/gforge/plugins/webcalendar/www/includes/functions.php
PHP | 4856 lines | 3734 code | 198 blank | 924 comment | 861 complexity | 2e66508705879474cd63b39f9a15e631 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, GPL-2.0
- <?php
- /**
- * All of WebCalendar's functions
- *
- * @author Craig Knudsen <cknudsen@cknudsen.com>
- * @copyright Craig Knudsen, <cknudsen@cknudsen.com>, http://www.k5n.us/cknudsen
- * @license http://www.gnu.org/licenses/gpl.html GNU GPL
- * @package WebCalendar
- */
- if ( empty ( $PHP_SELF ) && ! empty ( $_SERVER ) &&
- ! empty ( $_SERVER['PHP_SELF'] ) ) {
- $PHP_SELF = $_SERVER['PHP_SELF'];
- }
- if ( ! empty ( $PHP_SELF ) && preg_match ( "/\/includes\//", $PHP_SELF ) ) {
- die ( "You can't access this file directly!" );
- }
- /**#@+
- * Used for activity log
- * @global string
- */
- $LOG_CREATE = "C";
- $LOG_APPROVE = "A";
- $LOG_REJECT = "X";
- $LOG_UPDATE = "U";
- $LOG_DELETE = "D";
- $LOG_NOTIFICATION = "N";
- $LOG_REMINDER = "R";
- /**#@-*/
- /**
- * Number of seconds in a day
- *
- * @global int $ONE_DAY
- */
- $ONE_DAY = 86400;
- /**
- * Array containing the number of days in each month in a non-leap year
- *
- * @global array $days_per_month
- */
- $days_per_month = array ( 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 );
- /**
- * Array containing the number of days in each month in a leap year
- *
- * @global array $ldays_per_month
- */
- $ldays_per_month = array ( 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 );
- /**
- * Array of global variables which are not allowed to by set via HTTP GET/POST
- *
- * This is a security precaution to prevent users from overriding any global
- * variables
- *
- * @global array $noSet
- */
- $noSet = array (
- "is_admin" => 1,
- "db_type" => 1,
- "db_host" => 1,
- "db_login" => 1,
- "db_password" => 1,
- "db_persistent" => 1,
- "PROGRAM_NAME" => 1,
- "PROGRAM_URL" => 1,
- "readonly" => 1,
- "single_user" => 1,
- "single_user_login" => 1,
- "use_http_auth" => 1,
- "user_inc" => 1,
- "includedir" => 1,
- "NONUSER_PREFIX" => 1,
- "languages" => 1,
- "browser_languages" => 1,
- "pub_acc_enabled" => 1,
- "user_can_update_password" => 1,
- "admin_can_add_user" => 1,
- "admin_can_delete_user" => 1,
- );
- // This code is a temporary hack to make the application work when
- // register_globals is set to Off in php.ini (the default setting in
- // PHP 4.2.0 and after).
- if ( empty ( $HTTP_GET_VARS ) ) $HTTP_GET_VARS = $_GET;
- if ( ! empty ( $HTTP_GET_VARS ) ) {
- while (list($key, $val) = @each($HTTP_GET_VARS)) {
- // don't allow anything to have <script> in it...
- if ( ! is_array ( $val ) ) {
- if ( preg_match ( "/<\s*script/i", $val ) ) {
- echo "Security violation!"; exit;
- }
- }
- if ( $key == "login" ) {
- if ( strstr ( $PHP_SELF, "login.php" ) ) {
- //$GLOBALS[$key] = $val;
- $GLOBALS[$key] = $val;
- }
- } else {
- if ( empty ( $noSet[$key] ) ) {
- $GLOBALS[$key] = $val;
- //echo "XXX $key<br />\n";
- }
- }
- //echo "GET var '$key' = '$val' <br />\n";
- }
- reset ( $HTTP_GET_VARS );
- }
- if ( empty ( $HTTP_POST_VARS ) ) $HTTP_POST_VARS = $_POST;
- if ( ! empty ( $HTTP_POST_VARS ) ) {
- while (list($key, $val) = @each($HTTP_POST_VARS)) {
- // don't allow anything to have <script> in it... except 'template'
- if ( ! is_array ( $val ) && $key != 'template' ) {
- if ( preg_match ( "/<\s*script/i", $val ) ) {
- echo "Security violation!"; exit;
- }
- }
- if ( empty ( $noSet[$key] ) ) {
- $GLOBALS[$key] = $val;
- }
- }
- reset ( $HTTP_POST_VARS );
- }
- //while (list($key, $val) = @each($HTTP_POST_FILES)) {
- // $GLOBALS[$key] = $val;
- //}
- //while (list($key, $val) = @each($HTTP_SESSION_VARS)) {
- // $GLOBALS[$key] = $val;
- //}
- if ( empty ( $HTTP_COOKIE_VARS ) ) $HTTP_COOKIE_VARS = $_COOKIE;
- if ( ! empty ( $HTTP_COOKIE_VARS ) ) {
- while (list($key, $val) = @each($HTTP_COOKIE_VARS)) {
- if ( empty ( $noSet[$key] ) && substr($key,0,12) == "webcalendar_" ) {
- $GLOBALS[$key] = $val;
- }
- //echo "COOKIE var '$key' = '$val' <br />\n";
- }
- reset ( $HTTP_COOKIE_VARS );
- }
- // Don't allow a user to put "login=XXX" in the URL if they are not
- // coming from the login.php page.
- if ( empty ( $PHP_SELF ) && ! empty ( $_SERVER['PHP_SELF'] ) )
- $PHP_SELF = $_SERVER['PHP_SELF']; // backward compatibility
- if ( empty ( $PHP_SELF ) )
- $PHP_SELF = ''; // this happens when running send_reminders.php from CL
- if ( ! strstr ( $PHP_SELF, "login.php" ) && ! empty ( $GLOBALS["login"] ) ) {
- $GLOBALS["login"] = "";
- }
- // Define an array to use to jumble up the key: $offsets
- // We define a unique key to scramble the cookie we generate.
- // We use the admin install password that the user set to make
- // the salt unique for each WebCalendar install.
- if ( ! empty ( $settings ) && ! empty ( $settings['install_password'] ) ) {
- $salt = $settings['install_password'];
- } else {
- $salt = md5 ( $db_login );
- }
- $salt_len = strlen ( $salt );
- if ( ! empty ( $db_password ) ) {
- $salt2 = md5 ( $db_password );
- } else {
- $salt2 = md5 ( "oogabooga" );
- }
- $salt2_len = strlen ( $salt2 );
- $offsets = array ();
- for ( $i = 0; $i < $salt_len || $i < $salt2_len; $i++ ) {
- $offsets[$i] = 0;
- if ( $i < $salt_len )
- $offsets[$i] += ord ( substr ( $salt, $i, 1 ) );
- if ( $i < $salt2_len )
- $offsets[$i] += ord ( substr ( $salt2, $i, 1 ) );
- $offsets[$i] %= 128;
- }
- /* debugging code...
- for ( $i = 0; $i < count ( $offsets ); $i++ ) {
- echo "offset $i: $offsets[$i] <br />\n";
- }
- */
- /*
- * Functions start here. All non-function code should be above this
- *
- * Note to developers:
- * Documentation is generated from the function comments below.
- * When adding/updating functions, please follow the following conventions
- * seen below. Your cooperation in this matter is appreciated :-)
- *
- * If you want your documentation to link to the db documentation,
- * just make sure you mention the db table name followed by "table"
- * on the same line. Here's an example:
- * Retrieve preferences from the webcal_user_pref table.
- *
- */
- /**
- * Gets the value resulting from an HTTP POST method.
- *
- * <b>Note:</b> The return value will be affected by the value of
- * <var>magic_quotes_gpc</var> in the php.ini file.
- *
- * @param string $name Name used in the HTML form
- *
- * @return string The value used in the HTML form
- *
- * @see getGetValue
- */
- function getPostValue ( $name ) {
- global $HTTP_POST_VARS;
- if ( isset ( $_POST ) && is_array ( $_POST ) && ! empty ( $_POST[$name] ) ) {
- $HTTP_POST_VARS[$name] = $_POST[$name];
- return $_POST[$name];
- } else if ( ! isset ( $HTTP_POST_VARS ) ) {
- return null;
- } else if ( ! isset ( $HTTP_POST_VARS[$name] ) ) {
- return null;
- }
- return ( $HTTP_POST_VARS[$name] );
- }
- /**
- * Gets the value resulting from an HTTP GET method.
- *
- * <b>Note:</b> The return value will be affected by the value of
- * <var>magic_quotes_gpc</var> in the php.ini file.
- *
- * If you need to enforce a specific input format (such as numeric input), then
- * use the {@link getValue()} function.
- *
- * @param string $name Name used in the HTML form or found in the URL
- *
- * @return string The value used in the HTML form (or URL)
- *
- * @see getPostValue
- */
- function getGetValue ( $name ) {
- global $HTTP_GET_VARS;
- if ( isset ( $_GET ) && is_array ( $_GET ) && ! empty ( $_GET[$name] ) ) {
- $HTTP_GET_VARS[$name] = $_GET[$name];
- return $_GET[$name];
- } else if ( ! isset ( $HTTP_GET_VARS ) ) {
- return null;
- } else if ( ! isset ( $HTTP_GET_VARS[$name] ) ) {
- return null;
- }
- return ( $HTTP_GET_VARS[$name] );
- }
- /**
- * Gets the value resulting from either HTTP GET method or HTTP POST method.
- *
- * <b>Note:</b> The return value will be affected by the value of
- * <var>magic_quotes_gpc</var> in the php.ini file.
- *
- * <b>Note:</b> If you need to get an integer value, yuou can use the
- * getIntValue function.
- *
- * @param string $name Name used in the HTML form or found in the URL
- * @param string $format A regular expression format that the input must match.
- * If the input does not match, an empty string is
- * returned and a warning is sent to the browser. If The
- * <var>$fatal</var> parameter is true, then execution
- * will also stop when the input does not match the
- * format.
- * @param bool $fatal Is it considered a fatal error requiring execution to
- * stop if the value retrieved does not match the format
- * regular expression?
- *
- * @return string The value used in the HTML form (or URL)
- *
- * @uses getGetValue
- * @uses getPostValue
- */
- function getValue ( $name, $format="", $fatal=false ) {
- $val = getPostValue ( $name );
- if ( ! isset ( $val ) )
- $val = getGetValue ( $name );
- // for older PHP versions...
- if ( ! isset ( $val ) && get_magic_quotes_gpc () == 1 &&
- ! empty ( $GLOBALS[$name] ) )
- $val = $GLOBALS[$name];
- if ( ! isset ( $val ) )
- return "";
- if ( ! empty ( $format ) && ! preg_match ( "/^" . $format . "$/", $val ) ) {
- // does not match
- if ( $fatal ) {
- die_miserable_death ( "Fatal Error: Invalid data format for $name" );
- }
- // ignore value
- return "";
- }
- return $val;
- }
- /**
- * Gets an integer value resulting from an HTTP GET or HTTP POST method.
- *
- * <b>Note:</b> The return value will be affected by the value of
- * <var>magic_quotes_gpc</var> in the php.ini file.
- *
- * @param string $name Name used in the HTML form or found in the URL
- * @param bool $fatal Is it considered a fatal error requiring execution to
- * stop if the value retrieved does not match the format
- * regular expression?
- *
- * @return string The value used in the HTML form (or URL)
- *
- * @uses getValue
- */
- function getIntValue ( $name, $fatal=false ) {
- $val = getValue ( $name, "-?[0-9]+", $fatal );
- return $val;
- }
- /**
- * Loads default system settings (which can be updated via admin.php).
- *
- * System settings are stored in the webcal_config table.
- *
- * <b>Note:</b> If the setting for <var>server_url</var> is not set, the value
- * will be calculated and stored in the database.
- *
- * @global string User's login name
- * @global bool Readonly
- * @global string HTTP hostname
- * @global int Server's port number
- * @global string Request string
- * @global array Server variables
- */
- function load_global_settings () {
- global $login, $readonly, $HTTP_HOST, $SERVER_PORT, $REQUEST_URI, $_SERVER;
- // Note: when running from the command line (send_reminders.php),
- // these variables are (obviously) not set.
- // TODO: This type of checking should be moved to a central locationm
- // like init.php.
- if ( isset ( $_SERVER ) && is_array ( $_SERVER ) ) {
- if ( empty ( $HTTP_HOST ) && isset ( $_SERVER["HTTP_POST"] ) )
- $HTTP_HOST = $_SERVER["HTTP_HOST"];
- if ( empty ( $SERVER_PORT ) && isset ( $_SERVER["SERVER_PORT"] ) )
- $SERVER_PORT = $_SERVER["SERVER_PORT"];
- if ( empty ( $REQUEST_URI ) && isset ( $_SERVER["REQUEST_URI"] ) )
- $REQUEST_URI = $_SERVER["REQUEST_URI"];
- }
- $res = dbi_query ( "SELECT cal_setting, cal_value FROM webcal_config" );
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- $setting = $row[0];
- $value = $row[1];
- //echo "Setting '$setting' to '$value' <br />\n";
- $GLOBALS[$setting] = $value;
- }
- dbi_free_result ( $res );
- }
- // If app name not set.... default to "Title". This gets translated
- // later since this function is typically called before translate.php
- // is included.
- // Note: We usually use translate($application_name) instead of
- // translate("Title").
- if ( empty ( $GLOBALS["application_name"] ) )
- $GLOBALS["application_name"] = "Title";
- // If $server_url not set, then calculate one for them, then store it
- // in the database.
- if ( empty ( $GLOBALS["server_url"] ) ) {
- if ( ! empty ( $HTTP_HOST ) && ! empty ( $REQUEST_URI ) ) {
- $ptr = strrpos ( $REQUEST_URI, "/" );
- if ( $ptr > 0 ) {
- $uri = substr ( $REQUEST_URI, 0, $ptr + 1 );
- $server_url = "http://" . $HTTP_HOST;
- if ( ! empty ( $SERVER_PORT ) && $SERVER_PORT != 80 )
- $server_url .= ":" . $SERVER_PORT;
- $server_url .= $uri;
- dbi_query ( "INSERT INTO webcal_config ( cal_setting, cal_value ) ".
- "VALUES ( 'server_url', '$server_url' )" );
- $GLOBALS["server_url"] = $server_url;
- }
- }
- }
- // If no font settings, then set some
- if ( empty ( $GLOBALS["FONTS"] ) ) {
- if ( $GLOBALS["LANGUAGE"] == "Japanese" )
- $GLOBALS["FONTS"] = "Osaka, Arial, Helvetica, sans-serif";
- else
- $GLOBALS["FONTS"] = "Arial, Helvetica, sans-serif";
- }
- }
- /**
- * Gets the list of active plugins.
- *
- * Should be called after {@link load_global_settings()} and {@link load_user_preferences()}.
- *
- * @internal cek: ignored since I am not sure this will ever be used...
- *
- * @return array Active plugins
- *
- * @ignore
- */
- function get_plugin_list ( $include_disabled=false ) {
- // first get list of available plugins
- $sql = "SELECT cal_setting FROM webcal_config " .
- "WHERE cal_setting LIKE '%.plugin_status'";
- if ( ! $include_disabled )
- $sql .= " AND cal_value = 'Y'";
- $sql .= " ORDER BY cal_setting";
- $res = dbi_query ( $sql );
- $plugins = array ();
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- $e = explode ( ".", $row[0] );
- if ( $e[0] != "" ) {
- $plugins[] = $e[0];
- }
- }
- dbi_free_result ( $res );
- } else {
- echo translate("Database error") . ": " . dbi_error (); exit;
- }
- if ( count ( $plugins ) == 0 ) {
- $plugins[] = "webcalendar";
- }
- return $plugins;
- }
- /**
- * Get plugins available to the current user.
- *
- * Do this by getting a list of all plugins that are not disabled by the
- * administrator and make sure this user has not disabled any of them.
- *
- * It's done this was so that when an admin adds a new plugin, it shows up on
- * each users system automatically (until they disable it).
- *
- * @return array Plugins available to current user
- *
- * @ignore
- */
- function get_user_plugin_list () {
- $ret = array ();
- $all_plugins = get_plugin_list ();
- for ( $i = 0; $i < count ( $all_plugins ); $i++ ) {
- if ( $GLOBALS[$all_plugins[$i] . ".disabled"] != "N" )
- $ret[] = $all_plugins[$i];
- }
- return $ret;
- }
- /**
- * Identify user's browser.
- *
- * Returned value will be one of:
- * - "Mozilla/5" = Mozilla (open source Mozilla 5.0)
- * - "Mozilla/[3,4]" = Netscape (3.X, 4.X)
- * - "MSIE 4" = MSIE (4.X)
- *
- * @return string String identifying browser
- *
- * @ignore
- */
- function get_web_browser () {
- if ( ereg ( "MSIE [0-9]", getenv ( "HTTP_USER_AGENT" ) ) )
- return "MSIE";
- if ( ereg ( "Mozilla/[234]", getenv ( "HTTP_USER_AGENT" ) ) )
- return "Netscape";
- if ( ereg ( "Mozilla/[5678]", getenv ( "HTTP_USER_AGENT" ) ) )
- return "Mozilla";
- return "Unknown";
- }
- /**
- * Logs a debug message.
- *
- * Generally, we do not leave calls to this function in the code. It is used
- * for debugging only.
- *
- * @param string $msg Text to be logged
- */
- function do_debug ( $msg ) {
- // log to /tmp/webcal-debug.log
- //error_log ( date ( "Y-m-d H:i:s" ) . "> $msg\n",
- // 3, "/tmp/webcal-debug.log" );
- //error_log ( date ( "Y-m-d H:i:s" ) . "> $msg\n",
- // 2, "sockieman:2000" );
- }
- /**
- * Gets user's preferred view.
- *
- * The user's preferred view is stored in the $STARTVIEW global variable. This
- * is loaded from the user preferences (or system settings if there are no user
- * prefererences.)
- *
- * @param string $indate Date to pass to preferred view in YYYYMMDD format
- * @param string $args Arguments to include in the URL (such as "user=joe")
- *
- * @return string URL of the user's preferred view
- */
- function get_preferred_view ( $indate="", $args="" ) {
- global $STARTVIEW, $thisdate;
- $url = empty ( $STARTVIEW ) ? "month.php" : $STARTVIEW;
- // We used to just store "month" in $STARTVIEW without the ".php"
- // This is just to prevent users from getting a "404 not found" if
- // they have not updated their preferences.
- if ( $url == "month" || $url == "day" || $url == "week" || $url == "year" )
- $url .= ".php";
- $url = str_replace ( '&', '&', $url );
- $url = str_replace ( '&', '&', $url );
- $xdate = empty ( $indate ) ? $thisdate : $indate;
- if ( ! empty ( $xdate ) ) {
- if ( strstr ( $url, "?" ) )
- $url .= '&' . "date=$xdate";
- else
- $url .= '?' . "date=$xdate";
- }
- if ( ! empty ( $args ) ) {
- if ( strstr ( $url, "?" ) )
- $url .= '&' . $args;
- else
- $url .= '?' . $args;
- }
- return $url;
- }
- /**
- * Sends a redirect to the user's preferred view.
- *
- * The user's preferred view is stored in the $STARTVIEW global variable. This
- * is loaded from the user preferences (or system settings if there are no user
- * prefererences.)
- *
- * @param string $indate Date to pass to preferred view in YYYYMMDD format
- * @param string $args Arguments to include in the URL (such as "user=joe")
- */
- function send_to_preferred_view ( $indate="", $args="" ) {
- $url = get_preferred_view ( $indate, $args );
- do_redirect ( $url );
- }
- /** Sends a redirect to the specified page.
- *
- * The database connection is closed and execution terminates in this function.
- *
- * <b>Note:</b> MS IIS/PWS has a bug in which it does not allow us to send a
- * cookie and a redirect in the same HTTP header. When we detect that the web
- * server is IIS, we accomplish the redirect using meta-refresh. See the
- * following for more info on the IIS bug:
- *
- * {@link http://www.faqts.com/knowledge_base/view.phtml/aid/9316/fid/4}
- *
- * @param string $url The page to redirect to. In theory, this should be an
- * absolute URL, but all browsers accept relative URLs (like
- * "month.php").
- *
- * @global string Type of webserver
- * @global array Server variables
- * @global resource Database connection
- */
- function do_redirect ( $url ) {
- global $SERVER_SOFTWARE, $_SERVER, $c;
- // Replace any '&' with '&' since we don't want that in the HTTP
- // header.
- $url = str_replace ( '&', '&', $url );
- if ( empty ( $SERVER_SOFTWARE ) )
- $SERVER_SOFTWARE = $_SERVER["SERVER_SOFTWARE"];
- //echo "SERVER_SOFTWARE = $SERVER_SOFTWARE <br />\n"; exit;
- if ( ( substr ( $SERVER_SOFTWARE, 0, 5 ) == "Micro" ) ||
- ( substr ( $SERVER_SOFTWARE, 0, 3 ) == "WN/" ) ) {
- echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<!DOCTYPE html
- PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"
- \"DTD/xhtml1-transitional.dtd\">
- <html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">
- <head>\n<title>Redirect</title>\n" .
- "<meta http-equiv=\"refresh\" content=\"0; url=$url\" />\n</head>\n<body>\n" .
- "Redirecting to.. <a href=\"" . $url . "\">here</a>.</body>\n</html>";
- } else {
- Header ( "Location: $url" );
- //print "<javascript>window.location.href='index.php';</script>" ;
- echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<!DOCTYPE html
- PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"
- \"DTD/xhtml1-transitional.dtd\">
- <html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">
- <head>\n<title>Redirect</title>\n</head>\n<body>\n" .
- "Redirecting to aa... <a href=\"" . $url . "\">here</a>.</body>\n</html>";
- }
- dbi_close ( $c );
- exit;
- }
- /**
- * Sends an HTTP login request to the browser and stops execution.
- */
- function send_http_login () {
- global $lang_file, $application_name;
- if ( strlen ( $lang_file ) ) {
- Header ( "WWW-Authenticate: Basic realm=\"" . translate("Title") . "\"");
- Header ( "HTTP/1.0 401 Unauthorized" );
- echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<!DOCTYPE html
- PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"
- \"DTD/xhtml1-transitional.dtd\">
- <html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">
- <head>\n<title>Unauthorized</title>\n</head>\n<body>\n" .
- "<h2>" . translate("Title") . "</h2>\n" .
- translate("You are not authorized") .
- "\n</body>\n</html>";
- } else {
- Header ( "WWW-Authenticate: Basic realm=\"WebCalendar\"");
- Header ( "HTTP/1.0 401 Unauthorized" );
- echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<!DOCTYPE html
- PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"
- \"DTD/xhtml1-transitional.dtd\">
- <html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">
- <head>\n<title>Unauthorized</title>\n</head>\n<body>\n" .
- "<h2>WebCalendar</h2>\n" .
- "You are not authorized" .
- "\n</body>\n</html>";
- }
- exit;
- }
- /**
- * Generates a cookie that saves the last calendar view.
- *
- * Cookie is based on the current <var>$REQUEST_URI</var>.
- *
- * We save this cookie so we can return to this same page after a user
- * edits/deletes/etc an event.
- *
- * @global string Request string
- */
- function remember_this_view () {
- global $REQUEST_URI;
- if ( empty ( $REQUEST_URI ) )
- $REQUEST_URI = $_SERVER["REQUEST_URI"];
- // do not use anything with friendly in the URI
- if ( strstr ( $REQUEST_URI, "friendly=" ) )
- return;
- SetCookie ( "webcalendar_last_view", $REQUEST_URI );
- }
- /**
- * Gets the last page stored using {@link remember_this_view()}.
- *
- * @return string The URL of the last view or an empty string if it cannot be
- * determined.
- *
- * @global array Cookies
- */
- function get_last_view () {
- global $HTTP_COOKIE_VARS;
- $val = '';
- if ( isset ( $_COOKIE["webcalendar_last_view"] ) ) {
- $HTTP_COOKIE_VARS["webcalendar_last_view"] = $_COOKIE["webcalendar_last_view"];
- $val = $_COOKIE["webcalendar_last_view"];
- } else if ( isset ( $HTTP_COOKIE_VARS["webcalendar_last_view"] ) ) {
- $val = $HTTP_COOKIE_VARS["webcalendar_last_view"];
- }
- $val = str_replace ( "&", "&", $val );
- return $val;
- }
- /**
- * Sends HTTP headers that tell the browser not to cache this page.
- *
- * Different browser use different mechanisms for this, so a series of HTTP
- * header directives are sent.
- *
- * <b>Note:</b> This function needs to be called before any HTML output is sent
- * to the browser.
- */
- function send_no_cache_header () {
- header ( "Expires: Mon, 26 Jul 1997 05:00:00 GMT" );
- header ( "Last-Modified: " . gmdate ( "D, d M Y H:i:s" ) . " GMT" );
- header ( "Cache-Control: no-store, no-cache, must-revalidate" );
- header ( "Cache-Control: post-check=0, pre-check=0", false );
- header ( "Pragma: no-cache" );
- }
- /**
- * Loads the current user's preferences as global variables from the webcal_user_pref table.
- *
- * Also loads the list of views for this user (not really a preference, but
- * this is a convenient place to put this...)
- *
- * <b>Notes:</b>
- * - If <var>$allow_color_customization</var> is set to 'N', then we ignore any
- * color preferences.
- * - Other default values will also be set if the user has not saved a
- * preference and no global value has been set by the administrator in the
- * system settings.
- */
- function load_user_preferences () {
- global $login, $browser, $views, $prefarray, $is_assistant,
- $has_boss, $user, $is_nonuser_admin, $allow_color_customization;
- $lang_found = false;
- $colors = array (
- "BGCOLOR" => 1,
- "H2COLOR" => 1,
- "THBG" => 1,
- "THFG" => 1,
- "CELLBG" => 1,
- "TODAYCELLBG" => 1,
- "WEEKENDBG" => 1,
- "POPUP_BG" => 1,
- "POPUP_FG" => 1,
- );
- $browser = get_web_browser ();
- $browser_lang = get_browser_language ();
- $prefarray = array ();
- // Note: default values are set in config.php
- $res = dbi_query (
- "SELECT cal_setting, cal_value FROM webcal_user_pref " .
- "WHERE cal_login = '$login'" );
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- $setting = $row[0];
- $value = $row[1];
- if ( $allow_color_customization == 'N' ) {
- if ( isset ( $colors[$setting] ) )
- continue;
- }
- $sys_setting = "sys_" . $setting;
- // save system defaults
- if ( ! empty ( $GLOBALS[$setting] ) )
- $GLOBALS["sys_" . $setting] = $GLOBALS[$setting];
- $GLOBALS[$setting] = $value;
- $prefarray[$setting] = $value;
- if ( $setting == "LANGUAGE" )
- $lang_found = true;
- }
- dbi_free_result ( $res );
- }
- // get views for this user and global views
- $res = dbi_query (
- "SELECT cal_view_id, cal_name, cal_view_type, cal_is_global " .
- "FROM webcal_view " .
- "WHERE cal_owner = '$login' OR cal_is_global = 'Y' " .
- "ORDER BY cal_name" );
- if ( $res ) {
- $views = array ();
- while ( $row = dbi_fetch_row ( $res ) ) {
- if ( $row[2] == 'S' )
- $url = "view_t.php?timeb=1&id=$row[0]";
- else if ( $row[2] == 'T' )
- $url = "view_t.php?timeb=0&id=$row[0]";
- else
- $url = "view_" . strtolower ( $row[2] ) . ".php?id=$row[0]";
- $v = array (
- "cal_view_id" => $row[0],
- "cal_name" => $row[1],
- "cal_view_type" => $row[2],
- "cal_is_global" => $row[3],
- "url" => $url
- );
- $views[] = $v;
- }
- dbi_free_result ( $res );
- }
- // If user has not set a language preference, then use their browser
- // settings to figure it out, and save it in the database for future
- // use (email reminders).
- if ( ! $lang_found && strlen ( $login ) && $login != "__public__" ) {
- $LANGUAGE = $browser_lang;
- dbi_query ( "INSERT INTO webcal_user_pref " .
- "( cal_login, cal_setting, cal_value ) VALUES " .
- "( '$login', 'LANGUAGE', '$LANGUAGE' )" );
- }
- if ( empty ( $GLOBALS["DATE_FORMAT_MY"] ) )
- $GLOBALS["DATE_FORMAT_MY"] = "__month__ __yyyy__";
- if ( empty ( $GLOBALS["DATE_FORMAT_MD"] ) )
- $GLOBALS["DATE_FORMAT_MD"] = "__month__ __dd__";
- $is_assistant = empty ( $user ) ? false :
- user_is_assistant ( $login, $user );
- $has_boss = user_has_boss ( $login );
- $is_nonuser_admin = ($user) ? user_is_nonuser_admin ( $login, $user ) : false;
- if ( $is_nonuser_admin ) load_nonuser_preferences ($user);
- }
- /**
- * Gets the list of external users for an event from the webcal_entry_ext_user table in an HTML format.
- *
- * @param int $event_id Event ID
- * @param int $use_mailto When set to 1, email address will contain an href
- * link with a mailto URL.
- *
- * @return string The list of external users for an event formatte in HTML.
- */
- function event_get_external_users ( $event_id, $use_mailto=0 ) {
- global $error;
- $ret = "";
- $res = dbi_query ( "SELECT cal_fullname, cal_email " .
- "FROM webcal_entry_ext_user " .
- "WHERE cal_id = $event_id " .
- "ORDER by cal_fullname" );
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- if ( strlen ( $ret ) )
- $ret .= "\n";
- // Remove [\d] if duplicate name
- $trow = trim( preg_replace( '/\[[\d]]/' , "", $row[0] ) );
- $ret .= $trow;
- if ( strlen ( $row[1] ) ) {
- if ( $use_mailto ) {
- $ret .= " <a href=\"mailto:$row[1]\"><" .
- htmlentities ( $row[1] ) . "></a>";
- } else {
- $ret .= " <". htmlentities ( $row[1] ) . ">";
- }
- }
- }
- dbi_free_result ( $res );
- } else {
- echo translate("Database error") .": " . dbi_error ();
- echo "<br />\nSQL:<br />\n$sql";
- exit;
- }
- return $ret;
- }
- /**
- * Adds something to the activity log for an event.
- *
- * The information will be saved to the webcal_entry_log table.
- *
- * @param int $event_id Event ID
- * @param string $user Username of user doing this
- * @param string $user_cal Username of user whose calendar is affected
- * @param string $type Type of activity we are logging:
- * - $LOG_CREATE
- * - $LOG_APPROVE
- * - $LOG_REJECT
- * - $LOG_UPDATE
- * - $LOG_DELETE
- * - $LOG_NOTIFICATION
- * - $LOG_REMINDER
- * @param string $text Text comment to add with activity log entry
- */
- function activity_log ( $event_id, $user, $user_cal, $type, $text ) {
- $next_id = 1;
- if ( empty ( $type ) ) {
- echo "Error: type not set for activity log!";
- // but don't exit since we may be in mid-transaction
- return;
- }
- $res = dbi_query ( "SELECT MAX(cal_log_id) FROM webcal_entry_log" );
- if ( $res ) {
- if ( $row = dbi_fetch_row ( $res ) ) {
- $next_id = $row[0] + 1;
- }
- dbi_free_result ( $res );
- }
- $date = date ( "Ymd" );
- $time = date ( "Gis" );
- $sql_text = empty ( $text ) ? "NULL" : "'$text'";
- $sql_user_cal = empty ( $user_cal ) ? "NULL" : "'$user_cal'";
- $sql = "INSERT INTO webcal_entry_log ( " .
- "cal_log_id, cal_entry_id, cal_login, cal_user_cal, cal_type, " .
- "cal_date, cal_time, cal_text ) VALUES ( $next_id, $event_id, " .
- "'$user', $sql_user_cal, '$type', $date, $time, $sql_text )";
- if ( ! dbi_query ( $sql ) ) {
- echo "Database error: " . dbi_error ();
- echo "<br />\nSQL:<br />\n$sql";
- exit;
- }
- }
- /**
- * Gets a list of users.
- *
- * If groups are enabled, this will restrict the list of users to only those
- * users who are in the same group(s) as the user (unless the user is an admin
- * user). We allow admin users to see all users because they can also edit
- * someone else's events (so they may need access to users who are not in the
- * same groups that they are in).
- *
- * @return array Array of users, where each element in the array is an array
- * with the following keys:
- * - cal_login
- * - cal_lastname
- * - cal_firstname
- * - cal_is_admin
- * - cal_is_admin
- * - cal_email
- * - cal_password
- * - cal_fullname
- */
- function get_my_users () {
- global $login, $is_admin, $groups_enabled, $user_sees_only_his_groups;
- if ( $groups_enabled == "Y" && $user_sees_only_his_groups == "Y" &&
- ! $is_admin ) {
- // get groups that current user is in
- $res = dbi_query ( "SELECT cal_group_id FROM webcal_group_user " .
- "WHERE cal_login = '$login'" );
- $groups = array ();
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- $groups[] = $row[0];
- }
- dbi_fetch_row ( $res );
- }
- $u = user_get_users ();
- $u_byname = array ();
- for ( $i = 0; $i < count ( $u ); $i++ ) {
- $name = $u[$i]['cal_login'];
- $u_byname[$name] = $u[$i];
- }
- $ret = array ();
- if ( count ( $groups ) == 0 ) {
- // Eek. User is in no groups... Return only themselves
- $ret[] = $u_byname[$login];
- return $ret;
- }
- // get list of users in the same groups as current user
- $sql = "SELECT DISTINCT(webcal_group_user.cal_login), cal_lastname, cal_firstname from webcal_group_user " .
- "LEFT JOIN webcal_user ON webcal_group_user.cal_login = webcal_user.cal_login " .
- "WHERE cal_group_id ";
- if ( count ( $groups ) == 1 )
- $sql .= "= " . $groups[0];
- else {
- $sql .= "IN ( " . implode ( ", ", $groups ) . " )";
- }
- $sql .= " ORDER BY cal_lastname, cal_firstname, webcal_group_user.cal_login";
- //echo "SQL: $sql <br />\n";
- $res = dbi_query ( $sql );
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- $ret[] = $u_byname[$row[0]];
- }
- dbi_free_result ( $res );
- }
- return $ret;
- } else {
- // groups not enabled... return all users
- //echo "No groups. ";
- return user_get_users ();
- }
- }
- /**
- * Gets a preference setting for the specified user.
- *
- * If no value is found in the database, then the system default setting will
- * be returned.
- *
- * @param string $user User login we are getting preference for
- * @param string $setting Name of the setting
- *
- * @return string The value found in the webcal_user_pref table for the
- * specified setting or the sytem default if no user settings
- * was found.
- */
- function get_pref_setting ( $user, $setting ) {
- $ret = '';
- // set default
- if ( ! isset ( $GLOBALS["sys_" .$setting] ) ) {
- // this could happen if the current user has not saved any pref. yet
- if ( ! empty ( $GLOBALS[$setting] ) )
- $ret = $GLOBALS[$setting];
- } else {
- $ret = $GLOBALS["sys_" .$setting];
- }
- $sql = "SELECT cal_value FROM webcal_user_pref " .
- "WHERE cal_login = '" . $user . "' AND " .
- "cal_setting = '" . $setting . "'";
- //echo "SQL: $sql <br />\n";
- $res = dbi_query ( $sql );
- if ( $res ) {
- if ( $row = dbi_fetch_row ( $res ) )
- $ret = $row[0];
- dbi_free_result ( $res );
- }
- return $ret;
- }
- /**
- * Gets browser-specified language preference.
- *
- * @return string Preferred language
- *
- * @ignore
- */
- function get_browser_language () {
- global $HTTP_ACCEPT_LANGUAGE, $browser_languages;
- $ret = "";
- if ( empty ( $HTTP_ACCEPT_LANGUAGE ) &&
- isset ( $_SERVER["HTTP_ACCEPT_LANGUAGE"] ) )
- $HTTP_ACCEPT_LANGUAGE = $_SERVER["HTTP_ACCEPT_LANGUAGE"];
- if ( empty ( $HTTP_ACCEPT_LANGUAGE ) ) {
- return "none";
- } else {
- $langs = explode ( ",", $HTTP_ACCEPT_LANGUAGE );
- for ( $i = 0; $i < count ( $langs ); $i++ ) {
- $l = strtolower ( trim ( ereg_replace(';.*', '', $langs[$i] ) ) );
- $ret .= "\"$l\" ";
- if ( ! empty ( $browser_languages[$l] ) ) {
- return $browser_languages[$l];
- }
- }
- }
- //if ( strlen ( $HTTP_ACCEPT_LANGUAGE ) )
- // return "none ($HTTP_ACCEPT_LANGUAGE not supported)";
- //else
- return "none";
- }
- /**
- * Loads current user's layer info into layer global variable.
- *
- * If the system setting <var>$allow_view_other</var> is not set to 'Y', then
- * we ignore all layer functionality. If <var>$force</var> is 0, we only load
- * layers if the current user preferences have layers turned on.
- *
- * @param string $user Username of user to load layers for
- * @param int $force If set to 1, then load layers for this user even if
- * user preferences have layers turned off.
- */
- function load_user_layers ($user="",$force=0) {
- global $login;
- global $layers;
- global $LAYERS_STATUS, $allow_view_other;
- if ( $user == "" )
- $user = $login;
- $layers = array ();
- if ( empty ( $allow_view_other ) || $allow_view_other != 'Y' )
- return; // not allowed to view others' calendars, so cannot use layers
- if ( $force || ( ! empty ( $LAYERS_STATUS ) && $LAYERS_STATUS != "N" ) ) {
- $res = dbi_query (
- "SELECT cal_layerid, cal_layeruser, cal_color, cal_dups " .
- "FROM webcal_user_layers " .
- "WHERE cal_login = '$user' ORDER BY cal_layerid" );
- if ( $res ) {
- $count = 1;
- while ( $row = dbi_fetch_row ( $res ) ) {
- $layers[$row[0]] = array (
- "cal_layerid" => $row[0],
- "cal_layeruser" => $row[1],
- "cal_color" => $row[2],
- "cal_dups" => $row[3]
- );
- $count++;
- }
- dbi_free_result ( $res );
- }
- } else {
- //echo "Not loading!";
- }
- }
- /**
- * Generates the HTML used in an event popup for the site_extras fields of an event.
- *
- * @param int $id Event ID
- *
- * @return string The HTML to be used within the event popup for any site_extra
- * fields found for the specified event
- */
- function site_extras_for_popup ( $id ) {
- global $site_extras_in_popup, $site_extras;
- // These are needed in case the site_extras.php file was already
- // included.
- global $EXTRA_TEXT, $EXTRA_MULTILINETEXT, $EXTRA_URL, $EXTRA_DATE,
- $EXTRA_EMAIL, $EXTRA_USER, $EXTRA_REMINDER, $EXTRA_SELECTLIST;
- global $EXTRA_REMINDER_WITH_DATE, $EXTRA_REMINDER_WITH_OFFSET,
- $EXTRA_REMINDER_DEFAULT_YES;
- $ret = '';
- if ( $site_extras_in_popup != 'Y' )
- return '';
- include_once 'includes/site_extras.php';
- $extras = get_site_extra_fields ( $id );
- for ( $i = 0; $i < count ( $site_extras ); $i++ ) {
- $extra_name = $site_extras[$i][0];
- $extra_type = $site_extras[$i][2];
- $extra_arg1 = $site_extras[$i][3];
- $extra_arg2 = $site_extras[$i][4];
- if ( ! empty ( $extras[$extra_name]['cal_name'] ) ) {
- $ret .= "<dt>" . translate ( $site_extras[$i][1] ) . ":</dt>\n<dd>";
- if ( $extra_type == $EXTRA_DATE ) {
- if ( $extras[$extra_name]['cal_date'] > 0 )
- $ret .= date_to_str ( $extras[$extra_name]['cal_date'] );
- } else if ( $extra_type == $EXTRA_TEXT ||
- $extra_type == $EXTRA_MULTILINETEXT ) {
- $ret .= nl2br ( $extras[$extra_name]['cal_data'] );
- } else if ( $extra_type == $EXTRA_REMINDER ) {
- if ( $extras[$extra_name]['cal_remind'] <= 0 )
- $ret .= translate ( "No" );
- else {
- $ret .= translate ( "Yes" );
- if ( ( $extra_arg2 & $EXTRA_REMINDER_WITH_DATE ) > 0 ) {
- $ret .= " - ";
- $ret .= date_to_str ( $extras[$extra_name]['cal_date'] );
- } else if ( ( $extra_arg2 & $EXTRA_REMINDER_WITH_OFFSET ) > 0 ) {
- $ret .= " - ";
- $minutes = $extras[$extra_name]['cal_data'];
- $d = (int) ( $minutes / ( 24 * 60 ) );
- $minutes -= ( $d * 24 * 60 );
- $h = (int) ( $minutes / 60 );
- $minutes -= ( $h * 60 );
- if ( $d > 0 )
- $ret .= $d . " " . translate("days") . " ";
- if ( $h > 0 )
- $ret .= $h . " " . translate("hours") . " ";
- if ( $minutes > 0 )
- $ret .= $minutes . " " . translate("minutes");
- $ret .= " " . translate("before event" );
- }
- }
- } else {
- $ret .= $extras[$extra_name]['cal_data'];
- }
- $ret .= "</dd>\n";
- }
- }
- return $ret;
- }
- /**
- * Builds the HTML for the event popup.
- *
- * @param string $popupid CSS id to use for event popup
- * @param string $user Username of user the event pertains to
- * @param string $description Event description
- * @param string $time Time of the event (already formatted in a display format)
- * @param string $site_extras HTML for any site_extras for this event
- *
- * @return string The HTML for the event popup
- */
- function build_event_popup ( $popupid, $user, $description, $time, $site_extras='' ) {
- global $login, $popup_fullnames, $popuptemp_fullname;
- $ret = "<dl id=\"$popupid\" class=\"popup\">\n";
- if ( empty ( $popup_fullnames ) )
- $popup_fullnames = array ();
-
- if ( $user != $login ) {
- if ( empty ( $popup_fullnames[$user] ) ) {
- user_load_variables ( $user, "popuptemp_" );
- $popup_fullnames[$user] = $popuptemp_fullname;
- }
- $ret .= "<dt>" . translate ("User") .
- ":</dt>\n<dd>$popup_fullnames[$user]</dd>\n";
- }
- if ( strlen ( $time ) )
- $ret .= "<dt>" . translate ("Time") . ":</dt>\n<dd>$time</dd>\n";
- $ret .= "<dt>" . translate ("Description") . ":</dt>\n<dd>";
- if ( ! empty ( $GLOBALS['allow_html_description'] ) &&
- $GLOBALS['allow_html_description'] == 'Y' ) {
- $str = str_replace ( "&", "&", $description );
- $str = str_replace ( "&amp;", "&", $str );
- // If there is no html found, then go ahead and replace
- // the line breaks ("\n") with the html break.
- if ( strstr ( $str, "<" ) && strstr ( $str, ">" ) ) {
- // found some html...
- $ret .= $str;
- } else {
- // no html, replace line breaks
- $ret .= nl2br ( $str );
- }
- } else {
- // html not allowed in description, escape everything
- $ret .= nl2br ( htmlspecialchars ( $description ) );
- }
- $ret .= "</dd>\n";
- if ( ! empty ( $site_extras ) )
- $ret .= $site_extras;
- $ret .= "</dl>\n";
- return $ret;
- }
- /**
- * Prints out a date selection box for use in a form.
- *
- * @param string $prefix Prefix to use in front of form element names
- * @param int $date Currently selected date (in YYYYMMDD format)
- *
- * @uses date_selection_html
- */
- function print_date_selection ( $prefix, $date ) {
- print date_selection_html ( $prefix, $date );
- }
- /**
- * Generate HTML for a date selection for use in a form.
- *
- * @param string $prefix Prefix to use in front of form element names
- * @param int $date Currently selected date (in YYYYMMDD format)
- *
- * @return string HTML for the selection box
- */
- function date_selection_html ( $prefix, $date ) {
- $ret = "";
- $num_years = 20;
- if ( strlen ( $date ) != 8 )
- $date = date ( "Ymd" );
- $thisyear = $year = substr ( $date, 0, 4 );
- $thismonth = $month = substr ( $date, 4, 2 );
- $thisday = $day = substr ( $date, 6, 2 );
- if ( $thisyear - date ( "Y" ) >= ( $num_years - 1 ) )
- $num_years = $thisyear - date ( "Y" ) + 2;
- $ret .= "<select name=\"" . $prefix . "day\">\n";
- for ( $i = 1; $i <= 31; $i++ )
- $ret .= "<option value=\"$i\"" .
- ( $i == $thisday ? " selected=\"selected\"" : "" ) . ">$i</option>\n";
- $ret .= "</select>\n<select name=\"" . $prefix . "month\">\n";
- for ( $i = 1; $i <= 12; $i++ ) {
- $m = month_short_name ( $i - 1 );
- $ret .= "<option value=\"$i\"" .
- ( $i == $thismonth ? " selected=\"selected\"" : "" ) . ">$m</option>\n";
- }
- $ret .= "</select>\n<select name=\"" . $prefix . "year\">\n";
- for ( $i = -10; $i < $num_years; $i++ ) {
- $y = $thisyear + $i;
- $ret .= "<option value=\"$y\"" .
- ( $y == $thisyear ? " selected=\"selected\"" : "" ) . ">$y</option>\n";
- }
- $ret .= "</select>\n";
- $ret .= "<input type=\"button\" onclick=\"selectDate( '" .
- $prefix . "day','" . $prefix . "month','" . $prefix . "year',$date, event)\" value=\"" .
- translate("Select") . "...\" />\n";
- return $ret;
- }
- /**
- * Prints out a minicalendar for a month.
- *
- * @todo Make day.php NOT be a special case
- *
- * @param int $thismonth Number of the month to print
- * @param int $thisyear Number of the year
- * @param bool $showyear Show the year in the calendar's title?
- * @param bool $show_weeknums Show week numbers to the left of each row?
- * @param string $minical_id id attribute for the minical table
- * @param string $month_link URL and query string for month link that should
- * come before the date specification (e.g.
- * month.php? or view_l.php?id=7&)
- */
- function display_small_month ( $thismonth, $thisyear, $showyear,
- $show_weeknums=false, $minical_id='', $month_link='month.php?' ) {
- global $WEEK_START, $user, $login, $boldDays, $get_unapproved;
- global $DISPLAY_WEEKNUMBER;
- global $SCRIPT, $thisday; // Needed for day.php
- global $caturl, $today;
- if ( $user != $login && ! empty ( $user ) ) {
- $u_url = "user=$user" . "&";
- } else {
- $u_url = '';
- }
- //start the minical table for each month
- echo "\n<table class=\"minical\"";
- if ( $minical_id != '' ) {
- echo " id=\"$minical_id\"";
- }
- echo ">\n";
- $monthstart = mktime(2,0,0,$thismonth,1,$thisyear);
- $monthend = mktime(2,0,0,$thismonth + 1,0,$thisyear);
- if ( $SCRIPT == 'day.php' ) {
- $month_ago = date ( "Ymd",
- mktime ( 3, 0, 0, $thismonth - 1, $thisday, $thisyear ) );
- $month_ahead = date ( "Ymd",
- mktime ( 3, 0, 0, $thismonth + 1, $thisday, $thisyear ) );
- echo "<caption>$thisday</caption>\n";
- echo "<thead>\n";
- echo "<tr class=\"monthnav\"><th colspan=\"7\">\n";
- echo "<a title=\"" .
- translate("Previous") . "\" class=\"prev\" href=\"day.php?" . $u_url .
- "date=$month_ago$caturl\"><img src=\"leftarrowsmall.gif\" alt=\"" .
- translate("Previous") . "\" /></a>\n";
- echo "<a title=\"" .
- translate("Next") . "\" class=\"next\" href=\"day.php?" . $u_url .
- "date=$month_ahead$caturl\"><img src=\"rightarrowsmall.gif\" alt=\"" .
- translate("Next") . "\" /></a>\n";
- echo month_name ( $thismonth - 1 );
- if ( $showyear != '' ) {
- echo " $thisyear";
- }
- echo "</th></tr>\n<tr>\n";
- } else { //not day script
- //print the month name
- echo "<caption><a href=\"{$month_link}{$u_url}year=$thisyear&month=$thismonth\">";
- echo month_name ( $thismonth - 1 ) .
- ( $showyear ? " $thisyear" : "" );
- echo "</a></caption>\n";
- echo "<thead>\n<tr>\n";
- }
- //determine if the week starts on sunday or monday
- if ( $WEEK_START == "1" ) {
- $wkstart = get_monday_before ( $thisyear, $thismonth, 1 );
- } else {
- $wkstart = get_sunday_before ( $thisyear, $thismonth, 1 );
- }
- //print the headers to display the day of the week (sun, mon, tues, etc.)
- // if we're showing week numbers we need an extra column
- if ( $show_weeknums && $DISPLAY_WEEKNUMBER == 'Y' )
- echo "<th class=\"empty\"> </th>\n";
- //if the week doesn't start on monday, print the day
- if ( $WEEK_START == 0 ) echo "<th>" .
- weekday_short_name ( 0 ) . "</th>\n";
- //cycle through each day of the week until gone
- for ( $i = 1; $i < 7; $i++ ) {
- echo "<th>" . weekday_short_name ( $i ) . "</th>\n";
- }
- //if the week DOES start on monday, print sunday
- if ( $WEEK_START == 1 )
- echo "<th>" . weekday_short_name ( 0 ) . "</th>\n";
- //end the header row
- echo "</tr>\n</thead>\n<tbody>\n";
- for ($i = $wkstart; date("Ymd",$i) <= date ("Ymd",$monthend);
- $i += (24 * 3600 * 7) ) {
- echo "<tr>\n";
- if ( $show_weeknums && $DISPLAY_WEEKNUMBER == 'Y' ) {
- echo "<td class=\"weeknumber\"><a href=\"week.php?" . $u_url .
- "date=".date("Ymd", $i)."\">(" . week_number($i) . ")</a></td>\n";
- }
- for ($j = 0; $j < 7; $j++) {
- $date = $i + ($j * 24 * 3600);
- $dateYmd = date ( "Ymd", $date );
- $hasEvents = false;
- if ( $boldDays ) {
- $ev = get_entries ( $user, $dateYmd, $get_unapproved );
- if ( count ( $ev ) > 0 ) {
- $hasEvents = true;
- } else {
- $rep = get_repeating_entries ( $user, $dateYmd, $get_unapproved );
- if ( count ( $rep ) > 0 )
- $hasEvents = true;
- }
- }
- if ( $dateYmd >= date ("Ymd",$monthstart) &&
- $dateYmd <= date ("Ymd",$monthend) ) {
- echo "<td";
- $wday = date ( 'w', $date );
- $class = '';
- //add class="weekend" if it's saturday or sunday
- if ( $wday == 0 || $wday == 6 ) {
- $class = "weekend";
- }
- //if the day being viewed is today's date AND script = day.php
- if ( $dateYmd == $thisyear . $thismonth . $thisday &&
- $SCRIPT == 'day.php' ) {
- //if it's also a weekend, add a space between class names to combine styles
- if ( $class != '' ) {
- $class .= ' ';
- }
- $class .= "selectedday";
- }
- if ( $hasEvents ) {
- if ( $class != '' ) {
- $class .= ' ';
- }
- $class .= "hasevents";
- }
- if ( $class != '' ) {
- echo " class=\"$class\"";
- }
- if ( date ( "Ymd", $date ) == date ( "Ymd", $today ) ){
- echo " id=\"today\"";
- }
- echo "><a href=\"day.php?" .$u_url . "date=" . $dateYmd .
- "\">";
- echo date ( "d", $date ) . "</a></td>\n";
- } else {
- echo "<td class=\"empty\"> </td>\n";
- }
- } // end for $j
- echo "</tr>\n";
- } // end for $i
- echo "</tbody>\n</table>\n";
- }
- /**
- * Prints the HTML for one day's events in the month view.
- *
- * @param int $id Event ID
- * @param int $date Date of event (relevant in repeating events) in
- * YYYYMMDD format
- * @param int $time Time (in HHMMSS format)
- * @param int $duration Event duration in minutes
- * @param string $name Event name
- * @param string $description Long description of event
- * @param string $status Event status
- * @param int $pri Event priority
- * @param string $access Event access
- * @param string $event_owner Username of user associated with this event
- * @param int $event_cat Category of event for <var>$event_owner</var>
- *
- * @staticvar int Used to ensure all event popups have a unique id
- *
- * @uses build_event_popup
- */
- function print_entry ( $id, $date, $time, $duration,
- $name, $description, $status,
- $pri, $access, $event_owner, $event_cat=-1 ) {
- global $eventinfo, $login, $user, $PHP_SELF, $TZ_OFFSET;
- static $key = 0;
-
- global $layers;
- if ( $login != $event_owner && strlen ( $event_owner ) ) {
- $class = "layerentry";
- } else {
- $class = "entry";
- if ( $status == "W" ) $class = "unapprovedentry";
- }
- // if we are looking at a view, then always use "entry"
- if ( strstr ( $PHP_SELF, "view_m.php" ) ||
- strstr ( $PHP_SELF, "view_w.php" ) ||
- strstr ( $PHP_SELF, "view_v.php" ) ||
- strstr ( $PHP_SELF, "view_t.php" ) )
- $class = "entry";
- if ( $pri == 3 ) echo "<strong>";
- $popupid = "eventinfo-$id-$key";
- $key++;
- echo "<a title=\"" .
- translate("View this entry") . "\" class=\"$class\" href=\"view_entry.php?id=$id&date=$date";
- if ( strlen ( $user ) > 0 )
- echo "&user=" . $user;
- echo "\" onmouseover=\"window.status='" .
- translate("View this entry") .
- "'; show(event, '$popupid'); return true;\" onmouseout=\"window.status=''; hide('$popupid'); return true;\">";
- $icon = "circle.gif";
- $catIcon = '';
- if ( $event_cat > 0 ) {
- $catIcon = "icons/cat-" . $event_cat . ".gif";
- if ( ! file_exists ( $catIcon ) )
- $catIcon = '';
- }
- if ( empty ( $catIcon ) ) {
- echo "<img src=\"$icon\" class=\"bullet\" alt=\"" .
- translate("View this entry") . "\" />";
- } else {
- // Use category icon
- echo "<img src=\"$catIcon\" alt=\"" .
- translate("View this entry") . "\" /><br />";
- }
- if ( $login != $event_owner && strlen ( $event_owner ) ) {
- if ($layers) foreach ($layers as $layer) {
- if ($layer['cal_layeruser'] == $event_owner) {
- echo("<span style=\"color:" . $layer['cal_color'] . ";\">");
- }
- }
- }
- $timestr = "";
- if ( $duration == ( 24 * 60 ) ) {
- $timestr = translate("All day event");
- } else if ( $time != -1 ) {
- $timestr = display_time ( $time );
- $time_short = preg_replace ("/(:00)/", '', $timestr);
- echo $time_short . "» ";
- if ( $duration > 0 ) {
- // calc end time
- $h = (int) ( $time / 10000 );
- $m = ( $time / 100 ) % 100;
- $m += $duration;
- $d = $duration;
- while ( $m >= 60 ) {
- $h++;
- $m -= 60;
- }
- $end_time = sprintf ( "%02d%02d00", $h, $m );
- $timestr .= " - " . display_time ( $end_time );
- }
- }
- if ( $login != $user && $access == 'R' && strlen ( $user ) ) {
- echo "(" . translate("Private") . ")";
- } else if ( $login != $event_owner && $access == 'R' &&
- strlen ( $event_owner ) ) {
- echo "(" . translate("Private") . ")";
- } else {
- echo htmlspecialchars ( $name );
- }
- if ( $login != $event_owner && strlen ( $event_owner ) ) {
- if ($layers) foreach ($layers as $layer) {
- if($layer['cal_layeruser'] == $event_owner) {
- echo "</span>";
- }
- }
- }
- echo "</a>\n";
- if ( $pri == 3 ) echo "</strong>\n"; //end font-weight span
- echo "<br />";
- if ( $login != $user && $access == 'R' && strlen ( $user ) )
- $eventinfo .= build_event_popup ( $popupid, $event_owner,
- translate("This event is confidential"), "" );
- else
- if ( $login != $event_owner && $access == 'R' && strlen ( $event_owner ) )
- $eventinfo .= build_event_popup ( $popupid, $event_owner,
- translate("This event is confidential"), "" );
- else
- $eventinfo .= build_event_popup ( $popupid, $event_owner,
- $description, $timestr, site_extras_for_popup ( $id ) );
- }
- /**
- * Gets any site-specific fields for an entry that are stored in the database in the webcal_site_extras table.
- *
- * @param int $eventid Event ID
- *
- * @return array Array with the keys as follows:
- * - <var>cal_name</var>
- * - <var>cal_type</var>
- * - <var>cal_date</var>
- * - <var>cal_remind</var>
- * - <var>cal_data</var>
- */
- function get_site_extra_fields ( $eventid ) {
- $sql = "SELECT cal_name, cal_type, cal_date, cal_remind, cal_data " .
- "FROM webcal_site_extras " .
- "WHERE cal_id = $eventid";
- $res = dbi_query ( $sql );
- $extras = array ();
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- // save by cal_name (e.g. "URL")
- $extras[$row[0]] = array (
- "cal_name" => $row[0],
- "cal_type" => $row[1],
- "cal_date" => $row[2],
- "cal_remind" => $row[3],
- "cal_data" => $row[4]
- );
- }
- dbi_free_result ( $res );
- }
- return $extras;
- }
- /**
- * Reads all the events for a user for the specified range of dates.
- *
- * This is only called once per page request to improve performance. All the
- * events get loaded into the array <var>$events</var> sorted by time of day
- * (not date).
- *
- * @param string $user Username
- * @param string $startdate Start date range, inclusive (in YYYYMMDD format)
- * @param string $enddate End date range, inclusive (in YYYYMMDD format)
- * @param int $cat_id Category ID to filter on
- *
- * @return array Array of events
- *
- * @uses query_events
- */
- function read_events ( $user, $startdate, $enddate, $cat_id = '' ) {
- global $login;
- global $layers;
- global $TZ_OFFSET;
- $sy = substr ( $startdate, 0, 4 );
- $sm = substr ( $startdate, 4, 2 );
- $sd = substr ( $startdate, 6, 2 );
- $ey = substr ( $enddate, 0, 4 );
- $em = substr ( $enddate, 4, 2 );
- $ed = substr ( $enddate, 6, 2 );
- if ( $startdate == $enddate ) {
- if ( $TZ_OFFSET == 0 ) {
- $date_filter = " AND webcal_entry.cal_date = $startdate";
- } else if ( $TZ_OFFSET > 0 ) {
- $prev_day = mktime ( 3, 0, 0, $sm, $sd - 1, $sy );
- $cutoff = 24 - $TZ_OFFSET . "0000";
- $date_filter = " AND ( ( webcal_entry.cal_date = $startdate AND " .
- "( webcal_entry.cal_time <= $cutoff OR " .
- "webcal_entry.cal_time = -1 ) ) OR " .
- "( webcal_entry.cal_date = " . date("Ymd", $prev_day ) .
- " AND webcal_entry.cal_time >= $cutoff ) )";
- } else {
- $next_day = mktime ( 3, 0, 0, $sm, $sd + 1, $sy );
- $cutoff = ( 0 - $TZ_OFFSET ) * 10000;
- $date_filter = " AND ( ( webcal_entry.cal_date = $startdate AND " .
- "( webcal_entry.cal_time > $cutoff OR " .
- "webcal_entry.cal_time = -1 ) ) OR " .
- "( webcal_entry.cal_date = " . date("Ymd", $next_day ) .
- " AND webcal_entry.cal_time <= $cutoff ) )";
- }
- } else {
- if ( $TZ_OFFSET == 0 ) {
- $date_filter = " AND webcal_entry.cal_date >= $startdate " .
- "AND webcal_entry.cal_date <= $enddate";
- } else if ( $TZ_OFFSET > 0 ) {
- $prev_day = date ( ( "Ymd" ), mktime ( 3, 0, 0, $sm, $sd - 1, $sy ) );
- $enddate_minus1 = date ( ( "Ymd" ), mktime ( 3, 0, 0, $em, $ed - 1, $ey ) );
- $cutoff = 24 - $TZ_OFFSET . "0000";
- $date_filter = " AND ( ( webcal_entry.cal_date >= $startdate " .
- "AND webcal_entry.cal_date <= $enddate AND " .
- "webcal_entry.cal_time = -1 ) OR " .
- "( webcal_entry.cal_date = $prev_day AND " .
- "webcal_entry.cal_time >= $cutoff ) OR " .
- "( webcal_entry.cal_date = $enddate AND " .
- "webcal_entry.cal_time < $cutoff ) OR " .
- "( webcal_entry.cal_date >= $startdate AND " .
- "webcal_entry.cal_date <= $enddate_minus1 ) )";
- } else {
- // TZ_OFFSET < 0
- $next_day = date ( ( "Ymd" ), mktime ( 3, 0, 0, $sm, $sd + 1, $sy ) );
- $enddate_plus1 =
- date ( ( "Ymd" ), mktime ( 3, 0, 0, $em, $ed + 1, $ey ) );
- $cutoff = ( 0 - $TZ_OFFSET ) * 10000;
- $date_filter = " AND ( ( webcal_entry.cal_date >= $startdate " .
- "AND webcal_entry.cal_date <= $enddate AND " .
- "webcal_entry.cal_time = -1 ) OR " .
- "( webcal_entry.cal_date = $startdate AND " .
- "webcal_entry.cal_time > $cutoff ) OR " .
- "( webcal_entry.cal_date = $enddate_plus1 AND " .
- "webcal_entry.cal_time <= $cutoff ) OR " .
- "( webcal_entry.cal_date > $startdate AND " .
- "webcal_entry.cal_date < $enddate_plus1 ) )";
- }
- }
- return query_events ( $user, false, $date_filter, $cat_id );
- }
- /**
- * Gets all the events for a specific date.
- *
- * Events are retreived from the array of pre-loaded events (which was loaded
- * all at once to improve performance).
- *
- * The returned events will be sorted by time of day.
- *
- * @param string $user Username
- * @param string $date Date to get events for in YYYYMMDD format
- * @param bool $get_unapproved Load unapproved events?
- *
- * @return array Array of events
- */
- function get_entries ( $user, $date, $get_unapproved=true ) {
- global $events, $TZ_OFFSET;
- $n = 0;
- $ret = array ();
- //echo "<br />\nChecking " . count ( $events ) . " events. TZ_OFFSET = $TZ_OFFSET, get_unapproved=" . $get_unapproved . "<br />\n";
- //print_r ( $events );
- for ( $i = 0; $i < count ( $events ); $i++ ) {
- // In case of data corruption (or some other bug...)
- if ( empty ( $events[$i] ) || empty ( $events[$i]['cal_id'] ) )
- continue;
- if ( ( ! $get_unapproved ) && $events[$i]['cal_status'] == 'W' ) {
- // ignore this event
- //don't adjust anything if no TZ offset or ALL Day Event or Untimed
- } else if ( empty ( $TZ_OFFSET) || ( $events[$i]['cal_time'] <= 0 ) ) {
- if ( $events[$i]['cal_date'] == $date )
- $ret[$n++] = $events[$i];
- } else if ( $TZ_OFFSET > 0 ) {
- $cutoff = ( 24 - $TZ_OFFSET ) * 10000;
- //echo "<br /> cal_time " . $events[$i]['cal_time'] . "<br />\n";
- $sy = substr ( $date, 0, 4 );
- $sm = substr ( $date, 4, 2 );
- $sd = substr ( $date, 6, 2 );
- $prev_day = date ( ( "Ymd" ), mktime ( 3, 0, 0, $sm, $sd - 1, $sy ) );
- //echo "prev_date = $prev_day <br />\n";
- if ( $events[$i]['cal_date'] == $date &&
- $events[$i]['cal_time'] == -1 ) {
- $ret[$n++] = $events[$i];
- //echo "added event $events[$i][cal_id] <br />\n";
- } else if ( $events[$i]['cal_date'] == $date &&
- $events[$i]['cal_time'] < $cutoff ) {
- $ret[$n++] = $events[$i];
- //echo "added event {$events[$i][cal_id]} <br />\n";
- } else if ( $events[$i]['cal_date'] == $prev_day &&
- $events[$i]['cal_time'] >= $cutoff ) {
- $ret[$n++] = $events[$i];
- //echo "added event {$events[$i][cal_id]} <br />\n";
- }
- } else {
- //TZ < 0
- $cutoff = ( 0 - $TZ_OFFSET ) * 10000;
- //echo "<br />\ncal_time " . $events[$i]['cal_time'] . "<br />\n";
- $sy = substr ( $date, 0, 4 );
- $sm = substr ( $date, 4, 2 );
- $sd = substr ( $date, 6, 2 );
- $next_day = date ( ( "Ymd" ), mktime ( 3, 0, 0, $sm, $sd + 1, $sy ) );
- //echo "next_date = $next_day <br />\n";
- if ( $events[$i]['cal_time'] == -1 ) {
- if ( $events[$i]['cal_date'] == $date ) {
- $ret[$n++] = $events[$i];
- //echo "added event $events[$i][cal_id] <br />\n";
- }
- } else {
- if ( $events[$i]['cal_date'] == $date &&
- $events[$i]['cal_time'] > $cutoff ) {
- $ret[$n++] = $events[$i];
- //echo "added event $events[$i][cal_id] <br />\n";
- } else if ( $events[$i]['cal_date'] == $next_day &&
- $events[$i]['cal_time'] <= $cutoff ) {
- $ret[$n++] = $events[$i];
- //echo "added event $events[$i][cal_id] <br />\n";
- }
- }
- }
- }
- return $ret;
- }
- /**
- * Reads events visible to a user.
- *
- * Includes layers and possibly public access if enabled
- *
- * @param string $user Username
- * @param bool $want_repeated Get repeating events?
- * @param string $date_filter SQL phrase starting with AND, to be appended to
- * the WHERE clause. May be empty string.
- * @param int $cat_id Category ID to filter on. May be empty.
- *
- * @return array Array of events sorted by time of day
- */
- function query_events ( $user, $want_repeated, $date_filter, $cat_id = '' ) {
- global $login;
- global $layers, $public_access_default_visible;
- $result = array ();
- $layers_byuser = array ();
- $sql = "SELECT webcal_entry.cal_name, webcal_entry.cal_description, "
- . "webcal_entry.cal_date, webcal_entry.cal_time, "
- . "webcal_entry.cal_id, webcal_entry.cal_ext_for_id, "
- . "webcal_entry.cal_priority, "
- . "webcal_entry.cal_access, webcal_entry.cal_duration, "
- . "webcal_entry_user.cal_status, "
- . "webcal_entry_user.cal_category, "
- . "webcal_entry_user.cal_login ";
- if ( $want_repeated ) {
- $sql .= ", "
- . "webcal_entry_repeats.cal_type, webcal_entry_repeats.cal_end, "
- . "webcal_entry_repeats.cal_frequency, webcal_entry_repeats.cal_days "
- . "FROM webcal_entry, webcal_entry_repeats, webcal_entry_user "
- . "WHERE webcal_entry.cal_id = webcal_entry_repeats.cal_id AND ";
- } else {
- $sql .= "FROM webcal_entry, webcal_entry_user WHERE ";
- }
- $sql .= "webcal_entry.cal_id = webcal_entry_user.cal_id " .
- "AND webcal_entry_user.cal_status IN ('A','W') ";
- if ( $cat_id != '' ) $sql .= "AND webcal_entry_user.cal_category LIKE '$cat_id' ";
- if ( strlen ( $user ) > 0 )
- $sql .= "AND (webcal_entry_user.cal_login = '" . $user . "' ";
- if ( $user == $login && strlen ( $user ) > 0 ) {
- if ($layers) foreach ($layers as $layer) {
- $layeruser = $layer['cal_layeruser'];
- $sql .= "OR webcal_entry_user.cal_login = '" . $layeruser . "' ";
- // while we are parsing the whole layers array, build ourselves
- // a new array that will help when we have to check for dups
- $layers_byuser["$layeruser"] = $layer['cal_dups'];
- }
- }
- if ( $user == $login && strlen ( $user ) &&
- $public_access_default_visible == 'Y' ) {
- $sql .= "OR webcal_entry_user.cal_login = '__public__' ";
- }
- if ( strlen ( $user ) > 0 )
- $sql .= ") ";
- $sql .= $date_filter;
- // now order the results by time and by entry id.
- $sql .= " ORDER BY webcal_entry.cal_time, webcal_entry.cal_id";
- //echo "<strong>SQL:</strong> $sql<br />\n";
-
- $res = dbi_query ( $sql );
- if ( $res ) {
- $i = 0;
- $checkdup_id = -1;
- $first_i_this_id = -1;
- while ( $row = dbi_fetch_row ( $res ) ) {
- if ($row[9] == 'R' || $row[9] == 'D') {
- continue; // don't show rejected/deleted ones
- }
- $item = array (
- "cal_name" => $row[0],
- "cal_description" => $row[1],
- "cal_date" => $row[2],
- "cal_time" => $row[3],
- "cal_id" => $row[4],
- "cal_ext_for_id" => $row[5],
- "cal_priority" => $row[6],
- "cal_access" => $row[7],
- "cal_duration" => $row[8],
- "cal_status" => $row[9],
- "cal_category" => $row[10],
- "cal_login" => $row[11],
- "cal_exceptions" => array()
- );
- if ( $want_repeated && ! empty ( $row[12] ) ) {
- $item['cal_type'] = empty ( $row[12] ) ? "" : $row[12];
- $item['cal_end'] = empty ( $row[13] ) ? "" : $row[13];
- $item['cal_frequency'] = empty ( $row[14] ) ? "" : $row[14];
- $item['cal_days'] = empty ( $row[15] ) ? "" : $row[15];
- }
- if ( $item['cal_id'] != $checkdup_id ) {
- $checkdup_id = $item['cal_id'];
- $first_i_this_id = $i;
- }
- if ( $item['cal_login'] == $user ) {
- // Insert this one before all other ones with this ID.
- my_array_splice ( $result, $first_i_this_id, 0, array($item) );
- $i++;
- if ($first_i_this_id + 1 < $i) {
- // There's another one with the same ID as the one we inserted.
- // Check for dup and if so, delete it.
- $other_item = $result[$first_i_this_id + 1];
- if ($layers_byuser[$other_item['cal_login']] == 'N') {
- // NOTE: array_splice requires PHP4
- my_array_splice ( $result, $first_i_this_id + 1, 1, "" );
- $i--;
- }
- }
- } else {
- if ($i == $first_i_this_id
- || ( ! empty ( $layers_byuser[$item['cal_login']] ) &&
- $layers_byuser[$item['cal_login']] != 'N' ) ) {
- // This item either is the first one with its ID, or allows dups.
- // Add it to the end of the array.
- $result [$i++] = $item;
- }
- }
- }
- dbi_free_result ( $res );
- }
- // Now load event exceptions and store as array in 'cal_exceptions' field
- if ( $want_repeated ) {
- for ( $i = 0; $i < count ( $result ); $i++ ) {
- if ( ! empty ( $result[$i]['cal_id'] ) ) {
- $res = dbi_query ( "SELECT cal_date FROM webcal_entry_repeats_not " .
- "WHERE cal_id = " . $result[$i]['cal_id'] );
- while ( $row = dbi_fetch_row ( $res ) ) {
- $result[$i]['cal_exceptions'][] = $row[0];
- }
- }
- }
- }
- return $result;
- }
- /**
- * Reads all the repeated events for a user.
- *
- * This is only called once per page request to improve performance. All the
- * events get loaded into the array <var>$repeated_events</var> sorted by time of day (not
- * date).
- *
- * This will load all the repeated events into memory.
- *
- * <b>Notes:</b>
- * - To get which events repeat on a specific date, use
- * {@link get_repeating_entries()}.
- * - To get all the dates that one specific event repeats on, call
- * {@link get_all_dates()}.
- *
- * @param string $user Username
- * @param int $cat_id Category ID to filter on (May be empty)
- * @param string $date Cutoff date for repeating event endtimes in YYYYMMDD
- * format (may be empty)
- *
- * @return Array of repeating events sorted by time of day
- *
- * @uses query_events
- */
- function read_repeated_events ( $user, $cat_id = '', $date = '' ) {
- global $login;
- global $layers;
- $filter = ($date != '') ? "AND (webcal_entry_repeats.cal_end >= $date OR webcal_entry_repeats.cal_end IS NULL) " : '';
- return query_events ( $user, true, $filter, $cat_id );
- }
- /**
- * Returns all the dates a specific event will fall on accounting for the repeating.
- *
- * Any event with no end will be assigned one.
- *
- * @param string $date Initial date in raw format
- * @param string $rpt_type Repeating type as stored in the database
- * @param string $end End date
- * @param string $days Days events occurs on (for weekly)
- * @param array $ex_dates Array of exception dates for this event in YYYYMMDD format
- * @param int $freq Frequency of repetition
- *
- * @return array Array of dates (in UNIX time format)
- */
- function get_all_dates ( $date, $rpt_type, $end, $days, $ex_days, $freq=1 ) {
- global $conflict_repeat_months, $days_per_month, $ldays_per_month;
- global $ONE_DAY;
- //echo "get_all_dates ( $date, '$rpt_type', $end, '$days', [array], $freq ) <br>\n";
- $currentdate = floor($date/$ONE_DAY)*$ONE_DAY;
- $realend = floor($end/$ONE_DAY)*$ONE_DAY;
- $dateYmd = date ( "Ymd", $date );
- if ($end=='NULL') {
- // Check for $conflict_repeat_months months into future for conflicts
- $thismonth = substr($dateYmd, 4, 2);
- $thisyear = substr($dateYmd, 0, 4);
- $thisday = substr($dateYmd, 6, 2);
- $thismonth += $conflict_repeat_months;
- if ($thismonth > 12) {
- $thisyear++;
- $thismonth -= 12;
- }
- $realend = mktime(3,0,0,$thismonth,$thisday,$thisyear);
- }
- $ret = array();
- $ret[0] = $date;
- //do iterative checking here.
- //I floored the $realend so I check it against the floored date
- if ($rpt_type && $currentdate < $realend) {
- $cdate = $date;
- if (!$freq) $freq = 1;
- $n = 1;
- if ($rpt_type == 'daily') {
- //we do inclusive counting on end dates.
- $cdate += $ONE_DAY * $freq;
- while ($cdate <= $realend+$ONE_DAY) {
- if ( ! is_exception ( $cdate, $ex_days ) )
- $ret[$n++]=$cdate;
- $cdate += $ONE_DAY * $freq;
- }
- } else if ($rpt_type == 'weekly') {
- $daysarray = array();
- $r=0;
- $dow = date("w",$date);
- $cdate = $date - ($dow * $ONE_DAY);
- for ($i = 0; $i < 7; $i++) {
- $isDay = substr($days, $i, 1);
- if (strcmp($isDay,"y")==0) {
- $daysarray[$r++]=$i * $ONE_DAY;
- }
- }
- //we do inclusive counting on end dates.
- while ($cdate <= $realend+$ONE_DAY) {
- //add all of the days of the week.
- for ($j=0; $j<$r;$j++) {
- $td = $cdate + $daysarray[$j];
- if ($td >= $date) {
- if ( ! is_exception ( $td, $ex_days ) )
- $ret[$n++] = $td;
- }
- }
- //skip to the next week in question.
- $cdate += ( $ONE_DAY * 7 ) * $freq;
- }
- } else if ($rpt_type == 'monthlyByDay') {
- $dow = date('w', $date);
- $thismonth = substr($dateYmd, 4, 2);
- $thisyear = substr($dateYmd, 0, 4);
- $week = floor(date("d", $date)/7);
- $thismonth+=$freq;
- //dow1 is the weekday that the 1st of the month falls on
- $dow1 = date('w',mktime (3,0,0,$thismonth,1,$thisyear));
- $t = $dow - $dow1;
- if ($t < 0) $t += 7;
- $day = 7*$week + $t + 1;
- $cdate = mktime (3,0,0,$thismonth,$day,$thisyear);
- while ($cdate <= $realend+$ONE_DAY) {
- if ( ! is_exception ( $cdate, $ex_days ) )
- $ret[$n++] = $cdate;
- $thismonth+=$freq;
- //dow1 is the weekday that the 1st of the month falls on
- $dow1time = mktime ( 3, 0, 0, $thismonth, 1, $thisyear );
- $dow1 = date ( 'w', $dow1time );
- $t = $dow - $dow1;
- if ($t < 0) $t += 7;
- $day = 7*$week + $t + 1;
- $cdate = mktime (3,0,0,$thismonth,$day,$thisyear);
- }
- } else if ($rpt_type == 'monthlyByDayR') {
- // by weekday of month reversed (i.e., last Monday of month)
- $dow = date('w', $date);
- $thisday = substr($dateYmd, 6, 2);
- $thismonth = substr($dateYmd, 4, 2);
- $thisyear = substr($dateYmd, 0, 4);
- // get number of days in this month
- $daysthismonth = $thisyear % 4 == 0 ? $ldays_per_month[$thismonth] :
- $days_per_month[$thismonth];
- // how many weekdays like this one remain in the month?
- // 0=last one, 1=one more after this one, etc.
- $whichWeek = floor ( ( $daysthismonth - $thisday ) / 7 );
- // find first repeat date
- $thismonth += $freq;
- if ( $thismonth > 12 ) {
- $thisyear++;
- $thismonth -= 12;
- }
- // get weekday for last day of month
- $dowLast += date('w',mktime (3,0,0,$thismonth + 1, -1,$thisyear));
- if ( $dowLast >= $dow ) {
- // last weekday is in last week of this month
- $day = $daysthismonth - ( $dowLast - $dow ) -
- ( 7 * $whichWeek );
- } else {
- // last weekday is NOT in last week of this month
- $day = $daysthismonth - ( $dowLast - $dow ) -
- ( 7 * ( $whichWeek + 1 ) );
- }
- $cdate = mktime (3,0,0,$thismonth,$day,$thisyear);
- while ($cdate <= $realend+$ONE_DAY) {
- if ( ! is_exception ( $cdate, $ex_days ) )
- $ret[$n++] = $cdate;
- $thismonth += $freq;
- if ( $thismonth > 12 ) {
- $thisyear++;
- $thismonth -= 12;
- }
- // get weekday for last day of month
- $dowLast += date('w',mktime (3,0,0,$thismonth + 1, -1,$thisyear));
- if ( $dowLast >= $dow ) {
- // last weekday is in last week of this month
- $day = $daysthismonth - ( $dowLast - $dow ) -
- ( 7 * $whichWeek );
- } else {
- // last weekday is NOT in last week of this month
- $day = $daysthismonth - ( $dowLast - $dow ) -
- ( 7 * ( $whichWeek + 1 ) );
- }
- $cdate = mktime (3,0,0,$thismonth,$day,$thisyear);
- }
- } else if ($rpt_type == 'monthlyByDate') {
- $thismonth = substr($dateYmd, 4, 2);
- $thisyear = substr($dateYmd, 0, 4);
- $thisday = substr($dateYmd, 6, 2);
- $hour = date('H',$date);
- $minute = date('i',$date);
- $thismonth += $freq;
- $cdate = mktime (3,0,0,$thismonth,$thisday,$thisyear);
- while ($cdate <= $realend+$ONE_DAY) {
- if ( ! is_exception ( $cdate, $ex_days ) )
- $ret[$n++] = $cdate;
- $thismonth += $freq;
- $cdate = mktime (3,0,0,$thismonth,$thisday,$thisyear);
- }
- } else if ($rpt_type == 'yearly') {
- $thismonth = substr($dateYmd, 4, 2);
- $thisyear = substr($dateYmd, 0, 4);
- $thisday = substr($dateYmd, 6, 2);
- $hour = date('H',$date);
- $minute = date('i',$date);
- $thisyear += $freq;
- $cdate = mktime (3,0,0,$thismonth,$thisday,$thisyear);
- while ($cdate <= $realend+$ONE_DAY) {
- if ( ! is_exception ( $cdate, $ex_days ) )
- $ret[$n++] = $cdate;
- $thisyear += $freq;
- $cdate = mktime (3,0,0,$thismonth,$thisday,$thisyear);
- }
- }
- }
- return $ret;
- }
- /**
- * Gets all the repeating events for the specified date.
- *
- * <b>Note:</b>
- * The global variable <var>$repeated_events</var> needs to be
- * set by calling {@link read_repeated_events()} first.
- *
- * @param string $user Username
- * @param string $date Date to get events for in YYYYMMDD format
- * @param bool $get_unapproved Include unapproved events in results?
- *
- * @return mixed The query result resource on queries (which can then be
- * passed to {@link dbi_fetch_row()} to obtain the results), or
- * true/false on insert or delete queries.
- *
- * @global array Array of repeating events retreived using {@link read_repeated_events()}
- */
- function get_repeating_entries ( $user, $dateYmd, $get_unapproved=true ) {
- global $repeated_events;
- $n = 0;
- $ret = array ();
- //echo count($repeated_events)."<br />\n";
- for ( $i = 0; $i < count ( $repeated_events ); $i++ ) {
- if ( $repeated_events[$i]['cal_status'] == 'A' || $get_unapproved ) {
- if ( repeated_event_matches_date ( $repeated_events[$i], $dateYmd ) ) {
- // make sure this is not an exception date...
- $unixtime = date_to_epoch ( $dateYmd );
- if ( ! is_exception ( $unixtime, $repeated_events[$i]['cal_exceptions'] ) )
- $ret[$n++] = $repeated_events[$i];
- }
- }
- }
- return $ret;
- }
- /**
- * Determines whether the event passed in will fall on the date passed.
- *
- * @param array $event The event as an array
- * @param string $dateYmd Date to check in YYYYMMDD format
- *
- * @return bool Does <var>$event</var> occur on <var>$dateYmd</var>?
- */
- function repeated_event_matches_date($event,$dateYmd) {
- global $days_per_month, $ldays_per_month, $ONE_DAY;
- // only repeat after the beginning, and if there is an end
- // before the end
- $date = date_to_epoch ( $dateYmd );
- $thisyear = substr($dateYmd, 0, 4);
- $start = date_to_epoch ( $event['cal_date'] );
- $end = date_to_epoch ( $event['cal_end'] );
- $freq = $event['cal_frequency'];
- $thismonth = substr($dateYmd, 4, 2);
- if ($event['cal_end'] && $dateYmd > date("Ymd",$end) )
- return false;
- if ( $dateYmd <= date("Ymd",$start) )
- return false;
- $id = $event['cal_id'];
- if ($event['cal_type'] == 'daily') {
- if ( (floor(($date - $start)/$ONE_DAY)%$freq) )
- return false;
- return true;
- } else if ($event['cal_type'] == 'weekly') {
- $dow = date("w", $date);
- $dow1 = date("w", $start);
- $isDay = substr($event['cal_days'], $dow, 1);
- $wstart = $start - ($dow1 * $ONE_DAY);
- if (floor(($date - $wstart)/604800)%$freq)
- return false;
- return (strcmp($isDay,"y") == 0);
- } else if ($event['cal_type'] == 'monthlyByDay') {
- $dowS = date("w", $start);
- $dow = date("w", $date);
- // do this comparison first in hopes of best performance
- if ( $dowS != $dow )
- return false;
- $mthS = date("m", $start);
- $yrS = date("Y", $start);
- $dayS = floor(date("d", $start));
- $dowS1 = ( date ( "w", $start - ( $ONE_DAY * ( $dayS - 1 ) ) ) + 35 ) % 7;
- $days_in_first_weekS = ( 7 - $dowS1 ) % 7;
- $whichWeekS = floor ( ( $dayS - $days_in_first_weekS ) / 7 );
- if ( $dowS >= $dowS1 && $days_in_first_weekS )
- $whichWeekS++;
- //echo "dayS=$dayS;dowS=$dowS;dowS1=$dowS1;wWS=$whichWeekS<br />\n";
- $mth = date("m", $date);
- $yr = date("Y", $date);
- $day = date("d", $date);
- $dow1 = ( date ( "w", $date - ( $ONE_DAY * ( $day - 1 ) ) ) + 35 ) % 7;
- $days_in_first_week = ( 7 - $dow1 ) % 7;
- $whichWeek = floor ( ( $day - $days_in_first_week ) / 7 );
- if ( $dow >= $dow1 && $days_in_first_week )
- $whichWeek++;
- //echo "day=$day;dow=$dow;dow1=$dow1;wW=$whichWeek<br />\n";
- if ((($yr - $yrS)*12 + $mth - $mthS) % $freq)
- return false;
- return ( $whichWeek == $whichWeekS );
- } else if ($event['cal_type'] == 'monthlyByDayR') {
- $dowS = date("w", $start);
- $dow = date("w", $date);
- // do this comparison first in hopes of best performance
- if ( $dowS != $dow )
- return false;
- $dayS = ceil(date("d", $start));
- $mthS = ceil(date("m", $start));
- $yrS = date("Y", $start);
- $daysthismonthS = $mthS % 4 == 0 ? $ldays_per_month[$mthS] :
- $days_per_month[$mthS];
- $whichWeekS = floor ( ( $daysthismonthS - $dayS ) / 7 );
- $day = ceil(date("d", $date));
- $mth = ceil(date("m", $date));
- $yr = date("Y", $date);
- $daysthismonth = $mth % 4 == 0 ? $ldays_per_month[$mth] :
- $days_per_month[$mth];
- $whichWeek = floor ( ( $daysthismonth - $day ) / 7 );
- if ((($yr - $yrS)*12 + $mth - $mthS) % $freq)
- return false;
- return ( $whichWeekS == $whichWeek );
- } else if ($event['cal_type'] == 'monthlyByDate') {
- $mthS = date("m", $start);
- $yrS = date("Y", $start);
- $mth = date("m", $date);
- $yr = date("Y", $date);
- if ((($yr - $yrS)*12 + $mth - $mthS) % $freq)
- return false;
- return (date("d", $date) == date("d", $start));
- }
- else if ($event['cal_type'] == 'yearly') {
- $yrS = date("Y", $start);
- $yr = date("Y", $date);
- if (($yr - $yrS)%$freq)
- return false;
- return (date("dm", $date) == date("dm", $start));
- } else {
- // unknown repeat type
- return false;
- }
- return false;
- }
- /**
- * Converts a date to a timestamp.
- *
- * @param string $d Date in YYYYMMDD format
- *
- * @return int Timestamp representing 3:00 (or 4:00 if during Daylight Saving
- * Time) in the morning on that day
- */
- function date_to_epoch ( $d ) {
- if ( $d == 0 )
- return 0;
- $T = mktime ( 3, 0, 0, substr ( $d, 4, 2 ), substr ( $d, 6, 2 ), substr ( $d, 0, 4 ) );
- $lt = localtime($T);
- if ($lt[8]) {
- return mktime ( 4, 0, 0, substr ( $d, 4, 2 ), substr ( $d, 6, 2 ), substr ( $d, 0, 4 ) );
- } else {
- return $T;
- }
- }
- /**
- * Checks if a date is an exception for an event.
- *
- * @param string $date Date in YYYYMMDD format
- * @param array $exdays Array of dates in YYYYMMDD format
- *
- * @ignore
- */
- function is_exception ( $date, $ex_days ) {
- $size = count ( $ex_days );
- $count = 0;
- $date = date ( "Ymd", $date );
- //echo "Exception $date check.. count is $size <br />\n";
- while ( $count < $size ) {
- //echo "Exception date: $ex_days[$count] <br />\n";
- if ( $date == $ex_days[$count++] )
- return true;
- }
- return false;
- }
- /**
- * Gets the Sunday of the week that the specified date is in.
- *
- * If the date specified is a Sunday, then that date is returned.
- *
- * @param int $year Year
- * @param int $month Month (1-12)
- * @param int $day Day of the month
- *
- * @return int The date (in UNIX timestamp format)
- *
- * @see get_monday_before
- */
- function get_sunday_before ( $year, $month, $day ) {
- $weekday = date ( "w", mktime ( 3, 0, 0, $month, $day, $year ) );
- $newdate = mktime ( 3, 0, 0, $month, $day - $weekday, $year );
- return $newdate;
- }
- /**
- * Gets the Monday of the week that the specified date is in.
- *
- * If the date specified is a Monday, then that date is returned.
- *
- * @param int $year Year
- * @param int $month Month (1-12)
- * @param int $day Day of the month
- *
- * @return int The date (in UNIX timestamp format)
- *
- * @see get_sunday_before
- */
- function get_monday_before ( $year, $month, $day ) {
- $weekday = date ( "w", mktime ( 3, 0, 0, $month, $day, $year ) );
- if ( $weekday == 0 )
- return mktime ( 3, 0, 0, $month, $day - 6, $year );
- if ( $weekday == 1 )
- return mktime ( 3, 0, 0, $month, $day, $year );
- return mktime ( 3, 0, 0, $month, $day - ( $weekday - 1 ), $year );
- }
- /**
- * Returns the week number for specified date.
- *
- * Depends on week numbering settings.
- *
- * @param int $date Date in UNIX timestamp format
- *
- * @return string The week number of the specified date
- */
- function week_number ( $date ) {
- $tmp = getdate($date);
- $iso = gregorianToISO($tmp['mday'], $tmp['mon'], $tmp['year']);
- $parts = explode('-',$iso);
- $week_number = intval($parts[1]);
- return sprintf("%02d",$week_number);
- }
- /**
- * Generates the HTML for an add/edit/delete icon.
- *
- * This function is not yet used. Some of the places that will call it have to
- * be updated to also get the event owner so we know if the current user has
- * access to edit and delete.
- *
- * @param int $id Event ID
- * @param bool $can_edit Can this user edit this event?
- * @param bool $can_delete Can this user delete this event?
- *
- * @return HTML for add/edit/delete icon.
- *
- * @ignore
- */
- function icon_text ( $id, $can_edit, $can_delete ) {
- global $readonly, $is_admin;
- $ret = "<a title=\"" .
- translate("View this entry") . "\" href=\"view_entry.php?id=$id\"><img src=\"view.gif\" alt=\"" .
- translate("View this entry") . "\" style=\"border-width:0px; width:10px; height:10px;\" /></a>";
- if ( $can_edit && $readonly == "N" )
- $ret .= "<a title=\"" .
- translate("Edit entry") . "\" href=\"edit_entry.php?id=$id\"><img src=\"edit.gif\" alt=\"" .
- translate("Edit entry") . "\" style=\"border-width:0px; width:10px; height:10px;\" /></a>";
- if ( $can_delete && ( $readonly == "N" || $is_admin ) )
- $ret .= "<a title=\"" .
- translate("Delete entry") . "\" href=\"del_entry.php?id=$id\" onclick=\"return confirm('" .
- translate("Are you sure you want to delete this entry?") . "\\n\\n" .
- translate("This will delete this entry for all users.") . "');\"><img src=\"delete.gif\" alt=\"" .
- translate("Delete entry") . "\" style=\"border-width:0px; width:10px; height:10px;\" /></a>";
- return $ret;
- }
- /**
- * Prints all the calendar entries for the specified user for the specified date.
- *
- * If we are displaying data from someone other than
- * the logged in user, then check the access permission of the entry.
- *
- * @param string $date Date in YYYYMMDD format
- * @param string $user Username
- * @param bool $ssi Is this being called from week_ssi.php?
- */
- function print_date_entries ( $date, $user, $ssi ) {
- global $events, $readonly, $is_admin, $login,
- $public_access, $public_access_can_add, $cat_id;
- $cnt = 0;
- $get_unapproved = ( $GLOBALS["DISPLAY_UNAPPROVED"] == "Y" );
- // public access events always must be approved before being displayed
- if ( $user == "__public__" )
- $get_unapproved = false;
- $year = substr ( $date, 0, 4 );
- $month = substr ( $date, 4, 2 );
- $day = substr ( $date, 6, 2 );
- $dateu = mktime ( 3, 0, 0, $month, $day, $year );
- $can_add = ( $readonly == "N" || $is_admin );
- if ( $public_access == "Y" && $public_access_can_add != "Y" &&
- $login == "__public__" )
- $can_add = false;
- if ( $readonly == 'Y' )
- $can_add = false;
- if ( ! $ssi && $can_add ) {
- print "<a title=\"" .
- translate("New Entry") . "\" href=\"edit_entry.php?";
- if ( strcmp ( $user, $GLOBALS["login"] ) )
- print "user=$user&";
- if ( ! empty ( $cat_id ) )
- print "cat_id=$cat_id&";
- print "date=$date\"><img src=\"new.gif\" alt=\"" .
- translate("New Entry") . "\" class=\"new\" /></a>";
- $cnt++;
- }
- if ( ! $ssi ) {
- echo "<a class=\"dayofmonth\" href=\"day.php?";
- if ( strcmp ( $user, $GLOBALS["login"] ) )
- echo "user=$user&";
- if ( ! empty ( $cat_id ) )
- echo "cat_id=$cat_id&";
- echo "date=$date\">$day</a>";
- if ( $GLOBALS["DISPLAY_WEEKNUMBER"] == "Y" &&
- date ( "w", $dateu ) == $GLOBALS["WEEK_START"] ) {
- echo " <a title=\"" .
- translate("Week") . " " . week_number ( $dateu ) . "\" href=\"week.php?date=$date";
- if ( strcmp ( $user, $GLOBALS["login"] ) )
- echo "&user=$user";
- if ( ! empty ( $cat_id ) )
- echo "&cat_id=$cat_id";
- echo "\" class=\"weeknumber\">";
- echo "(" .
- translate("Week") . " " . week_number ( $dateu ) . ")</a>";
- }
- print "<br />\n";
- $cnt++;
- }
-
- // get all the repeating events for this date and store in array $rep
- $rep = get_repeating_entries ( $user, $date, $get_unapproved );
- $cur_rep = 0;
- // get all the non-repeating events for this date and store in $ev
- $ev = get_entries ( $user, $date, $get_unapproved );
- for ( $i = 0; $i < count ( $ev ); $i++ ) {
- // print out any repeating events that are before this one...
- while ( $cur_rep < count ( $rep ) &&
- $rep[$cur_rep]['cal_time'] < $ev[$i]['cal_time'] ) {
- if ( $get_unapproved || $rep[$cur_rep]['cal_status'] == 'A' ) {
- if ( ! empty ( $rep[$cur_rep]['cal_ext_for_id'] ) ) {
- $viewid = $rep[$cur_rep]['cal_ext_for_id'];
- $viewname = $rep[$cur_rep]['cal_name'] . " (" .
- translate("cont.") . ")";
- } else {
- $viewid = $rep[$cur_rep]['cal_id'];
- $viewname = $rep[$cur_rep]['cal_name'];
- }
- print_entry ( $viewid,
- $date, $rep[$cur_rep]['cal_time'], $rep[$cur_rep]['cal_duration'],
- $viewname, $rep[$cur_rep]['cal_description'],
- $rep[$cur_rep]['cal_status'], $rep[$cur_rep]['cal_priority'],
- $rep[$cur_rep]['cal_access'], $rep[$cur_rep]['cal_login'],
- $rep[$cur_rep]['cal_category'] );
- $cnt++;
- }
- $cur_rep++;
- }
- if ( $get_unapproved || $ev[$i]['cal_status'] == 'A' ) {
- if ( ! empty ( $ev[$i]['cal_ext_for_id'] ) ) {
- $viewid = $ev[$i]['cal_ext_for_id'];
- $viewname = $ev[$i]['cal_name'] . " (" .
- translate("cont.") . ")";
- } else {
- $viewid = $ev[$i]['cal_id'];
- $viewname = $ev[$i]['cal_name'];
- }
- print_entry ( $viewid,
- $date, $ev[$i]['cal_time'], $ev[$i]['cal_duration'],
- $viewname, $ev[$i]['cal_description'],
- $ev[$i]['cal_status'], $ev[$i]['cal_priority'],
- $ev[$i]['cal_access'], $ev[$i]['cal_login'],
- $ev[$i]['cal_category'] );
- $cnt++;
- }
- }
- // print out any remaining repeating events
- while ( $cur_rep < count ( $rep ) ) {
- if ( $get_unapproved || $rep[$cur_rep]['cal_status'] == 'A' ) {
- if ( ! empty ( $rep[$cur_rep]['cal_ext_for_id'] ) ) {
- $viewid = $rep[$cur_rep]['cal_ext_for_id'];
- $viewname = $rep[$cur_rep]['cal_name'] . " (" .
- translate("cont.") . ")";
- } else {
- $viewid = $rep[$cur_rep]['cal_id'];
- $viewname = $rep[$cur_rep]['cal_name'];
- }
- print_entry ( $viewid,
- $date, $rep[$cur_rep]['cal_time'], $rep[$cur_rep]['cal_duration'],
- $viewname, $rep[$cur_rep]['cal_description'],
- $rep[$cur_rep]['cal_status'], $rep[$cur_rep]['cal_priority'],
- $rep[$cur_rep]['cal_access'], $rep[$cur_rep]['cal_login'],
- $rep[$cur_rep]['cal_category'] );
- $cnt++;
- }
- $cur_rep++;
- }
- if ( $cnt == 0 )
- echo " "; // so the table cell has at least something
- }
- /**
- * Checks to see if two events overlap.
- *
- * @param string $time1 Time 1 in HHMMSS format
- * @param int $duration1 Duration 1 in minutes
- * @param string $time2 Time 2 in HHMMSS format
- * @param int $duration2 Duration 2 in minutes
- *
- * @return bool True if the two times overlap, false if they do not
- */
- function times_overlap ( $time1, $duration1, $time2, $duration2 ) {
- //echo "times_overlap ( $time1, $duration1, $time2, $duration2 )<br />\n";
- $hour1 = (int) ( $time1 / 10000 );
- $min1 = ( $time1 / 100 ) % 100;
- $hour2 = (int) ( $time2 / 10000 );
- $min2 = ( $time2 / 100 ) % 100;
- // convert to minutes since midnight
- // remove 1 minute from duration so 9AM-10AM will not conflict with 10AM-11AM
- if ( $duration1 > 0 )
- $duration1 -= 1;
- if ( $duration2 > 0 )
- $duration2 -= 1;
- $tmins1start = $hour1 * 60 + $min1;
- $tmins1end = $tmins1start + $duration1;
- $tmins2start = $hour2 * 60 + $min2;
- $tmins2end = $tmins2start + $duration2;
- //echo "tmins1start=$tmins1start, tmins1end=$tmins1end, tmins2start=$tmins2start, tmins2end=$tmins2end<br />\n";
- if ( ( $tmins1start >= $tmins2end ) || ( $tmins2start >= $tmins1end ) )
- return false;
- return true;
- }
- /**
- * Checks for conflicts.
- *
- * Find overlaps between an array of dates and the other dates in the database.
- *
- * Limits on number of appointments: if enabled in System Settings
- * (<var>$limit_appts</var> global variable), too many appointments can also
- * generate a scheduling conflict.
- *
- * @todo Update this to handle exceptions to repeating events
- *
- * @param array $dates Array of dates in YYYYMMDD format that is
- * checked for overlaps.
- * @param int $duration Event duration in minutes
- * @param int $hour Hour of event (0-23)
- * @param int $minute Minute of the event (0-59)
- * @param array $participants Array of users whose calendars are to be checked
- * @param string $login The current user name
- * @param int $id Current event id (this keeps overlaps from
- * wrongly checking an event against itself)
- *
- * @return Empty string for no conflicts or return the HTML of the
- * conflicts when one or more are found.
- */
- function check_for_conflicts ( $dates, $duration, $hour, $minute,
- $participants, $login, $id ) {
- global $single_user_login, $single_user;
- global $repeated_events, $limit_appts, $limit_appts_number;
- if (!count($dates)) return false;
- $evtcnt = array ();
- $sql = "SELECT distinct webcal_entry_user.cal_login, webcal_entry.cal_time," .
- "webcal_entry.cal_duration, webcal_entry.cal_name, " .
- "webcal_entry.cal_id, webcal_entry.cal_ext_for_id, " .
- "webcal_entry.cal_access, " .
- "webcal_entry_user.cal_status, webcal_entry.cal_date " .
- "FROM webcal_entry, webcal_entry_user " .
- "WHERE webcal_entry.cal_id = webcal_entry_user.cal_id " .
- "AND (";
- for ($x = 0; $x < count($dates); $x++) {
- if ($x != 0) $sql .= " OR ";
- $sql.="webcal_entry.cal_date = " . date ( "Ymd", $dates[$x] );
- }
- $sql .= ") AND webcal_entry.cal_time >= 0 " .
- "AND webcal_entry_user.cal_status IN ('A','W') AND ( ";
- if ( $single_user == "Y" ) {
- $participants[0] = $single_user_login;
- } else if ( strlen ( $participants[0] ) == 0 ) {
- // likely called from a form with 1 user
- $participants[0] = $login;
- }
- for ( $i = 0; $i < count ( $participants ); $i++ ) {
- if ( $i > 0 )
- $sql .= " OR ";
- $sql .= " webcal_entry_user.cal_login = '" . $participants[$i] . "'";
- }
- $sql .= " )";
- // make sure we don't get something past the end date of the
- // event we are saving.
- //echo "SQL: $sql<br />\n";
- $conflicts = "";
- $res = dbi_query ( $sql );
- $found = array();
- $count = 0;
- if ( $res ) {
- $time1 = sprintf ( "%d%02d00", $hour, $minute );
- $duration1 = sprintf ( "%d", $duration );
- while ( $row = dbi_fetch_row ( $res ) ) {
- //Add to an array to see if it has been found already for the next part.
- $found[$count++] = $row[4];
- // see if either event overlaps one another
- if ( $row[4] != $id && ( empty ( $row[5] ) || $row[5] != $id ) ) {
- $time2 = $row[1];
- $duration2 = $row[2];
- $cntkey = $row[0] . "-" . $row[8];
- if ( empty ( $evtcnt[$cntkey] ) )
- $evtcnt[$cntkey] = 0;
- else
- $evtcnt[$cntkey]++;
- $over_limit = 0;
- if ( $limit_appts == "Y" && $limit_appts_number > 0
- && $evtcnt[$cntkey] >= $limit_appts_number ) {
- $over_limit = 1;
- }
- if ( $over_limit ||
- times_overlap ( $time1, $duration1, $time2, $duration2 ) ) {
- $conflicts .= "<li>";
- if ( $single_user != "Y" )
- $conflicts .= "$row[0]: ";
- if ( $row[6] == 'R' && $row[0] != $login )
- $conflicts .= "(" . translate("Private") . ")";
- else {
- $conflicts .= "<a href=\"view_entry.php?id=$row[4]";
- if ( $row[0] != $login )
- $conflicts .= "&user=$row[0]";
- $conflicts .= "\">$row[3]</a>";
- }
- if ( $duration2 == ( 24 * 60 ) ) {
- $conflicts .= " (" . translate("All day event") . ")";
- } else {
- $conflicts .= " (" . display_time ( $time2 );
- if ( $duration2 > 0 )
- $conflicts .= "-" .
- display_time ( add_duration ( $time2, $duration2 ) );
- $conflicts .= ")";
- }
- $conflicts .= " on " . date_to_str( $row[8] );
- if ( $over_limit ) {
- $tmp = translate ( "exceeds limit of XXX events per day" );
- $tmp = str_replace ( "XXX", $limit_appts_number, $tmp );
- $conflicts .= " (" . $tmp . ")";
- }
- $conflicts .= "</li>\n";
- }
- }
- }
- dbi_free_result ( $res );
- } else {
- echo translate("Database error") . ": " . dbi_error (); exit;
- }
-
- //echo "<br />\nhello";
- for ($q=0;$q<count($participants);$q++) {
- $time1 = sprintf ( "%d%02d00", $hour, $minute );
- $duration1 = sprintf ( "%d", $duration );
- //This date filter is not necessary for functional reasons, but it eliminates some of the
- //events that couldn't possibly match. This could be made much more complex to put more
- //of the searching work onto the database server, or it could be dropped all together to put
- //the searching work onto the client.
- $date_filter = "AND (webcal_entry.cal_date <= " . date("Ymd",$dates[count($dates)-1]);
- $date_filter .= " AND (webcal_entry_repeats.cal_end IS NULL OR webcal_entry_repeats.cal_end >= " . date("Ymd",$dates[0]) . "))";
- //Read repeated events for the participants only once for a participant for
- //for performance reasons.
- $repeated_events=query_events($participants[$q],true,$date_filter);
- //for ($dd=0; $dd<count($repeated_events); $dd++) {
- // echo $repeated_events[$dd]['cal_id'] . "<br />";
- //}
- for ($i=0; $i < count($dates); $i++) {
- $dateYmd = date ( "Ymd", $dates[$i] );
- $list = get_repeating_entries($participants[$q],$dateYmd);
- $thisyear = substr($dateYmd, 0, 4);
- $thismonth = substr($dateYmd, 4, 2);
- for ($j=0; $j < count($list);$j++) {
- //okay we've narrowed it down to a day, now I just gotta check the time...
- //I hope this is right...
- $row = $list[$j];
- if ( $row['cal_id'] != $id && ( empty ( $row['cal_ext_for_id'] ) ||
- $row['cal_ext_for_id'] != $id ) ) {
- $time2 = $row['cal_time'];
- $duration2 = $row['cal_duration'];
- if ( times_overlap ( $time1, $duration1, $time2, $duration2 ) ) {
- $conflicts .= "<li>";
- if ( $single_user != "Y" )
- $conflicts .= $row['cal_login'] . ": ";
- if ( $row['cal_access'] == 'R' && $row['cal_login'] != $login )
- $conflicts .= "(" . translate("Private") . ")";
- else {
- $conflicts .= "<a href=\"view_entry.php?id=" . $row['cal_id'];
- if ( ! empty ( $user ) && $user != $login )
- $conflicts .= "&user=$user";
- $conflicts .= "\">" . $row['cal_name'] . "</a>";
- }
- $conflicts .= " (" . display_time ( $time2 );
- if ( $duration2 > 0 )
- $conflicts .= "-" .
- display_time ( add_duration ( $time2, $duration2 ) );
- $conflicts .= ")";
- $conflicts .= " on " . date("l, F j, Y", $dates[$i]);
- $conflicts .= "</li>\n";
- }
- }
- }
- }
- }
-
- return $conflicts;
- }
- /**
- * Converts a time format HHMMSS (like 130000 for 1PM) into number of minutes past midnight.
- *
- * @param string $time Input time in HHMMSS format
- *
- * @return int The number of minutes since midnight
- */
- function time_to_minutes ( $time ) {
- $h = (int) ( $time / 10000 );
- $m = (int) ( $time / 100 ) % 100;
- $num = $h * 60 + $m;
- return $num;
- }
- /**
- * Calculates which row/slot this time represents.
- *
- * This is used in day and week views where hours of the time are separeted
- * into different cells in a table.
- *
- * <b>Note:</b> the global variable <var>$TIME_SLOTS</var> is used to determine
- * how many time slots there are and how many minutes each is. This variable
- * is defined user preferences (or defaulted to admin system settings).
- *
- * @param string $time Input time in HHMMSS format
- * @param bool $round_down Should we change 1100 to 1059?
- * (This will make sure a 10AM-100AM appointment just
- * shows up in the 10AM slow and not in the 11AM slot
- * also.)
- *
- * @return int The time slot index
- */
- function calc_time_slot ( $time, $round_down = false ) {
- global $TIME_SLOTS, $TZ_OFFSET;
- $interval = ( 24 * 60 ) / $TIME_SLOTS;
- $mins_since_midnight = time_to_minutes ( $time );
- $ret = (int) ( $mins_since_midnight / $interval );
- if ( $round_down ) {
- if ( $ret * $interval == $mins_since_midnight )
- $ret--;
- }
- //echo "$mins_since_midnight / $interval = $ret <br />\n";
- if ( $ret > $TIME_SLOTS )
- $ret = $TIME_SLOTS;
- //echo "<br />\ncalc_time_slot($time) = $ret <br />\nTIME_SLOTS = $TIME_SLOTS<br />\n";
- return $ret;
- }
- /**
- * Generates the HTML for an icon to add a new event.
- *
- * @param string $date Date for new event in YYYYMMDD format
- * @param int $hour Hour of day (0-23)
- * @param int $minute Minute of the hour (0-59)
- * @param string $user Participant to initially select for new event
- *
- * @return string The HTML for the add event icon
- */
- function html_for_add_icon ( $date=0,$hour="", $minute="", $user="" ) {
- global $TZ_OFFSET;
- global $login, $readonly, $cat_id;
- $u_url = '';
- if ( $readonly == 'Y' )
- return '';
- if ( $minute < 0 ) {
- $minute = abs($minute);
- $hour = $hour -1;
- }
- if ( ! empty ( $user ) && $user != $login )
- $u_url = "user=$user&";
- if ( isset ( $hour ) && $hour != NULL )
- $hour += $TZ_OFFSET;
- return "<a title=\"" .
- translate("New Entry") . "\" href=\"edit_entry.php?" . $u_url .
- "date=$date" . ( isset ( $hour ) && $hour != NULL && $hour >= 0 ? "&hour=$hour" : "" ) .
- ( $minute > 0 ? "&minute=$minute" : "" ) .
- ( empty ( $user ) ? "" : "&defusers=$user" ) .
- ( empty ( $cat_id ) ? "" : "&cat_id=$cat_id" ) .
- "\"><img src=\"new.gif\" class=\"new\" alt=\"" .
- translate("New Entry") . "\" /></a>\n";
- }
- /**
- * Generates the HTML for an event to be viewed in the week-at-glance (week.php).
- *
- * The HTML will be stored in an array (global variable $hour_arr)
- * indexed on the event's starting hour.
- *
- * @param int $id Event id
- * @param string $date Date of event in YYYYMMDD format
- * @param string $time Time of event in HHMM format
- * @param string $name Brief description of event
- * @param string $description Full description of event
- * @param string $status Status of event ('A', 'W')
- * @param int $pri Priority of event
- * @param string $access Access to event by others ('P', 'R')
- * @param int $duration Duration of event in minutes
- * @param string $event_owner User who created event
- * @param int $event_category Category id for event
- */
- function html_for_event_week_at_a_glance ( $id, $date, $time,
- $name, $description, $status, $pri, $access, $duration, $event_owner,
- $event_category=-1 ) {
- global $first_slot, $last_slot, $hour_arr, $rowspan_arr, $rowspan,
- $eventinfo, $login, $user;
- static $key = 0;
- global $DISPLAY_ICONS, $PHP_SELF, $TIME_SLOTS;
- global $layers;
- $popupid = "eventinfo-day-$id-$key";
- $key++;
-
- // Figure out which time slot it goes in.
- if ( $time >= 0 && $duration != ( 24 * 60 ) ) {
- $ind = calc_time_slot ( $time );
- if ( $ind < $first_slot )
- $first_slot = $ind;
- if ( $ind > $last_slot )
- $last_slot = $ind;
- } else
- $ind = 9999;
- if ( $login != $event_owner && strlen ( $event_owner ) ) {
- $class = "layerentry";
- } else {
- $class = "entry";
- if ( $status == "W" ) $class = "unapprovedentry";
- }
- // if we are looking at a view, then always use "entry"
- if ( strstr ( $PHP_SELF, "view_m.php" ) ||
- strstr ( $PHP_SELF, "view_w.php" ) ||
- strstr ( $PHP_SELF, "view_v.php" ) ||
- strstr ( $PHP_SELF, "view_t.php" ) )
- $class = "entry";
- // avoid php warning for undefined array index
- if ( empty ( $hour_arr[$ind] ) )
- $hour_arr[$ind] = "";
- $catIcon = "icons/cat-" . $event_category . ".gif";
- if ( $event_category > 0 && file_exists ( $catIcon ) ) {
- $hour_arr[$ind] .= "<img src=\"$catIcon\" alt=\"$catIcon\" />";
- }
- $hour_arr[$ind] .= "<a title=\"" .
- translate("View this entry") . "\" class=\"$class\" href=\"view_entry.php?id=$id&date=$date";
- if ( strlen ( $GLOBALS["user"] ) > 0 )
- $hour_arr[$ind] .= "&user=" . $GLOBALS["user"];
- $hour_arr[$ind] .= "\" onmouseover=\"window.status='" .
- translate("View this entry") . "'; show(event, '$popupid'); return true;\" onmouseout=\"hide('$popupid'); return true;\">";
- if ( $pri == 3 )
- $hour_arr[$ind] .= "<strong>";
- if ( $login != $event_owner && strlen ( $event_owner ) ) {
- if ($layers) foreach ($layers as $layer) {
- if ( $layer['cal_layeruser'] == $event_owner ) {
- $in_span = true;
- $hour_arr[$ind] .= "<span style=\"color:" . $layer['cal_color'] . ";\">";
- }
- }
- }
- if ( $duration == ( 24 * 60 ) ) {
- $timestr = translate("All day event");
- } else if ( $time >= 0 ) {
- $hour_arr[$ind] .= display_time ( $time ) . "» ";
- $timestr = display_time ( $time );
- if ( $duration > 0 ) {
- // calc end time
- $h = (int) ( $time / 10000 );
- $m = ( $time / 100 ) % 100;
- $m += $duration;
- $d = $duration;
- while ( $m >= 60 ) {
- $h++;
- $m -= 60;
- }
- $end_time = sprintf ( "%02d%02d00", $h, $m );
- $timestr .= "-" . display_time ( $end_time );
- } else {
- $end_time = 0;
- }
- if ( empty ( $rowspan_arr[$ind] ) )
- $rowspan_arr[$ind] = 0; // avoid warning below
- // which slot is end time in? take one off so we don't
- // show 11:00-12:00 as taking up both 11 and 12 slots.
- $endind = calc_time_slot ( $end_time, true );
- if ( $endind == $ind )
- $rowspan = 0;
- else
- $rowspan = $endind - $ind + 1;
- if ( $rowspan > $rowspan_arr[$ind] && $rowspan > 1 )
- $rowspan_arr[$ind] = $rowspan;
- } else {
- $timestr = "";
- }
- // avoid php warning of undefined index when using .= below
- if ( empty ( $hour_arr[$ind] ) )
- $hour_arr[$ind] = "";
- if ( $login != $user && $access == 'R' && strlen ( $user ) ) {
- $hour_arr[$ind] .= "(" . translate("Private") . ")";
- } else if ( $login != $event_owner && $access == 'R' &&
- strlen ( $event_owner ) ) {
- $hour_arr[$ind] .= "(" . translate("Private") . ")";
- } else if ( $login != $event_owner && strlen ( $event_owner ) ) {
- $hour_arr[$ind] .= htmlspecialchars ( $name );
- if ( ! empty ( $in_span ) )
- $hour_arr[$ind] .= "</span>"; //end color span
- } else {
- $hour_arr[$ind] .= htmlspecialchars ( $name );
- }
- if ( $pri == 3 ) $hour_arr[$ind] .= "</strong>"; //end font-weight span
- $hour_arr[$ind] .= "</a>";
- //if ( $DISPLAY_ICONS == "Y" ) {
- // $hour_arr[$ind] .= icon_text ( $id, true, true );
- //}
- $hour_arr[$ind] .= "<br />\n";
- if ( $login != $user && $access == 'R' && strlen ( $user ) ) {
- $eventinfo .= build_event_popup ( $popupid, $event_owner,
- translate("This event is confidential"), "" );
- } else if ( $login != $event_owner && $access == 'R' &&
- strlen ( $event_owner ) ) {
- $eventinfo .= build_event_popup ( $popupid, $event_owner,
- translate("This event is confidential"), "" );
- } else {
- $eventinfo .= build_event_popup ( $popupid, $event_owner,
- $description, $timestr, site_extras_for_popup ( $id ) );
- }
- }
- /**
- * Generates the HTML for an event to be viewed in the day-at-glance (day.php).
- *
- * The HTML will be stored in an array (global variable $hour_arr)
- * indexed on the event's starting hour.
- *
- * @param int $id Event id
- * @param string $date Date of event in YYYYMMDD format
- * @param string $time Time of event in HHMM format
- * @param string $name Brief description of event
- * @param string $description Full description of event
- * @param string $status Status of event ('A', 'W')
- * @param int $pri Priority of event
- * @param string $access Access to event by others ('P', 'R')
- * @param int $duration Duration of event in minutes
- * @param string $event_owner User who created event
- * @param int $event_category Category id for event
- */
- function html_for_event_day_at_a_glance ( $id, $date, $time,
- $name, $description, $status, $pri, $access, $duration, $event_owner,
- $event_category=-1 ) {
- global $first_slot, $last_slot, $hour_arr, $rowspan_arr, $rowspan,
- $eventinfo, $login, $user;
- static $key = 0;
- global $layers, $PHP_SELF, $TIME_SLOTS, $TZ_OFFSET;
- $popupid = "eventinfo-day-$id-$key";
- $key++;
- if ( $login != $user && $access == 'R' && strlen ( $user ) )
- $eventinfo .= build_event_popup ( $popupid, $event_owner,
- translate("This event is confidential"), "" );
- else if ( $login != $event_owner && $access == 'R' &&
- strlen ( $event_owner ) )
- $eventinfo .= build_event_popup ( $popupid, $event_owner,
- translate("This event is confidential"), "" );
- else
- $eventinfo .= build_event_popup ( $popupid, $event_owner, $description,
- "", site_extras_for_popup ( $id ) );
- // calculate slot length in minutes
- $interval = ( 60 * 24 ) / $TIME_SLOTS;
- // If TZ_OFFSET make this event before the start of the day or
- // after the end of the day, adjust the time slot accordingly.
- if ( $time >= 0 && $duration != ( 24 * 60 ) ) {
- if ( $time + ( $TZ_OFFSET * 10000 ) > 240000 )
- $time -= 240000;
- else if ( $time + ( $TZ_OFFSET * 10000 ) < 0 )
- $time += 240000;
- $ind = calc_time_slot ( $time );
- if ( $ind < $first_slot )
- $first_slot = $ind;
- if ( $ind > $last_slot )
- $last_slot = $ind;
- } else
- $ind = 9999;
- //echo "time = $time <br />\nind = $ind <br />\nfirst_slot = $first_slot<br />\n";
- if ( empty ( $hour_arr[$ind] ) )
- $hour_arr[$ind] = "";
- if ( $login != $event_owner && strlen ( $event_owner ) ) {
- $class = "layerentry";
- } else {
- $class = "entry";
- if ( $status == "W" )
- $class = "unapprovedentry";
- }
- // if we are looking at a view, then always use "entry"
- if ( strstr ( $PHP_SELF, "view_m.php" ) ||
- strstr ( $PHP_SELF, "view_w.php" ) ||
- strstr ( $PHP_SELF, "view_v.php" ) ||
- strstr ( $PHP_SELF, "view_t.php" ) )
- $class = "entry";
- $catIcon = "icons/cat-" . $event_category . ".gif";
- if ( $event_category > 0 && file_exists ( $catIcon ) ) {
- $hour_arr[$ind] .= "<img src=\"$catIcon\" alt=\"$catIcon\" />";
- }
- $hour_arr[$ind] .= "<a title=\"" .
- translate("View this entry") . "\" class=\"$class\" href=\"view_entry.php?id=$id&date=$date";
- if ( strlen ( $GLOBALS["user"] ) > 0 )
- $hour_arr[$ind] .= "&user=" . $GLOBALS["user"];
- $hour_arr[$ind] .= "\" onmouseover=\"window.status='" .
- translate("View this entry") . "'; show(event, '$popupid'); return true;\" onmouseout=\"hide('$popupid'); return true;\">";
- if ( $pri == 3 ) $hour_arr[$ind] .= "<strong>";
- if ( $login != $event_owner && strlen ( $event_owner ) ) {
- if ($layers) foreach ($layers as $layer) {
- if ( $layer['cal_layeruser'] == $event_owner) {
- $in_span = true;
- $hour_arr[$ind] .= "<span style=\"color:" . $layer['cal_color'] . ";\">";
- }
- }
- }
- if ( $duration == ( 24 * 60 ) ) {
- $hour_arr[$ind] .= "[" . translate("All day event") . "] ";
- } else if ( $time >= 0 ) {
- $hour_arr[$ind] .= "[" . display_time ( $time );
- if ( $duration > 0 ) {
- // calc end time
- $h = (int) ( $time / 10000 );
- $m = ( $time / 100 ) % 100;
- $m += $duration;
- $d = $duration;
- while ( $m >= 60 ) {
- $h++;
- $m -= 60;
- }
- $end_time = sprintf ( "%02d%02d00", $h, $m );
- $hour_arr[$ind] .= "-" . display_time ( $end_time );
- // which slot is end time in? take one off so we don't
- // show 11:00-12:00 as taking up both 11 and 12 slots.
- $endind = calc_time_slot ( $end_time, true );
- if ( $endind == $ind )
- $rowspan = 0;
- else
- $rowspan = $endind - $ind + 1;
- if ( ! isset ( $rowspan_arr[$ind] ) )
- $rowspan_arr[$ind] = 0;
- if ( $rowspan > $rowspan_arr[$ind] && $rowspan > 1 )
- $rowspan_arr[$ind] = $rowspan;
- }
- $hour_arr[$ind] .= "] ";
- }
- if ( $login != $user && $access == 'R' && strlen ( $user ) )
- $hour_arr[$ind] .= "(" . translate("Private") . ")";
- else
- if ( $login != $event_owner && $access == 'R' && strlen ( $event_owner ) )
- $hour_arr[$ind] .= "(" . translate("Private") . ")";
- else
- if ( $login != $event_owner && strlen ( $event_owner ) )
- {
- $hour_arr[$ind] .= htmlspecialchars ( $name );
- if ( ! empty ( $in_span ) )
- $hour_arr[$ind] .= "</span>"; //end color span
- }
- else
- $hour_arr[$ind] .= htmlspecialchars ( $name );
- if ( $pri == 3 ) $hour_arr[$ind] .= "</strong>"; //end font-weight span
- $hour_arr[$ind] .= "</a>";
- if ( $GLOBALS["DISPLAY_DESC_PRINT_DAY"] == "Y" ) {
- $hour_arr[$ind] .= "\n<dl class=\"desc\">\n";
- $hour_arr[$ind] .= "<dt>" . translate("Description") . ":</dt>\n<dd>";
- if ( ! empty ( $GLOBALS['allow_html_description'] ) &&
- $GLOBALS['allow_html_description'] == 'Y' ) {
- $str = str_replace ( "&", "&", $description );
- $str = str_replace ( "&amp;", "&", $str );
- // If there is no html found, then go ahead and replace
- // the line breaks ("\n") with the html break.
- if ( strstr ( $str, "<" ) && strstr ( $str, ">" ) ) {
- // found some html...
- $hour_arr[$ind] .= $str;
- } else {
- // no html, replace line breaks
- $hour_arr[$ind] .= nl2br ( $str );
- }
- } else {
- // html not allowed in description, escape everything
- $hour_arr[$ind] .= nl2br ( htmlspecialchars ( $description ) );
- }
- $hour_arr[$ind] .= "</dd>\n</dl>\n";
- }
- $hour_arr[$ind] .= "<br />\n";
- }
- /**
- * Prints all the calendar entries for the specified user for the specified date in day-at-a-glance format.
- *
- * If we are displaying data from someone other than
- * the logged in user, then check the access permission of the entry.
- *
- * @param string $date Date in YYYYMMDD format
- * @param string $user Username of calendar
- */
- function print_day_at_a_glance ( $date, $user, $can_add=0 ) {
- global $first_slot, $last_slot, $hour_arr, $rowspan_arr, $rowspan;
- global $TABLEBG, $CELLBG, $TODAYCELLBG, $THFG, $THBG, $TIME_SLOTS, $TZ_OFFSET;
- global $WORK_DAY_START_HOUR, $WORK_DAY_END_HOUR;
- global $repeated_events;
- $get_unapproved = ( $GLOBALS["DISPLAY_UNAPPROVED"] == "Y" );
- if ( $user == "__public__" )
- $get_unapproved = false;
- if ( empty ( $TIME_SLOTS ) ) {
- echo "Error: TIME_SLOTS undefined!<br />\n";
- return;
- }
- // $interval is number of minutes per slot
- $interval = ( 24 * 60 ) / $TIME_SLOTS;
-
- $rowspan_arr = array ();
- for ( $i = 0; $i < $TIME_SLOTS; $i++ ) {
- $rowspan_arr[$i] = 0;
- }
- // get all the repeating events for this date and store in array $rep
- $rep = get_repeating_entries ( $user, $date );
- $cur_rep = 0;
- // Get static non-repeating events
- $ev = get_entries ( $user, $date, $get_unapproved );
- $hour_arr = array ();
- $interval = ( 24 * 60 ) / $TIME_SLOTS;
- $first_slot = (int) ( ( ( $WORK_DAY_START_HOUR - $TZ_OFFSET ) * 60 ) / $interval );
- $last_slot = (int) ( ( ( $WORK_DAY_END_HOUR - $TZ_OFFSET ) * 60 ) / $interval);
- //echo "first_slot = $first_slot<br />\nlast_slot = $last_slot<br />\ninterval = $interval<br />\nTIME_SLOTS = $TIME_SLOTS<br />\n";
- $rowspan_arr = array ();
- $all_day = 0;
- for ( $i = 0; $i < count ( $ev ); $i++ ) {
- // print out any repeating events that are before this one...
- while ( $cur_rep < count ( $rep ) &&
- $rep[$cur_rep]['cal_time'] < $ev[$i]['cal_time'] ) {
- if ( $get_unapproved || $rep[$cur_rep]['cal_status'] == 'A' ) {
- if ( ! empty ( $rep[$cur_rep]['cal_ext_for_id'] ) ) {
- $viewid = $rep[$cur_rep]['cal_ext_for_id'];
- $viewname = $rep[$cur_rep]['cal_name'] . " (" .
- translate("cont.") . ")";
- } else {
- $viewid = $rep[$cur_rep]['cal_id'];
- $viewname = $rep[$cur_rep]['cal_name'];
- }
- if ( $rep[$cur_rep]['cal_duration'] == ( 24 * 60 ) )
- $all_day = 1;
- html_for_event_day_at_a_glance ( $viewid,
- $date, $rep[$cur_rep]['cal_time'],
- $viewname, $rep[$cur_rep]['cal_description'],
- $rep[$cur_rep]['cal_status'], $rep[$cur_rep]['cal_priority'],
- $rep[$cur_rep]['cal_access'], $rep[$cur_rep]['cal_duration'],
- $rep[$cur_rep]['cal_login'], $rep[$cur_rep]['cal_category'] );
- }
- $cur_rep++;
- }
- if ( $get_unapproved || $ev[$i]['cal_status'] == 'A' ) {
- if ( ! empty ( $ev[$i]['cal_ext_for_id'] ) ) {
- $viewid = $ev[$i]['cal_ext_for_id'];
- $viewname = $ev[$i]['cal_name'] . " (" .
- translate("cont.") . ")";
- } else {
- $viewid = $ev[$i]['cal_id'];
- $viewname = $ev[$i]['cal_name'];
- }
- if ( $ev[$i]['cal_duration'] == ( 24 * 60 ) )
- $all_day = 1;
- html_for_event_day_at_a_glance ( $viewid,
- $date, $ev[$i]['cal_time'],
- $viewname, $ev[$i]['cal_description'],
- $ev[$i]['cal_status'], $ev[$i]['cal_priority'],
- $ev[$i]['cal_access'], $ev[$i]['cal_duration'],
- $ev[$i]['cal_login'], $ev[$i]['cal_category'] );
- }
- }
- // print out any remaining repeating events
- while ( $cur_rep < count ( $rep ) ) {
- if ( $get_unapproved || $rep[$cur_rep]['cal_status'] == 'A' ) {
- if ( ! empty ( $rep[$cur_rep]['cal_ext_for_id'] ) ) {
- $viewid = $rep[$cur_rep]['cal_ext_for_id'];
- $viewname = $rep[$cur_rep]['cal_name'] . " (" .
- translate("cont.") . ")";
- } else {
- $viewid = $rep[$cur_rep]['cal_id'];
- $viewname = $rep[$cur_rep]['cal_name'];
- }
- if ( $rep[$cur_rep]['cal_duration'] == ( 24 * 60 ) )
- $all_day = 1;
- html_for_event_day_at_a_glance ( $viewid,
- $date, $rep[$cur_rep]['cal_time'],
- $viewname, $rep[$cur_rep]['cal_description'],
- $rep[$cur_rep]['cal_status'], $rep[$cur_rep]['cal_priority'],
- $rep[$cur_rep]['cal_access'], $rep[$cur_rep]['cal_duration'],
- $rep[$cur_rep]['cal_login'], $rep[$cur_rep]['cal_category'] );
- }
- $cur_rep++;
- }
- // squish events that use the same cell into the same cell.
- // For example, an event from 8:00-9:15 and another from 9:30-9:45 both
- // want to show up in the 8:00-9:59 cell.
- $rowspan = 0;
- $last_row = -1;
- //echo "First SLot: $first_slot; Last Slot: $last_slot<br />\n";
- $i = 0;
- if ( $first_slot < 0 )
- $i = $first_slot;
- for ( ; $i < $TIME_SLOTS; $i++ ) {
- if ( $rowspan > 1 ) {
- if ( ! empty ( $hour_arr[$i] ) ) {
- $diff_start_time = $i - $last_row;
- if ( $rowspan_arr[$i] > 1 ) {
- if ( $rowspan_arr[$i] + ( $diff_start_time ) > $rowspan_arr[$last_row] ) {
- $rowspan_arr[$last_row] = ( $rowspan_arr[$i] + ( $diff_start_time ) );
- }
- $rowspan += ( $rowspan_arr[$i] - 1 );
- } else {
- $rowspan_arr[$last_row] += $rowspan_arr[$i];
- }
- // this will move entries apart that appear in one field,
- // yet start on different hours
- for ( $u = $diff_start_time ; $u > 0 ; $u-- ) {
- $hour_arr[$last_row] .= "<br />\n";
- }
- $hour_arr[$last_row] .= $hour_arr[$i];
- $hour_arr[$i] = "";
- $rowspan_arr[$i] = 0;
- }
- $rowspan--;
- } else if ( ! empty ( $rowspan_arr[$i] ) && $rowspan_arr[$i] > 1 ) {
- $rowspan = $rowspan_arr[$i];
- $last_row = $i;
- }
- }
- if ( ! empty ( $hour_arr[9999] ) ) {
- echo "<tr><th class=\"empty\"> </th>\n" .
- "<td class=\"hasevents\">$hour_arr[9999]</td></tr>\n";
- }
- $rowspan = 0;
- //echo "first_slot = $first_slot<br />\nlast_slot = $last_slot<br />\ninterval = $interval<br />\n";
- for ( $i = $first_slot; $i <= $last_slot; $i++ ) {
- $time_h = (int) ( ( $i * $interval ) / 60 );
- $time_m = ( $i * $interval ) % 60;
- $time = display_time ( ( $time_h * 100 + $time_m ) * 100 );
- echo "<tr>\n<th class=\"row\">" . $time . "</th>\n";
- if ( $rowspan > 1 ) {
- // this might mean there's an overlap, or it could mean one event
- // ends at 11:15 and another starts at 11:30.
- if ( ! empty ( $hour_arr[$i] ) ) {
- echo "<td class=\"hasevents\">";
- if ( $can_add )
- echo html_for_add_icon ( $date, $time_h, $time_m, $user );
- echo "$hour_arr[$i]</td>\n";
- }
- $rowspan--;
- } else {
- if ( empty ( $hour_arr[$i] ) ) {
- echo "<td>";
- if ( $can_add ) {
- echo html_for_add_icon ( $date, $time_h, $time_m, $user ) . "</td>";
- } else {
- echo " </td>";
- }
- echo "</tr>\n";
- } else {
- if ( empty ( $rowspan_arr[$i] ) )
- $rowspan = '';
- else
- $rowspan = $rowspan_arr[$i];
- if ( $rowspan > 1 ) {
- echo "<td rowspan=\"$rowspan\" class=\"hasevents\">";
- if ( $can_add )
- echo html_for_add_icon ( $date, $time_h, $time_m, $user );
- echo "$hour_arr[$i]</td></tr>\n";
- } else {
- echo "<td class=\"hasevents\">";
- if ( $can_add )
- echo html_for_add_icon ( $date, $time_h, $time_m, $user );
- echo "$hour_arr[$i]</td></tr>\n";
- }
- }
- }
- }
- }
- /**
- * Checks for any unnaproved events.
- *
- * If any are found, display a link to the unapproved events (where they can be
- * approved).
- *
- * If the user is an admin user, also count up any public events.
- * If the user is a nonuser admin, count up events on the nonuser calendar.
- *
- * @param string $user Current user login
- */
- function display_unapproved_events ( $user ) {
- global $public_access, $is_admin, $nonuser_enabled, $login;
- // Don't do this for public access login, admin user must approve public
- // events
- if ( $user == "__public__" )
- return;
- $sql = "SELECT COUNT(webcal_entry_user.cal_id) " .
- "FROM webcal_entry_user, webcal_entry " .
- "WHERE webcal_entry_user.cal_id = webcal_entry.cal_id " .
- "AND webcal_entry_user.cal_status = 'W' " .
- "AND ( webcal_entry.cal_ext_for_id IS NULL " .
- "OR webcal_entry.cal_ext_for_id = 0 ) " .
- "AND ( webcal_entry_user.cal_login = '$user'";
- if ( $public_access == "Y" && $is_admin ) {
- $sql .= " OR webcal_entry_user.cal_login = '__public__'";
- }
- if ( $nonuser_enabled == 'Y' ) {
- $admincals = get_nonuser_cals ( $login );
- for ( $i = 0; $i < count ( $admincals ); $i++ ) {
- $sql .= " OR webcal_entry_user.cal_login = '" .
- $admincals[$i]['cal_login'] . "'";
- }
- }
- $sql .= " )";
- //print "SQL: $sql<br />\n";
- $res = dbi_query ( $sql );
- if ( $res ) {
- if ( $row = dbi_fetch_row ( $res ) ) {
- if ( $row[0] > 0 ) {
- $str = translate ("You have XXX unapproved events");
- $str = str_replace ( "XXX", $row[0], $str );
- echo "<a class=\"nav\" href=\"list_unapproved.php";
- if ( $user != $login )
- echo "?user=$user\"";
- echo "\">" . $str . "</a><br />\n";
- }
- }
- dbi_free_result ( $res );
- }
- }
- /**
- * Looks for URLs in the given text, and makes them into links.
- *
- * @param string $text Input text
- *
- * @return string The text altered to have HTML links for any web links
- * (http or https)
- */
- function activate_urls ( $text ) {
- $str = eregi_replace ( "(http://[^[:space:]$]+)",
- "<a href=\"\\1\">\\1</a>", $text );
- $str = eregi_replace ( "(https://[^[:space:]$]+)",
- "<a href=\"\\1\">\\1</a>", $str );
- return $str;
- }
- /**
- * Displays a time in either 12 or 24 hour format.
- *
- * The global variable $TZ_OFFSET is used to adjust the time. Note that this
- * is somewhat of a kludge for timezone support. If an event is set for 11PM
- * server time and the user is 2 hours ahead, it will show up as 1AM, but the
- * date will not be adjusted to the next day.
- *
- * @param string $time Input time in HHMMSS format
- * @param bool $ignore_offset If true, then do not use the timezone offset
- *
- * @return string The time in the user's timezone and preferred format
- *
- * @global int The user's timezone offset from the server
- */
- function display_time ( $time, $ignore_offset=0 ) {
- global $TZ_OFFSET;
- $hour = (int) ( $time / 10000 );
- if ( ! $ignore_offset )
- $hour += $TZ_OFFSET;
- $min = abs( ( $time / 100 ) % 100 );
- //Prevent goofy times like 8:00 9:30 9:00 10:30 10:00
- if ( $time < 0 && $min > 0 ) $hour = $hour - 1;
- while ( $hour < 0 )
- $hour += 24;
- while ( $hour > 23 )
- $hour -= 24;
- if ( $GLOBALS["TIME_FORMAT"] == "12" ) {
- $ampm = ( $hour >= 12 ) ? translate("pm") : translate("am");
- $hour %= 12;
- if ( $hour == 0 )
- $hour = 12;
- $ret = sprintf ( "%d:%02d%s", $hour, $min, $ampm );
- } else {
- $ret = sprintf ( "%d:%02d", $hour, $min );
- }
- return $ret;
- }
- /**
- * Returns the full name of the specified month.
- *
- * Use {@link month_short_name()} to get the abbreviated name of the month.
- *
- * @param int $m Number of the month (0-11)
- *
- * @return string The full name of the specified month
- *
- * @see month_short_name
- */
- function month_name ( $m ) {
- switch ( $m ) {
- case 0: return translate("January");
- case 1: return translate("February");
- case 2: return translate("March");
- case 3: return translate("April");
- case 4: return translate("May_"); // needs to be different than "May"
- case 5: return translate("June");
- case 6: return translate("July");
- case 7: return translate("August");
- case 8: return translate("September");
- case 9: return translate("October");
- case 10: return translate("November");
- case 11: return translate("December");
- }
- return "unknown-month($m)";
- }
- /**
- * Returns the abbreviated name of the specified month (such as "Jan").
- *
- * Use {@link month_name()} to get the full name of the month.
- *
- * @param int $m Number of the month (0-11)
- *
- * @return string The abbreviated name of the specified month (example: "Jan")
- *
- * @see month_name
- */
- function month_short_name ( $m ) {
- switch ( $m ) {
- case 0: return translate("Jan");
- case 1: return translate("Feb");
- case 2: return translate("Mar");
- case 3: return translate("Apr");
- case 4: return translate("May");
- case 5: return translate("Jun");
- case 6: return translate("Jul");
- case 7: return translate("Aug");
- case 8: return translate("Sep");
- case 9: return translate("Oct");
- case 10: return translate("Nov");
- case 11: return translate("Dec");
- }
- return "unknown-month($m)";
- }
- /**
- * Returns the full weekday name.
- *
- * Use {@link weekday_short_name()} to get the abbreviated weekday name.
- *
- * @param int $w Number of the day in the week (0=Sunday,...,6=Saturday)
- *
- * @return string The full weekday name ("Sunday")
- *
- * @see weekday_short_name
- */
- function weekday_name ( $w ) {
- switch ( $w ) {
- case 0: return translate("Sunday");
- case 1: return translate("Monday");
- case 2: return translate("Tuesday");
- case 3: return translate("Wednesday");
- case 4: return translate("Thursday");
- case 5: return translate("Friday");
- case 6: return translate("Saturday");
- }
- return "unknown-weekday($w)";
- }
- /**
- * Returns the abbreviated weekday name.
- *
- * Use {@link weekday_name()} to get the full weekday name.
- *
- * @param int $w Number of the day in the week (0=Sunday,...,6=Saturday)
- *
- * @return string The abbreviated weekday name ("Sun")
- */
- function weekday_short_name ( $w ) {
- switch ( $w ) {
- case 0: return translate("Sun");
- case 1: return translate("Mon");
- case 2: return translate("Tue");
- case 3: return translate("Wed");
- case 4: return translate("Thu");
- case 5: return translate("Fri");
- case 6: return translate("Sat");
- }
- return "unknown-weekday($w)";
- }
- /**
- * Converts a date in YYYYMMDD format into "Friday, December 31, 1999",
- * "Friday, 12-31-1999" or whatever format the user prefers.
- *
- * @param string $indate Date in YYYYMMDD format
- * @param string $format Format to use for date (default is "__month__
- * __dd__, __yyyy__")
- * @param bool $show_weekday Should the day of week also be included?
- * @param bool $short_months Should the abbreviated month names be used
- * instead of the full month names?
- * @param int $server_time ???
- *
- * @return string Date in the specified format
- *
- * @global string Preferred date format
- * @global int User's timezone offset from the server
- */
- function date_to_str ( $indate, $format="", $show_weekday=true, $short_months=false, $server_time="" ) {
- global $DATE_FORMAT, $TZ_OFFSET;
- if ( strlen ( $indate ) == 0 ) {
- $indate = date ( "Ymd" );
- }
- $newdate = $indate;
- if ( $server_time != "" && $server_time >= 0 ) {
- $y = substr ( $indate, 0, 4 );
- $m = substr ( $indate, 4, 2 );
- $d = substr ( $indate, 6, 2 );
- if ( $server_time + $TZ_OFFSET * 10000 > 240000 ) {
- $newdate = date ( "Ymd", mktime ( 3, 0, 0, $m, $d + 1, $y ) );
- } else if ( $server_time + $TZ_OFFSET * 10000 < 0 ) {
- $newdate = date ( "Ymd", mktime ( 3, 0, 0, $m, $d - 1, $y ) );
- }
- }
- // if they have not set a preference yet...
- if ( $DATE_FORMAT == "" )
- $DATE_FORMAT = "__month__ __dd__, __yyyy__";
- if ( empty ( $format ) )
- $format = $DATE_FORMAT;
- $y = (int) ( $newdate / 10000 );
- $m = (int) ( $newdate / 100 ) % 100;
- $d = $newdate % 100;
- $date = mktime ( 3, 0, 0, $m, $d, $y );
- $wday = strftime ( "%w", $date );
- if ( $short_months ) {
- $weekday = weekday_short_name ( $wday );
- $month = month_short_name ( $m - 1 );
- } else {
- $weekday = weekday_name ( $wday );
- $month = month_name ( $m - 1 );
- }
- $yyyy = $y;
- $yy = sprintf ( "%02d", $y %= 100 );
- $ret = $format;
- $ret = str_replace ( "__yyyy__", $yyyy, $ret );
- $ret = str_replace ( "__yy__", $yy, $ret );
- $ret = str_replace ( "__month__", $month, $ret );
- $ret = str_replace ( "__mon__", $month, $ret );
- $ret = str_replace ( "__dd__", $d, $ret );
- $ret = str_replace ( "__mm__", $m, $ret );
- if ( $show_weekday )
- return "$weekday, $ret";
- else
- return $ret;
- }
- /**
- * Converts a hexadecimal digit to an integer.
- *
- * @param string $val Hexadecimal digit
- *
- * @return int Equivalent integer in base-10
- *
- * @ignore
- */
- function hextoint ( $val ) {
- if ( empty ( $val ) )
- return 0;
- switch ( strtoupper ( $val ) ) {
- case "0": return 0;
- case "1": return 1;
- case "2": return 2;
- case "3": return 3;
- case "4": return 4;
- case "5": return 5;
- case "6": return 6;
- case "7": return 7;
- case "8": return 8;
- case "9": return 9;
- case "A": return 10;
- case "B": return 11;
- case "C": return 12;
- case "D": return 13;
- case "E": return 14;
- case "F": return 15;
- }
- return 0;
- }
- /**
- * Extracts a user's name from a session id.
- *
- * This prevents users from begin able to edit their cookies.txt file and set
- * the username in plain text.
- *
- * @param string $instr A hex-encoded string. "Hello" would be "678ea786a5".
- *
- * @return string The decoded string
- *
- * @global array Array of offsets
- *
- * @see encode_string
- */
- function decode_string ( $instr ) {
- global $offsets;
- //echo "<br />\nDECODE<br />\n";
- $orig = "";
- for ( $i = 0; $i < strlen ( $instr ); $i += 2 ) {
- //echo "<br />\n";
- $ch1 = substr ( $instr, $i, 1 );
- $ch2 = substr ( $instr, $i + 1, 1 );
- $val = hextoint ( $ch1 ) * 16 + hextoint ( $ch2 );
- //echo "decoding \"" . $ch1 . $ch2 . "\" = $val<br />\n";
- $j = ( $i / 2 ) % count ( $offsets );
- //echo "Using offsets $j = " . $offsets[$j] . "<br />\n";
- $newval = $val - $offsets[$j] + 256;
- $newval %= 256;
- //echo " neval \"$newval\"<br />\n";
- $dec_ch = chr ( $newval );
- //echo " which is \"$dec_ch\"<br />\n";
- $orig .= $dec_ch;
- }
- //echo "Decode string: '$orig' <br/>\n";
- return $orig;
- }
- /**
- * Takes an input string and encode it into a slightly encoded hexval that we
- * can use as a session cookie.
- *
- * @param string $instr Text to encode
- *
- * @return string The encoded text
- *
- * @global array Array of offsets
- *
- * @see decode_string
- */
- function encode_string ( $instr ) {
- global $offsets;
- //echo "<br />\nENCODE<br />\n";
- $ret = "";
- for ( $i = 0; $i < strlen ( $instr ); $i++ ) {
- //echo "<br />\n";
- $ch1 = substr ( $instr, $i, 1 );
- $val = ord ( $ch1 );
- //echo "val = $val for \"$ch1\"<br />\n";
- $j = $i % count ( $offsets );
- //echo "Using offsets $j = $offsets[$j]<br />\n";
- $newval = $val + $offsets[$j];
- $newval %= 256;
- //echo "newval = $newval for \"$ch1\"<br />\n";
- $ret .= bin2hex ( chr ( $newval ) );
- }
- return $ret;
- }
- /**
- * An implementatin of array_splice() for PHP3.
- *
- * @param array $input Array to be spliced into
- * @param int $offset Where to begin the splice
- * @param int $length How long the splice should be
- * @param array $replacement What to splice in
- *
- * @ignore
- */
- function my_array_splice(&$input,$offset,$length,$replacement) {
- if ( floor(phpversion()) < 4 ) {
- // if offset is negative, then it starts at the end of array
- if ( $offset < 0 )
- $offset = count($input) + $offset;
- for ($i=0;$i<$offset;$i++) {
- $new_array[] = $input[$i];
- }
- // if we have a replacement, insert it
- for ($i=0;$i<count($replacement);$i++) {
- $new_array[] = $replacement[$i];
- }
- // now tack on the rest of the original array
- for ($i=$offset+$length;$i<count($input);$i++) {
- $new_array[] = $input[$i];
- }
- $input = $new_array;
- } else {
- array_splice($input,$offset,$length,$replacement);
- }
- }
- /**
- * Loads current user's category info and stuff it into category global
- * variable.
- *
- * @param string $ex_global Don't include global categories ('' or '1')
- */
- function load_user_categories ($ex_global = '') {
- global $login, $user, $is_assistant;
- global $categories, $category_owners;
- global $categories_enabled, $is_admin;
- $cat_owner = ( ( ! empty ( $user ) && strlen ( $user ) ) && ( $is_assistant ||
- $is_admin ) ) ? $user : $login;
- $categories = array ();
- $category_owners = array ();
- if ( $categories_enabled == "Y" ) {
- $sql = "SELECT cat_id, cat_name, cat_owner FROM webcal_categories WHERE ";
- $sql .= ($ex_global == '') ? " (cat_owner = '$cat_owner') OR (cat_owner IS NULL) ORDER BY cat_owner, cat_name" : " cat_owner = '$cat_owner' ORDER BY cat_name";
- $res = dbi_query ( $sql );
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- $cat_id = $row[0];
- $categories[$cat_id] = $row[1];
- $category_owners[$cat_id] = $row[2];
- }
- dbi_free_result ( $res );
- }
- } else {
- //echo "Categories disabled.";
- }
- }
- /**
- * Prints dropdown HTML for categories.
- *
- * @param string $form The page to submit data to (without .php)
- * @param string $date Date in YYYYMMDD format
- * @param int $cat_id Category id that should be pre-selected
- */
- function print_category_menu ( $form, $date = '', $cat_id = '' ) {
- global $categories, $category_owners, $user, $login;
- echo "<form action=\"{$form}.php\" method=\"get\" name=\"SelectCategory\" class=\"categories\">\n";
- if ( ! empty($date) ) echo "<input type=\"hidden\" name=\"date\" value=\"$date\" />\n";
- if ( ! empty ( $user ) && $user != $login )
- echo "<input type=\"hidden\" name=\"user\" value=\"$user\" />\n";
- echo translate ("Category") . ": <select name=\"cat_id\" onchange=\"document.SelectCategory.submit()\">\n";
- echo "<option value=\"\"";
- if ( $cat_id == '' ) echo " selected=\"selected\"";
- echo ">" . translate("All") . "</option>\n";
- $cat_owner = ( ! empty ( $user ) && strlen ( $user ) ) ? $user : $login;
- if ( is_array ( $categories ) ) {
- foreach ( $categories as $K => $V ){
- if ( $cat_owner ||
- empty ( $category_owners[$K] ) ) {
- echo "<option value=\"$K\"";
- if ( $cat_id == $K ) echo " selected=\"selected\"";
- echo ">$V</option>\n";
- }
- }
- }
- echo "</select>\n";
- echo "</form>\n";
- echo "<span id=\"cat\">" . translate ("Category") . ": ";
- echo ( strlen ( $cat_id ) ? $categories[$cat_id] : translate ('All') ) . "</span>\n";
- }
- /**
- * Converts HTML entities in 8bit.
- *
- * <b>Note:</b> Only supported for PHP4 (not PHP3).
- *
- * @param string $html HTML text
- *
- * @return string The converted text
- */
- function html_to_8bits ( $html ) {
- if ( floor(phpversion()) < 4 ) {
- return $html;
- } else {
- return strtr ( $html, array_flip (
- get_html_translation_table (HTML_ENTITIES) ) );
- }
- }
- // ***********************************************************************
- // Functions for getting information about boss and their assistant.
- // ***********************************************************************
- /**
- * Gets a list of an assistant's boss from the webcal_asst table.
- *
- * @param string $assistant Login of assistant
- *
- * @return array Array of bosses, where each boss is an array with the following
- * fields:
- * - <var>cal_login</var>
- * - <var>cal_fullname</var>
- */
- function user_get_boss_list ( $assistant ) {
- global $bosstemp_fullname;
- $res = dbi_query (
- "SELECT cal_boss " .
- "FROM webcal_asst " .
- "WHERE cal_assistant = '$assistant'" );
- $count = 0;
- $ret = array ();
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- user_load_variables ( $row[0], "bosstemp_" );
- $ret[$count++] = array (
- "cal_login" => $row[0],
- "cal_fullname" => $bosstemp_fullname
- );
- }
- dbi_free_result ( $res );
- }
- return $ret;
- }
- /**
- * Is this user an assistant of this boss?
- *
- * @param string $assistant Login of potential assistant
- * @param string $boss Login of potential boss
- *
- * @return bool True or false
- */
- function user_is_assistant ( $assistant, $boss ) {
- $ret = false;
- if ( empty ( $boss ) )
- return false;
- $res = dbi_query ( "SELECT * FROM webcal_asst " .
- "WHERE cal_assistant = '$assistant' AND cal_boss = '$boss'" );
- if ( $res ) {
- if ( dbi_fetch_row ( $res ) )
- $ret = true;
- dbi_free_result ( $res );
- }
- return $ret;
- }
- /**
- * Is this user an assistant?
- *
- * @param string $assistant Login for user
- *
- * @return bool true if the user is an assistant to one or more bosses
- */
- function user_has_boss ( $assistant ) {
- $ret = false;
- $res = dbi_query ( "SELECT * FROM webcal_asst " .
- "WHERE cal_assistant = '$assistant'" );
- if ( $res ) {
- if ( dbi_fetch_row ( $res ) )
- $ret = true;
- dbi_free_result ( $res );
- }
- return $ret;
- }
- /**
- * Checks the boss user preferences to see if the boss wants to be notified via
- * email on changes to their calendar.
- *
- * @param string $assistant Assistant login
- * @param string $boss Boss login
- *
- * @return bool True if the boss wants email notifications
- */
- function boss_must_be_notified ( $assistant, $boss ) {
- if (user_is_assistant ( $assistant, $boss ) )
- return ( get_pref_setting ( $boss, "EMAIL_ASSISTANT_EVENTS" )=="Y" ? true : false );
- return true;
- }
- /**
- * Checks the boss user preferences to see if the boss must approve events
- * added to their calendar.
- *
- * @param string $assistant Assistant login
- * @param string $boss Boss login
- *
- * @return bool True if the boss must approve new events
- */
- function boss_must_approve_event ( $assistant, $boss ) {
- if (user_is_assistant ( $assistant, $boss ) )
- return ( get_pref_setting ( $boss, "APPROVE_ASSISTANT_EVENT" )=="Y" ? true : false );
- return true;
- }
- /**
- * Fakes an email for testing purposes.
- *
- * @param string $mailto Email address to send mail to
- * @param string $subj Subject of email
- * @param string $text Email body
- * @param string $hdrs Other email headers
- *
- * @ignore
- */
- function fake_mail ( $mailto, $subj, $text, $hdrs ) {
- echo "To: $mailto <br />\n" .
- "Subject: $subj <br />\n" .
- nl2br ( $hdrs ) . "<br />\n" .
- nl2br ( $text );
- }
- /**
- * Prints all the entries in a time bar format for the specified user for the
- * specified date.
- *
- * If we are displaying data from someone other than the logged in user, then
- * check the access permission of the entry.
- *
- * @param string $date Date in YYYYMMDD format
- * @param string $user Username
- * @param bool $ssi Should we not include links to add new events?
- */
- function print_date_entries_timebar ( $date, $user, $ssi ) {
- global $events, $readonly, $is_admin,
- $public_access, $public_access_can_add;
- $cnt = 0;
- $get_unapproved = ( $GLOBALS["DISPLAY_UNAPPROVED"] == "Y" );
- // public access events always must be approved before being displayed
- if ( $GLOBALS["login"] == "__public__" )
- $get_unapproved = false;
- $year = substr ( $date, 0, 4 );
- $month = substr ( $date, 4, 2 );
- $day = substr ( $date, 6, 2 );
-
- $dateu = mktime ( 3, 0, 0, $month, $day, $year );
- $can_add = ( $readonly == "N" || $is_admin );
- if ( $public_access == "Y" && $public_access_can_add != "Y" &&
- $GLOBALS["login"] == "__public__" )
- $can_add = false;
- // get all the repeating events for this date and store in array $rep
- $rep = get_repeating_entries ( $user, $date ) ;
- $cur_rep = 0;
- // get all the non-repeating events for this date and store in $ev
- $ev = get_entries ( $user, $date, $get_unapproved );
- for ( $i = 0; $i < count ( $ev ); $i++ ) {
- // print out any repeating events that are before this one...
- while ( $cur_rep < count ( $rep ) &&
- $rep[$cur_rep]['cal_time'] < $ev[$i]['cal_time'] ) {
- if ( $get_unapproved || $rep[$cur_rep]['cal_status'] == 'A' ) {
- print_entry_timebar ( $rep[$cur_rep]['cal_id'],
- $date, $rep[$cur_rep]['cal_time'], $rep[$cur_rep]['cal_duration'],
- $rep[$cur_rep]['cal_name'], $rep[$cur_rep]['cal_description'],
- $rep[$cur_rep]['cal_status'], $rep[$cur_rep]['cal_priority'],
- $rep[$cur_rep]['cal_access'], $rep[$cur_rep]['cal_login'],
- $rep[$cur_rep]['cal_category'] );
- $cnt++;
- }
- $cur_rep++;
- }
- if ( $get_unapproved || $ev[$i]['cal_status'] == 'A' ) {
- print_entry_timebar ( $ev[$i]['cal_id'],
- $date, $ev[$i]['cal_time'], $ev[$i]['cal_duration'],
- $ev[$i]['cal_name'], $ev[$i]['cal_description'],
- $ev[$i]['cal_status'], $ev[$i]['cal_priority'],
- $ev[$i]['cal_access'], $ev[$i]['cal_login'],
- $ev[$i]['cal_category'] );
- $cnt++;
- }
- }
- // print out any remaining repeating events
- while ( $cur_rep < count ( $rep ) ) {
- if ( $get_unapproved || $rep[$cur_rep]['cal_status'] == 'A' ) {
- print_entry_timebar ( $rep[$cur_rep]['cal_id'],
- $date, $rep[$cur_rep]['cal_time'], $rep[$cur_rep]['cal_duration'],
- $rep[$cur_rep]['cal_name'], $rep[$cur_rep]['cal_description'],
- $rep[$cur_rep]['cal_status'], $rep[$cur_rep]['cal_priority'],
- $rep[$cur_rep]['cal_access'], $rep[$cur_rep]['cal_login'],
- $rep[$cur_rep]['cal_category'] );
- $cnt++;
- }
- $cur_rep++;
- }
- if ( $cnt == 0 )
- echo " "; // so the table cell has at least something
- }
- /**
- * Prints the HTML for an events with a timebar.
- *
- * @param int $id Event id
- * @param string $date Date of event in YYYYMMDD format
- * @param string $time Time of event in HHMM format
- * @param int $duration Duration of event in minutes
- * @param string $name Brief description of event
- * @param string $description Full description of event
- * @param string $status Status of event ('A', 'W')
- * @param int $pri Priority of event
- * @param string $access Access to event by others ('P', 'R')
- * @param string $event_owner User who created event
- * @param int $event_category Category id for event
- *
- * @staticvar int Used to ensure all event popups have a unique id
- */
- function print_entry_timebar ( $id, $date, $time, $duration,
- $name, $description, $status,
- $pri, $access, $event_owner, $event_category=-1 ) {
- global $eventinfo, $login, $user, $PHP_SELF, $prefarray;
- static $key = 0;
- $insidespan = false;
- global $layers;
- // compute time offsets in % of total table width
- $day_start=$prefarray["WORK_DAY_START_HOUR"] * 60;
- if ( $day_start == 0 ) $day_start = 9*60;
- $day_end=$prefarray["WORK_DAY_END_HOUR"] * 60;
- if ( $day_end == 0 ) $day_end = 19*60;
- if ( $day_end <= $day_start ) $day_end = $day_start + 60; //avoid exceptions
- if ($time >= 0) {
- $bar_units= 100/(($day_end - $day_start)/60) ; // Percentage each hour occupies
- $ev_start = round((floor(($time/10000) - ($day_start/60)) + (($time/100)%100)/60) * $bar_units);
- }else{
- $ev_start= 0;
- }
- if ($ev_start < 0) $ev_start = 0;
- if ($duration > 0) {
- $ev_duration = round(100 * $duration / ($day_end - $day_start)) ;
- if ($ev_start + $ev_duration > 100 ) {
- $ev_duration = 100 - $ev_start;
- }
- } else {
- if ($time >= 0) {
- $ev_duration = 1;
- } else {
- $ev_duration=100-$ev_start;
- }
- }
- $ev_padding = 100 - $ev_start - $ev_duration;
- // choose where to position the text (pos=0->before,pos=1->on,pos=2->after)
- if ($ev_duration > 20) { $pos = 1; }
- elseif ($ev_padding > 20) { $pos = 2; }
- else { $pos = 0; }
-
- echo "\n<!-- ENTRY BAR -->\n<table class=\"entrycont\" cellpadding=\"0\" cellspacing=\"0\">\n";
- echo "<tr>\n";
- echo ($ev_start > 0 ? "<td style=\"text-align:right; width:$ev_start%;\">" : "" );
- if ( $pos > 0 ) {
- echo ($ev_start > 0 ? " </td>\n": "" ) ;
- echo "<td style=\"width:$ev_duration%;\">\n<table class=\"entrybar\">\n<tr>\n<td class=\"entry\">";
- if ( $pos > 1 ) {
- echo ($ev_padding > 0 ? " </td>\n": "" ) . "</tr>\n</table></td>\n";
- echo ($ev_padding > 0 ? "<td style=\"text-align:left; width:$ev_padding%;\">" : "");
- }
- };
- if ( $login != $event_owner && strlen ( $event_owner ) ) {
- $class = "layerentry";
- } else {
- $class = "entry";
- if ( $status == "W" ) $class = "unapprovedentry";
- }
- // if we are looking at a view, then always use "entry"
- if ( strstr ( $PHP_SELF, "view_m.php" ) ||
- strstr ( $PHP_SELF, "view_w.php" ) ||
- strstr ( $PHP_SELF, "view_v.php" ) ||
- strstr ( $PHP_SELF, "view_t.php" ) )
- $class = "entry";
- if ( $pri == 3 ) echo "<strong>";
- $popupid = "eventinfo-$id-$key";
- $key++;
- echo "<a class=\"$class\" href=\"view_entry.php?id=$id&date=$date";
- if ( strlen ( $user ) > 0 )
- echo "&user=" . $user;
- echo "\" onmouseover=\"window.status='" .
- translate("View this entry") . "'; show(event, '$popupid'); return true;\" onmouseout=\"hide('$popupid'); return true;\">";
- if ( $login != $event_owner && strlen ( $event_owner ) ) {
- if ($layers) foreach ($layers as $layer) {
- if($layer['cal_layeruser'] == $event_owner) {
- $insidespan = true;
- echo("<span style=\"color:" . $layer['cal_color'] . ";\">");
- }
- }
- }
- echo "[$event_owner] ";
- $timestr = "";
- if ( $duration == ( 24 * 60 ) ) {
- $timestr = translate("All day event");
- } else if ( $time >= 0 ) {
- $timestr = display_time ( $time );
- if ( $duration > 0 ) {
- // calc end time
- $h = (int) ( $time / 10000 );
- $m = ( $time / 100 ) % 100;
- $m += $duration;
- $d = $duration;
- while ( $m >= 60 ) {
- $h++;
- $m -= 60;
- }
- $end_time = sprintf ( "%02d%02d00", $h, $m );
- $timestr .= " - " . display_time ( $end_time );
- }
- }
- if ( $login != $user && $access == 'R' && strlen ( $user ) )
- echo "(" . translate("Private") . ")";
- else
- if ( $login != $event_owner && $access == 'R' && strlen ( $event_owner ) )
- echo "(" . translate("Private") . ")";
- else
- if ( $login != $event_owner && strlen ( $event_owner ) )
- {
- echo htmlspecialchars ( $name );
- if ( $insidespan ) { echo ("</span>"); } //end color span
- }
- else
- echo htmlspecialchars ( $name );
- echo "</a>";
- if ( $pri == 3 ) echo "</strong>"; //end font-weight span
- echo "</td>\n";
- if ( $pos < 2 ) {
- if ( $pos < 1 ) {
- echo "<td style=\"width:$ev_duration%;\"><table class=\"entrybar\">\n<tr>\n<td class=\"entry\"> </td>\n";
- }
- echo "</tr>\n</table></td>\n";
- echo ($ev_padding > 0 ? "<td style=\"text-align:left; width:$ev_padding%;\"> </td>\n" : "" );
- }
- echo "</tr>\n</table>\n";
- if ( $login != $user && $access == 'R' && strlen ( $user ) )
- $eventinfo .= build_event_popup ( $popupid, $event_owner,
- translate("This event is confidential"), "" );
- else
- if ( $login != $event_owner && $access == 'R' && strlen ( $event_owner ) )
- $eventinfo .= build_event_popup ( $popupid, $event_owner,
- translate("This event is confidential"), "" );
- else
- $eventinfo .= build_event_popup ( $popupid, $event_owner,
- $description, $timestr, site_extras_for_popup ( $id ) );
- }
- /**
- * Prints the header for the timebar.
- *
- * @param int $start_hour Start hour
- * @param int $end_hour End hour
- */
- function print_header_timebar($start_hour, $end_hour) {
- // sh+1 ... eh-1
- // +------+----....----+------+
- // | | | |
- // print hours
- if ( ($end_hour - $start_hour) == 0 )
- $offset = 0;
- else
- $offset = round(100/($end_hour - $start_hour));
- echo "\n<!-- TIMEBAR -->\n<table class=\"timebar\">\n<tr><td style=\"width:$offset%;\"> </td>\n";
- for ($i = $start_hour+1; $i < $end_hour; $i++) {
- // $prev_offset = $offset;
- // $offset = round(100/($end_hour - $start_hour)*($i - $start_hour + .5));
- $offset = round(100/($end_hour - $start_hour));
- $width = $offset;
- echo "<td style=\"width:$width%;text-align:left;\">$i</td>\n";
- }
- // $width = 100 - $offset;
- // echo "<td style=\"width:$width%;\"> </td>\n";
- echo "</tr>\n</table>\n<!-- /TIMEBAR -->\n";
-
- // print yardstick
- echo "\n<!-- YARDSTICK -->\n<table class=\"yardstick\">\n<tr>\n";
- $width = round(100/($end_hour - $start_hour));
- for ($i = $start_hour; $i < $end_hour; $i++) {
- echo "<td style=\"width:$width%;\"> </td>\n";
- }
- echo "</tr>\n</table>\n<!-- /YARDSTICK -->\n";
- }
- /**
- * Gets a list of nonuser calendars and return info in an array.
- *
- * @param string $user Login of admin of the nonuser calendars
- *
- * @return array Array of nonuser cals, where each is an array with the
- * following fields:
- * - <var>cal_login</var>
- * - <var>cal_lastname</var>
- * - <var>cal_firstname</var>
- * - <var>cal_admin</var>
- * - <var>cal_fullname</var>
- */
- function get_nonuser_cals ($user = '') {
- $count = 0;
- $ret = array ();
- $sql = "SELECT cal_login, cal_lastname, cal_firstname, " .
- "cal_admin FROM webcal_nonuser_cals ";
- if ($user != '') $sql .= "WHERE cal_admin = '$user' ";
- $sql .= "ORDER BY cal_lastname, cal_firstname, cal_login";
- $res = dbi_query ( $sql );
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- if ( strlen ( $row[1] ) || strlen ( $row[2] ) )
- $fullname = "$row[2] $row[1]";
- else
- $fullname = $row[0];
- $ret[$count++] = array (
- "cal_login" => $row[0],
- "cal_lastname" => $row[1],
- "cal_firstname" => $row[2],
- "cal_admin" => $row[3],
- "cal_fullname" => $fullname
- );
- }
- dbi_free_result ( $res );
- }
- return $ret;
- }
- /**
- * Loads nonuser variables (login, firstname, etc.).
- *
- * The following variables will be set:
- * - <var>login</var>
- * - <var>firstname</var>
- * - <var>lastname</var>
- * - <var>fullname</var>
- * - <var>admin</var>
- * - <var>email</var>
- *
- * @param string $login Login name of nonuser calendar
- * @param string $prefix Prefix to use for variables that will be set.
- * For example, if prefix is "temp", then the login will
- * be stored in the <var>$templogin</var> global variable.
- */
- function nonuser_load_variables ( $login, $prefix ) {
- global $error,$nuloadtmp_email;
- $ret = false;
- $res = dbi_query ( "SELECT cal_login, cal_lastname, cal_firstname, " .
- "cal_admin FROM webcal_nonuser_cals WHERE cal_login = '$login'" );
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- if ( strlen ( $row[1] ) || strlen ( $row[2] ) )
- $fullname = "$row[2] $row[1]";
- else
- $fullname = $row[0];
- // We need the email address for the admin
- user_load_variables ( $row[3], 'nuloadtmp_' );
- $GLOBALS[$prefix . "login"] = $row[0];
- $GLOBALS[$prefix . "firstname"] = $row[2];
- $GLOBALS[$prefix . "lastname"] = $row[1];
- $GLOBALS[$prefix . "fullname"] = $fullname;
- $GLOBALS[$prefix . "admin"] = $row[3];
- $GLOBALS[$prefix . "email"] = $nuloadtmp_email;
- $ret = true;
- }
- dbi_free_result ( $res );
- }
- return $ret;
- }
- /**
- * Checks the webcal_nonuser_cals table to determine if the user is the
- * administrator for the nonuser calendar.
- *
- * @param string $login Login of user that is the potential administrator
- * @param string $nonuser Login name for nonuser calendar
- *
- * @return bool True if the user is the administrator for the nonuser calendar
- */
- function user_is_nonuser_admin ( $login, $nonuser ) {
- $ret = false;
- $res = dbi_query ( "SELECT * FROM webcal_nonuser_cals " .
- "WHERE cal_login = '$nonuser' AND cal_admin = '$login'" );
- if ( $res ) {
- if ( dbi_fetch_row ( $res ) )
- $ret = true;
- dbi_free_result ( $res );
- }
- return $ret;
- }
- /**
- * Loads nonuser preferences from the webcal_user_pref table if on a nonuser
- * admin page.
- *
- * @param string $nonuser Login name for nonuser calendar
- */
- function load_nonuser_preferences ($nonuser) {
- global $prefarray;
- $res = dbi_query (
- "SELECT cal_setting, cal_value FROM webcal_user_pref " .
- "WHERE cal_login = '$nonuser'" );
- if ( $res ) {
- while ( $row = dbi_fetch_row ( $res ) ) {
- $setting = $row[0];
- $value = $row[1];
- $sys_setting = "sys_" . $setting;
- // save system defaults
- // ** don't override ones set by load_user_prefs
- if ( ! empty ( $GLOBALS[$setting] ) && empty ( $GLOBALS["sys_" . $setting] ))
- $GLOBALS["sys_" . $setting] = $GLOBALS[$setting];
- $GLOBALS[$setting] = $value;
- $prefarray[$setting] = $value;
- }
- dbi_free_result ( $res );
- }
- }
- /**
- * Determines what the day is after the <var>$TZ_OFFSET</var> and sets it globally.
- *
- * The following global variables will be set:
- * - <var>$thisyear</var>
- * - <var>$thismonth</var>
- * - <var>$thisday</var>
- * - <var>$thisdate</var>
- * - <var>$today</var>
- *
- * @param string $date The date in YYYYMMDD format
- */
- function set_today($date) {
- global $thisyear, $thisday, $thismonth, $thisdate, $today;
- global $TZ_OFFSET, $month, $day, $year, $thisday;
- // Adjust for TimeZone
- $today = time() + ($TZ_OFFSET * 60 * 60);
- if ( ! empty ( $date ) && ! empty ( $date ) ) {
- $thisyear = substr ( $date, 0, 4 );
- $thismonth = substr ( $date, 4, 2 );
- $thisday = substr ( $date, 6, 2 );
- } else {
- if ( empty ( $month ) || $month == 0 )
- $thismonth = date("m", $today);
- else
- $thismonth = $month;
- if ( empty ( $year ) || $year == 0 )
- $thisyear = date("Y", $today);
- else
- $thisyear = $year;
- if ( empty ( $day ) || $day == 0 )
- $thisday = date("d", $today);
- else
- $thisday = $day;
- }
- $thisdate = sprintf ( "%04d%02d%02d", $thisyear, $thismonth, $thisday );
- }
- /**
- * Converts from Gregorian Year-Month-Day to ISO YearNumber-WeekNumber-WeekDay.
- *
- * @internal JGH borrowed gregorianToISO from PEAR Date_Calc Class and added
- * $GLOBALS["WEEK_START"] (change noted)
- *
- * @param int $day Day of month
- * @param int $month Number of month
- * @param int $year Year
- *
- * @return string Date in ISO YearNumber-WeekNumber-WeekDay format
- *
- * @ignore
- */
- function gregorianToISO($day,$month,$year) {
- $mnth = array (0,31,59,90,120,151,181,212,243,273,304,334);
- $y_isleap = isLeapYear($year);
- $y_1_isleap = isLeapYear($year - 1);
- $day_of_year_number = $day + $mnth[$month - 1];
- if ($y_isleap && $month > 2) {
- $day_of_year_number++;
- }
- // find Jan 1 weekday (monday = 1, sunday = 7)
- $yy = ($year - 1) % 100;
- $c = ($year - 1) - $yy;
- $g = $yy + intval($yy/4);
- $jan1_weekday = 1 + intval((((($c / 100) % 4) * 5) + $g) % 7);
- // JGH added next if/else to compensate for week begins on Sunday
- if (! $GLOBALS["WEEK_START"] && $jan1_weekday < 7) {
- $jan1_weekday++;
- } elseif (! $GLOBALS["WEEK_START"] && $jan1_weekday == 7) {
- $jan1_weekday=1;
- }
- // weekday for year-month-day
- $h = $day_of_year_number + ($jan1_weekday - 1);
- $weekday = 1 + intval(($h - 1) % 7);
- // find if Y M D falls in YearNumber Y-1, WeekNumber 52 or
- if ($day_of_year_number <= (8 - $jan1_weekday) && $jan1_weekday > 4){
- $yearnumber = $year - 1;
- if ($jan1_weekday == 5 || ($jan1_weekday == 6 && $y_1_isleap)) {
- $weeknumber = 53;
- } else {
- $weeknumber = 52;
- }
- } else {
- $yearnumber = $year;
- }
- // find if Y M D falls in YearNumber Y+1, WeekNumber 1
- if ($yearnumber == $year) {
- if ($y_isleap) {
- $i = 366;
- } else {
- $i = 365;
- }
- if (($i - $day_of_year_number) < (4 - $weekday)) {
- $yearnumber++;
- $weeknumber = 1;
- }
- }
- // find if Y M D falls in YearNumber Y, WeekNumber 1 through 53
- if ($yearnumber == $year) {
- $j = $day_of_year_number + (7 - $weekday) + ($jan1_weekday - 1);
- $weeknumber = intval($j / 7);
- if ($jan1_weekday > 4) {
- $weeknumber--;
- }
- }
- // put it all together
- if ($weeknumber < 10)
- $weeknumber = '0'.$weeknumber;
- return "{$yearnumber}-{$weeknumber}-{$weekday}";
- }
- /**
- * Is this a leap year?
- *
- * @internal JGH Borrowed isLeapYear from PEAR Date_Calc Class
- *
- * @param int $year Year
- *
- * @return bool True for a leap year, else false
- *
- * @ignore
- */
- function isLeapYear($year='') {
- if (empty($year)) $year = strftime("%Y",time());
- if (strlen($year) != 4) return false;
- if (preg_match('/\D/',$year)) return false;
- return (($year % 4 == 0 && $year % 100 != 0) || $year % 400 == 0);
- }
- /**
- * Replaces unsafe characters with HTML encoded equivalents.
- *
- * @param string $value Input text
- *
- * @return string The cleaned text
- */
- function clean_html($value){
- $value = htmlspecialchars($value, ENT_QUOTES);
- $value = strtr($value, array(
- '(' => '(',
- ')' => ')'
- ));
- return $value;
- }
- /**
- * Removes non-word characters from the specified text.
- *
- * @param string $data Input text
- *
- * @return string The converted text
- */
- function clean_word($data) {
- return preg_replace("/\W/", '', $data);
- }
- /**
- * Removes non-digits from the specified text.
- *
- * @param string $data Input text
- *
- * @return string The converted text
- */
- function clean_int($data) {
- return preg_replace("/\D/", '', $data);
- }
- /**
- * Removes whitespace from the specified text.
- *
- * @param string $data Input text
- *
- * @return string The converted text
- */
- function clean_whitespace($data) {
- return preg_replace("/\s/", '', $data);
- }
- /**
- * Converts language names to their abbreviation.
- *
- * @param string $name Name of the language (such as "French")
- *
- * @return string The abbreviation ("fr" for "French")
- */
- function languageToAbbrev ( $name ) {
- global $browser_languages;
- foreach ( $browser_languages as $abbrev => $langname ) {
- if ( $langname == $name )
- return $abbrev;
- }
- return false;
- }
- /**
- * Creates the CSS for using gradient.php, if the appropriate GD functions are
- * available.
- *
- * A one-pixel wide image will be used for the background image.
- *
- * <b>Note:</b> The gd library module needs to be available to use gradient
- * images. If it is not available, a single background color will be used
- * instead.
- *
- * @param string $color Base color
- * @param int $height Height of gradient image
- * @param int $percent How many percent lighter the top color should be
- * than the base color at the bottom of the image
- *
- * @return string The style sheet text to use
- */
- function background_css ( $color, $height = '', $percent = '' ) {
- $ret = '';
- if ( ( function_exists ( 'imagepng' ) || function_exists ( 'imagegif' ) )
- && ( empty ( $GLOBALS['enable_gradients'] ) ||
- $GLOBALS['enable_gradients'] == 'Y' ) ) {
- $ret = "background: $color url(\"gradient.php?base=" . substr ( $color, 1 );
- if ( $height != '' ) {
- $ret .= "&height=$height";
- }
- if ( $percent != '' ) {
- $ret .= "&percent=$percent";
- }
- $ret .= "\") repeat-x;\n";
- } else {
- $ret = "background-color: $color;\n";
- }
- return $ret;
- }
- /**
- * Draws a daily outlook style availability grid showing events that are
- * approved and awaiting approval.
- *
- * @param string $date Date to show the grid for
- * @param array $participants Which users should be included in the grid
- * @param string $popup Not used
- */
- function daily_matrix ( $date, $participants, $popup = '' ) {
- global $CELLBG, $TODAYCELLBG, $THFG, $THBG, $TABLEBG;
- global $user_fullname, $repeated_events, $events;
- global $WORK_DAY_START_HOUR, $WORK_DAY_END_HOUR, $TZ_OFFSET,$ignore_offset;
- $increment = 15;
- $interval = 4;
- $participant_pct = '20%'; //use percentage
- $first_hour = $WORK_DAY_START_HOUR;
- $last_hour = $WORK_DAY_END_HOUR;
- $hours = $last_hour - $first_hour;
- $cols = (($hours * $interval) + 1);
- $total_pct = '80%';
- $cell_pct = 80 /($hours * $interval);
- $master = array();
- // Build a master array containing all events for $participants
- for ( $i = 0; $i < count ( $participants ); $i++ ) {
- /* Pre-Load the repeated events for quckier access */
- $repeated_events = read_repeated_events ( $participants[$i], "", $date );
- /* Pre-load the non-repeating events for quicker access */
- $events = read_events ( $participants[$i], $date, $date );
- // get all the repeating events for this date and store in array $rep
- $rep = get_repeating_entries ( $participants[$i], $date );
- // get all the non-repeating events for this date and store in $ev
- $ev = get_entries ( $participants[$i], $date );
- // combine into a single array for easy processing
- $ALL = array_merge ( $rep, $ev );
- foreach ( $ALL as $E ) {
- if ($E['cal_time'] == 0) {
- $E['cal_time'] = $first_hour."0000";
- $E['cal_duration'] = 60 * ( $last_hour - $first_hour );
- } else {
- $E['cal_time'] = sprintf ( "%06d", $E['cal_time']);
- }
- $hour = substr($E['cal_time'], 0, 2 );
- $mins = substr($E['cal_time'], 2, 2 );
-
- // Timezone Offset
- if ( ! $ignore_offset ) $hour += $TZ_OFFSET;
- while ( $hour < 0 ) $hour += 24;
- while ( $hour > 23 ) $hour -= 24;
- // Make sure hour is 2 digits
- $hour = sprintf ( "%02d",$hour);
- // convert cal_time to slot
- if ($mins < 15) {
- $slot = $hour.'';
- } elseif ($mins >= 15 && $mins < 30) {
- $slot = $hour.'.25';
- } elseif ($mins >= 30 && $mins < 45) {
- $slot = $hour.'.5';
- } elseif ($mins >= 45) {
- $slot = $hour.'.75';
- }
- // convert cal_duration to bars
- $bars = $E['cal_duration'] / $increment;
- // never replace 'A' with 'W'
- for ($q = 0; $bars > $q; $q++) {
- $slot = sprintf ("%02.2f",$slot);
- if (strlen($slot) == 4) $slot = '0'.$slot; // add leading zeros
- $slot = $slot.''; // convert to a string
- if ( empty ( $master['_all_'][$slot] ) ||
- $master['_all_'][$slot]['stat'] != 'A') {
- $master['_all_'][$slot]['stat'] = $E['cal_status'];
- }
- if ( empty ( $master[$participants[$i]][$slot] ) ||
- $master[$participants[$i]][$slot]['stat'] != 'A' ) {
- $master[$participants[$i]][$slot]['stat'] = $E['cal_status'];
- $master[$participants[$i]][$slot]['ID'] = $E['cal_id'];
- }
- $slot = $slot + '0.25';
- }
- }
- }
- ?>
- <br />
- <table align="center" class="matrixd" style="width:<?php echo $total_pct;?>;" cellspacing="0" cellpadding="0">
- <tr><td class="matrix" colspan="<?php echo $cols;?>"></td></tr>
- <tr><th style="width:<?php echo $participant_pct;?>;">
- <?php etranslate("Participants");?></th>
- <?php
- $str = '';
- $MouseOut = "onmouseout=\"window.status=''; this.style.backgroundColor='".$THBG."';\"";
- $CC = 1;
- for($i=$first_hour;$i<$last_hour;$i++) {
- $hour = $i;
- if ( $GLOBALS["TIME_FORMAT"] == "12" ) {
- $hour %= 12;
- if ( $hour == 0 ) $hour = 12;
- }
- for($j=0;$j<$interval;$j++) {
- $str .= ' <td id="C'.$CC.'" class="dailymatrix" ';
- $MouseDown = 'onmousedown="schedule_event('.$i.','.sprintf ("%02d",($increment * $j)).');"';
- switch($j) {
- case 1:
- if($interval == 4) { $k = ($hour<=9?'0':substr($hour,0,1)); }
- $str .= 'style="width:'.$cell_pct.'%; text-align:right;" '.$MouseDown." onmouseover=\"window.status='Schedule a ".$hour.':'.($increment * $j<=9?'0':'').($increment * $j)." appointment.'; this.style.backgroundColor='#CCFFCC'; return true;\" ".$MouseOut." title=\"Schedule an appointment for ".$hour.':'.($increment * $j<=9?'0':'').($increment * $j).".\">";
- $str .= $k."</td>\n";
- break;
- case 2:
- if($interval == 4) { $k = ($hour<=9?substr($hour,0,1):substr($hour,1,2)); }
- $str .= 'style="width:'.$cell_pct.'%; text-align:left;" '.$MouseDown." onmouseover=\"window.status='Schedule a ".$hour.':'.($increment * $j)." appointment.'; this.style.backgroundColor='#CCFFCC'; return true;\" ".$MouseOut." title=\"Schedule an appointment for ".$hour.':'.($increment * $j<=9?'0':'').($increment * $j).".\">";
- $str .= $k."</td>\n";
- break;
- default:
- $str .= 'style="width:'.$cell_pct.'%;" '.$MouseDown." onmouseover=\"window.status='Schedule a ".$hour.':'.($increment * $j<=9?'0':'').($increment * $j)." appointment.'; this.style.backgroundColor='#CCFFCC'; return true;\" ".$MouseOut." title=\"Schedule an appointment for ".$hour.':'.($increment * $j<=9?'0':'').($increment * $j).".\">";
- $str .= " </td>\n";
- break;
- }
- $CC++;
- }
- }
- echo $str .
- "</tr>\n<tr><td class=\"matrix\" colspan=\"$cols\"></td></tr>\n";
- // Add user _all_ to beginning of $participants array
- array_unshift($participants, '_all_');
- // Javascript for cells
- $MouseOver = "onmouseover=\"this.style.backgroundColor='#CCFFCC';\"";
- $MouseOut = "onmouseout=\"this.style.backgroundColor='".$CELLBG."';\"";
- // Display each participant
- for ( $i = 0; $i < count ( $participants ); $i++ ) {
- if ($participants[$i] != '_all_') {
- // Load full name of user
- user_load_variables ( $participants[$i], "user_" );
-
- // exchange space for to keep from breaking
- $user_nospace = preg_replace ( '/\s/', ' ', $user_fullname );
- } else {
- $user_nospace = translate("All Attendees");
- $user_nospace = preg_replace ( '/\s/', ' ', $user_nospace );
- }
- echo "<tr>\n<th class=\"row\" style=\"width:{$participant_pct};\">".$user_nospace."</th>\n";
- $col = 1;
- $viewMsg = translate ( "View this entry" );
- // check each timebar
- for ( $j = $first_hour; $j < $last_hour; $j++ ) {
- for ( $k = 0; $k < $interval; $k++ ) {
- $border = ($k == '0') ? ' border-left: 1px solid #000000;' : "";
- $MouseDown = 'onmousedown="schedule_event('.$j.','.sprintf ("%02d",($increment * $k)).');"';
- $RC = $CELLBG;
- //$space = '';
- $space = " ";
- $r = sprintf ("%02d",$j) . '.' . sprintf ("%02d", (25 * $k)).'';
- if ( empty ( $master[$participants[$i]][$r] ) ) {
- // ignore this..
- } else if ( empty ( $master[$participants[$i]][$r]['ID'] ) ) {
- // This is the first line for 'all' users. No event here.
- $space = "<span class=\"matrix\"><img src=\"pix.gif\" alt=\"\" style=\"height: 8px\" /></span>";
- } else if ($master[$participants[$i]][$r]['stat'] == "A") {
- $space = "<a class=\"matrix\" href=\"view_entry.php?id={$master[$participants[$i]][$r]['ID']}\"><img src=\"pix.gif\" title=\"$viewMsg\" alt=\"$viewMsg\" /></a>";
- } else if ($master[$participants[$i]][$r]['stat'] == "W") {
- $space = "<a class=\"matrix\" href=\"view_entry.php?id={$master[$participants[$i]][$r]['ID']}\"><img src=\"pixb.gif\" title=\"$viewMsg\" alt=\"$viewMsg\" /></a>";
- }
- echo "<td class=\"matrixappts\" style=\"width:{$cell_pct}%;$border\" ";
- if ($space == " ") echo "$MouseDown $MouseOver $MouseOut";
- echo ">$space</td>\n";
- $col++;
- }
- }
-
- echo "</tr><tr>\n<td class=\"matrix\" colspan=\"$cols\">" .
- "<img src=\"pix.gif\" alt=\"-\" /></td></tr>\n";
- } // End foreach participant
-
- echo "</table><br />\n";
- $busy = translate ("Busy");
- $tentative = translate ("Tentative");
- echo "<table align=\"center\"><tr><td class=\"matrixlegend\" >\n";
- echo "<img src=\"pix.gif\" title=\"$busy\" alt=\"$busy\" /> $busy \n";
- echo "<img src=\"pixb.gif\" title=\"$tentative\" alt=\"$tentative\" /> $tentative\n";
- echo "</td></tr></table>\n";
- }
- /**
- * Return the time in HHMMSS format of input time + duration
- *
- *
- * <b>Note:</b> The gd library module needs to be available to use gradient
- * images. If it is not available, a single background color will be used
- * instead.
- *
- * @param string $time format "235900"
- * @param int $duration number of minutes
- *
- * @return string The time in HHMMSS format
- */
- function add_duration ( $time, $duration ) {
- $hour = (int) ( $time / 10000 );
- $min = ( $time / 100 ) % 100;
- $minutes = $hour * 60 + $min + $duration;
- $h = $minutes / 60;
- $m = $minutes % 60;
- $ret = sprintf ( "%d%02d00", $h, $m );
- //echo "add_duration ( $time, $duration ) = $ret <br />\n";
- return $ret;
- }
- ?>