/libraries/joomla/document/html/html.php
PHP | 710 lines | 480 code | 58 blank | 172 comment | 47 complexity | cfaa3b0b6e242e96f5a78a633cf55168 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1
- <?php
- /**
- * @package Joomla.Platform
- * @subpackage Document
- *
- * @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
- * @license GNU General Public License version 2 or later; see LICENSE
- */
- defined('JPATH_PLATFORM') or die;
- jimport('joomla.utilities.utility');
- /**
- * DocumentHTML class, provides an easy interface to parse and display a HTML document
- *
- * @package Joomla.Platform
- * @subpackage Document
- * @since 11.1
- */
- class JDocumentHTML extends JDocument
- {
- /**
- * Array of Header <link> tags
- *
- * @var array
- * @since 11.1
- */
- public $_links = array();
- /**
- * Array of custom tags
- *
- * @var array
- * @since 11.1
- */
- public $_custom = array();
- /**
- * Name of the template
- *
- * @var string
- * @since 11.1
- */
- public $template = null;
- /**
- * Base url
- *
- * @var string
- * @since 11.1
- */
- public $baseurl = null;
- /**
- * Array of template parameters
- *
- * @var array
- * @since 11.1
- */
- public $params = null;
- /**
- * File name
- *
- * @var array
- * @since 11.1
- */
- public $_file = null;
- /**
- * String holding parsed template
- *
- * @var string
- * @since 11.1
- */
- protected $_template = '';
- /**
- * Array of parsed template JDoc tags
- *
- * @var array
- * @since 11.1
- */
- protected $_template_tags = array();
- /**
- * Integer with caching setting
- *
- * @var integer
- * @since 11.1
- */
- protected $_caching = null;
- /**
- * Set to true when the document should be output as HTML5
- *
- * @var boolean
- * @since 12.1
- */
- private $_html5 = null;
- /**
- * Class constructor
- *
- * @param array $options Associative array of options
- *
- * @since 11.1
- */
- public function __construct($options = array())
- {
- parent::__construct($options);
- // Set document type
- $this->_type = 'html';
- // Set default mime type and document metadata (meta data syncs with mime type by default)
- $this->setMimeEncoding('text/html');
- }
- /**
- * Get the HTML document head data
- *
- * @return array The document head data in array form
- *
- * @since 11.1
- */
- public function getHeadData()
- {
- $data = array();
- $data['title'] = $this->title;
- $data['description'] = $this->description;
- $data['link'] = $this->link;
- $data['metaTags'] = $this->_metaTags;
- $data['links'] = $this->_links;
- $data['styleSheets'] = $this->_styleSheets;
- $data['style'] = $this->_style;
- $data['scripts'] = $this->_scripts;
- $data['script'] = $this->_script;
- $data['custom'] = $this->_custom;
- return $data;
- }
- /**
- * Set the HTML document head data
- *
- * @param array $data The document head data in array form
- *
- * @return JDocumentHTML instance of $this to allow chaining
- *
- * @since 11.1
- */
- public function setHeadData($data)
- {
- if (empty($data) || !is_array($data))
- {
- return;
- }
- $this->title = (isset($data['title']) && !empty($data['title'])) ? $data['title'] : $this->title;
- $this->description = (isset($data['description']) && !empty($data['description'])) ? $data['description'] : $this->description;
- $this->link = (isset($data['link']) && !empty($data['link'])) ? $data['link'] : $this->link;
- $this->_metaTags = (isset($data['metaTags']) && !empty($data['metaTags'])) ? $data['metaTags'] : $this->_metaTags;
- $this->_links = (isset($data['links']) && !empty($data['links'])) ? $data['links'] : $this->_links;
- $this->_styleSheets = (isset($data['styleSheets']) && !empty($data['styleSheets'])) ? $data['styleSheets'] : $this->_styleSheets;
- $this->_style = (isset($data['style']) && !empty($data['style'])) ? $data['style'] : $this->_style;
- $this->_scripts = (isset($data['scripts']) && !empty($data['scripts'])) ? $data['scripts'] : $this->_scripts;
- $this->_script = (isset($data['script']) && !empty($data['script'])) ? $data['script'] : $this->_script;
- $this->_custom = (isset($data['custom']) && !empty($data['custom'])) ? $data['custom'] : $this->_custom;
- return $this;
- }
- /**
- * Merge the HTML document head data
- *
- * @param array $data The document head data in array form
- *
- * @return JDocumentHTML instance of $this to allow chaining
- *
- * @since 11.1
- */
- public function mergeHeadData($data)
- {
- if (empty($data) || !is_array($data))
- {
- return;
- }
- $this->title = (isset($data['title']) && !empty($data['title']) && !stristr($this->title, $data['title']))
- ? $this->title . $data['title']
- : $this->title;
- $this->description = (isset($data['description']) && !empty($data['description']) && !stristr($this->description, $data['description']))
- ? $this->description . $data['description']
- : $this->description;
- $this->link = (isset($data['link'])) ? $data['link'] : $this->link;
- if (isset($data['metaTags']))
- {
- foreach ($data['metaTags'] as $type1 => $data1)
- {
- $booldog = $type1 == 'http-equiv' ? true : false;
- foreach ($data1 as $name2 => $data2)
- {
- $this->setMetaData($name2, $data2, $booldog);
- }
- }
- }
- $this->_links = (isset($data['links']) && !empty($data['links']) && is_array($data['links']))
- ? array_unique(array_merge($this->_links, $data['links']))
- : $this->_links;
- $this->_styleSheets = (isset($data['styleSheets']) && !empty($data['styleSheets']) && is_array($data['styleSheets']))
- ? array_merge($this->_styleSheets, $data['styleSheets'])
- : $this->_styleSheets;
- if (isset($data['style']))
- {
- foreach ($data['style'] as $type => $stdata)
- {
- if (!isset($this->_style[strtolower($type)]) || !stristr($this->_style[strtolower($type)], $stdata))
- {
- $this->addStyleDeclaration($stdata, $type);
- }
- }
- }
- $this->_scripts = (isset($data['scripts']) && !empty($data['scripts']) && is_array($data['scripts']))
- ? array_merge($this->_scripts, $data['scripts'])
- : $this->_scripts;
- if (isset($data['script']))
- {
- foreach ($data['script'] as $type => $sdata)
- {
- if (!isset($this->_script[strtolower($type)]) || !stristr($this->_script[strtolower($type)], $sdata))
- {
- $this->addScriptDeclaration($sdata, $type);
- }
- }
- }
- $this->_custom = (isset($data['custom']) && !empty($data['custom']) && is_array($data['custom']))
- ? array_unique(array_merge($this->_custom, $data['custom']))
- : $this->_custom;
- return $this;
- }
- /**
- * Adds <link> tags to the head of the document
- *
- * $relType defaults to 'rel' as it is the most common relation type used.
- * ('rev' refers to reverse relation, 'rel' indicates normal, forward relation.)
- * Typical tag: <link href="index.php" rel="Start">
- *
- * @param string $href The link that is being related.
- * @param string $relation Relation of link.
- * @param string $relType Relation type attribute. Either rel or rev (default: 'rel').
- * @param array $attribs Associative array of remaining attributes.
- *
- * @return JDocumentHTML instance of $this to allow chaining
- *
- * @since 11.1
- */
- public function addHeadLink($href, $relation, $relType = 'rel', $attribs = array())
- {
- $this->_links[$href]['relation'] = $relation;
- $this->_links[$href]['relType'] = $relType;
- $this->_links[$href]['attribs'] = $attribs;
- return $this;
- }
- /**
- * Adds a shortcut icon (favicon)
- *
- * This adds a link to the icon shown in the favorites list or on
- * the left of the url in the address bar. Some browsers display
- * it on the tab, as well.
- *
- * @param string $href The link that is being related.
- * @param string $type File type
- * @param string $relation Relation of link
- *
- * @return JDocumentHTML instance of $this to allow chaining
- *
- * @since 11.1
- */
- public function addFavicon($href, $type = 'image/vnd.microsoft.icon', $relation = 'shortcut icon')
- {
- $href = str_replace('\\', '/', $href);
- $this->addHeadLink($href, $relation, 'rel', array('type' => $type));
- return $this;
- }
- /**
- * Adds a custom HTML string to the head block
- *
- * @param string $html The HTML to add to the head
- *
- * @return JDocumentHTML instance of $this to allow chaining
- *
- * @since 11.1
- */
- public function addCustomTag($html)
- {
- $this->_custom[] = trim($html);
- return $this;
- }
- /**
- * Returns whether the document is set up to be output as HTML5
- *
- * @return Boolean true when HTML5 is used
- *
- * @since 12.1
- */
- public function isHtml5()
- {
- return $this->_html5;
- }
- /**
- * Sets whether the document should be output as HTML5
- *
- * @param bool $state True when HTML5 should be output
- *
- * @return JDocumentHTML instance of $this to allow chaining
- *
- * @since 12.1
- */
- public function setHtml5($state)
- {
- if (is_bool($state))
- {
- $this->_html5 = $state;
- }
- return $this;
- }
- /**
- * Get the contents of a document include
- *
- * @param string $type The type of renderer
- * @param string $name The name of the element to render
- * @param array $attribs Associative array of remaining attributes.
- *
- * @return The output of the renderer
- *
- * @since 11.1
- */
- public function getBuffer($type = null, $name = null, $attribs = array())
- {
- // If no type is specified, return the whole buffer
- if ($type === null)
- {
- return parent::$_buffer;
- }
- $title = (isset($attribs['title'])) ? $attribs['title'] : null;
- if (isset(parent::$_buffer[$type][$name][$title]))
- {
- return parent::$_buffer[$type][$name][$title];
- }
- $renderer = $this->loadRenderer($type);
- if ($this->_caching == true && $type == 'modules')
- {
- $cache = JFactory::getCache('com_modules', '');
- $hash = md5(serialize(array($name, $attribs, null, $renderer)));
- $cbuffer = $cache->get('cbuffer_' . $type);
- if (isset($cbuffer[$hash]))
- {
- return JCache::getWorkarounds($cbuffer[$hash], array('mergehead' => 1));
- }
- else
- {
- $options = array();
- $options['nopathway'] = 1;
- $options['nomodules'] = 1;
- $options['modulemode'] = 1;
- $this->setBuffer($renderer->render($name, $attribs, null), $type, $name);
- $data = parent::$_buffer[$type][$name][$title];
- $tmpdata = JCache::setWorkarounds($data, $options);
- $cbuffer[$hash] = $tmpdata;
- $cache->store($cbuffer, 'cbuffer_' . $type);
- }
- }
- else
- {
- $this->setBuffer($renderer->render($name, $attribs, null), $type, $name, $title);
- }
- return parent::$_buffer[$type][$name][$title];
- }
- /**
- * Set the contents a document includes
- *
- * @param string $content The content to be set in the buffer.
- * @param array $options Array of optional elements.
- *
- * @return JDocumentHTML instance of $this to allow chaining
- *
- * @since 11.1
- */
- public function setBuffer($content, $options = array())
- {
- // The following code is just for backward compatibility.
- if (func_num_args() > 1 && !is_array($options))
- {
- $args = func_get_args();
- $options = array();
- $options['type'] = $args[1];
- $options['name'] = (isset($args[2])) ? $args[2] : null;
- $options['title'] = (isset($args[3])) ? $args[3] : null;
- }
- parent::$_buffer[$options['type']][$options['name']][$options['title']] = $content;
- return $this;
- }
- /**
- * Parses the template and populates the buffer
- *
- * @param array $params Parameters for fetching the template
- *
- * @return JDocumentHTML instance of $this to allow chaining
- *
- * @since 11.1
- */
- public function parse($params = array())
- {
- return $this->_fetchTemplate($params)->_parseTemplate();
- }
- /**
- * Outputs the template to the browser.
- *
- * @param boolean $caching If true, cache the output
- * @param array $params Associative array of attributes
- *
- * @return The rendered data
- *
- * @since 11.1
- */
- public function render($caching = false, $params = array())
- {
- $this->_caching = $caching;
- if (!empty($this->_template))
- {
- $data = $this->_renderTemplate();
- }
- else
- {
- $this->parse($params);
- $data = $this->_renderTemplate();
- }
- parent::render();
- return $data;
- }
- /**
- * Count the modules based on the given condition
- *
- * @param string $condition The condition to use
- *
- * @return integer Number of modules found
- *
- * @since 11.1
- */
- public function countModules($condition)
- {
- $operators = '(\+|\-|\*|\/|==|\!=|\<\>|\<|\>|\<=|\>=|and|or|xor)';
- $words = preg_split('# ' . $operators . ' #', $condition, null, PREG_SPLIT_DELIM_CAPTURE);
- if (count($words) === 1)
- {
- $name = strtolower($words[0]);
- $result = ((isset(parent::$_buffer['modules'][$name])) && (parent::$_buffer['modules'][$name] === false))
- ? 0 : count(JModuleHelper::getModules($name));
- return $result;
- }
- JLog::add('Using an expression in JDocumentHtml::countModules() is deprecated.', JLog::WARNING, 'deprecated');
- for ($i = 0, $n = count($words); $i < $n; $i += 2)
- {
- // Odd parts (modules)
- $name = strtolower($words[$i]);
- $words[$i] = ((isset(parent::$_buffer['modules'][$name])) && (parent::$_buffer['modules'][$name] === false))
- ? 0
- : count(JModuleHelper::getModules($name));
- }
- $str = 'return ' . implode(' ', $words) . ';';
- return eval($str);
- }
- /**
- * Count the number of child menu items
- *
- * @return integer Number of child menu items
- *
- * @since 11.1
- */
- public function countMenuChildren()
- {
- static $children;
- if (!isset($children))
- {
- $dbo = JFactory::getDbo();
- $app = JFactory::getApplication();
- $menu = $app->getMenu();
- $active = $menu->getActive();
- if ($active)
- {
- $query = $dbo->getQuery(true);
- $query->select('COUNT(*)');
- $query->from('#__menu');
- $query->where('parent_id = ' . $active->id);
- $query->where('published = 1');
- $dbo->setQuery($query);
- $children = $dbo->loadResult();
- }
- else
- {
- $children = 0;
- }
- }
- return $children;
- }
- /**
- * Load a template file
- *
- * @param string $directory The name of the template
- * @param string $filename The actual filename
- *
- * @return string The contents of the template
- *
- * @since 11.1
- */
- protected function _loadTemplate($directory, $filename)
- {
- // @todo remove code: $component = JApplicationHelper::getComponentName();
- $contents = '';
- // Check to see if we have a valid template file
- if (file_exists($directory . '/' . $filename))
- {
- // Store the file path
- $this->_file = $directory . '/' . $filename;
- // Get the file content
- ob_start();
- require $directory . '/' . $filename;
- $contents = ob_get_contents();
- ob_end_clean();
- }
- // Try to find a favicon by checking the template and root folder
- $path = $directory . '/';
- $dirs = array($path, JPATH_BASE . '/');
- foreach ($dirs as $dir)
- {
- $icon = $dir . 'favicon.ico';
- if (file_exists($icon))
- {
- $path = str_replace(JPATH_BASE . '/', '', $dir);
- $path = str_replace('\\', '/', $path);
- $this->addFavicon(JURI::base(true) . '/' . $path . 'favicon.ico');
- break;
- }
- }
- return $contents;
- }
- /**
- * Fetch the template, and initialise the params
- *
- * @param array $params Parameters to determine the template
- *
- * @return JDocumentHTML instance of $this to allow chaining
- *
- * @since 11.1
- */
- protected function _fetchTemplate($params = array())
- {
- // Check
- $directory = isset($params['directory']) ? $params['directory'] : 'templates';
- $filter = JFilterInput::getInstance();
- $template = $filter->clean($params['template'], 'cmd');
- $file = $filter->clean($params['file'], 'cmd');
- if (!file_exists($directory . '/' . $template . '/' . $file))
- {
- $template = 'system';
- }
- // Load the language file for the template
- $lang = JFactory::getLanguage();
- // 1.5 or core then 1.6
- $lang->load('tpl_' . $template, JPATH_BASE, null, false, false)
- || $lang->load('tpl_' . $template, $directory . '/' . $template, null, false, false)
- || $lang->load('tpl_' . $template, JPATH_BASE, $lang->getDefault(), false, false)
- || $lang->load('tpl_' . $template, $directory . '/' . $template, $lang->getDefault(), false, false);
- // Assign the variables
- $this->template = $template;
- $this->baseurl = JURI::base(true);
- $this->params = isset($params['params']) ? $params['params'] : new JRegistry;
- // Load
- $this->_template = $this->_loadTemplate($directory . '/' . $template, $file);
- return $this;
- }
- /**
- * Parse a document template
- *
- * @return JDocumentHTML instance of $this to allow chaining
- *
- * @since 11.1
- */
- protected function _parseTemplate()
- {
- $matches = array();
- if (preg_match_all('#<jdoc:include\ type="([^"]+)" (.*)\/>#iU', $this->_template, $matches))
- {
- $template_tags_first = array();
- $template_tags_last = array();
- // Step through the jdocs in reverse order.
- for ($i = count($matches[0]) - 1; $i >= 0; $i--)
- {
- $type = $matches[1][$i];
- $attribs = empty($matches[2][$i]) ? array() : JUtility::parseAttributes($matches[2][$i]);
- $name = isset($attribs['name']) ? $attribs['name'] : null;
- // Separate buffers to be executed first and last
- if ($type == 'module' || $type == 'modules')
- {
- $template_tags_first[$matches[0][$i]] = array('type' => $type, 'name' => $name, 'attribs' => $attribs);
- }
- else
- {
- $template_tags_last[$matches[0][$i]] = array('type' => $type, 'name' => $name, 'attribs' => $attribs);
- }
- }
- // Reverse the last array so the jdocs are in forward order.
- $template_tags_last = array_reverse($template_tags_last);
- $this->_template_tags = $template_tags_first + $template_tags_last;
- }
- return $this;
- }
- /**
- * Render pre-parsed template
- *
- * @return string rendered template
- *
- * @since 11.1
- */
- protected function _renderTemplate()
- {
- $replace = array();
- $with = array();
- foreach ($this->_template_tags as $jdoc => $args)
- {
- $replace[] = $jdoc;
- $with[] = $this->getBuffer($args['type'], $args['name'], $args['attribs']);
- }
- return str_replace($replace, $with, $this->_template);
- }
- }