/admin/tool/xmldb/actions/edit_table/edit_table.class.php
PHP | 357 lines | 239 code | 23 blank | 95 comment | 46 complexity | 3c9e662f0cecb5da5963bb0fcb80a0fb MD5 | raw file
- <?php
- // This file is part of Moodle - http://moodle.org/
- //
- // Moodle is free software: you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // Moodle is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License
- // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
- /**
- * @package tool_xmldb
- * @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
- /**
- * This class provides the interface for all the edit table actions
- *
- * Main page of edit table actions, from here fields/indexes/keys edition
- * can be invoked, plus links to PHP code generator, view SQL, rearrange
- * elements and so on.
- *
- * @package tool_xmldb
- * @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
- class edit_table extends XMLDBAction {
- /**
- * Init method, every subclass will have its own
- */
- function init() {
- parent::init();
- // Set own custom attributes
- $this->sesskey_protected = false; // This action doesn't need sesskey protection
- // Get needed strings
- $this->loadStrings(array(
- 'change' => 'tool_xmldb',
- 'vieworiginal' => 'tool_xmldb',
- 'viewedited' => 'tool_xmldb',
- 'viewsqlcode' => 'tool_xmldb',
- 'viewphpcode' => 'tool_xmldb',
- 'newfield' => 'tool_xmldb',
- 'newkey' => 'tool_xmldb',
- 'newindex' => 'tool_xmldb',
- 'fields' => 'tool_xmldb',
- 'keys' => 'tool_xmldb',
- 'indexes' => 'tool_xmldb',
- 'edit' => 'tool_xmldb',
- 'up' => 'tool_xmldb',
- 'down' => 'tool_xmldb',
- 'delete' => 'tool_xmldb',
- 'reserved' => 'tool_xmldb',
- 'back' => 'tool_xmldb',
- 'viewxml' => 'tool_xmldb',
- 'pendingchanges' => 'tool_xmldb',
- 'pendingchangescannotbesaved' => 'tool_xmldb',
- 'save' => 'tool_xmldb'
- ));
- }
- /**
- * Invoke method, every class will have its own
- * returns true/false on completion, setting both
- * errormsg and output as necessary
- */
- function invoke() {
- parent::invoke();
- $result = true;
- // Set own core attributes
- $this->does_generate = ACTION_GENERATE_HTML;
- // These are always here
- global $CFG, $XMLDB;
- // Do the job, setting result as needed
- // Get the dir containing the file
- $dirpath = required_param('dir', PARAM_PATH);
- $dirpath = $CFG->dirroot . $dirpath;
- // Get the correct dirs
- if (!empty($XMLDB->dbdirs)) {
- $dbdir = $XMLDB->dbdirs[$dirpath];
- } else {
- return false;
- }
- // Check if the dir exists and copy it from dbdirs
- // (because we need straight load in case of saving from here)
- if (!isset($XMLDB->editeddirs[$dirpath])) {
- $XMLDB->editeddirs[$dirpath] = unserialize(serialize($dbdir));
- }
- if (!empty($XMLDB->editeddirs)) {
- $editeddir = $XMLDB->editeddirs[$dirpath];
- $structure = $editeddir->xml_file->getStructure();
- }
- $tableparam = required_param('table', PARAM_CLEAN);
- if (!$table = $structure->getTable($tableparam)) {
- // Arriving here from a name change, looking for the new table name
- $tableparam = required_param('name', PARAM_CLEAN);
- $table = $structure->getTable($tableparam);
- }
- $dbdir = $XMLDB->dbdirs[$dirpath];
- $origstructure = $dbdir->xml_file->getStructure();
- // Add the main form
- $o = '<form id="form" action="index.php" method="post">';
- $o.= '<div>';
- $o.= ' <input type="hidden" name ="dir" value="' . str_replace($CFG->dirroot, '', $dirpath) . '" />';
- $o.= ' <input type="hidden" name ="table" value="' . $tableparam .'" />';
- $o.= ' <input type="hidden" name ="action" value="edit_table_save" />';
- $o.= ' <input type="hidden" name ="sesskey" value="' . sesskey() .'" />';
- $o.= ' <input type="hidden" name ="postaction" value="edit_table" />';
- $o.= ' <table id="formelements" class="boxaligncenter">';
- // If the table is being used, we cannot rename it
- if ($structure->getTableUses($table->getName())) {
- $o.= ' <tr valign="top"><td>Name:</td><td><input type="hidden" name ="name" value="' . s($table->getName()) . '" />' . s($table->getName()) .'</td></tr>';
- } else {
- $o.= ' <tr valign="top"><td><label for="name" accesskey="p">Name:</label></td><td><input name="name" type="text" size="28" maxlength="28" id="name" value="' . s($table->getName()) . '" /></td></tr>';
- }
- $o.= ' <tr valign="top"><td><label for="comment" accesskey="c">Comment:</label></td><td><textarea name="comment" rows="3" cols="80" id="comment">' . s($table->getComment()) . '</textarea></td></tr>';
- $o.= ' <tr valign="top"><td> </td><td><input type="submit" value="' .$this->str['change'] . '" /></td></tr>';
- $o.= ' </table>';
- $o.= '</div></form>';
- // Calculate the pending changes / save message
- $e = '';
- $cansavenow = false;
- if ($structure->hasChanged()) {
- if (!is_writeable($dirpath . '/install.xml') || !is_writeable($dirpath)) {
- $e .= '<p class="centerpara error">' . $this->str['pendingchangescannotbesaved'] . '</p>';
- } else {
- $e .= '<p class="centerpara warning">' . $this->str['pendingchanges'] . '</p>';
- $cansavenow = true;
- }
- }
- // Calculate the buttons
- $b = ' <p class="centerpara buttons">';
- // The view original XML button
- if ($origstructure->getTable($tableparam)) {
- $b .= ' <a href="index.php?action=view_table_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&select=original&table=' . $tableparam . '">[' . $this->str['vieworiginal'] . ']</a>';
- } else {
- $b .= ' [' . $this->str['vieworiginal'] . ']';
- }
- // The view edited XML button
- if ($table->hasChanged()) {
- $b .= ' <a href="index.php?action=view_table_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&select=edited&table=' . $tableparam . '">[' . $this->str['viewedited'] . ']</a>';
- } else {
- $b .= ' [' . $this->str['viewedited'] . ']';
- }
- // The new field button
- $b .= ' <a href="index.php?action=new_field&sesskey=' . sesskey() . '&postaction=edit_field&table=' . $tableparam . '&field=changeme&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['newfield'] . ']</a>';
- // The new key button
- $b .= ' <a href="index.php?action=new_key&sesskey=' . sesskey() . '&postaction=edit_key&table=' . $tableparam . '&key=changeme&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['newkey'] . ']</a>';
- // The new index button
- $b .= ' <a href="index.php?action=new_index&sesskey=' . sesskey() . '&postaction=edit_index&table=' . $tableparam . '&index=changeme&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['newindex'] . ']</a>';
- $b .= '</p>';
- $b .= ' <p class="centerpara buttons">';
- // The view sql code button
- $b .= '<a href="index.php?action=view_table_sql&table=' . $tableparam . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' .$this->str['viewsqlcode'] . ']</a>';
- // The view php code button
- $b .= ' <a href="index.php?action=view_table_php&table=' . $tableparam . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['viewphpcode'] . ']</a>';
- // The save button (if possible)
- if ($cansavenow) {
- $b .= ' <a href="index.php?action=save_xml_file&sesskey=' . sesskey() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&time=' . time() . '&unload=false&postaction=edit_table&table=' . $tableparam . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['save'] . ']</a>';
- }
- // The back to edit xml file button
- $b .= ' <a href="index.php?action=edit_xml_file&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['back'] . ']</a>';
- $b .= '</p>';
- $o .= $e . $b;
- require_once("$CFG->libdir/ddl/sql_generator.php");
- $reserved_words = sql_generator::getAllReservedWords();
- // Delete any 'changeme' field/key/index
- $table->deleteField('changeme');
- $table->deleteKey('changeme');
- $table->deleteIndex('changeme');
- // Add the fields list
- $fields = $table->getFields();
- if (!empty($fields)) {
- $o .= '<h3 class="main">' . $this->str['fields'] . '</h3>';
- $o .= '<table id="listfields" border="0" cellpadding="5" cellspacing="1" class="boxaligncenter flexible">';
- $row = 0;
- foreach ($fields as $field) {
- // The field name (link to edit - if the field has no uses)
- if (!$structure->getFieldUses($table->getName(), $field->getName())) {
- $f = '<a href="index.php?action=edit_field&field=' .$field->getName() . '&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">' . $field->getName() . '</a>';
- } else {
- $f = $field->getName();
- }
- // Calculate buttons
- $b = '</td><td class="button cell">';
- // The edit button (if the field has no uses)
- if (!$structure->getFieldUses($table->getName(), $field->getName())) {
- $b .= '<a href="index.php?action=edit_field&field=' .$field->getName() . '&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['edit'] . ']</a>';
- } else {
- $b .= '[' . $this->str['edit'] . ']';
- }
- $b .= '</td><td class="button cell">';
- // The up button
- if ($field->getPrevious()) {
- $b .= '<a href="index.php?action=move_updown_field&direction=up&sesskey=' . sesskey() . '&field=' . $field->getName() . '&table=' . $table->getName() . '&postaction=edit_table' . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['up'] . ']</a>';
- } else {
- $b .= '[' . $this->str['up'] . ']';
- }
- $b .= '</td><td class="button cell">';
- // The down button
- if ($field->getNext()) {
- $b .= '<a href="index.php?action=move_updown_field&direction=down&sesskey=' . sesskey() . '&field=' . $field->getName() . '&table=' . $table->getName() . '&postaction=edit_table' . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['down'] . ']</a>';
- } else {
- $b .= '[' . $this->str['down'] . ']';
- }
- $b .= '</td><td class="button cell">';
- // The delete button (if we have more than one and it isn't used
- if (count($fields) > 1 &&
- !$structure->getFieldUses($table->getName(), $field->getName())) {
- $b .= '<a href="index.php?action=delete_field&sesskey=' . sesskey() . '&field=' . $field->getName() . '&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['delete'] . ']</a>';
- } else {
- $b .= '[' . $this->str['delete'] . ']';
- }
- $b .= '</td><td class="button cell">';
- // The view xml button
- $b .= '<a href="index.php?action=view_field_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&field=' . $field->getName() . '&table=' . $table->getName() . '&select=edited">[' . $this->str['viewxml'] . ']</a>';
- // Detect if the table name is a reserved word
- if (array_key_exists($field->getName(), $reserved_words)) {
- $b .= ' <a href="index.php?action=view_reserved_words"><span class="error">' . $this->str['reserved'] . '</span></a>';
- }
- // The readable info
- $r = '</td><td class="readableinfo cell">' . $field->readableInfo() . '</td>';
- // Print table row
- $o .= '<tr class="r' . $row . '"><td class="table cell">' . $f . $b . $r . '</tr>';
- $row = ($row + 1) % 2;
- }
- $o .= '</table>';
- }
- // Add the keys list
- $keys = $table->getKeys();
- if (!empty($keys)) {
- $o .= '<h3 class="main">' . $this->str['keys'] . '</h3>';
- $o .= '<table id="listkeys" border="0" cellpadding="5" cellspacing="1" class="boxaligncenter flexible">';
- $row = 0;
- foreach ($keys as $key) {
- // The key name (link to edit - if the key has no uses)
- if (!$structure->getKeyUses($table->getName(), $key->getName())) {
- $k = '<a href="index.php?action=edit_key&key=' .$key->getName() . '&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">' . $key->getName() . '</a>';
- } else {
- $k = $key->getName();
- }
- // Calculate buttons
- $b = '</td><td class="button cell">';
- // The edit button (if the key hasn't uses)
- if (!$structure->getKeyUses($table->getName(), $key->getName())) {
- $b .= '<a href="index.php?action=edit_key&key=' .$key->getName() . '&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['edit'] . ']</a>';
- } else {
- $b .= '[' . $this->str['edit'] . ']';
- }
- $b .= '</td><td class="button cell">';
- // The up button
- if ($key->getPrevious()) {
- $b .= '<a href="index.php?action=move_updown_key&direction=up&sesskey=' . sesskey() . '&key=' . $key->getName() . '&table=' . $table->getName() . '&postaction=edit_table' . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['up'] . ']</a>';
- } else {
- $b .= '[' . $this->str['up'] . ']';
- }
- $b .= '</td><td class="button cell">';
- // The down button
- if ($key->getNext()) {
- $b .= '<a href="index.php?action=move_updown_key&direction=down&sesskey=' . sesskey() . '&key=' . $key->getName() . '&table=' . $table->getName() . '&postaction=edit_table' . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['down'] . ']</a>';
- } else {
- $b .= '[' . $this->str['down'] . ']';
- }
- $b .= '</td><td class="button cell">';
- // The delete button (if the key hasn't uses)
- if (!$structure->getKeyUses($table->getName(), $key->getName())) {
- $b .= '<a href="index.php?action=delete_key&sesskey=' . sesskey() . '&key=' . $key->getName() . '&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['delete'] . ']</a>';
- } else {
- $b .= '[' . $this->str['delete'] . ']';
- }
- $b .= '</td><td class="button cell">';
- // The view xml button
- $b .= '<a href="index.php?action=view_key_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&key=' . $key->getName() . '&table=' . $table->getName() . '&select=edited">[' . $this->str['viewxml'] . ']</a>';
- // The readable info
- $r = '</td><td class="readableinfo cell">' . $key->readableInfo() . '</td>';
- // Print table row
- $o .= '<tr class="r' . $row . '"><td class="table cell">' . $k . $b . $r .'</tr>';
- $row = ($row + 1) % 2;
- }
- $o .= '</table>';
- }
- // Add the indexes list
- $indexes = $table->getIndexes();
- if (!empty($indexes)) {
- $o .= '<h3 class="main">' . $this->str['indexes'] . '</h3>';
- $o .= '<table id="listindexes" border="0" cellpadding="5" cellspacing="1" class="boxaligncenter flexible">';
- $row = 0;
- foreach ($indexes as $index) {
- // The index name (link to edit)
- $i = '<a href="index.php?action=edit_index&index=' .$index->getName() . '&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">' . $index->getName() . '</a>';
- // Calculate buttons
- $b = '</td><td class="button cell">';
- // The edit button
- $b .= '<a href="index.php?action=edit_index&index=' .$index->getName() . '&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['edit'] . ']</a>';
- $b .= '</td><td class="button cell">';
- // The up button
- if ($index->getPrevious()) {
- $b .= '<a href="index.php?action=move_updown_index&direction=up&sesskey=' . sesskey() . '&index=' . $index->getName() . '&table=' . $table->getName() . '&postaction=edit_table' . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['up'] . ']</a>';
- } else {
- $b .= '[' . $this->str['up'] . ']';
- }
- $b .= '</td><td class="button cell">';
- // The down button
- if ($index->getNext()) {
- $b .= '<a href="index.php?action=move_updown_index&direction=down&sesskey=' . sesskey() . '&index=' . $index->getName() . '&table=' . $table->getName() . '&postaction=edit_table' . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['down'] . ']</a>';
- } else {
- $b .= '[' . $this->str['down'] . ']';
- }
- $b .= '</td><td class="button cell">';
- // The delete button
- $b .= '<a href="index.php?action=delete_index&sesskey=' . sesskey() . '&index=' . $index->getName() . '&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['delete'] . ']</a>';
- $b .= '</td><td class="button cell">';
- // The view xml button
- $b .= '<a href="index.php?action=view_index_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&index=' . $index->getName() . '&table=' . $table->getName() . '&select=edited">[' . $this->str['viewxml'] . ']</a>';
- // The readable info
- $r = '</td><td class="readableinfo cell">' . $index->readableInfo() . '</td>';
- // Print table row
- $o .= '<tr class="r' . $row . '"><td class="table cell">' . $i . $b . $r .'</tr>';
- $row = ($row + 1) % 2;
- }
- $o .= '</table>';
- }
- $this->output = $o;
- // Launch postaction if exists (leave this here!)
- if ($this->getPostAction() && $result) {
- return $this->launch($this->getPostAction());
- }
- // Return ok if arrived here
- return $result;
- }
- }