Petr Skoda
240 lines
13 KiB
PHP
240 lines
13 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* @package xmldb-editor
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* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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/**
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* This class will edit one loaded XML file
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*
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* Main page to start editing one XML file. From here it's possible to access
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* to tables edition plus PHP code generation and other utilities
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*
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* @package xmldb-editor
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* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class edit_xml_file extends XMLDBAction {
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/**
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* Init method, every subclass will have its own
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*/
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function init() {
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parent::init();
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/// Set own custom attributes
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$this->sesskey_protected = false; // This action doesn't need sesskey protection
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/// Get needed strings
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$this->loadStrings(array(
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'change' => 'xmldb',
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'edit' => 'xmldb',
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'up' => 'xmldb',
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'down' => 'xmldb',
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'delete' => 'xmldb',
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'vieworiginal' => 'xmldb',
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'viewedited' => 'xmldb',
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'tables' => 'xmldb',
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'newtable' => 'xmldb',
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'newtablefrommysql' => 'xmldb',
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'viewsqlcode' => 'xmldb',
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'viewphpcode' => 'xmldb',
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'reserved' => 'xmldb',
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'backtomainview' => 'xmldb',
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'viewxml' => 'xmldb',
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'pendingchanges' => 'xmldb',
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'pendingchangescannotbesaved' => 'xmldb',
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'save' => 'xmldb'
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));
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}
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/**
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* Invoke method, every class will have its own
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* returns true/false on completion, setting both
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* errormsg and output as necessary
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*/
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function invoke() {
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parent::invoke();
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$result = true;
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/// Set own core attributes
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//$this->does_generate = ACTION_NONE;
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$this->does_generate = ACTION_GENERATE_HTML;
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/// These are always here
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global $CFG, $XMLDB, $DB;
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/// Do the job, setting $result as needed
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/// Get the dir containing the file
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$dirpath = required_param('dir', PARAM_PATH);
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$dirpath = $CFG->dirroot . $dirpath;
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/// Get the correct dir
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if (!empty($XMLDB->dbdirs)) {
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$dbdir =& $XMLDB->dbdirs[$dirpath];
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if ($dbdir) {
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/// Only if the directory exists and it has been loaded
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if (!$dbdir->path_exists || !$dbdir->xml_loaded) {
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return false;
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}
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/// Check if the in-memory object exists and create it
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if (empty($XMLDB->editeddirs)) {
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$XMLDB->editeddirs = array();
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}
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/// Check if the dir exists and copy it from dbdirs
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if (!isset($XMLDB->editeddirs[$dirpath])) {
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$XMLDB->editeddirs[$dirpath] = unserialize(serialize($dbdir));
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}
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/// Get it
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$editeddir =& $XMLDB->editeddirs[$dirpath];
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$structure =& $editeddir->xml_file->getStructure();
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/// Add the main form
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$o = '<form id="form" action="index.php" method="post">';
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$o.= '<div>';
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$o.= ' <input type="hidden" name ="dir" value="' . str_replace($CFG->dirroot, '', $dirpath) . '" />';
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$o.= ' <input type="hidden" name ="action" value="edit_xml_file_save" />';
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$o.= ' <input type="hidden" name ="postaction" value="edit_xml_file" />';
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$o.= ' <input type="hidden" name ="path" value="' . s($structure->getPath()) .'" />';
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$o.= ' <input type="hidden" name ="version" value="' . s($structure->getVersion()) .'" />';
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$o.= ' <input type="hidden" name ="sesskey" value="' . sesskey() .'" />';
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$o.= ' <table id="formelements" class="boxaligncenter">';
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$o.= ' <tr valign="top"><td>Path:</td><td>' . s($structure->getPath()) . '</td></tr>';
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$o.= ' <tr valign="top"><td>Version:</td><td>' . s($structure->getVersion()) . '</td></tr>';
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$o.= ' <tr valign="top"><td><label for="comment" accesskey="c">Comment:</label></td><td><textarea name="comment" rows="3" cols="80" id="comment">' . $structure->getComment() . '</textarea></td></tr>';
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$o.= ' <tr><td> </td><td><input type="submit" value="' .$this->str['change'] . '" /></td></tr>';
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$o.= ' </table>';
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$o.= '</div></form>';
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/// Calculate the pending changes / save message
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$e = '';
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$cansavenow = false;
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if ($structure->hasChanged()) {
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if (!is_writeable($dirpath . '/install.xml') || !is_writeable($dirpath)) {
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$e .= '<p class="centerpara error">' . $this->str['pendingchangescannotbesaved'] . '</p>';
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} else {
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$e .= '<p class="centerpara warning">' . $this->str['pendingchanges'] . '</p>';
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$cansavenow = true;
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}
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}
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/// Calculate the buttons
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$b = ' <p class="centerpara buttons">';
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/// The view original XML button
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$b .= ' <a href="index.php?action=view_structure_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&select=original">[' . $this->str['vieworiginal'] . ']</a>';
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/// The view edited XML button
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if ($structure->hasChanged()) {
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$b .= ' <a href="index.php?action=view_structure_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&select=edited">[' . $this->str['viewedited'] . ']</a>';
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} else {
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$b .= ' [' . $this->str['viewedited'] . ']';
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}
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/// The new table button
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$b .= ' <a href="index.php?action=new_table&sesskey=' . sesskey() . '&postaction=edit_table&table=changeme&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['newtable'] . ']</a>';
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/// The new from MySQL button
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if ($DB->get_dbfamily() == 'mysql') {
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$b .= ' <a href="index.php?action=new_table_from_mysql&sesskey=' . sesskey() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['newtablefrommysql'] . ']</a>';
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} else {
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$b .= ' [' . $this->str['newtablefrommysql'] . ']';
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}
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/// The view sql code button
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$b .= '<a href="index.php?action=view_structure_sql&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' .$this->str['viewsqlcode'] . ']</a>';
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/// The view php code button
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$b .= ' <a href="index.php?action=view_structure_php&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['viewphpcode'] . ']</a>';
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/// The save button (if possible)
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if ($cansavenow) {
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$b .= ' <a href="index.php?action=save_xml_file&sesskey=' . sesskey() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&time=' . time() . '&unload=false&postaction=edit_xml_file&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['save'] . ']</a>';
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}
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/// The back to main menu button
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$b .= ' <a href="index.php?action=main_view#lastused">[' . $this->str['backtomainview'] . ']</a>';
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$b .= '</p>';
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$o .= $e . $b;
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/// Join all the reserved words into one big array
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/// Calculate list of available SQL generators
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require_once("$CFG->libdir/ddl/sql_generator.php");
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$reserved_words = sql_generator::getAllReservedWords();
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/// Add the tables list
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$tables = $structure->getTables();
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if ($tables) {
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$o .= '<h3 class="main">' . $this->str['tables'] . '</h3>';
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$o .= '<table id="listtables" border="0" cellpadding="5" cellspacing="1" class="boxaligncenter flexible">';
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$row = 0;
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foreach ($tables as $table) {
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/// The table name (link to edit table)
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$t = '<a href="index.php?action=edit_table&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">' . $table->getName() . '</a>';
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/// Calculate buttons
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$b = '</td><td class="button cell">';
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/// The edit button
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$b .= '<a href="index.php?action=edit_table&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['edit'] . ']</a>';
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$b .= '</td><td class="button cell">';
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/// The up button
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if ($table->getPrevious()) {
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$b .= '<a href="index.php?action=move_updown_table&direction=up&sesskey=' . sesskey() . '&table=' . $table->getName() . '&postaction=edit_xml_file' . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['up'] . ']</a>';
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} else {
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$b .= '[' . $this->str['up'] . ']';
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}
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$b .= '</td><td class="button cell">';
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/// The down button
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if ($table->getNext()) {
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$b .= '<a href="index.php?action=move_updown_table&direction=down&sesskey=' . sesskey() . '&table=' . $table->getName() . '&postaction=edit_xml_file' . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['down'] . ']</a>';
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} else {
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$b .= '[' . $this->str['down'] . ']';
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}
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$b .= '</td><td class="button cell">';
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/// The delete button (if we have more than one and it isn't used)
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if (count($tables) > 1 &&
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!$structure->getTableUses($table->getName())) {
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///!$structure->getTableUses($table->getName())) {
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$b .= '<a href="index.php?action=delete_table&sesskey=' . sesskey() . '&table=' . $table->getName() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['delete'] . ']</a>';
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} else {
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$b .= '[' . $this->str['delete'] . ']';
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}
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$b .= '</td><td class="button cell">';
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/// The view xml button
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$b .= '<a href="index.php?action=view_table_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&table=' . $table->getName() . '&select=edited">[' . $this->str['viewxml'] . ']</a>';
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/// Detect if the table name is a reserved word
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if (array_key_exists($table->getName(), $reserved_words)) {
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$b .= ' <a href="index.php?action=view_reserved_words"><span class="error">' . $this->str['reserved'] . '</span></a>';
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}
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$b .= '</td>';
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/// Print table row
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$o .= '<tr class="r' . $row . '"><td class="table cell">' . $t . $b . '</tr>';
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$row = ($row + 1) % 2;
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}
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$o .= '</table>';
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}
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///Add the back to main
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$this->output = $o;
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}
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}
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/// Launch postaction if exists (leave this unmodified)
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if ($this->getPostAction() && $result) {
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return $this->launch($this->getPostAction());
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}
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return $result;
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}
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}
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