skodak
141 lines
6.3 KiB
PHP
141 lines
6.3 KiB
PHP
<?php // $Id$
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///////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Modular Object-Oriented Dynamic Learning Environment //
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// http://moodle.com //
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// //
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// Copyright (C) 2001-3001 Martin Dougiamas http://dougiamas.com //
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// (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com //
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// //
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// This program 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 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program 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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// http://www.gnu.org/copyleft/gpl.html //
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// //
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///////////////////////////////////////////////////////////////////////////
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/// This class will delete completely one key
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class delete_key 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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/// Get needed strings
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$this->loadStrings(array(
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'confirmdeletekey' => 'xmldb',
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'yes' => '',
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'no' => ''
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));
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}
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/**
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* Invoke method, every class will have its own
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* returns true/false on completion, setting both
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* errormsg and output as necessary
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*/
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function invoke() {
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parent::invoke();
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$result = true;
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/// Set own core attributes
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$this->does_generate = ACTION_GENERATE_HTML;
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/// These are always here
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global $CFG, $XMLDB;
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/// Do the job, setting result as needed
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/// Get the dir containing the file
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$dirpath = required_param('dir', PARAM_PATH);
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$dirpath = $CFG->dirroot . stripslashes_safe($dirpath);
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$tableparam = required_param('table', PARAM_PATH);
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$keyparam = required_param('key', PARAM_PATH);
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$confirmed = optional_param('confirmed', false, PARAM_BOOL);
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/// If not confirmed, show confirmation box
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if (!$confirmed) {
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$o = '<table align="center" width="60" class="generalbox" border="0" cellpadding="5" cellspacing="0" id="notice">';
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$o.= ' <tr><td class="generalboxcontent">';
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$o.= ' <p align="center">' . $this->str['confirmdeletekey'] . '<br /><br />' . $keyparam . '</p>';
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$o.= ' <table align="center" cellpadding="20"><tr><td>';
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$o.= ' <div class="singlebutton">';
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$o.= ' <form action="index.php?action=delete_key&confirmed=yes&postaction=edit_table&key=' . $keyparam . '&table=' . $tableparam . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '" method="post">';
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$o.= ' <input type="submit" value="'. $this->str['yes'] .'" /></form></div>';
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$o.= ' </td><td>';
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$o.= ' <div class="singlebutton">';
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$o.= ' <form action="index.php?action=edit_table&table=' . $tableparam . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '" method="post">';
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$o.= ' <input type="submit" value="'. $this->str['no'] .'" /></form></div>';
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$o.= ' </td></tr>';
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$o.= ' </table>';
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$o.= ' </td></tr>';
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$o.= '</table>';
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$this->output = $o;
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} else {
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/// Get the edited dir
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if (!empty($XMLDB->editeddirs)) {
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if (isset($XMLDB->editeddirs[$dirpath])) {
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$dbdir =& $XMLDB->dbdirs[$dirpath];
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$editeddir =& $XMLDB->editeddirs[$dirpath];
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if ($editeddir) {
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$structure =& $editeddir->xml_file->getStructure();
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/// Move adjacent keys prev and next attributes
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$tables =& $structure->getTables();
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$table =& $structure->getTable($tableparam);
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$keys =& $table->getKeys();
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$key =& $table->getKey($keyparam);
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if ($key->getPrevious()) {
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$prev =& $table->getKey($key->getPrevious());
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$prev->setNext($key->getNext());
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}
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if ($key->getNext()) {
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$next =& $table->getKey($key->getNext());
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$next->setPrevious($key->getPrevious());
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}
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/// Remove the key
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$table->deleteKey($keyparam);
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/// Recalculate the hash
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$structure->calculateHash(true);
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/// If the hash has changed from the original one, change the version
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/// and mark the structure as changed
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$origstructure =& $dbdir->xml_file->getStructure();
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if ($structure->getHash() != $origstructure->getHash()) {
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$structure->setVersion(userdate(time(), '%Y%m%d', 99, false));
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$structure->setChanged(true);
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}
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}
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}
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}
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}
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/// Launch postaction if exists (leave this here!)
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if ($this->getPostAction() && $result) {
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return $this->launch($this->getPostAction());
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}
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/// Return ok if arrived here
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return $result;
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}
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}
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?>
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