moodle/admin/xmldb/actions/edit_xml_file/edit_xml_file.class.php
2006-08-29 21:07:59 +00:00

252 lines
15 KiB
PHP

<?php // $Id$
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.com //
// //
// Copyright (C) 2001-3001 Martin Dougiamas http://dougiamas.com //
// (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com //
// //
// This program 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 2 of the License, or //
// (at your option) any later version. //
// //
// This program 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: //
// //
// http://www.gnu.org/copyleft/gpl.html //
// //
///////////////////////////////////////////////////////////////////////////
/// This class will edit one loaded XML file
class edit_xml_file extends XMLDBAction {
/**
* Init method, every subclass will have its own
*/
function init() {
parent::init();
/// Set own custom attributes
/// Get needed strings
$this->loadStrings(array(
'change' => 'xmldb',
'edit' => 'xmldb',
'up' => 'xmldb',
'down' => 'xmldb',
'delete' => 'xmldb',
'vieworiginal' => 'xmldb',
'viewedited' => 'xmldb',
'tables' => 'xmldb',
'statements' => 'xmldb',
'newtable' => 'xmldb',
'newtablefrommysql' => 'xmldb',
'newstatement' => 'xmldb',
'viewsqlcode' => 'xmldb',
'viewphpcode' => 'xmldb',
'reserved' => 'xmldb',
'backtomainview' => '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_NONE;
$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 = $CFG->dirroot . stripslashes_safe($dirpath);
/// Get the correct dir
if (!empty($XMLDB->dbdirs)) {
$dbdir =& $XMLDB->dbdirs[$dirpath];
if ($dbdir) {
/// Only if the directory exists and it has been loaded
if (!$dbdir->path_exists || !$dbdir->xml_loaded) {
return false;
}
/// Check if the in-memory object exists and create it
if (empty($XMLDB->editeddirs)) {
$XMLDB->editeddirs = array();
}
/// Check if the dir exists and copy it from dbdirs
if (!isset($XMLDB->editeddirs[$dirpath])) {
$XMLDB->editeddirs[$dirpath] = unserialize(serialize($dbdir));
}
/// Get it
$editeddir =& $XMLDB->editeddirs[$dirpath];
$structure =& $editeddir->xml_file->getStructure();
/// Add the main form
$o = '<form id="form" action="index.php" method="post">';
$o.= ' <input type="hidden" name ="dir" value="' . str_replace($CFG->dirroot, '', $dirpath) . '" />';
$o.= ' <input type="hidden" name ="action" value="edit_xml_file_save" />';
$o.= ' <input type="hidden" name ="postaction" value="edit_xml_file" />';
$o.= ' <input type="hidden" name ="path" value="' . s($structure->getPath()) .'" />';
$o.= ' <input type="hidden" name ="version" value="' . s($structure->getVersion()) .'" />';
$o.= ' <table id="formelements" align="center">';
$o.= ' <tr valign="top"><td>Path:</td><td>' . s($structure->getPath()) . '</td></tr>';
$o.= ' <tr valign="top"><td>Version:</td><td>' . s($structure->getVersion()) . '</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">' . $structure->getComment() . '</textarea></td></tr>';
$o.= ' <tr><td>&nbsp;</td><td><input type="submit" value="' .$this->str['change'] . '" /></td></tr>';
$o.= ' </table>';
$o.= '</form>';
/// Calculate the buttons
$b = ' <p align="center" class="buttons">';
/// The view original XML button
$b .= '&nbsp;<a href="index.php?action=view_structure_xml&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&amp;select=original" target="_blank">[' . $this->str['vieworiginal'] . ']</a>';
/// The view edited XML button
if ($structure->hasChanged()) {
$b .= '&nbsp;<a href="index.php?action=view_structure_xml&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&amp;select=edited" target="_blank">[' . $this->str['viewedited'] . ']</a>';
} else {
$b .= '&nbsp;[' . $this->str['viewedited'] . ']';
}
/// The new table button
$b .= '&nbsp;<a href="index.php?action=new_table&amp;postaction=edit_table&amp;table=changeme&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['newtable'] . ']</a>';
/// The new from MySQL button
if ($CFG->dbtype == 'mysql') {
$b .= '&nbsp;<a href="index.php?action=new_table_from_mysql&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['newtablefrommysql'] . ']</a>';
} else {
$b .= '&nbsp;[' . $this->str['newtablefrommysql'] . ']';
}
/// The new statement button
$b .= '&nbsp;<a href="index.php?action=new_statement&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['newstatement'] . ']</a>';
/// The back to main menu button
$b .= '&nbsp;<a href="index.php?action=main_view#lastused">[' . $this->str['backtomainview'] . ']</a>';
$b .= '</p>';
$b .= ' <p align="center" class="buttons">';
/// The view sql code button
$b .= '<a href="index.php?action=view_structure_sql&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' .$this->str['viewsqlcode'] . ']</a>';
/// The view php code button
$b .= '&nbsp;<a href="index.php?action=view_structure_php&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['viewphpcode'] . ']</a>';
$b .= '</p>';
$o .= $b;
/// Join all the reserved words into one big array
/// Calculate list of available SQL generators
$plugins = get_list_of_plugins('lib/xmldb/classes/generators');
$reserved_words = array();
foreach($plugins as $plugin) {
$classname = 'XMLDB' . $plugin;
$generator = new $classname();
$reserved_words = array_merge($reserved_words, $generator->getReservedWords());
}
sort($reserved_words);
$reserved_words = array_unique($reserved_words);
/// Add the tables list
$tables =& $structure->getTables();
if ($tables) {
$o .= '<h3 class="main">' . $this->str['tables'] . '</h3>';
$o .= '<table id="listtables" border="0" align="center" cellpadding="5" cellspacing="1" class="flexible">';
$row = 0;
foreach ($tables as $table) {
/// Calculate buttons
$b = '</td><td class="button cell">';
/// The edit button
$b .= '<a href="index.php?action=edit_table&amp;table=' . $table->getName() . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['edit'] . ']</a>';
$b .= '</td><td class="button cell">';
/// The up button
if ($table->getPrevious()) {
$b .= '<a href="index.php?action=move_updown_table&amp;direction=up&amp;table=' . $table->getName() . '&amp;postaction=edit_xml_file' . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['up'] . ']</a>';
} else {
$b .= '[' . $this->str['up'] . ']';
}
$b .= '</td><td class="button cell">';
/// The down button
if ($table->getNext()) {
$b .= '<a href="index.php?action=move_updown_table&amp;direction=down&amp;table=' . $table->getName() . '&amp;postaction=edit_xml_file' . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['down'] . ']</a>';
} else {
$b .= '[' . $this->str['down'] . ']';
}
$b .= '</td><td class="button cell">';
/// The delete button (if we have more than one and it isn't used)
if (count($tables) > 1 &&
!$structure->getTableUses($table->getName())) {
///!$structure->getTableUses($table->getName())) {
$b .= '<a href="index.php?action=delete_table&amp;table=' . $table->getName() . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['delete'] . ']</a>';
} else {
$b .= '[' . $this->str['delete'] . ']';
}
/// Detect if the table name is a reserved word
if (in_array($table->getName(), $reserved_words)) {
$b .= '&nbsp;<a href="index.php?action=view_reserved_words"><span class="error">' . $this->str['reserved'] . '</span></a>';
}
$b .= '</td>';
/// Print table row
$o .= '<tr class="r' . $row . '"><td class="table cell"><a href="index.php?action=view_table_xml&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&amp;table=' . $table->getName() . '&amp;select=edited" target="_blank">' . $table->getName() . '</a>' . $b . '</tr>';
$row = ($row + 1) % 2;
}
$o .= '</table>';
}
///Add the statements list
$statements =& $structure->getStatements();
if ($statements) {
$o .= '<h3 class="main">' . $this->str['statements'] . '</h3>';
$o .= '<table id="liststatements" border="0" align="center" cellpadding="5" cellspacing="1" class="flexible">';
$row = 0;
foreach ($statements as $statement) {
/// Calculate buttons
$b = '</td><td class="button cell">';
/// The edit button
$b .= '<a href="index.php?action=edit_statement&amp;statement=' . $statement->getName() . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['edit'] . ']</a>';
$b .= '</td><td class="button cell">';
/// The up button
if ($statement->getPrevious()) {
$b .= '<a href="index.php?action=move_updown_statement&amp;direction=up&amp;statement=' . $statement->getName() . '&amp;postaction=edit_xml_file' . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['up'] . ']</a>';
} else {
$b .= '[' . $this->str['up'] . ']';
}
$b .= '</td><td class="button cell">';
/// The down button
if ($statement->getNext()) {
$b .= '<a href="index.php?action=move_updown_statement&amp;direction=down&amp;statement=' . $statement->getName() . '&amp;postaction=edit_xml_file' . '&amp;dir=' . urlencode(str_replace($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_statement&amp;statement=' . $statement->getName() . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['delete'] . ']</a>';
$b .= '</td>';
/// Print statement row
$o .= '<tr class="r' . $row . '"><td class="statement cell"><a href="index.php?action=view_statement_xml&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&amp;statement=' . $statement->getName() . '&amp;select=edited" target="_blank">' . $statement->getName() . '</a>' . $b . '</tr>';
$row = ($row + 1) % 2;
}
$o .= '</table>';
}
///Add the back to main
$this->output = $o;
}
}
/// Launch postaction if exists (leave this unmodified)
if ($this->getPostAction() && $result) {
return $this->launch($this->getPostAction());
}
return $result;
}
}
?>