moodle/admin/xmldb/actions/edit_sentence/edit_sentence.class.php

153 lines
6.4 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 provide the interface for all the edit sentence actions
class edit_sentence 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',
'vieworiginal' => 'xmldb',
'viewedited' => 'xmldb',
'back' => '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_CLEAN);
$dirpath = stripslashes_safe($dirpath);
/// Get the correct dirs
if (!empty($XMLDB->dbdirs)) {
$dbdir =& $XMLDB->dbdirs[$dirpath];
} else {
return false;
}
if (!empty($XMLDB->editeddirs)) {
$editeddir =& $XMLDB->editeddirs[$dirpath];
$structure =& $editeddir->xml_file->getStructure();
}
/// ADD YOUR CODE HERE
/// Fetch request data
$statementparam = required_param('statement', PARAM_CLEAN);
$sentenceparam = optional_param('sentence', NULL, PARAM_CLEAN);
if (!$statement =& $structure->getStatement($statementparam)) {
$this->errormsg = 'Wrong statement specified: ' . $statementparam;
return false;
}
$sentences =& $statement->getSentences();
/// If no sentence has been specified, edit the last one
if ($sentenceparam === NULL) {
end($sentences);
$sentenceparam = key($sentences);
}
if (!$sentence =& $sentences[$sentenceparam]) {
$this->errormsg = 'Wrong Sentence: ' . $sentenceparam;
return false;
}
$dbdir =& $XMLDB->dbdirs[$dirpath];
$origstructure =& $dbdir->xml_file->getStructure();
/// Based in the type of statement, print different forms
if ($statement->getType() != XMLDB_STATEMENT_INSERT) {
/// Only INSERT is allowed!!
$this->errormsg = 'Wrong Statement Type. Only INSERT allowed';
return false;
} else {
/// Prepare INSERT sentence
$fields = $statement->getFieldsFromInsertSentence($sentence);
$values = $statement->getValuesFromInsertSentence($sentence);
/// Add the main form
$o = '<form name="form" id="form" action="index.php" method="post">';
$o.= ' <input type="hidden" name ="dir" value="' . $dirpath . '" />';
$o.= ' <input type="hidden" name ="statement" value="' . $statementparam .'" />';
$o.= ' <input type="hidden" name ="sentence" value="' . $sentenceparam .'" />';
$o.= ' <input type="hidden" name ="action" value="edit_sentence_save" />';
$o.= ' <input type="hidden" name ="postaction" value="edit_statement" />';
$o.= ' <table id="formelements" align="center">';
/// The fields box
$o.= ' <tr><td>INSERT INTO ' . s($statement->getTable()) . '</td></tr>';
$o.= ' <tr><td><textarea name="fields" rows="2" cols="70" id="fields">' . s(implode(', ', $fields)) . '</textarea></td></tr>';
/// The values box
$o.= ' <tr><td>VALUES</td></tr>';
$o.= ' <tr><td><textarea name="values" rows="2" cols="70" id="values">' . s(implode(', ', $values)) . '</textarea></td></tr>';
/// The submit button
$o.= ' <tr valign="top"><td><input type="submit" value="' .$this->str['change'] . '" /></td></tr>';
$o.= ' </table>';
$o.= '</form>';
/// Calculate the buttons
$b = ' <p align="center" class="buttons">';
/// The back to edit statement button
$b .= '&nbsp;<a href="index.php?action=edit_statement&amp;statement=' . urlencode($statementparam) . '&amp;dir=' . urlencode($dirpath) . '">[' . $this->str['back'] . ']</a>';
$b .= '</p>';
$o .= $b;
$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;
}
}
?>