skodak
127 lines
4.7 KiB
PHP
127 lines
4.7 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 display the XML for one statement being edited
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class view_statement_xml 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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$this->loadStrings(array(
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/// 'key' => 'module',
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));
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}
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/**
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* Invoke method, every class will have its own
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* returns true/false on completion, setting both
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* errormsg and output as necessary
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*/
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function invoke() {
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parent::invoke();
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$result = true;
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/// Set own core attributes
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$this->does_generate = ACTION_GENERATE_XML;
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/// These are always here
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global $CFG, $XMLDB;
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/// Do the job, setting result as needed
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/// Get the file parameter
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$statement = required_param('statement', PARAM_CLEAN);
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$select = required_param('select', PARAM_ALPHA); //original/edited
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/// Get the dir containing the file
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$dirpath = required_param('dir', PARAM_PATH);
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$dirpath = $CFG->dirroot . stripslashes_safe($dirpath);
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/// Get the correct dir
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if ($select == 'original') {
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if (!empty($XMLDB->dbdirs)) {
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$base =& $XMLDB->dbdirs[$dirpath];
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}
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} else if ($select == 'edited') {
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if (!empty($XMLDB->editeddirs)) {
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$base =& $XMLDB->editeddirs[$dirpath];
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}
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} else {
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$this->errormsg = 'Cannot access to ' . $select . ' info';
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$result = false;
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}
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if ($base) {
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/// Only if the directory exists and it has been loaded
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if (!$base->path_exists || !$base->xml_loaded) {
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$this->errormsg = 'Directory ' . $dirpath . ' not loaded';
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return false;
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}
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} else {
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$this->errormsg = 'Problem handling ' . $select . ' files';
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return false;
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}
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/// Get the structure
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if ($result) {
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if (!$structure =& $base->xml_file->getStructure()) {
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$this->errormsg = 'Error retrieving ' . $select . ' structure';
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$result = false;
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}
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}
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/// Get the statements
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if ($result) {
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if (!$statements =& $structure->getStatements()) {
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$this->errormsg = 'Error retrieving ' . $select . ' statements';
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$result = false;
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}
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}
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/// Get the statement
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if ($result && !$t =& $structure->getStatement($statement)) {
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$this->errormsg = 'Error retrieving ' . $statement . ' statement';
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$result = false;
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}
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if ($result) {
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/// Everything is ok. Generate the XML output
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$this->output = $t->xmlOutput();
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} else {
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/// Switch to HTML and error
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$this->does_generate = ACTION_GENERATE_HTML;
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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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