admin/xmldb/actions/unload_xml_file/unload_xml_file.class.php

   1 <?php // $Id$
   2
   3 ///////////////////////////////////////////////////////////////////////////
   4 //                                                                       //
   5 // NOTICE OF COPYRIGHT                                                   //
   6 //                                                                       //
   7 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   8 //          http://moodle.com                                            //
   9 //                                                                       //
  10 // Copyright (C) 2001-3001 Martin Dougiamas        http://dougiamas.com  //
  11 //           (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com  //
  12 //                                                                       //
  13 // This program is free software; you can redistribute it and/or modify  //
  14 // it under the terms of the GNU General Public License as published by  //
  15 // the Free Software Foundation; either version 2 of the License, or     //
  16 // (at your option) any later version.                                   //
  17 //                                                                       //
  18 // This program is distributed in the hope that it will be useful,       //
  19 // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  21 // GNU General Public License for more details:                          //
  22 //                                                                       //
  23 //          http://www.gnu.org/copyleft/gpl.html                         //
  24 //                                                                       //
  25 ///////////////////////////////////////////////////////////////////////////
  26
  27 /// This class will unload one loaded file completely
  28
  29 class unload_xml_file extends XMLDBAction {
  30
  31     /**
  32      * Init method, every subclass will have its own
  33      */
  34     function init() {
  35         parent::init();
  36
  37     /// Set own custom attributes
  38
  39     /// Get needed strings
  40         $this->loadStrings(array(
  41         /// 'key' => 'module',
  42         ));
  43     }
  44
  45     /**
  46      * Invoke method, every class will have its own
  47      * returns true/false on completion, setting both
  48      * errormsg and output as necessary
  49      */
  50     function invoke() {
  51         parent::invoke();
  52
  53         $result = true;
  54
  55     /// Set own core attributes
  56         $this->does_generate = ACTION_NONE;
  57         //$this->does_generate = ACTION_GENERATE_HTML;
  58
  59     /// These are always here
  60         global $CFG, $XMLDB;
  61
  62     /// Do the job, setting result as needed
  63
  64     /// Get the dir containing the file
  65         $dirpath = required_param('dir', PARAM_PATH);
  66         $dirpath = $CFG->dirroot . stripslashes_safe($dirpath);
  67
  68         /// Get the original dir and delete some elements
  69         if (!empty($XMLDB->dbdirs)) {
  70             if (isset($XMLDB->dbdirs[$dirpath])) {
  71                 $dbdir =& $XMLDB->dbdirs[$dirpath];
  72                 if ($dbdir) {
  73                     unset($dbdir->xml_file);
  74                     unset($dbdir->xml_loaded);
  75                     unset($dbdir->xml_changed);
  76                     unset($dbdir->xml_exists);
  77                     unset($dbdir->xml_writeable);
  78                 }
  79             }
  80         }
  81         /// Get the edited dir and delete it completely
  82         if (!empty($XMLDB->editeddirs)) {
  83             if (isset($XMLDB->editeddirs[$dirpath])) {
  84                 unset($XMLDB->editeddirs[$dirpath]);
  85             }
  86         }
  87
  88     /// Launch postaction if exists (leave this here!)
  89         if ($this->getPostAction() && $result) {
  90             return $this->launch($this->getPostAction());
  91         }
  92
  93     /// Return ok if arrived here
  94         return $result;
  95     }
  96 }
  97 ?>