admin/xmldb/index.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) 1999 onwards 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 is the main script for the complete XMLDB interface. From here
  28 /// all the actions supported will be launched.
  29
  30 /// Add required XMLDB constants
  31     require_once('../../lib/xmldb/classes/XMLDBConstants.php');
  32
  33 /// Add required XMLDB action classes
  34     require_once('actions/XMLDBAction.class.php');
  35
  36 /// Add main XMLDB Generator
  37     require_once('../../lib/xmldb/classes/generators/XMLDBGenerator.class.php');
  38
  39 /// Add required XMLDB DB classes
  40     require_once('../../lib/xmldb/classes/XMLDBObject.class.php');
  41     require_once('../../lib/xmldb/classes/XMLDBFile.class.php');
  42     require_once('../../lib/xmldb/classes/XMLDBStructure.class.php');
  43     require_once('../../lib/xmldb/classes/XMLDBTable.class.php');
  44     require_once('../../lib/xmldb/classes/XMLDBField.class.php');
  45     require_once('../../lib/xmldb/classes/XMLDBKey.class.php');
  46     require_once('../../lib/xmldb/classes/XMLDBIndex.class.php');
  47     require_once('../../lib/xmldb/classes/XMLDBStatement.class.php');
  48
  49 /// Add Moodle config script (this is loaded AFTER all the rest
  50 /// of classes because it starts the SESSION and classes to be
  51 /// stored there MUST be declared before in order to avoid
  52 /// getting "incomplete" objects
  53     require_once('../../config.php');
  54     require_once($CFG->libdir.'/adminlib.php');
  55     require_once($CFG->libdir.'/ddllib.php'); // Install/upgrade related db functions
  56
  57     admin_externalpage_setup('xmldbeditor');
  58
  59 /// Add other used libraries
  60     require_once($CFG->libdir . '/xmlize.php');
  61
  62 /// Add all the available SQL generators
  63     $generators = get_list_of_plugins('lib/xmldb/classes/generators');
  64     foreach($generators as $generator) {
  65         require_once ('../../lib/xmldb/classes/generators/' . $generator . '/' . $generator . '.class.php');
  66     }
  67
  68 /// Handle session data
  69     global $XMLDB;
  70 /// The global SESSION object where everything will happen
  71     if (!isset($SESSION->xmldb)) {
  72         $SESSION->xmldb = new stdClass;
  73     }
  74     $XMLDB =& $SESSION->xmldb;
  75
  76 /// Some previous checks
  77     if (! $site = get_site()) {
  78         redirect("$CFG->wwwroot/$CFG->admin/index.php");
  79     }
  80
  81     require_login();
  82     require_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM));
  83
  84 /// Body of the script, based on action, we delegate the work
  85     $action = optional_param ('action', 'main_view', PARAM_ALPHAEXT);
  86
  87 /// Get the action path and invoke it
  88     $actionsroot = "$CFG->dirroot/$CFG->admin/xmldb/actions";
  89     $actionclass = $action . '.class.php';
  90     $actionpath = "$actionsroot/$action/$actionclass";
  91
  92 /// Load and invoke the proper action
  93     if (file_exists($actionpath) && is_readable($actionpath)) {
  94         require_once($actionpath);
  95         if ($xmldb_action = new $action) {
  96             //Invoke it
  97             $result = $xmldb_action->invoke();
  98             if ($result) {
  99             /// Based on getDoesGenerate()
 100                 switch ($xmldb_action->getDoesGenerate()) {
 101                     case ACTION_GENERATE_HTML:
 102                     /// Define $CFG->javascript to use our custom javascripts.
 103                     /// Save the original one to add it from ours. Global too! :-(
 104                         global $standard_javascript;
 105                         $standard_javascript = $CFG->javascript;  // Save original javascript file
 106                         $CFG->javascript = $CFG->dirroot.'/'.$CFG->admin.'/xmldb/javascript.php';  //Use our custom javascript code
 107                     /// Go with standard admin header
 108                         admin_externalpage_print_header();
 109                         print_heading($xmldb_action->getTitle());
 110                         echo $xmldb_action->getOutput();
 111                         admin_externalpage_print_footer();
 112                         break;
 113                     case ACTION_GENERATE_XML:
 114                         header('Content-type: application/xhtml+xml');
 115                         echo $xmldb_action->getOutput();
 116                         break;
 117                 }
 118             } else {
 119                 error($xmldb_action->getError());
 120             }
 121         } else {
 122             error ("Error: cannot instantiate class (actions/$action/$actionclass)");
 123         }
 124     } else {
 125         error ("Error: wrong action specified ($action)");
 126     }
 127
 128     if ($xmldb_action->getDoesGenerate() != ACTION_GENERATE_XML) {
 129         if (debugging()) {
 130             ///print_object($XMLDB);
 131         }
 132     }
 133
 134 ?>