admin/xmldb/actions/edit_key/edit_key.js

   1 /// $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
  28 /// Register the needed events
  29
  30     onload=function() {
  31     /// Adjust the form on load
  32         transformForm();
  33
  34     /// Get the required fields
  35         var typeField         = document.getElementById('menutype');
  36
  37     /// Register the rest of events
  38         if (typeField.addEventListener) {
  39         /// Standard
  40             typeField.addEventListener('change', transformForm, false);
  41         } else {
  42         /// IE 5.5
  43             typeField.attachEvent('onchange', transformForm);
  44         }
  45     }
  46
  47 /**
  48  * This function controls all modifications to perform when any field changes
  49  */
  50 function transformForm(event) {
  51
  52 /// Initialize all the needed variables
  53     var typeField         = document.getElementById('menutype');
  54     var fieldsField       = document.getElementById('fields');
  55     var reftableField     = document.getElementById('reftable');
  56     var reffieldsField    = document.getElementById('reffields');
  57
  58 /// Initially, enable everything
  59     typeField.disabled = false;
  60     fieldsField.disabled = false;
  61     reftableField.disabled = false;
  62     reffieldsField.disabled = false;
  63
  64 /// Based on type, disable some items
  65     switch (typeField.value) {
  66         case '1':  // XMLDB_KEY_PRIMARY
  67         case '2':  // XMLDB_KEY_UNIQUE
  68             reftableField.disabled = true;
  69             reftableField.value = '';
  70             reffieldsField.disabled = true;
  71             reffieldsField.value = '';
  72             break;
  73         case '3':  // XMLDB_KEY_FOREIGN
  74         case '5':  // XMLDB_KEY_FOREIGN_UNIQUE
  75             break;
  76     }
  77 }