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   1  YUI.add('moodle-availability_group-form', function (Y, NAME) {
   2  
   3  /**
   4   * JavaScript for form editing group conditions.
   5   *
   6   * @module moodle-availability_group-form
   7   */
   8  M.availability_group = M.availability_group || {};
   9  
  10  /**
  11   * @class M.availability_group.form
  12   * @extends M.core_availability.plugin
  13   */
  14  M.availability_group.form = Y.Object(M.core_availability.plugin);
  15  
  16  /**
  17   * Groups available for selection (alphabetical order).
  18   *
  19   * @property groups
  20   * @type Array
  21   */
  22  M.availability_group.form.groups = null;
  23  
  24  /**
  25   * Initialises this plugin.
  26   *
  27   * @method initInner
  28   * @param {Array} groups Array of objects containing groupid => name
  29   */
  30  M.availability_group.form.initInner = function(groups) {
  31      this.groups = groups;
  32  };
  33  
  34  M.availability_group.form.getNode = function(json) {
  35      // Create HTML structure.
  36      var html = '<label>' + M.util.get_string('title', 'availability_group') + ' <span class="availability-group">' +
  37              '<select name="id">' +
  38              '<option value="choose">' + M.util.get_string('choosedots', 'moodle') + '</option>' +
  39              '<option value="any">' + M.util.get_string('anygroup', 'availability_group') + '</option>';
  40      for (var i = 0; i < this.groups.length; i++) {
  41          var group = this.groups[i];
  42          // String has already been escaped using format_string.
  43          html += '<option value="' + group.id + '">' + group.name + '</option>';
  44      }
  45      html += '</select></span></label>';
  46      var node = Y.Node.create('<span>' + html + '</span>');
  47  
  48      // Set initial values (leave default 'choose' if creating afresh).
  49      if (json.creating === undefined) {
  50          if (json.id !== undefined &&
  51                  node.one('select[name=id] > option[value=' + json.id + ']')) {
  52              node.one('select[name=id]').set('value', '' + json.id);
  53          } else if (json.id === undefined) {
  54              node.one('select[name=id]').set('value', 'any');
  55          }
  56      }
  57  
  58      // Add event handlers (first time only).
  59      if (!M.availability_group.form.addedEvents) {
  60          M.availability_group.form.addedEvents = true;
  61          var root = Y.one('#fitem_id_availabilityconditionsjson');
  62          root.delegate('change', function() {
  63              // Just update the form fields.
  64              M.core_availability.form.update();
  65          }, '.availability_group select');
  66      }
  67  
  68      return node;
  69  };
  70  
  71  M.availability_group.form.fillValue = function(value, node) {
  72      var selected = node.one('select[name=id]').get('value');
  73      if (selected === 'choose') {
  74          value.id = 'choose';
  75      } else if (selected !== 'any') {
  76          value.id = parseInt(selected, 10);
  77      }
  78  };
  79  
  80  M.availability_group.form.fillErrors = function(errors, node) {
  81      var value = {};
  82      this.fillValue(value, node);
  83  
  84      // Check group item id.
  85      if (value.id && value.id === 'choose') {
  86          errors.push('availability_group:error_selectgroup');
  87      }
  88  };
  89  
  90  
  91  }, '@VERSION@', {"requires": ["base", "node", "event", "moodle-core_availability-form"]});