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   1  /**
   2   * JavaScript for form editing profile conditions.
   3   *
   4   * @module moodle-availability_profile-form
   5   */
   6  M.availability_profile = M.availability_profile || {};
   7  
   8  /**
   9   * @class M.availability_profile.form
  10   * @extends M.core_availability.plugin
  11   */
  12  M.availability_profile.form = Y.Object(M.core_availability.plugin);
  13  
  14  /**
  15   * Groupings available for selection (alphabetical order).
  16   *
  17   * @property profiles
  18   * @type Array
  19   */
  20  M.availability_profile.form.profiles = null;
  21  
  22  /**
  23   * Initialises this plugin.
  24   *
  25   * @method initInner
  26   * @param {Array} standardFields Array of objects with .field, .display
  27   * @param {Array} customFields Array of objects with .field, .display
  28   */
  29  M.availability_profile.form.initInner = function(standardFields, customFields) {
  30      this.standardFields = standardFields;
  31      this.customFields = customFields;
  32  };
  33  
  34  M.availability_profile.form.getNode = function(json) {
  35      // Create HTML structure.
  36      var strings = M.str.availability_profile;
  37      var html = '<span class="availability-group"><label>' + strings.conditiontitle + ' ' +
  38              '<select name="field">' +
  39              '<option value="choose">' + M.str.moodle.choosedots + '</option>';
  40      var fieldInfo;
  41      for (var i = 0; i < this.standardFields.length; i++) {
  42          fieldInfo = this.standardFields[i];
  43          // String has already been escaped using format_string.
  44          html += '<option value="sf_' + fieldInfo.field + '">' + fieldInfo.display + '</option>';
  45      }
  46      for (i = 0; i < this.customFields.length; i++) {
  47          fieldInfo = this.customFields[i];
  48          // String has already been escaped using format_string.
  49          html += '<option value="cf_' + fieldInfo.field + '">' + fieldInfo.display + '</option>';
  50      }
  51      html += '</select></label> <label><span class="accesshide">' + strings.label_operator +
  52              ' </span><select name="op" title="' + strings.label_operator + '">';
  53      var operators = ['isequalto', 'contains', 'doesnotcontain', 'startswith', 'endswith',
  54              'isempty', 'isnotempty'];
  55      for (i = 0; i < operators.length; i++) {
  56          html += '<option value="' + operators[i] + '">' +
  57                  strings['op_' + operators[i]] + '</option>';
  58      }
  59      html += '</select></label> <label><span class="accesshide">' + strings.label_value +
  60              '</span><input name="value" type="text" style="width: 10em" title="' +
  61              strings.label_value + '"/></label></span>';
  62      var node = Y.Node.create('<span>' + html + '</span>');
  63  
  64      // Set initial values if specified.
  65      if (json.sf !== undefined &&
  66              node.one('select[name=field] > option[value=sf_' + json.sf + ']')) {
  67          node.one('select[name=field]').set('value', 'sf_' + json.sf);
  68      } else if (json.cf !== undefined &&
  69              node.one('select[name=field] > option[value=cf_' + json.cf + ']')) {
  70          node.one('select[name=field]').set('value', 'cf_' + json.cf);
  71      }
  72      if (json.op !== undefined &&
  73              node.one('select[name=op] > option[value=' + json.op + ']')) {
  74          node.one('select[name=op]').set('value', json.op);
  75          if (json.op === 'isempty' || json.op === 'isnotempty') {
  76              node.one('input[name=value]').set('disabled', true);
  77          }
  78      }
  79      if (json.v !== undefined) {
  80          node.one('input').set('value', json.v);
  81      }
  82  
  83      // Add event handlers (first time only).
  84      if (!M.availability_profile.form.addedEvents) {
  85          M.availability_profile.form.addedEvents = true;
  86          var updateForm = function(input) {
  87              var ancestorNode = input.ancestor('span.availability_profile');
  88              var op = ancestorNode.one('select[name=op]');
  89              var novalue = (op.get('value') === 'isempty' || op.get('value') === 'isnotempty');
  90              ancestorNode.one('input[name=value]').set('disabled', novalue);
  91              M.core_availability.form.update();
  92          };
  93          var root = Y.one('#fitem_id_availabilityconditionsjson');
  94          root.delegate('change', function() {
  95               updateForm(this);
  96          }, '.availability_profile select');
  97          root.delegate('change', function() {
  98               updateForm(this);
  99          }, '.availability_profile input[name=value]');
 100      }
 101  
 102      return node;
 103  };
 104  
 105  M.availability_profile.form.fillValue = function(value, node) {
 106      // Set field.
 107      var field = node.one('select[name=field]').get('value');
 108      if (field.substr(0, 3) === 'sf_') {
 109          value.sf = field.substr(3);
 110      } else if (field.substr(0, 3) === 'cf_') {
 111          value.cf = field.substr(3);
 112      }
 113  
 114      // Operator and value
 115      value.op = node.one('select[name=op]').get('value');
 116      var valueNode = node.one('input[name=value]');
 117      if (!valueNode.get('disabled')) {
 118          value.v = valueNode.get('value');
 119      }
 120  };
 121  
 122  M.availability_profile.form.fillErrors = function(errors, node) {
 123      var value = {};
 124      this.fillValue(value, node);
 125  
 126      // Check profile item id.
 127      if (value.sf === undefined && value.cf === undefined) {
 128          errors.push('availability_profile:error_selectfield');
 129      }
 130      if (value.v !== undefined && /^\s*$/.test(value.v)) {
 131          errors.push('availability_profile:error_setvalue');
 132      }
 133  };