update: function()

in js/projection/column-group.js [19:66]

• 42 lines of code
• 10 McCabe index (conditional complexity)

    update: function (options) {
      if (Model.__super__.update.call(this, options)) {
        var model = this.src.data;
        var columnGroup = this.get('column.group') || {};
        var groupExpansion = {};
        _.each(this.get('column.groupExpansion') || [], function (columnName) {
          groupExpansion[columnName] = true;
        });
        var select = this.get('column.select') || model.get('select');
        var columns = model.get('columns');
        var date = model.get('jsdata.query');
        var subSelect = [];
        var isApplyGroup = date && date.startDate2 && date.endDate2;

        _.chain(columns).keys().each(function (key) {
          if (isApplyGroup && _.has(columnGroup, key)) {
            columns[key].group = columnGroup[key];
            columns[key].groupExpansion = _.has(groupExpansion, key);
          } else {
            columns[key].group = null;
            columns[key].groupExpansion = false;
          }
        });

        var selectExpand = select.slice(0);

        _.each(select, function (columnName) {
          var column = columns[columnName];
          var subColumns = column.group;
          if (column.groupExpansion) {
            var nameIndex = selectExpand.indexOf(columnName);
            selectExpand.splice.apply(selectExpand, [nameIndex, 1].concat(subColumns));
            subSelect = subSelect.concat(subColumns);
          }
        }, this);

        this.patch({
          columns: columns,
          select: select,
          subSelect: subSelect,
          selectExpand: selectExpand,
          isApplyGroup: isApplyGroup,
        });
      } else {
        // todo [akamel] unset our properties only
        // this.unset();
      }
    },