columns.filterable.ui String|Function

The role data attribute of the widget that is used in the filter menu, or a JavaScript function which initializes that widget.

Example - specifyinging the filter UI as a string

<div id="gantt"></div>
<script>
$("#gantt").kendoGantt({
  filterable: true,
  dataSource: [
    {
      id: 1,
      orderId: 0,
      parentId: null,
      title: "Task1",
      start: new Date("2014/6/17 9:00"),
      end: new Date("2014/6/17 11:00")
    },
    {
      id: 2,
      orderId: 1,
      parentId: null,
      title: "Task2",
      start: new Date("2014/6/17 12:00"),
      end: new Date("2014/6/17 14:00")
    }
  ],
  dependencies: [
    {
      predecessorId: 1,
      successorId: 2,
      type: 1
    }
  ],
  columns: [{
    field: "title"
  }, {
    field: "start",
    filterable: {
      ui: "datepicker" // use Kendo UI DatePicker
    }
  }, {
    field: "end"
  }]
});
</script>

Example - initializing the filter UI

<div id="gantt"></div>
<script>
$("#gantt").kendoGantt({
  filterable: true,
  dataSource: [
    {
      id: 1,
      orderId: 0,
      parentId: null,
      title: "Task1",
      start: new Date("2014/6/17 9:00"),
      end: new Date("2014/6/17 11:00")
    },
    {
      id: 2,
      orderId: 1,
      parentId: null,
      title: "Task2",
      start: new Date("2014/6/17 12:00"),
      end: new Date("2014/6/17 14:00")
    }
  ],
  dependencies: [
    {
      predecessorId: 1,
      successorId: 2,
      type: 1
    }
  ],
  columns: [{
    field: "title"
  }, {
    field: "start",
    filterable: {
      ui: function(element) {
        element.kendoDatePicker(); // initialize a Kendo UI DatePicker
      }
    }
  }, {
    field: "end"
  }]
});
</script>
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