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Collapse

events

Fires when an item is about to be collapsed. The event handler function context (available through the this keyword) will be set to the widget instance.

collapse

Event Data

e.sender `kendo.ui.TreeList`

The widget instance which fired the event.

e.model `kendo.data.TreeListModel`

The data item to which the table row is bound.

e.preventDefault `Function`

If invoked, prevents the collapse action. The child table rows will not be hidden.

<div id="treeList"></div>
 <script>
    $("#treeList").kendoTreeList({
      columns: [
        { field: "Name" },
        { field: "Position" }
      ],
      dataSource: [
        { id: 1, Name: "Daryl Sweeney", Position: "CEO", parentId: null, expanded: true },
        { id: 2, Name: "Guy Wooten", Position: "Chief Technical Officer", parentId: 1 }
      ],
      collapse: function(e) {
/* The result can be observed in the DevTools(F12) console of the browser. */
        console.log("collapse");
      }
    });
</script>

<div id="treeList"></div>
 <script>
    function collapse(e) {
/* The result can be observed in the DevTools(F12) console of the browser. */
        console.log("collapse");
    }
    $("#treeList").kendoTreeList({
      columns: [
        { field: "Name" },
        { field: "Position" }
      ],
      dataSource: [
        { id: 1, Name: "Daryl Sweeney", Position: "CEO", parentId: null, expanded: true },
        { id: 2, Name: "Guy Wooten", Position: "Chief Technical Officer", parentId: 1 }
      ]
    });

    var treeList = $("#treeList").data("kendoTreeList");
    treeList.bind("collapse", collapse);
    treeList.dataSource.fetch();
</script>

Collapse

collapse

Event Data

e.sender kendo.ui.TreeList

e.model kendo.data.TreeListModel

e.preventDefault Function

e.sender `kendo.ui.TreeList`

e.model `kendo.data.TreeListModel`

e.preventDefault `Function`