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itemMouseDown

Description​

Fires when a pointing device button is pressed while the pointer is over an item

If a pointing device button is pressed while the pointer is over a swimlane, the event will be fired on the cell of the swimlane

Usage​

itemMouseDown: (
    id: string | number, 
    event: MouseEvent
) => void;

Parameters​

The callback of the event takes the following parameters:

  • id - (required) the id of an item
  • event - (required) a native HTML event object

Example​

// initializing Diagram
const diagram = new dhx.Diagram("diagram_container", {
    type: "default"
});
// loading data
diagram.data.parse(data);

// attaching a handler to the event
diagram.events.on("itemMouseDown", (id, event) => {
    console.log(id, event);
});

Change log: Added in v4.0

Related article: Event handling