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beforeCellsRemove

Description

Fires before cells of the swimlane are removed

Usage

beforeCellsRemove: (swimlaneId: string | number) => boolean | void;

Parameters

The callback of the event takes the following parameter:

  • swimlaneId - (required) the id of the item

Returns

Return false to prevent removing of the cells, otherwise true

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("beforeCellsRemove", (swimlaneId) => {
console.log(swimlaneId);
return true;
});

Change log: Added in v4.0

Related articles: Configuring Swimlanes