expandItem()

Description

Shows all children of the target shape or expands the group/swimlane

Usage

expandItem(
    id: string | number, 
    dir?: string
): void;

Parameters

• id - (required) the ID of the item
• dir - (optional) defines the side the children will be shown in relation to the root shape: "left", "right"
  note

  The dir parameter can be used only when the diagram is initialized in the mindmap mode (type:"mindmap")

Example

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

diagram.expandItem(123);

or

const diagram = new dhx.Diagram("diagram_container", {
    type:"mindmap"
});
diagram.data.parse(data);

diagram.expandItem("main", "left");

Change log: The dir parameter was added in v3.1

Related articles: Expanding/collapsing items