getItem()
Description
Returns the object of the specified selected item or of the last selected item when called without arguments
Usage
getItem({
id: string | number
}): object;
//or
getItem(): object;
Parameters
The method takes as an argument an object with the following parameter:
id- (required) the id of the item in question
Returns
The method returns the object of the specified item, if it is in the selection list, or the object of the last selected item, if called without arguments
Example
// a diagram must be created with the "select:true" option
const diagram = new dhx.Diagram("diagram_container", {
select: true
});
// loading data
diagram.data.parse(data);
console.log(diagram.selection.getIds()); // -> ["1", "2", "3"]
// getting the last selected item
const item = diagram.selection.getItem();
// -> {id: "3", text: "Technical Director", title: "Jerry Wagner"}
// getting the selected item by id
const item = diagram.selection.getItem({ id: "1" });
// -> {id: "1", text: "Chairman & CEO", title: "Henry Bennett"}
// trying to get an item which is not in the selection list
const item = diagram.selection.getItem({ id: "4" });
// -> returns undefined, since there is no item with the specified id in the selection list
Change log: Updated in v6.0
Related articles:
Related sample: Diagram. Selection. Item selection