Method constructor

packages/fairygui/src/widgets/PopupMenu.ts:41–68

(resourceURL?: string)

    protected _list: GList;

    constructor(resourceURL?: string) {
        if (!resourceURL) {
            resourceURL = getUIConfig('popupMenu');
            if (!resourceURL) {
                throw new Error('UIConfig.popupMenu not defined');
            }
        }

        const obj = UIPackage.createObjectFromURL(resourceURL);
        if (!obj || !(obj instanceof GComponent)) {
            throw new Error(`Failed to create popup menu from: ${resourceURL}`);
        }

        this._contentPane = obj;
        this._contentPane.on(FGUIEvents.DISPLAY, this.onAddedToStage, this);

        const list = this._contentPane.getChild('list');
        if (!list || !(list instanceof GList)) {
            throw new Error('PopupMenu content pane must have a child named "list" of type GList');
        }

        this._list = list;
        this._list.removeChildrenToPool();
        this._list.relations.add(this._contentPane, ERelationType.Width);
        this._list.relations.remove(this._contentPane, ERelationType.Height);
        this._contentPane.relations.add(this._list, ERelationType.Height);
        this._list.on(FGUIEvents.CLICK_ITEM, this.onClickItem, this);
    }

    /**
     * Dispose the menu