Method init

packages/fairygui/src/widgets/Window.ts:398–419

* Initialize window * 初始化窗口

()

     * 初始化窗口
     */
    public init(): void {
        if (this._inited || this._loading) {
            return;
        }

        if (this._uiSources.length > 0) {
            this._loading = false;

            for (const source of this._uiSources) {
                if (!source.loaded) {
                    source.load(this.onUILoadComplete.bind(this), this);
                    this._loading = true;
                }
            }

            if (!this._loading) {
                this.doInit();
            }
        } else {
            this.doInit();
        }
    }

    /**
     * Called when window is initialized