Example usage for com.google.gwt.coreext.client JSOArray peek

Introduction

In this page you can find the example usage for com.google.gwt.coreext.client JSOArray peek.

Prototype

public final native T peek() ;

Source Link

Document

Returns the last element in the array.

Usage

From source file:com.google.speedtracer.client.HotKey.java

License:Apache License

private static EventListenerRemover addEventListeners() {
    final JSOArray<Handler> stack = JSOArray.create();
    final EventListenerRemover downRemover = Event.addEventListener(KeyDownEvent.NAME, Document.get(),
            new EventListener() {
                public void handleEvent(Event event) {
                    final Data data = handlers.get(event.getKeyCode());
                    if (data == null || !event.getCtrlKey()) {
                        return;
                    }//from   ww w. java2s.c o  m
                    Handler handler = data.getHandler();
                    handler.onKeyDown(new KeyDownEvent(handler, event));
                    stack.push(handler);
                    event.preventDefault();
                }
            });

    final EventListenerRemover upRemover = Event.addEventListener(KeyUpEvent.NAME, Document.get(),
            new EventListener() {
                public void handleEvent(Event event) {
                    if (stack.peek() == null) {
                        return;
                    }

                    final Handler handler = stack.pop();
                    handler.onKeyUp(new KeyUpEvent(handler, event));
                }
            });

    return new EventListenerRemover() {
        public void remove() {
            downRemover.remove();
            upRemover.remove();
        }
    };
}

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