Example usage for com.google.gwt.gen2.event.dom.client KeyDownHandler KeyDownHandler

Introduction

In this page you can find the example usage for com.google.gwt.gen2.event.dom.client KeyDownHandler KeyDownHandler.

Prototype

KeyDownHandler

Source Link

Usage

From source file:com.google.gwt.gen2.demo.datepicker.client.DatePickerDemo.java

License:Apache License

private Widget dateRange() {
    VerticalPanel v = new VerticalPanel();
    HorizontalPanel p = new HorizontalPanel();
    v.add(p);//from   w  w  w  .  j  a v a2 s. com
    start = new DateBox();
    start.setAnimationEnabled(true);
    final DateBox end = new DateBox();
    end.setAnimationEnabled(true);

    start.addKeyDownHandler(new KeyDownHandler() {
        public void onKeyDown(KeyDownEvent e) {
            if (e.isRightKeyCode() && start.getCursorPos() == start.getText().length()) {
                start.hideDatePicker();
                end.setFocus(true);
            }
        }
    });

    end.addKeyDownHandler(new KeyDownHandler() {
        public void onKeyDown(KeyDownEvent e) {
            if ((e.isLeftKeyCode()) && end.getCursorPos() == 0) {
                start.setFocus(true);
                end.hideDatePicker();
            }
        }
    });

    end.getDatePicker().addSelectionHandler(new SelectionHandler<Date>() {
        public void onSelection(SelectionEvent<Date> event) {
            start.removeStyleName("user-modified");
        }
    });

    start.showDate(new Date());

    p.add(start);
    Label l = new Label(" - ");
    l.setStyleName("filler");
    p.add(l);
    p.add(end);
    HorizontalPanel h2 = new HorizontalPanel();
    v.add(h2);
    h2.add(new Button("Short format", new ClickListener() {

        public void onClick(Widget sender) {
            start.setDateFormat(DateTimeFormat.getShortDateFormat());
            end.setDateFormat(DateTimeFormat.getShortDateFormat());
        }
    }));
    h2.add(new Button("Long format", new ClickListener() {

        public void onClick(Widget sender) {
            start.setDateFormat(DateTimeFormat.getLongDateFormat());
            end.setDateFormat(DateTimeFormat.getLongDateFormat());
        }
    }));

    h2.add(new Button("clear", new ClickListener() {
        public void onClick(Widget sender) {
            start.clear();
            end.clear();
        }
    }));
    return v;
}

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