com.preferanser.client.application.widgets.EscapableDialogBox.java Source code

Introduction

Here is the source code for com.preferanser.client.application.widgets.EscapableDialogBox.java

Source

/*
 * Preferanser is a program to simulate and calculate Russian Preferans Card game deals.
 *
 *     Copyright (C) 2013  Yuriy Lazarev <Yuriy.Lazarev@gmail.com>
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see [http://www.gnu.org/licenses/].
 */

package com.preferanser.client.application.widgets;

import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.DialogBox;

/**
 * Dialog Box widget that closes itself when ESCAPE pressed
 */
public class EscapableDialogBox extends DialogBox {

    @Override
    protected void onPreviewNativeEvent(Event.NativePreviewEvent event) {
        if (!event.isCanceled() && event.getTypeInt() == Event.ONKEYDOWN
                && event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ESCAPE) {
            this.hide();
        }
        super.onPreviewNativeEvent(event);
    }

}