dk.pun.charactercircle.client.AboutDialog.java Source code

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Here is the source code for dk.pun.charactercircle.client.AboutDialog.java

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/*
 * Copyright 2007 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package dk.pun.charactercircle.client;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Event.NativePreviewEvent;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.Widget;

/**
 * A simple example of an 'about' dialog box.
 */
public class AboutDialog extends DialogBox {

    interface Binder extends UiBinder<Widget, AboutDialog> {
    }

    private static final Binder binder = GWT.create(Binder.class);

    @UiField
    Button closeButton;

    public AboutDialog() {
        // Use this opportunity to set the dialog's caption.
        setText("About the Mail Sample");
        setWidget(binder.createAndBindUi(this));

        setAnimationEnabled(true);
        setGlassEnabled(true);
    }

    @Override
    protected void onPreviewNativeEvent(NativePreviewEvent preview) {
        super.onPreviewNativeEvent(preview);

        NativeEvent evt = preview.getNativeEvent();
        if (evt.getType().equals("keydown")) {
            // Use the popup's key preview hooks to close the dialog when either
            // enter or escape is pressed.
            switch (evt.getKeyCode()) {
            case KeyCodes.KEY_ENTER:
            case KeyCodes.KEY_ESCAPE:
                hide();
                break;
            }
        }
    }

    @UiHandler("closeButton")
    void onSignOutClicked(ClickEvent event) {
        hide();
    }
}