com.google.gwt.gadgets.sample.hellogadgets.client.HelloGadgets.java Source code

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Here is the source code for com.google.gwt.gadgets.sample.hellogadgets.client.HelloGadgets.java

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/*
 * Copyright 2008 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 com.google.gwt.gadgets.sample.hellogadgets.client;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.gadgets.client.Gadget;
import com.google.gwt.gadgets.client.Gadget.AllowHtmlQuirksMode;
import com.google.gwt.gadgets.client.Gadget.ModulePrefs;
import com.google.gwt.gadgets.client.Gadget.UseLongManifestName;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.VerticalPanel;

/**
 * HelloWorld Gadget.
 */
// Added comments at the end of each line to break up Eclipse's auto formatting.
@ModulePrefs(//
        title = "Hello GWT for gadgets!", //
        directory_title = "HelloGadgets - Google APIs for GWT", //
        author = "Eric Ayers", //
        author_email = "zundel@google.com", //
        author_affiliation = "Google Inc.", //
        height = 210, //
        thumbnail = "gwt-hello-gadgets-igoogle-thumb.png", //
        screenshot = "gwt-hello-gadgets-igoogle.png")
// Create a short manifest name (instead of prepending the package prefix)
@UseLongManifestName(false)
@AllowHtmlQuirksMode(false)
public class HelloGadgets extends Gadget<HelloPreferences> {

    @Override
    protected void init(final HelloPreferences prefs) {
        Image img = new Image("http://code.google.com/webtoolkit/logo-185x175.png");
        Button button = new Button("Click me");

        VerticalPanel vPanel = new VerticalPanel();
        vPanel.setWidth("100%");
        vPanel.setHorizontalAlignment(VerticalPanel.ALIGN_CENTER);
        vPanel.add(img);
        vPanel.add(button);

        RootPanel.get().add(vPanel);

        // Create the dialog box
        final DialogBox dialogBox = new DialogBox();

        // The content of the dialog comes from a User specified Preference
        dialogBox.setText(prefs.promptSomethingElse().getValue());
        dialogBox.setAnimationEnabled(true);
        Button closeButton = new Button("Close");
        VerticalPanel dialogVPanel = new VerticalPanel();
        dialogVPanel.setWidth("100%");
        dialogVPanel.setHorizontalAlignment(VerticalPanel.ALIGN_CENTER);
        dialogVPanel.add(closeButton);

        closeButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                dialogBox.hide();
            }
        });

        // Set the contents of the Widget
        dialogBox.setWidget(dialogVPanel);

        button.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                dialogBox.center();
                dialogBox.show();
            }
        });
    }
}