com.google.gwt.language.sample.hellolanguage.client.HelloLanguage.java Source code

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Here is the source code for com.google.gwt.language.sample.hellolanguage.client.HelloLanguage.java

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/*
 * Copyright 2009 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.language.sample.hellolanguage.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.language.client.LanguageUtils;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.TabPanel;
import com.google.gwt.user.client.ui.VerticalPanel;

/**
 * Main class for GWT language API demo.
 */
public class HelloLanguage implements EntryPoint {

    private static final int DEMO_PANEL_HEIGHT = 400;

    /**
     * The onModuleLoad() method is called when the body of the document is
     * finished loading. The JavaScript APIs are not loaded unless they were
     * included in the body of the .html file. Use the LanguageUtils.loadXXX()
     * methods to load them after the app starts, but before any API calls are
     * made.
     */
    public void onModuleLoad() {

        final TabPanel demoTabPanel = new TabPanel();
        demoTabPanel.getDeckPanel().setPixelSize(Window.getClientWidth() - 30, DEMO_PANEL_HEIGHT);
        RootPanel.get().add(demoTabPanel);

        Window.addResizeHandler(new ResizeHandler() {
            public void onResize(ResizeEvent event) {
                demoTabPanel.getDeckPanel().setPixelSize(Window.getClientWidth() - 30, DEMO_PANEL_HEIGHT);
            }
        });

        final VerticalPanel transDemoPanel = new VerticalPanel();
        transDemoPanel.add(loadingLabel());

        final VerticalPanel langDetectDemoPanel = new VerticalPanel();
        langDetectDemoPanel.add(loadingLabel());

        final VerticalPanel translitDemoPanel = new VerticalPanel();
        translitDemoPanel.add(loadingLabel());

        demoTabPanel.add(transDemoPanel, "Translation demo");
        demoTabPanel.add(langDetectDemoPanel, "Language detection demo");
        demoTabPanel.add(translitDemoPanel, "Transliteration demo");
        demoTabPanel.selectTab(0);

        LanguageUtils.loadTranslation(new Runnable() {
            public void run() {
                transDemoPanel.clear();
                transDemoPanel.add(new TranslationDemo());

                langDetectDemoPanel.clear();
                langDetectDemoPanel.add(new LanguageDetectionDemo());
            }
        });

        LanguageUtils.loadTransliteration(new Runnable() {
            public void run() {
                translitDemoPanel.clear();
                TransliterationDemo translitDemo = new TransliterationDemo();
                translitDemoPanel.add(translitDemo);
            }
        });
    }

    private Label loadingLabel() {
        return new Label("Loading...");
    }
}