com.google.gwt.gwtai.demo.client.TrayIconAppletTab.java Source code

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Here is the source code for com.google.gwt.gwtai.demo.client.TrayIconAppletTab.java

Source

/*
 * Copyright 2008 Adrian Buerki
 * 
 * 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.gwtai.demo.client;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.gwtai.applet.client.AppletJSUtil;
import com.google.gwt.gwtai.trayicon.client.TrayIconApplet;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.DisclosurePanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * The content of the <code>TrayIconApplet</code> demo tab.
 * 
 * @author Adrian Buerki <a.buerki@gmail.com>
 */
public class TrayIconAppletTab extends Composite {
    private TrayIconApplet _trayIconApplet;

    public TrayIconAppletTab() {
        VerticalPanel panelMain = new VerticalPanel();
        panelMain.setWidth("100%");
        panelMain.setSpacing(4);

        _trayIconApplet = (TrayIconApplet) GWT.create(TrayIconApplet.class);

        Widget widgetApplet = AppletJSUtil.createAppletWidget(_trayIconApplet);

        Label labelTitle = new Label(
                "Hook into the desktop tray from a GWT application. This is a 'Proof of Concept', the feature is not finished yet.");
        DisclosurePanel panelCode = new DisclosurePanel("View code");
        panelCode.setWidth("100%");
        panelCode.setAnimationEnabled(true);
        panelCode.setContent(createCodeHTML());

        HorizontalPanel panelItems = new HorizontalPanel();
        panelItems.setSpacing(4);

        final TextBox boxCaption = new TextBox();

        final ListBox boxItemType = new ListBox();
        boxItemType.addItem("Text");
        boxItemType.addItem("CheckBox");
        boxItemType.setSelectedIndex(0);

        Button buttonAdd = new Button("Add menu item");

        buttonAdd.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                String caption = boxCaption.getText();

                if (null == caption || caption.length() < 1) {
                    Window.alert("Caption can not be empty");
                } else {
                    String itemType = boxItemType.getItemText(boxItemType.getSelectedIndex());

                    if (itemType.equals("CheckBox")) {
                        _trayIconApplet.addCheckBoxItem(caption);
                    } else {
                        _trayIconApplet.addTextItem(caption);
                    }
                }
            }
        });

        Button buttonSeparator = new Button("Add separator");
        buttonSeparator.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                _trayIconApplet.addSeparator();
            }
        });

        panelItems.add(boxCaption);
        panelItems.add(boxItemType);
        panelItems.add(buttonAdd);
        panelItems.add(buttonSeparator);

        panelMain.add(labelTitle);
        panelMain.add(widgetApplet);
        panelMain.add(panelItems);
        panelMain.add(panelCode);

        panelMain.setCellHorizontalAlignment(labelTitle, VerticalPanel.ALIGN_CENTER);
        panelMain.setCellHorizontalAlignment(widgetApplet, VerticalPanel.ALIGN_CENTER);

        initWidget(panelMain);
    }

    /**
     * Helper-Method to construct an HTML element containing some example code
     * snippets.
     */
    private HTML createCodeHTML() {
        String html = "<b>TrayIconAppletTab.java</b>" + "<pre>...\n"
                + "TrayIconApplet trayIconApplet = (TrayIconApplet) GWT.create(TrayIconApplet.class);\n"
                + "Widget widgetApplet = AppletJSUtil.createAppletWidget(trayIconApplet);\n" + "...\n"
                + "panelMain.add(widgetApplet);\n" + "initWidget(panelMain);\n" + "...</pre>";

        return new HTML(html);
    }

}