asquare.gwt.tkdemo.client.demos.GlassPanelDemo.java Source code

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Here is the source code for asquare.gwt.tkdemo.client.demos.GlassPanelDemo.java

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/*
 * Copyright 2006 Mat Gessel <mat.gessel@gmail.com>
 * 
 * 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 asquare.gwt.tkdemo.client.demos;

import asquare.gwt.tk.client.ui.*;
import asquare.gwt.tk.client.ui.behavior.*;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.*;
import com.google.gwt.user.client.ui.*;

public class GlassPanelDemo extends BasicPanel {
    public static final String NAME = "GlassPanel";

    public GlassPanelDemo() {
        BasicPanel outer = new BasicPanel();
        outer.addStyleName("division");
        add(outer);

        String content = "<H2>GlassPanel</H2>" + "<p>A GlassPanel covers the entire surface of the document. "
                + "It prevents user interaction with the document. </p>";
        HTML header = new HTML(content);
        header.addStyleName("description");
        outer.add(header);

        BasicPanel example = new BasicPanel("div", BasicPanel.DISPLAY_BLOCK);
        example.addStyleName("example");
        outer.add(example);

        class CreateExample implements ClickHandler {
            private final String m_cssId;
            private final String m_bodyStyleName;

            public CreateExample(String cssId) {
                this(cssId, GlassPanel.DEFAULT_BODY_STYLENAME);
            }

            public CreateExample(String cssId, String bodyStyleName) {
                m_cssId = cssId;
                m_bodyStyleName = bodyStyleName;
            }

            public void onClick(ClickEvent event) {
                final GlassPanel gp = new GlassPanel(m_bodyStyleName);
                gp.addStyleName(m_cssId);
                gp.addController(new HideGlassPanelController());
                gp.show();
            }
        }

        class ShowExample extends SimpleHyperLink {
            public ShowExample(String label, ClickHandler handler) {
                super(label);
                addClickHandler(handler);
            }
        }

        example.add(new ShowExample("Dark", new CreateExample("glasspanel-ex-dark")));
        example.add(new ShowExample("Light", new CreateExample("glasspanel-ex-light")));
        example.add(new ShowExample("Opaque", new CreateExample("glasspanel-ex-opaque")));
        example.add(new ShowExample("Transparent PNG background image", new ClickHandler() {
            public void onClick(ClickEvent event) {
                final GlassPanel gp = new GlassPanel();
                gp.addStyleName("glasspanel-ex-transparentPNG");
                Label content = new Label();
                content.setStyleName("Content");
                content.setSize("100%", "100%");
                gp.setWidget(content);
                gp.addController(new HideGlassPanelController());
                gp.show();
            }
        }));
        example.add(new ShowExample("Tiled background image", new CreateExample("glasspanel-ex-tiledBG")));
        example.add(new ShowExample("Centered background image", new CreateExample("glasspanel-ex-centeredBG")));
        example.add(new ShowExample("Foreground text", new ClickHandler() {
            public void onClick(ClickEvent event) {
                final GlassPanel gp = new GlassPanel();
                gp.addStyleName("glasspanel-ex-text");
                HTML contents = new HTML(
                        "<table cellspacing='0' cellpadding='0' style='width: 100%; height: 100%;'>"
                                + "<td align='center' valign='middle'><h1>Wham!</h1></td>" + "</tr></table>");
                contents.setSize("100%", "100%");
                gp.setWidget(contents);
                gp.addController(new HideGlassPanelController());
                gp.show();
            }
        }));
        example.add(new ShowExample("Blur (IE only)",
                new CreateExample("glasspanel-ex-ieBodyBlur", "glasspanel-ex-ieBodyBlur-BODY")));
    }

    static class HideGlassPanelController extends ControllerAdaptor {
        public HideGlassPanelController() {
            super(HideGlassPanelController.class, Event.ONCLICK);
        }

        protected boolean doBrowserEvent(Widget widget, Event event) {
            final GlassPanel gp = (GlassPanel) widget;
            DeferredCommand.addCommand(new Command() {
                public void execute() {
                    gp.hide();
                }
            });
            return true;
        }
    }
}