/*
* 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.sample.showcase.client.content.popups;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.RunAsyncCallback;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.i18n.client.Constants;
import com.google.gwt.sample.showcase.client.ContentWidget;
import com.google.gwt.sample.showcase.client.Showcase;
import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseData;
import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseSource;
import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseStyle;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DecoratedPopupPanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
/**
* Example file.
*/
@ShowcaseStyle(value = {
".gwt-PopupPanel", "html>body .gwt-PopupPanel", "* html .gwt-PopupPanel",
".gwt-DecoratedPopupPanel", "html>body .gwt-DecoratedPopupPanel",
"* html .gwt-DecoratedPopupPanel"})
public class CwBasicPopup extends ContentWidget {
/**
* The constants used in this Content Widget.
*/
@ShowcaseSource
public static interface CwConstants extends Constants,
ContentWidget.CwConstants {
String cwBasicPopupClickOutsideInstructions();
String cwBasicPopupDescription();
String cwBasicPopupInstructions();
String cwBasicPopupName();
String cwBasicPopupShowButton();
}
/**
* An instance of the constants.
*/
@ShowcaseData
private CwConstants constants;
/**
* Constructor.
*
* @param constants the constants
*/
public CwBasicPopup(CwConstants constants) {
super(constants);
this.constants = constants;
}
@Override
public String getDescription() {
return constants.cwBasicPopupDescription();
}
@Override
public String getName() {
return constants.cwBasicPopupName();
}
/**
* Initialize this example.
*/
@ShowcaseSource
@Override
public Widget onInitialize() {
// Create a basic popup widget
final DecoratedPopupPanel simplePopup = new DecoratedPopupPanel(true);
simplePopup.ensureDebugId("cwBasicPopup-simplePopup");
simplePopup.setWidth("150px");
simplePopup.setWidget(new HTML(
constants.cwBasicPopupClickOutsideInstructions()));
// Create a button to show the popup
Button openButton = new Button(constants.cwBasicPopupShowButton(),
new ClickHandler() {
public void onClick(ClickEvent event) {
// Reposition the popup relative to the button
Widget source = (Widget) event.getSource();
int left = source.getAbsoluteLeft() + 10;
int top = source.getAbsoluteTop() + 10;
simplePopup.setPopupPosition(left, top);
// Show the popup
simplePopup.show();
}
});
// Create a popup to show the full size image
Image jimmyFull = new Image(Showcase.images.jimmy());
final PopupPanel imagePopup = new PopupPanel(true);
imagePopup.setAnimationEnabled(true);
imagePopup.ensureDebugId("cwBasicPopup-imagePopup");
imagePopup.setWidget(jimmyFull);
jimmyFull.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
imagePopup.hide();
}
});
// Add an image thumbnail
Image jimmyThumb = new Image(Showcase.images.jimmyThumb());
jimmyThumb.ensureDebugId("cwBasicPopup-thumb");
jimmyThumb.addStyleName("cw-BasicPopup-thumb");
jimmyThumb.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
imagePopup.center();
}
});
// Add the widgets to a panel
VerticalPanel vPanel = new VerticalPanel();
vPanel.setSpacing(5);
vPanel.add(openButton);
vPanel.add(new HTML("<br><br><br>" + constants.cwBasicPopupInstructions()));
vPanel.add(jimmyThumb);
// Return the panel
return vPanel;
}
@Override
protected void asyncOnInitialize(final AsyncCallback<Widget> callback) {
GWT.runAsync(new RunAsyncCallback() {
public void onFailure(Throwable caught) {
callback.onFailure(caught);
}
public void onSuccess() {
callback.onSuccess(onInitialize());
}
});
}
}