/*
* 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.widgets;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.RunAsyncCallback;
import com.google.gwt.i18n.client.Constants;
import com.google.gwt.sample.showcase.client.ContentWidget;
import com.google.gwt.sample.showcase.client.ShowcaseConstants;
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.HTML;
import com.google.gwt.user.client.ui.Hyperlink;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
/**
* Example file.
*/
@ShowcaseStyle(".gwt-Hyperlink")
public class CwHyperlink extends ContentWidget {
/**
* The constants used in this Content Widget.
*/
@ShowcaseSource
public static interface CwConstants extends Constants,
ContentWidget.CwConstants {
String cwHyperlinkChoose();
String cwHyperlinkDescription();
String cwHyperlinkName();
}
/**
* An instance of the constants.
*/
@ShowcaseData
private CwConstants constants;
/**
* Constructor.
*
* @param constants the constants
*/
public CwHyperlink(CwConstants constants) {
super(constants);
this.constants = constants;
}
@Override
public String getDescription() {
return constants.cwHyperlinkDescription();
}
@Override
public String getName() {
return constants.cwHyperlinkName();
}
/**
* Initialize this example.
*/
@ShowcaseSource
@Override
public Widget onInitialize() {
// Add a label
VerticalPanel vPanel = new VerticalPanel();
vPanel.add(new HTML(constants.cwHyperlinkChoose()));
vPanel.setSpacing(5);
// Add a hyper link to each section in the Widgets category
ShowcaseConstants allConstants = (ShowcaseConstants) constants;
vPanel.add(getHyperlink(CwCheckBox.class, allConstants.cwCheckBoxName()));
vPanel.add(getHyperlink(CwRadioButton.class,
allConstants.cwRadioButtonName()));
vPanel.add(getHyperlink(CwBasicButton.class,
allConstants.cwBasicButtonName()));
vPanel.add(getHyperlink(CwCustomButton.class,
allConstants.cwCustomButtonName()));
vPanel.add(getHyperlink(CwFileUpload.class, allConstants.cwFileUploadName()));
vPanel.add(getHyperlink(CwDatePicker.class, allConstants.cwDatePickerName()));
// 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());
}
});
}
/**
* Get a {@link Hyperlink} to a section based on the name of the
* {@link ContentWidget} example.
*
* @param cwClass the {@link ContentWidget} class
* @param name the name to display for the link
* @return a {@link Hyperlink}
*/
private Hyperlink getHyperlink(Class<?> cwClass, String name) {
// Get the class name of the content widget
String className = cwClass.getName();
className = className.substring(className.lastIndexOf('.') + 1);
// Convert to a hyper link
Hyperlink link = new Hyperlink(name, className);
link.ensureDebugId("cwHyperlink-" + className);
return link;
}
}