/*
* 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.panels;
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.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.DecoratorPanel;
import com.google.gwt.user.client.ui.DisclosurePanel;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.RadioButton;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
/**
* Example file.
*/
@ShowcaseStyle(".gwt-DisclosurePanel")
public class CwDisclosurePanel extends ContentWidget {
/**
* The constants used in this Content Widget.
*/
@ShowcaseSource
public static interface CwConstants extends Constants {
String cwDisclosurePanelDescription();
String cwDisclosurePanelFormAdvancedCriteria();
String cwDisclosurePanelFormDescription();
String cwDisclosurePanelFormGender();
String[] cwDisclosurePanelFormGenderOptions();
String cwDisclosurePanelFormLocation();
String cwDisclosurePanelFormName();
String cwDisclosurePanelFormTitle();
String cwDisclosurePanelName();
}
/**
* An instance of the constants.
*/
@ShowcaseData
private final CwConstants constants;
/**
* Constructor.
*
* @param constants the constants
*/
public CwDisclosurePanel(CwConstants constants) {
super(constants.cwDisclosurePanelName(),
constants.cwDisclosurePanelDescription(), true);
this.constants = constants;
}
/**
* Initialize this example.
*/
@ShowcaseSource
@Override
public Widget onInitialize() {
// Add the disclosure panels to a panel
VerticalPanel vPanel = new VerticalPanel();
vPanel.setSpacing(8);
vPanel.add(createAdvancedForm());
// Return the panel
return vPanel;
}
@Override
protected void asyncOnInitialize(final AsyncCallback<Widget> callback) {
GWT.runAsync(CwDisclosurePanel.class, new RunAsyncCallback() {
public void onFailure(Throwable caught) {
callback.onFailure(caught);
}
public void onSuccess() {
callback.onSuccess(onInitialize());
}
});
}
/**
* Create a form that contains undisclosed advanced options.
*/
@ShowcaseSource
private Widget createAdvancedForm() {
// Create a table to layout the form options
FlexTable layout = new FlexTable();
layout.setCellSpacing(6);
layout.setWidth("300px");
FlexCellFormatter cellFormatter = layout.getFlexCellFormatter();
// Add a title to the form
layout.setHTML(0, 0, constants.cwDisclosurePanelFormTitle());
cellFormatter.setColSpan(0, 0, 2);
cellFormatter.setHorizontalAlignment(
0, 0, HasHorizontalAlignment.ALIGN_CENTER);
// Add some standard form options
layout.setHTML(1, 0, constants.cwDisclosurePanelFormName());
layout.setWidget(1, 1, new TextBox());
layout.setHTML(2, 0, constants.cwDisclosurePanelFormDescription());
layout.setWidget(2, 1, new TextBox());
// Create some advanced options
HorizontalPanel genderPanel = new HorizontalPanel();
String[] genderOptions = constants.cwDisclosurePanelFormGenderOptions();
for (int i = 0; i < genderOptions.length; i++) {
genderPanel.add(new RadioButton("gender", genderOptions[i]));
}
Grid advancedOptions = new Grid(2, 2);
advancedOptions.setCellSpacing(6);
advancedOptions.setHTML(0, 0, constants.cwDisclosurePanelFormLocation());
advancedOptions.setWidget(0, 1, new TextBox());
advancedOptions.setHTML(1, 0, constants.cwDisclosurePanelFormGender());
advancedOptions.setWidget(1, 1, genderPanel);
// Add advanced options to form in a disclosure panel
DisclosurePanel advancedDisclosure = new DisclosurePanel(
constants.cwDisclosurePanelFormAdvancedCriteria());
advancedDisclosure.setAnimationEnabled(true);
advancedDisclosure.ensureDebugId("cwDisclosurePanel");
advancedDisclosure.setContent(advancedOptions);
layout.setWidget(3, 0, advancedDisclosure);
cellFormatter.setColSpan(3, 0, 2);
// Wrap the contents in a DecoratorPanel
DecoratorPanel decPanel = new DecoratorPanel();
decPanel.setWidget(layout);
return decPanel;
}
}