/*
* Copyright 2010 JBoss 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 org.drools.guvnor.client.util;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
/**
*
* @author rikkola
*
*/
public class LazyStackPanelRow extends VerticalPanel {
private final AbstractLazyStackPanelHeader header;
private final LoadContentCommand contentLoad;
private Widget contentWidget = null;
private SimplePanel contentPanel = new SimplePanel();
private boolean expanded;
public LazyStackPanelRow(AbstractLazyStackPanelHeader titleWidget,
LoadContentCommand contentLoad) {
this.setWidth( "100%" );
this.header = titleWidget;
this.contentLoad = contentLoad;
init();
}
private void init() {
clear();
add( header );
if ( contentWidget != null ) {
contentWidget.setVisible( expanded );
contentPanel.add( contentWidget );
}
}
public AbstractLazyStackPanelHeader getHeader() {
return header;
}
public SimplePanel getContentPanel() {
return contentPanel;
}
public void expand() {
expanded = true;
if ( contentWidget == null ) {
contentWidget = contentLoad.load();
}
init();
}
public void compress() {
expanded = false;
init();
}
public boolean isExpanded() {
return expanded;
}
}