/*******************************************************************************
* Copyright 2011 Google Inc. All Rights Reserved.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* 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.gdt.eclipse.designer.gwtext.model.layout;
import com.google.gdt.eclipse.designer.gwtext.model.layout.assistant.AccordionLayoutAssistant;
import com.google.gdt.eclipse.designer.model.widgets.WidgetInfo;
import org.eclipse.wb.core.model.JavaInfo;
import org.eclipse.wb.core.model.ObjectInfo;
import org.eclipse.wb.core.model.broadcast.JavaEventListener;
import org.eclipse.wb.internal.core.model.creation.CreationSupport;
import org.eclipse.wb.internal.core.model.description.ComponentDescription;
import org.eclipse.wb.internal.core.model.property.Property;
import org.eclipse.wb.internal.core.utils.ast.AstEditor;
import org.eclipse.wb.internal.core.utils.reflect.ReflectionUtils;
/**
* Model for <code>com.gwtext.client.widgets.layout.AccordionLayout</code>.
*
* @author scheglov_ke
* @coverage GWTExt.model.layout
*/
public final class AccordionLayoutInfo extends FitLayoutInfo {
private final LayoutStackContainerSupport m_stackContainer =
new LayoutStackContainerSupport(this);
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
public AccordionLayoutInfo(AstEditor editor,
ComponentDescription description,
CreationSupport creationSupport) throws Exception {
super(editor, description, creationSupport);
ensureTitleForChildPanels();
}
////////////////////////////////////////////////////////////////////////////
//
// Initialize
//
////////////////////////////////////////////////////////////////////////////
@Override
protected void initializeLayoutAssistant() {
new AccordionLayoutAssistant(this);
}
////////////////////////////////////////////////////////////////////////////
//
// Events
//
////////////////////////////////////////////////////////////////////////////
/**
* <code>AccordionLayout</code> handles only <code>Panel</code> and only with set "title"
* property. We generate code with "title" for <code>Panel</code> itself, but for example not for
* <code>TreePanel</code>. So, here we ensure title required by <code>AccordionLayout</code>.
*/
private void ensureTitleForChildPanels() {
addBroadcastListener(new JavaEventListener() {
@Override
public void addAfter(JavaInfo parent, JavaInfo child) throws Exception {
if (isActiveOnContainer(parent)) {
Property titleProperty = child.getPropertyByTitle("title");
if (titleProperty != null && !titleProperty.isModified()) {
titleProperty.setValue("New Panel");
}
}
}
});
}
////////////////////////////////////////////////////////////////////////////
//
// Refresh
//
////////////////////////////////////////////////////////////////////////////
@Override
protected void refresh_afterCreate() throws Exception {
super.refresh_afterCreate();
{
ObjectInfo expandedWidget = m_stackContainer.getActive();
if (expandedWidget != null) {
for (WidgetInfo widget : getContainer().getChildrenWidgets()) {
ReflectionUtils.invokeMethod(
widget.getObject(),
"setCollapsed(boolean)",
widget != expandedWidget);
}
}
}
}
}