/*******************************************************************************
* 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.gxt.model.widgets;
import com.google.common.collect.Lists;
import org.eclipse.wb.internal.core.model.JavaInfoUtils;
import org.eclipse.wb.internal.core.model.creation.CreationSupport;
import org.eclipse.wb.internal.core.model.creation.ThisCreationSupport;
import org.eclipse.wb.internal.core.model.description.ComponentDescription;
import org.eclipse.wb.internal.core.model.property.Property;
import org.eclipse.wb.internal.core.model.property.category.PropertyCategory;
import org.eclipse.wb.internal.core.model.util.PropertyUtils;
import org.eclipse.wb.internal.core.utils.GenericsUtils;
import org.eclipse.wb.internal.core.utils.ast.AstEditor;
import org.eclipse.wb.internal.core.utils.ast.StatementTarget;
import org.eclipse.wb.internal.core.utils.reflect.ReflectionUtils;
import org.eclipse.jdt.core.dom.MethodDeclaration;
import java.util.List;
/**
* Model for <code>com.extjs.gxt.ui.client.widget.Composite</code>.
*
* @author scheglov_ke
* @coverage ExtGWT.model
*/
public class CompositeInfo extends BoxComponentInfo {
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
public CompositeInfo(AstEditor editor,
ComponentDescription description,
CreationSupport creationSupport) throws Exception {
super(editor, description, creationSupport);
}
////////////////////////////////////////////////////////////////////////////
//
// Access
//
////////////////////////////////////////////////////////////////////////////
private boolean m_empty;
/**
* @return <code>true</code> if this <code>Composite</code> does not have widget.
*/
public boolean isEmpty() {
return m_empty;
}
/**
* @return the single {@link ComponentInfo} child or <code>null</code> if component is not set
* yet.
*/
public ComponentInfo getComponent() {
return GenericsUtils.getFirstOrNull(getChildren(ComponentInfo.class));
}
////////////////////////////////////////////////////////////////////////////
//
// Properties
//
////////////////////////////////////////////////////////////////////////////
@Override
protected List<Property> getPropertyList() throws Exception {
List<Property> properties = super.getPropertyList();
// no content - no properties
if (isEmpty()) {
return Lists.newArrayList();
}
// don't suggest users to resize Composite, it is better to resize content
if (getCreationSupport() instanceof ThisCreationSupport) {
PropertyUtils.getByTitle(properties, "Size").setCategory(PropertyCategory.ADVANCED);
}
//
return properties;
}
////////////////////////////////////////////////////////////////////////////
//
// MethodInvocation
//
////////////////////////////////////////////////////////////////////////////
@Override
protected StatementTarget getMethodInvocationTarget(String newSignature) throws Exception {
if (getCreationSupport() instanceof ThisCreationSupport) {
ThisCreationSupport creationSupport = (ThisCreationSupport) getCreationSupport();
MethodDeclaration constructor = creationSupport.getConstructor();
return new StatementTarget(constructor, false);
}
return super.getMethodInvocationTarget(newSignature);
}
////////////////////////////////////////////////////////////////////////////
//
// Refresh
//
////////////////////////////////////////////////////////////////////////////
@Override
public void setObject(Object object) throws Exception {
super.setObject(object);
// it is possible that Composite was not created fully, so has no component
if (!(getCreationSupport() instanceof ThisCreationSupport)) {
ensureWidget();
}
}
@Override
protected void attachAfterConstructor() throws Exception {
ensureWidget();
super.attachAfterConstructor();
}
private void ensureWidget() throws Exception {
// may be placeholder
if (isPlaceholder()) {
m_empty = false;
return;
}
// OK, real Composite
m_empty = ReflectionUtils.invokeMethod(getObject(), "getComponent()") == null;
JavaInfoUtils.executeScriptParameter(this, "ensureComponentScript");
}
}