/*******************************************************************************
* 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.model.widgets.panels;
import com.google.gdt.eclipse.designer.model.widgets.support.GwtState;
import org.eclipse.wb.core.eval.EvaluationContext;
import org.eclipse.wb.core.eval.ExecutionFlowUtils.ExecutionFlowFrameVisitor;
import org.eclipse.wb.core.model.JavaInfo;
import org.eclipse.wb.core.model.broadcast.JavaInfosetObjectBefore;
import org.eclipse.wb.internal.core.model.JavaInfoUtils;
import org.eclipse.wb.internal.core.model.creation.CreationSupport;
import org.eclipse.wb.internal.core.utils.ast.AstNodeUtils;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jdt.core.dom.MethodInvocation;
/**
* {@link CreationSupport} for <code>RootPanel.get()</code>.
*
* @author scheglov_ke
* @coverage gwt.model
*/
public final class RootPanelCreationSupport extends CreationSupport {
private final MethodInvocation m_invocation;
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
public RootPanelCreationSupport(MethodInvocation invocation) {
m_invocation = invocation;
}
////////////////////////////////////////////////////////////////////////////
//
// Object
//
////////////////////////////////////////////////////////////////////////////
@Override
public String toString() {
return "RootPanel.get()";
}
////////////////////////////////////////////////////////////////////////////
//
// Access
//
////////////////////////////////////////////////////////////////////////////
@Override
public ASTNode getNode() {
return m_invocation;
}
@Override
public boolean isJavaInfo(ASTNode node) {
return AstNodeUtils.isMethodInvocation(
node,
"com.google.gwt.user.client.ui.RootPanel",
new String[]{"get()", "get(java.lang.String)"});
}
@Override
public void setJavaInfo(JavaInfo javaInfo) throws Exception {
super.setJavaInfo(javaInfo);
// evaluation
m_javaInfo.addBroadcastListener(new JavaInfosetObjectBefore() {
public void invoke(JavaInfo target, Object[] objectRef) throws Exception {
if (target == m_javaInfo) {
GwtState state = ((RootPanelInfo) m_javaInfo).getState();
objectRef[0] = state.getUIObjectUtils().getRootPanel();
}
}
});
}
////////////////////////////////////////////////////////////////////////////
//
// Evaluation
//
////////////////////////////////////////////////////////////////////////////
@Override
public boolean canBeEvaluated() {
return false;
}
@Override
public Object create(EvaluationContext context, ExecutionFlowFrameVisitor visitor)
throws Exception {
return ((RootPanelInfo) m_javaInfo).getUIObjectUtils().getRootPanel();
}
////////////////////////////////////////////////////////////////////////////
//
// Delete
//
////////////////////////////////////////////////////////////////////////////
@Override
public boolean canDelete() {
return true;
}
@Override
public void delete() throws Exception {
JavaInfoUtils.deleteJavaInfo(m_javaInfo, false);
}
}