/************************************************************************************
* Copyright (c) 2008 William Chen. *
* *
* 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 *
* *
* Use is subject to the terms of Eclipse Public License v1.0. *
* *
* Contributors: *
* William Chen - initial API and implementation. *
************************************************************************************/
package org.dyno.visual.swing.widgets.actions;
import javax.swing.JPanel;
import org.dyno.visual.swing.widgets.JPanelAdapter;
import org.dyno.visual.swing.widgets.WidgetPlugin;
import org.dyno.visual.swing.widgets.undo.NullLayoutOperation;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.operations.IOperationHistory;
import org.eclipse.core.commands.operations.IUndoableOperation;
import org.eclipse.jface.action.Action;
import org.eclipse.ui.PlatformUI;
public class NullLayoutAction extends Action {
private JPanelAdapter adapter;
public NullLayoutAction(JPanelAdapter adapter) {
super("Null Layout", AS_RADIO_BUTTON);
this.adapter = adapter;
}
public void run() {
JPanel jpanel = (JPanel) adapter.getWidget();
if (jpanel.getLayout() != null) {
IUndoableOperation operation = new NullLayoutOperation(adapter);
operation.addContext(adapter.getUndoContext());
IOperationHistory operationHistory = PlatformUI.getWorkbench()
.getOperationSupport().getOperationHistory();
try {
operationHistory.execute(operation, null, null);
} catch (ExecutionException e) {
WidgetPlugin.getLogger().error(e);
}
}
}
}