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/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation and others.
* 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
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.actions.selection;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IExpressionManager;
import org.eclipse.debug.core.model.IExpression;
import org.eclipse.debug.internal.ui.viewers.TreePath;
import org.eclipse.debug.internal.ui.viewers.TreeSelection;
import org.eclipse.jface.action.IAction;
import org.eclipse.ui.progress.WorkbenchJob;
public class RemoveExpressionAction extends AbstractRemoveActionDelegate {
protected IExpression[] getExpressions() {
TreeSelection selection = (TreeSelection) getSelection();
TreePath[] paths = selection.getPaths();
List expressions = new ArrayList();
for (int i = paths.length-1; i >=0; i--) {
TreePath path = paths[i];
Object segment = path.getSegment(1);
if (segment instanceof IExpression) {
expressions.add(segment);
}
}
return (IExpression[]) expressions.toArray(new IExpression[expressions.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
WorkbenchJob job = new WorkbenchJob("remove expression") { //$NON-NLS-1$
public IStatus runInUIThread(IProgressMonitor monitor) {
IExpressionManager manager = DebugPlugin.getDefault().getExpressionManager();
IExpression[] exp = getExpressions();
if (exp != null) {
manager.removeExpressions(exp);
}
return Status.OK_STATUS;
}
};
job.setSystem(true);
schedule(job);
}
}
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