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/*******************************************************************************
* Copyright (c) 2000, 2006 QNX Software Systems 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:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.util;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.actions.ActionDelegate;
import org.eclipse.cdt.core.model.ICModelMarker;
public class DeleteTaskAction extends ActionDelegate implements IObjectActionDelegate
{
private IStructuredSelection selection;
/**
* @see ActionDelegate#run(IAction)
*/
public void run(IAction action) {
// Add your code here to perform the action
if (selection != null) {
if (selection.isEmpty()) {
return;
}
try {
List list = selection.toList();
List listMarkers = new ArrayList();
Iterator iterator = list.iterator();
while (iterator.hasNext()) {
IMarker marker = (IMarker)iterator.next();
if (marker.isSubtypeOf(ICModelMarker.C_MODEL_PROBLEM_MARKER)
|| marker.isSubtypeOf(ICModelMarker.C_MODEL_MARKER_VARIABLE)) {
listMarkers.add(marker);
}
}
// Bail out early
if (listMarkers.isEmpty()) {
return;
}
IMarker[] markers = new IMarker[listMarkers.size()];
listMarkers.toArray(markers);
// be sure to only invoke one workspace operation
ResourcesPlugin.getWorkspace().deleteMarkers(markers);
selection = null;
} catch (CoreException e) {
}
}
}
/**
* @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
*/
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
}
public void selectionChanged(IAction action, ISelection selection) {
boolean enable = false;
if (selection instanceof IStructuredSelection) {
Object object = ((IStructuredSelection) selection).getFirstElement();
if (object instanceof IMarker) {
try {
IMarker marker = (IMarker) object;
if (marker.isSubtypeOf(ICModelMarker.C_MODEL_PROBLEM_MARKER)
|| marker.isSubtypeOf(ICModelMarker.C_MODEL_MARKER_VARIABLE)) {
enable = true;
}
this.selection = (IStructuredSelection)selection;
action.setEnabled(enable);
} catch (CoreException e) {
}
}
}
}
}
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