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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.search.internal.ui;
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.search.ui.SearchUI;
import org.eclipse.search.internal.ui.util.ExceptionHandler;
class RemovePotentialMatchesAction extends Action {
private IWorkbenchSite fSite;
public RemovePotentialMatchesAction(IWorkbenchSite site) {
fSite= site;
if (usePluralLabel()) {
setText(SearchMessages.getString("RemovePotentialMatchesAction.removePotentialMatches.text")); //$NON-NLS-1$
setToolTipText(SearchMessages.getString("RemovePotentialMatchesAction.removePotentialMatches.tooltip")); //$NON-NLS-1$
}
else {
setText(SearchMessages.getString("RemovePotentialMatchesAction.removePotentialMatch.text")); //$NON-NLS-1$
setToolTipText(SearchMessages.getString("RemovePotentialMatchesAction.removePotentialMatch.tooltip")); //$NON-NLS-1$
}
}
public void run() {
IMarker[] markers= getMarkers();
if (markers != null)
try {
SearchPlugin.getWorkspace().deleteMarkers(markers);
} catch (CoreException ex) {
ExceptionHandler.handle(ex, SearchMessages.getString("Search.Error.deleteMarkers.title"), SearchMessages.getString("Search.Error.deleteMarkers.message")); //$NON-NLS-2$ //$NON-NLS-1$
}
else {
String title= SearchMessages.getString("RemovePotentialMatchesAction.dialog.title"); //$NON-NLS-1$
String message= SearchMessages.getString("RemovePotentialMatchesAction.dialog.message"); //$NON-NLS-1$
MessageDialog.openInformation(fSite.getShell(), title, message);
}
// action only makes sense once
setEnabled(false);
}
private IMarker[] getMarkers() {
ISelection s= fSite.getSelectionProvider().getSelection();
if (! (s instanceof IStructuredSelection))
return null;
IStructuredSelection selection= (IStructuredSelection)s;
int size= selection.size();
if (size <= 0)
return null;
ArrayList markers= new ArrayList(size * 3);
Iterator iter= selection.iterator();
for(int i= 0; iter.hasNext(); i++) {
SearchResultViewEntry entry= (SearchResultViewEntry)iter.next();
Iterator entryIter= entry.getMarkers().iterator();
while (entryIter.hasNext()) {
IMarker marker= (IMarker)entryIter.next();
if (marker.getAttribute(SearchUI.POTENTIAL_MATCH, false))
markers.add(marker);
}
}
return (IMarker[])markers.toArray(new IMarker[markers.size()]);
}
private boolean usePluralLabel() {
ISelection s= fSite.getSelectionProvider().getSelection();
if (! (s instanceof IStructuredSelection) || s.isEmpty())
return false;
IStructuredSelection selection= (IStructuredSelection)s;
int size= selection.size();
if (size <= 0)
return false;
int markerCount= 0;
Iterator iter= selection.iterator();
for(int i= 0; iter.hasNext(); i++) {
SearchResultViewEntry entry= (SearchResultViewEntry)iter.next();
Iterator entryIter= entry.getMarkers().iterator();
while (entryIter.hasNext()) {
IMarker marker= (IMarker)entryIter.next();
if (marker.getAttribute(SearchUI.POTENTIAL_MATCH, false)) {
markerCount++;
}
if (markerCount > 1)
return true;
}
}
return false;
}
}
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