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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.text;
import java.text.MessageFormat;
import java.util.HashMap;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceProxy;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.ui.actions.ActionGroup;
import org.eclipse.search.ui.IActionGroupFactory;
import org.eclipse.search.ui.ISearchResultView;
import org.eclipse.search.ui.SearchUI;
import org.eclipse.search.internal.core.text.ITextSearchResultCollector;
import org.eclipse.search.internal.ui.SearchMessages;
import org.eclipse.search.internal.ui.util.FileLabelProvider;
public class TextSearchResultCollector implements ITextSearchResultCollector {
private static final String MATCH= SearchMessages.getString("SearchResultCollector.match"); //$NON-NLS-1$
private static final String MATCHES= SearchMessages.getString("SearchResultCollector.matches"); //$NON-NLS-1$
private static final String DONE= SearchMessages.getString("SearchResultCollector.done"); //$NON-NLS-1$
private IProgressMonitor fMonitor;
private ISearchResultView fView;
private TextSearchOperation fOperation;
private int fMatchCount= 0;
private Integer[] fMessageFormatArgs= new Integer[1];
private long fLastUpdateTime;
private static class TextSearchActionGroupFactory implements IActionGroupFactory {
public ActionGroup createActionGroup(ISearchResultView part) {
return new TextSearchActionGroup(part);
}
}
/**
* Returns the progress monitor used to setup and report progress.
*/
public IProgressMonitor getProgressMonitor() {
return fMonitor;
}
void setProgressMonitor(IProgressMonitor pm) {
fMonitor= pm;
}
/**
* Called before the actual search starts.
*/
public void aboutToStart() throws CoreException {
fView= SearchUI.getSearchResultView();
fMatchCount= 0;
fLastUpdateTime= 0;
if (fView != null) {
fView.searchStarted(
new TextSearchActionGroupFactory(),
fOperation.getSingularLabel(),
fOperation.getPluralLabelPattern(),
fOperation.getImageDescriptor(),
TextSearchPage.EXTENSION_POINT_ID,
new FileLabelProvider(FileLabelProvider.SHOW_LABEL_PATH),
new GotoMarkerAction(),
new GroupByKeyComputer(),
fOperation);
}
}
/**
* Accepts the given search result.
*/
public void accept(final IResourceProxy proxy, String line, int start, int length, final int lineNumber) throws CoreException {
IResource resource= proxy.requestResource();
IMarker marker= resource.createMarker(SearchUI.SEARCH_MARKER);
HashMap attributes= new HashMap(4);
attributes.put(SearchUI.LINE, line);
attributes.put(IMarker.CHAR_START, new Integer(start));
attributes.put(IMarker.CHAR_END, new Integer(start + length));
attributes.put(IMarker.LINE_NUMBER, new Integer(lineNumber));
marker.setAttributes(attributes);
String description= resource.getFullPath().lastSegment();
if (description == null)
description= ""; //$NON-NLS-1$
fView.addMatch(description, resource, resource, marker);
fMatchCount++;
if (!getProgressMonitor().isCanceled() && System.currentTimeMillis() - fLastUpdateTime > 1000) {
getProgressMonitor().subTask(getFormattedMatchesString(fMatchCount));
fLastUpdateTime= System.currentTimeMillis();
}
}
/**
* Called when the search has ended.
*/
public void done() {
if (!getProgressMonitor().isCanceled()) {
String matchesString= getFormattedMatchesString(fMatchCount);
getProgressMonitor().setTaskName(MessageFormat.format(DONE, new String[]{matchesString}));
}
if (fView != null)
fView.searchFinished();
// Cut no longer unused references because the collector might be re-used
fView= null;
fMonitor= null;
}
void setOperation(TextSearchOperation operation) {
fOperation= operation;
}
private String getFormattedMatchesString(int count) {
if (fMatchCount == 1)
return MATCH;
fMessageFormatArgs[0]= new Integer(count);
return MessageFormat.format(MATCHES, fMessageFormatArgs);
}
}
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