| /******************************************************************************* |
| * 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.wst.common.ui.internal.search; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IResourceChangeEvent; |
| import org.eclipse.core.resources.IResourceChangeListener; |
| import org.eclipse.core.resources.IResourceDelta; |
| import org.eclipse.core.resources.IResourceDeltaVisitor; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.MultiStatus; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| import org.eclipse.search.ui.IQueryListener; |
| import org.eclipse.search.ui.ISearchQuery; |
| import org.eclipse.search.ui.ISearchResult; |
| import org.eclipse.search.ui.NewSearchUI; |
| import org.eclipse.search.ui.text.Match; |
| import org.eclipse.wst.common.core.search.SearchEngine; |
| import org.eclipse.wst.common.core.search.pattern.QualifiedName; |
| import org.eclipse.wst.common.core.search.pattern.SearchPattern; |
| import org.eclipse.wst.common.core.search.scope.SearchScope; |
| import org.eclipse.wst.common.ui.internal.search.basecode.Messages; |
| |
| |
| public abstract class AbstractSearchQuery implements ISearchQuery { |
| |
| protected String fPattern; |
| protected SearchScope fScope; |
| protected SearchResult fResult; |
| protected String fScopeDescription; |
| |
| public AbstractSearchQuery(String pattern, SearchScope scope, String scopeDescription) { |
| super(); |
| fPattern= pattern; |
| fScope= scope; |
| fScopeDescription= scopeDescription; |
| } |
| |
| public boolean canRerun() { |
| // TODO Auto-generated method stub |
| return false; |
| } |
| |
| public boolean canRunInBackground() { |
| return true; |
| } |
| |
| public String getLabel() { |
| return SearchMessages.FileSearchQuery_label; |
| } |
| |
| public ISearchResult getSearchResult() { |
| if (fResult == null) { |
| fResult= new SearchResult(this); |
| new SearchResultUpdater(fResult); |
| } |
| return fResult; |
| } |
| |
| public String getResultLabel(int nMatches) { |
| if (nMatches == 1) { |
| if (fPattern.length() > 0) { |
| Object[] args= { fPattern, fScopeDescription }; |
| return Messages.format(SearchMessages.FileSearchQuery_singularLabel, args); |
| } |
| Object[] args= { "", fScopeDescription }; |
| return Messages.format(SearchMessages.FileSearchQuery_singularLabel_fileNameSearch, args); |
| } |
| if (fPattern.length() > 0) { |
| Object[] args= { fPattern, new Integer(nMatches), fScopeDescription }; //$NON-NLS-1$ |
| return Messages.format(SearchMessages.FileSearchQuery_pluralPattern, args); |
| } |
| Object[] args= { "", new Integer(nMatches), fScopeDescription }; //$NON-NLS-1$ |
| return Messages.format(SearchMessages.FileSearchQuery_pluralPattern_fileNameSearch, args); |
| |
| |
| } |
| |
| public IStatus run(IProgressMonitor pm) throws OperationCanceledException { |
| final SearchResult textResult= (SearchResult) getSearchResult(); |
| textResult.removeAll(); |
| SearchQueryResultCollector collector= new SearchQueryResultCollector(textResult); |
| String searchString= fPattern; |
| if (searchString.trim().equals(String.valueOf('*'))) { |
| searchString= new String(); |
| } |
| String message= SearchMessages.TextSearchEngine_statusMessage; |
| MultiStatus status= new MultiStatus(NewSearchUI.PLUGIN_ID, IStatus.OK, message, null); |
| |
| SearchEngine searchEngine = new SearchEngine(); |
| |
| QualifiedName typeName = QualifiedName.valueOf(searchString); |
| |
| try { |
| SearchPattern pattern = createSearchPattern(typeName); |
| searchEngine.search(pattern, collector, fScope, null, new NullProgressMonitor()); |
| } catch (CoreException e) { |
| status.add(e.getStatus()); |
| } |
| |
| return status; |
| |
| } |
| |
| protected abstract SearchPattern createSearchPattern(QualifiedName typeName); |
| |
| public class SearchResultUpdater implements IResourceChangeListener, IQueryListener { |
| SearchResult fResult; |
| |
| public SearchResultUpdater(SearchResult result) { |
| fResult= result; |
| NewSearchUI.addQueryListener(this); |
| ResourcesPlugin.getWorkspace().addResourceChangeListener(this); |
| } |
| |
| public void resourceChanged(IResourceChangeEvent event) { |
| IResourceDelta delta= event.getDelta(); |
| if (delta != null) |
| handleDelta(delta); |
| } |
| |
| protected void handleDelta(IResourceDelta d) { |
| try { |
| d.accept(new IResourceDeltaVisitor() { |
| public boolean visit(IResourceDelta delta) throws CoreException { |
| switch (delta.getKind()) { |
| case IResourceDelta.ADDED : |
| return false; |
| case IResourceDelta.REMOVED : |
| IResource res= delta.getResource(); |
| if (res instanceof IFile) { |
| Match[] matches= fResult.getMatches(res); |
| fResult.removeMatches(matches); |
| } |
| break; |
| case IResourceDelta.CHANGED : |
| // handle changed resource |
| break; |
| } |
| return true; |
| } |
| }); |
| } catch (CoreException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| public void queryAdded(ISearchQuery query) { |
| // don't care |
| } |
| |
| public void queryRemoved(ISearchQuery query) { |
| if (fResult.equals(query.getSearchResult())) { |
| ResourcesPlugin.getWorkspace().removeResourceChangeListener(this); |
| NewSearchUI.removeQueryListener(this); |
| } |
| } |
| |
| public void queryStarting(ISearchQuery query) { |
| // don't care |
| } |
| |
| public void queryFinished(ISearchQuery query) { |
| // don't care |
| } |
| } |
| } |