| /******************************************************************************* |
| * Copyright (c) 2000, 2015 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.search2.internal.ui.text; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.resources.IWorkspaceRunnable; |
| |
| import org.eclipse.core.filebuffers.IFileBuffer; |
| |
| import org.eclipse.jface.text.Position; |
| |
| import org.eclipse.search.internal.ui.SearchPlugin; |
| import org.eclipse.search.ui.NewSearchUI; |
| import org.eclipse.search.ui.text.Match; |
| |
| import org.eclipse.search2.internal.ui.InternalSearchUI; |
| |
| public class MarkerHighlighter extends Highlighter { |
| private IFile fFile; |
| private Map<Match, IMarker> fMatchesToAnnotations; |
| |
| public MarkerHighlighter(IFile file) { |
| fFile= file; |
| fMatchesToAnnotations= new HashMap<>(); |
| } |
| |
| @Override |
| public void addHighlights(final Match[] matches) { |
| try { |
| SearchPlugin.getWorkspace().run(new IWorkspaceRunnable() { |
| @Override |
| public void run(IProgressMonitor monitor) throws CoreException { |
| for (int i = 0; i < matches.length; i++) { |
| IMarker marker; |
| marker = createMarker(matches[i]); |
| if (marker != null) |
| fMatchesToAnnotations.put(matches[i], marker); |
| } |
| } |
| }, fFile, IWorkspace.AVOID_UPDATE, null); |
| } catch (CoreException e) { |
| // just log the thing. There's nothing we can do anyway. |
| SearchPlugin.log(e.getStatus()); |
| } |
| } |
| |
| private IMarker createMarker(Match match) throws CoreException { |
| Position position= InternalSearchUI.getInstance().getPositionTracker().getCurrentPosition(match); |
| if (position == null) { |
| if (match.getOffset() < 0 || match.getLength() < 0) |
| return null; |
| position= new Position(match.getOffset(), match.getLength()); |
| } else { |
| // need to clone position, can't have it twice in a document. |
| position= new Position(position.getOffset(), position.getLength()); |
| } |
| IMarker marker= match.isFiltered() |
| ? fFile.createMarker(SearchPlugin.FILTERED_SEARCH_MARKER) |
| : fFile.createMarker(NewSearchUI.SEARCH_MARKER); |
| HashMap<String, Integer> attributes= new HashMap<>(4); |
| if (match.getBaseUnit() == Match.UNIT_CHARACTER) { |
| attributes.put(IMarker.CHAR_START, new Integer(position.getOffset())); |
| attributes.put(IMarker.CHAR_END, new Integer(position.getOffset()+position.getLength())); |
| } else { |
| attributes.put(IMarker.LINE_NUMBER, new Integer(position.getOffset())); |
| } |
| marker.setAttributes(attributes); |
| return marker; |
| } |
| |
| @Override |
| public void removeHighlights(Match[] matches) { |
| for (int i= 0; i < matches.length; i++) { |
| IMarker marker= fMatchesToAnnotations.remove(matches[i]); |
| if (marker != null) { |
| try { |
| marker.delete(); |
| } catch (CoreException e) { |
| // just log the thing. There's nothing we can do anyway. |
| SearchPlugin.log(e); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void removeAll() { |
| try { |
| fFile.deleteMarkers(NewSearchUI.SEARCH_MARKER, true, IResource.DEPTH_INFINITE); |
| fFile.deleteMarkers(SearchPlugin.FILTERED_SEARCH_MARKER, true, IResource.DEPTH_INFINITE); |
| fMatchesToAnnotations.clear(); |
| } catch (CoreException e) { |
| // just log the thing. There's nothing we can do anyway. |
| SearchPlugin.log(e.getStatus()); |
| } |
| } |
| |
| @Override |
| protected void handleContentReplaced(IFileBuffer buffer) { |
| if (!buffer.getLocation().equals(fFile.getFullPath())) |
| return; |
| Match[] matches= new Match[fMatchesToAnnotations.keySet().size()]; |
| fMatchesToAnnotations.keySet().toArray(matches); |
| removeAll(); |
| addHighlights(matches); |
| } |
| } |