| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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.jdt.internal.ui.javaeditor; |
| |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.resources.IMarkerDelta; |
| 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.IWorkspace; |
| |
| import org.eclipse.ui.texteditor.AbstractMarkerAnnotationModel; |
| import org.eclipse.ui.texteditor.MarkerAnnotation; |
| |
| import org.eclipse.jdt.core.IClassFile; |
| import org.eclipse.jdt.core.JavaCore; |
| |
| |
| /** |
| * |
| */ |
| public class ClassFileMarkerAnnotationModel extends AbstractMarkerAnnotationModel implements IResourceChangeListener { |
| |
| protected IClassFile fClassFile; |
| protected IWorkspace fWorkspace; |
| protected IResource fMarkerResource; |
| protected boolean fChangesApplied; |
| |
| |
| public ClassFileMarkerAnnotationModel(IResource markerResource) { |
| super(); |
| fMarkerResource= markerResource; |
| fWorkspace= fMarkerResource.getWorkspace(); |
| } |
| |
| public void setClassFile(IClassFile classFile) { |
| fClassFile= classFile; |
| } |
| |
| /** |
| * @see AbstractMarkerAnnotationModel#isAcceptable |
| */ |
| @Override |
| protected boolean isAcceptable(IMarker marker) { |
| try { |
| return JavaCore.isReferencedBy(fClassFile, marker); |
| } catch (CoreException x) { |
| handleCoreException(x, JavaEditorMessages.ClassFileMarkerAnnotationModel_error_isAcceptable); |
| return false; |
| } |
| } |
| |
| protected boolean isAffected(IMarkerDelta markerDelta) { |
| try { |
| return JavaCore.isReferencedBy(fClassFile, markerDelta); |
| } catch (CoreException x) { |
| handleCoreException(x, JavaEditorMessages.ClassFileMarkerAnnotationModel_error_isAffected); |
| return false; |
| } |
| } |
| |
| /** |
| * @see AbstractMarkerAnnotationModel#createMarkerAnnotation(IMarker) |
| */ |
| @Override |
| protected MarkerAnnotation createMarkerAnnotation(IMarker marker) { |
| return new JavaMarkerAnnotation(marker); |
| } |
| |
| /** |
| * @see AbstractMarkerAnnotationModel#listenToMarkerChanges(boolean) |
| */ |
| @Override |
| protected void listenToMarkerChanges(boolean listen) { |
| if (listen) |
| fWorkspace.addResourceChangeListener(this); |
| else |
| fWorkspace.removeResourceChangeListener(this); |
| } |
| |
| /** |
| * @see AbstractMarkerAnnotationModel#deleteMarkers(IMarker[]) |
| */ |
| @Override |
| protected void deleteMarkers(IMarker[] markers) throws CoreException { |
| // empty as class files are read only |
| } |
| |
| /** |
| * @see AbstractMarkerAnnotationModel#retrieveMarkers() |
| */ |
| @Override |
| protected IMarker[] retrieveMarkers() throws CoreException { |
| if (fMarkerResource != null) { |
| IMarker[] workspaceMarkers= fWorkspace.getRoot().findMarkers(IMarker.MARKER, true, IResource.DEPTH_ZERO); |
| IMarker[] resourceMarkers= fMarkerResource.findMarkers(IMarker.MARKER, true, IResource.DEPTH_ZERO); |
| int workspaceMarkersLength= workspaceMarkers.length; |
| if (workspaceMarkersLength == 0) |
| return resourceMarkers; |
| |
| int resourceMarkersLength= resourceMarkers.length; |
| if (resourceMarkersLength == 0) |
| return workspaceMarkers; |
| |
| IMarker[] result= new IMarker[resourceMarkersLength + workspaceMarkersLength]; |
| System.arraycopy(resourceMarkers, 0, result, 0, resourceMarkersLength); |
| System.arraycopy(workspaceMarkers, 0, result, resourceMarkersLength, workspaceMarkersLength); |
| return result; |
| } |
| return null; |
| } |
| |
| private void checkDeltas(IMarkerDelta[] markerDeltas) throws CoreException { |
| for (int i= 0; i < markerDeltas.length; i++) { |
| if (isAffected(markerDeltas[i])) { |
| IMarker marker= markerDeltas[i].getMarker(); |
| switch (markerDeltas[i].getKind()) { |
| case IResourceDelta.ADDED : |
| addMarkerAnnotation(marker); |
| fChangesApplied= true; |
| break; |
| case IResourceDelta.REMOVED : |
| removeMarkerAnnotation(marker); |
| fChangesApplied= true; |
| break; |
| case IResourceDelta.CHANGED: |
| modifyMarkerAnnotation(marker); |
| fChangesApplied= true; |
| break; |
| } |
| } |
| } |
| } |
| |
| /** |
| * @see IResourceChangeListener#resourceChanged |
| */ |
| public void resourceChanged(IResourceChangeEvent e) { |
| try { |
| IMarkerDelta[] deltas= e.findMarkerDeltas(null, true); |
| if (deltas != null) { |
| fChangesApplied= false; |
| checkDeltas(deltas); |
| if (fChangesApplied) |
| fireModelChanged(); |
| } |
| } catch (CoreException x) { |
| handleCoreException(x, JavaEditorMessages.ClassFileMarkerAnnotationModel_error_resourceChanged); |
| } |
| } |
| } |
| |