| /******************************************************************************* |
| * Copyright (c) 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.compare.internal.patch; |
| |
| import java.util.ArrayList; |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.compare.internal.CompareUIPlugin; |
| import org.eclipse.compare.internal.DiffImage; |
| import org.eclipse.compare.structuremergeviewer.Differencer; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.viewers.ILabelDecorator; |
| import org.eclipse.jface.viewers.ILabelProviderListener; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.graphics.Image; |
| |
| public class PreviewPatchLabelDecorator implements ILabelDecorator { |
| |
| /** Maps strings to images */ |
| private Map fImages= new Hashtable(10); |
| private List fDisposeOnShutdownImages= new ArrayList(); |
| |
| ImageDescriptor errId= CompareUIPlugin.getImageDescriptor("ovr16/error_ov.gif"); //$NON-NLS-1$ |
| |
| static final String error = "error"; //$NON-NLS-1$ |
| static final String add = "add"; //$NON-NLS-1$ |
| static final String delete = "del"; //$NON-NLS-1$ |
| |
| public Image decorateImage(Image image, Object element) { |
| |
| if (element instanceof Diff){ |
| Diff diff = (Diff) element; |
| switch (diff.getDiffType()){ |
| case Differencer.ADDITION: |
| return getImageFor(add + (diff.fMatches ? "" : error), image, diff.fMatches); //$NON-NLS-1$ |
| |
| case Differencer.DELETION: |
| return getImageFor(delete + (diff.fMatches ? "" : error), image, diff.fMatches); //$NON-NLS-1$ |
| |
| default: |
| return getImageFor(diff.fMatches ? "" : error, image, diff.fMatches); //$NON-NLS-1$ |
| } |
| } else if (element instanceof Hunk){ |
| Hunk hunk = (Hunk) element; |
| return getImageFor((hunk.fMatches ? "" : error),image, hunk.fMatches); //$NON-NLS-1$ |
| } |
| |
| return null; |
| } |
| |
| private Image getImageFor(String id, Image image, boolean hasMatches) { |
| Image cached_image = (Image) fImages.get(id); |
| if (cached_image == null){ |
| DiffImage diffImage = new DiffImage(image, hasMatches ? null : errId, 16, false); |
| cached_image = diffImage.createImage(); |
| fImages.put(id, cached_image); |
| fDisposeOnShutdownImages.add(cached_image); |
| } |
| return cached_image; |
| } |
| |
| public String decorateText(String text, Object element) { |
| if (element instanceof DiffProject){ |
| DiffProject project = (DiffProject)element; |
| //Check to see if this project exists in the workspace |
| IResource projectExistsInWorkspace = ResourcesPlugin.getWorkspace().getRoot().findMember(project.getProject().getFullPath()); |
| if(projectExistsInWorkspace == null) |
| return NLS.bind(PatchMessages.Diff_2Args, new String[]{text, PatchMessages.PreviewPatchLabelDecorator_ProjectDoesNotExist}); |
| |
| if (!project.getName().equals(project.getOriginalProjectName())) |
| return NLS.bind(PatchMessages.Diff_2Args, |
| new String[]{project.getOriginalProjectName(), |
| NLS.bind(PatchMessages.PreviewPatchPage_Target, new String[]{project.getName()})}); |
| |
| } |
| return null; |
| } |
| |
| public void dispose() { |
| if (fDisposeOnShutdownImages != null) { |
| Iterator i= fDisposeOnShutdownImages.iterator(); |
| while (i.hasNext()) { |
| Image img= (Image) i.next(); |
| if (!img.isDisposed()) |
| img.dispose(); |
| } |
| fImages= null; |
| } |
| } |
| |
| public boolean isLabelProperty(Object element, String property) { |
| return false; |
| } |
| |
| public void addListener(ILabelProviderListener listener) { |
| //don't need listener |
| } |
| |
| public void removeListener(ILabelProviderListener listener) { |
| //don't need listener |
| } |
| } |