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1
11 package org.eclipse.ltk.ui.refactoring.model;
12
13 import java.util.HashSet  ;
14 import java.util.Iterator ;
15 import java.util.Set ;
16
17 import org.eclipse.team.core.diff.IDiff;
18 import org.eclipse.team.core.diff.IDiffVisitor;
19 import org.eclipse.team.core.diff.IThreeWayDiff;
20 import org.eclipse.team.core.diff.ITwoWayDiff;
21 import org.eclipse.team.core.history.IFileRevision;
22 import org.eclipse.team.core.mapping.IResourceDiff;
23 import org.eclipse.team.core.mapping.IResourceDiffTree;
24 import org.eclipse.team.core.mapping.ISynchronizationContext;
25 import org.eclipse.team.ui.mapping.SynchronizationContentProvider;
26
27 import org.eclipse.core.runtime.Assert;
28 import org.eclipse.core.runtime.IProgressMonitor;
29 import org.eclipse.core.runtime.NullProgressMonitor;
30 import org.eclipse.core.runtime.SubProgressMonitor;
31
32 import org.eclipse.core.resources.IProject;
33 import org.eclipse.core.resources.IResource;
34
35 import org.eclipse.ltk.core.refactoring.RefactoringDescriptor;
36 import org.eclipse.ltk.core.refactoring.RefactoringDescriptorProxy;
37 import org.eclipse.ltk.core.refactoring.history.RefactoringHistory;
38
39 import org.eclipse.ltk.internal.core.refactoring.history.RefactoringDescriptorProxyAdapter;
40 import org.eclipse.ltk.internal.core.refactoring.history.RefactoringHistoryImplementation;
41 import org.eclipse.ltk.internal.core.refactoring.history.RefactoringHistoryService;
42 import org.eclipse.ltk.internal.ui.refactoring.RefactoringUIMessages;
43 import org.eclipse.ltk.internal.ui.refactoring.model.RefactoringDescriptorDiff;
44 import org.eclipse.ltk.internal.ui.refactoring.model.RefactoringDescriptorSynchronizationProxy;
45
46
66 public abstract class AbstractSynchronizationContentProvider extends SynchronizationContentProvider {
67
68
86 protected RefactoringHistory getRefactorings(final ISynchronizationContext context, final IProject project, IProgressMonitor monitor) {
87 Assert.isNotNull(context);
88 Assert.isNotNull(project);
89 if (monitor == null)
90 monitor= new NullProgressMonitor();
91 try {
92 monitor.beginTask(RefactoringUIMessages.RefactoringModelMerger_retrieving_refactorings, IProgressMonitor.UNKNOWN);
93 final IProgressMonitor finalMonitor= monitor;
94 final Set result= new HashSet ();
95 final IResourceDiffTree tree= context.getDiffTree();
96 tree.accept(project.getFolder(RefactoringHistoryService.NAME_HISTORY_FOLDER).getFullPath(), new IDiffVisitor() {
97
98 public final boolean visit(final IDiff diff) {
99 if (diff instanceof IThreeWayDiff) {
100 final IThreeWayDiff threeWay= (IThreeWayDiff) diff;
101 final Set localDescriptors= new HashSet ();
102 final Set remoteDescriptors= new HashSet ();
103 final ITwoWayDiff localDiff= threeWay.getLocalChange();
104 if (localDiff instanceof IResourceDiff && localDiff.getKind() != IDiff.NO_CHANGE) {
105 final IResourceDiff resourceDiff= (IResourceDiff) localDiff;
106 final IFileRevision revision= resourceDiff.getAfterState();
107 if (revision != null) {
108 final String name= revision.getName();
109 if (name.equalsIgnoreCase(RefactoringHistoryService.NAME_HISTORY_FILE))
110 AbstractResourceMappingMerger.getRefactoringDescriptors(revision, localDescriptors, new SubProgressMonitor(finalMonitor, 1, SubProgressMonitor.SUPPRESS_SUBTASK_LABEL));
111 }
112 }
113 final ITwoWayDiff remoteDiff= threeWay.getLocalChange();
114 if (remoteDiff instanceof IResourceDiff && remoteDiff.getKind() != IDiff.NO_CHANGE) {
115 final IResourceDiff resourceDiff= (IResourceDiff) remoteDiff;
116 final IFileRevision revision= resourceDiff.getAfterState();
117 if (revision != null) {
118 final String name= revision.getName();
119 if (name.equalsIgnoreCase(RefactoringHistoryService.NAME_HISTORY_FILE))
120 AbstractResourceMappingMerger.getRefactoringDescriptors(revision, remoteDescriptors, new SubProgressMonitor(finalMonitor, 1, SubProgressMonitor.SUPPRESS_SUBTASK_LABEL));
121 }
122 }
123 final Set local= new HashSet (localDescriptors);
124 local.removeAll(remoteDescriptors);
125 for (final Iterator iterator= local.iterator(); iterator.hasNext();) {
126 final RefactoringDescriptor descriptor= (RefactoringDescriptor) iterator.next();
127 result.add(new RefactoringDescriptorSynchronizationProxy(new RefactoringDescriptorProxyAdapter(descriptor), project.getName(), IThreeWayDiff.OUTGOING));
128 }
129 final Set remote= new HashSet (remoteDescriptors);
130 remote.removeAll(localDescriptors);
131 for (final Iterator iterator= remote.iterator(); iterator.hasNext();) {
132 final RefactoringDescriptor descriptor= (RefactoringDescriptor) iterator.next();
133 result.add(new RefactoringDescriptorSynchronizationProxy(new RefactoringDescriptorProxyAdapter(descriptor), project.getName(), IThreeWayDiff.INCOMING));
134 }
135 }
136 return true;
137 }
138 }, IResource.DEPTH_INFINITE);
139
140 for (final Iterator iterator= result.iterator(); iterator.hasNext();) {
141 final RefactoringDescriptorSynchronizationProxy proxy= (RefactoringDescriptorSynchronizationProxy) iterator.next();
142 if (!isVisible(new RefactoringDescriptorDiff(proxy, IDiff.CHANGE, proxy.getDirection())))
143 result.remove(proxy);
144 }
145
146 return new RefactoringHistoryImplementation((RefactoringDescriptorProxy[]) result.toArray(new RefactoringDescriptorProxy[result.size()]));
147 } finally {
148 monitor.done();
149 }
150 }
151 }
152 |
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