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11 package org.eclipse.team.internal.ui.mapping;
12
13 import java.util.HashSet  ;
14 import java.util.Set ;
15
16 import org.eclipse.core.resources.*;
17 import org.eclipse.core.resources.mapping.RemoteResourceMappingContext;
18 import org.eclipse.core.resources.mapping.ResourceTraversal;
19 import org.eclipse.core.runtime.*;
20 import org.eclipse.team.core.diff.IDiff;
21 import org.eclipse.team.core.diff.IThreeWayDiff;
22 import org.eclipse.team.core.mapping.IResourceDiff;
23 import org.eclipse.team.core.mapping.ISynchronizationContext;
24 import org.eclipse.team.ui.mapping.SynchronizationContentProvider;
25
26
34 public final class SynchronizationResourceMappingContext extends
35 RemoteResourceMappingContext {
36
37 private final ISynchronizationContext context;
38
39
43 public SynchronizationResourceMappingContext(ISynchronizationContext context) {
44 this.context = context;
45 }
46
47
50 public boolean isThreeWay() {
51 return context.getType() == ISynchronizationContext.THREE_WAY;
52 }
53
54
57 public boolean hasRemoteChange(IResource resource, IProgressMonitor monitor) throws CoreException {
58 IDiff diff = context.getDiffTree().getDiff(resource);
59 if (diff instanceof IThreeWayDiff) {
60 IThreeWayDiff twd = (IThreeWayDiff) diff;
61 IDiff remote = twd.getRemoteChange();
62 return remote != null && remote.getKind() != IDiff.NO_CHANGE;
63 }
64 return diff != null && diff.getKind() != IDiff.NO_CHANGE;
65 }
66
67
70 public boolean hasLocalChange(IResource resource, IProgressMonitor monitor) throws CoreException {
71 IDiff diff = context.getDiffTree().getDiff(resource);
72 if (diff instanceof IThreeWayDiff) {
73 IThreeWayDiff twd = (IThreeWayDiff) diff;
74 IDiff local = twd.getLocalChange();
75 return local != null && local.getKind() != IDiff.NO_CHANGE;
76 }
77 return false;
78 }
79
80
83 public IStorage fetchRemoteContents(IFile file, IProgressMonitor monitor) throws CoreException {
84 IDiff diff = context.getDiffTree().getDiff(file);
85 if (diff instanceof IThreeWayDiff) {
86 IThreeWayDiff twd = (IThreeWayDiff) diff;
87 IDiff remote = twd.getRemoteChange();
88 if (remote instanceof IResourceDiff) {
89 IResourceDiff rd = (IResourceDiff) remote;
90 return rd.getAfterState().getStorage(monitor);
91 }
92 } else if (diff instanceof IResourceDiff) {
93 IResourceDiff rd = (IResourceDiff) diff;
94 return rd.getAfterState().getStorage(monitor);
95 }
96 return file;
97 }
98
99
102 public IStorage fetchBaseContents(IFile file, IProgressMonitor monitor) throws CoreException {
103 IDiff diff = context.getDiffTree().getDiff(file);
104 if (diff instanceof IThreeWayDiff) {
105 IThreeWayDiff twd = (IThreeWayDiff) diff;
106 IDiff remote = twd.getRemoteChange();
107 if (remote instanceof IResourceDiff) {
108 IResourceDiff rd = (IResourceDiff) remote;
109 return rd.getBeforeState().getStorage(monitor);
110 }
111 IDiff local = twd.getLocalChange();
112 if (local instanceof IResourceDiff) {
113 IResourceDiff rd = (IResourceDiff) local;
114 return rd.getBeforeState().getStorage(monitor);
115 }
116 }
117 return null;
118 }
119
120 public IResource[] fetchMembers(IContainer container, IProgressMonitor monitor) throws CoreException {
121 Set result = new HashSet ();
122 IResource[] children = container.members();
123 for (int i = 0; i < children.length; i++) {
124 IResource resource = children[i];
125 result.add(resource);
126 }
127 IPath[] childPaths = context.getDiffTree().getChildren(container.getFullPath());
128 for (int i = 0; i < childPaths.length; i++) {
129 IPath path = childPaths[i];
130 IDiff delta = context.getDiffTree().getDiff(path);
131 IResource child;
132 if (delta == null) {
133 if (path.segmentCount() == 1) {
135 child = ((IWorkspaceRoot)container).getProject(path.lastSegment());
136 } else {
137 child = container.getFolder(new Path(path.lastSegment()));
138 }
139 } else {
140 child = context.getDiffTree().getResource(delta);
141 }
142 result.add(child);
143 }
144 return (IResource[]) result.toArray(new IResource[result.size()]);
145 }
146
147 public void refresh(ResourceTraversal[] traversals, int flags, IProgressMonitor monitor) throws CoreException {
148 }
150
151 public ISynchronizationContext getSynchronizationContext() {
152 return context;
153 }
154
155 public IProject[] getProjects() {
156 Set projects = new HashSet ();
157 IResource[] roots = context.getScope().getRoots();
158 for (int i = 0; i < roots.length; i++) {
159 IResource resource = roots[i];
160 projects.add(resource.getProject());
161 }
162 return (IProject[]) projects.toArray(new IProject[projects.size()]);
163 }
164
165 }
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