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1
11 package org.eclipse.team.internal.ui.history;
12
13 import java.io.InputStream  ;
14 import java.util.Date ;
15
16 import org.eclipse.core.resources.*;
17 import org.eclipse.core.runtime.*;
18 import org.eclipse.jface.resource.ImageDescriptor;
19 import org.eclipse.osgi.util.NLS;
20 import org.eclipse.team.core.history.IFileRevision;
21 import org.eclipse.team.internal.ui.TeamUIMessages;
22 import org.eclipse.team.internal.ui.Utils;
23 import org.eclipse.ui.IPersistableElement;
24 import org.eclipse.ui.IStorageEditorInput;
25 import org.eclipse.ui.model.IWorkbenchAdapter;
26
27 import com.ibm.icu.text.DateFormat;
28
29 public class FileRevisionEditorInput extends PlatformObject implements IWorkbenchAdapter, IStorageEditorInput {
30
31 private final Object fileRevision;
32 private final IStorage storage;
33
34
41 public static FileRevisionEditorInput createEditorInputFor(IFileRevision revision, IProgressMonitor monitor) throws CoreException {
42 IStorage storage = revision.getStorage(monitor);
43 return new FileRevisionEditorInput(revision, storage);
44 }
45
46 private static IStorage wrapStorage(final IStorage storage, final String charset) {
47 if (charset == null)
48 return storage;
49 return new IEncodedStorage() {
50 public Object getAdapter(Class adapter) {
51 return storage.getAdapter(adapter);
52 }
53 public boolean isReadOnly() {
54 return storage.isReadOnly();
55 }
56 public String getName() {
57 return storage.getName();
58 }
59 public IPath getFullPath() {
60 return storage.getFullPath();
61 }
62 public InputStream getContents() throws CoreException {
63 return storage.getContents();
64 }
65 public String getCharset() throws CoreException {
66 return charset;
67 }
68 };
69 }
70
71
76 public FileRevisionEditorInput(Object revision, IStorage storage) {
77 Assert.isNotNull(revision);
78 Assert.isNotNull(storage);
79 this.fileRevision = revision;
80 this.storage = storage;
81 }
82
83 public FileRevisionEditorInput(IFileState state) {
84 this(state, state);
85 }
86
87 public FileRevisionEditorInput(Object revision, IStorage storage, String charset) {
88 this(revision, wrapStorage(storage, charset));
89 }
90
91 public IStorage getStorage() throws CoreException {
92 return storage;
93 }
94
95 public boolean exists() {
96 return true;
97 }
98
99 public ImageDescriptor getImageDescriptor() {
100 return null;
101 }
102
103 public String getName() {
104 IFileRevision rev = (IFileRevision)getAdapter(IFileRevision.class);
105 if (rev != null)
106 return NLS.bind(TeamUIMessages.nameAndRevision, new String [] { rev.getName(), rev.getContentIdentifier()});
107 IFileState state = (IFileState)getAdapter(IFileState.class);
108 if (state != null)
109 return state.getName() + " " + DateFormat.getInstance().format(new Date (state.getModificationTime())) ; return storage.getName();
111
112 }
113
114 public IPersistableElement getPersistable() {
115 return null;
117 }
118
119 public String getToolTipText() {
120 return storage.getFullPath().toString();
121 }
122
123 public Object getAdapter(Class adapter) {
124 if (adapter == IWorkbenchAdapter.class)
125 return this;
126 if (adapter == IStorage.class)
127 return storage;
128 Object object = super.getAdapter(adapter);
129 if (object != null)
130 return object;
131 return Utils.getAdapter(fileRevision, adapter);
132 }
133
134 public Object [] getChildren(Object o) {
135 return new Object [0];
136 }
137
138 public ImageDescriptor getImageDescriptor(Object object) {
139 return null;
140 }
141
142 public String getLabel(Object o) {
143 IFileRevision rev = (IFileRevision)getAdapter(IFileRevision.class);
144 if (rev != null)
145 return rev.getName();
146 return storage.getName();
147 }
148
149 public Object getParent(Object o) {
150 return null;
151 }
152
153 public boolean equals(Object obj) {
154 if (obj instanceof FileRevisionEditorInput) {
155 FileRevisionEditorInput other = (FileRevisionEditorInput) obj;
156 return (other.fileRevision.equals(this.fileRevision));
157 }
158 return false;
159 }
160
161 public int hashCode() {
162 return fileRevision.hashCode();
163 }
164
165 public IFileRevision getFileRevision() {
166 if (fileRevision instanceof IFileRevision) {
167 return (IFileRevision) fileRevision;
168 }
169 return null;
170 }
171
172 }
173 |
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