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comparison dwtx/text/undo/DocumentUndoManagerRegistry.d @ 161:f8d52b926852

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author Frank Benoit <benoit@tionex.de>
date Wed, 27 Aug 2008 14:49:30 +0200
parents f70d9508c95c
children
comparison
equal deleted inserted replaced
160:3678e4f1a766 161:f8d52b926852
52 } 52 }
53 private int count; 53 private int count;
54 private IDocumentUndoManager undoManager; 54 private IDocumentUndoManager undoManager;
55 } 55 }
56 56
57 private static Map fgFactory= new HashMap(); 57 private static Map fgFactory_;
58 private static Map fgFactory(){
59 if( fgFactory_ is null ) fgFactory_ = new HashMap();
60 return fgFactory_;
61 }
58 62
59 private this() { 63 private this() {
60 // Do not instantiate 64 // Do not instantiate
61 } 65 }
62 66
69 * <em>The recoding of changes starts with the first {@link #connect(IDocument)}.</em></p> 73 * <em>The recoding of changes starts with the first {@link #connect(IDocument)}.</em></p>
70 * 74 *
71 * @param document the document to be connected 75 * @param document the document to be connected
72 */ 76 */
73 public static synchronized void connect(IDocument document) { 77 public static synchronized void connect(IDocument document) {
74 Assert.isNotNull(document); 78 Assert.isNotNull(cast(Object)document);
75 Record record= cast(Record)fgFactory.get(document); 79 Record record= cast(Record)fgFactory.get(cast(Object)document);
76 if (record is null) { 80 if (record is null) {
77 record= new Record(document); 81 record= new Record(document);
78 fgFactory.put(document, record); 82 fgFactory.put(cast(Object)document, record);
79 } 83 }
80 record.count++; 84 record.count++;
81 } 85 }
82 86
83 /** 87 /**
84 * Disconnects the given document from this registry. 88 * Disconnects the given document from this registry.
85 * 89 *
86 * @param document the document to be disconnected 90 * @param document the document to be disconnected
87 */ 91 */
88 public static synchronized void disconnect(IDocument document) { 92 public static synchronized void disconnect(IDocument document) {
89 Assert.isNotNull(document); 93 Assert.isNotNull(cast(Object)document);
90 Record record= cast(Record)fgFactory.get(document); 94 Record record= cast(Record)fgFactory.get(cast(Object)document);
91 record.count--; 95 record.count--;
92 if (record.count is 0) 96 if (record.count is 0)
93 fgFactory.remove(document); 97 fgFactory.remove(cast(Object)document);
94 98
95 } 99 }
96 100
97 /** 101 /**
98 * Returns the file buffer managed for the given location or <code>null</code> 102 * Returns the file buffer managed for the given location or <code>null</code>
106 * 110 *
107 * @param document the document for which to get its undo manager 111 * @param document the document for which to get its undo manager
108 * @return the document undo manager or <code>null</code> 112 * @return the document undo manager or <code>null</code>
109 */ 113 */
110 public static synchronized IDocumentUndoManager getDocumentUndoManager(IDocument document) { 114 public static synchronized IDocumentUndoManager getDocumentUndoManager(IDocument document) {
111 Assert.isNotNull(document); 115 Assert.isNotNull(cast(Object)document);
112 Record record= cast(Record)fgFactory.get(document); 116 Record record= cast(Record)fgFactory.get(cast(Object)document);
113 if (record is null) 117 if (record is null)
114 return null; 118 return null;
115 return record.undoManager; 119 return record.undoManager;
116 } 120 }
117 121