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1
19 package org.netbeans.modules.java.editor.overridden;
20
21 import java.beans.PropertyChangeEvent  ;
22 import java.beans.PropertyChangeListener ;
23 import java.io.IOException ;
24 import java.util.ArrayList ;
25 import java.util.Collections ;
26 import java.util.HashMap ;
27 import java.util.List ;
28 import java.util.Map ;
29 import java.util.logging.Level ;
30 import javax.swing.SwingUtilities ;
31 import org.netbeans.api.timers.TimesCollector;
32 import org.openide.cookies.EditorCookie;
33 import org.openide.filesystems.FileObject;
34 import org.openide.loaders.DataObject;
35
36
40 public class AnnotationsHolder implements PropertyChangeListener {
41
42 private static final Map <FileObject, AnnotationsHolder> file2Annotations = new HashMap <FileObject, AnnotationsHolder>();
43
44 public static synchronized AnnotationsHolder get(FileObject file) {
45 AnnotationsHolder a = file2Annotations.get(file);
46
47 if (a != null) {
48 return a;
49 }
50
51 try {
52 DataObject od = DataObject.find(file);
53 EditorCookie.Observable ec = od.getCookie(EditorCookie.Observable.class);
54
55 if (ec == null) {
56 return null;
57 }
58
59 file2Annotations.put(file, a = new AnnotationsHolder(file, ec));
60
61 return a;
62 } catch (IOException ex) {
63 IsOverriddenAnnotationHandler.LOG.log(Level.INFO, null, ex);
64
65 return null;
66 }
67 }
68
69 private final FileObject file;
70 private final EditorCookie.Observable ec;
71
72 private AnnotationsHolder(FileObject file, EditorCookie.Observable ec) {
73 this.file = file;
74 this.ec = ec;
75 this.annotations = new ArrayList <IsOverriddenAnnotation>();
76
77 ec.addPropertyChangeListener(this);
78
79 SwingUtilities.invokeLater(new Runnable () {
80 public void run() {
81 checkForReset();
82 }
83 });
84
85 TimesCollector.getDefault().reportReference(file, AnnotationsHolder.class.getName(), "[M] Overridden AnnotationsHolder", this);
86 }
87
88 public void propertyChange(PropertyChangeEvent evt) {
89 if (EditorCookie.Observable.PROP_OPENED_PANES.endsWith(evt.getPropertyName()) || evt.getPropertyName() == null) {
90 checkForReset();
91 }
92 }
93
94 private void checkForReset() {
95 assert SwingUtilities.isEventDispatchThread();
96
97 if (ec.getOpenedPanes() == null) {
98 synchronized (AnnotationsHolder.class) {
100 file2Annotations.remove(file);
101 }
102
103 setNewAnnotations(Collections.<IsOverriddenAnnotation>emptyList());
104 ec.removePropertyChangeListener(this);
105 }
106 }
107
108 private final List <IsOverriddenAnnotation> annotations;
109
110 public synchronized void setNewAnnotations(List <IsOverriddenAnnotation> as) {
111 final List <IsOverriddenAnnotation> toRemove = new ArrayList <IsOverriddenAnnotation>(annotations);
112 final List <IsOverriddenAnnotation> toAdd = new ArrayList <IsOverriddenAnnotation>(as);
113
114 annotations.clear();
115 annotations.addAll(as);
116
117 Runnable doAttachDetach = new Runnable () {
118 public void run() {
119 for (IsOverriddenAnnotation a : toRemove) {
120 a.detachImpl();
121 }
122
123 for (IsOverriddenAnnotation a : toAdd) {
124 a.attach();
125 }
126 }
127 };
128
129 if (SwingUtilities.isEventDispatchThread()) {
130 doAttachDetach.run();
131 } else {
132 SwingUtilities.invokeLater(doAttachDetach);
133 }
134 }
135
136 public synchronized List <IsOverriddenAnnotation> getAnnotations() {
137 return new ArrayList <IsOverriddenAnnotation>(annotations);
138 }
139 }
140 |
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