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1
19 package org.netbeans.modules.versioning.system.cvss;
20
21 import org.netbeans.spi.queries.VisibilityQueryImplementation;
22 import org.netbeans.modules.versioning.util.VersioningListener;
23 import org.netbeans.modules.versioning.util.VersioningEvent;
24 import org.openide.filesystems.FileObject;
25 import org.openide.filesystems.FileUtil;
26
27 import javax.swing.event.ChangeListener  ;
28 import javax.swing.event.ChangeEvent ;
29 import java.util.*;
30 import java.io.File ;
31
32
37 public class CvsVisibilityQuery implements VisibilityQueryImplementation, VersioningListener {
38
39 private List<ChangeListener > listeners = new ArrayList<ChangeListener >();
40
41 public CvsVisibilityQuery() {
42 CvsVersioningSystem.getInstance().getStatusCache().addVersioningListener(this);
43 }
44
45 public boolean isVisible(FileObject fileObject) {
46 if (fileObject.isData()) return true;
47 File file = FileUtil.toFile(fileObject);
48 return file == null || !isHiddenFolder(file);
49 }
50
51 public synchronized void addChangeListener(ChangeListener l) {
52 ArrayList<ChangeListener > newList = new ArrayList<ChangeListener >(listeners);
53 newList.add(l);
54 listeners = newList;
55 }
56
57 public synchronized void removeChangeListener(ChangeListener l) {
58 ArrayList<ChangeListener > newList = new ArrayList<ChangeListener >(listeners);
59 newList.remove(l);
60 listeners = newList;
61 }
62
63 public void versioningEvent(VersioningEvent event) {
64 if (event.getId() == FileStatusCache.EVENT_FILE_STATUS_CHANGED) {
65 File file = (File ) event.getParams()[0];
66 if (file == null) return;
67 File parent = file.getParentFile();
68 if (parent == null) return;
69 File marker = new File (parent, "CVS/.nb-removed");
70 if (marker.exists()) {
71 fireVisibilityChanged();
72 }
73 }
74 }
75
76 static boolean isHiddenFolder(File file) {
77 File marker = new File (file, "CVS/.nb-removed");
78 if (marker.exists()) {
79 File [] files = file.listFiles();
80 for (File child : files) {
81 if (child.lastModified() > marker.lastModified() && !CvsVersioningSystem.FILENAME_CVS.equals(child.getName())) {
82 marker.delete();
83 return false;
84 }
85 }
86 return true;
87 } else {
88 return false;
89 }
90 }
91
92 private void fireVisibilityChanged() {
93 ChangeEvent event = new ChangeEvent (this);
94 for (ChangeListener listener : listeners) {
95 listener.stateChanged(event);
96 }
97 }
98 }
99 |
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