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1
2 import java.awt.event.ActionEvent  ;
3 import java.io.File ;
4 import java.io.FileInputStream ;
5 import java.net.MalformedURLException ;
6 import java.util.ArrayList ;
7 import java.util.Date ;
8 import javax.swing.AbstractAction ;
9 import javax.swing.Action ;
10 import javax.swing.JComponent ;
11 import javax.swing.JDialog ;
12 import javax.swing.JEditorPane ;
13 import javax.swing.JFrame ;
14
15 import org.netbeans.spi.viewmodel.Models;
16 import org.netbeans.spi.viewmodel.ColumnModel;
17 import org.netbeans.spi.viewmodel.NodeActionsProvider;
18 import org.netbeans.spi.viewmodel.NodeModel;
19 import org.netbeans.spi.viewmodel.TableModel;
20 import org.netbeans.spi.viewmodel.TreeModel;
21 import org.netbeans.spi.viewmodel.TreeModelListener;
22
23
24 public class TreeModelExample4 implements TreeModel, NodeModel,
25 NodeActionsProvider, TableModel {
26
27 public Object [] getChildren (Object parent, int from, int to) {
28 if (parent == ROOT)
29 return File.listRoots ();
30 return ((File ) parent).listFiles ();
31 }
32
33 public Object getRoot () {
34 return ROOT;
35 }
36
37 public boolean isLeaf (Object node) {
38 if (node == ROOT)
39 return false;
40 return ((File ) node).isFile ();
41 }
42
43 public void addTreeModelListener (TreeModelListener l) {}
44 public void removeTreeModelListener (TreeModelListener l) {}
45
46 public String getDisplayName (Object node) {
47 if (node == ROOT) return "Name";
48 String name = ((File ) node).getName ();
49 if (name.length () < 1) return ((File ) node).getAbsolutePath ();
50 return name;
51 }
52
53 public String getIconBase (Object node) {
54 if (node == ROOT) return "folder";
55 if (((File ) node).isDirectory ()) return "folder";
56 return "file";
57 }
58
59 public String getShortDescription (Object node) {
60 if (node == ROOT) return "Name";
61 return ((File ) node).getAbsolutePath ();
62 }
63
64 public Action [] getActions (final Object node) {
65 return new Action [] {
66 new AbstractAction ("Open") {
67 public void actionPerformed (ActionEvent e) {
68 performDefaultAction (node);
69 }
70 },
71 new AbstractAction ("Delete") {
72 public void actionPerformed (ActionEvent e) {
73 ((File ) node).delete ();
74 }
75 }
76 };
77 }
78
79 public void performDefaultAction (Object node) {
80 try {
81 JFrame f = new JFrame ("View");
82 f.getContentPane ().add (new JEditorPane (((File ) node).toURL ()));
83 f.pack ();
84 f.show ();
85 } catch (Exception e) {
86 e.printStackTrace();
87 }
88 }
89
90 public Object getValueAt (Object row, String columnID) {
91 try {
92 if (row == ROOT) return null;
93 if (columnID.equals ("sizeID")) {
94 if (((File ) row).isDirectory ()) return "<dir>";
95 return "" + new FileInputStream ((File ) row).getChannel ().size ();
96 }
97 } catch (Exception e) {
98 e.printStackTrace ();
99 }
100 return "";
101 }
102
103 public boolean isReadOnly (Object row, String columnID) {
104 return true;
105 }
106
107 public void setValueAt (Object row, String columnID, Object value) {
108 }
109
110 public static void main (String [] args) {
111 TreeModelExample4 tme = new TreeModelExample4 ();
112 ArrayList columns = new ArrayList ();
113 columns.add (new ColumnModel () {
114 public String getID () {
115 return "sizeID";
116 }
117
118 public String getDisplayName () {
119 return "size";
120 }
121
122 public Class getType () {
123 return String .class;
124 }
125 });
126 JComponent ttv = Models.createView (
127 tme, tme, tme, tme, columns );
133 JFrame f = new JFrame ("Tree Model Example 4");
134 f.getContentPane ().add (ttv);
135 f.pack ();
136 f.show ();
137 }
138 }
139 |
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