1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
package swing.tree;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JProgressBar;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.SwingUtilities;
import javax.swing.SwingWorker;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.DefaultTreeModel;
import com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel;
public class MyFileTree {
private JFrame frame;
private JButton b;
private JTree tree;
private JProgressBar progress;
public MyFileTree() {
frame = new JFrame();
progress = new JProgressBar();
progress.setIndeterminate(true);
frame.add(progress, BorderLayout.NORTH);
progress.setVisible(false);
tree = new JTree(new DefaultTreeModel(new DefaultMutableTreeNode("Vide")));
tree.setCellRenderer(new FileTreeCellRenderer());
b = new JButton("Changer Arbo");
b.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
JFileChooser chooser = new JFileChooser();
chooser.setMultiSelectionEnabled(false);
chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
int flag = chooser.showDialog(frame, "Choisir répertoire");
if(flag == JFileChooser.APPROVE_OPTION) {
DirectoryWorker worker = new DirectoryWorker(chooser.getSelectedFile());
progress.setVisible(true);
frame.validate();
worker.execute();
}
}
});
frame.setSize(640, 480);
frame.add(new JScrollPane(tree), BorderLayout.CENTER);
frame.add(b, BorderLayout.SOUTH);
frame.setLocationRelativeTo(null);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public JFrame getFrame() {
return frame;
}
private class FileTreeCellRenderer extends DefaultTreeCellRenderer {
/* (non-Javadoc)
* @see javax.swing.tree.DefaultTreeCellRenderer#getTreeCellRendererComponent(javax.swing.JTree, java.lang.Object, boolean, boolean, boolean, int, boolean)
*/
@Override
public Component getTreeCellRendererComponent(JTree arg0, Object arg1, boolean arg2, boolean arg3, boolean arg4, int arg5, boolean arg6) {
// TODO Module de remplacement de méthode auto-généré
super.getTreeCellRendererComponent(arg0, arg1, arg2, arg3, arg4, arg5, arg6);
System.out.println(arg1.getClass());
if(DefaultMutableTreeNode.class.equals(arg1.getClass())) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) arg1;
if(File.class.equals(node.getUserObject().getClass())) {
File f = (File) node.getUserObject();
setText(f.getName());
}
}
return this;
}
}
private class DirectoryWorker extends SwingWorker<DefaultMutableTreeNode, Void> {
private DefaultMutableTreeNode root=null;
private File f;
public DirectoryWorker(File f) {
super();
this.f = f;
}
@Override
protected DefaultMutableTreeNode doInBackground() throws Exception {
root = buildFileTree(f);
return null;
}
@Override
protected void done() {
tree.setModel(new DefaultTreeModel(root));
progress.setVisible(false);
frame.validate();
super.done();
}
private DefaultMutableTreeNode buildFileTree(File f) {
System.out.println(f.getAbsolutePath());
DefaultMutableTreeNode node = new DefaultMutableTreeNode(f);
if(f.isDirectory()) {
File[] children = f.listFiles();
for (File child : children) {
node.add(buildFileTree(child));
}
}
return node;
}
}
public static void main(String[] args) {
Runnable r = new Runnable() {
public void run() {
try {
UIManager.setLookAndFeel(new NimbusLookAndFeel());
new MyFileTree().getFrame().setVisible(true);
} catch (UnsupportedLookAndFeelException e) {
// TODO Bloc catch auto-généré
e.printStackTrace();
}
}
};
SwingUtilities.invokeLater(r);
}
} |
