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1 package rero.dck;
2
3 import java.awt.*;
4 import java.awt.event.*;
5
6 import javax.swing.*;
7 import javax.swing.border.*;
8 import java.util.*;
9
10 public class FileLink extends JComponent
11 {
12 protected LinkedList listeners;
13 protected JComponent label;
14
15 public FileLink()
16 {
17 addMouseListener(new TakeAction());
18 listeners = new LinkedList();
19
20 label = this;
21 }
22
23 protected String  text = "";
24
25 public void setText(String _text) { text = _text; setToolTipText(text); repaint(); }
26 public String getText() { return text; }
27
28 public Dimension getPreferredSize()
29 {
30 return new Dimension(0, Toolkit.getDefaultToolkit().getFontMetrics(getFont()).getHeight());
31 }
32
33 public void paint(Graphics g)
34 {
35 StringBuffer string = new StringBuffer ();
36 FontMetrics fm = Toolkit.getDefaultToolkit().getFontMetrics(g.getFont());
37
38 int x;
39 for (x = 0; x < text.length() && fm.stringWidth(text.substring(0, x)) < getWidth(); x++);
40
41 if (isEnabled())
42 {
43 g.setColor(label.getForeground());
44 g.drawLine(0, getHeight() - fm.getDescent() + 1, fm.stringWidth(text.substring(0, x)), getHeight() - fm.getDescent() + 1);
45 }
46 else
47 {
48 g.setColor(label.getForeground().brighter());
49 }
50
51 g.drawString(getText().substring(0, x), 0, getHeight() - fm.getDescent());
52 }
53
54 public void addActionListener(ActionListener l)
55 {
56 listeners.add(l);
57 }
58
59 public void fireEvent()
60 {
61 ActionEvent event = new ActionEvent(this, 0, "?");
62
63 Iterator i = listeners.iterator();
64 while (i.hasNext())
65 {
66 ((ActionListener)i.next()).actionPerformed(event);
67 }
68 }
69
70 public class TakeAction extends MouseAdapter
71 {
72 protected Color original;
73
74 public void mouseClicked(MouseEvent ev)
75 {
76 if (isEnabled())
77 fireEvent();
78 }
79
80 public void mousePressed(MouseEvent ev)
81 {
82 if (isEnabled())
83 {
84 original = label.getForeground();
85 label.setForeground(UIManager.getColor("TextArea.selectionBackground"));
86 label.repaint();
87 }
88 }
89
90 public void mouseReleased(MouseEvent ev)
91 {
92 if (isEnabled())
93 {
94 label.setForeground(original);
95 label.repaint();
96 }
97 }
98
99 public void mouseEntered(MouseEvent ev)
100 {
101 }
102
103 public void mouseExited(MouseEvent ev)
104 {
105 if (isEnabled())
106 {
107 label.setForeground(original);
108 label.repaint();
109 }
110 }
111 }
112 }
113 |
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