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21
22 package org.armedbear.j;
23
24 import java.awt.BorderLayout  ;
25 import java.awt.Dimension ;
26 import java.awt.Font ;
27 import java.awt.Graphics ;
28 import java.awt.event.FocusEvent ;
29 import java.awt.event.FocusListener ;
30 import java.awt.event.KeyEvent ;
31 import java.awt.event.KeyListener ;
32 import javax.swing.BoxLayout ;
33 import javax.swing.JDialog ;
34 import javax.swing.JPanel ;
35 import javax.swing.JPasswordField ;
36 import javax.swing.border.EmptyBorder ;
37
38 public final class PasswordDialog extends JDialog implements FocusListener ,
39 KeyListener
40 {
41 private final Editor editor;
42 private final PasswordField textField;
43 private String input;
44
45 private PasswordDialog(Editor editor, String prompt, String title)
46 {
47 super(editor.getFrame(), title, true);
48 this.editor = editor;
49 input = null;
50 JPanel panel = new JPanel ();
51 panel.setLayout(new BoxLayout (panel, BoxLayout.Y_AXIS));
52 panel.setBorder(new EmptyBorder (5, 5, 5, 5));
53 Label label = new Label(prompt);
54 panel.add(label);
55 textField = new PasswordField (20);
56 textField.setAlignmentX(LEFT_ALIGNMENT);
57 textField.addKeyListener(this);
58 panel.add(textField);
59 getContentPane().add(panel, BorderLayout.CENTER);
60 pack();
61 addFocusListener(this);
62 }
63
64 public void keyPressed(KeyEvent e)
65 {
66 switch (e.getKeyCode()) {
67 case KeyEvent.VK_ENTER:
68 input = textField.getText();
69 dispose();
70 return;
71 case KeyEvent.VK_ESCAPE:
72 dispose();
73 return;
74 }
75 }
76
77 public void keyReleased(KeyEvent e) {}
78
79 public void keyTyped(KeyEvent e) {}
80
81 public static String showPasswordDialog(Editor editor, String prompt,
82 String title)
83 {
84 PasswordDialog d = new PasswordDialog(editor, prompt, title);
85 editor.centerDialog(d);
86 d.show();
87 return d.input;
88 }
89
90 public void dispose()
91 {
92 super.dispose();
93 editor.restoreFocus();
94 }
95
96 public void focusGained(FocusEvent e)
97 {
98 textField.requestFocus();
99 }
100
101 public void focusLost(FocusEvent e) {}
102
103 private static class PasswordField extends JPasswordField
104 {
105 public PasswordField(int columns)
106 {
107 super(columns);
108 final Preferences preferences = Editor.preferences();
109 final String fontName =
110 preferences.getStringProperty(Property.TEXT_FIELD_FONT_NAME);
111 if (fontName != null) {
112 int fontSize =
113 preferences.getIntegerProperty(Property.TEXT_FIELD_FONT_SIZE);
114 if (fontSize == 0)
115 fontSize =
116 preferences.getIntegerProperty(Property.DIALOG_FONT_SIZE);
117 setFont(new Font (fontName, Font.PLAIN, fontSize));
118 }
119 }
120
121 public Dimension getPreferredSize() {
122 Dimension size = super.getPreferredSize();
123 size.width = getColumns() * 11;
124 return size;
125 }
126
127 public void paintComponent(Graphics g)
128 {
129 Display.setRenderingHints(g);
130 super.paintComponent(g);
131 }
132 }
133 }
134 |
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