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21
22 package org.armedbear.j;
23
24 import java.awt.Dimension  ;
25 import java.awt.Point ;
26 import java.awt.SystemColor ;
27 import java.awt.Toolkit ;
28 import java.awt.event.ActionEvent ;
29 import java.awt.event.ActionListener ;
30 import java.awt.event.KeyEvent ;
31 import java.awt.event.KeyListener ;
32 import java.awt.event.WindowEvent ;
33 import java.awt.event.WindowListener ;
34 import javax.swing.Box ;
35 import javax.swing.BoxLayout ;
36 import javax.swing.JComboBox ;
37 import javax.swing.JComponent ;
38 import javax.swing.JDialog ;
39 import javax.swing.JLabel ;
40 import javax.swing.JPanel ;
41 import javax.swing.JTextField ;
42 import javax.swing.border.EmptyBorder ;
43
44 public abstract class AbstractDialog extends JDialog implements ActionListener ,
45 KeyListener , WindowListener
46 {
47 protected boolean cancelled;
48 protected JPanel mainPanel;
49 protected StandardButton okButton;
50 protected StandardButton cancelButton;
51
52 private Frame owner;
53
54 protected AbstractDialog(Editor editor)
55 {
56 super(editor == null ? null : editor.getFrame());
57 this.owner = editor == null ? null : editor.getFrame();
58 initialize();
59 }
60
61 protected AbstractDialog(Editor editor, String title, boolean modal)
62 {
63 super(editor == null ? null : editor.getFrame(), title, modal);
64 this.owner = editor == null ? null : editor.getFrame();
65 initialize();
66 }
67
68 protected AbstractDialog(Frame owner)
69 {
70 super(owner);
71 this.owner = owner;
72 initialize();
73 }
74
75 protected AbstractDialog(Frame owner, String title, boolean modal)
76 {
77 super(owner, title, modal);
78 this.owner = owner;
79 initialize();
80 }
81
82 private void initialize()
83 {
84 setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
85 addWindowListener(this);
86 getContentPane().setLayout(new BoxLayout (getContentPane(), BoxLayout.Y_AXIS));
87 setBackground(SystemColor.control);
88 mainPanel = new JPanel ();
89 mainPanel.setLayout(new BoxLayout (mainPanel, BoxLayout.Y_AXIS));
90 mainPanel.setBorder(new EmptyBorder (6, 6, 6, 6));
91 getContentPane().add(mainPanel);
92 addKeyListener(this);
93 }
94
95 public final boolean cancelled()
96 {
97 return cancelled;
98 }
99
100 protected void addLabelAndTextField(JLabel label, JTextField textField)
102 {
103 label.setLabelFor(textField);
104 if (label.getBorder() == null)
105 label.setBorder(new EmptyBorder (0, 0, 3, 0));
106 mainPanel.add(label);
107 mainPanel.add(textField);
108 textField.addKeyListener(this);
109 }
110
111 protected void addLabelAndComponent(JLabel label, JComponent component)
112 {
113 if (label.getLabelFor() == null)
114 label.setLabelFor(component);
115 if (label.getBorder() == null)
116 label.setBorder(new EmptyBorder (0, 0, 3, 0));
117 mainPanel.add(label);
118 mainPanel.add(component);
119 component.addKeyListener(this);
120 }
121
122 protected final void addCheckBox(CheckBox checkBox)
123 {
124 mainPanel.add(checkBox);
125 checkBox.addKeyListener(this);
126 }
127
128 protected final void addVerticalStrut()
129 {
130 mainPanel.add(Box.createVerticalStrut(6));
131 }
132
133 protected void addOK()
134 {
135 JPanel buttonPanel = new JPanel ();
136 buttonPanel.setAlignmentX(LEFT_ALIGNMENT);
137 mainPanel.add(buttonPanel);
138 okButton = new StandardButton("OK");
139 okButton.setActionCommand("OK");
140 okButton.addActionListener(this);
141 okButton.addKeyListener(this);
142 buttonPanel.add(okButton);
143 }
144
145 protected void addCancel()
146 {
147 JPanel buttonPanel = new JPanel ();
148 buttonPanel.setAlignmentX(LEFT_ALIGNMENT);
149 mainPanel.add(buttonPanel);
150 cancelButton = new StandardButton("Cancel");
151 cancelButton.setActionCommand("Cancel");
152 cancelButton.addActionListener(this);
153 cancelButton.addKeyListener(this);
154 buttonPanel.add(cancelButton);
155 }
156
157 protected void addOKCancel()
158 {
159 JPanel buttonPanel = new JPanel ();
160 buttonPanel.setAlignmentX(LEFT_ALIGNMENT);
161 mainPanel.add(buttonPanel);
162 okButton = new StandardButton("OK");
163 okButton.setActionCommand("OK");
164 okButton.addActionListener(this);
165 okButton.addKeyListener(this);
166 buttonPanel.add(okButton);
167 cancelButton = new StandardButton("Cancel");
168 cancelButton.setActionCommand("Cancel");
169 cancelButton.addActionListener(this);
170 cancelButton.addKeyListener(this);
171 buttonPanel.add(cancelButton);
172 }
173
174 protected void ok()
175 {
176 dispose();
177 }
178
179 protected void cancel()
180 {
181 cancelled = true;
182 dispose();
183 }
184
185 protected void enter()
186 {
187 ok();
188 }
189
190 protected void escape()
191 {
192 cancel();
193 }
194
195 public void dispose()
196 {
197 super.dispose();
198 Editor.restoreFocus();
199 }
200
201 public void actionPerformed(ActionEvent e)
202 {
203 if (e.getActionCommand().equals("Cancel"))
204 cancel();
205 else if (e.getActionCommand().equals("OK"))
206 ok();
207 }
208
209 public void keyPressed(KeyEvent e)
210 {
211 if (e.getModifiers() == 0) {
212 if (e.getComponent() instanceof JComboBox ) {
214 JComboBox cb = (JComboBox ) e.getComponent();
215 if (cb.isPopupVisible())
216 return;
217 }
219 switch (e.getKeyCode()){
220 case KeyEvent.VK_ENTER:
221 e.consume();
222 enter();
223 break;
224 case KeyEvent.VK_ESCAPE:
225 if (!e.isConsumed()) {
228 e.consume();
229 escape();
230 }
231 break;
232 }
233 }
234 }
235
236 public void keyReleased(KeyEvent e) {}
237
238 public void keyTyped(KeyEvent e) {}
239
240 public void windowActivated(WindowEvent e) {}
241
242 public void windowDeactivated(WindowEvent e) {}
243
244 public void windowOpened(WindowEvent e) {}
245
246 public void windowClosing(WindowEvent e)
247 {
248 cancelled = true;
249 dispose();
250 }
251
252 public void windowClosed(WindowEvent e) {}
253
254 public void windowIconified(WindowEvent e) {}
255
256 public void windowDeiconified(WindowEvent e) {}
257
258 protected void centerDialog()
259 {
260 Dimension window = getSize();
261 Point p;
262 if (owner != null) {
263 p = owner.getLocation();
264 Dimension parent = owner.getSize();
265 p.translate((parent.width - window.width) / 2,
266 (parent.height - window.height) / 2);
267 } else {
268 Dimension parent = Toolkit.getDefaultToolkit().getScreenSize();
269 p = new Point ((parent.width - window.width) / 2,
270 (parent.height - window.height) / 2);
271 }
272 setLocation(p);
273 }
274 }
275 |
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