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1
98
99
100 package swingwtx.swing;
101
102 import org.eclipse.swt.SWT;
103 import org.eclipse.swt.widgets.Button;
104 import org.eclipse.swt.widgets.Shell;
105 import org.eclipse.swt.widgets.ToolItem;
106
107 public class JButton extends AbstractButton implements SwingConstants, ButtonModel {
108
109 protected Icon pImage = null;
110 protected boolean pDefaultCapable = true;
111 protected swingwt.awt.Container pDefaultButtonParent = null;
112
113 protected ToolItem pSWTToolButton = null;
114
115 public JButton() {this(""); }
116 public JButton(String  text) { pText = text; setModel(this); showMnemonic(); pHAlign = CENTER; }
117 public JButton(Action a) { setAction(a); pHAlign = CENTER; }
118 public JButton(Icon icon) { pImage = icon; pHAlign = CENTER; }
119 public JButton(String text, Icon icon) { pImage = icon; pText = text; pHAlign = CENTER; setModel(this); showMnemonic(); }
120
121
122 protected JButton(Action a, boolean addAsListener) { setAction(a, addAsListener); }
123
124
127 private void updateMappedAction() {
128 if (pAction instanceof JButtonMappedAction) {
129 pAction.putValue(Action.NAME, getText());
130 pAction.putValue(Action.SHORT_DESCRIPTION, getToolTipText());
131 pAction.putValue(Action.SMALL_ICON, getIcon());
132 pAction.putValue(Action.DISABLED_ICON, getIcon());
133 pAction.putValue(Action.MNEMONIC_KEY, new Integer (getMnemonic()));
134 }
135 }
136
137
141 private void updateToolButton() {
142 final JButton pthis = this;
143 if (pSWTToolButton == null) return;
144 SwingUtilities.invokeSync(new Runnable () {
145 public void run() {
146 pSWTToolButton.setText(getText());
147 pSWTToolButton.setToolTipText(getToolTipText());
148 pSWTToolButton.setEnabled(isEnabled());
149 pSWTToolButton.setImage(SwingWTUtils.getSWTImageFromSwingIcon(pthis, getIcon()));
150 }
151 });
152 }
153
154 public Icon getIcon() { return pImage; }
155
156 public void setIcon(Icon icon) {
157 pImage = icon;
158 final JButton pthis = this;
159 SwingUtilities.invokeSync(new Runnable () {
160 public void run() {
161 if (SwingWTUtils.isSWTControlAvailable(ppeer)) ppeer.setImage(SwingWTUtils.getSWTImageFromSwingIcon(pthis, pImage));
162 renderText();
163 updateToolButton();
164 updateMappedAction();
165 }
166 });
167 }
168
169
170 public void setToolTipText(String text) {
171 super.setToolTipText(text);
172 updateToolButton();
173 updateMappedAction();
174 }
175
176
178 public String getText() {
179 return pText;
180 }
181
182
183 public void setText(String text) {
184 super.setText(text);
185 renderText();
186 updateMappedAction();
187 updateToolButton();
188 }
189
190 public void setEnabled(boolean b) {
191 super.setEnabled(b);
192 updateToolButton();
193 }
194
195 public boolean getDefaultCapable() { return pDefaultCapable; }
196 public void setDefaultCapable(boolean b) { pDefaultCapable = b; }
197
198
204 protected void renderText() {
205
206 if (pText == null)
207 return;
208 if (!SwingWTUtils.isSWTControlAvailable(ppeer))
209 return;
210 if (pText.length() == 2 && pText.startsWith("&"))
211 return;
212 if (pText.equals("") || pImage == null)
213 return;
214
215 final JButton pthis = this;
216 SwingUtilities.invokeSync(new Runnable () {
217 public void run() {
218 org.eclipse.swt.graphics.GC gc = new org.eclipse.swt.graphics.GC(ppeer.getImage());
219 gc.setFont(ppeer.getFont());
221 org.eclipse.swt.graphics.Point p = gc.textExtent(pText);
223
224 int width = ppeer.getImage().getBounds().width + 2;
227 int height = ppeer.getImage().getBounds().height;
228 org.eclipse.swt.graphics.Image im = new org.eclipse.swt.graphics.Image(SwingWTUtils.getDisplay(), width + p.x, height);
229
230 org.eclipse.swt.graphics.GC ngc = new org.eclipse.swt.graphics.GC(im);
232 ngc.setFont(ppeer.getFont());
234 ngc.setBackground(ppeer.getShell().getBackground());
238 ngc.setForeground(ppeer.getShell().getBackground());
239 ngc.fillRectangle(0, 0, width + p.x, height);
240
241 ngc.setForeground(ppeer.getShell().getForeground());
243 ngc.drawImage(SwingWTUtils.getSWTImageFromSwingIcon(pthis, pImage), 0, 0);
244
245 String text = pText;
249 int mnPos = text.indexOf("&");
250 if (mnPos != -1)
251 text = text.substring(0, mnPos) + text.substring(mnPos + 1, text.length());
252
253 ngc.drawText(text, width, (height - p.y) / 2, true);
255
256 ngc.dispose();
258 gc.dispose();
259
260 ppeer.setImage(im);
262 }
263 });
264 }
265
266
269 protected swingwt.awt.Dimension calculatePreferredSize() {
270 swingwt.awt.Dimension size = new swingwt.awt.Dimension(
273 SwingWTUtils.getRenderStringWidth(pText) + 6,
274 SwingWTUtils.getRenderStringHeight(pText) + 12);
275 setSize(size);
276 return size;
277 }
278
279
284 public void setSwingWTParent(swingwt.awt.Container parent) throws Exception {
285
286 ppeer = new Button(parent.getComposite(),
289 (parent instanceof JToolBar ? SWT.FLAT : SWT.PUSH));
290 peer = ppeer;
291
292 if (pText != null)
293 ppeer.setText(pText);
294
295 if (pMnemonic != ' ') showMnemonic();
296 if (pImage != null) ppeer.setImage(SwingWTUtils.getSWTImageFromSwingIcon(this, pImage));
297 if (pFont != null) ppeer.setFont(pFont.getSWTFont());
298 ppeer.setAlignment(SwingWTUtils.translateSwingAlignmentConstant(pVAlign) |
299 SwingWTUtils.translateSwingAlignmentConstant(pHAlign));
300 renderText();
301
302 this.parent = parent;
303
304 if (pDefaultButtonParent != null) {
307
308 if (pDefaultButtonParent.getComposite() instanceof Shell) {
310 ((Shell) pDefaultButtonParent.getComposite()).setDefaultButton(ppeer);
311 }
312 else {
314 pDefaultButtonParent.getComposite().getShell().setDefaultButton(ppeer);
315 }
316 }
317 }
318
319 public void setDefaultButtonParent(swingwt.awt.Container window) {
320 pDefaultButtonParent = window;
321 }
322
323 public boolean isSelected() { return false; }
324 public void setSelected(boolean b) {}
325
326 public void addItemListener(swingwt.awt.event.ItemListener l) {
327 }
328
329 public Object [] getSelectedObjects() {
330 return null;
331 }
332
333 public void removeItemListener(swingwt.awt.event.ItemListener l) {
334 }
335
336 public boolean isArmed() {
337 return false;
338 }
339
340 public boolean isPressed() {
341 return false;
342 }
343
344 public boolean isRollover() {
345 return false;
346 }
347
348 public void setArmed(boolean b) {
349 }
350
351 public void setPressed(boolean b) {
352 }
353
354 public void setRollover(boolean b) {
355 }
356
357 }
358 |
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