author | malenkov |
Tue, 29 Oct 2013 17:01:06 +0400 | |
changeset 21278 | ef8a3a2a72f2 |
parent 20458 | f2423fb3fd19 |
child 22574 | 7f8ce0c8c20a |
permissions | -rw-r--r-- |
2 | 1 |
/* |
9035
1255eb81cc2f
7033660: Update copyright year to 2011 on any files changed in 2011
ohair
parents:
7785
diff
changeset
|
2 |
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
2 | 10 |
* |
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
15 |
* accompanied this code). |
|
16 |
* |
|
17 |
* You should have received a copy of the GNU General Public License version |
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 |
* |
|
5506 | 21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
22 |
* or visit www.oracle.com if you need additional information or have any |
|
23 |
* questions. |
|
2 | 24 |
*/ |
25 |
||
26 |
package javax.swing; |
|
27 |
||
28 |
import javax.swing.event.*; |
|
29 |
import javax.swing.plaf.*; |
|
30 |
import javax.accessibility.*; |
|
31 |
||
32 |
import java.io.Serializable; |
|
33 |
import java.io.ObjectOutputStream; |
|
34 |
import java.io.IOException; |
|
35 |
||
677
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
36 |
import java.awt.*; |
2 | 37 |
import java.util.*; |
38 |
import java.beans.*; |
|
39 |
||
40 |
||
41 |
/** |
|
42 |
* A component that lets the user graphically select a value by sliding |
|
7785
23c1995f9bf7
6973773: JCK manual case JSliderTests.html#JSlider fails in jdk7 b100
rupashka
parents:
5506
diff
changeset
|
43 |
* a knob within a bounded interval. The knob is always positioned |
23c1995f9bf7
6973773: JCK manual case JSliderTests.html#JSlider fails in jdk7 b100
rupashka
parents:
5506
diff
changeset
|
44 |
* at the points that match integer values within the specified interval. |
2 | 45 |
* <p> |
46 |
* The slider can show both |
|
47 |
* major tick marks, and minor tick marks between the major ones. The number of |
|
48 |
* values between the tick marks is controlled with |
|
49 |
* <code>setMajorTickSpacing</code> and <code>setMinorTickSpacing</code>. |
|
50 |
* Painting of tick marks is controlled by {@code setPaintTicks}. |
|
51 |
* <p> |
|
52 |
* Sliders can also print text labels at regular intervals (or at |
|
53 |
* arbitrary locations) along the slider track. Painting of labels is |
|
54 |
* controlled by {@code setLabelTable} and {@code setPaintLabels}. |
|
55 |
* <p> |
|
56 |
* For further information and examples see |
|
57 |
* <a |
|
20455
f6f9a0c2796b
8020688: Broken links in documentation at http://docs.oracle.com/javase/6/docs/api/index.
mcherkas
parents:
20157
diff
changeset
|
58 |
href="http://docs.oracle.com/javase/tutorial/uiswing/components/slider.html">How to Use Sliders</a>, |
2 | 59 |
* a section in <em>The Java Tutorial.</em> |
60 |
* <p> |
|
61 |
* <strong>Warning:</strong> Swing is not thread safe. For more |
|
62 |
* information see <a |
|
63 |
* href="package-summary.html#threading">Swing's Threading |
|
64 |
* Policy</a>. |
|
65 |
* <p> |
|
66 |
* <strong>Warning:</strong> |
|
67 |
* Serialized objects of this class will not be compatible with |
|
68 |
* future Swing releases. The current serialization support is |
|
69 |
* appropriate for short term storage or RMI between applications running |
|
70 |
* the same version of Swing. As of 1.4, support for long term storage |
|
20458 | 71 |
* of all JavaBeans™ |
2 | 72 |
* has been added to the <code>java.beans</code> package. |
73 |
* Please see {@link java.beans.XMLEncoder}. |
|
74 |
* |
|
75 |
* @beaninfo |
|
76 |
* attribute: isContainer false |
|
77 |
* description: A component that supports selecting a integer value from a range. |
|
78 |
* |
|
79 |
* @author David Kloba |
|
80 |
*/ |
|
81 |
public class JSlider extends JComponent implements SwingConstants, Accessible { |
|
82 |
/** |
|
83 |
* @see #getUIClassID |
|
84 |
* @see #readObject |
|
85 |
*/ |
|
86 |
private static final String uiClassID = "SliderUI"; |
|
87 |
||
88 |
private boolean paintTicks = false; |
|
89 |
private boolean paintTrack = true; |
|
90 |
private boolean paintLabels = false; |
|
91 |
private boolean isInverted = false; |
|
92 |
||
93 |
/** |
|
94 |
* The data model that handles the numeric maximum value, |
|
95 |
* minimum value, and current-position value for the slider. |
|
96 |
*/ |
|
97 |
protected BoundedRangeModel sliderModel; |
|
98 |
||
99 |
/** |
|
100 |
* The number of values between the major tick marks -- the |
|
101 |
* larger marks that break up the minor tick marks. |
|
102 |
*/ |
|
103 |
protected int majorTickSpacing; |
|
104 |
||
105 |
/** |
|
106 |
* The number of values between the minor tick marks -- the |
|
107 |
* smaller marks that occur between the major tick marks. |
|
108 |
* @see #setMinorTickSpacing |
|
109 |
*/ |
|
110 |
protected int minorTickSpacing; |
|
111 |
||
112 |
/** |
|
113 |
* If true, the knob (and the data value it represents) |
|
114 |
* resolve to the closest tick mark next to where the user |
|
115 |
* positioned the knob. The default is false. |
|
116 |
* @see #setSnapToTicks |
|
117 |
*/ |
|
118 |
protected boolean snapToTicks = false; |
|
119 |
||
120 |
/** |
|
121 |
* If true, the knob (and the data value it represents) |
|
122 |
* resolve to the closest slider value next to where the user |
|
123 |
* positioned the knob. |
|
124 |
*/ |
|
125 |
boolean snapToValue = true; |
|
126 |
||
127 |
/** |
|
128 |
* Whether the slider is horizontal or vertical |
|
129 |
* The default is horizontal. |
|
130 |
* |
|
131 |
* @see #setOrientation |
|
132 |
*/ |
|
133 |
protected int orientation; |
|
134 |
||
135 |
||
136 |
/** |
|
137 |
* {@code Dictionary} of what labels to draw at which values |
|
138 |
*/ |
|
139 |
private Dictionary labelTable; |
|
140 |
||
141 |
||
142 |
/** |
|
143 |
* The changeListener (no suffix) is the listener we add to the |
|
144 |
* slider's model. This listener is initialized to the |
|
145 |
* {@code ChangeListener} returned from {@code createChangeListener}, |
|
146 |
* which by default just forwards events |
|
147 |
* to {@code ChangeListener}s (if any) added directly to the slider. |
|
148 |
* |
|
149 |
* @see #addChangeListener |
|
150 |
* @see #createChangeListener |
|
151 |
*/ |
|
152 |
protected ChangeListener changeListener = createChangeListener(); |
|
153 |
||
154 |
||
155 |
/** |
|
156 |
* Only one <code>ChangeEvent</code> is needed per slider instance since the |
|
157 |
* event's only (read-only) state is the source property. The source |
|
158 |
* of events generated here is always "this". The event is lazily |
|
159 |
* created the first time that an event notification is fired. |
|
160 |
* |
|
161 |
* @see #fireStateChanged |
|
162 |
*/ |
|
163 |
protected transient ChangeEvent changeEvent = null; |
|
164 |
||
165 |
||
166 |
private void checkOrientation(int orientation) { |
|
167 |
switch (orientation) { |
|
168 |
case VERTICAL: |
|
169 |
case HORIZONTAL: |
|
170 |
break; |
|
171 |
default: |
|
172 |
throw new IllegalArgumentException("orientation must be one of: VERTICAL, HORIZONTAL"); |
|
173 |
} |
|
174 |
} |
|
175 |
||
176 |
||
177 |
/** |
|
178 |
* Creates a horizontal slider with the range 0 to 100 and |
|
179 |
* an initial value of 50. |
|
180 |
*/ |
|
181 |
public JSlider() { |
|
182 |
this(HORIZONTAL, 0, 100, 50); |
|
183 |
} |
|
184 |
||
185 |
||
186 |
/** |
|
187 |
* Creates a slider using the specified orientation with the |
|
188 |
* range {@code 0} to {@code 100} and an initial value of {@code 50}. |
|
189 |
* The orientation can be |
|
190 |
* either <code>SwingConstants.VERTICAL</code> or |
|
191 |
* <code>SwingConstants.HORIZONTAL</code>. |
|
192 |
* |
|
193 |
* @param orientation the orientation of the slider |
|
194 |
* @throws IllegalArgumentException if orientation is not one of {@code VERTICAL}, {@code HORIZONTAL} |
|
195 |
* @see #setOrientation |
|
196 |
*/ |
|
197 |
public JSlider(int orientation) { |
|
198 |
this(orientation, 0, 100, 50); |
|
199 |
} |
|
200 |
||
201 |
||
202 |
/** |
|
203 |
* Creates a horizontal slider using the specified min and max |
|
204 |
* with an initial value equal to the average of the min plus max. |
|
205 |
* <p> |
|
206 |
* The <code>BoundedRangeModel</code> that holds the slider's data |
|
207 |
* handles any issues that may arise from improperly setting the |
|
208 |
* minimum and maximum values on the slider. See the |
|
209 |
* {@code BoundedRangeModel} documentation for details. |
|
210 |
* |
|
211 |
* @param min the minimum value of the slider |
|
212 |
* @param max the maximum value of the slider |
|
213 |
* |
|
214 |
* @see BoundedRangeModel |
|
215 |
* @see #setMinimum |
|
216 |
* @see #setMaximum |
|
217 |
*/ |
|
218 |
public JSlider(int min, int max) { |
|
219 |
this(HORIZONTAL, min, max, (min + max) / 2); |
|
220 |
} |
|
221 |
||
222 |
||
223 |
/** |
|
224 |
* Creates a horizontal slider using the specified min, max and value. |
|
225 |
* <p> |
|
226 |
* The <code>BoundedRangeModel</code> that holds the slider's data |
|
227 |
* handles any issues that may arise from improperly setting the |
|
228 |
* minimum, initial, and maximum values on the slider. See the |
|
229 |
* {@code BoundedRangeModel} documentation for details. |
|
230 |
* |
|
231 |
* @param min the minimum value of the slider |
|
232 |
* @param max the maximum value of the slider |
|
233 |
* @param value the initial value of the slider |
|
234 |
* |
|
235 |
* @see BoundedRangeModel |
|
236 |
* @see #setMinimum |
|
237 |
* @see #setMaximum |
|
238 |
* @see #setValue |
|
239 |
*/ |
|
240 |
public JSlider(int min, int max, int value) { |
|
241 |
this(HORIZONTAL, min, max, value); |
|
242 |
} |
|
243 |
||
244 |
||
245 |
/** |
|
246 |
* Creates a slider with the specified orientation and the |
|
247 |
* specified minimum, maximum, and initial values. |
|
248 |
* The orientation can be |
|
249 |
* either <code>SwingConstants.VERTICAL</code> or |
|
250 |
* <code>SwingConstants.HORIZONTAL</code>. |
|
251 |
* <p> |
|
252 |
* The <code>BoundedRangeModel</code> that holds the slider's data |
|
253 |
* handles any issues that may arise from improperly setting the |
|
254 |
* minimum, initial, and maximum values on the slider. See the |
|
255 |
* {@code BoundedRangeModel} documentation for details. |
|
256 |
* |
|
257 |
* @param orientation the orientation of the slider |
|
258 |
* @param min the minimum value of the slider |
|
259 |
* @param max the maximum value of the slider |
|
260 |
* @param value the initial value of the slider |
|
261 |
* |
|
262 |
* @throws IllegalArgumentException if orientation is not one of {@code VERTICAL}, {@code HORIZONTAL} |
|
263 |
* |
|
264 |
* @see BoundedRangeModel |
|
265 |
* @see #setOrientation |
|
266 |
* @see #setMinimum |
|
267 |
* @see #setMaximum |
|
268 |
* @see #setValue |
|
269 |
*/ |
|
270 |
public JSlider(int orientation, int min, int max, int value) |
|
271 |
{ |
|
272 |
checkOrientation(orientation); |
|
273 |
this.orientation = orientation; |
|
1309
35d4c1f87df5
6278700: JSlider created with BoundedRangeModel fires twice when changed
rupashka
parents:
1301
diff
changeset
|
274 |
setModel(new DefaultBoundedRangeModel(value, 0, min, max)); |
2 | 275 |
updateUI(); |
276 |
} |
|
277 |
||
278 |
||
279 |
/** |
|
280 |
* Creates a horizontal slider using the specified |
|
281 |
* BoundedRangeModel. |
|
282 |
*/ |
|
283 |
public JSlider(BoundedRangeModel brm) |
|
284 |
{ |
|
285 |
this.orientation = JSlider.HORIZONTAL; |
|
286 |
setModel(brm); |
|
287 |
updateUI(); |
|
288 |
} |
|
289 |
||
290 |
||
291 |
/** |
|
20157
cafca01a8e28
8025230: [cleanup] some more javadoc formatting fixes for swing
yan
parents:
9035
diff
changeset
|
292 |
* Gets the UI object which implements the L&F for this component. |
2 | 293 |
* |
20157
cafca01a8e28
8025230: [cleanup] some more javadoc formatting fixes for swing
yan
parents:
9035
diff
changeset
|
294 |
* @return the SliderUI object that implements the Slider L&F |
2 | 295 |
*/ |
296 |
public SliderUI getUI() { |
|
297 |
return(SliderUI)ui; |
|
298 |
} |
|
299 |
||
300 |
||
301 |
/** |
|
20157
cafca01a8e28
8025230: [cleanup] some more javadoc formatting fixes for swing
yan
parents:
9035
diff
changeset
|
302 |
* Sets the UI object which implements the L&F for this component. |
2 | 303 |
* |
20157
cafca01a8e28
8025230: [cleanup] some more javadoc formatting fixes for swing
yan
parents:
9035
diff
changeset
|
304 |
* @param ui the SliderUI L&F object |
2 | 305 |
* @see UIDefaults#getUI |
306 |
* @beaninfo |
|
307 |
* bound: true |
|
308 |
* hidden: true |
|
309 |
* attribute: visualUpdate true |
|
310 |
* description: The UI object that implements the slider's LookAndFeel. |
|
311 |
*/ |
|
312 |
public void setUI(SliderUI ui) { |
|
313 |
super.setUI(ui); |
|
314 |
} |
|
315 |
||
316 |
||
317 |
/** |
|
318 |
* Resets the UI property to a value from the current look and feel. |
|
319 |
* |
|
320 |
* @see JComponent#updateUI |
|
321 |
*/ |
|
322 |
public void updateUI() { |
|
323 |
setUI((SliderUI)UIManager.getUI(this)); |
|
324 |
// The labels preferred size may be derived from the font |
|
325 |
// of the slider, so we must update the UI of the slider first, then |
|
326 |
// that of labels. This way when setSize is called the right |
|
327 |
// font is used. |
|
328 |
updateLabelUIs(); |
|
329 |
} |
|
330 |
||
331 |
||
332 |
/** |
|
20157
cafca01a8e28
8025230: [cleanup] some more javadoc formatting fixes for swing
yan
parents:
9035
diff
changeset
|
333 |
* Returns the name of the L&F class that renders this component. |
2 | 334 |
* |
335 |
* @return "SliderUI" |
|
336 |
* @see JComponent#getUIClassID |
|
337 |
* @see UIDefaults#getUI |
|
338 |
*/ |
|
339 |
public String getUIClassID() { |
|
340 |
return uiClassID; |
|
341 |
} |
|
342 |
||
343 |
||
344 |
/** |
|
345 |
* We pass Change events along to the listeners with the |
|
346 |
* the slider (instead of the model itself) as the event source. |
|
347 |
*/ |
|
348 |
private class ModelListener implements ChangeListener, Serializable { |
|
349 |
public void stateChanged(ChangeEvent e) { |
|
350 |
fireStateChanged(); |
|
351 |
} |
|
352 |
} |
|
353 |
||
354 |
||
355 |
/** |
|
356 |
* Subclasses that want to handle {@code ChangeEvent}s |
|
357 |
* from the model differently |
|
358 |
* can override this to return |
|
359 |
* an instance of a custom <code>ChangeListener</code> implementation. |
|
360 |
* The default {@code ChangeListener} simply calls the |
|
361 |
* {@code fireStateChanged} method to forward {@code ChangeEvent}s |
|
362 |
* to the {@code ChangeListener}s that have been added directly to the |
|
363 |
* slider. |
|
364 |
* @see #changeListener |
|
365 |
* @see #fireStateChanged |
|
366 |
* @see javax.swing.event.ChangeListener |
|
367 |
* @see javax.swing.BoundedRangeModel |
|
368 |
*/ |
|
369 |
protected ChangeListener createChangeListener() { |
|
370 |
return new ModelListener(); |
|
371 |
} |
|
372 |
||
373 |
||
374 |
/** |
|
375 |
* Adds a ChangeListener to the slider. |
|
376 |
* |
|
377 |
* @param l the ChangeListener to add |
|
378 |
* @see #fireStateChanged |
|
379 |
* @see #removeChangeListener |
|
380 |
*/ |
|
381 |
public void addChangeListener(ChangeListener l) { |
|
382 |
listenerList.add(ChangeListener.class, l); |
|
383 |
} |
|
384 |
||
385 |
||
386 |
/** |
|
387 |
* Removes a ChangeListener from the slider. |
|
388 |
* |
|
389 |
* @param l the ChangeListener to remove |
|
390 |
* @see #fireStateChanged |
|
391 |
* @see #addChangeListener |
|
392 |
||
393 |
*/ |
|
394 |
public void removeChangeListener(ChangeListener l) { |
|
395 |
listenerList.remove(ChangeListener.class, l); |
|
396 |
} |
|
397 |
||
398 |
||
399 |
/** |
|
400 |
* Returns an array of all the <code>ChangeListener</code>s added |
|
401 |
* to this JSlider with addChangeListener(). |
|
402 |
* |
|
403 |
* @return all of the <code>ChangeListener</code>s added or an empty |
|
404 |
* array if no listeners have been added |
|
405 |
* @since 1.4 |
|
406 |
*/ |
|
407 |
public ChangeListener[] getChangeListeners() { |
|
676
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
408 |
return listenerList.getListeners(ChangeListener.class); |
2 | 409 |
} |
410 |
||
411 |
||
412 |
/** |
|
413 |
* Send a {@code ChangeEvent}, whose source is this {@code JSlider}, to |
|
414 |
* all {@code ChangeListener}s that have registered interest in |
|
415 |
* {@code ChangeEvent}s. |
|
416 |
* This method is called each time a {@code ChangeEvent} is received from |
|
417 |
* the model. |
|
418 |
* <p> |
|
419 |
* The event instance is created if necessary, and stored in |
|
420 |
* {@code changeEvent}. |
|
421 |
* |
|
422 |
* @see #addChangeListener |
|
423 |
* @see EventListenerList |
|
424 |
*/ |
|
425 |
protected void fireStateChanged() { |
|
426 |
Object[] listeners = listenerList.getListenerList(); |
|
427 |
for (int i = listeners.length - 2; i >= 0; i -= 2) { |
|
428 |
if (listeners[i]==ChangeListener.class) { |
|
429 |
if (changeEvent == null) { |
|
430 |
changeEvent = new ChangeEvent(this); |
|
431 |
} |
|
432 |
((ChangeListener)listeners[i+1]).stateChanged(changeEvent); |
|
433 |
} |
|
434 |
} |
|
435 |
} |
|
436 |
||
437 |
||
438 |
/** |
|
439 |
* Returns the {@code BoundedRangeModel} that handles the slider's three |
|
440 |
* fundamental properties: minimum, maximum, value. |
|
441 |
* |
|
442 |
* @return the data model for this component |
|
443 |
* @see #setModel |
|
444 |
* @see BoundedRangeModel |
|
445 |
*/ |
|
446 |
public BoundedRangeModel getModel() { |
|
447 |
return sliderModel; |
|
448 |
} |
|
449 |
||
450 |
||
451 |
/** |
|
452 |
* Sets the {@code BoundedRangeModel} that handles the slider's three |
|
453 |
* fundamental properties: minimum, maximum, value. |
|
454 |
*<p> |
|
455 |
* Attempts to pass a {@code null} model to this method result in |
|
456 |
* undefined behavior, and, most likely, exceptions. |
|
457 |
* |
|
458 |
* @param newModel the new, {@code non-null} <code>BoundedRangeModel</code> to use |
|
459 |
* |
|
460 |
* @see #getModel |
|
461 |
* @see BoundedRangeModel |
|
462 |
* @beaninfo |
|
463 |
* bound: true |
|
464 |
* description: The sliders BoundedRangeModel. |
|
465 |
*/ |
|
466 |
public void setModel(BoundedRangeModel newModel) |
|
467 |
{ |
|
468 |
BoundedRangeModel oldModel = getModel(); |
|
469 |
||
470 |
if (oldModel != null) { |
|
471 |
oldModel.removeChangeListener(changeListener); |
|
472 |
} |
|
473 |
||
474 |
sliderModel = newModel; |
|
475 |
||
476 |
if (newModel != null) { |
|
477 |
newModel.addChangeListener(changeListener); |
|
1309
35d4c1f87df5
6278700: JSlider created with BoundedRangeModel fires twice when changed
rupashka
parents:
1301
diff
changeset
|
478 |
} |
2 | 479 |
|
1309
35d4c1f87df5
6278700: JSlider created with BoundedRangeModel fires twice when changed
rupashka
parents:
1301
diff
changeset
|
480 |
if (accessibleContext != null) { |
35d4c1f87df5
6278700: JSlider created with BoundedRangeModel fires twice when changed
rupashka
parents:
1301
diff
changeset
|
481 |
accessibleContext.firePropertyChange( |
35d4c1f87df5
6278700: JSlider created with BoundedRangeModel fires twice when changed
rupashka
parents:
1301
diff
changeset
|
482 |
AccessibleContext.ACCESSIBLE_VALUE_PROPERTY, |
35d4c1f87df5
6278700: JSlider created with BoundedRangeModel fires twice when changed
rupashka
parents:
1301
diff
changeset
|
483 |
(oldModel == null |
35d4c1f87df5
6278700: JSlider created with BoundedRangeModel fires twice when changed
rupashka
parents:
1301
diff
changeset
|
484 |
? null : Integer.valueOf(oldModel.getValue())), |
35d4c1f87df5
6278700: JSlider created with BoundedRangeModel fires twice when changed
rupashka
parents:
1301
diff
changeset
|
485 |
(newModel == null |
35d4c1f87df5
6278700: JSlider created with BoundedRangeModel fires twice when changed
rupashka
parents:
1301
diff
changeset
|
486 |
? null : Integer.valueOf(newModel.getValue()))); |
2 | 487 |
} |
488 |
||
489 |
firePropertyChange("model", oldModel, sliderModel); |
|
490 |
} |
|
491 |
||
492 |
||
493 |
/** |
|
494 |
* Returns the slider's current value |
|
495 |
* from the {@code BoundedRangeModel}. |
|
496 |
* |
|
497 |
* @return the current value of the slider |
|
498 |
* @see #setValue |
|
499 |
* @see BoundedRangeModel#getValue |
|
500 |
*/ |
|
501 |
public int getValue() { |
|
502 |
return getModel().getValue(); |
|
503 |
} |
|
504 |
||
505 |
/** |
|
506 |
* Sets the slider's current value to {@code n}. This method |
|
507 |
* forwards the new value to the model. |
|
508 |
* <p> |
|
509 |
* The data model (an instance of {@code BoundedRangeModel}) |
|
510 |
* handles any mathematical |
|
511 |
* issues arising from assigning faulty values. See the |
|
512 |
* {@code BoundedRangeModel} documentation for details. |
|
513 |
* <p> |
|
514 |
* If the new value is different from the previous value, |
|
515 |
* all change listeners are notified. |
|
516 |
* |
|
517 |
* @param n the new value |
|
518 |
* @see #getValue |
|
519 |
* @see #addChangeListener |
|
520 |
* @see BoundedRangeModel#setValue |
|
521 |
* @beaninfo |
|
522 |
* preferred: true |
|
523 |
* description: The sliders current value. |
|
524 |
*/ |
|
525 |
public void setValue(int n) { |
|
526 |
BoundedRangeModel m = getModel(); |
|
527 |
int oldValue = m.getValue(); |
|
528 |
if (oldValue == n) { |
|
529 |
return; |
|
530 |
} |
|
531 |
m.setValue(n); |
|
532 |
||
533 |
if (accessibleContext != null) { |
|
534 |
accessibleContext.firePropertyChange( |
|
535 |
AccessibleContext.ACCESSIBLE_VALUE_PROPERTY, |
|
438
2ae294e4518c
6613529: Avoid duplicate object creation within JDK packages
dav
parents:
2
diff
changeset
|
536 |
Integer.valueOf(oldValue), |
2ae294e4518c
6613529: Avoid duplicate object creation within JDK packages
dav
parents:
2
diff
changeset
|
537 |
Integer.valueOf(m.getValue())); |
2 | 538 |
} |
539 |
} |
|
540 |
||
541 |
||
542 |
/** |
|
543 |
* Returns the minimum value supported by the slider |
|
544 |
* from the <code>BoundedRangeModel</code>. |
|
545 |
* |
|
546 |
* @return the value of the model's minimum property |
|
547 |
* @see #setMinimum |
|
548 |
* @see BoundedRangeModel#getMinimum |
|
549 |
*/ |
|
550 |
public int getMinimum() { |
|
551 |
return getModel().getMinimum(); |
|
552 |
} |
|
553 |
||
554 |
||
555 |
/** |
|
556 |
* Sets the slider's minimum value to {@code minimum}. This method |
|
557 |
* forwards the new minimum value to the model. |
|
558 |
* <p> |
|
559 |
* The data model (an instance of {@code BoundedRangeModel}) |
|
560 |
* handles any mathematical |
|
561 |
* issues arising from assigning faulty values. See the |
|
562 |
* {@code BoundedRangeModel} documentation for details. |
|
563 |
* <p> |
|
564 |
* If the new minimum value is different from the previous minimum value, |
|
565 |
* all change listeners are notified. |
|
566 |
* |
|
567 |
* @param minimum the new minimum |
|
568 |
* @see #getMinimum |
|
569 |
* @see #addChangeListener |
|
570 |
* @see BoundedRangeModel#setMinimum |
|
571 |
* @beaninfo |
|
572 |
* bound: true |
|
573 |
* preferred: true |
|
574 |
* description: The sliders minimum value. |
|
575 |
*/ |
|
576 |
public void setMinimum(int minimum) { |
|
577 |
int oldMin = getModel().getMinimum(); |
|
578 |
getModel().setMinimum(minimum); |
|
438
2ae294e4518c
6613529: Avoid duplicate object creation within JDK packages
dav
parents:
2
diff
changeset
|
579 |
firePropertyChange( "minimum", Integer.valueOf( oldMin ), Integer.valueOf( minimum ) ); |
2 | 580 |
} |
581 |
||
582 |
||
583 |
/** |
|
584 |
* Returns the maximum value supported by the slider |
|
585 |
* from the <code>BoundedRangeModel</code>. |
|
586 |
* |
|
587 |
* @return the value of the model's maximum property |
|
588 |
* @see #setMaximum |
|
589 |
* @see BoundedRangeModel#getMaximum |
|
590 |
*/ |
|
591 |
public int getMaximum() { |
|
592 |
return getModel().getMaximum(); |
|
593 |
} |
|
594 |
||
595 |
||
596 |
/** |
|
597 |
* Sets the slider's maximum value to {@code maximum}. This method |
|
598 |
* forwards the new maximum value to the model. |
|
599 |
* <p> |
|
600 |
* The data model (an instance of {@code BoundedRangeModel}) |
|
601 |
* handles any mathematical |
|
602 |
* issues arising from assigning faulty values. See the |
|
603 |
* {@code BoundedRangeModel} documentation for details. |
|
604 |
* <p> |
|
605 |
* If the new maximum value is different from the previous maximum value, |
|
606 |
* all change listeners are notified. |
|
607 |
* |
|
608 |
* @param maximum the new maximum |
|
609 |
* @see #getMaximum |
|
610 |
* @see #addChangeListener |
|
611 |
* @see BoundedRangeModel#setMaximum |
|
612 |
* @beaninfo |
|
613 |
* bound: true |
|
614 |
* preferred: true |
|
615 |
* description: The sliders maximum value. |
|
616 |
*/ |
|
617 |
public void setMaximum(int maximum) { |
|
618 |
int oldMax = getModel().getMaximum(); |
|
619 |
getModel().setMaximum(maximum); |
|
438
2ae294e4518c
6613529: Avoid duplicate object creation within JDK packages
dav
parents:
2
diff
changeset
|
620 |
firePropertyChange( "maximum", Integer.valueOf( oldMax ), Integer.valueOf( maximum ) ); |
2 | 621 |
} |
622 |
||
623 |
||
624 |
/** |
|
625 |
* Returns the {@code valueIsAdjusting} property from the model. For |
|
626 |
* details on how this is used, see the {@code setValueIsAdjusting} |
|
627 |
* documentation. |
|
628 |
* |
|
629 |
* @return the value of the model's {@code valueIsAdjusting} property |
|
630 |
* @see #setValueIsAdjusting |
|
631 |
*/ |
|
632 |
public boolean getValueIsAdjusting() { |
|
633 |
return getModel().getValueIsAdjusting(); |
|
634 |
} |
|
635 |
||
636 |
||
637 |
/** |
|
638 |
* Sets the model's {@code valueIsAdjusting} property. Slider look and |
|
639 |
* feel implementations should set this property to {@code true} when |
|
679
bb198a1a00fa
6688110: JSlider has incorrect javadoc for the setValueIsAdjusting method
rupashka
parents:
677
diff
changeset
|
640 |
* a knob drag begins, and to {@code false} when the drag ends. |
2 | 641 |
* |
642 |
* @param b the new value for the {@code valueIsAdjusting} property |
|
643 |
* @see #getValueIsAdjusting |
|
644 |
* @see BoundedRangeModel#setValueIsAdjusting |
|
645 |
* @beaninfo |
|
646 |
* expert: true |
|
647 |
* description: True if the slider knob is being dragged. |
|
648 |
*/ |
|
649 |
public void setValueIsAdjusting(boolean b) { |
|
650 |
BoundedRangeModel m = getModel(); |
|
651 |
boolean oldValue = m.getValueIsAdjusting(); |
|
652 |
m.setValueIsAdjusting(b); |
|
653 |
||
654 |
if ((oldValue != b) && (accessibleContext != null)) { |
|
655 |
accessibleContext.firePropertyChange( |
|
656 |
AccessibleContext.ACCESSIBLE_STATE_PROPERTY, |
|
657 |
((oldValue) ? AccessibleState.BUSY : null), |
|
658 |
((b) ? AccessibleState.BUSY : null)); |
|
659 |
} |
|
660 |
} |
|
661 |
||
662 |
||
663 |
/** |
|
664 |
* Returns the "extent" from the <code>BoundedRangeModel</code>. |
|
21278 | 665 |
* This represents the range of values "covered" by the knob. |
2 | 666 |
* |
667 |
* @return an int representing the extent |
|
668 |
* @see #setExtent |
|
669 |
* @see BoundedRangeModel#getExtent |
|
670 |
*/ |
|
671 |
public int getExtent() { |
|
672 |
return getModel().getExtent(); |
|
673 |
} |
|
674 |
||
675 |
||
676 |
/** |
|
677 |
* Sets the size of the range "covered" by the knob. Most look |
|
678 |
* and feel implementations will change the value by this amount |
|
679 |
* if the user clicks on either side of the knob. This method just |
|
680 |
* forwards the new extent value to the model. |
|
681 |
* <p> |
|
682 |
* The data model (an instance of {@code BoundedRangeModel}) |
|
683 |
* handles any mathematical |
|
684 |
* issues arising from assigning faulty values. See the |
|
685 |
* {@code BoundedRangeModel} documentation for details. |
|
686 |
* <p> |
|
687 |
* If the new extent value is different from the previous extent value, |
|
688 |
* all change listeners are notified. |
|
689 |
* |
|
690 |
* @param extent the new extent |
|
691 |
* @see #getExtent |
|
692 |
* @see BoundedRangeModel#setExtent |
|
693 |
* @beaninfo |
|
694 |
* expert: true |
|
695 |
* description: Size of the range covered by the knob. |
|
696 |
*/ |
|
697 |
public void setExtent(int extent) { |
|
698 |
getModel().setExtent(extent); |
|
699 |
} |
|
700 |
||
701 |
||
702 |
/** |
|
703 |
* Return this slider's vertical or horizontal orientation. |
|
704 |
* @return {@code SwingConstants.VERTICAL} or |
|
705 |
* {@code SwingConstants.HORIZONTAL} |
|
706 |
* @see #setOrientation |
|
707 |
*/ |
|
708 |
public int getOrientation() { |
|
709 |
return orientation; |
|
710 |
} |
|
711 |
||
712 |
||
713 |
/** |
|
714 |
* Set the slider's orientation to either {@code SwingConstants.VERTICAL} or |
|
715 |
* {@code SwingConstants.HORIZONTAL}. |
|
716 |
* |
|
717 |
* @param orientation {@code HORIZONTAL} or {@code VERTICAL} |
|
718 |
* @throws IllegalArgumentException if orientation is not one of {@code VERTICAL}, {@code HORIZONTAL} |
|
719 |
* @see #getOrientation |
|
720 |
* @beaninfo |
|
721 |
* preferred: true |
|
722 |
* bound: true |
|
723 |
* attribute: visualUpdate true |
|
724 |
* description: Set the scrollbars orientation to either VERTICAL or HORIZONTAL. |
|
725 |
* enum: VERTICAL JSlider.VERTICAL |
|
726 |
* HORIZONTAL JSlider.HORIZONTAL |
|
727 |
* |
|
728 |
*/ |
|
729 |
public void setOrientation(int orientation) |
|
730 |
{ |
|
731 |
checkOrientation(orientation); |
|
732 |
int oldValue = this.orientation; |
|
733 |
this.orientation = orientation; |
|
734 |
firePropertyChange("orientation", oldValue, orientation); |
|
735 |
||
736 |
if ((oldValue != orientation) && (accessibleContext != null)) { |
|
737 |
accessibleContext.firePropertyChange( |
|
738 |
AccessibleContext.ACCESSIBLE_STATE_PROPERTY, |
|
739 |
((oldValue == VERTICAL) |
|
740 |
? AccessibleState.VERTICAL : AccessibleState.HORIZONTAL), |
|
741 |
((orientation == VERTICAL) |
|
742 |
? AccessibleState.VERTICAL : AccessibleState.HORIZONTAL)); |
|
743 |
} |
|
744 |
if (orientation != oldValue) { |
|
745 |
revalidate(); |
|
746 |
} |
|
747 |
} |
|
748 |
||
749 |
||
750 |
/** |
|
751 |
* {@inheritDoc} |
|
752 |
* |
|
753 |
* @since 1.6 |
|
754 |
*/ |
|
755 |
public void setFont(Font font) { |
|
756 |
super.setFont(font); |
|
757 |
updateLabelSizes(); |
|
758 |
} |
|
759 |
||
677
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
760 |
/** |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
761 |
* {@inheritDoc} |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
762 |
* @since 1.7 |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
763 |
*/ |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
764 |
public boolean imageUpdate(Image img, int infoflags, int x, int y, int w, int h) { |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
765 |
if (!isShowing()) { |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
766 |
return false; |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
767 |
} |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
768 |
|
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
769 |
// Check that there is a label with such image |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
770 |
Enumeration elements = labelTable.elements(); |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
771 |
|
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
772 |
while (elements.hasMoreElements()) { |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
773 |
Component component = (Component) elements.nextElement(); |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
774 |
|
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
775 |
if (component instanceof JLabel) { |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
776 |
JLabel label = (JLabel) component; |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
777 |
|
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
778 |
if (SwingUtilities.doesIconReferenceImage(label.getIcon(), img) || |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
779 |
SwingUtilities.doesIconReferenceImage(label.getDisabledIcon(), img)) { |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
780 |
return super.imageUpdate(img, infoflags, x, y, w, h); |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
781 |
} |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
782 |
} |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
783 |
} |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
784 |
|
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
785 |
return false; |
20718977427b
4987336: JSlider doesn't show label's animated icon
rupashka
parents:
676
diff
changeset
|
786 |
} |
2 | 787 |
|
788 |
/** |
|
789 |
* Returns the dictionary of what labels to draw at which values. |
|
790 |
* |
|
791 |
* @return the <code>Dictionary</code> containing labels and |
|
792 |
* where to draw them |
|
793 |
*/ |
|
794 |
public Dictionary getLabelTable() { |
|
795 |
/* |
|
796 |
if ( labelTable == null && getMajorTickSpacing() > 0 ) { |
|
797 |
setLabelTable( createStandardLabels( getMajorTickSpacing() ) ); |
|
798 |
} |
|
799 |
*/ |
|
800 |
return labelTable; |
|
801 |
} |
|
802 |
||
803 |
||
804 |
/** |
|
805 |
* Used to specify what label will be drawn at any given value. |
|
806 |
* The key-value pairs are of this format: |
|
807 |
* <code>{ Integer value, java.swing.JComponent label }</code>. |
|
808 |
* <p> |
|
809 |
* An easy way to generate a standard table of value labels is by using the |
|
810 |
* {@code createStandardLabels} method. |
|
811 |
* <p> |
|
812 |
* Once the labels have been set, this method calls {@link #updateLabelUIs}. |
|
813 |
* Note that the labels are only painted if the {@code paintLabels} |
|
814 |
* property is {@code true}. |
|
815 |
* |
|
816 |
* @param labels new {@code Dictionary} of labels, or {@code null} to |
|
817 |
* remove all labels |
|
818 |
* @see #createStandardLabels(int) |
|
819 |
* @see #getLabelTable |
|
820 |
* @see #setPaintLabels |
|
821 |
* @beaninfo |
|
822 |
* hidden: true |
|
823 |
* bound: true |
|
824 |
* attribute: visualUpdate true |
|
825 |
* description: Specifies what labels will be drawn for any given value. |
|
826 |
*/ |
|
827 |
public void setLabelTable( Dictionary labels ) { |
|
828 |
Dictionary oldTable = labelTable; |
|
829 |
labelTable = labels; |
|
830 |
updateLabelUIs(); |
|
831 |
firePropertyChange("labelTable", oldTable, labelTable ); |
|
832 |
if (labels != oldTable) { |
|
833 |
revalidate(); |
|
834 |
repaint(); |
|
835 |
} |
|
836 |
} |
|
837 |
||
838 |
||
839 |
/** |
|
840 |
* Updates the UIs for the labels in the label table by calling |
|
841 |
* {@code updateUI} on each label. The UIs are updated from |
|
842 |
* the current look and feel. The labels are also set to their |
|
843 |
* preferred size. |
|
844 |
* |
|
845 |
* @see #setLabelTable |
|
846 |
* @see JComponent#updateUI |
|
847 |
*/ |
|
848 |
protected void updateLabelUIs() { |
|
676
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
849 |
Dictionary labelTable = getLabelTable(); |
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
850 |
|
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
851 |
if (labelTable == null) { |
2 | 852 |
return; |
853 |
} |
|
676
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
854 |
Enumeration labels = labelTable.keys(); |
2 | 855 |
while ( labels.hasMoreElements() ) { |
676
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
856 |
JComponent component = (JComponent) labelTable.get(labels.nextElement()); |
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
857 |
component.updateUI(); |
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
858 |
component.setSize(component.getPreferredSize()); |
2 | 859 |
} |
860 |
} |
|
861 |
||
862 |
private void updateLabelSizes() { |
|
863 |
Dictionary labelTable = getLabelTable(); |
|
864 |
if (labelTable != null) { |
|
865 |
Enumeration labels = labelTable.elements(); |
|
866 |
while (labels.hasMoreElements()) { |
|
676
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
867 |
JComponent component = (JComponent) labels.nextElement(); |
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
868 |
component.setSize(component.getPreferredSize()); |
2 | 869 |
} |
870 |
} |
|
871 |
} |
|
872 |
||
873 |
||
874 |
/** |
|
875 |
* Creates a {@code Hashtable} of numerical text labels, starting at the |
|
876 |
* slider minimum, and using the increment specified. |
|
877 |
* For example, if you call <code>createStandardLabels( 10 )</code> |
|
878 |
* and the slider minimum is zero, |
|
879 |
* then labels will be created for the values 0, 10, 20, 30, and so on. |
|
880 |
* <p> |
|
881 |
* For the labels to be drawn on the slider, the returned {@code Hashtable} |
|
882 |
* must be passed into {@code setLabelTable}, and {@code setPaintLabels} |
|
883 |
* must be set to {@code true}. |
|
884 |
* <p> |
|
885 |
* For further details on the makeup of the returned {@code Hashtable}, see |
|
886 |
* the {@code setLabelTable} documentation. |
|
887 |
* |
|
888 |
* @param increment distance between labels in the generated hashtable |
|
889 |
* @return a new {@code Hashtable} of labels |
|
890 |
* @see #setLabelTable |
|
891 |
* @see #setPaintLabels |
|
892 |
* @throws IllegalArgumentException if {@code increment} is less than or |
|
893 |
* equal to zero |
|
894 |
*/ |
|
895 |
public Hashtable createStandardLabels( int increment ) { |
|
896 |
return createStandardLabels( increment, getMinimum() ); |
|
897 |
} |
|
898 |
||
899 |
||
900 |
/** |
|
901 |
* Creates a {@code Hashtable} of numerical text labels, starting at the |
|
902 |
* starting point specified, and using the increment specified. |
|
903 |
* For example, if you call |
|
904 |
* <code>createStandardLabels( 10, 2 )</code>, |
|
905 |
* then labels will be created for the values 2, 12, 22, 32, and so on. |
|
906 |
* <p> |
|
907 |
* For the labels to be drawn on the slider, the returned {@code Hashtable} |
|
908 |
* must be passed into {@code setLabelTable}, and {@code setPaintLabels} |
|
909 |
* must be set to {@code true}. |
|
910 |
* <p> |
|
911 |
* For further details on the makeup of the returned {@code Hashtable}, see |
|
912 |
* the {@code setLabelTable} documentation. |
|
913 |
* |
|
914 |
* @param increment distance between labels in the generated hashtable |
|
915 |
* @param start value at which the labels will begin |
|
916 |
* @return a new {@code Hashtable} of labels |
|
917 |
* @see #setLabelTable |
|
918 |
* @see #setPaintLabels |
|
919 |
* @exception IllegalArgumentException if {@code start} is |
|
920 |
* out of range, or if {@code increment} is less than or equal |
|
921 |
* to zero |
|
922 |
*/ |
|
923 |
public Hashtable createStandardLabels( int increment, int start ) { |
|
924 |
if ( start > getMaximum() || start < getMinimum() ) { |
|
925 |
throw new IllegalArgumentException( "Slider label start point out of range." ); |
|
926 |
} |
|
927 |
||
928 |
if ( increment <= 0 ) { |
|
929 |
throw new IllegalArgumentException( "Label incremement must be > 0" ); |
|
930 |
} |
|
931 |
||
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
932 |
class SmartHashtable extends Hashtable<Object, Object> implements PropertyChangeListener { |
2 | 933 |
int increment = 0; |
934 |
int start = 0; |
|
935 |
boolean startAtMin = false; |
|
936 |
||
937 |
class LabelUIResource extends JLabel implements UIResource { |
|
938 |
public LabelUIResource( String text, int alignment ) { |
|
939 |
super( text, alignment ); |
|
940 |
setName("Slider.label"); |
|
941 |
} |
|
942 |
||
943 |
public Font getFont() { |
|
944 |
Font font = super.getFont(); |
|
945 |
if (font != null && !(font instanceof UIResource)) { |
|
946 |
return font; |
|
947 |
} |
|
948 |
return JSlider.this.getFont(); |
|
949 |
} |
|
950 |
||
951 |
public Color getForeground() { |
|
952 |
Color fg = super.getForeground(); |
|
953 |
if (fg != null && !(fg instanceof UIResource)) { |
|
954 |
return fg; |
|
955 |
} |
|
956 |
if (!(JSlider.this.getForeground() instanceof UIResource)) { |
|
957 |
return JSlider.this.getForeground(); |
|
958 |
} |
|
959 |
return fg; |
|
960 |
} |
|
961 |
} |
|
962 |
||
963 |
public SmartHashtable( int increment, int start ) { |
|
964 |
super(); |
|
965 |
this.increment = increment; |
|
966 |
this.start = start; |
|
967 |
startAtMin = start == getMinimum(); |
|
968 |
createLabels(); |
|
969 |
} |
|
970 |
||
971 |
public void propertyChange( PropertyChangeEvent e ) { |
|
972 |
if ( e.getPropertyName().equals( "minimum" ) && startAtMin ) { |
|
973 |
start = getMinimum(); |
|
974 |
} |
|
975 |
||
976 |
if ( e.getPropertyName().equals( "minimum" ) || |
|
977 |
e.getPropertyName().equals( "maximum" ) ) { |
|
978 |
||
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
979 |
Enumeration keys = getLabelTable().keys(); |
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
980 |
Hashtable<Object, Object> hashtable = new Hashtable<Object, Object>(); |
2 | 981 |
|
982 |
// Save the labels that were added by the developer |
|
983 |
while ( keys.hasMoreElements() ) { |
|
676
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
984 |
Object key = keys.nextElement(); |
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
985 |
Object value = labelTable.get(key); |
2 | 986 |
if ( !(value instanceof LabelUIResource) ) { |
987 |
hashtable.put( key, value ); |
|
988 |
} |
|
989 |
} |
|
990 |
||
991 |
clear(); |
|
992 |
createLabels(); |
|
993 |
||
994 |
// Add the saved labels |
|
995 |
keys = hashtable.keys(); |
|
996 |
while ( keys.hasMoreElements() ) { |
|
676
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
997 |
Object key = keys.nextElement(); |
2 | 998 |
put( key, hashtable.get( key ) ); |
999 |
} |
|
1000 |
||
1001 |
((JSlider)e.getSource()).setLabelTable( this ); |
|
1002 |
} |
|
1003 |
} |
|
1004 |
||
1005 |
void createLabels() { |
|
1006 |
for ( int labelIndex = start; labelIndex <= getMaximum(); labelIndex += increment ) { |
|
438
2ae294e4518c
6613529: Avoid duplicate object creation within JDK packages
dav
parents:
2
diff
changeset
|
1007 |
put( Integer.valueOf( labelIndex ), new LabelUIResource( ""+labelIndex, JLabel.CENTER ) ); |
2 | 1008 |
} |
1009 |
} |
|
1010 |
} |
|
1011 |
||
1012 |
SmartHashtable table = new SmartHashtable( increment, start ); |
|
1013 |
||
676
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
1014 |
Dictionary labelTable = getLabelTable(); |
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
1015 |
|
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
1016 |
if (labelTable != null && (labelTable instanceof PropertyChangeListener)) { |
8cf833d60e87
6709530: There are unnecessary code in slider classes, such as in JSlider and SliderUIs
rupashka
parents:
438
diff
changeset
|
1017 |
removePropertyChangeListener((PropertyChangeListener) labelTable); |
2 | 1018 |
} |
1019 |
||
1020 |
addPropertyChangeListener( table ); |
|
1021 |
||
1022 |
return table; |
|
1023 |
} |
|
1024 |
||
1025 |
||
1026 |
/** |
|
1027 |
* Returns true if the value-range shown for the slider is reversed, |
|
1028 |
* |
|
1029 |
* @return true if the slider values are reversed from their normal order |
|
1030 |
* @see #setInverted |
|
1031 |
*/ |
|
1032 |
public boolean getInverted() { |
|
1033 |
return isInverted; |
|
1034 |
} |
|
1035 |
||
1036 |
||
1037 |
/** |
|
1038 |
* Specify true to reverse the value-range shown for the slider and false to |
|
1039 |
* put the value range in the normal order. The order depends on the |
|
1040 |
* slider's <code>ComponentOrientation</code> property. Normal (non-inverted) |
|
1041 |
* horizontal sliders with a <code>ComponentOrientation</code> value of |
|
1042 |
* <code>LEFT_TO_RIGHT</code> have their maximum on the right. |
|
1043 |
* Normal horizontal sliders with a <code>ComponentOrientation</code> value of |
|
1044 |
* <code>RIGHT_TO_LEFT</code> have their maximum on the left. Normal vertical |
|
1045 |
* sliders have their maximum on the top. These labels are reversed when the |
|
1046 |
* slider is inverted. |
|
1047 |
* <p> |
|
1048 |
* By default, the value of this property is {@code false}. |
|
1049 |
* |
|
1050 |
* @param b true to reverse the slider values from their normal order |
|
1051 |
* @beaninfo |
|
1052 |
* bound: true |
|
1053 |
* attribute: visualUpdate true |
|
1054 |
* description: If true reverses the slider values from their normal order |
|
1055 |
* |
|
1056 |
*/ |
|
1057 |
public void setInverted( boolean b ) { |
|
1058 |
boolean oldValue = isInverted; |
|
1059 |
isInverted = b; |
|
1060 |
firePropertyChange("inverted", oldValue, isInverted); |
|
1061 |
if (b != oldValue) { |
|
1062 |
repaint(); |
|
1063 |
} |
|
1064 |
} |
|
1065 |
||
1066 |
||
1067 |
/** |
|
1068 |
* This method returns the major tick spacing. The number that is returned |
|
1069 |
* represents the distance, measured in values, between each major tick mark. |
|
1070 |
* If you have a slider with a range from 0 to 50 and the major tick spacing |
|
1071 |
* is set to 10, you will get major ticks next to the following values: |
|
1072 |
* 0, 10, 20, 30, 40, 50. |
|
1073 |
* |
|
1074 |
* @return the number of values between major ticks |
|
1075 |
* @see #setMajorTickSpacing |
|
1076 |
*/ |
|
1077 |
public int getMajorTickSpacing() { |
|
1078 |
return majorTickSpacing; |
|
1079 |
} |
|
1080 |
||
1081 |
||
1082 |
/** |
|
1083 |
* This method sets the major tick spacing. The number that is passed in |
|
1084 |
* represents the distance, measured in values, between each major tick mark. |
|
1085 |
* If you have a slider with a range from 0 to 50 and the major tick spacing |
|
1086 |
* is set to 10, you will get major ticks next to the following values: |
|
1087 |
* 0, 10, 20, 30, 40, 50. |
|
1088 |
* <p> |
|
1089 |
* In order for major ticks to be painted, {@code setPaintTicks} must be |
|
1090 |
* set to {@code true}. |
|
1091 |
* <p> |
|
1092 |
* This method will also set up a label table for you. |
|
1093 |
* If there is not already a label table, and the major tick spacing is |
|
1094 |
* {@code > 0}, and {@code getPaintLabels} returns |
|
1095 |
* {@code true}, a standard label table will be generated (by calling |
|
1096 |
* {@code createStandardLabels}) with labels at the major tick marks. |
|
1097 |
* For the example above, you would get text labels: "0", |
|
1098 |
* "10", "20", "30", "40", "50". |
|
1099 |
* The label table is then set on the slider by calling |
|
1100 |
* {@code setLabelTable}. |
|
1101 |
* |
|
1102 |
* @param n new value for the {@code majorTickSpacing} property |
|
1103 |
* @see #getMajorTickSpacing |
|
1104 |
* @see #setPaintTicks |
|
1105 |
* @see #setLabelTable |
|
1106 |
* @see #createStandardLabels(int) |
|
1107 |
* @beaninfo |
|
1108 |
* bound: true |
|
1109 |
* attribute: visualUpdate true |
|
1110 |
* description: Sets the number of values between major tick marks. |
|
1111 |
* |
|
1112 |
*/ |
|
1113 |
public void setMajorTickSpacing(int n) { |
|
1114 |
int oldValue = majorTickSpacing; |
|
1115 |
majorTickSpacing = n; |
|
1116 |
if ( labelTable == null && getMajorTickSpacing() > 0 && getPaintLabels() ) { |
|
1117 |
setLabelTable( createStandardLabels( getMajorTickSpacing() ) ); |
|
1118 |
} |
|
1119 |
firePropertyChange("majorTickSpacing", oldValue, majorTickSpacing); |
|
1120 |
if (majorTickSpacing != oldValue && getPaintTicks()) { |
|
1121 |
repaint(); |
|
1122 |
} |
|
1123 |
} |
|
1124 |
||
1125 |
||
1126 |
||
1127 |
/** |
|
1128 |
* This method returns the minor tick spacing. The number that is returned |
|
1129 |
* represents the distance, measured in values, between each minor tick mark. |
|
1130 |
* If you have a slider with a range from 0 to 50 and the minor tick spacing |
|
1131 |
* is set to 10, you will get minor ticks next to the following values: |
|
1132 |
* 0, 10, 20, 30, 40, 50. |
|
1133 |
* |
|
1134 |
* @return the number of values between minor ticks |
|
1135 |
* @see #getMinorTickSpacing |
|
1136 |
*/ |
|
1137 |
public int getMinorTickSpacing() { |
|
1138 |
return minorTickSpacing; |
|
1139 |
} |
|
1140 |
||
1141 |
||
1142 |
/** |
|
1143 |
* This method sets the minor tick spacing. The number that is passed in |
|
1144 |
* represents the distance, measured in values, between each minor tick mark. |
|
1145 |
* If you have a slider with a range from 0 to 50 and the minor tick spacing |
|
1146 |
* is set to 10, you will get minor ticks next to the following values: |
|
1147 |
* 0, 10, 20, 30, 40, 50. |
|
1148 |
* <p> |
|
1149 |
* In order for minor ticks to be painted, {@code setPaintTicks} must be |
|
1150 |
* set to {@code true}. |
|
1151 |
* |
|
1152 |
* @param n new value for the {@code minorTickSpacing} property |
|
1153 |
* @see #getMinorTickSpacing |
|
1154 |
* @see #setPaintTicks |
|
1155 |
* @beaninfo |
|
1156 |
* bound: true |
|
1157 |
* attribute: visualUpdate true |
|
1158 |
* description: Sets the number of values between minor tick marks. |
|
1159 |
*/ |
|
1160 |
public void setMinorTickSpacing(int n) { |
|
1161 |
int oldValue = minorTickSpacing; |
|
1162 |
minorTickSpacing = n; |
|
1163 |
firePropertyChange("minorTickSpacing", oldValue, minorTickSpacing); |
|
1164 |
if (minorTickSpacing != oldValue && getPaintTicks()) { |
|
1165 |
repaint(); |
|
1166 |
} |
|
1167 |
} |
|
1168 |
||
1169 |
||
1170 |
/** |
|
1171 |
* Returns true if the knob (and the data value it represents) |
|
1172 |
* resolve to the closest tick mark next to where the user |
|
1173 |
* positioned the knob. |
|
1174 |
* |
|
1175 |
* @return true if the value snaps to the nearest tick mark, else false |
|
1176 |
* @see #setSnapToTicks |
|
1177 |
*/ |
|
1178 |
public boolean getSnapToTicks() { |
|
1179 |
return snapToTicks; |
|
1180 |
} |
|
1181 |
||
1182 |
||
1183 |
/** |
|
1184 |
* Returns true if the knob (and the data value it represents) |
|
1185 |
* resolve to the closest slider value next to where the user |
|
1186 |
* positioned the knob. |
|
1187 |
* |
|
1188 |
* @return true if the value snaps to the nearest slider value, else false |
|
1189 |
* @see #setSnapToValue |
|
1190 |
*/ |
|
1191 |
boolean getSnapToValue() { |
|
1192 |
return snapToValue; |
|
1193 |
} |
|
1194 |
||
1195 |
||
1196 |
/** |
|
1197 |
* Specifying true makes the knob (and the data value it represents) |
|
1198 |
* resolve to the closest tick mark next to where the user |
|
1199 |
* positioned the knob. |
|
1200 |
* By default, this property is {@code false}. |
|
1201 |
* |
|
1202 |
* @param b true to snap the knob to the nearest tick mark |
|
1203 |
* @see #getSnapToTicks |
|
1204 |
* @beaninfo |
|
1205 |
* bound: true |
|
1206 |
* description: If true snap the knob to the nearest tick mark. |
|
1207 |
*/ |
|
1208 |
public void setSnapToTicks(boolean b) { |
|
1209 |
boolean oldValue = snapToTicks; |
|
1210 |
snapToTicks = b; |
|
1211 |
firePropertyChange("snapToTicks", oldValue, snapToTicks); |
|
1212 |
} |
|
1213 |
||
1214 |
||
1215 |
/** |
|
1216 |
* Specifying true makes the knob (and the data value it represents) |
|
1217 |
* resolve to the closest slider value next to where the user |
|
1218 |
* positioned the knob. If the {@code snapToTicks} property has also been |
|
1219 |
* set to {@code true}, the snap-to-ticks behavior will prevail. |
|
1220 |
* By default, the snapToValue property is {@code true}. |
|
1221 |
* |
|
1222 |
* @param b true to snap the knob to the nearest slider value |
|
1223 |
* @see #getSnapToValue |
|
1224 |
* @see #setSnapToTicks |
|
1225 |
* @beaninfo |
|
1226 |
* bound: true |
|
1227 |
* description: If true snap the knob to the nearest slider value. |
|
1228 |
*/ |
|
1229 |
void setSnapToValue(boolean b) { |
|
1230 |
boolean oldValue = snapToValue; |
|
1231 |
snapToValue = b; |
|
1232 |
firePropertyChange("snapToValue", oldValue, snapToValue); |
|
1233 |
} |
|
1234 |
||
1235 |
||
1236 |
/** |
|
1237 |
* Tells if tick marks are to be painted. |
|
1238 |
* @return true if tick marks are painted, else false |
|
1239 |
* @see #setPaintTicks |
|
1240 |
*/ |
|
1241 |
public boolean getPaintTicks() { |
|
1242 |
return paintTicks; |
|
1243 |
} |
|
1244 |
||
1245 |
||
1246 |
/** |
|
1247 |
* Determines whether tick marks are painted on the slider. |
|
1248 |
* By default, this property is {@code false}. |
|
1249 |
* |
|
1250 |
* @param b whether or not tick marks should be painted |
|
1251 |
* @see #getPaintTicks |
|
1252 |
* @beaninfo |
|
1253 |
* bound: true |
|
1254 |
* attribute: visualUpdate true |
|
1255 |
* description: If true tick marks are painted on the slider. |
|
1256 |
*/ |
|
1257 |
public void setPaintTicks(boolean b) { |
|
1258 |
boolean oldValue = paintTicks; |
|
1259 |
paintTicks = b; |
|
1260 |
firePropertyChange("paintTicks", oldValue, paintTicks); |
|
1261 |
if (paintTicks != oldValue) { |
|
1262 |
revalidate(); |
|
1263 |
repaint(); |
|
1264 |
} |
|
1265 |
} |
|
1266 |
||
1267 |
/** |
|
1268 |
* Tells if the track (area the slider slides in) is to be painted. |
|
1269 |
* @return true if track is painted, else false |
|
1270 |
* @see #setPaintTrack |
|
1271 |
*/ |
|
1272 |
public boolean getPaintTrack() { |
|
1273 |
return paintTrack; |
|
1274 |
} |
|
1275 |
||
1276 |
||
1277 |
/** |
|
1278 |
* Determines whether the track is painted on the slider. |
|
1279 |
* By default, this property is {@code true}. |
|
1280 |
* |
|
1281 |
* @param b whether or not to paint the slider track |
|
1282 |
* @see #getPaintTrack |
|
1283 |
* @beaninfo |
|
1284 |
* bound: true |
|
1285 |
* attribute: visualUpdate true |
|
1286 |
* description: If true, the track is painted on the slider. |
|
1287 |
*/ |
|
1288 |
public void setPaintTrack(boolean b) { |
|
1289 |
boolean oldValue = paintTrack; |
|
1290 |
paintTrack = b; |
|
1291 |
firePropertyChange("paintTrack", oldValue, paintTrack); |
|
1292 |
if (paintTrack != oldValue) { |
|
1293 |
repaint(); |
|
1294 |
} |
|
1295 |
} |
|
1296 |
||
1297 |
||
1298 |
/** |
|
1299 |
* Tells if labels are to be painted. |
|
1300 |
* @return true if labels are painted, else false |
|
1301 |
* @see #setPaintLabels |
|
1302 |
*/ |
|
1303 |
public boolean getPaintLabels() { |
|
1304 |
return paintLabels; |
|
1305 |
} |
|
1306 |
||
1307 |
||
1308 |
/** |
|
1309 |
* Determines whether labels are painted on the slider. |
|
1310 |
* <p> |
|
1311 |
* This method will also set up a label table for you. |
|
1312 |
* If there is not already a label table, and the major tick spacing is |
|
1313 |
* {@code > 0}, |
|
1314 |
* a standard label table will be generated (by calling |
|
1315 |
* {@code createStandardLabels}) with labels at the major tick marks. |
|
1316 |
* The label table is then set on the slider by calling |
|
1317 |
* {@code setLabelTable}. |
|
1318 |
* <p> |
|
1319 |
* By default, this property is {@code false}. |
|
1320 |
* |
|
1321 |
* @param b whether or not to paint labels |
|
1322 |
* @see #getPaintLabels |
|
1323 |
* @see #getLabelTable |
|
1324 |
* @see #createStandardLabels(int) |
|
1325 |
* @beaninfo |
|
1326 |
* bound: true |
|
1327 |
* attribute: visualUpdate true |
|
1328 |
* description: If true labels are painted on the slider. |
|
1329 |
*/ |
|
1330 |
public void setPaintLabels(boolean b) { |
|
1331 |
boolean oldValue = paintLabels; |
|
1332 |
paintLabels = b; |
|
1333 |
if ( labelTable == null && getMajorTickSpacing() > 0 ) { |
|
1334 |
setLabelTable( createStandardLabels( getMajorTickSpacing() ) ); |
|
1335 |
} |
|
1336 |
firePropertyChange("paintLabels", oldValue, paintLabels); |
|
1337 |
if (paintLabels != oldValue) { |
|
1338 |
revalidate(); |
|
1339 |
repaint(); |
|
1340 |
} |
|
1341 |
} |
|
1342 |
||
1343 |
||
1344 |
/** |
|
1345 |
* See readObject() and writeObject() in JComponent for more |
|
1346 |
* information about serialization in Swing. |
|
1347 |
*/ |
|
1348 |
private void writeObject(ObjectOutputStream s) throws IOException { |
|
1349 |
s.defaultWriteObject(); |
|
1350 |
if (getUIClassID().equals(uiClassID)) { |
|
1351 |
byte count = JComponent.getWriteObjCounter(this); |
|
1352 |
JComponent.setWriteObjCounter(this, --count); |
|
1353 |
if (count == 0 && ui != null) { |
|
1354 |
ui.installUI(this); |
|
1355 |
} |
|
1356 |
} |
|
1357 |
} |
|
1358 |
||
1359 |
||
1360 |
/** |
|
1361 |
* Returns a string representation of this JSlider. This method |
|
1362 |
* is intended to be used only for debugging purposes, and the |
|
1363 |
* content and format of the returned string may vary between |
|
1364 |
* implementations. The returned string may be empty but may not |
|
1365 |
* be <code>null</code>. |
|
1366 |
* |
|
1367 |
* @return a string representation of this JSlider. |
|
1368 |
*/ |
|
1369 |
protected String paramString() { |
|
1370 |
String paintTicksString = (paintTicks ? |
|
1371 |
"true" : "false"); |
|
1372 |
String paintTrackString = (paintTrack ? |
|
1373 |
"true" : "false"); |
|
1374 |
String paintLabelsString = (paintLabels ? |
|
1375 |
"true" : "false"); |
|
1376 |
String isInvertedString = (isInverted ? |
|
1377 |
"true" : "false"); |
|
1378 |
String snapToTicksString = (snapToTicks ? |
|
1379 |
"true" : "false"); |
|
1380 |
String snapToValueString = (snapToValue ? |
|
1381 |
"true" : "false"); |
|
1382 |
String orientationString = (orientation == HORIZONTAL ? |
|
1383 |
"HORIZONTAL" : "VERTICAL"); |
|
1384 |
||
1385 |
return super.paramString() + |
|
1386 |
",isInverted=" + isInvertedString + |
|
1387 |
",majorTickSpacing=" + majorTickSpacing + |
|
1388 |
",minorTickSpacing=" + minorTickSpacing + |
|
1389 |
",orientation=" + orientationString + |
|
1390 |
",paintLabels=" + paintLabelsString + |
|
1391 |
",paintTicks=" + paintTicksString + |
|
1392 |
",paintTrack=" + paintTrackString + |
|
1393 |
",snapToTicks=" + snapToTicksString + |
|
1394 |
",snapToValue=" + snapToValueString; |
|
1395 |
} |
|
1396 |
||
1397 |
||
1398 |
///////////////// |
|
1399 |
// Accessibility support |
|
1400 |
//////////////// |
|
1401 |
||
1402 |
/** |
|
1403 |
* Gets the AccessibleContext associated with this JSlider. |
|
1404 |
* For sliders, the AccessibleContext takes the form of an |
|
1405 |
* AccessibleJSlider. |
|
1406 |
* A new AccessibleJSlider instance is created if necessary. |
|
1407 |
* |
|
1408 |
* @return an AccessibleJSlider that serves as the |
|
1409 |
* AccessibleContext of this JSlider |
|
1410 |
*/ |
|
1411 |
public AccessibleContext getAccessibleContext() { |
|
1412 |
if (accessibleContext == null) { |
|
1413 |
accessibleContext = new AccessibleJSlider(); |
|
1414 |
} |
|
1415 |
return accessibleContext; |
|
1416 |
} |
|
1417 |
||
1418 |
/** |
|
1419 |
* This class implements accessibility support for the |
|
1420 |
* <code>JSlider</code> class. It provides an implementation of the |
|
1421 |
* Java Accessibility API appropriate to slider user-interface elements. |
|
1422 |
* <p> |
|
1423 |
* <strong>Warning:</strong> |
|
1424 |
* Serialized objects of this class will not be compatible with |
|
1425 |
* future Swing releases. The current serialization support is |
|
1426 |
* appropriate for short term storage or RMI between applications running |
|
1427 |
* the same version of Swing. As of 1.4, support for long term storage |
|
20458 | 1428 |
* of all JavaBeans™ |
2 | 1429 |
* has been added to the <code>java.beans</code> package. |
1430 |
* Please see {@link java.beans.XMLEncoder}. |
|
1431 |
*/ |
|
1432 |
protected class AccessibleJSlider extends AccessibleJComponent |
|
1433 |
implements AccessibleValue { |
|
1434 |
||
1435 |
/** |
|
1436 |
* Get the state set of this object. |
|
1437 |
* |
|
1438 |
* @return an instance of AccessibleState containing the current state |
|
1439 |
* of the object |
|
1440 |
* @see AccessibleState |
|
1441 |
*/ |
|
1442 |
public AccessibleStateSet getAccessibleStateSet() { |
|
1443 |
AccessibleStateSet states = super.getAccessibleStateSet(); |
|
1444 |
if (getValueIsAdjusting()) { |
|
1445 |
states.add(AccessibleState.BUSY); |
|
1446 |
} |
|
1447 |
if (getOrientation() == VERTICAL) { |
|
1448 |
states.add(AccessibleState.VERTICAL); |
|
1449 |
} |
|
1450 |
else { |
|
1451 |
states.add(AccessibleState.HORIZONTAL); |
|
1452 |
} |
|
1453 |
return states; |
|
1454 |
} |
|
1455 |
||
1456 |
/** |
|
1457 |
* Get the role of this object. |
|
1458 |
* |
|
1459 |
* @return an instance of AccessibleRole describing the role of the object |
|
1460 |
*/ |
|
1461 |
public AccessibleRole getAccessibleRole() { |
|
1462 |
return AccessibleRole.SLIDER; |
|
1463 |
} |
|
1464 |
||
1465 |
/** |
|
1466 |
* Get the AccessibleValue associated with this object. In the |
|
1467 |
* implementation of the Java Accessibility API for this class, |
|
1468 |
* return this object, which is responsible for implementing the |
|
1469 |
* AccessibleValue interface on behalf of itself. |
|
1470 |
* |
|
1471 |
* @return this object |
|
1472 |
*/ |
|
1473 |
public AccessibleValue getAccessibleValue() { |
|
1474 |
return this; |
|
1475 |
} |
|
1476 |
||
1477 |
/** |
|
1478 |
* Get the accessible value of this object. |
|
1479 |
* |
|
1480 |
* @return The current value of this object. |
|
1481 |
*/ |
|
1482 |
public Number getCurrentAccessibleValue() { |
|
438
2ae294e4518c
6613529: Avoid duplicate object creation within JDK packages
dav
parents:
2
diff
changeset
|
1483 |
return Integer.valueOf(getValue()); |
2 | 1484 |
} |
1485 |
||
1486 |
/** |
|
1487 |
* Set the value of this object as a Number. |
|
1488 |
* |
|
1489 |
* @return True if the value was set. |
|
1490 |
*/ |
|
1491 |
public boolean setCurrentAccessibleValue(Number n) { |
|
1492 |
// TIGER - 4422535 |
|
1493 |
if (n == null) { |
|
1494 |
return false; |
|
1495 |
} |
|
1496 |
setValue(n.intValue()); |
|
1497 |
return true; |
|
1498 |
} |
|
1499 |
||
1500 |
/** |
|
1501 |
* Get the minimum accessible value of this object. |
|
1502 |
* |
|
1503 |
* @return The minimum value of this object. |
|
1504 |
*/ |
|
1505 |
public Number getMinimumAccessibleValue() { |
|
438
2ae294e4518c
6613529: Avoid duplicate object creation within JDK packages
dav
parents:
2
diff
changeset
|
1506 |
return Integer.valueOf(getMinimum()); |
2 | 1507 |
} |
1508 |
||
1509 |
/** |
|
1510 |
* Get the maximum accessible value of this object. |
|
1511 |
* |
|
1512 |
* @return The maximum value of this object. |
|
1513 |
*/ |
|
1514 |
public Number getMaximumAccessibleValue() { |
|
1515 |
// TIGER - 4422362 |
|
1516 |
BoundedRangeModel model = JSlider.this.getModel(); |
|
438
2ae294e4518c
6613529: Avoid duplicate object creation within JDK packages
dav
parents:
2
diff
changeset
|
1517 |
return Integer.valueOf(model.getMaximum() - model.getExtent()); |
2 | 1518 |
} |
1519 |
} // AccessibleJSlider |
|
1520 |
} |