1 /*
2 * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved.
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
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
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 *
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.
24 */
25
26 package javafx.scene.control.skin;
27
28 import com.sun.javafx.scene.NodeHelper;
29 import com.sun.javafx.scene.ParentHelper;
30 import java.util.ArrayList;
31 import java.util.Collections;
32 import java.util.List;
33
34 import com.sun.javafx.scene.control.behavior.BehaviorBase;
35 import com.sun.javafx.scene.traversal.Algorithm;
36 import com.sun.javafx.scene.traversal.ParentTraversalEngine;
37 import com.sun.javafx.scene.traversal.TraversalContext;
38
39 import javafx.beans.property.ObjectProperty;
40 import javafx.beans.property.DoubleProperty;
41 import javafx.beans.value.WritableValue;
42 import javafx.collections.FXCollections;
43 import javafx.collections.ListChangeListener;
44 import javafx.collections.ObservableList;
45 import javafx.geometry.HPos;
46 import javafx.geometry.Orientation;
47 import javafx.geometry.Pos;
48 import javafx.geometry.Side;
49 import javafx.geometry.VPos;
50 import javafx.scene.AccessibleAction;
51 import javafx.scene.AccessibleAttribute;
52 import javafx.scene.AccessibleRole;
53 import javafx.scene.Node;
54 import javafx.scene.Parent;
55 import javafx.scene.control.ContextMenu;
56 import javafx.scene.control.Control;
57 import javafx.scene.control.MenuItem;
58 import javafx.scene.control.CustomMenuItem;
59 import javafx.scene.control.Separator;
60 import javafx.scene.control.SeparatorMenuItem;
61 import javafx.scene.control.SkinBase;
62 import javafx.scene.control.ToolBar;
63 import javafx.scene.input.KeyCode;
64 import javafx.scene.layout.HBox;
65 import javafx.scene.layout.Pane;
66 import javafx.scene.layout.StackPane;
67 import javafx.scene.layout.VBox;
68 import javafx.css.StyleableDoubleProperty;
69 import javafx.css.StyleableObjectProperty;
70 import javafx.css.StyleableProperty;
71 import javafx.css.CssMetaData;
72
73 import javafx.css.converter.EnumConverter;
74 import javafx.css.converter.SizeConverter;
75 import com.sun.javafx.scene.control.behavior.ToolBarBehavior;
76 import com.sun.javafx.scene.traversal.Direction;
77
78 import javafx.css.Styleable;
79
80 import static com.sun.javafx.scene.control.skin.resources.ControlResources.getString;
81
82 /**
83 * Default skin implementation for the {@link ToolBar} control.
84 *
85 * @see ToolBar
86 * @since 9
87 */
88 public class ToolBarSkin extends SkinBase<ToolBar> {
89
90 /***************************************************************************
91 * *
92 * Private fields *
93 * *
94 **************************************************************************/
95
96 private Pane box;
97 private ToolBarOverflowMenu overflowMenu;
98 private boolean overflow = false;
99 private double previousWidth = 0;
100 private double previousHeight = 0;
101 private double savedPrefWidth = 0;
102 private double savedPrefHeight = 0;
103 private ObservableList<MenuItem> overflowMenuItems;
104 private boolean needsUpdate = false;
105 private final ParentTraversalEngine engine;
106 private final BehaviorBase<ToolBar> behavior;
107
108
109
110 /***************************************************************************
111 * *
112 * Constructors *
113 * *
114 **************************************************************************/
115
116 /**
117 * Creates a new ToolBarSkin instance, installing the necessary child
118 * nodes into the Control {@link Control#getChildren() children} list, as
119 * well as the necessary input mappings for handling key, mouse, etc events.
120 *
121 * @param control The control that this skin should be installed onto.
122 */
123 public ToolBarSkin(ToolBar control) {
124 super(control);
125
126 // install default input map for the ToolBar control
127 behavior = new ToolBarBehavior(control);
128 // control.setInputMap(behavior.getInputMap());
129
130 overflowMenuItems = FXCollections.observableArrayList();
131 initialize();
132 registerChangeListener(control.orientationProperty(), e -> initialize());
133
134 engine = new ParentTraversalEngine(getSkinnable(), new Algorithm() {
135
136 private Node selectPrev(int from, TraversalContext context) {
137 for (int i = from; i >= 0; --i) {
138 Node n = box.getChildren().get(i);
139 if (n.isDisabled() || !NodeHelper.isTreeShowing(n)) continue;
140 if (n instanceof Parent) {
141 Node selected = context.selectLastInParent((Parent)n);
142 if (selected != null) return selected;
143 }
144 if (n.isFocusTraversable() ) {
145 return n;
146 }
147 }
148 return null;
149 }
150
151 private Node selectNext(int from, TraversalContext context) {
152 for (int i = from, max = box.getChildren().size(); i < max; ++i) {
153 Node n = box.getChildren().get(i);
154 if (n.isDisabled() || !NodeHelper.isTreeShowing(n)) continue;
155 if (n.isFocusTraversable()) {
156 return n;
157 }
158 if (n instanceof Parent) {
159 Node selected = context.selectFirstInParent((Parent)n);
160 if (selected != null) return selected;
161 }
162 }
163 return null;
164 }
165
166 @Override
167 public Node select(Node owner, Direction dir, TraversalContext context) {
168 final ObservableList<Node> boxChildren = box.getChildren();
169 if (owner == overflowMenu) {
170 if (dir.isForward()) {
171 return null;
172 } else {
173 Node selected = selectPrev(boxChildren.size() - 1, context);
174 if (selected != null) return selected;
175 }
176 }
177
178 int idx = boxChildren.indexOf(owner);
179
180 if (idx < 0) {
181 // The current focus owner is a child of some Toolbar's item
182 Parent item = owner.getParent();
183 while (!boxChildren.contains(item)) {
184 item = item.getParent();
185 }
186 Node selected = context.selectInSubtree(item, owner, dir);
187 if (selected != null) return selected;
188 idx = boxChildren.indexOf(owner);
189 if (dir == Direction.NEXT) dir = Direction.NEXT_IN_LINE;
190 }
191
192 if (idx >= 0) {
193 if (dir.isForward()) {
194 Node selected = selectNext(idx + 1, context);
195 if (selected != null) return selected;
196 if (overflow) {
197 overflowMenu.requestFocus();
198 return overflowMenu;
199 }
200 } else {
201 Node selected = selectPrev(idx - 1, context);
202 if (selected != null) return selected;
203 }
204 }
205 return null;
206 }
207
208 @Override
209 public Node selectFirst(TraversalContext context) {
210 Node selected = selectNext(0, context);
211 if (selected != null) return selected;
212 if (overflow) {
213 return overflowMenu;
214 }
215 return null;
216 }
217
218 @Override
219 public Node selectLast(TraversalContext context) {
220 if (overflow) {
221 return overflowMenu;
222 }
223 return selectPrev(box.getChildren().size() - 1, context);
224 }
225 });
226 ParentHelper.setTraversalEngine(getSkinnable(), engine);
227
228 control.focusedProperty().addListener((observable, oldValue, newValue) -> {
229 if (newValue) {
230 // TODO need to detect the focus direction
231 // to selected the first control in the toolbar when TAB is pressed
232 // or select the last control in the toolbar when SHIFT TAB is pressed.
233 if (!box.getChildren().isEmpty()) {
234 box.getChildren().get(0).requestFocus();
235 } else {
236 overflowMenu.requestFocus();
237 }
238 }
239 });
240
241 control.getItems().addListener((ListChangeListener<Node>) c -> {
242 while (c.next()) {
243 for (Node n: c.getRemoved()) {
244 box.getChildren().remove(n);
245 }
246 box.getChildren().addAll(c.getAddedSubList());
247 }
248 needsUpdate = true;
249 getSkinnable().requestLayout();
250 });
251 }
252
253
254
255 /***************************************************************************
256 * *
257 * Properties *
258 * *
259 **************************************************************************/
260
261 // --- spacing
262 private DoubleProperty spacing;
263 private final void setSpacing(double value) {
264 spacingProperty().set(snapSpace(value));
265 }
266
267 private final double getSpacing() {
268 return spacing == null ? 0.0 : snapSpace(spacing.get());
269 }
270
271 private final DoubleProperty spacingProperty() {
272 if (spacing == null) {
273 spacing = new StyleableDoubleProperty() {
274
275 @Override
276 protected void invalidated() {
277 final double value = get();
278 if (getSkinnable().getOrientation() == Orientation.VERTICAL) {
279 ((VBox)box).setSpacing(value);
280 } else {
281 ((HBox)box).setSpacing(value);
282 }
283 }
284
285 @Override
286 public Object getBean() {
287 return ToolBarSkin.this;
288 }
289
290 @Override
291 public String getName() {
292 return "spacing";
293 }
294
295 @Override
296 public CssMetaData<ToolBar,Number> getCssMetaData() {
297 return StyleableProperties.SPACING;
298 }
299 };
300 }
301 return spacing;
302 }
303
304 // --- box alignment
305 private ObjectProperty<Pos> boxAlignment;
306 private final void setBoxAlignment(Pos value) {
307 boxAlignmentProperty().set(value);
308 }
309
310 private final Pos getBoxAlignment() {
311 return boxAlignment == null ? Pos.TOP_LEFT : boxAlignment.get();
312 }
313
314 private final ObjectProperty<Pos> boxAlignmentProperty() {
315 if (boxAlignment == null) {
316 boxAlignment = new StyleableObjectProperty<Pos>(Pos.TOP_LEFT) {
317
318 @Override
319 public void invalidated() {
320 final Pos value = get();
321 if (getSkinnable().getOrientation() == Orientation.VERTICAL) {
322 ((VBox)box).setAlignment(value);
323 } else {
324 ((HBox)box).setAlignment(value);
325 }
326 }
327
328 @Override
329 public Object getBean() {
330 return ToolBarSkin.this;
331 }
332
333 @Override
334 public String getName() {
335 return "boxAlignment";
336 }
337
338 @Override
339 public CssMetaData<ToolBar,Pos> getCssMetaData() {
340 return StyleableProperties.ALIGNMENT;
341 }
342 };
343 }
344 return boxAlignment;
345 }
346
347
348
349 /***************************************************************************
350 * *
351 * Public API *
352 * *
353 **************************************************************************/
354
355 /** {@inheritDoc} */
356 @Override public void dispose() {
357 super.dispose();
358
359 if (behavior != null) {
360 behavior.dispose();
361 }
362 }
363
364 /** {@inheritDoc} */
365 @Override protected double computeMinWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
366 final ToolBar toolbar = getSkinnable();
367 return toolbar.getOrientation() == Orientation.VERTICAL ?
368 computePrefWidth(-1, topInset, rightInset, bottomInset, leftInset) :
369 snapSize(overflowMenu.prefWidth(-1)) + leftInset + rightInset;
370 }
371
372 /** {@inheritDoc} */
373 @Override protected double computeMinHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
374 final ToolBar toolbar = getSkinnable();
375 return toolbar.getOrientation() == Orientation.VERTICAL?
376 snapSize(overflowMenu.prefHeight(-1)) + topInset + bottomInset :
377 computePrefHeight(-1, topInset, rightInset, bottomInset, leftInset);
378 }
379
380 /** {@inheritDoc} */
381 @Override protected double computePrefWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
382 double prefWidth = 0;
383 final ToolBar toolbar = getSkinnable();
384
385 if (toolbar.getOrientation() == Orientation.HORIZONTAL) {
386 for (Node node : toolbar.getItems()) {
387 if (!node.isManaged()) continue;
388 prefWidth += snapSize(node.prefWidth(-1)) + getSpacing();
389 }
390 prefWidth -= getSpacing();
391 } else {
392 for (Node node : toolbar.getItems()) {
393 if (!node.isManaged()) continue;
394 prefWidth = Math.max(prefWidth, snapSize(node.prefWidth(-1)));
395 }
396 if (toolbar.getItems().size() > 0) {
397 savedPrefWidth = prefWidth;
398 } else {
399 prefWidth = savedPrefWidth;
400 }
401 }
402 return leftInset + prefWidth + rightInset;
403 }
404
405 /** {@inheritDoc} */
406 @Override protected double computePrefHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
407 double prefHeight = 0;
408 final ToolBar toolbar = getSkinnable();
409
410 if(toolbar.getOrientation() == Orientation.VERTICAL) {
411 for (Node node: toolbar.getItems()) {
412 if (!node.isManaged()) continue;
413 prefHeight += snapSize(node.prefHeight(-1)) + getSpacing();
414 }
415 prefHeight -= getSpacing();
416 } else {
417 for (Node node : toolbar.getItems()) {
418 if (!node.isManaged()) continue;
419 prefHeight = Math.max(prefHeight, snapSize(node.prefHeight(-1)));
420 }
421 if (toolbar.getItems().size() > 0) {
422 savedPrefHeight = prefHeight;
423 } else {
424 prefHeight = savedPrefHeight;
425 }
426 }
427 return topInset + prefHeight + bottomInset;
428 }
429
430 /** {@inheritDoc} */
431 @Override protected double computeMaxWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
432 return getSkinnable().getOrientation() == Orientation.VERTICAL ?
433 snapSize(getSkinnable().prefWidth(-1)) : Double.MAX_VALUE;
434 }
435
436 /** {@inheritDoc} */
437 @Override protected double computeMaxHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
438 return getSkinnable().getOrientation() == Orientation.VERTICAL ?
439 Double.MAX_VALUE : snapSize(getSkinnable().prefHeight(-1));
440 }
441
442 /** {@inheritDoc} */
443 @Override protected void layoutChildren(final double x,final double y,
444 final double w, final double h) {
445 // super.layoutChildren();
446 final ToolBar toolbar = getSkinnable();
447
448 if (toolbar.getOrientation() == Orientation.VERTICAL) {
449 if (snapSize(toolbar.getHeight()) != previousHeight || needsUpdate) {
450 ((VBox)box).setSpacing(getSpacing());
451 ((VBox)box).setAlignment(getBoxAlignment());
452 previousHeight = snapSize(toolbar.getHeight());
453 addNodesToToolBar();
454 }
455 } else {
456 if (snapSize(toolbar.getWidth()) != previousWidth || needsUpdate) {
457 ((HBox)box).setSpacing(getSpacing());
458 ((HBox)box).setAlignment(getBoxAlignment());
459 previousWidth = snapSize(toolbar.getWidth());
460 addNodesToToolBar();
461 }
462 }
463 needsUpdate = false;
464
465 double toolbarWidth = w;
466 double toolbarHeight = h;
467
468 if (getSkinnable().getOrientation() == Orientation.VERTICAL) {
469 toolbarHeight -= (overflow ? snapSize(overflowMenu.prefHeight(-1)) : 0);
470 } else {
471 toolbarWidth -= (overflow ? snapSize(overflowMenu.prefWidth(-1)) : 0);
472 }
473
474 box.resize(toolbarWidth, toolbarHeight);
475 positionInArea(box, x, y,
476 toolbarWidth, toolbarHeight, /*baseline ignored*/0, HPos.CENTER, VPos.CENTER);
477
478 // If popup menu is not null show the overflowControl
479 if (overflow) {
480 double overflowMenuWidth = snapSize(overflowMenu.prefWidth(-1));
481 double overflowMenuHeight = snapSize(overflowMenu.prefHeight(-1));
482 double overflowX = x;
483 double overflowY = x;
484 if (getSkinnable().getOrientation() == Orientation.VERTICAL) {
485 // This is to prevent the overflow menu from moving when there
486 // are no items in the toolbar.
487 if (toolbarWidth == 0) {
488 toolbarWidth = savedPrefWidth;
489 }
490 HPos pos = ((VBox)box).getAlignment().getHpos();
491 if (HPos.LEFT.equals(pos)) {
492 overflowX = x + Math.abs((toolbarWidth - overflowMenuWidth)/2);
493 } else if (HPos.RIGHT.equals(pos)) {
494 overflowX = (snapSize(toolbar.getWidth()) - snappedRightInset() - toolbarWidth) +
495 Math.abs((toolbarWidth - overflowMenuWidth)/2);
496 } else {
497 overflowX = x +
498 Math.abs((snapSize(toolbar.getWidth()) - (x) +
499 snappedRightInset() - overflowMenuWidth)/2);
500 }
501 overflowY = snapSize(toolbar.getHeight()) - overflowMenuHeight - y;
502 } else {
503 // This is to prevent the overflow menu from moving when there
504 // are no items in the toolbar.
505 if (toolbarHeight == 0) {
506 toolbarHeight = savedPrefHeight;
507 }
508 VPos pos = ((HBox)box).getAlignment().getVpos();
509 if (VPos.TOP.equals(pos)) {
510 overflowY = y +
511 Math.abs((toolbarHeight - overflowMenuHeight)/2);
512 } else if (VPos.BOTTOM.equals(pos)) {
513 overflowY = (snapSize(toolbar.getHeight()) - snappedBottomInset() - toolbarHeight) +
514 Math.abs((toolbarHeight - overflowMenuHeight)/2);
515 } else {
516 overflowY = y + Math.abs((toolbarHeight - overflowMenuHeight)/2);
517 }
518 overflowX = snapSize(toolbar.getWidth()) - overflowMenuWidth - snappedRightInset();
519 }
520 overflowMenu.resize(overflowMenuWidth, overflowMenuHeight);
521 positionInArea(overflowMenu, overflowX, overflowY, overflowMenuWidth, overflowMenuHeight, /*baseline ignored*/0,
522 HPos.CENTER, VPos.CENTER);
523 }
524 }
525
526
527
528 /***************************************************************************
529 * *
530 * Private implementation *
531 * *
532 **************************************************************************/
533
534 private void initialize() {
535 if (getSkinnable().getOrientation() == Orientation.VERTICAL) {
536 box = new VBox();
537 } else {
538 box = new HBox();
539 }
540 box.getStyleClass().add("container");
541 box.getChildren().addAll(getSkinnable().getItems());
542 overflowMenu = new ToolBarOverflowMenu(overflowMenuItems);
543 overflowMenu.setVisible(false);
544 overflowMenu.setManaged(false);
545
546 getChildren().clear();
547 getChildren().add(box);
548 getChildren().add(overflowMenu);
549
550 previousWidth = 0;
551 previousHeight = 0;
552 savedPrefWidth = 0;
553 savedPrefHeight = 0;
554 needsUpdate = true;
555 getSkinnable().requestLayout();
556 }
557
558 private void addNodesToToolBar() {
559 final ToolBar toolbar = getSkinnable();
560 double length = 0;
561 if (getSkinnable().getOrientation() == Orientation.VERTICAL) {
562 length = snapSize(toolbar.getHeight()) - snappedTopInset() - snappedBottomInset() + getSpacing();
563 } else {
564 length = snapSize(toolbar.getWidth()) - snappedLeftInset() - snappedRightInset() + getSpacing();
565 }
566
567 // Is there overflow ?
568 double x = 0;
569 boolean hasOverflow = false;
570 for (Node node : getSkinnable().getItems()) {
571 if (!node.isManaged()) continue;
572
573 if (getSkinnable().getOrientation() == Orientation.VERTICAL) {
574 x += snapSize(node.prefHeight(-1)) + getSpacing();
575 } else {
576 x += snapSize(node.prefWidth(-1)) + getSpacing();
577 }
578 if (x > length) {
579 hasOverflow = true;
580 break;
581 }
582 }
583
584 if (hasOverflow) {
585 if (getSkinnable().getOrientation() == Orientation.VERTICAL) {
586 length -= snapSize(overflowMenu.prefHeight(-1));
587 } else {
588 length -= snapSize(overflowMenu.prefWidth(-1));
589 }
590 length -= getSpacing();
591 }
592
593 // Determine which node goes to the toolbar and which goes to the overflow.
594 x = 0;
595 overflowMenuItems.clear();
596 box.getChildren().clear();
597 for (Node node : getSkinnable().getItems()) {
598 node.getStyleClass().remove("menu-item");
599 node.getStyleClass().remove("custom-menu-item");
600
601 if (node.isManaged()) {
602 if (getSkinnable().getOrientation() == Orientation.VERTICAL) {
603 x += snapSize(node.prefHeight(-1)) + getSpacing();
604 } else {
605 x += snapSize(node.prefWidth(-1)) + getSpacing();
606 }
607 }
608
609 if (x <= length) {
610 box.getChildren().add(node);
611 } else {
612 if (node.isFocused()) {
613 if (!box.getChildren().isEmpty()) {
614 Node last = engine.selectLast();
615 if (last != null) {
616 last.requestFocus();
617 }
618 } else {
619 overflowMenu.requestFocus();
620 }
621 }
622 if (node instanceof Separator) {
623 overflowMenuItems.add(new SeparatorMenuItem());
624 } else {
625 CustomMenuItem customMenuItem = new CustomMenuItem(node);
626
627 // RT-36455:
628 // We can't be totally certain of all nodes, but for the
629 // most common nodes we can check to see whether we should
630 // hide the menu when the node is clicked on. The common
631 // case is for TextField or Slider.
632 // This list won't be exhaustive (there is no point really
633 // considering the ListView case), but it should try to
634 // include most common control types that find themselves
635 // placed in menus.
636 final String nodeType = node.getTypeSelector();
637 switch (nodeType) {
638 case "Button":
639 case "Hyperlink":
640 case "Label":
641 customMenuItem.setHideOnClick(true);
642 break;
643 case "CheckBox":
644 case "ChoiceBox":
645 case "ColorPicker":
646 case "ComboBox":
647 case "DatePicker":
648 case "MenuButton":
649 case "PasswordField":
650 case "RadioButton":
651 case "ScrollBar":
652 case "ScrollPane":
653 case "Slider":
654 case "SplitMenuButton":
655 case "SplitPane":
656 case "TextArea":
657 case "TextField":
658 case "ToggleButton":
659 case "ToolBar":
660 default:
661 customMenuItem.setHideOnClick(false);
662 break;
663 }
664
665 overflowMenuItems.add(customMenuItem);
666 }
667 }
668 }
669
670 // Check if we overflowed.
671 overflow = overflowMenuItems.size() > 0;
672 if (!overflow && overflowMenu.isFocused()) {
673 Node last = engine.selectLast();
674 if (last != null) {
675 last.requestFocus();
676 }
677 }
678 overflowMenu.setVisible(overflow);
679 overflowMenu.setManaged(overflow);
680 }
681
682
683
684 /***************************************************************************
685 * *
686 * Support classes *
687 * *
688 **************************************************************************/
689
690 class ToolBarOverflowMenu extends StackPane {
691 private StackPane downArrow;
692 private ContextMenu popup;
693 private ObservableList<MenuItem> menuItems;
694
695 public ToolBarOverflowMenu(ObservableList<MenuItem> items) {
696 getStyleClass().setAll("tool-bar-overflow-button");
697 setAccessibleRole(AccessibleRole.BUTTON);
698 setAccessibleText(getString("Accessibility.title.ToolBar.OverflowButton"));
699 setFocusTraversable(true);
700 this.menuItems = items;
701 downArrow = new StackPane();
702 downArrow.getStyleClass().setAll("arrow");
703 downArrow.setOnMousePressed(me -> {
704 fire();
705 });
706
707 setOnKeyPressed(ke -> {
708 if (KeyCode.SPACE.equals(ke.getCode())) {
709 if (!popup.isShowing()) {
710 popup.getItems().clear();
711 popup.getItems().addAll(menuItems);
712 popup.show(downArrow, Side.BOTTOM, 0, 0);
713 }
714 ke.consume();
715 } else if (KeyCode.ESCAPE.equals(ke.getCode())) {
716 if (popup.isShowing()) {
717 popup.hide();
718 }
719 ke.consume();
720 } else if (KeyCode.ENTER.equals(ke.getCode())) {
721 fire();
722 ke.consume();
723 }
724 });
725
726 visibleProperty().addListener((observable, oldValue, newValue) -> {
727 if (newValue) {
728 if (box.getChildren().isEmpty()) {
729 setFocusTraversable(true);
730 }
731 }
732 });
733 popup = new ContextMenu();
734 setVisible(false);
735 setManaged(false);
736 getChildren().add(downArrow);
737 }
738
739 private void fire() {
740 if (popup.isShowing()) {
741 popup.hide();
742 } else {
743 popup.getItems().clear();
744 popup.getItems().addAll(menuItems);
745 popup.show(downArrow, Side.BOTTOM, 0, 0);
746 }
747 }
748
749 @Override protected double computePrefWidth(double height) {
750 return snappedLeftInset() + snappedRightInset();
751 }
752
753 @Override protected double computePrefHeight(double width) {
754 return snappedTopInset() + snappedBottomInset();
755 }
756
757 @Override protected void layoutChildren() {
758 double w = snapSize(downArrow.prefWidth(-1));
759 double h = snapSize(downArrow.prefHeight(-1));
760 double x = (snapSize(getWidth()) - w)/2;
761 double y = (snapSize(getHeight()) - h)/2;
762
763 // TODO need to provide support for when the toolbar is on the right
764 // or bottom
765 if (getSkinnable().getOrientation() == Orientation.VERTICAL) {
766 downArrow.setRotate(0);
767 }
768
769 downArrow.resize(w, h);
770 positionInArea(downArrow, x, y, w, h,
771 /*baseline ignored*/0, HPos.CENTER, VPos.CENTER);
772 }
773
774 @Override
775 public void executeAccessibleAction(AccessibleAction action, Object... parameters) {
776 switch (action) {
777 case FIRE: fire(); break;
778 default: super.executeAccessibleAction(action); break;
779 }
780 }
781 }
782
783 /***************************************************************************
784 * *
785 * Stylesheet Handling *
786 * *
787 **************************************************************************/
788
789 /*
790 * Super-lazy instantiation pattern from Bill Pugh.
791 */
792 private static class StyleableProperties {
793 private static final CssMetaData<ToolBar,Number> SPACING =
794 new CssMetaData<ToolBar,Number>("-fx-spacing",
795 SizeConverter.getInstance(), 0.0) {
796
797 @Override
798 public boolean isSettable(ToolBar n) {
799 final ToolBarSkin skin = (ToolBarSkin) n.getSkin();
800 return skin.spacing == null || !skin.spacing.isBound();
801 }
802
803 @Override
804 public StyleableProperty<Number> getStyleableProperty(ToolBar n) {
805 final ToolBarSkin skin = (ToolBarSkin) n.getSkin();
806 return (StyleableProperty<Number>)(WritableValue<Number>)skin.spacingProperty();
807 }
808 };
809
810 private static final CssMetaData<ToolBar,Pos>ALIGNMENT =
811 new CssMetaData<ToolBar,Pos>("-fx-alignment",
812 new EnumConverter<Pos>(Pos.class), Pos.TOP_LEFT ) {
813
814 @Override
815 public boolean isSettable(ToolBar n) {
816 final ToolBarSkin skin = (ToolBarSkin) n.getSkin();
817 return skin.boxAlignment == null || !skin.boxAlignment.isBound();
818 }
819
820 @Override
821 public StyleableProperty<Pos> getStyleableProperty(ToolBar n) {
822 final ToolBarSkin skin = (ToolBarSkin) n.getSkin();
823 return (StyleableProperty<Pos>)(WritableValue<Pos>)skin.boxAlignmentProperty();
824 }
825 };
826
827
828 private static final List<CssMetaData<? extends Styleable, ?>> STYLEABLES;
829 static {
830
831 final List<CssMetaData<? extends Styleable, ?>> styleables =
832 new ArrayList<CssMetaData<? extends Styleable, ?>>(SkinBase.getClassCssMetaData());
833
834 // StackPane also has -fx-alignment. Replace it with
835 // ToolBarSkin's.
836 // TODO: Really should be able to reference StackPane.StyleableProperties.ALIGNMENT
837 final String alignmentProperty = ALIGNMENT.getProperty();
838 for (int n=0, nMax=styleables.size(); n<nMax; n++) {
839 final CssMetaData<?,?> prop = styleables.get(n);
840 if (alignmentProperty.equals(prop.getProperty())) styleables.remove(prop);
841 }
842
843 styleables.add(SPACING);
844 styleables.add(ALIGNMENT);
845 STYLEABLES = Collections.unmodifiableList(styleables);
846
847 }
848 }
849
850 /**
851 * Returns the CssMetaData associated with this class, which may include the
852 * CssMetaData of its super classes.
853 */
854 public static List<CssMetaData<? extends Styleable, ?>> getClassCssMetaData() {
855 return StyleableProperties.STYLEABLES;
856 }
857
858 /**
859 * {@inheritDoc}
860 */
861 @Override
862 public List<CssMetaData<? extends Styleable, ?>> getCssMetaData() {
863 return getClassCssMetaData();
864 }
865
866 @Override
867 protected Object queryAccessibleAttribute(AccessibleAttribute attribute, Object... parameters) {
868 switch (attribute) {
869 case OVERFLOW_BUTTON: return overflowMenu;
870 default: return super.queryAccessibleAttribute(attribute, parameters);
871 }
872 }
873
874 @Override
875 protected void executeAccessibleAction(AccessibleAction action, Object... parameters) {
876 switch (action) {
877 case SHOW_MENU:
878 overflowMenu.fire();
879 break;
880 default: super.executeAccessibleAction(action, parameters);
881 }
882 }
883 }