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This is a backport of OpenJFX 8 to run on Java 7.
The newest version!
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.javafx.scene.control.behavior;
import static javafx.scene.input.KeyCode.ENTER;
import static javafx.scene.input.KeyCode.SPACE;
import static javafx.scene.input.KeyCode.TAB;
import java.util.ArrayList;
import java.util.List;
import javafx.scene.Parent;
import javafx.scene.Node;
import javafx.scene.control.TitledPane;
import javafx.scene.input.MouseEvent;
import com.sun.javafx.scene.control.skin.TitledPaneSkin;
import com.sun.javafx.scene.traversal.Direction;
public class TitledPaneBehavior extends BehaviorBase {
private TitledPane titledPane;
public TitledPaneBehavior(TitledPane pane) {
super(pane);
this.titledPane = pane;
}
/***************************************************************************
* *
* Key event handling *
* *
**************************************************************************/
private static final String PRESS_ACTION = "Press";
protected static final List TITLEDPANE_BINDINGS = new ArrayList();
static {
TITLEDPANE_BINDINGS.add(new KeyBinding(TAB, "TraverseNext"));
TITLEDPANE_BINDINGS.add(new KeyBinding(TAB, "TraversePrevious").shift());
TITLEDPANE_BINDINGS.add(new KeyBinding(ENTER, PRESS_ACTION));
TITLEDPANE_BINDINGS.add(new KeyBinding(SPACE, PRESS_ACTION));
}
@Override protected List createKeyBindings() {
return TITLEDPANE_BINDINGS;
}
@Override protected void callAction(String name) {
if (PRESS_ACTION.equals(name)) {
TitledPane tp = getControl();
if (tp.isCollapsible() && tp.isFocused()) {
tp.setExpanded(!tp.isExpanded());
tp.requestFocus();
}
} else if ("TraverseNext".equals(name)) {
TitledPane tp = getControl();
TitledPaneSkin tps = (TitledPaneSkin)tp.getSkin();
//tps.getContentRegion().getImpl_traversalEngine().getTopLeftFocusableNode();
// Are there any focusable node in the TitlePane content
if (!tp.isExpanded() || tps.getContentRegion().getImpl_traversalEngine().registeredNodes.isEmpty()) {
super.callAction(name);
}
else {
/*
** if we have the focus owner then traverse from it, otherwise
** request focus in the top-left
*/
List children = tp.getChildrenUnmodifiable();
Node focusNode = tp.getScene().getFocusOwner();
if (focusNode != null && (isChildFocused(focusNode, children) == true)) {
focusNode.impl_traverse(Direction.NEXT);
}
else {
focusFirstChild(children);
}
}
} else if ("TraversePrevious".equals(name)) {
TitledPane tp = getControl();
TitledPaneSkin tps = (TitledPaneSkin)tp.getSkin();
// Are there any focusable node in the TitlePane content
if (!tp.isExpanded() || tps.getContentRegion().getImpl_traversalEngine().registeredNodes.isEmpty()) {
super.callAction(name);
}
else {
/*
** if we have the focus owner then traverse from it, otherwise
** request focus in the top-left
*/
List children = tp.getChildrenUnmodifiable();
Node focusNode = tp.getScene().getFocusOwner();
if (focusNode != null && (isChildFocused(focusNode, children) == true)) {
focusNode.impl_traverse(Direction.PREVIOUS);
}
else {
super.callAction(name);
}
}
} else {
super.callAction(name);
}
}
public static boolean isChildFocused(Node focusedNode, List children) {
boolean answer = false;
for(int i = 0; i < children.size(); i++) {
if (children.get(i) == focusedNode) {
answer = true;
break;
}
if (children.get(i) instanceof Parent) {
if (isChildFocused(focusedNode, ((Parent)children.get(i)).getChildrenUnmodifiable())) {
return true;
}
}
}
return answer;
}
public static boolean focusFirstChild(List children) {
for(int i = 0; i < children.size(); i++) {
Node n = children.get(i);
if (n.isFocusTraversable() && n.impl_isTreeVisible() && !n.isDisabled()) {
n.requestFocus();
return true;
}
else if (n instanceof Parent) {
if (focusFirstChild(((Parent)n).getChildrenUnmodifiable())) {
return true;
}
}
}
return false;
}
public static boolean focusLastChild(List children) {
for(int i = children.size()-1 ; i > -1; i--) {
Node n = children.get(i);
if (n.isFocusTraversable() && n.impl_isTreeVisible() && !n.isDisabled()) {
n.requestFocus();
return true;
}
else if (n instanceof Parent) {
if (focusFirstChild(((Parent)n).getChildrenUnmodifiable())) {
return true;
}
}
}
return false;
}
/***************************************************************************
* *
* Mouse event handling *
* *
**************************************************************************/
@Override public void mousePressed(MouseEvent e) {
super.mousePressed(e);
TitledPane tp = getControl();
tp.requestFocus();
}
/**************************************************************************
* State and Functions *
*************************************************************************/
public void expand() {
titledPane.setExpanded(true);
}
public void collapse() {
titledPane.setExpanded(false);
}
public void toggle() {
titledPane.setExpanded(!titledPane.isExpanded());
}
}