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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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*
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package javafx.scene.control.skin;
import com.sun.javafx.scene.control.ContextMenuContent;
import javafx.scene.AccessibleAttribute;
import javafx.scene.control.Control;
import javafx.scene.control.MenuButton;
import com.sun.javafx.scene.control.behavior.MenuButtonBehavior;
Default skin implementation for the MenuButton control. See Also: Since: 9
/**
* Default skin implementation for the {@link MenuButton} control.
*
* @see MenuButton
* @since 9
*/
public class MenuButtonSkin extends MenuButtonSkinBase<MenuButton> {
*
Static fields *
*
/***************************************************************************
* *
* Static fields *
* *
**************************************************************************/
static final String AUTOHIDE = "autoHide";
*
Private fields *
*
/***************************************************************************
* *
* Private fields *
* *
**************************************************************************/
private final MenuButtonBehavior behavior;
/***************************************************************************
* *
* Constructors *
* *
**************************************************************************/
Creates a new MenuButtonSkin instance, installing the necessary child nodes into the Control children list, as well as the necessary input mappings for handling key, mouse, etc events. Params: - control – The control that this skin should be installed onto.
/**
* Creates a new MenuButtonSkin instance, installing the necessary child
* nodes into the Control {@link Control#getChildren() children} list, as
* well as the necessary input mappings for handling key, mouse, etc events.
*
* @param control The control that this skin should be installed onto.
*/
public MenuButtonSkin(final MenuButton control) {
super(control);
// install default input map for the MenuButton-like controls
this.behavior = new MenuButtonBehavior(control);
// control.setInputMap(behavior.getInputMap());
// MenuButton's showing does not get updated when autoHide happens,
// as that hide happens under the covers. So we add to the menuButton's
// properties map to which the MenuButton can react and update accordingly..
popup.setOnAutoHide(e -> {
MenuButton menuButton = getSkinnable();
// work around for the fact autohide happens twice
// remove this check when that is fixed.
if (!menuButton.getProperties().containsKey(AUTOHIDE)) {
menuButton.getProperties().put(AUTOHIDE, Boolean.TRUE);
}
});
// request focus on content when the popup is shown
popup.setOnShown(event -> {
if (requestFocusOnFirstMenuItem) {
requestFocusOnFirstMenuItem();
requestFocusOnFirstMenuItem = false;
} else {
ContextMenuContent cmContent = (ContextMenuContent) popup.getSkin().getNode();
if (cmContent != null) {
cmContent.requestFocus();
}
}
});
if (control.getOnAction() == null) {
control.setOnAction(e -> control.show());
}
label.setLabelFor(control);
}
/***************************************************************************
* *
* Public API *
* *
**************************************************************************/
{@inheritDoc} /** {@inheritDoc} */
@Override public void dispose() {
super.dispose();
if (behavior != null) {
behavior.dispose();
}
}
*
Private implementation *
*
/***************************************************************************
* *
* Private implementation *
* *
**************************************************************************/
@Override MenuButtonBehavior getBehavior() {
return behavior;
}
/***************************************************************************
* *
* Accessibility handling *
* *
**************************************************************************/
{@inheritDoc} /** {@inheritDoc} */
@Override
public Object queryAccessibleAttribute(AccessibleAttribute attribute, Object... parameters) {
switch (attribute) {
case MNEMONIC: return label.queryAccessibleAttribute(AccessibleAttribute.MNEMONIC);
default: return super.queryAccessibleAttribute(attribute, parameters);
}
}
}