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/*
* Copyright (c) 2010, 2022, 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
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*/
package javafx.scene.control.skin;
import com.sun.javafx.scene.control.behavior.BehaviorBase;
import com.sun.javafx.scene.control.behavior.ToggleButtonBehavior;
import com.sun.javafx.scene.control.skin.Utils;
import javafx.scene.control.Control;
import javafx.scene.control.RadioButton;
import javafx.scene.layout.StackPane;
/**
* Default skin implementation for the {@link RadioButton} control.
*
* @see RadioButton
* @since 9
*/
public class RadioButtonSkin extends LabeledSkinBase {
/* *************************************************************************
* *
* Private fields *
* *
**************************************************************************/
/** The radio contains the "dot", which is usually a circle */
private StackPane radio;
private final BehaviorBase behavior;
/* *************************************************************************
* *
* Constructors *
* *
**************************************************************************/
/**
* Creates a new RadioButtonSkin 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 RadioButtonSkin(RadioButton control) {
super(control);
// install default input map for the RadioButton control
behavior = new ToggleButtonBehavior<>(control);
// control.setInputMap(behavior.getInputMap());
radio = createRadio();
updateChildren();
}
/* *************************************************************************
* *
* Public API *
* *
**************************************************************************/
/** {@inheritDoc} */
@Override public void dispose() {
super.dispose();
if (behavior != null) {
behavior.dispose();
}
}
/** {@inheritDoc} */
@Override protected void updateChildren() {
super.updateChildren();
if (radio != null) {
getChildren().add(radio);
}
}
/** {@inheritDoc} */
@Override protected double computeMinWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
return super.computeMinWidth(height, topInset, rightInset, bottomInset, leftInset) + snapSizeX(radio.minWidth(-1));
}
/** {@inheritDoc} */
@Override protected double computeMinHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
return Math.max(snapSizeY(super.computeMinHeight(width - radio.minWidth(-1), topInset, rightInset, bottomInset, leftInset)),
topInset + radio.minHeight(-1) + bottomInset);
}
/** {@inheritDoc} */
@Override protected double computePrefWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
return super.computePrefWidth(height, topInset, rightInset, bottomInset, leftInset) + snapSizeX(radio.prefWidth(-1));
}
/** {@inheritDoc} */
@Override protected double computePrefHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
return Math.max(snapSizeY(super.computePrefHeight(width - radio.prefWidth(-1), topInset, rightInset, bottomInset, leftInset)),
topInset + radio.prefHeight(-1) + bottomInset);
}
/** {@inheritDoc} */
@Override protected void layoutChildren(final double x, final double y,
final double w, final double h) {
final RadioButton radioButton = getSkinnable();
final double radioWidth = radio.prefWidth(-1);
final double radioHeight = radio.prefHeight(-1);
final double computeWidth = Math.max(radioButton.prefWidth(-1),radioButton.minWidth(-1));
final double labelWidth = Math.min(computeWidth - radioWidth, w - snapSizeX(radioWidth));
final double labelHeight = Math.min(radioButton.prefHeight(labelWidth), h);
final double maxHeight = Math.max(radioHeight, labelHeight);
final double xOffset = Utils.computeXOffset(w, labelWidth + radioWidth, radioButton.getAlignment().getHpos()) + x;
final double yOffset = Utils.computeYOffset(h, maxHeight, radioButton.getAlignment().getVpos()) + y;
layoutLabelInArea(xOffset + radioWidth, yOffset, labelWidth, maxHeight, radioButton.getAlignment());
radio.resize(snapSizeX(radioWidth), snapSizeY(radioHeight));
positionInArea(radio, xOffset, yOffset, radioWidth, maxHeight, 0, radioButton.getAlignment().getHpos(), radioButton.getAlignment().getVpos());
}
/* *************************************************************************
* *
* Private implementation *
* *
**************************************************************************/
private static StackPane createRadio() {
StackPane radio = new StackPane();
radio.getStyleClass().setAll("radio");
radio.setSnapToPixel(false);
StackPane region = new StackPane();
region.getStyleClass().setAll("dot");
radio.getChildren().clear();
radio.getChildren().addAll(region);
return radio;
}
}
