/*
* Copyright (c) 2008, 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 javax.swing.colorchooser;
import java.awt.Color;
import java.awt.ContainerOrderFocusTraversalPolicy;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ButtonGroup;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.border.EmptyBorder;
final class ColorPanel extends JPanel implements ActionListener {
private final SlidingSpinner[] spinners = new SlidingSpinner[5];
private final float[] values = new float[this.spinners.length];
private final ColorModel model;
private Color color;
private int x = 1;
private int y = 2;
private int z;
ColorPanel(ColorModel model) {
super(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.gridx = 1;
ButtonGroup group = new ButtonGroup();
EmptyBorder border = null;
for (int i = 0; i < this.spinners.length; i++) {
if (i < 3) {
JRadioButton button = new JRadioButton();
if (i == 0) {
Insets insets = button.getInsets();
insets.left = button.getPreferredSize().width;
border = new EmptyBorder(insets);
button.setSelected(true);
gbc.insets.top = 5;
}
add(button, gbc);
group.add(button);
button.setActionCommand(Integer.toString(i));
button.addActionListener(this);
this.spinners[i] = new SlidingSpinner(this, button);
}
else {
JLabel label = new JLabel();
add(label, gbc);
label.setBorder(border);
label.setFocusable(false);
this.spinners[i] = new SlidingSpinner(this, label);
}
}
gbc.gridx = 2;
gbc.weightx = 1.0;
gbc.insets.top = 0;
gbc.insets.left = 5;
for (SlidingSpinner spinner : this.spinners) {
add(spinner.getSlider(), gbc);
gbc.insets.top = 5;
}
gbc.gridx = 3;
gbc.weightx = 0.0;
gbc.insets.top = 0;
for (SlidingSpinner spinner : this.spinners) {
add(spinner.getSpinner(), gbc);
gbc.insets.top = 5;
}
setFocusTraversalPolicy(new ContainerOrderFocusTraversalPolicy());
setFocusTraversalPolicyProvider(true);
setFocusable(false);
this.model = model;
}
public void actionPerformed(ActionEvent event) {
try {
this.z = Integer.parseInt(event.getActionCommand());
this.y = (this.z != 2) ? 2 : 1;
this.x = (this.z != 0) ? 0 : 1;
getParent().repaint();
}
catch (NumberFormatException exception) {
}
}
void buildPanel() {
int count = this.model.getCount();
this.spinners[4].setVisible(count > 4);
for (int i = 0; i < count; i++) {
Object object = this.spinners[i].getLabel();
if (object instanceof JRadioButton) {
JRadioButton button = (JRadioButton) object;
button.setText(this.model.getLabel(this, i));
}
else if (object instanceof JLabel) {
JLabel label = (JLabel) object;
label.setText(this.model.getLabel(this, i));
}
this.spinners[i].setRange(this.model.getMinimum(i), this.model.getMaximum(i));
this.spinners[i].setValue(this.values[i]);
}
}
void colorChanged() {
this.color = new Color(getColor(0), true);
Object parent = getParent();
if (parent instanceof ColorChooserPanel) {
ColorChooserPanel chooser = (ColorChooserPanel) parent;
chooser.setSelectedColor(this.color);
chooser.repaint();
}
}
float getValueX() {
return this.spinners[this.x].getValue();
}
float getValueY() {
return 1.0f - this.spinners[this.y].getValue();
}
float getValueZ() {
return 1.0f - this.spinners[this.z].getValue();
}
void setValue(float z) {
this.spinners[this.z].setValue(1.0f - z);
colorChanged();
}
void setValue(float x, float y) {
this.spinners[this.x].setValue(x);
this.spinners[this.y].setValue(1.0f - y);
colorChanged();
}
int getColor(float z) {
setDefaultValue(this.x);
setDefaultValue(this.y);
this.values[this.z] = 1.0f - z;
return getColor(3);
}
int getColor(float x, float y) {
this.values[this.x] = x;
this.values[this.y] = 1.0f - y;
setValue(this.z);
return getColor(3);
}
void setColor(Color color) {
if (!color.equals(this.color)) {
this.color = color;
this.model.setColor(color.getRGB(), this.values);
for (int i = 0; i < this.model.getCount(); i++) {
this.spinners[i].setValue(this.values[i]);
}
}
}
private int getColor(int index) {
while (index < this.model.getCount()) {
setValue(index++);
}
return this.model.getColor(this.values);
}
private void setValue(int index) {
this.values[index] = this.spinners[index].getValue();
}
private void setDefaultValue(int index) {
float value = this.model.getDefault(index);
this.values[index] = (value < 0.0f)
? this.spinners[index].getValue()
: value;
}
}