org.apache.pivot.wtk.skin.terra.TerraRadioButtonSkin Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.pivot.wtk.skin.terra;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.RadialGradientPaint;
import java.awt.RenderingHints;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
import org.apache.pivot.collections.Dictionary;
import org.apache.pivot.wtk.Button;
import org.apache.pivot.wtk.Dimensions;
import org.apache.pivot.wtk.GraphicsUtilities;
import org.apache.pivot.wtk.RadioButton;
import org.apache.pivot.wtk.Theme;
import org.apache.pivot.wtk.skin.RadioButtonSkin;
/**
* Terra radio button skin.
*
* TODO Button alignment style (vertical only).
*/
public class TerraRadioButtonSkin extends RadioButtonSkin {
private Font font;
private Color color;
private Color disabledColor;
private int spacing;
private Color buttonColor;
private Color buttonBorderColor;
private Color buttonSelectionColor;
private Color disabledButtonColor;
private Color disabledButtonBorderColor;
private Color disabledButtonSelectionColor;
private static final int BUTTON_DIAMETER = 14;
private static final int BUTTON_SELECTION_DIAMETER = 6;
public TerraRadioButtonSkin() {
TerraTheme theme = (TerraTheme)Theme.getTheme();
font = theme.getFont();
color = theme.getColor(1);
disabledColor = theme.getColor(7);
spacing = 3;
buttonColor = theme.getColor(4);
buttonBorderColor = theme.getColor(7);
buttonSelectionColor = theme.getColor(13);
disabledButtonColor = theme.getColor(3);
disabledButtonBorderColor = theme.getColor(7);
disabledButtonSelectionColor = theme.getColor(7);
}
@Override
public int getPreferredWidth(int height) {
RadioButton radioButton = (RadioButton)getComponent();
Button.DataRenderer dataRenderer = radioButton.getDataRenderer();
int preferredWidth = BUTTON_DIAMETER;
Object buttonData = radioButton.getButtonData();
if (buttonData != null) {
dataRenderer.render(buttonData, radioButton, false);
preferredWidth += dataRenderer.getPreferredWidth(height)
+ spacing * 2;
}
return preferredWidth;
}
@Override
public int getPreferredHeight(int width) {
RadioButton radioButton = (RadioButton)getComponent();
Button.DataRenderer dataRenderer = radioButton.getDataRenderer();
int preferredHeight = BUTTON_DIAMETER;
Object buttonData = radioButton.getButtonData();
if (buttonData != null) {
if (width != -1) {
width = Math.max(width - (BUTTON_DIAMETER + spacing), 0);
}
dataRenderer.render(buttonData, radioButton, false);
preferredHeight = Math.max(preferredHeight,
dataRenderer.getPreferredHeight(width));
}
return preferredHeight;
}
@Override
public Dimensions getPreferredSize() {
RadioButton radioButton = (RadioButton)getComponent();
Button.DataRenderer dataRenderer = radioButton.getDataRenderer();
int preferredWidth = BUTTON_DIAMETER;
int preferredHeight = BUTTON_DIAMETER;
Object buttonData = radioButton.getButtonData();
if (buttonData != null) {
dataRenderer.render(buttonData, radioButton, false);
preferredWidth += dataRenderer.getPreferredWidth(-1)
+ spacing * 2;
preferredHeight = Math.max(preferredHeight,
dataRenderer.getPreferredHeight(-1));
}
return new Dimensions(preferredWidth, preferredHeight);
}
@Override
public int getBaseline(int width, int height) {
RadioButton radioButton = (RadioButton)getComponent();
int baseline = -1;
Button.DataRenderer dataRenderer = radioButton.getDataRenderer();
dataRenderer.render(radioButton.getButtonData(), radioButton, false);
int clientWidth = Math.max(width - (BUTTON_DIAMETER + spacing), 0);
baseline = dataRenderer.getBaseline(clientWidth, height);
return baseline;
}
@Override
public void paint(Graphics2D graphics) {
RadioButton radioButton = (RadioButton)getComponent();
int width = getWidth();
int height = getHeight();
// Paint the button
int offset = (height - BUTTON_DIAMETER) / 2;
graphics.translate(0, offset);
paintButton(graphics, radioButton.isEnabled(), radioButton.isSelected());
graphics.translate(0, -offset);
// Paint the content
Button.DataRenderer dataRenderer = radioButton.getDataRenderer();
Object buttonData = radioButton.getButtonData();
dataRenderer.render(buttonData, radioButton, false);
dataRenderer.setSize(Math.max(width - (BUTTON_DIAMETER + spacing * 2), 0), height);
Graphics2D contentGraphics = (Graphics2D)graphics.create();
contentGraphics.translate(BUTTON_DIAMETER + spacing, 0);
contentGraphics.clipRect(0, 0, dataRenderer.getWidth(), dataRenderer.getHeight());
dataRenderer.paint(contentGraphics);
contentGraphics.dispose();
// Paint the focus state
if (radioButton.isFocused()) {
if (buttonData == null) {
Color focusColor = new Color(buttonSelectionColor.getRed(),
buttonSelectionColor.getGreen(),
buttonSelectionColor.getBlue(), 0x44);
graphics.setColor(focusColor);
graphics.fillOval(0, 0, BUTTON_DIAMETER - 1, BUTTON_DIAMETER - 1);
} else {
BasicStroke dashStroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND,
BasicStroke.JOIN_ROUND, 1.0f, new float[] {0.0f, 2.0f}, 0.0f);
graphics.setStroke(dashStroke);
graphics.setColor(buttonBorderColor);
graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
Rectangle2D focusRectangle = new Rectangle2D.Double(BUTTON_DIAMETER + 1, 0.5,
dataRenderer.getWidth() + spacing * 2 - 2,
dataRenderer.getHeight() - 1);
graphics.draw(focusRectangle);
}
}
}
private void paintButton(Graphics2D graphics, boolean enabled, boolean selected) {
Paint buttonPaint;
Color buttonBorderColor = null;
Color buttonSelectionColor = null;
Ellipse2D buttonBackgroundCircle = new Ellipse2D.Double(1, 1,
BUTTON_DIAMETER - 3, BUTTON_DIAMETER - 3);
if (enabled) {
buttonPaint = new RadialGradientPaint((float)buttonBackgroundCircle.getCenterX(),
(float)buttonBackgroundCircle.getCenterY(),
(float)buttonBackgroundCircle.getWidth() * 2 / 3,
new float[] {0f, 1f}, new Color[] {TerraTheme.darken(buttonColor), buttonColor});
buttonBorderColor = this.buttonBorderColor;
buttonSelectionColor = this.buttonSelectionColor;
}
else {
buttonPaint = disabledButtonColor;
buttonBorderColor = disabledButtonBorderColor;
buttonSelectionColor = disabledButtonSelectionColor;
}
graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
// Paint the border
graphics.setColor(buttonBorderColor);
graphics.fillOval(0, 0, BUTTON_DIAMETER - 1, BUTTON_DIAMETER - 1);
// Paint the background
graphics.setPaint(buttonPaint);
graphics.fill(buttonBackgroundCircle);
// Paint the selection
if (selected) {
Ellipse2D buttonSelectionCircle = new Ellipse2D.Double((BUTTON_DIAMETER
- (BUTTON_SELECTION_DIAMETER - 1)) / 2,
(BUTTON_DIAMETER - (BUTTON_SELECTION_DIAMETER - 1)) / 2,
BUTTON_SELECTION_DIAMETER - 1, BUTTON_SELECTION_DIAMETER - 1);
graphics.setColor(buttonSelectionColor);
graphics.fill(buttonSelectionCircle);
}
graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_OFF);
}
public Font getFont() {
return font;
}
public void setFont(Font font) {
if (font == null) {
throw new IllegalArgumentException("font is null.");
}
this.font = font;
invalidateComponent();
}
public final void setFont(String font) {
if (font == null) {
throw new IllegalArgumentException("font is null.");
}
setFont(decodeFont(font));
}
public final void setFont(Dictionary font) {
if (font == null) {
throw new IllegalArgumentException("font is null.");
}
setFont(Theme.deriveFont(font));
}
public Color getColor() {
return color;
}
public void setColor(Color color) {
if (color == null) {
throw new IllegalArgumentException("color is null.");
}
this.color = color;
repaintComponent();
}
public final void setColor(String color) {
if (color == null) {
throw new IllegalArgumentException("color is null.");
}
setColor(GraphicsUtilities.decodeColor(color));
}
public Color getDisabledColor() {
return disabledColor;
}
public void setDisabledColor(Color disabledColor) {
if (disabledColor == null) {
throw new IllegalArgumentException("disabledColor is null.");
}
this.disabledColor = disabledColor;
repaintComponent();
}
public final void setDisabledColor(String disabledColor) {
if (disabledColor == null) {
throw new IllegalArgumentException("disabledColor is null.");
}
setDisabledColor(GraphicsUtilities.decodeColor(disabledColor));
}
public int getSpacing() {
return spacing;
}
public void setSpacing(int spacing) {
if (spacing < 0) {
throw new IllegalArgumentException("spacing is negative.");
}
this.spacing = spacing;
invalidateComponent();
}
public final void setSpacing(Number spacing) {
if (spacing == null) {
throw new IllegalArgumentException("spacing is null.");
}
setSpacing(spacing.intValue());
}
}