/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.css2.widget;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.jst.pagedesigner.css2.ICSSStyle;
import org.eclipse.jst.pagedesigner.css2.provider.DimensionInfo;
/**
* @author mengbo
* @version 1.5
*/
public class RadioWidgetProvider extends AbstractWidgetProvider {
private boolean isChecked;
/**
* @param style
*/
public RadioWidgetProvider(ICSSStyle style) {
super(style);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.provider.ICSSWidgetProvider#getPreferredDimension(int,
* int)
*/
public DimensionInfo getPreferredDimension(int width, int height) {
if (width <= 0) {
width = getDefaultWidth();
}
if (height <= 0) {
height = getDefaultWidth();
}
return new DimensionInfo(width, height, height * 4 / 5);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.provider.ICSSWidgetProvider#paintFigure(org.eclipse.draw2d.Graphics,
* org.eclipse.draw2d.geometry.Rectangle)
*/
public void paintFigure(Graphics g, Rectangle rect) {
int centerX = rect.x + rect.width / 2;
int centerY = rect.y + rect.height / 2;
// we always draw it as a circle.
int width = Math.min(rect.width, rect.height);
int cycleWidth = width * 3 / 5;
// FIXME: when the size of the radio is big, the line width may need
// calculate to be bigger.
int lineWidth = 2;
g.setLineWidth(lineWidth);
g.setForegroundColor(ColorConstants.buttonDarker);
g.drawArc(centerX - cycleWidth / 2, centerY - cycleWidth + 1,
cycleWidth, cycleWidth, 45, 180);
g.setForegroundColor(ColorConstants.button);
g.drawArc(centerX - cycleWidth / 2, centerY - cycleWidth + 1,
cycleWidth, cycleWidth, 225, 180);
// since the two cycle may not overlap very well, some space between
// them will be displayed.
// so we make the bigger cycle to be a little thicker.
cycleWidth += (2 * lineWidth - 2);
lineWidth += 1;
if (cycleWidth < width) {
g.setForegroundColor(ColorConstants.buttonDarkest);
g.drawArc(centerX - cycleWidth / 2, centerY - cycleWidth + 1,
cycleWidth, cycleWidth, 45, 180);
}
if (isChecked()) {
g.setBackgroundColor(ColorConstants.black);
g.fillArc(centerX - 1, centerY - cycleWidth / 2 - 1, 4, 4, 0, 360);
}
}
/**
* @return the default width
*/
public final int getDefaultWidth() {
// FIXME: don't know the how to define the default width yet.
return 15;
}
/**
* @return Returns the checked.
*/
public boolean isChecked() {
return isChecked;
}
/**
* @param checked
*/
public void setChecked(boolean checked) {
this.isChecked = checked;
}
}