/*
* Copyright (c) 2009-2011, EzWare
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.Redistributions
* in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.Neither the name of the
* EzWare nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
package net.sf.openrocket.gui.util;
import java.awt.Color;
import java.awt.Component;
import java.awt.Rectangle;
import java.io.Serializable;
import javax.swing.DefaultListCellRenderer;
import javax.swing.Icon;
import javax.swing.JCheckBox;
import javax.swing.JList;
import javax.swing.ListCellRenderer;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
public class CheckListRenderer extends JCheckBox implements ListCellRenderer, Serializable {
private static final long serialVersionUID = 1L;
private static final Border NO_FOCUS_BORDER = new EmptyBorder(1, 1, 1, 1);
private static final Border SAFE_NO_FOCUS_BORDER = NO_FOCUS_BORDER; // may change in the feature
/**
* Constructs a default renderer object for an item in a list.
*/
public CheckListRenderer() {
super();
setOpaque(true);
setBorder(getNoFocusBorder());
}
private static Border getNoFocusBorder() {
if (System.getSecurityManager() != null) {
return SAFE_NO_FOCUS_BORDER;
} else {
return NO_FOCUS_BORDER;
}
}
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected,
boolean cellHasFocus) {
setComponentOrientation(list.getComponentOrientation());
Color bg = null;
Color fg = null;
JList.DropLocation dropLocation = list.getDropLocation();
if (dropLocation != null && !dropLocation.isInsert() && dropLocation.getIndex() == index) {
bg = UIManager.getColor("List.dropCellBackground");
fg = UIManager.getColor("List.dropCellForeground");
isSelected = true;
}
if (isSelected) {
setBackground(bg == null ? list.getSelectionBackground() : bg);
setForeground(fg == null ? list.getSelectionForeground() : fg);
} else {
setBackground(list.getBackground());
setForeground(list.getForeground());
}
if (value instanceof Icon) {
setIcon((Icon) value);
setText("");
} else {
setIcon(null);
setText(getObjectAsText(value));
}
setSelected(isChecked(list, index));
setEnabled(list.isEnabled());
setFont(list.getFont());
Border border = null;
if (cellHasFocus) {
if (isSelected) {
border = UIManager.getBorder("List.focusSelectedCellHighlightBorder");
}
if (border == null) {
border = UIManager.getBorder("List.focusCellHighlightBorder");
}
} else {
border = getNoFocusBorder();
}
setBorder(border);
return this;
}
protected String getObjectAsText(Object obj) {
return (obj == null) ? "" : obj.toString();
}
private boolean isChecked(JList list, int index) {
if (list.getModel() instanceof DefaultCheckListModel<?>) {
return ((DefaultCheckListModel<?>) list.getModel()).isCheckedIndex(index);
} else {
return false;
}
}
/**
* @return true if the background is opaque and differs from the JList's background; false otherwise
*/
@Override
public boolean isOpaque() {
Color back = getBackground();
Component p = getParent();
if (p != null) {
p = p.getParent();
}
// p should now be the JList.
boolean colorMatch = (back != null) && (p != null) && back.equals(p.getBackground()) && p.isOpaque();
return !colorMatch && super.isOpaque();
}
@Override
protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
if ("text".equals(propertyName) ||
(("font".equals(propertyName) || "foreground".equals(propertyName)) &&
oldValue != newValue && getClientProperty(javax.swing.plaf.basic.BasicHTML.propertyKey) != null)) {
super.firePropertyChange(propertyName, oldValue, newValue);
}
}
// Methods below are overridden for performance reasons.
@Override
public void validate() {
}
@Override
public void invalidate() {
}
@Override
public void repaint() {
}
@Override
public void revalidate() {
}
@Override
public void repaint(long tm, int x, int y, int width, int height) {
}
@Override
public void repaint(Rectangle r) {
}
@Override
public void firePropertyChange(String propertyName, byte oldValue, byte newValue) {
}
@Override
public void firePropertyChange(String propertyName, char oldValue, char newValue) {
}
@Override
public void firePropertyChange(String propertyName, short oldValue, short newValue) {
}
@Override
public void firePropertyChange(String propertyName, int oldValue, int newValue) {
}
@Override
public void firePropertyChange(String propertyName, long oldValue, long newValue) {
}
@Override
public void firePropertyChange(String propertyName, float oldValue, float newValue) {
}
@Override
public void firePropertyChange(String propertyName, double oldValue, double newValue) {
}
@Override
public void firePropertyChange(String propertyName, boolean oldValue, boolean newValue) {
}
@SuppressWarnings("serial")
public static class UIResource extends DefaultListCellRenderer implements javax.swing.plaf.UIResource {
}
}