/**
* Copyright 2010 JBoss Inc
*
* Licensed 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.drools.eclipse.editors;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
/**
* Drools color manager.
*
* @author <a href="mailto:kris_verlaenen@hotmail.com">Kris Verlaenen</a>
*/
public class ColorManager {
private static final ColorManager INSTANCE = new ColorManager();
public static final RGB SINGLE_LINE_COMMENT = new RGB(128, 128, 0);
public static final RGB KEYWORD = new RGB(150, 0, 0);
public static final RGB STRING = new RGB(0, 128, 0);
protected Map colorTable = new HashMap(10);
void dispose() {
Iterator e = colorTable.values().iterator();
while (e.hasNext()) {
((Color) e.next()).dispose();
}
}
public static ColorManager getInstance() {
return INSTANCE;
}
public Color getColor(RGB rgb) {
Color color = (Color) colorTable.get(rgb);
if (color == null) {
color = new Color(Display.getCurrent(), rgb);
colorTable.put(rgb, color);
}
return color;
}
}