ColorManager.java

/*****************************************************************************
 * This file is part of Rinzo
 * 
 * Author: Claudio Cancinos WWW: https://sourceforge.net/projects/editorxml Copyright (C): 2008, Claudio Cancinos
 * 
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any
 * later version.
 * 
 * This program 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 for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License along with this program; If not, see
 * <http://www.gnu.org/licenses/>
 ****************************************************************************/
package com.amalto.workbench.widgets.xmlviewer;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;

import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;

public class ColorManager {

    protected Map<Serializable, Color> colorTable;

    protected Map<String, Boolean> boldTable;

    private ColorManager() {
        colorTable = new HashMap<Serializable, Color>(10);
        boldTable = new HashMap<String, Boolean>(10);
    }

    private static ColorManager instance = new ColorManager();

    public static ColorManager getInstance() {
        return instance;
    }

    public void dispose() {
        for (Color color : this.colorTable.values()) {
            color.dispose();
        }
    }

    public Color getColor(RGB rgb) {
        Color color = colorTable.get(rgb);
        if (color == null) {
            color = new Color(Display.getCurrent(), rgb);
            colorTable.put(rgb, color);
        }
        return color;
    }

    // public Color getColor(String colorName) {
    // Color color = colorTable.get(colorName);
    // if (color == null) {
    // color = new Color(Display.getCurrent(), this.createRGB(colorName));
    // colorTable.put(colorName, color);
    // }
    // return color;
    // }

    // private RGB createRGB(String colorName) {
    // return PreferenceConverter.getColor(XMLEditorPlugin.getDefault().getPreferenceStore(), colorName);
    // }
    //
    // public int isBold(String tag) {
    // Boolean bold = boldTable.get(tag);
    // if (bold == null) {
    // bold = Boolean.valueOf(XMLEditorPlugin.getDefault().getPreferenceStore().getBoolean(tag + "#bold"));
    // boldTable.put(tag, bold);
    // }
    // return bold.booleanValue() ? 1 : 0;
    // }

}