org.swtchart.ext/src/org/swtchart/ext/internal/properties/PropertiesResources.java

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package org.swtchart.ext.internal.properties;

import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;

public class PropertiesResources {

    private Map<String, Font> fonts;

    private Map<String, Color> colors;

    public PropertiesResources() {
        fonts = new HashMap<String, Font>();
        colors = new HashMap<String, Color>();
    }
    
    public Font getFont(String key) {
        return fonts.get(key);
    }

    public Color getColor(String key) {
        return colors.get(key);
    }

    public void put(String key, Font font) {
        Font oldFont = fonts.get(key);
        if (oldFont != null) {
            oldFont.dispose();
        }
        fonts.put(key, font);
    }

    public void put(String key, Color color) {
        Color oldColor = colors.get(key);
        if (oldColor != null) {
            oldColor.dispose();
        }
        colors.put(key, color);
    }

    public void removeFont(String key) {
        Font font = fonts.get(key);
        if (font != null) {
            fonts.remove(key);
            font.dispose();
        }
    }

    public void removeColor(String key) {
        Color color = colors.get(key);
        if (color != null) {
            colors.remove(key);
            color.dispose();
        }
    }

    public void dispose() {
        for (Entry<String, Font> entry : fonts.entrySet()) {
            entry.getValue().dispose();
        }
        for (Entry<String, Color> entry : colors.entrySet()) {
            entry.getValue().dispose();
        }
    }
}

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