/*
* The MIT License (MIT)
*
* Copyright (c) 2007-2015 Broad Institute
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.broad.igv.ui.color;
import org.broad.igv.Globals;
import java.awt.*;
import java.util.*;
/**
* A lookup table mapping symbols (strings) -> color. Can be initiated with our without a palette. If
* a palette is used colors are selected sequentially from the palette as needed until it is exhausted.
* <p/>
*
* @author jrobinso
* @date Feb 26, 2010
*/
public class PaletteColorTable implements ColorTable {
LinkedHashMap<String, Color> colorMap;
Color[] colors;
public PaletteColorTable() {
colorMap = new LinkedHashMap();
}
public PaletteColorTable(ColorPalette palette) {
if (palette != null) {
this.colors = palette.getColors();
}
colorMap = new LinkedHashMap();
}
public void put(String key, Color c) {
colorMap.put(key, c);
}
public Color get(String key) {
Color c = colorMap.get(key);
if (c == null) {
final int colorIdx = colorMap.size();
if (colors != null && colorIdx < colors.length) {
c = colors[colorIdx];
} else {
c = ColorUtilities.randomColor(colorIdx);
}
colorMap.put(key, c);
}
return c;
}
public Collection<String> getKeys() {
return colorMap.keySet();
}
public Set<Map.Entry<String, Color>> entrySet() {
return colorMap.entrySet();
}
public String getMapAsString() {
StringBuffer buf = new StringBuffer();
boolean firstEntry = true;
for (Map.Entry<String, Color> entry : colorMap.entrySet()) {
if (!firstEntry) {
buf.append(";");
}
String cs = ColorUtilities.colorToString(entry.getValue());
buf.append(entry.getKey());
buf.append("=");
buf.append(cs);
firstEntry = false;
}
return buf.toString();
}
public void restoreMapFromString(String string) {
if (string == null || string.isEmpty()) return;
colorMap.clear();
String[] tokens = Globals.semicolonPattern.split(string);
for (String t : tokens) {
String[] kv = Globals.equalPattern.split(t);
colorMap.put(kv[0], ColorUtilities.stringToColor(kv[1]));
}
}
/**
* Return object state as a map of key-value string pairs
*
* @return
*/
public Map<String, String> getPersistentState() {
Map<String, String> state = new HashMap<String, String>();
if (colorMap != null && colorMap.size() > 0) {
state.put("colorMap", getMapAsString());
}
return state;
}
/**
* Restore object state from a map of key-value string pairs
*
* @param values
*/
public void restorePersistentState(Map<String, String> values) {
String colorMapString = values.get("colorMap");
if (colorMapString != null) {
restoreMapFromString(colorMapString);
}
}
public LinkedHashMap<String,Color> getColorMap() {
return colorMap;
}
}