[CIShell-SVN] SF.net SVN: cishell:[1312] trunk/core/org.cishell.utilities/src/org/cishell /utilities/color/ColorRegistry.java

[<dav...@us...>]

Revision: 1312
          http://cishell.svn.sourceforge.net/cishell/?rev=1312&view=rev
Author:   david-coe
Date:     2012-03-07 14:01:35 +0000 (Wed, 07 Mar 2012)
Log Message:
-----------
You can optionally create a registry that will not recycle the colors.

Reviewed by Chin Hua.

Modified Paths:
--------------
    trunk/core/org.cishell.utilities/src/org/cishell/utilities/color/ColorRegistry.java

Modified: trunk/core/org.cishell.utilities/src/org/cishell/utilities/color/ColorRegistry.java
===================================================================
--- trunk/core/org.cishell.utilities/src/org/cishell/utilities/color/ColorRegistry.java	2012-03-06 22:05:17 UTC (rev 1311)
+++ trunk/core/org.cishell.utilities/src/org/cishell/utilities/color/ColorRegistry.java	2012-03-07 14:01:35 UTC (rev 1312)
@@ -21,9 +21,15 @@
 	private int currentIndex;
 	private ColorSchema colorSchema;
 	private Map<K, Color> registedColors;
+	private boolean recycleColor;
 	
 	public ColorRegistry(ColorSchema colorSchema) {
+		this(colorSchema, true);
+	}
+	
+	public ColorRegistry(ColorSchema colorSchema, boolean recycleColor) {
 		this.currentIndex = 0;
+		this.recycleColor = recycleColor;
 		this.colorSchema = colorSchema;
 		this.registedColors = new HashMap<K, Color>();
 	}
@@ -33,7 +39,7 @@
 	 * @return Return the registered keys
 	 */
 	public Set<K> getKeySet() {
-		return registedColors.keySet();
+		return this.registedColors.keySet();
 	}
 	
 	/**
@@ -44,11 +50,10 @@
 	 * color defined by the ColorSchema will be returned
 	 */
 	public Color getColorOf(K key) {
-		if (registedColors.containsKey(key)) {
-			return registedColors.get(key);
-		} else {
-			return reserveColorFor(key);
+		if (this.registedColors.containsKey(key)) {
+			return this.registedColors.get(key);
 		}
+		return reserveColorFor(key);
 	}
 	
 	/**
@@ -56,14 +61,14 @@
 	 * @return the default color.
 	 */
 	public Color getDefaultColor() {
-		return colorSchema.getDefaultColor();
+		return this.colorSchema.getDefaultColor();
 	}
 	
 	/**
 	 * Clear all entry and reset to initial state.
 	 */
 	public void clear() {
-		registedColors.clear();
+		this.registedColors.clear();
 	}
 	
 	/*
@@ -71,22 +76,24 @@
 	 */
 	private Color reserveColorFor(K key) {
 		
-		Color color = colorSchema.get(getNextIndex());
-		registedColors.put(key, color);
+		Color color = this.colorSchema.get(getNextIndex());
+		this.registedColors.put(key, color);
 		
 		return color;
 	}
 	
 	/*
-	 * Return next color index. This will reuse the color if it out of color
+	 * Return next color index. This will recycle the color 
+	 * if the recycleColor is true 
 	 */
 	private int getNextIndex() {
-		int index = currentIndex;
+		int index = this.currentIndex;
 		
-		if (currentIndex < colorSchema.size() - 1) {
-			currentIndex++;
+		if (this.currentIndex < this.colorSchema.size() - 1 
+				|| !this.recycleColor) {
+			this.currentIndex++;
 		} else {
-			currentIndex = 0;
+			this.currentIndex = 0;
 		}
 		return index;
 	}

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