code polished. No functional change.

Author: Ruediger.Lunde

src/aima/gui/applications/search/map/AbstractMapAgentController.java

@@ -21,8 +21,8 @@ public abstract class AbstractMapAgentController extends AgentAppController {
 	/** A scenario. */
 	protected Scenario scenario;
 	/**
-	 * Some location names. For routing problems, only one location should be
-	 * specified.
+	 * Some location names. For route planning problems, only one location
+	 * should be specified.
 	 */
 	protected List<String> destinations;
 	/** Search method to be used. */

src/aima/gui/framework/AgentView.java

@@ -2,80 +2,103 @@
 
 import java.awt.Color;
 
-
 /**
- * Simple agent view without content but with some useful transformation features.
- * The transformation features allow to scale and translate 2D world coordinates
- * into view coordinates. When creating subclasses, it should normally be
- * sufficient to override the method {@link #paint(java.awt.Graphics)}.
+ * Simple agent view without content but with some useful transformation
+ * features. The transformation features allow to scale and translate 2D world
+ * coordinates into view coordinates. When creating subclasses, it should
+ * normally be sufficient to override the method
+ * {@link #paint(java.awt.Graphics)}.
+ * 
  * @author R. Lunde
  */
 public class AgentView extends AgentAppFrame.AbstractAgentView {
-	/** Maintains a reference to the model which provides the data to be displayed. */
+	/**
+	 * Maintains a reference to the model which provides the data to be
+	 * displayed.
+	 */
 	protected AgentAppModel model;
-	
+
 	private int borderTop = 10;
 	private int borderLeft = 10;
 	private int borderBottom = 10;
 	private int borderRight = 10;
-	
+
 	private double offsetX;
 	private double offsetY;
 	private double scale;
-	
+
 	/**
-	 * Specifies the number of pixels left blank on each side of the
-	 * agent view panel.
+	 * Specifies the number of pixels left blank on each side of the agent view
+	 * panel.
 	 */
 	public void setBorder(int top, int left, int bottom, int right) {
 		borderTop = top;
 		borderLeft = left;
 		borderBottom = bottom;
 		borderRight = right;
 	}
+
 	/**
 	 * Specifies a bounding box in world coordinates. The resulting
-	 * transformation is able to display everything within this
-	 * bounding box without scrolling.
+	 * transformation is able to display everything within this bounding box
+	 * without scrolling.
 	 */
-	public void adjustTransformation(double minXW, double minYW, double maxXW, double maxYW) {
-    	// adjust coordinates relative to the left upper corner of the graph area
-    	double scaleX = 1f;
-    	double scaleY = 1f;
-    	if (maxXW > minXW)
-    		scaleX = (getWidth()-borderLeft-borderRight) / (maxXW-minXW);
-    	if (maxYW > minYW)
-    		scaleY = (getHeight()-borderTop-borderBottom) / (maxYW-minYW);
-    	offsetX = -minXW;
-    	offsetY = -minYW;
-    	scale = Math.min(scaleX, scaleY);
+	public void adjustTransformation(double minXW, double minYW, double maxXW,
+			double maxYW) {
+		// adjust coordinates relative to the left upper corner of the graph
+		// area
+		double scaleX = 1f;
+		double scaleY = 1f;
+		if (maxXW > minXW)
+			scaleX = (getWidth() - borderLeft - borderRight) / (maxXW - minXW);
+		if (maxYW > minYW)
+			scaleY = (getHeight() - borderTop - borderBottom) / (maxYW - minYW);
+		offsetX = -minXW;
+		offsetY = -minYW;
+		scale = Math.min(scaleX, scaleY);
 	}
-	
+
 	/** Returns the x_view of a given point in world coordinates. */
-	protected int x(double[] xyW) { return x(xyW[0]); }
+	protected int x(double[] xyW) {
+		return x(xyW[0]);
+	}
+
 	/** Returns the y_view of a given point in world coordinates. */
-	protected int y(double[] xyW) { return y(xyW[1]); }
+	protected int y(double[] xyW) {
+		return y(xyW[1]);
+	}
+
 	/** Returns the x_view of a given x-value in world coordinates. */
-	protected int x(double xW) { return (int) Math.round(scale * (xW + offsetX) + borderLeft); }
+	protected int x(double xW) {
+		return (int) Math.round(scale * (xW + offsetX) + borderLeft);
+	}
+
 	/** Returns the y_view of a given y-value in world coordinates. */
-	protected int y(double yW) { return (int) Math.round(scale * (yW + offsetY) + borderTop); }
+	protected int y(double yW) {
+		return (int) Math.round(scale * (yW + offsetY) + borderTop);
+	}
+
 	/** Transforms a given world length into view length. */
-	protected int scale(int length) { return (int) Math.round(scale * length); }
-	
+	protected int scale(int length) {
+		return (int) Math.round(scale * length);
+	}
+
 	/** Stores the model and initiates painting. */
+	@Override
 	public void updateView(AgentAppModel model) {
 		this.model = model;
 		if (model != null)
 			repaint();
 	}
-	
+
 	/**
 	 * Shows a graphical representation of the agent in its environment.
 	 * Override this dummy implementation to get a useful view of the agent!
 	 */
+	@Override
 	public void paint(java.awt.Graphics g) {
-	    java.awt.Graphics2D g2 = (java.awt.Graphics2D) g;
-	    g2.setColor(Color.white);
-	    g2.fillRect(0, 0, getWidth(), getHeight());
+		java.awt.Graphics2D g2 = (java.awt.Graphics2D) g;
+		g2.setBackground(Color.white);
+		g2.clearRect(0, 0, getWidth(), getHeight());
 	}
 }