--- a/flys-client/src/main/java/de/intevation/flys/client/shared/Transform2D.java	Mon Feb 06 13:27:05 2012 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/shared/Transform2D.java	Mon Feb 06 14:43:27 2012 +0000
@@ -1,8 +1,12 @@
 package de.intevation.flys.client.shared;
 
 import java.io.Serializable;
+import java.util.Date;
 
 import com.google.gwt.core.client.GWT;
+import com.google.gwt.i18n.client.DateTimeFormat;
+import com.google.gwt.i18n.client.DateTimeFormat.PredefinedFormat;
+import com.google.gwt.i18n.client.NumberFormat;
 
 
 /**
@@ -13,6 +17,9 @@
  */
 public class Transform2D implements Serializable {
 
+    protected String xType;
+    protected String yType;
+
     protected double sx;
     protected double sy;
 
@@ -33,6 +40,19 @@
      * @param ty The translation factor for the y axis.
      */
     public Transform2D(double sx, double sy, double tx, double ty) {
+        this(sx, sy, tx, ty, "number", "number");
+    }
+
+
+    public Transform2D(
+        double sx, double sy,
+        double tx, double ty,
+        String xType,
+        String yType
+    ) {
+        this.xType = xType;
+        this.yType = yType;
+
         this.sx  = sx;
         this.sy  = sy;
         this.tx  = tx;
@@ -52,6 +72,53 @@
     }
 
 
+    public String[] format(Number[] xy) {
+        String x = null;
+        String y = null;
+
+        if (xType.equals("date")) {
+            x = formatDate(xy[0].longValue());
+        }
+        else {
+            x = formatNumber(xy[0].doubleValue());
+        }
+
+        if (yType.equals("date")) {
+            y = formatDate(xy[1].longValue());
+        }
+        else {
+            y = formatNumber(xy[1].doubleValue());
+        }
+
+        return new String[] { x, y };
+    }
+
+
+    protected String formatDate(long time) {
+        Date date = new Date(time);
+        DateTimeFormat df = getDateTimeFormat();
+
+        return df.format(date);
+    }
+
+
+    protected String formatNumber(double number) {
+        NumberFormat nf = getNumberFormat();
+
+        return nf.format(number);
+    }
+
+
+    public DateTimeFormat getDateTimeFormat() {
+        return DateTimeFormat.getFormat(PredefinedFormat.DATE_SHORT);
+    }
+
+
+    public NumberFormat getNumberFormat() {
+        return NumberFormat.getDecimalFormat();
+    }
+
+
     public void dumpGWT() {
         GWT.log("SX = " + sx);
         GWT.log("SY = " + sy);