--- a/flys-client/ChangeLog	Wed May 09 20:07:22 2012 +0000
+++ b/flys-client/ChangeLog	Wed May 09 21:44:54 2012 +0000
@@ -1,3 +1,18 @@
+2012-05-09	Felix Wolfsteller	<felix.wolfsteller@intevation.de>
+
+	issue652: Empty spinner leads to exception.
+
+	* src/main/java/de/intevation/flys/client/client/ui/chart/CrossSectionChartThemePanel.java:
+	  Employ ValueFormatter and ValueParser to respect locale and stabilize.
+
+2012-05-09	Felix Wolfsteller	<felix.wolfsteller@intevation.de>
+
+	* src/main/java/de/intevation/flys/client/client/FLYSConstants.java,
+	  src/main/java/de/intevation/flys/client/client/FLYSConstants.properties,
+	  src/main/java/de/intevation/flys/client/client/FLYSConstants_en.properties,
+	  src/main/java/de/intevation/flys/client/client/FLYSConstants_de.properties:
+	  Added i18n strings for showmiddleheight theme property strings.
+
 2012-05-09	Sascha L. Teichmann	<sascha.teichmann@intevation.de>
 
 	* src/main/webapp/WEB-INF/config.yaml: Simplified config. Still ugly.

--- a/flys-client/src/main/java/de/intevation/flys/client/client/ui/chart/CrossSectionChartThemePanel.java	Wed May 09 20:07:22 2012 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/chart/CrossSectionChartThemePanel.java	Wed May 09 21:44:54 2012 +0000
@@ -9,12 +9,15 @@
 
 import com.google.gwt.core.client.GWT;
 
+import com.google.gwt.i18n.client.NumberFormat;
+
 import com.google.gwt.user.client.rpc.AsyncCallback;
 
 import com.smartgwt.client.util.SC;
 
 import com.smartgwt.client.types.ListGridFieldType;
 
+import com.smartgwt.client.data.Record;
 import com.smartgwt.client.widgets.Button;
 import com.smartgwt.client.widgets.Canvas;
 import com.smartgwt.client.widgets.Label;
@@ -23,8 +26,11 @@
 import com.smartgwt.client.widgets.grid.ListGridRecord;
 import com.smartgwt.client.widgets.layout.HLayout;
 import com.smartgwt.client.widgets.layout.VLayout;
+import com.smartgwt.client.widgets.form.fields.FormItem;
 import com.smartgwt.client.widgets.form.fields.SpinnerItem;
 import com.smartgwt.client.widgets.form.DynamicForm;
+import com.smartgwt.client.widgets.form.FormItemValueFormatter;
+import com.smartgwt.client.widgets.form.FormItemValueParser;
 
 import com.smartgwt.client.widgets.form.fields.SelectItem;
 import com.smartgwt.client.widgets.form.fields.TextItem;
@@ -546,17 +552,56 @@
                     spinnerValueEntered(null, currentValue - 0.1d, _facetRecord);
                 }
             });
-            // TODO i18n
+
             DynamicForm form = new DynamicForm();
             final TextItem kmField = new TextItem();
             kmField.setValue(currentValue);
             kmField.setWidth(35);
             kmField.setTitle("");
             kmField.setHeight(height);
+
+            FormItemValueFormatter doubleFormat = new FormItemValueFormatter() {
+                public String formatValue(Object value, Record record,
+                    DynamicForm form, FormItem item) {
+                        if (value != null) {
+                            NumberFormat nf = NumberFormat.getDecimalFormat();
+                            try {
+                                double d = Double.valueOf(value.toString()).doubleValue();
+                                return nf.format(d);
+                            } catch (Exception e) {
+                                return value.toString();
+                            }
+                        }
+                        else {
+                            return null;
+                        }
+                    }
+            };
+            kmField.setEditorValueFormatter(doubleFormat);
+
+            FormItemValueParser doubleParser = new FormItemValueParser() {
+                public Object parseValue(String value,
+                                  DynamicForm form,
+                                  FormItem item) {
+                    if (value == null)
+                        return null;
+                    try {
+                        NumberFormat nf = NumberFormat.getDecimalFormat();
+                        double d = nf.parse(value.toString());
+                        return (new Double(d)).toString();
+                    }
+                    catch(NumberFormatException nfe) {
+                        return value;
+                    }
+                }
+            };
+            kmField.setEditorValueParser(doubleParser);
+
             // Update on focus lost and enter-pressed.
             kmField.addBlurHandler(new BlurHandler() {
                 @Override
                 public void onBlur(BlurEvent be) {
+                    if(kmField.getValue() != null)
                     spinnerValueEntered(null,
                         Double.parseDouble(kmField.getValue().toString()),
                         _facetRecord);