--- a/flys-client/src/main/java/de/intevation/flys/client/client/ui/map/FloodMap.java	Thu Oct 13 09:46:03 2011 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/map/FloodMap.java	Thu Oct 13 10:22:39 2011 +0000
@@ -22,6 +22,8 @@
 
     public static final String MARK_SELECTED = "mark.selected";
 
+    public static final int SELECTED_STROKE_WIDTH = 2;
+
     protected MapWidget mapWidget;
     protected Map       map;
     protected Vector    barrierLayer;
@@ -158,6 +160,9 @@
 
 
     public String getFeaturesAsGeoJSON() {
+        // disable features before exporting to GeoJSON
+        disableFeatures();
+
         VectorFeature[] features = barrierLayer.getFeatures();
 
         if (features == null || features.length == 0) {
@@ -185,5 +190,79 @@
             barrierLayer.setIsVisible(true);
         }
     }
+
+
+    public void selectFeature(VectorFeature feature) {
+        if (feature != null) {
+            selectFeatures(new VectorFeature[] { feature } );
+        }
+    }
+
+
+    public void selectFeatures(VectorFeature[] features) {
+        if (features == null || features.length == 0) {
+            return;
+        }
+
+        for (VectorFeature feature: features) {
+            Attributes attr = feature.getAttributes();
+
+            if (attr.getAttributeAsInt(MARK_SELECTED) == 1) {
+                continue;
+            }
+
+            attr.setAttribute(MARK_SELECTED, 1);
+
+            Style style        = feature.getStyle();
+            double strokeWidth = style.getStrokeWidth();
+
+            style.setStrokeWidth(strokeWidth+SELECTED_STROKE_WIDTH);
+        }
+
+        getBarrierLayer().redraw();
+    }
+
+
+    public void disableFeatures() {
+        Vector          barriers = getBarrierLayer();
+        VectorFeature[] features = barriers.getFeatures();
+
+        if (features == null || features.length == 0) {
+            return;
+        }
+
+        disableFeatures(features);
+    }
+
+
+    public void disableFeature(VectorFeature feature) {
+        if (feature != null) {
+            disableFeatures(new VectorFeature[] { feature });
+        }
+    }
+
+
+    public void disableFeatures(VectorFeature[] features) {
+        if (features == null || features.length == 0) {
+            return;
+        }
+
+        for (VectorFeature feature: features) {
+            Attributes attr = feature.getAttributes();
+
+            if (attr.getAttributeAsInt(MARK_SELECTED) == 0) {
+                continue;
+            }
+
+            attr.setAttribute(FloodMap.MARK_SELECTED, 0);
+
+            Style style        = feature.getStyle();
+            double strokeWidth = style.getStrokeWidth();
+
+            style.setStrokeWidth(strokeWidth-SELECTED_STROKE_WIDTH);
+        }
+
+        getBarrierLayer().redraw();
+    }
 }
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