Minor refactoring

GUI/src/main/java/cz/fidentis/analyst/distance/DistanceAction.java

@@ -151,11 +151,9 @@ public class DistanceAction extends ControlPanelAction {
         
         switch (action) {
             case DistancePanel.ACTION_COMMAND_SHOW_HIDE_HEATMAP:
-                if (((JToggleButton) ae.getSource()).isSelected()) {
+                heatmapRender = ((JToggleButton) ae.getSource()).isSelected();
+                if (heatmapRender) {
                     updateHausdorffDistanceInformation();
-                    heatmapRender = true;
-                } else {
-                    heatmapRender = false;
                 }
                 getSecondaryDrawableFace().setRenderHeatmap(heatmapRender);
                 break;

GUI/src/main/java/cz/fidentis/analyst/registration/RegistrationAction.java

@@ -232,12 +232,10 @@ public class RegistrationAction extends ControlPanelAction {
                 }
                 break;
             case RegistrationPanel.ACTION_COMMAND_HD_HEATMAP:
-                if (((JToggleButton) ae.getSource()).isSelected()) {
+                heatmapRender = ((JToggleButton) ae.getSource()).isSelected();
+                if (heatmapRender) {
                     calculateHausdorffDistance();
                     setHeatmap();
-                    heatmapRender = true;
-                } else {
-                    heatmapRender = false;
                 }
                 getSecondaryDrawableFace().setRenderHeatmap(heatmapRender);
                 break;