=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/dashboard/DashboardItemStore.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/dashboard/DashboardItemStore.java	2013-12-13 11:08:00 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/dashboard/DashboardItemStore.java	2013-12-13 11:44:41 +0000
@@ -29,6 +29,7 @@
  */
 
 import org.hisp.dhis.common.GenericIdentifiableObjectStore;
+import org.hisp.dhis.mapping.Map;
 
 /**
  * @author Morten Olav Hansen <mortenoh@gmail.com>
@@ -36,4 +37,5 @@
 public interface DashboardItemStore
     extends GenericIdentifiableObjectStore<DashboardItem>
 {
+    int countMapDashboardItems( Map map );
 }

=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/dashboard/DashboardService.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/dashboard/DashboardService.java	2013-09-16 17:07:25 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/dashboard/DashboardService.java	2013-12-13 11:44:41 +0000
@@ -1,10 +1,12 @@
 package org.hisp.dhis.dashboard;
 
+import org.hisp.dhis.interpretation.Interpretation;
+import org.hisp.dhis.mapping.Map;
+import org.hisp.dhis.user.User;
+
 import java.util.List;
 import java.util.Set;
 
-import org.hisp.dhis.user.User;
-
 /*
  * Copyright (c) 2004-2013, University of Oslo
  * All rights reserved.
@@ -42,24 +44,26 @@
     final String ID = DashboardService.class.getName();
 
     DashboardSearchResult search( String query );
-    
+
     DashboardSearchResult search( String query, Set<String> maxTypes );
-    
+
     boolean addItemContent( String dashboardUid, String type, String contentUid );
-    
+
     void mergeDashboard( Dashboard dashboard );
-    
+
     void mergeDashboardItem( DashboardItem item );
-    
+
     int saveDashboard( Dashboard dashboard );
-    
+
     void updateDashboard( Dashboard dashboard );
-    
+
     void deleteDashboard( Dashboard dashboard );
-    
+
     Dashboard getDashboard( int id );
-    
+
     Dashboard getDashboard( String uid );
-    
+
     List<Dashboard> getByUser( User user );
+
+    int countMapDashboardItems( Map map );
 }

=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/interpretation/InterpretationService.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/interpretation/InterpretationService.java	2013-12-01 15:05:10 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/interpretation/InterpretationService.java	2013-12-13 11:44:41 +0000
@@ -28,6 +28,8 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+import org.hisp.dhis.mapping.Map;
+
 import java.util.Date;
 import java.util.List;
 
@@ -57,4 +59,6 @@
     void updateCurrentUserLastChecked();
 
     long getNewInterpretationCount();
+
+    int countMapInterpretations( Map map );
 }

=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/interpretation/InterpretationStore.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/interpretation/InterpretationStore.java	2013-10-08 17:16:47 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/interpretation/InterpretationStore.java	2013-12-13 11:44:41 +0000
@@ -29,6 +29,7 @@
  */
 
 import org.hisp.dhis.common.GenericIdentifiableObjectStore;
+import org.hisp.dhis.mapping.Map;
 
 /**
  * @author Lars Helge Overland
@@ -36,4 +37,5 @@
 public interface InterpretationStore
     extends GenericIdentifiableObjectStore<Interpretation>
 {
+    int countMapInterpretations( Map map );
 }

=== modified file 'dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/dashboard/DashboardItemDeletionHandler.java'
--- dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/dashboard/DashboardItemDeletionHandler.java	2013-12-13 11:08:00 +0000
+++ dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/dashboard/DashboardItemDeletionHandler.java	2013-12-13 11:44:41 +0000
@@ -49,6 +49,6 @@
     @Override
     public String allowDeleteMap( Map map )
     {
-        return ERROR;
+        return dashboardService.countMapDashboardItems( map ) == 0 ? null : ERROR;
     }
 }

=== modified file 'dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/dashboard/hibernate/HibernateDashboardItemStore.java'
--- dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/dashboard/hibernate/HibernateDashboardItemStore.java	2013-12-13 11:08:00 +0000
+++ dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/dashboard/hibernate/HibernateDashboardItemStore.java	2013-12-13 11:44:41 +0000
@@ -28,9 +28,11 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+import org.hibernate.Query;
 import org.hisp.dhis.common.hibernate.HibernateIdentifiableObjectStore;
 import org.hisp.dhis.dashboard.DashboardItem;
 import org.hisp.dhis.dashboard.DashboardItemStore;
+import org.hisp.dhis.mapping.Map;
 
 /**
  * @author Morten Olav Hansen <mortenoh@gmail.com>
@@ -38,4 +40,12 @@
 public class HibernateDashboardItemStore extends HibernateIdentifiableObjectStore<DashboardItem>
     implements DashboardItemStore
 {
+    @Override
+    public int countMapDashboardItems( Map map )
+    {
+        Query query = getQuery( "select count(distinct c) from " + clazz.getName() + " c where c.map=:map" );
+        query.setEntity( "map", map );
+
+        return ((Long) query.uniqueResult()).intValue();
+    }
 }

=== modified file 'dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/dashboard/impl/DefaultDashboardService.java'
--- dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/dashboard/impl/DefaultDashboardService.java	2013-12-13 11:08:00 +0000
+++ dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/dashboard/impl/DefaultDashboardService.java	2013-12-13 11:44:41 +0000
@@ -37,6 +37,7 @@
 import org.hisp.dhis.dashboard.DashboardSearchResult;
 import org.hisp.dhis.dashboard.DashboardService;
 import org.hisp.dhis.document.Document;
+import org.hisp.dhis.interpretation.Interpretation;
 import org.hisp.dhis.mapping.Map;
 import org.hisp.dhis.patientreport.PatientTabularReport;
 import org.hisp.dhis.report.Report;
@@ -268,6 +269,13 @@
     {
         return dashboardStore.getByUser( user );
     }
+
+    @Override
+    public int countMapDashboardItems( Map map )
+    {
+        return dashboardItemStore.countMapDashboardItems( map );
+    }
+
     // -------------------------------------------------------------------------
     // Supportive methods
     // -------------------------------------------------------------------------

=== modified file 'dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/interpretation/InterpretationDeletionHandler.java'
--- dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/interpretation/InterpretationDeletionHandler.java	2013-10-08 17:16:47 +0000
+++ dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/interpretation/InterpretationDeletionHandler.java	2013-12-13 11:44:41 +0000
@@ -28,6 +28,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+import org.hisp.dhis.mapping.Map;
 import org.hisp.dhis.system.deletion.DeletionHandler;
 import org.hisp.dhis.user.User;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -62,4 +63,10 @@
             }
         }
     }
+
+    @Override
+    public String allowDeleteMap( Map map )
+    {
+        return interpretationService.countMapInterpretations( map ) == 0 ? null : ERROR;
+    }
 }

=== modified file 'dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/interpretation/hibernate/HibernateInterpretationStore.java'
--- dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/interpretation/hibernate/HibernateInterpretationStore.java	2013-10-08 17:16:47 +0000
+++ dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/interpretation/hibernate/HibernateInterpretationStore.java	2013-12-13 11:44:41 +0000
@@ -32,6 +32,7 @@
 import org.hisp.dhis.common.hibernate.HibernateIdentifiableObjectStore;
 import org.hisp.dhis.interpretation.Interpretation;
 import org.hisp.dhis.interpretation.InterpretationStore;
+import org.hisp.dhis.mapping.Map;
 import org.hisp.dhis.user.User;
 
 import java.util.List;
@@ -42,7 +43,7 @@
 public class HibernateInterpretationStore
     extends HibernateIdentifiableObjectStore<Interpretation> implements InterpretationStore
 {
-    @SuppressWarnings( "unchecked" )
+    @SuppressWarnings("unchecked")
     public List<Interpretation> getInterpretations( User user )
     {
         String hql = "select distinct i from Interpretation i left join i.comments c " +
@@ -67,4 +68,13 @@
 
         return query.list();
     }
+
+    @Override
+    public int countMapInterpretations( Map map )
+    {
+        Query query = getQuery( "select count(distinct c) from " + clazz.getName() + " c where c.map=:map" );
+        query.setEntity( "map", map );
+
+        return ((Long) query.uniqueResult()).intValue();
+    }
 }

=== modified file 'dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/interpretation/impl/DefaultInterpretationService.java'
--- dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/interpretation/impl/DefaultInterpretationService.java	2013-12-01 15:05:10 +0000
+++ dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/interpretation/impl/DefaultInterpretationService.java	2013-12-13 11:44:41 +0000
@@ -33,6 +33,7 @@
 import org.hisp.dhis.interpretation.InterpretationComment;
 import org.hisp.dhis.interpretation.InterpretationService;
 import org.hisp.dhis.interpretation.InterpretationStore;
+import org.hisp.dhis.mapping.Map;
 import org.hisp.dhis.period.PeriodService;
 import org.hisp.dhis.user.CurrentUserService;
 import org.hisp.dhis.user.User;
@@ -192,4 +193,10 @@
 
         return count;
     }
+
+    @Override
+    public int countMapInterpretations( Map map )
+    {
+        return interpretationStore.countMapInterpretations( map );
+    }
 }