ATT-1:Enable rotation of image attachments, adding the javascript code and enabling the java code to call 'rotate instruction

Author: Wandji69

api/src/main/java/org/openmrs/module/attachments/obs/ImageAttachmentHandler.java

@@ -70,6 +70,11 @@ protected boolean deleteComplexData(Obs obs, AttachmentComplexData complexData)
 
 	@Override
 	protected ValueComplex saveComplexData(Obs obs, AttachmentComplexData complexData) {
+		if (obs.getValueModifier().equals("instructions.rotate-right")) {
+			// rotate the image provided in complex data
+		}
+		obs.setValueModifier(null);
+		
 		int imageHeight = Integer.MAX_VALUE;
 		int imageWidth = Integer.MAX_VALUE;
 

omod/src/main/webapp/resources/scripts/directives/thumbnail.js

@@ -125,6 +125,10 @@ angular.module('att.widget.thumbnail')
           uuid: $scope.obs.uuid,
           comment: $scope.obs.comment
         });
+          Attachment.save({
+              uuid: $scope.obs.uuid,
+              valueModifier: "instructions.rotate-right"
+          });
         saved.$promise.then(function(attachment) {
           $scope.obs.uuid = attachment.uuid;
           $scope.toggleEditMode(false);
@@ -278,4 +282,4 @@ angular.module('att.widget.thumbnail')
       }
     }
   };
-}]);
+}]);