jira-integration: Disable hours edition in JIRA issues

For tasks that are JIRA issues the hours fields will be readonly.

FEA: ItEr77S16JiraAndTimConnectorContributionIntegration

libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderLineGroup.java

@@ -163,6 +163,11 @@ public class OrderLineGroup extends OrderElement implements
             return getThis().isUpdatedFromTimesheets();
         }
 
+        @Override
+        public boolean isJiraIssue() {
+            return getThis().isJiraIssue();
+        }
+
     }
 
     public static OrderLineGroup create() {

libreplan-business/src/main/java/org/libreplan/business/templates/entities/OrderElementTemplate.java

@@ -625,4 +625,9 @@ public abstract class OrderElementTemplate extends BaseEntity implements
         return false;
     }
 
+    @Override
+    public boolean isJiraIssue() {
+        return false;
+    }
+
 }

libreplan-business/src/main/java/org/libreplan/business/templates/entities/OrderLineGroupTemplate.java

@@ -105,6 +105,11 @@ public class OrderLineGroupTemplate extends OrderElementTemplate implements
             return false;
         }
 
+        @Override
+        public boolean isJiraIssue() {
+            return false;
+        }
+
     }
 
     public static OrderLineGroupTemplate createNew() {

libreplan-business/src/main/java/org/libreplan/business/trees/ITreeNode.java

@@ -62,4 +62,6 @@ public interface ITreeNode<T extends ITreeNode<T>> {
 
     boolean isUpdatedFromTimesheets();
 
+    boolean isJiraIssue();
+
 }

libreplan-webapp/src/main/java/org/libreplan/web/orders/criterionrequirements/AssignedCriterionRequirementToOrderElementController.java

@@ -207,7 +207,9 @@ public class AssignedCriterionRequirementToOrderElementController extends
     }
 
     public boolean isEditableHoursGroup() {
-        return getElement() != null && getElement() instanceof OrderLine;
+        OrderElement element = getElement();
+        return element != null && element instanceof OrderLine
+                && !element.isJiraIssue();
     }
 
 }

libreplan-webapp/src/main/java/org/libreplan/web/tree/TreeController.java

@@ -1006,8 +1006,7 @@ public abstract class TreeController<T extends ITreeNode<T>> extends
         public void addHoursCell(final T currentElement) {
             Intbox intboxHours = buildHoursIntboxFor(currentElement);
             hoursIntBoxByElement.put(currentElement, intboxHours);
-            // TODO: Disable for JIRA issues
+            if (readOnly || currentElement.isJiraIssue()) {
-            if (readOnly) {
                 intboxHours.setDisabled(true);
             }
             Treecell cellHours = addCell(intboxHours);