From 7bef6d83d038fbeffe03caa3a1c177f184baaeb2 Mon Sep 17 00:00:00 2001
From: Diego Pino Garcia <dpino@igalia.com>
Date: Thu, 4 Nov 2010 13:11:25 +0100
Subject: [PATCH] Fix bug avoid creating hbox assigment function combobox on
 changing zoom

The combobox for selecting type of assigment function (advance
allocation) is created every time the user changes the zoom
leve

FEA: ItEr62OTS04FuncionCurvaS
---
 .../AdvancedAllocationController.java         | 28 ++++++++++++-------
 1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
index 5880c49e0..d6c6bcf46 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
@@ -1195,25 +1195,33 @@ class Row {
         }
     }
 
+    private Hbox hboxAssigmentFunctionsCombobox = null;
+
     Component getFunction() {
         if (isGroupingRow()) {
             return new Label();
         } else if (isLimiting) {
             return new Label(_("Limiting assignment"));
         } else {
-            Hbox hbox = new Hbox();
-
-            Combobox assignmentFunctionsCombo = getAssignmentFunctionsCombo();
-            appendListener(assignmentFunctionsCombo);
-
-            hbox.appendChild(assignmentFunctionsCombo);
-            hbox
-                    .appendChild(getAssignmentFunctionsConfigureButton(assignmentFunctionsCombo));
-
-            return hbox;
+            if (hboxAssigmentFunctionsCombobox == null) {
+                initializeAssigmentFunctionsCombobox();
+            }
+            return hboxAssigmentFunctionsCombobox;
         }
     }
 
+    private void initializeAssigmentFunctionsCombobox() {
+        hboxAssigmentFunctionsCombobox = new Hbox();
+
+        Combobox assignmentFunctionsCombo = getAssignmentFunctionsCombo();
+        appendListener(assignmentFunctionsCombo);
+        assignmentFunctionsCombo.setValue("None");
+
+        hboxAssigmentFunctionsCombobox.appendChild(assignmentFunctionsCombo);
+        hboxAssigmentFunctionsCombobox
+                .appendChild(getAssignmentFunctionsConfigureButton(assignmentFunctionsCombo));
+    }
+
     private void appendListener(final Combobox assignmentFunctionsCombo) {
         assignmentFunctionsCombo.addEventListener(Events.ON_CHANGE,
                 new EventListener() {