From ee0c6ec9eed2936c6cc6a7f00f45a83346a30913 Mon Sep 17 00:00:00 2001
From: Manuel Rego Casasnovas <rego@igalia.com>
Date: Fri, 2 Sep 2011 11:47:30 +0200
Subject: [PATCH] [Bug #1125] Disable remove button if unit type is assigned to
 any material

FEA: ItEr75S04BugFixing
---
 .../navalplanner/web/materials/UnitTypeController.java   | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/materials/UnitTypeController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/materials/UnitTypeController.java
index 77271578c..9f52f173b 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/materials/UnitTypeController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/materials/UnitTypeController.java
@@ -39,6 +39,7 @@ import org.zkoss.zk.ui.event.CheckEvent;
 import org.zkoss.zk.ui.event.Event;
 import org.zkoss.zk.ui.event.EventListener;
 import org.zkoss.zk.ui.event.Events;
+import org.zkoss.zul.Button;
 import org.zkoss.zul.Constraint;
 import org.zkoss.zul.Hbox;
 import org.zkoss.zul.Label;
@@ -96,13 +97,17 @@ public class UnitTypeController extends BaseCRUDController<UnitType> {
                     }
                 }));
 
-                hbox.appendChild(Util.createRemoveButton(new EventListener() {
+                Button removeButton = Util
+                        .createRemoveButton(new EventListener() {
 
                     @Override
                     public void onEvent(Event event) {
                         confirmDelete(unitType);
                     }
-                }));
+                });
+                removeButton.setDisabled(unitTypeModel
+                        .isUnitTypeUsedInAnyMaterial(unitType));
+                hbox.appendChild(removeButton);
 
                 row.appendChild(hbox);
             }