Changeset 2558

Timestamp:

02/08/13 15:20:26 (11 years ago)

Author:

twagoo

Message:

Check component usage before deletion attempt. Refs #275

File:

• ComponentRegistry/trunk/ComponentBrowserGui/src/main/flex/clarin/cmdi/componentregistry/services/DeleteService.as (modified) (5 diffs)

ComponentRegistry/trunk/ComponentBrowserGui/src/main/flex/clarin/cmdi/componentregistry/services/DeleteService.as

@@ -15 +15 @@
         import mx.rpc.http.HTTPService;
         import mx.utils.StringUtil;
-
+        
         [Event(name="itemDeleted", type="flash.events.Event")]
-
+        
         public class DeleteService extends EventDispatcher {
                 public static const ITEM_DELETED:String = "itemDeleted";
                 private var service:HTTPService;
                 private static const DELETE_METHOD:Object = {"method": "delete"};
-
+                
                 private static var _instance:DeleteService = new DeleteService();
-
+                
                 public function DeleteService() {
                         if (_instance != null) {
@@ -34 +34 @@
                         service.method = HTTPRequestMessage.POST_METHOD;
                 }
-
+                
                 public function deleteItem(item:ItemDescription):void {
                         CursorManager.setBusyCursor();
-                        var url:URI = new URI(item.dataUrl);
+                        
+                        var deleteUrl:URI = new URI(item.dataUrl);
                         if (item.isInUserSpace) {
-                                url.setQueryValue(Config.PARAM_USERSPACE, "true");
+                                deleteUrl.setQueryValue(Config.PARAM_USERSPACE, "true");
                         }
-                        sendDelete(url);
+                        
+                        var  usageService:ComponentUsageService = new ComponentUsageService(item, item.isInUserSpace);
+                        usageService.addEventListener(ComponentUsageCheckEvent.COMPONENT_IN_USE, 
+                                function (event:ComponentUsageCheckEvent):void{
+                                        if(event.isComponentInUse){
+                                                onComponentInUse(event);
+                                        } else {
+                                                sendDelete(deleteUrl);
+                                        }
+                                });
+                        usageService.checkUsage();
+                }
+                
+                public function onComponentInUse(event:ComponentUsageCheckEvent):void{
+                        var messageBody:String = "The component cannot be deleted because it is used by the following component(s) and/or profile(s):\n\n";
+                        for each(var name:String in event.itemUsingComponent){
+                                messageBody += " - " + name + "\n";
+                        }
+                        CursorManager.removeBusyCursor();
+                        Alert.show(messageBody,"Component is used");
                 }
                 
@@ -61 +81 @@
                         service.send(DELETE_METHOD);
                 }
-
+                
                 private function handleResult(resultEvent:ResultEvent):void {
                         CursorManager.removeBusyCursor();
@@ -70 +90 @@
                         }
                 }
-
+                
                 public function handleError(faultEvent:FaultEvent):void {
                         CursorManager.removeBusyCursor();
@@ -81 +101 @@
                         }
                 }
-
+                
                 public static function get instance():DeleteService {
                         return _instance;