Invalid properties on objects does not crash the binding now, so we c…

…an have read-only properties on domain objects.
jdshaoheyi · Jul 22, 2013 · 73be21d · 73be21d
1 parent d386d2f
commit 73be21d
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/quickdialog/QBindingEvaluator.m b/quickdialog/QBindingEvaluator.m
@@ -136,9 +136,14 @@ - (void)fetchValueFromObject:(QElement *)element toData:(id)data {
         NSString *valueName = [((NSString *) [bindingParams objectAtIndex:1]) stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
 
         if (![propName isEqualToString:@"iterate"] && ![valueName isEqualToString:@"self"]) {
-            id value = [element valueForKeyPath:propName];
-            if (propName!= nil && value!=nil)
-                [data setValue:value forKeyPath:valueName];
+            @try {
+                id value = [element valueForKeyPath:propName];
+                if (propName!= nil && value!=nil)
+                    [data setValue:value forKeyPath:valueName];
+                }
+            @catch (NSException *exception) {
+                NSLog(@"Couldn't set property %@ on object %@", valueName, data);
+            }
         }
     }