New methods to move section objects

Author: Ernesto Rivera

Source/AMBTableViewController.h

@@ -274,6 +274,20 @@ typedef void (^AMBTableViewCellConfigurationBlock)(id object,
 /// @param indexSet The indexes of the objects to be removed.
 - (void)removeObjectsAtIndexes:(NSIndexSet *)indexSet;
 
+/// @name Moving Objects
+
+/// Move an object to a given index.
+/// @param object The object to move.
+/// @param index The index to move the object to.
+- (void)moveObject:(id)object
+           toIndex:(NSUInteger)index;
+
+/// Move an object from a given index to a new one.
+/// @param oldIndex The original object index.
+/// @param index The index to move the object to.
+- (void)moveObjectAtIndex:(NSUInteger)oldIndex
+                  toIndex:(NSUInteger)index;
+
 /// @name Hiding and Showing Objects
 
 /// Whether an object is hidden.

Source/AMBTableViewController.m

@@ -511,6 +511,42 @@ - (void)removeObjectsAtIndexes:(NSIndexSet *)indexSet
     [self deleteRowsWithIndexes:[self rowIndexSetForVisibleObjectsInIndexSet:indexSet]];
 }
 
+- (void)moveObject:(id)object
+           toIndex:(NSUInteger)index
+{
+    [self moveObjectAtIndex:[self.objects indexOfObject:object]
+                    toIndex:index];
+    
+}
+
+- (void)moveObjectAtIndex:(NSUInteger)oldIndex
+                  toIndex:(NSUInteger)index
+{
+    id object = _mutableObjects[oldIndex];
+    [_mutableObjects removeObjectAtIndex:oldIndex];
+    [_mutableObjects insertObject:object
+                          atIndex:index];
+    
+    if ([_hiddenObjectsMutableIndexSet containsIndex:oldIndex])
+    {
+        [_hiddenObjectsMutableIndexSet removeIndex:oldIndex];
+        [_hiddenObjectsMutableIndexSet addIndex:index];
+    }
+    else
+    {
+        [self updateVisibleObjects];
+    }
+    
+    if (self.controller.tableView)
+    {
+        NSUInteger sectionIndex = [self.controller.sections indexOfObject:self];
+        [self.controller.tableView moveRowAtIndexPath:[NSIndexPath indexPathForRow:oldIndex
+                                                                         inSection:sectionIndex]
+                                          toIndexPath:[NSIndexPath indexPathForRow:index
+                                                                         inSection:sectionIndex]];
+    }
+}
+
 - (BOOL)isObjectHidden:(id)object
 {
     return [self isObjectAtIndexHidden:[self.objects indexOfObject:object]];