Aksegmented control reverse branch

AKSegmentedControl/AKSegmentedControl.h

@@ -28,6 +28,9 @@ typedef NS_ENUM(NSUInteger, AKSegmentedControlMode) {
     /** Upon touching the buttons, they will remain selected. */
     AKSegmentedControlModeSticky,
 
+    /* Deselect button，按钮选中情况下，再次点击触发按钮转未选中状态 */
+    AKSegmentedControlModeReverse,
+
     /** Button like mode. Upon touching the buttons, they will transition from selected to normal mode. */
     AKSegmentedControlModeButton,
 
@@ -71,4 +74,6 @@ typedef NS_ENUM(NSUInteger, AKSegmentedControlMode) {
  */
 - (void)setSelectedIndexes:(NSIndexSet *)indexSet byExpandingSelection:(BOOL)expandSelection;
 
+- (void)reset;
+
 @end

AKSegmentedControl/AKSegmentedControl.m

@@ -146,7 +146,16 @@ - (void)segmentButtonPressed:(id)sender {
 
         [self setSelectedIndexes:[mutableSet copy]];
     }
-
+    else if (_segmentedControlMode == AKSegmentedControlModeReverse) {
+        NSMutableIndexSet *mutableSet = [set mutableCopy];
+        if ([_selectedIndexes containsIndex:selectedIndex]) {
+            [mutableSet removeIndex:selectedIndex];
+        }else {
+            [mutableSet removeAllIndexes];
+            [mutableSet addIndex:selectedIndex];
+        }
+        [self setSelectedIndexes:[mutableSet copy]];
+    }
     else {
         [self setSelectedIndex:selectedIndex];
     }
@@ -159,6 +168,15 @@ - (void)segmentButtonPressed:(id)sender {
 
 }
 
+
+- (void)reset
+{
+    NSMutableIndexSet *mutableSet = [_selectedIndexes mutableCopy];
+    [mutableSet removeAllIndexes];
+    [self setSelectedIndexes:mutableSet];
+}
+
+
 #pragma mark - Setters
 
 - (void)setBackgroundImage:(UIImage *)backgroundImage {