add constrant

sunyong0329 · sunyong0329 · commit 5bf6ec885738 · 2015-09-08T12:03:02.000+08:00
diff --git a/TYAlertControllerDemo/TYAlertController/TYAlertView.m b/TYAlertControllerDemo/TYAlertController/TYAlertView.m
@@ -225,7 +225,24 @@ - (void)layoutButtons
         [_buttonContentView addConstarintWithView:button topView:_buttonContentView leftView:nil bottomView:nil rightView:_buttonContentView edageInset:UIEdgeInsetsZero];
         [_buttonContentView addConstarintWithLeftView:firstButton toRightView:button constarint:_textLabelSpace];
         [_buttonContentView addConstarintEqualWithView:button widthToView:firstButton heightToView:firstButton];
-    }}
+    }else {
+        if (_buttons.count == 3) {
+            UIButton *firstBtn = _buttons[0];
+            UIButton *secondBtn = _buttons[1];
+            [_buttonContentView removeConstraintWithView:firstBtn attribte:NSLayoutAttributeRight];
+            [_buttonContentView removeConstraintWithView:firstBtn attribte:NSLayoutAttributeBottom];
+            [_buttonContentView removeConstraintWithView:secondBtn attribte:NSLayoutAttributeTop];
+            [_buttonContentView addConstarintWithView:firstBtn topView:nil leftView:nil bottomView:0 rightView:_buttonContentView edageInset:UIEdgeInsetsZero];
+            [_buttonContentView addConstarintWithTopView:firstBtn toBottomView:secondBtn constarint:_textLabelSpace];
+            
+        }
+        UIButton *lastSecondBtn = _buttons[_buttons.count-2];
+        [_buttonContentView removeConstraintWithView:lastSecondBtn attribte:NSLayoutAttributeBottom];
+        [_buttonContentView addConstarintWithTopView:lastSecondBtn toBottomView:button constarint:_textLabelSpace];
+        [_buttonContentView addConstarintWithView:button topView:nil leftView:_buttonContentView bottomView:_buttonContentView rightView:nil edageInset:UIEdgeInsetsZero];
+        [_buttonContentView addConstarintEqualWithView:button widthToView:lastSecondBtn heightToView:lastSecondBtn];
+    }
+}
 
 #pragma mark - action
 
diff --git a/TYAlertControllerDemo/TYAlertController/UIView+TYAutoLayout.m b/TYAlertControllerDemo/TYAlertController/UIView+TYAutoLayout.m
@@ -42,7 +42,7 @@ - (void)addConstarintWithLeftView:(UIView *)leftView toRightView:(UIView *)right
 
 - (void)addConstarintWithTopView:(UIView *)topView toBottomView:(UIView *)bottomView constarint:(CGFloat)constarint
 {
-    [self addConstraint:[NSLayoutConstraint constraintWithItem:bottomView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:topView attribute:NSLayoutAttributeBottom multiplier:1 constant:constarint]];
+    [self addConstraint:[NSLayoutConstraint constraintWithItem:topView attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:bottomView attribute:NSLayoutAttributeTop multiplier:1 constant:-constarint]];
 }
 
 - (void)addConstarintWidth:(CGFloat)width height:(CGFloat)height
diff --git a/TYAlertControllerDemo/ViewController.m b/TYAlertControllerDemo/ViewController.m
@@ -34,6 +34,9 @@ - (IBAction)showAlertView:(id)sender {
     }]];
     [alertView addAction:[TYAlertAction actionWithTitle:@"取消" style:TYAlertActionStyleCancle handler:^(TYAlertAction *action) {
         
+    }]];
+    [alertView addAction:[TYAlertAction actionWithTitle:@"默认" style:TYAlertActionStyleDefault handler:^(TYAlertAction *action) {
+        
     }]];
     TYAlertController *alertController = [TYAlertController alertControllerWithAlertView:alertView preferredStyle:TYAlertControllerStyleAlert];
     [self presentViewController:alertController animated:YES completion:nil];

Original file line number	Diff line number	Diff line change
`@@ -42,7 +42,7 @@ - (void)addConstarintWithLeftView:(UIView )leftView toRightView:(UIView )right`
`42`	`42`
`43`	`43`	`- (void)addConstarintWithTopView:(UIView )topView toBottomView:(UIView )bottomView constarint:(CGFloat)constarint`
`44`	`44`	`{`
`45`		`- [self addConstraint:[NSLayoutConstraint constraintWithItem:bottomView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:topView attribute:NSLayoutAttributeBottom multiplier:1 constant:constarint]];`
	`45`	`+ [self addConstraint:[NSLayoutConstraint constraintWithItem:topView attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:bottomView attribute:NSLayoutAttributeTop multiplier:1 constant:-constarint]];`
`46`	`46`	`}`
`47`	`47`
`48`	`48`	`- (void)addConstarintWidth:(CGFloat)width height:(CGFloat)height`