Feature to show buttons horizontally.

Jose Antonio Espín Mora · Jose Antonio Espín Mora · commit 5d8ae7b2f82b · 2016-04-29T12:31:54.000+02:00
diff --git a/SCLAlertView/SCLAlertView.h b/SCLAlertView/SCLAlertView.h
@@ -222,6 +222,12 @@ typedef NS_ENUM(NSInteger, SCLAlertViewBackground)
  */
 @property (nonatomic) UIStatusBarStyle statusBarStyle;
 
+/** Set horizontal alignment for buttons
+ *
+ * Horizontal aligment instead of vertically if YES
+ */
+@property (nonatomic) BOOL horizontalButtons;
+
 /** Initialize SCLAlertView using a new window.
  *
  * Init with new window
diff --git a/SCLAlertView/SCLAlertView.m b/SCLAlertView/SCLAlertView.m
@@ -380,10 +380,17 @@ - (void)viewWillLayoutSubviews
     }
     
     // Buttons
+    CGFloat x = 12.0f;
     for (SCLButton *btn in _buttons)
     {
-        btn.frame = CGRectMake(12.0f, y, btn.frame.size.width, btn.frame.size.height);
-        y += btn.frame.size.height + 10.0f;
+        btn.frame = CGRectMake(x, y, btn.frame.size.width, btn.frame.size.height);
+        
+        // Add horizontal or vertical offset acording on _horizontalButtons parameter
+        if (_horizontalButtons) {
+            x += btn.frame.size.width + 10.0f;
+        } else {
+            y += btn.frame.size.height + 10.0f;
+        }
     }
     
     // Adapt window height according to icon size
@@ -684,12 +691,24 @@ - (SCLButton *)addButton:(NSString *)title
     [btn setTitle:title forState:UIControlStateNormal];
     btn.titleLabel.font = [UIFont fontWithName:_buttonsFontFamily size:_buttonsFontSize];
     
-    // Update view height
-    self.windowHeight += (btn.frame.size.height + ADD_BUTTON_PADDING);
-    
     [_contentView addSubview:btn];
     [_buttons addObject:btn];
     
+    if (_horizontalButtons) {
+        // Update buttons width according to the number of buttons
+        for (SCLButton *bttn in _buttons) {
+            [bttn adjustWidthWithWindowWidth:self.windowWidth numberOfButtons:[_buttons count]];
+        }
+        
+        // Update view height
+        if (!([_buttons count] > 1)) {
+            self.windowHeight += (btn.frame.size.height + ADD_BUTTON_PADDING);
+        }
+    } else {
+        // Update view height
+        self.windowHeight += (btn.frame.size.height + ADD_BUTTON_PADDING);
+    }
+    
     return btn;
 }
 
diff --git a/SCLAlertView/SCLButton.h b/SCLAlertView/SCLButton.h
@@ -98,4 +98,12 @@ typedef NS_ENUM(NSInteger, SCLActionType)
  */
 - (instancetype)initWithWindowWidth:(CGFloat)windowWidth;
 
+/** Adjust width of the button according to the width of the alert and
+ * the number of buttons. Only used when buttons are horizontally aligned.
+ *
+ * @param windowWith The width of the alert.
+ * @param numberOfButtons The number of buttons in the alert.
+ */
+- (void)adjustWidthWithWindowWidth:(CGFloat)windowWidht numberOfButtons:(NSUInteger)numberOfButtons;
+
 @end
diff --git a/SCLAlertView/SCLButton.m b/SCLAlertView/SCLButton.m
@@ -63,6 +63,14 @@ - (void)setupWithWindowWidth:(CGFloat)windowWidth
     self.layer.cornerRadius = 3.0f;
 }
 
+- (void)adjustWidthWithWindowWidth:(CGFloat)windowWidht numberOfButtons:(NSUInteger)numberOfButtons
+{
+    CGFloat allButtonsWidth = windowWidht - (MARGIN_BUTTON * 2);
+    CGFloat buttonWidth = (allButtonsWidth - ((numberOfButtons - 1) * 10)) / numberOfButtons;
+    
+    self.frame = CGRectMake(0.0f, 0.0f, buttonWidth, MIN_HEIGHT);
+}
+
 - (void)setTitle:(NSString *)title forState:(UIControlState)state
 {
     [super setTitle:title forState:state];

Original file line number	Diff line number	Diff line change
`@@ -63,6 +63,14 @@ - (void)setupWithWindowWidth:(CGFloat)windowWidth`
`63`	`63`	`self.layer.cornerRadius = 3.0f;`
`64`	`64`	`}`
`65`	`65`
	`66`	`+- (void)adjustWidthWithWindowWidth:(CGFloat)windowWidht numberOfButtons:(NSUInteger)numberOfButtons`
	`67`	`+{`
	`68`	`+ CGFloat allButtonsWidth = windowWidht - (MARGIN_BUTTON * 2);`
	`69`	`+ CGFloat buttonWidth = (allButtonsWidth - ((numberOfButtons - 1) * 10)) / numberOfButtons;`
	`70`	`+`
	`71`	`+ self.frame = CGRectMake(0.0f, 0.0f, buttonWidth, MIN_HEIGHT);`
	`72`	`+}`
	`73`	`+`
`66`	`74`	`- (void)setTitle:(NSString *)title forState:(UIControlState)state`
`67`	`75`	`{`
`68`	`76`	`[super setTitle:title forState:state];`