add project file

Author: HirokiUmatani

PEAR-ZoomingView-iOS/ZoomingView.h

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+//
+//  ZoomingView.h
+//  ZoomingView
+//
+//  Created by hirokiumatani on 2015/12/30.
+//  Copyright © 2015年 hirokiumatani. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+@protocol ZoomingViewDelegate <NSObject>
+- (void)touchView:(UIView *)view;
+@end
+@interface ZoomingView : UIView
+@property (nonatomic,assign) id <ZoomingViewDelegate> delegate;
+@property (nonatomic,assign) NSInteger  topMargin;
+@property (nonatomic,assign) NSInteger  bottomMargin;
+@property (nonatomic,assign) NSInteger  leftMargin;
+@property (nonatomic,assign) NSInteger  rightMargin;
+@property (nonatomic,assign) BOOL       isShadow;
+@end

PEAR-ZoomingView-iOS/ZoomingView.m

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+//
+//  ZoomingView.m
+//  ZoomingView
+//
+//  Created by hirokiumatani on 2015/12/30.
+//  Copyright © 2015年 hirokiumatani. All rights reserved.
+//
+
+#import "ZoomingView.h"
+#import <QuartzCore/QuartzCore.h>
+@interface ZoomingView()
+@property (nonatomic,assign) BOOL isZoom;
+@property (nonatomic,assign) CGRect defaultRect;
+@end
+
+@implementation ZoomingView
+
+
+#pragma mark - shadow
+- (void)setIsShadow:(BOOL)isShadow
+{
+    _isShadow = isShadow;
+    if (!_isShadow)
+    {
+        [self noShadow];
+    }
+    else
+    {
+        [self showShadow];
+    }
+}
+
+- (void)noShadow
+{
+    self.layer.shadowOpacity = 0.0;
+    self.layer.shadowOffset = CGSizeMake(0,0);
+}
+- (void)showShadow
+{
+    if (_isShadow)
+    {
+        self.layer.shadowOpacity = 0.8;
+        self.layer.shadowOffset = CGSizeMake(0,8);
+    }
+}
+- (void)hideShadow
+{
+    if (_isShadow)
+    {
+        self.layer.shadowOpacity = 0.5;
+        self.layer.shadowOffset = CGSizeMake(0,5);
+    }
+}
+
+#pragma mark - zoom
+- (void)defaultView
+{
+    [UIView animateWithDuration:0.6
+                     animations:^
+     {
+         self.frame = CGRectMake(_defaultRect.origin.x,
+                                 _defaultRect.origin.y,
+                                 _defaultRect.size.width,
+                                 _defaultRect.size.height);
+     }];
+     _isZoom = NO;
+}
+
+- (void)zoomingView
+{
+    _defaultRect = self.frame;
+    [UIView animateWithDuration:0.6
+                     animations:^
+     {
+         self.frame = CGRectMake(0+_leftMargin,
+                                 0+_topMargin,
+                                 [UIScreen mainScreen].bounds.size.width
+                                 -_leftMargin
+                                 -_rightMargin,
+                                 [UIScreen mainScreen].bounds.size.height
+                                 -_topMargin
+                                 -_bottomMargin);
+     }];
+     _isZoom = YES;
+}
+#pragma mark - touch
+- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
+{
+    [self hideShadow];
+    [_delegate touchView:self];
+}
+
+- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
+{
+    [self showShadow];
+    if (_isZoom)
+    {
+        [self defaultView];
+    }
+    else
+    {
+        [self zoomingView];
+        
+    }
+}
+@end