1、MJPopupBackgroundView

  • 1.1 MJPopupBackgroundView.h

    1. //
    2. //  MJPopupBackgroundView.h
    3. //  watched
    4. //
    5. //  Created by Martin Juhasz on 18.06.12.
    6. //  Copyright (c) 2012 martinjuhasz.de. All rights reserved.
    7. //
    9. #import <UIKit/UIKit.h>
    11. @interface MJPopupBackgroundView : UIView
    13. @end

  • 1.2 MJPopupBackgroundView.h

    1. //
    2. //  MJPopupBackgroundView.m
    3. //  watched
    4. //
    5. //  Created by Martin Juhasz on 18.06.12.
    6. //  Copyright (c) 2012 martinjuhasz.de. All rights reserved.
    7. //
    9. #import "MJPopupBackgroundView.h"
    11. @implementation MJPopupBackgroundView
    13. - (void)drawRect:(CGRect)rect
    14. {
    15.     CGContextRef context = UIGraphicsGetCurrentContext();
    16.     size_t locationsCount = 2;
    17.     CGFloat locations[2] = {0.0f, 1.0f};
    18.     CGFloat colors[8] = {0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.75f};
    19.     CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
    20.     CGGradientRef gradient = CGGradientCreateWithColorComponents(colorSpace, colors, locations, locationsCount);
    21.     CGColorSpaceRelease(colorSpace);
    23.     CGPoint center = CGPointMake(self.bounds.size.width/2, self.bounds.size.height/2);
    24.     float radius = MIN(self.bounds.size.width , self.bounds.size.height) ;
    25.     CGContextDrawRadialGradient (context, gradient, center, 0, center, radius, kCGGradientDrawsAfterEndLocation);
    26.     CGGradientRelease(gradient);
    27. }
    29. @end

2、UIViewController+MJPopupViewController

  • 2.1 UIViewController+MJPopupViewController.h

    1. //
    2. //  UIViewController+MJPopupViewController.h
    3. //  MJModalViewController
    4. //
    5. //  Created by Martin Juhasz on 11.05.12.
    6. //  Copyright (c) 2012 martinjuhasz.de. All rights reserved.
    7. //
    9. #import <UIKit/UIKit.h>
    11. @class MJPopupBackgroundView;
    13. typedef enum {
    14.     MJPopupViewAnimationFade = 0,
    15.     MJPopupViewAnimationSlideBottomTop = 1,
    16.     MJPopupViewAnimationSlideBottomBottom,
    17.     MJPopupViewAnimationSlideTopTop,
    18.     MJPopupViewAnimationSlideTopBottom,
    19.     MJPopupViewAnimationSlideLeftLeft,
    20.     MJPopupViewAnimationSlideLeftRight,
    21.     MJPopupViewAnimationSlideRightLeft,
    22.     MJPopupViewAnimationSlideRightRight,
    23. } MJPopupViewAnimation;
    25. @interface UIViewController (MJPopupViewController)
    27. @property (nonatomic, retain) UIViewController *mj_popupViewController;
    28. @property (nonatomic, retain) MJPopupBackgroundView *mj_popupBackgroundView;
    30. - (void)presentPopupViewController:(UIViewController*)popupViewController animationType:(MJPopupViewAnimation)animationType;
    31. - (void)presentPopupViewController:(UIViewController*)popupViewController animationType:(MJPopupViewAnimation)animationType dismissed:(void(^)(void))dismissed;
    32. - (void)dismissPopupViewControllerWithanimationType:(MJPopupViewAnimation)animationType;
    34. @end

  • 2.1 UIViewController+MJPopupViewController.m

    1. //
    2. //  UIViewController+MJPopupViewController.m
    3. //  MJModalViewController
    4. //
    5. //  Created by Martin Juhasz on 11.05.12.
    6. //  Copyright (c) 2012 martinjuhasz.de. All rights reserved.
    7. //
    9. #import "UIViewController+MJPopupViewController.h"
    10. #import <QuartzCore/QuartzCore.h>
    11. #import "MJPopupBackgroundView.h"
    12. #import <objc/runtime.h>
    14. #define kPopupModalAnimationDuration 0.35
    15. #define kMJPopupViewController @"kMJPopupViewController"
    16. #define kMJPopupBackgroundView @"kMJPopupBackgroundView"
    17. #define kMJSourceViewTag 23941
    18. #define kMJPopupViewTag 23942
    19. #define kMJOverlayViewTag 23945
    21. @interface UIViewController (MJPopupViewControllerPrivate)
    23. - (UIView*)topView;
    24. - (void)presentPopupView:(UIView*)popupView;
    25. @end
    27. static NSString *MJPopupViewDismissedKey = @"MJPopupViewDismissed";
    28. static BOOL boards = NO;
    29. static BOOL MJPopupViewisShow = NO;
    30. ////////////////////////////////////////////////////////////////////////////
    31. #pragma mark -
    32. #pragma mark Public
    34. @implementation UIViewController (MJPopupViewController)
    36. static void * const keypath = (void*)&keypath;
    38. - (UIViewController*)mj_popupViewController {
    39.     return objc_getAssociatedObject(self, kMJPopupViewController);
    40. }
    42. - (void)setMj_popupViewController:(UIViewController *)mj_popupViewController {
    43.     objc_setAssociatedObject(self, kMJPopupViewController, mj_popupViewController, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
    45. }
    47. - (MJPopupBackgroundView*)mj_popupBackgroundView {
    48.     return objc_getAssociatedObject(self, kMJPopupBackgroundView);
    49. }
    51. - (void)setMj_popupBackgroundView:(MJPopupBackgroundView *)mj_popupBackgroundView {
    52.     objc_setAssociatedObject(self, kMJPopupBackgroundView, mj_popupBackgroundView, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
    54. }
    56. - (void)presentPopupViewController:(UIViewController*)popupViewController animationType:(MJPopupViewAnimation)animationType dismissed:(void(^)(void))dismissed
    57. {
    58.     if (!MJPopupViewisShow) {
    59.         MJPopupViewisShow = YES;
    60.         self.mj_popupViewController = popupViewController;
    61.         [self presentPopupView:popupViewController.view animationType:animationType dismissed:dismissed];
    62.     }
    63. }
    65. - (void)presentPopupViewController:(UIViewController*)popupViewController animationType:(MJPopupViewAnimation)animationType
    66. {
    67.      [self presentPopupViewController:popupViewController animationType:animationType dismissed:nil];
    68. }
    70. - (void)dismissPopupViewControllerWithanimationType:(MJPopupViewAnimation)animationType
    71. {
    72.     MJPopupViewisShow = NO;
    73.     [[NSNotificationCenter defaultCenter] postNotificationName:@"MJPopupViewDismiss" object:nil];
    74.     UIView *sourceView = [self topView];
    75.     if (sourceView.tag != kMJSourceViewTag && sourceView.tag == kMJPopupViewTag) {
    76.         sourceView = [sourceView superview];
    77.     }
    78.     UIView *popupView = [sourceView viewWithTag:kMJPopupViewTag];
    79.     UIView *overlayView = [sourceView viewWithTag:kMJOverlayViewTag];
    81.     switch (animationType) {
    82.         case MJPopupViewAnimationSlideBottomTop:
    83.         case MJPopupViewAnimationSlideBottomBottom:
    84.         case MJPopupViewAnimationSlideTopTop:
    85.         case MJPopupViewAnimationSlideTopBottom:
    86.         case MJPopupViewAnimationSlideLeftLeft:
    87.         case MJPopupViewAnimationSlideLeftRight:
    88.         case MJPopupViewAnimationSlideRightLeft:
    89.         case MJPopupViewAnimationSlideRightRight:
    90.             [self slideViewOut:popupView sourceView:sourceView overlayView:overlayView withAnimationType:animationType];
    91.             break;
    93.         default:
    94.             [self fadeViewOut:popupView sourceView:sourceView overlayView:overlayView];
    95.             break;
    96.     }
    97. }
    99. ////////////////////////////////////////////////////////////////////////////
    100. #pragma mark -
    101. #pragma mark View Handling
    103. - (void)presentPopupView:(UIView*)popupView animationType:(MJPopupViewAnimation)animationType
    104. {
    105.     if (!MJPopupViewisShow) {
    106.         MJPopupViewisShow = YES;
    107.         [self presentPopupView:popupView animationType:animationType dismissed:nil];
    108.     }
    109. }
    111. - (void)keyboardAppearanced
    112. {
    113.     boards = YES;
    114. }
    116. - (void)keyboardDismissed
    117. {
    118.     boards = NO;
    119. }
    121. - (void)presentPopupView:(UIView*)popupView animationType:(MJPopupViewAnimation)animationType dismissed:(void(^)(void))dismissed
    122. {
    123.     boards = NO;
    124.     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardAppearanced) name:UIKeyboardDidShowNotification object:nil];
    125.     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardDismissed) name:UIKeyboardDidHideNotification object:nil];
    127.     UIView *sourceView = [self topView];
    128.     sourceView.tag = kMJSourceViewTag;
    129.     popupView.autoresizingMask = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin |UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleRightMargin;
    130.     popupView.tag = kMJPopupViewTag;
    132.     // check if source view controller is not in destination
    133.     if ([sourceView.subviews containsObject:popupView]) return;
    135.     // customize popupView
    136.     popupView.layer.shadowPath = [UIBezierPath bezierPathWithRect:popupView.bounds].CGPath;
    137.     popupView.layer.masksToBounds = YES;
    138.     popupView.layer.shadowOffset = CGSizeMake(5, 5);
    139.     popupView.layer.shadowRadius = 5;
    140.     popupView.layer.shadowOpacity = 0.5;
    141.     popupView.layer.cornerRadius = 5;
    142.     popupView.layer.shouldRasterize = YES;
    143.     popupView.layer.rasterizationScale = [[UIScreen mainScreen] scale];
    145.     // Add semi overlay
    146.     UIView *overlayView = [[UIView alloc] initWithFrame:sourceView.bounds];
    147.     overlayView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
    148.     overlayView.tag = kMJOverlayViewTag;
    149.     overlayView.backgroundColor = [UIColor clearColor];
    151.     // BackgroundView
    152.     self.mj_popupBackgroundView = [[MJPopupBackgroundView alloc] initWithFrame:sourceView.bounds];
    153.     self.mj_popupBackgroundView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
    154.     self.mj_popupBackgroundView.backgroundColor = [UIColor clearColor];
    155.     self.mj_popupBackgroundView.alpha = 0.0f;
    156.     [overlayView addSubview:self.mj_popupBackgroundView];
    158.     // Make the Background Clickable
    159.     UIButton * dismissButton = [UIButton buttonWithType:UIButtonTypeCustom];
    160.     dismissButton.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
    161.     dismissButton.backgroundColor = [UIColor clearColor];
    162.     dismissButton.frame = sourceView.bounds;
    163.     [overlayView addSubview:dismissButton];
    165.     popupView.alpha = 0.0f;
    166.     [overlayView addSubview:popupView];
    167.     [sourceView addSubview:overlayView];
    169.     [dismissButton addTarget:self action:@selector(dismissPopupViewControllerWithanimation:) forControlEvents:UIControlEventTouchUpInside];
    170.     switch (animationType) {
    171.         case MJPopupViewAnimationSlideBottomTop:
    172.         case MJPopupViewAnimationSlideBottomBottom:
    173.         case MJPopupViewAnimationSlideTopTop:
    174.         case MJPopupViewAnimationSlideTopBottom:
    175.         case MJPopupViewAnimationSlideLeftLeft:
    176.         case MJPopupViewAnimationSlideLeftRight:
    177.         case MJPopupViewAnimationSlideRightLeft:
    178.         case MJPopupViewAnimationSlideRightRight:
    179.             dismissButton.tag = animationType;
    180.             [self slideViewIn:popupView sourceView:sourceView overlayView:overlayView withAnimationType:animationType];
    181.             break;
    182.         default:
    183.             dismissButton.tag = MJPopupViewAnimationFade;
    184.             [self fadeViewIn:popupView sourceView:sourceView overlayView:overlayView];
    185.             break;
    186.     }
    188.     [self setDismissedCallback:dismissed];
    189. }
    191. - (UIView*)topView {
    192.     UIViewController *recentView = self;
    194.     while (recentView.parentViewController != nil) {
    195.         recentView = recentView.parentViewController;
    196.     }
    197.     return recentView.view;
    198. }
    200. - (void)dismissPopupViewControllerWithanimation:(id)sender
    201. {
    202.     if (boards)
    203.     {
    204.         [[NSNotificationCenter defaultCenter] postNotificationName:@"disMissKeyBoard" object:nil];
    205.         return ;
    206.     }
    207.     if ([sender isKindOfClass:[UIButton class]]) {
    208.         UIButton* dismissButton = sender;
    209.         switch (dismissButton.tag) {
    210.             case MJPopupViewAnimationSlideBottomTop:
    211.             case MJPopupViewAnimationSlideBottomBottom:
    212.             case MJPopupViewAnimationSlideTopTop:
    213.             case MJPopupViewAnimationSlideTopBottom:
    214.             case MJPopupViewAnimationSlideLeftLeft:
    215.             case MJPopupViewAnimationSlideLeftRight:
    216.             case MJPopupViewAnimationSlideRightLeft:
    217.             case MJPopupViewAnimationSlideRightRight:
    218.                 [self dismissPopupViewControllerWithanimationType:(int)dismissButton.tag];
    219.                 break;
    220.             default:
    221.                 [self dismissPopupViewControllerWithanimationType:MJPopupViewAnimationFade];
    222.                 break;
    223.         }
    224.     } else {
    225.         [self dismissPopupViewControllerWithanimationType:MJPopupViewAnimationFade];
    226.     }
    227. }
    229. //////////////////////////////////////////////////////////////////////////////
    230. #pragma mark -
    231. #pragma mark Animations
    233. #pragma mark --- Slide
    235. - (void)slideViewIn:(UIView*)popupView sourceView:(UIView*)sourceView overlayView:(UIView*)overlayView withAnimationType:(MJPopupViewAnimation)animationType
    236. {
    237.     // Generating Start and Stop Positions
    238.     CGSize sourceSize = sourceView.bounds.size;
    239.     CGSize popupSize = popupView.bounds.size;
    240.     CGRect popupStartRect;
    241.     switch (animationType) {
    242.         case MJPopupViewAnimationSlideBottomTop:
    243.         case MJPopupViewAnimationSlideBottomBottom:
    244.             popupStartRect = CGRectMake((sourceSize.width - popupSize.width) / 2,
    245.                                         sourceSize.height,
    246.                                         popupSize.width,
    247.                                         popupSize.height);
    249.             break;
    250.         case MJPopupViewAnimationSlideLeftLeft:
    251.         case MJPopupViewAnimationSlideLeftRight:
    252.             popupStartRect = CGRectMake(-sourceSize.width,
    253.                                         (sourceSize.height - popupSize.height) / 2,
    254.                                         popupSize.width,
    255.                                         popupSize.height);
    256.             break;
    258.         case MJPopupViewAnimationSlideTopTop:
    259.         case MJPopupViewAnimationSlideTopBottom:
    260.             popupStartRect = CGRectMake((sourceSize.width - popupSize.width) / 2,
    261.                                         -popupSize.height,
    262.                                         popupSize.width,
    263.                                         popupSize.height);
    264.             break;
    266.         default:
    267.             popupStartRect = CGRectMake(sourceSize.width,
    268.                                         (sourceSize.height - popupSize.height) / 2,
    269.                                         popupSize.width,
    270.                                         popupSize.height);
    271.             break;
    272.     }
    273.     CGRect popupEndRect = CGRectMake((sourceSize.width - popupSize.width) / 2,
    274.                                      (sourceSize.height - popupSize.height) / 2,
    275.                                      popupSize.width,
    276.                                      popupSize.height);
    278.     // Set starting properties
    279.     popupView.frame = popupStartRect;
    280.     popupView.alpha = 1.0f;
    281.     [UIView animateWithDuration:kPopupModalAnimationDuration delay:0.0f options:UIViewAnimationOptionCurveEaseOut animations:^{
    282.         [self.mj_popupViewController viewWillAppear:NO];
    283.         self.mj_popupBackgroundView.alpha = 1.0f;
    284.         popupView.frame = popupEndRect;
    285.     } completion:^(BOOL finished) {
    286.         [self.mj_popupViewController viewDidAppear:NO];
    287.     }];
    288. }
    290. - (void)slideViewOut:(UIView*)popupView sourceView:(UIView*)sourceView overlayView:(UIView*)overlayView withAnimationType:(MJPopupViewAnimation)animationType
    291. {
    292.     // Generating Start and Stop Positions
    293.     CGSize sourceSize = sourceView.bounds.size;
    294.     CGSize popupSize = popupView.bounds.size;
    295.     CGRect popupEndRect;
    296.     switch (animationType) {
    297.         case MJPopupViewAnimationSlideBottomTop:
    298.         case MJPopupViewAnimationSlideTopTop:
    299.             popupEndRect = CGRectMake((sourceSize.width - popupSize.width) / 2,
    300.                                       -popupSize.height,
    301.                                       popupSize.width,
    302.                                       popupSize.height);
    303.             break;
    304.         case MJPopupViewAnimationSlideBottomBottom:
    305.         case MJPopupViewAnimationSlideTopBottom:
    306.             popupEndRect = CGRectMake((sourceSize.width - popupSize.width) / 2,
    307.                                       sourceSize.height,
    308.                                       popupSize.width,
    309.                                       popupSize.height);
    310.             break;
    311.         case MJPopupViewAnimationSlideLeftRight:
    312.         case MJPopupViewAnimationSlideRightRight:
    313.             popupEndRect = CGRectMake(sourceSize.width,
    314.                                       popupView.frame.origin.y,
    315.                                       popupSize.width,
    316.                                       popupSize.height);
    317.             break;
    318.         default:
    319.             popupEndRect = CGRectMake(-popupSize.width,
    320.                                       popupView.frame.origin.y,
    321.                                       popupSize.width,
    322.                                       popupSize.height);
    323.             break;
    324.     }
    326.     [UIView animateWithDuration:kPopupModalAnimationDuration delay:0.0f options:UIViewAnimationOptionCurveEaseIn animations:^{
    327.         [self.mj_popupViewController viewWillDisappear:NO];
    328.         popupView.frame = popupEndRect;
    329.         self.mj_popupBackgroundView.alpha = 0.0f;
    330.     } completion:^(BOOL finished) {
    331.         [popupView removeFromSuperview];
    332.         [overlayView removeFromSuperview];
    333.         [self.mj_popupViewController viewDidDisappear:NO];
    334.         self.mj_popupViewController = nil;
    336.         id dismissed = [self dismissedCallback];
    337.         if (dismissed != nil)
    338.         {
    339.             ((void(^)(void))dismissed)();
    340.             [self setDismissedCallback:nil];
    341.         }
    342.     }];
    343. }
    345. #pragma mark --- Fade
    346. - (void)fadeViewIn:(UIView*)popupView sourceView:(UIView*)sourceView overlayView:(UIView*)overlayView
    347. {
    348.     // Generating Start and Stop Positions
    349.     CGSize sourceSize = sourceView.bounds.size;
    350.     CGSize popupSize = popupView.bounds.size;
    351.     CGRect popupEndRect = CGRectMake((sourceSize.width - popupSize.width) / 2,
    352.                                      (sourceSize.height - popupSize.height) / 2,
    353.                                      popupSize.width,
    354.                                      popupSize.height);
    356.     // Set starting properties
    357.     popupView.frame = popupEndRect;
    358.     popupView.alpha = 0.0f;
    360.     [UIView animateWithDuration:kPopupModalAnimationDuration animations:^{
    361.         [self.mj_popupViewController viewWillAppear:NO];
    362.         self.mj_popupBackgroundView.alpha = 0.5f;
    363.         popupView.alpha = 1.0f;
    364.     } completion:^(BOOL finished) {
    365.         [self.mj_popupViewController viewDidAppear:NO];
    366.     }];
    367. }
    369. - (void)fadeViewOut:(UIView*)popupView sourceView:(UIView*)sourceView overlayView:(UIView*)overlayView
    370. {
    371.     [UIView animateWithDuration:kPopupModalAnimationDuration animations:^{
    372.         [self.mj_popupViewController viewWillDisappear:NO];
    373.         self.mj_popupBackgroundView.alpha = 0.0f;
    374.         popupView.alpha = 0.0f;
    375.     } completion:^(BOOL finished) {
    376.         [popupView removeFromSuperview];
    377.         [overlayView removeFromSuperview];
    378.         [self.mj_popupViewController viewDidDisappear:NO];
    379.         self.mj_popupViewController = nil;
    381.         id dismissed = [self dismissedCallback];
    382.         if (dismissed != nil)
    383.         {
    384.             ((void(^)(void))dismissed)();
    385.             [self setDismissedCallback:nil];
    386.         }
    387.     }];
    388. }
    390. #pragma mark - Category Accessors
    392. #pragma mark --- Dismissed
    394. - (void)setDismissedCallback:(void(^)(void))dismissed
    395. {
    396.     objc_setAssociatedObject(self, &MJPopupViewDismissedKey, dismissed, OBJC_ASSOCIATION_RETAIN);
    397. }
    399. - (void(^)(void))dismissedCallback
    400. {
    401.     return objc_getAssociatedObject(self, &MJPopupViewDismissedKey);
    402. }
    404. @end

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