Image navigation.
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@ -8,6 +8,12 @@
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#import "ReaderView.h"
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@interface ReaderView ()
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@property (nonatomic, assign) int currentIndex;
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@end
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@implementation ReaderView
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- (id)initWithFrame:(CGRect)frame
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@ -20,16 +26,44 @@
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}
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/*
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// Only override drawRect: if you perform custom drawing.
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// An empty implementation adversely affects performance during animation.
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- (void)drawRect:(CGRect)rect
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{
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// Drawing code
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}
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*/
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// Only override drawRect: if you perform custom drawing.
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// An empty implementation adversely affects performance during animation.
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- (void)drawRect:(CGRect)rect
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{
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// Drawing code
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}
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*/
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-(void)displayPageAtIndex:(int)index
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{
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UIView * view = [self.delegate pageAtIndex:index];
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[self addSubview:view];
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if (index >= 0 && index < [self.delegate numberOfPages]) {
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UIView * view = [self.delegate pageAtIndex:index];
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[self addSubview:view];
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self.currentIndex = index;
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}
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}
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- (void)layoutSubviews
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{
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if (!self.gestureRecognizers.count) {
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UISwipeGestureRecognizer * previousPageRecognizer =
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[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(previousPage)];
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previousPageRecognizer.direction = UISwipeGestureRecognizerDirectionRight;
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[self addGestureRecognizer:previousPageRecognizer];
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UISwipeGestureRecognizer * nextPageRecognizer =
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[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(nextPage)];
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nextPageRecognizer.direction = UISwipeGestureRecognizerDirectionLeft;
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[self addGestureRecognizer:nextPageRecognizer];
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self.userInteractionEnabled = YES;
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}
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}
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- (void) previousPage
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{
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[self displayPageAtIndex:self.currentIndex-1];
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}
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- (void) nextPage
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{
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[self displayPageAtIndex:self.currentIndex+1];
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}
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@end
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