// // SwipeView.m // SwipeTableView // // Created by zhao on 16/8/29. // Copyright © 2016年 zhaoName. All rights reserved. // #import "SwipeView.h" #import "SwipeButton.h" #import "SwipeTableCell.h" static inline CGFloat mgEaseLinear(CGFloat t, CGFloat b, CGFloat c) { return c*t + b; } static inline CGFloat mgEaseInQuad(CGFloat t, CGFloat b, CGFloat c) { return c*t*t + b; } static inline CGFloat mgEaseOutQuad(CGFloat t, CGFloat b, CGFloat c) { return -c*t*(t-2) + b; } static inline CGFloat mgEaseInOutQuad(CGFloat t, CGFloat b, CGFloat c) { if ((t*=2) < 1) return c/2*t*t + b; --t; return -c/2 * (t*(t-2) - 1) + b; } static inline CGFloat mgEaseInCubic(CGFloat t, CGFloat b, CGFloat c) { return c*t*t*t + b; } static inline CGFloat mgEaseOutCubic(CGFloat t, CGFloat b, CGFloat c) { --t; return c*(t*t*t + 1) + b; } static inline CGFloat mgEaseInOutCubic(CGFloat t, CGFloat b, CGFloat c) { if ((t*=2) < 1) return c/2*t*t*t + b; t-=2; return c/2*(t*t*t + 2) + b; } static inline CGFloat mgEaseOutBounce(CGFloat t, CGFloat b, CGFloat c) { if (t < (1/2.75)) { return c*(7.5625*t*t) + b; } else if (t < (2/2.75)) { t-=(1.5/2.75); return c*(7.5625*t*t + .75) + b; } else if (t < (2.5/2.75)) { t-=(2.25/2.75); return c*(7.5625*t*t + .9375) + b; } else { t-=(2.625/2.75); return c*(7.5625*t*t + .984375) + b; } }; static inline CGFloat mgEaseInBounce(CGFloat t, CGFloat b, CGFloat c) { return c - mgEaseOutBounce (1.0 -t, 0, c) + b; }; static inline CGFloat mgEaseInOutBounce(CGFloat t, CGFloat b, CGFloat c) { if (t < 0.5) return mgEaseInBounce (t*2, 0, c) * .5 + b; return mgEaseOutBounce (1.0 - t*2, 0, c) * .5 + c*.5 + b; }; @interface SwipeView () @property (nonatomic, strong) UIView *containView; /**< 装swipeButton的容器*/ @property (nonatomic, strong) NSArray *buttonArray; /**< 重新排序后的buttons*/ @property (nonatomic, assign) UIEdgeInsets btnEdge; /**< swipeBtn间距*/ @end @implementation SwipeView - (instancetype)initWithButtons:(NSArray *)buttos fromRight:(BOOL)fromRight cellHeght:(CGFloat)cellHeight edge:(UIEdgeInsets)edge { CGFloat containerWidth = 0; CGFloat horizontalSpace = ABS(edge.left) + ABS(edge.right); CGFloat verticalSpace = ABS(edge.top) + ABS(edge.bottom); // 计算buttons的总宽度 for(SwipeButton *button in buttos){ containerWidth += MAX(button.frame.size.width, cellHeight - verticalSpace); } // 加上左右间距 containerWidth += horizontalSpace; if([super initWithFrame:CGRectMake(0, 0, containerWidth, cellHeight - verticalSpace)]) { self.btnEdge = edge; self.duration = 0.3; self.easingFunction = MGSwipeEasingFunctionCubicOut; self.containView.frame = CGRectMake(0, ABS(edge.top), containerWidth, cellHeight - verticalSpace); // 若是右滑 则倒序。即将数组的最后一个元素放在swipeView的最后 self.buttonArray = fromRight ? [[buttos reverseObjectEnumerator] allObjects] : buttos; [self addSubview:self.containView]; CGFloat offset = ABS(edge.left); for(SwipeButton *button in self.buttonArray) { button.frame = CGRectMake(offset, 0, MAX(button.frame.size.width, cellHeight - verticalSpace), cellHeight - verticalSpace); offset += button.frame.size.width; // 防止重用问题，移除点击事件 [button removeTarget:self action:@selector(touchSwipeButton:) forControlEvents:UIControlEventTouchUpInside]; [button addTarget:self action:@selector(touchSwipeButton:) forControlEvents:UIControlEventTouchUpInside]; // 直接用addSubview会覆盖左滑的动画效果 [self.containView insertSubview:button atIndex:fromRight ? self.containView.subviews.count : 0]; } } return self; } /** * 点击滑动按钮的响应事件 */ - (void)touchSwipeButton:(SwipeButton *)btn { // 点击按钮隐藏滑动按钮，即将cell恢复原状 [self hideSwipeView]; // 点击按钮的回调事件 btn.touchBlock(); } /** * 点击SwipeButton隐藏SwipeView，即将cell恢复原状 */ - (void)hideSwipeView { SwipeTableCell *cell = nil; UIView *view = self.superview; while (view != nil) { if([view isKindOfClass:[SwipeTableCell class]]) { cell = (SwipeTableCell *)view; break; } view = view.superview; } if(cell.swipeDelegate && [cell.swipeDelegate respondsToSelector:@selector(hideSwipeViewWhenClickSwipeButtonAtCell:)]) { cell.hideSwipeViewWhenClickSwipeButton = [cell.swipeDelegate hideSwipeViewWhenClickSwipeButtonAtCell:cell]; } [cell hiddenSwipeAnimationAtCell:cell.hideSwipeViewWhenClickSwipeButton]; } #pragma mark -- 动画效果 // 手势动画效果 -(CGFloat)value:(CGFloat)elapsed duration:(CGFloat)duration from:(CGFloat)from to:(CGFloat)to { CGFloat t = MIN(elapsed/duration, 1.0f); if (t == 1.0) { return to; } CGFloat (*easingFunction)(CGFloat t, CGFloat b, CGFloat c) = 0; switch (_easingFunction) { case MGSwipeEasingFunctionLinear: easingFunction = mgEaseLinear; break; case MGSwipeEasingFunctionQuadIn: easingFunction = mgEaseInQuad; break; case MGSwipeEasingFunctionQuadOut: easingFunction = mgEaseOutQuad; break; case MGSwipeEasingFunctionQuadInOut: easingFunction = mgEaseInOutQuad; break; case MGSwipeEasingFunctionCubicIn: easingFunction = mgEaseInCubic; break; default: case MGSwipeEasingFunctionCubicOut: easingFunction = mgEaseOutCubic;break; case MGSwipeEasingFunctionCubicInOut: easingFunction = mgEaseInOutCubic;break; case MGSwipeEasingFunctionBounceIn: easingFunction = mgEaseInBounce;break; case MGSwipeEasingFunctionBounceOut: easingFunction = mgEaseOutBounce;break; case MGSwipeEasingFunctionBounceInOut: easingFunction = mgEaseInOutBounce;break; } return (*easingFunction)(t, from, to - from); } // swipeView的弹出动画效果 - (void)swipeViewAnimationFromRight:(BOOL)fromRight effect:(CGFloat)t cellHeight:(CGFloat)cellHeight { CGFloat verticalSpace = self.btnEdge.top + self.btnEdge.bottom; switch (self.mode) { case SwipeViewTransfromModeDefault:break; // 默认的效果 case SwipeViewTransfromModeStatic: { const CGFloat dx = self.bounds.size.width * (1.0 - t); CGFloat offsetX = ABS(self.btnEdge.left); for (UIView *button in self.buttonArray) { CGRect frame = button.frame; frame.origin.x = offsetX + (fromRight ? -dx : dx); button.frame = frame; offsetX += frame.size.width; } } break; case SwipeViewTransfromModeBorder: // 渐出 { CGFloat selfWidth = self.bounds.size.width; CGFloat offsetX = ABS(self.btnEdge.left); for (SwipeButton *button in self.buttonArray) { CGRect frame = button.frame; CGFloat x = fromRight ? offsetX * t : (selfWidth - MAX(frame.size.width, cellHeight - verticalSpace) - offsetX) * (1.0 - t) + offsetX; button.frame = CGRectMake(x, 0, MAX(frame.size.width, cellHeight - verticalSpace), cellHeight - verticalSpace); offsetX += MAX(frame.size.width, cellHeight - verticalSpace); } } break; case SwipeViewTransfromMode3D: // 3D { const CGFloat invert = fromRight ? -1.0 : 1.0; const CGFloat angle = M_PI_2 * (1.0 - t) * invert; CATransform3D transform = CATransform3DIdentity; transform.m34 = -1.0/400.0f; const CGFloat dx = -_containView.frame.size.width * 0.5 * invert; const CGFloat offset = dx * 2 * (1.0-t); transform = CATransform3DTranslate(transform, dx - offset, 0, 0); transform = CATransform3DRotate(transform, angle, 0.0, 1.0, 0.0); transform = CATransform3DTranslate(transform, -dx, 0, 0); self.containView.layer.transform = transform; } break; } } - (void)removeAllSubViewsAtView:(UIView *)view { while (view.subviews.count) { [[view.subviews lastObject] removeFromSuperview]; } } #pragma mark -- 懒加载 - (UIView *)containView { if(!_containView) { _containView = [[UIView alloc] initWithFrame:self.bounds]; _containView.backgroundColor = [UIColor clearColor]; _containView.clipsToBounds = YES; } return _containView; } - (NSArray *)buttonArray { if(!_buttonArray) { _buttonArray = [NSArray array]; } return _buttonArray; } @end