panGesture

PanGestureRecognizer

UIPanGestureRecognizer *panGesture = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panGestureHandler:)];
		[panGesture setMinimumNumberOfTouches:1];
		[self.currentlistPageController.listPageView.planTableView addGestureRecognizer:panGesture];





- (void)panGestureHandler:(UIPanGestureRecognizer *)sender {
	static double transitionOriginX;
	static double transitionOriginY;
	
	static double noticeViewY;
	static double planTableViewY;
	static double weatherViewY;
	static double backgroundWeatherViewY;
	
	typedef NS_ENUM (NSUInteger, PanDirection) {
		NoDirection,
		XDirection,
		YDirection,
	};
	static PanDirection dir;
	
	if (sender.state == UIGestureRecognizerStateBegan) {
		dir = NoDirection;
		
		transitionOriginX = [sender translationInView:self].x;
		transitionOriginY = [sender translationInView:self].y;
		
		noticeViewY = self.currentlistPageController.listPageView.planTableView.noticeView.y;
		weatherViewY = self.currentlistPageController.listPageView.planTableView.weatherView.y;
		planTableViewY = self.currentlistPageController.listPageView.planTableView.y;
		backgroundWeatherViewY = self.currentlistPageController.listPageView.backgroundWeatherView.y;
	}
	
	if (sender.state == UIGestureRecognizerStateChanged) {
		
		CGPoint translation = [sender translationInView:self];
		double translationX = translation.x;
		double translationY = translation.y;
		if (dir == NoDirection) {
			if (ABS(translationX - transitionOriginX) < ABS(translationY - transitionOriginY)) {
				dir = YDirection;
			}
			else{
				dir = XDirection;
			}
		}
		
		if (dir == XDirection) {
			//			NSLog(@"XDirection");
			
		}
		
		if (dir == YDirection) {
			//			NSLog(@"YDirection");
			double globalAlpha = 1 - ABS(self.currentlistPageController.listPageView.planTableView.y - planTableViewY)/100;
			if (self.currentlistPageController.listPageView.planTableView.y - planTableViewY > 0) {
				self.currentlistPageController.listPageView.planTableView.alpha = globalAlpha;
				[self viewController].navigationController.navigationBar.alpha = globalAlpha;
				self.currentlistPageController.listPageView.backgroundWeatherView.alpha = 1 - globalAlpha;
				
				
				
				
			}
			
			self.currentlistPageController.listPageView.planTableView.weatherView.alpha = globalAlpha;
			self.currentlistPageController.listPageView.planTableView.y += translationY/2;
			self.currentlistPageController.listPageView.planTableView.weatherView.y -= translationY/3;
			self.currentlistPageController.listPageView.backgroundWeatherView.y -= translationY/6;
			
		}
		
		
		[sender setTranslation:CGPointZero inView:self];
	}
	
	if (sender.state == UIGestureRecognizerStateEnded) {
		dir = NoDirection;
		
		
		[UIView animateWithDuration:0.3 animations:^{
			self.currentlistPageController.listPageView.planTableView.noticeView.y = noticeViewY;
			self.currentlistPageController.listPageView.planTableView.weatherView.y = weatherViewY;
			self.currentlistPageController.listPageView.backgroundWeatherView.y = backgroundWeatherViewY;
			self.currentlistPageController.listPageView.planTableView.y = planTableViewY;
			
			self.currentlistPageController.listPageView.planTableView.alpha = 1;
			self.currentlistPageController.listPageView.planTableView.weatherView.alpha =1;
			self.currentlistPageController.listPageView.planTableView.noticeView.alpha =1;
			[self viewController].navigationController.navigationBar.alpha = 1;
			self.currentlistPageController.listPageView.backgroundWeatherView.alpha = 0;
			
			if (self.currentlistPageController.listPageView.planTableView.noticeView.y - noticeViewY <= 0) {
				self.currentlistPageController.listPageView.backgroundWeatherView.alpha = 0;
			}
			
			
			
		} completion:^(BOOL finished) {
		 
		}];
	}
	
}