princesmall/gesture

Integrated click, double click, drag, long press, zoom and other gestures, encapsulates multiple views.

Gesture

Integrated click, double click, drag, long press, zoom and other gestures, encapsulates multiple views.

/*** 1、UITapGestureRecognizer （点击）

2、UIPinchGestureRecognizer（双指）

3、UIRotationGestureRecognizer（旋转）

4、UISwipeGestureRecognizer（滑动，快速移动）

5、UIPanGestureRecognizer（拖动，慢速移动）

6、UILongPressGestureRecognizer（长按） ****/ ##/

// 手势的生成和方法看具体代码

/**** 封装了一个方法判断手势操作的view *****/

-(UIView *)selectView:(UIView *)selectView{

NSInteger  tag = selectView.tag;

if (tag == 101) {

    selectView = self.gestureView;
    
}else if (tag == 102){

    selectView = self.gestureView2;
    
}else if (tag == 103){

    selectView = self.gestureView3;
    
}

return selectView;

}

(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {

// 找到点击的view
UITouch *touch = [touches anyObject];
CGPoint  point = [touch locationInView:self.view];
UIView * fitView = [self.view hitTest:point withEvent:event];
[self selectView:fitView];

NSLog(@"pot--frame--%@",NSStringFromCGRect(fitView.frame));
originalLocation = [touch locationInView:fitView];
NSLog(@"pot--origin--%@",NSStringFromCGPoint(originalLocation));

}

-(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {

UITouch *touch = [touches anyObject];
CGPoint  point = [touch locationInView:self.view];
UIView * fitView = [self.view hitTest:point withEvent:event];
[self selectView:fitView];

CGPoint currentLocation = [touch locationInView:fitView];
CGPoint beformLocation = [touch previousLocationInView:fitView];

float x = 0.0;

float y = 0.0;

if (fitView.tag == 101 || fitView.tag ==102 ||fitView.tag == 103 ) {
    x = currentLocation.x- beformLocation.x;
    y = currentLocation.y- beformLocation.y;
}

CGFloat  width  = fitView.frame.size.width;
CGFloat  height = fitView.frame.size.height;
CGFloat  originX = fitView.frame.origin.x;
CGFloat  originY = fitView.frame.origin.y;

NSLog(@"point--originalLocation--%@",NSStringFromCGPoint(originalLocation));
NSLog(@"point--frame--%@",NSStringFromCGRect(fitView.frame));


CGFloat  widthPan = 200 / 4.0;
CGFloat  heightPan = 200 / 4.0;

if ( widthPan < originalLocation.x  && originalLocation.x< 3 *widthPan && heightPan <originalLocation.y && originalLocation.y < 3*heightPan) {
     NSLog(@"---000");
    [UIView animateWithDuration:0.1 animations:^{
        fitView.frame = CGRectMake(originX + x, originY + y, width, height);
    }];
}else
{

if (originalLocation.x < width / 2.0 && originalLocation.y < height / 2.0) {
    NSLog(@"---111");
        [UIView animateWithDuration:0.1 animations:^{
            fitView.frame= CGRectMake(originX + x, originY + y, width-x , height-y );
        }];
    
}else if (originalLocation.x > width / 2.0 && originalLocation.y < height / 2.0){
     NSLog(@"---222");
    [UIView animateWithDuration:0.1 animations:^{
        fitView.frame = CGRectMake(originX, originY + y, width +  x, height - y);
    }];
}else if (originalLocation.x < width / 2.0 && originalLocation.y > height / 2.0){
     NSLog(@"---333");
    [UIView animateWithDuration:0.1 animations:^{
        fitView.frame = CGRectMake(originX + x, originY , width - x, height  + y);
        }];
}
else if(originalLocation.x > width / 2.0 && originalLocation.y > height / 2.0){
     NSLog(@"---444");
    [UIView animateWithDuration:0.3 animations:^{
        fitView.frame= CGRectMake(originX, originY, width + x, height + y);
    }];
}

}

}