//添加一个长按响应方法
- (void)addLongPressGestureRecognizer
{
UILongPressGestureRecognizer * longPress = [[UILongPressGestureRecognizer alloc ]initWithTarget:self action:@selector(longPress:)];
[self.contentLabel addGestureRecognizer:longPress];
self.contentLabel.userInteractionEnabled = YES;
}
//长按方法的实现
- (void)longPress:(UILongPressGestureRecognizer *)sender
{
if (sender.state == UIGestureRecognizerStateBegan)
{
[self becomeFirstResponder];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(menuItemsHiden) name:UIMenuControllerWillHideMenuNotification object:nil];
UIMenuItem *copy = [[UIMenuItem alloc]initWithTitle:@"复制" action:@selector(menuCopy:)];
UIMenuItem * report = [[UIMenuItem alloc]initWithTitle:@"举报" action:@selector(menuReport:)];
UIMenuController *menu = [UIMenuController sharedMenuController];
[menu setMenuItems:@[copy,report]];
[menu setTargetRect:CGRectMake([sender locationInView:self.view].x, [sender locationInView:self.view].y, 0, 0) inView:self.view];
[menu setMenuVisible:YES animated:YES];
self.contentLabel.backgroundColor = [UIColor grayColor];
}
}
/*!
* 允许成为第一响应
*/
- (BOOL)canBecomeFirstResponder{
return YES;
}
/*!
* 用于控制哪些命令显示在编辑菜单中
*/
- (BOOL)canPerformAction:(SEL)action withSender:(id)sender{
if (action == @selector(menuCopy:)) {
return YES;
}
if (action == @selector(menuReport:)) {
return YES;
}
return NO;
}
/**
* @brief 复制的响应方法
*
* @param sender
*/
-(void)menuCopy:(id)sender
{
[UIPasteboard generalPasteboard].string = self.contentLabel.text?self.contentLabel.text:@"";
}
/**
* @brief 举报的响应方法
*
* @param sender
*/
-(void)menuReport:(id)sender
{
//跳转到举报用户添加 举报类型字段
NSLog(@"举报的响应方法");
}
- (void)menuItemsHiden
{
self.contentLabel.backgroundColor = [UIColor whiteColor];
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
//来源：http://blog.cocoachina.com/article/39466