UICopyLable
- (BOOL)canBecomeFirstResponder
{
return YES;
}
- (BOOL)canPerformAction:(SEL)action withSender:(id)sender
{
return (action == @selector(copy:));
}
- (void)copy:(id)sender
{
UIPasteboard *pboard = [UIPasteboard generalPasteboard];
pboard.string = self.text;
}
//UILabel默认是不接收事件的，我们需要自己添加touch事件
-(void)attachTapHandler
{
self.userInteractionEnabled = YES; //用户交互的总开关
UITapGestureRecognizer *touch = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleTap:)];
touch.numberOfTapsRequired = 2;
[self addGestureRecognizer:touch];
}
//绑定事件
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self)
{
[self attachTapHandler];
}
return self;
}
//同上
-(void)awakeFromNib
{
[super awakeFromNib];
[self attachTapHandler];
}
-(void)handleTap:(UIGestureRecognizer*) recognizer
{
[self becomeFirstResponder];
UIMenuItem *copyLink = [[UIMenuItem alloc] initWithTitle:@"复制"
action:@selector(copy:)];
[[UIMenuController sharedMenuController] setMenuItems:[NSArray arrayWithObjects:copyLink, nil]];
[[UIMenuController sharedMenuController] setTargetRect:self.frame inView:self.superview];
[[UIMenuController sharedMenuController] setMenuVisible:YES animated: YES];
}