#import <UIKit/UIKit.h>
@interface LFRadioButton : UIControl
-(void)setChecked:(BOOL)boolValue;
-(void)setDisabled:(BOOL)boolValue;
-(void)setText:(NSString *)stringValue;
@property(nonatomic, assign)BOOL checked;
@property(nonatomic, assign)BOOL disabled;
@property(nonatomic, strong)NSString *text;
@end
#import "LFRadioButton.h"
@interface LFRadioButton (){
BOOL loaded;
}
@property(nonatomic, strong)UILabel *textLabel;
@end
@implementation LFRadioButton
@synthesize checked = _checked;
@synthesize disabled = _disabled;
@synthesize text = _text;
@synthesize textLabel = _textLabel;
-(void)awakeFromNib {
self.backgroundColor = [UIColor clearColor];
}
-(void)drawRect:(CGRect)rect {
UIImage *image = [UIImage imageNamed:[NSString stringWithFormat:@"%@checked.png", (self.checked) ? @"" : @"un"]];
[image drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
if(self.disabled) {
self.userInteractionEnabled = FALSE;
self.alpha = 0.7f;
} else {
self.userInteractionEnabled = TRUE;
self.alpha = 1.0f;
}
if(self.text) {
if(!loaded) {
_textLabel = [[UILabel alloc] initWithFrame:CGRectMake(self.frame.size.width + 5, 0, 1024, 30)];
_textLabel.backgroundColor = [UIColor clearColor];
[self addSubview:_textLabel];
loaded = TRUE;
}
_textLabel.text = self.text;
}
}
-(BOOL)beginTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)event {
[self setChecked:!self.checked];
return TRUE;
}
-(void)setChecked:(BOOL)boolValue {
_checked = boolValue;
[self setNeedsDisplay];
}
-(void)setDisabled:(BOOL)boolValue {
_disabled = boolValue;
[self setNeedsDisplay];
}
-(void)setText:(NSString *)stringValue {
_text = stringValue;
[self setNeedsDisplay];
}
@end
It's simple!
Don't forget add the images checked an uncheked.
=)
Vitor Yudi Hansen
