RadioButton.h

//
//  RadioButton.h
//
//  Created by Sergey Nikitenko on 3/5/13.
//  Copyright 2013 Sergey Nikitenko. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//

#import <UIKit/UIKit.h>

@interface RadioButton : UIButton

// Outlet collection of links to other buttons in the group.
@property (nonatomic, strong) IBOutletCollection(RadioButton) NSArray* groupButtons;

// Currently selected radio button in the group.
// If there are multiple buttons selected then it returns the first one.
@property (nonatomic, readonly) RadioButton* selectedButton;

// If selected==YES, then it selects the button and deselects other buttons in the group.
// If selected==NO, then it deselects the button and if there are only two buttons in the group, then it selects second.
-(void) setSelected:(BOOL)selected;

// Find first radio with given tag and makes it selected.
// All of other buttons in the group become deselected.
-(void) setSelectedWithTag:(NSInteger)tag;

-(void) deselectAllButtons;

@end