CocoaRadioButton.m

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//
//  CocoaRadioButton.m
//  CocoaGwenGuiTest
//
//  Created by Samuel Strupp on 12.08.10.
//  Copyright 2010 Synium Software GmbH. All rights reserved.
//
 
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
 
 
#import "CocoaRadioButton.h"
 
 
@implementation CocoaRadioButton
 
- (id)initWithFrame:(NSRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
                [self setBezelStyle:NSRoundedBezelStyle];
                [self setButtonType:NSRadioButton];
                _groupManager = nil;
    }
    return self;
}
 
-(void) dealloc {
        if (_groupManager) {
                [_groupManager removeRadioButton:self];
                [_groupManager release];
        }
        [super dealloc];
}
 
-(void) computeMinWidth {
        NSSize size = [self neededTextSize];
        minWidth = size.width + 22.0;
}
 
-(void) createNewGroupManagerWithGroupID:(NSInteger)newGroupID {
        if (_groupManager) {
                [_groupManager removeRadioButton:self];
                [_groupManager release];
                _groupManager = nil;
        }
        _groupManager = [[CocoaRadioGroupManager alloc] init];
        _groupManager.groupeID = newGroupID;
        [_groupManager addRadioButton:self];
}
 
-(CocoaRadioGroupManager*) getGroupManager {
        return _groupManager;
}
 
-(void) setGroupManager:(CocoaRadioGroupManager*) newGroupManager {
        if (_groupManager) {
                [_groupManager removeRadioButton:self];
                [_groupManager release];
                _groupManager = nil;
        }
        if (newGroupManager) {
                _groupManager = [newGroupManager retain];
                [_groupManager addRadioButton:self];
        }
}
 
- (void)setState:(NSInteger)value {
        if (value == NSOnState && _groupManager) {
                [_groupManager newOnStateButtonIs:self];
        }
        [super setState:value];
}
 
-(void) clicked:(id)sender {
        if ([self state] == NSOnState && _groupManager) {
                [_groupManager newOnStateButtonIs:self];
        }
        [super clicked:sender];
}
 
/*- (void)drawRect:(NSRect)dirtyRect {
        //debug colors
    [[NSColor blueColor] set];
        NSRectFill(dirtyRect);
        [super drawRect:dirtyRect];
}*/
 
#pragma mark Protocoll Methods
 
- (NSSize) minSize {
        return NSMakeSize(minWidth, 16.0);
}
 
@end
 
 
 
@implementation CocoaRadioGroupManager
 
@synthesize groupeID;
 
- (id)init {
    self = [super init];
    if (self) {
                memberRadioButtons = [[NSPointerArray pointerArrayWithWeakObjects] retain];
    }
    return self;
}
 
-(void) dealloc {
        [memberRadioButtons release];
        [super dealloc];
}
 
-(void) removeRadioButton:(CocoaRadioButton*)buttonToRemove {
        NSUInteger i;
        NSUInteger count = [memberRadioButtons count];
        NSUInteger foundIndex = count; //ungültiger Index
        for (i=0; i<count; i++) {
                if ([memberRadioButtons pointerAtIndex:i] == buttonToRemove) {
                        foundIndex = i;
                        i = count;
                }
        }
        if (foundIndex < count) {
                [memberRadioButtons removePointerAtIndex:foundIndex];
        }
}
 
-(void) addRadioButton:(CocoaRadioButton*)buttonToAdd {
        [memberRadioButtons addPointer:buttonToAdd];
}
 
-(void) newOnStateButtonIs:(CocoaRadioButton*)newOnStateButton {
        for (CocoaRadioButton* r in memberRadioButtons) {
                if (r != newOnStateButton) {
                        [r setState:NSOffState];
                }
        }
}
 
@end