forked from mirrors/linphone-iphone
87 lines
2.6 KiB
Objective-C
87 lines
2.6 KiB
Objective-C
/* UIToggleButton.m
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*
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* Copyright (C) 2011 Belledonne Comunications, Grenoble, France
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#import "UIToggleButton.h"
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@implementation UIToggleButton
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-(void) touchUp:(id) sender {
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[self toggle];
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}
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-(bool) isOn {
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return mIsOn;
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}
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-(bool) toggle {
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if (mIsOn) {
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[self setImage:mOffImage forState:UIControlStateNormal];
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mIsOn=!mIsOn;
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[self onOff];
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} else {
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[self setImage:mOnImage forState:UIControlStateNormal];
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mIsOn=!mIsOn;
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[self onOn];
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}
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return mIsOn;
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}
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-(bool) reset {
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mIsOn = [self isInitialStateOn];
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[self setImage:mIsOn?mOnImage:mOffImage forState:UIControlStateNormal];
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return mIsOn;
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}
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-(void) initWithOnImage:(UIImage*) onImage offImage:(UIImage*) offImage {
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mOnImage = [onImage retain];
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mOffImage = [offImage retain];
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mIsOn=false;
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[self reset];
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[self addTarget:self action:@selector(touchUp:) forControlEvents:UIControlEventTouchUpInside];
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}
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/*
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// Only override drawRect: if you perform custom drawing.
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// An empty implementation adversely affects performance during animation.
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- (void)drawRect:(CGRect)rect {
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// Drawing code.
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}
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*/
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- (void)dealloc {
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[super dealloc];
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[mOffImage release];
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[mOffImage release];
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}
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-(void) onOn {
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[NSException raise:NSInternalInconsistencyException
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format:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)];
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}
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-(void) onOff {
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[NSException raise:NSInternalInconsistencyException
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format:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)];
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}
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-(bool) isInitialStateOn {
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[NSException raise:NSInternalInconsistencyException
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format:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)];
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return false;
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}
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@end
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