# import "CustomAlertView.h" @interface CustomAlertView() { BOOL _isShow; } @property (nonatomic, retain) NSString *cancelButtonTitle; @property (nonatomic, retain) NSMutableArray *otherButtonTitles; @end @implementation CustomAlertView static const CGFloat mWidth = 290 ; static const CGFloat mHeight = 180 ; static const CGFloat mMaxHeight = 250 ; static const CGFloat mBtnHeight = 30 ; static const CGFloat mBtnWidth = 110 ; static const CGFloat mHeaderHeight = 40 ; + (CustomAlertView *)defaultAlert { static CustomAlertView *shareCenter = nil; if (!shareCenter) { shareCenter = [[CustomAlertView alloc] init]; } return shareCenter; } - (NSMutableArray *)customerViewsToBeAdd { if (_customerViewsToBeAdd == nil) { _customerViewsToBeAdd = [[NSMutableArray alloc] init]; } return _customerViewsToBeAdd; } - (id)init { self = [ super initWithFrame:CGRectMake( , , SCREEN_WIDTH, SCREEN_HEIGHT + 20 )]; if (self) { _isShow = NO; } return self; } - (id)initWithTitle:(NSString*)title message:(NSString*)message delegate:(id)del cancelButtonTitle:(NSString*)cancelBtnTitle otherButtonTitles:(NSString*)otherBtnTitles, ... { self = [ super initWithFrame:CGRectMake( , , SCREEN_WIDTH, SCREEN_HEIGHT + 20 )]; if (self) { self.delegate = del; self.cancelButtonTitle = cancelBtnTitle; self.isNeedCloseBtn = NO; if (!_otherButtonTitles) { va_list argList; if (otherBtnTitles) { self.otherButtonTitles = [NSMutableArray array]; [self.otherButtonTitles addObject:otherBtnTitles]; } va_start(argList, otherBtnTitles); id arg; while ((arg = va_arg(argList, id))) { [self.otherButtonTitles addObject:arg]; } } self.title = title; self.message = message; } return self; } -( void )initTitle:(NSString*)title message:(NSString*)message delegate:(id)del cancelButtonTitle:(NSString*)cancelBtnTitle otherButtonTitles:(NSString*)otherBtnTitles, ... { if (self) { self.delegate = del; self.cancelButtonTitle = cancelBtnTitle; self.isNeedCloseBtn = NO; if (!_otherButtonTitles) { va_list argList; if (otherBtnTitles) { self.otherButtonTitles = [NSMutableArray array]; [self.otherButtonTitles addObject:otherBtnTitles]; } va_start(argList, otherBtnTitles); id arg; while ((arg = va_arg(argList, id))) { [self.otherButtonTitles addObject:arg]; } } self.title = title; self.message = message; } } - ( void ) layoutSubviews { [ super layoutSubviews]; for (UIView *view in [self subviews]) { [view removeFromSuperview]; } UIView *bgView = [[UIView alloc] initWithFrame:self.frame]; [bgView setBackgroundColor:[UIColor blackColor]]; [bgView setAlpha: 0.4 ]; [self addSubview:bgView]; [bgView release]; if (!_backView) { _backView = [[UIView alloc] initWithFrame:CGRectMake( , , mWidth, mHeight)]; _backView.opaque = NO; _backView.backgroundColor = [UIColor whiteColor]; _backView.layer.shadowOffset = CGSizeMake( 1 , 1 ); _backView.layer.shadowRadius = 2.0 ; _backView.layer.shadowColor = [UIColor grayColor].CGColor; _backView.layer.shadowOpacity = 0.8 ; [_backView.layer setMasksToBounds:NO]; } // - 設定頭部顯示區域 // - 設定标題背景 UIView *titleView = [[UIView alloc] initWithFrame:CGRectMake( , , mWidth, mHeaderHeight)]; titleView.backgroundColor = RGBA_COLOR( 36 , 193 , 64 , 1 ); CGSize titleSize = CGSizeZero; if (self.title && [self.title length] > ) { titleSize = [self.title sizeWithFont:[UIFont fontWithName:@ "Helvetica-Bold" size: 18 .0f]]; } if (titleSize.width > ) { // - 标題圖檔 CGFloat startX = (titleView.frame.size.width - 40 - titleSize.width) / 2 ; UIImageView *titleImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@ "xxxxx.png" ]]; titleImage.frame = CGRectMake(startX, (titleView.frame.size.height - 30 ) / 2 , 30 , 30 ); self.titleIcon = titleImage; [titleView addSubview:titleImage]; [titleImage release]; startX += 40 ; // - 标題 UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(startX, (titleView.frame.size.height - 20 ) / 2 , titleSize.width, 20 )]; //- 标題太長的話需要處理 if (titleLabel.frame.size.width > 250 ) { titleLabel.frame = CGRectMake( 50 , (titleView.frame.size.height - 20 ) / 2 , mWidth - 60 , 20 ); titleImage.frame = CGRectMake( 5 , (titleView.frame.size.height - 30 ) / 2 , 30 , 30 ); } titleLabel.text = self.title; titleLabel.font = [UIFont fontWithName:@ "Helvetica-Bold" size: 18 .0f]; titleLabel.textColor = [UIColor whiteColor]; titleLabel.backgroundColor = [UIColor clearColor]; self.titleLabel = titleLabel; [titleView addSubview:titleLabel]; [titleLabel release]; } else { // - 标題圖檔 UIImageView *titleImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@ "xxxxx.png" ]]; titleImage.frame = CGRectMake((titleView.frame.size.width - 30 ) / 2 , (titleView.frame.size.height - 30 ) / 2 , 30 , 30 ); [titleView addSubview:titleImage]; [titleImage release]; } if (self.isNeedCloseBtn) { UIButton *btn = [[UIButton alloc]initWithFrame:CGRectMake(mWidth-mHeaderHeight, , mHeaderHeight, mHeaderHeight)]; btn.backgroundColor = [UIColor clearColor]; [btn setImage:[UIImage imageNamed:@ "btn_close_alertview.png" ] forState:UIControlStateNormal]; [btn addTarget:self action: @selector (closeBtnClicked:) forControlEvents:UIControlEventTouchUpInside]; [titleView addSubview:btn]; [btn release]; } [_backView addSubview:titleView]; self.titleBackgroundView = titleView; [titleView release]; // - 設定消息顯示區域 UIScrollView *msgView = [[UIScrollView alloc] initWithFrame:CGRectMake( , mHeaderHeight, mWidth, (mHeight-mHeaderHeight * 2 ))]; // - 設定背景顔色 msgView.backgroundColor = [UIColor whiteColor]; // - 内容 CGSize messageSize = CGSizeZero; if (self.message && [self.message length]> ) { messageSize = [self.message sizeWithFont:[UIFont systemFontOfSize: 16 .0f] constrainedToSize:CGSizeMake(mWidth- 20 , MAXFLOAT) lineBreakMode:NSLineBreakByWordWrapping]; if (messageSize.width > ) { UILabel *msgLabel = [[UILabel alloc] init]; msgLabel.font = [UIFont systemFontOfSize: 16 .0f]; msgLabel.text = self.message; msgLabel.numberOfLines = ; msgLabel.textAlignment = NSTextAlignmentCenter; msgLabel.backgroundColor = [UIColor clearColor]; msgLabel.frame = CGRectMake( 10 , ((mHeight - mHeaderHeight * 2 ) - messageSize.height) / 2 , mWidth- 20 , messageSize.height + 5 ); if (messageSize.height > mMaxHeight) { msgView.frame = CGRectMake(msgView.frame.origin.x, msgView.frame.origin.y, msgView.frame.size.width, mMaxHeight + 25 ); _backView.frame = CGRectMake( , , mWidth, mHeaderHeight * 2 + msgView.frame.size.height); msgLabel.textAlignment = NSTextAlignmentLeft; msgLabel.frame = CGRectMake( 10 , 10 , mWidth - 20 , messageSize.height); msgView.contentSize = CGSizeMake(msgView.frame.size.width, msgLabel.frame.size.height + 20 ); } else if (messageSize.height > (mHeight-mHeaderHeight * 2 ) - 10 ) { msgView.frame = CGRectMake(msgView.frame.origin.x, msgView.frame.origin.y, msgView.frame.size.width, messageSize.height + 25 ); _backView.frame = CGRectMake( , , mWidth, mHeaderHeight * 2 + msgView.frame.size.height); msgLabel.frame = CGRectMake( 10 , 10 , mWidth - 20 , messageSize.height + 5 ); } [msgView addSubview:msgLabel]; [msgLabel release]; [_backView addSubview:msgView]; } } else { if (self.customerViewsToBeAdd && [self.customerViewsToBeAdd count] > ) { CGFloat startY = ; for (UIView *subView in self.customerViewsToBeAdd) { CGRect rect = subView.frame; rect.origin.y = startY; subView.frame = rect; [msgView addSubview:subView]; startY += rect.size.height; } msgView.frame = CGRectMake( , mHeaderHeight, mWidth, startY); } [_backView addSubview:msgView]; _backView.frame = CGRectMake( , , mWidth, msgView.frame.size.height + mHeaderHeight * 2 + 20 ); } [msgView release]; // - 設定按鈕顯示區域 if (_otherButtonTitles != nil || _cancelButtonTitle != nil) { UIView *btnView = [[UIView alloc] initWithFrame:CGRectMake( , _backView.frame.size.height-mHeaderHeight, mWidth, mHeaderHeight)]; // - 如果隻顯示一個按鈕,需要計算按鈕的顯示大小 if (_otherButtonTitles == nil || _cancelButtonTitle == nil) { UIButton *btn = [[UIButton alloc]initWithFrame:CGRectMake((_backView.frame.size.width-mBtnWidth) / 2 , , mBtnWidth, mBtnHeight)]; btn.backgroundColor = RGBA_COLOR( 36 , 193 , 64 , 1 ); btn.titleLabel.font = [UIFont fontWithName:@ "Helvetica" size: 17 .0f]; btn.titleLabel.textColor = [UIColor whiteColor]; [btn addTarget:self action: @selector (buttonClicked:) forControlEvents:UIControlEventTouchUpInside]; if (_otherButtonTitles == nil && _cancelButtonTitle != nil) { [btn setTitle:_cancelButtonTitle forState:UIControlStateNormal]; } else { [btn setTitle:[_otherButtonTitles objectAtIndex: ] forState:UIControlStateNormal]; } btn.tag = ; btn.layer.cornerRadius = 5 ; [btnView addSubview:btn]; [btn release]; } else if (_otherButtonTitles && [_otherButtonTitles count] == 1 ) { // - 顯示兩個按鈕 // - 設定确定按鈕的相關屬性 CGFloat startX = (_backView.frame.size.width-mBtnWidth* 2 - 20 )/ 2 ; UIButton *otherBtn = [[UIButton alloc]initWithFrame:CGRectMake(startX, , mBtnWidth, mBtnHeight)]; otherBtn.backgroundColor = RGBA_COLOR( 36 , 193 , 64 , 1 ); otherBtn.titleLabel.font = [UIFont fontWithName:@ "Helvetica" size: 17 .0f]; otherBtn.titleLabel.textColor = [UIColor whiteColor]; [otherBtn setTitle:[_otherButtonTitles objectAtIndex: ] forState:UIControlStateNormal]; otherBtn.layer.cornerRadius = 5 ; [otherBtn addTarget:self action: @selector (buttonClicked:) forControlEvents:UIControlEventTouchUpInside]; otherBtn.tag = ; [btnView addSubview:otherBtn]; [otherBtn release]; startX += mBtnWidth+ 20 ; // - 設定取消按鈕的相關屬性 UIButton *cancelBtn = [[UIButton alloc]initWithFrame:CGRectMake(startX, , mBtnWidth, mBtnHeight)]; cancelBtn.backgroundColor = RGBA_COLOR( 36 , 193 , 64 , 1 ); cancelBtn.titleLabel.font = [UIFont fontWithName:@ "Helvetica" size: 17 .0f]; cancelBtn.titleLabel.textColor = [UIColor whiteColor]; [cancelBtn setTitle:_cancelButtonTitle forState:UIControlStateNormal]; cancelBtn.layer.cornerRadius = 5 ; [cancelBtn addTarget:self action: @selector (buttonClicked:) forControlEvents:UIControlEventTouchUpInside]; cancelBtn.tag = 1 ; [btnView addSubview:cancelBtn]; [cancelBtn release]; } [_backView addSubview: btnView]; [btnView release]; } else { CGRect rc = _backView.frame; rc.size.height -= mHeaderHeight; _backView.frame = rc; } UIControl *touchView = [[UIControl alloc] initWithFrame:self.frame]; [touchView addTarget:self action: @selector (touchViewClickDown) forControlEvents:UIControlEventTouchDown]; touchView.frame = self.frame; [self addSubview:touchView]; [touchView release]; _backView.center = self.center; [self addSubview:_backView]; if (!_isShow) [CustomAlertView exChangeOut:_backView dur: 0.5 ]; if (self.delegate) { if ([self.delegate respondsToSelector: @selector (willPresentCustomAlertView:)]) { [self.delegate willPresentCustomAlertView:self]; } [[NSNotificationCenter defaultCenter] postNotificationName:kBCAlertViewPresentNotify object:nil userInfo:nil]; } } - ( void )touchViewClickDown { if (self.delegate) { if ([self.delegate respondsToSelector: @selector (hideCurrentKeyBoard)]) { [self.delegate hideCurrentKeyBoard]; } } } // - 在消息區域設定自定義控件 - ( void )addCustomerSubview:(UIView *)view { [self.customerViewsToBeAdd addObject:view]; } - ( void )buttonClicked:(id)sender { UIButton *btn = (UIButton *) sender; _isShow = NO; if (btn) { if (self.delegate && [self.delegate respondsToSelector: @selector (alertView:clickedButtonAtIndex:)]) { [self.delegate alertView:self clickedButtonAtIndex:btn.tag]; } [self removeFromSuperview]; } } - ( void )closeBtnClicked:(id)sender { _isShow = NO; if (self.delegate && [self.delegate respondsToSelector: @selector (alertViewClosed:)]) { [self.delegate alertViewClosed:self]; } [self removeFromSuperview]; } - ( void )show { [self layoutSubviews]; if (!_isShow) [[[UIApplication sharedApplication].delegate window] addSubview:self]; _isShow = YES; } - ( void )dealloc { [_backView release]; [_customerViewsToBeAdd release]; self.titleLabel = nil; self.titleBackgroundView = nil; self.titleIcon = nil; [ super dealloc]; } // - alertview彈出動畫 + ( void )exChangeOut:(UIView *)changeOutView dur:(CFTimeInterval)dur { CAKeyframeAnimation * animation; animation = [CAKeyframeAnimation animationWithKeyPath:@ "transform" ]; animation.duration = dur; animation.removedOnCompletion = NO; animation.fillMode = kCAFillModeForwards; NSMutableArray *values = [NSMutableArray array]; [values addObject:[NSValue valueWithCATransform3D:CATransform3DMakeScale( 0.1 , 0.1 , 1.0 )]]; [values addObject:[NSValue valueWithCATransform3D:CATransform3DMakeScale( 1.2 , 1.2 , 1.0 )]]; [values addObject:[NSValue valueWithCATransform3D:CATransform3DMakeScale( 0.9 , 0.9 , 0.9 )]]; [values addObject:[NSValue valueWithCATransform3D:CATransform3DMakeScale( 1.0 , 1.0 , 1.0 )]]; animation.values = values; animation.timingFunction = [CAMediaTimingFunction functionWithName: @ "easeInEaseOut" ]; [changeOutView.layer addAnimation:animation forKey:nil]; } @end | 
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