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| // | ||
| // TransformableTableViewCell.h | ||
| // JTGestureBasedTableViewDemo | ||
| // | ||
| // Created by James Tang on 2/6/12. | ||
| // Copyright (c) 2012 __MyCompanyName__. All rights reserved. | ||
| // | ||
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| #import <UIKit/UIKit.h> | ||
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| @interface TransformableTableViewCell : UITableViewCell | ||
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| @property (nonatomic, assign) CGFloat finishedHeight; | ||
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| @end |
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| @@ -0,0 +1,73 @@ | ||
| // | ||
| // TransformableTableViewCell.m | ||
| // JTGestureBasedTableViewDemo | ||
| // | ||
| // Created by James Tang on 2/6/12. | ||
| // Copyright (c) 2012 __MyCompanyName__. All rights reserved. | ||
| // | ||
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| #import "TransformableTableViewCell.h" | ||
| #import <QuartzCore/QuartzCore.h> | ||
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| @implementation TransformableTableViewCell | ||
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| @synthesize finishedHeight; | ||
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| - (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier | ||
| { | ||
| self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]; | ||
| if (self) { | ||
| // Initialization code | ||
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| [self addObserver:self forKeyPath:@"frame" | ||
| options:NSKeyValueObservingOptionInitial | NSKeyValueObservingOptionNew | ||
| context:nil]; | ||
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| CATransform3D transform = CATransform3DIdentity; | ||
| transform.m34 = -1/500.f; | ||
| [self.contentView.layer setSublayerTransform:transform]; | ||
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| self.textLabel.layer.anchorPoint = CGPointMake(0.5, 0.0); | ||
| self.textLabel.clipsToBounds = NO; | ||
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| self.detailTextLabel.layer.anchorPoint = CGPointMake(0.5, 1.0); | ||
| self.detailTextLabel.clipsToBounds = NO; | ||
| self.selectionStyle = UITableViewCellSelectionStyleNone; | ||
| } | ||
| return self; | ||
| } | ||
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| - (void)setSelected:(BOOL)selected animated:(BOOL)animated | ||
| { | ||
| [super setSelected:selected animated:animated]; | ||
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| // Configure the view for the selected state | ||
| } | ||
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| - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { | ||
| if ([keyPath isEqualToString:@"frame"]) { | ||
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| CGFloat fraction = self.frame.size.height / self.finishedHeight; | ||
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| CATransform3D transform = CATransform3DMakeRotation((M_PI / 2) - asinf(fraction), -1, 0, 0); | ||
| [self.textLabel.layer setTransform:transform]; | ||
| [self.detailTextLabel.layer setTransform:CATransform3DMakeRotation((M_PI / 2) - asinf(fraction), 1, 0, 0)]; | ||
| } | ||
| } | ||
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| - (void)layoutSubviews { | ||
| [super layoutSubviews]; | ||
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| CGFloat fraction = 1 / (self.frame.size.height / self.finishedHeight); | ||
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| self.textLabel.backgroundColor = [UIColor colorWithWhite:0.8 alpha:1]; | ||
| self.detailTextLabel.backgroundColor = [UIColor colorWithWhite:0.6 alpha:1]; | ||
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| CGFloat labelHeight = self.contentView.frame.size.height/2*fraction; | ||
| self.textLabel.frame = CGRectMake(0, 0, self.contentView.frame.size.width, labelHeight); | ||
| self.detailTextLabel.frame = CGRectMake(0,self.contentView.frame.size.height - labelHeight, self.contentView.frame.size.width, labelHeight); | ||
| } | ||
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| @end |
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