- 作者
- Ilija Tovilo
- ilijatovilo
为 NSProgressIndicator 提供核心动画驱动的替换类。它高度可定制，比 NSProgressIndicator 更有效率。
ITProgressInidicator 是为了 Play by Play 而创建的，此项目由 David Keegan 资助。
使用方法
复制文件
复制以下文件
ITProgressIndicator.hITProgressIndicator.m
请确保将它们复制到项目中，并将它们添加到目标中。
在项目中使用
请确保检查示例项目。只需将自定义视图拖到您的窗口上，并将它的自定义类设置为 ITProgressIndicator。
建议将您的进度指示器嵌入到层支持的视图中！查看示例应用程序以获取说明。
要自定义您的进度指示器，请使用以下属性
/// @property isIndeterminate - Indicates if the view will show the progress, or just spin
@property (nonatomic, setter = setIndeterminate:) BOOL isIndeterminate;
/// @property progress - The amount that should be shown when `isIndeterminate` is set to `YES`
@property (nonatomic) CGFloat progress;
/// @property animates - Indicates if the view is animating
@property (nonatomic) BOOL animates;
/// @property hideWhenStopped - Indicates if the view will be hidden if it's stopped
@property (nonatomic) BOOL hideWhenStopped;
/// @property lengthOfLine - The length of a single line
@property (nonatomic) CGFloat lengthOfLine;
/// @property widthOfLine - The width of a single line
@property (nonatomic) CGFloat widthOfLine;
/// @property numberOfLines - The number of lines of the indicator
@property (nonatomic) NSUInteger numberOfLines;
/// @property innerMargin - The distance of the lines from the middle
@property (nonatomic) CGFloat innerMargin;
/// @property animationDuration - Duration of a single rotation
@property (nonatomic) CGFloat animationDuration;
/// @property gradualAnimation - Defines if the animation is smooth or gradual
@property (nonatomic) BOOL steppedAnimation;
/// @property color - The color of the progress indicator
@property (nonatomic, strong) NSColor *color;您还可以覆盖以下方法以实现自己的自定义动画
/**
* Override this method to achieve a custom animation
*
* @return CAKeyframeAnimation - animation which will be put on the progress indicator layer
*/
- (CAKeyframeAnimation *)keyFrameAnimationForCurrentPreferences;