iOS / PNChart

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kevinzhow
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... ... @@ -28,7 +28,6 @@
0AF7A8BE182AEB99003645C4 /* PNChartLabel.m in Sources */ = {isa = PBXBuildFile; fileRef = 0AF7A8BB182AEB99003645C4 /* PNChartLabel.m */; };
0AF7A8BF182AEB99003645C4 /* PNColor.m in Sources */ = {isa = PBXBuildFile; fileRef = 0AF7A8BD182AEB99003645C4 /* PNColor.m */; };
9F55483E18498E0E004073B5 /* PNCircleChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 9F55483D18498E0E004073B5 /* PNCircleChart.m */; };
9F656B51184A4E34002E5675 /* UICountingLabel.m in Sources */ = {isa = PBXBuildFile; fileRef = 9F656B50184A4E34002E5675 /* UICountingLabel.m */; };
9F9AFF24185FF24000D6673D /* PNLineChartData.m in Sources */ = {isa = PBXBuildFile; fileRef = 9F9AFF21185FF24000D6673D /* PNLineChartData.m */; };
9F9AFF25185FF24000D6673D /* PNLineChartDataItem.m in Sources */ = {isa = PBXBuildFile; fileRef = 9F9AFF23185FF24000D6673D /* PNLineChartDataItem.m */; };
9FA23B10184A5944002DBBA4 /* PCChartsTableViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 9FA23B0F184A5944002DBBA4 /* PCChartsTableViewController.m */; };
... ... @@ -78,8 +77,6 @@
0AF7A8BD182AEB99003645C4 /* PNColor.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = PNColor.m; path = PNChart/PNColor.m; sourceTree = "<group>"; };
9F55483C18498E0E004073B5 /* PNCircleChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = PNCircleChart.h; path = PNChart/PNCircleChart.h; sourceTree = "<group>"; };
9F55483D18498E0E004073B5 /* PNCircleChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = PNCircleChart.m; path = PNChart/PNCircleChart.m; sourceTree = "<group>"; };
9F656B4F184A4E34002E5675 /* UICountingLabel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = UICountingLabel.h; path = PNChart/ThirdPart/UICountingLabel.h; sourceTree = "<group>"; };
9F656B50184A4E34002E5675 /* UICountingLabel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = UICountingLabel.m; path = PNChart/ThirdPart/UICountingLabel.m; sourceTree = "<group>"; };
9F9AFF20185FF24000D6673D /* PNLineChartData.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = PNLineChartData.h; path = PNChart/PNLineChartData.h; sourceTree = "<group>"; };
9F9AFF21185FF24000D6673D /* PNLineChartData.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = PNLineChartData.m; path = PNChart/PNLineChartData.m; sourceTree = "<group>"; };
9F9AFF22185FF24000D6673D /* PNLineChartDataItem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = PNLineChartDataItem.h; path = PNChart/PNLineChartDataItem.h; sourceTree = "<group>"; };
... ... @@ -250,8 +247,6 @@
9F656B4B184A4BC9002E5675 /* PNCircleChart */ = {
isa = PBXGroup;
children = (
9F656B4F184A4E34002E5675 /* UICountingLabel.h */,
9F656B50184A4E34002E5675 /* UICountingLabel.m */,
9F55483C18498E0E004073B5 /* PNCircleChart.h */,
9F55483D18498E0E004073B5 /* PNCircleChart.m */,
);
... ... @@ -358,7 +353,6 @@
files = (
0AF7A8AF182AAEEF003645C4 /* PCChartViewController.m in Sources */,
9F9AFF25185FF24000D6673D /* PNLineChartDataItem.m in Sources */,
9F656B51184A4E34002E5675 /* UICountingLabel.m in Sources */,
0AF7A8BF182AEB99003645C4 /* PNColor.m in Sources */,
9FA23B10184A5944002DBBA4 /* PCChartsTableViewController.m in Sources */,
0AF7A8BE182AEB99003645C4 /* PNChartLabel.m in Sources */,
... ...
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
typedef enum {
UILabelCountingMethodEaseInOut,
UILabelCountingMethodEaseIn,
UILabelCountingMethodEaseOut,
UILabelCountingMethodLinear
} UILabelCountingMethod;
typedef NSString* (^UICountingLabelFormatBlock)(float value);
@interface UICountingLabel : UILabel
@property (nonatomic, strong) NSString *format;
@property (nonatomic, assign) UILabelCountingMethod method;
@property (nonatomic, copy) UICountingLabelFormatBlock formatBlock;
@property (nonatomic, copy) void (^completionBlock)();
-(void)countFrom:(float)startValue to:(float)endValue;
-(void)countFrom:(float)startValue to:(float)endValue withDuration:(NSTimeInterval)duration;
@end
#import "UICountingLabel.h"
#if !__has_feature(objc_arc)
#error UICountingLabel is ARC only. Either turn on ARC for the project or use -fobjc-arc flag
#endif
#pragma mark - UILabelCounter
// This whole class & subclasses are private to UICountingLabel, which is why they are declared here in the .m file
@interface UILabelCounter : NSObject
-(float)update:(float)t;
@property float rate;
@end
@interface UILabelCounterLinear : UILabelCounter
@end
@interface UILabelCounterEaseIn : UILabelCounter
@end
@interface UILabelCounterEaseOut : UILabelCounter
@end
@interface UILabelCounterEaseInOut : UILabelCounter
@end
@implementation UILabelCounter
-(float)update:(float)t{
return 0;
}
@end
@implementation UILabelCounterLinear
-(float)update:(float)t
{
return t;
}
@end
@implementation UILabelCounterEaseIn
-(float)update:(float)t
{
return powf(t, self.rate);
}
@end
@implementation UILabelCounterEaseOut
-(float)update:(float)t{
return 1.0-powf((1.0-t), self.rate);
}
@end
@implementation UILabelCounterEaseInOut
-(float) update: (float) t
{
int sign =1;
int r = (int) self.rate;
if (r % 2 == 0)
sign = -1;
t *= 2;
if (t < 1)
return 0.5f * powf (t, self.rate);
else
return sign*0.5f * (powf (t-2, self.rate) + sign*2);
}
@end
#pragma mark - UICountingLabel
@interface UICountingLabel ()
@property float startingValue;
@property float destinationValue;
@property NSTimeInterval progress;
@property NSTimeInterval lastUpdate;
@property NSTimeInterval totalTime;
@property float easingRate;
@property (nonatomic, strong) UILabelCounter* counter;
@end
@implementation UICountingLabel
-(void)countFrom:(float)value to:(float)endValue
{
[self countFrom:value to:endValue withDuration:2.0f];
}
-(void)countFrom:(float)startValue to:(float)endValue withDuration:(NSTimeInterval)duration
{
self.easingRate = 3.0f;
self.startingValue = startValue;
self.destinationValue = endValue;
self.progress = 0;
self.totalTime = duration;
self.lastUpdate = [NSDate timeIntervalSinceReferenceDate];
if(self.format == nil)
self.format = @"%f";
switch(self.method)
{
case UILabelCountingMethodLinear:
self.counter = [[UILabelCounterLinear alloc] init];
break;
case UILabelCountingMethodEaseIn:
self.counter = [[UILabelCounterEaseIn alloc] init];
break;
case UILabelCountingMethodEaseOut:
self.counter = [[UILabelCounterEaseOut alloc] init];
break;
case UILabelCountingMethodEaseInOut:
self.counter = [[UILabelCounterEaseInOut alloc] init];
break;
}
self.counter.rate = 3.0f;
NSTimer* timer = [NSTimer timerWithTimeInterval:(1.0f/30.0f) target:self selector:@selector(updateValue:) userInfo:nil repeats:YES];
[[NSRunLoop mainRunLoop] addTimer:timer forMode:NSRunLoopCommonModes];
}
-(void)updateValue:(NSTimer*)timer
{
// update progress
NSTimeInterval now = [NSDate timeIntervalSinceReferenceDate];
self.progress += now - self.lastUpdate;
self.lastUpdate = now;
if(self.progress >= self.totalTime)
{
[timer invalidate];
self.progress = self.totalTime;
}
float percent = self.progress / self.totalTime;
float updateVal =[self.counter update:percent];
float value = self.startingValue + (updateVal * (self.destinationValue - self.startingValue));
if(self.formatBlock != nil)
{
self.text = self.formatBlock(value);
}
else
{
// check if counting with ints - cast to int
if([self.format rangeOfString:@"%(.*)d" options:NSRegularExpressionSearch].location != NSNotFound || [self.format rangeOfString:@"%(.*)i"].location != NSNotFound )
{
self.text = [NSString stringWithFormat:self.format,(int)value];
}
else
{
self.text = [NSString stringWithFormat:self.format,value];
}
}
if(self.progress == self.totalTime && self.completionBlock != nil)
{
self.completionBlock();
self.completionBlock = nil;
}
}
@end
platform :ios, '6.0'
pod "PNChart", "~>0.3.2"
... ...