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Support for half values #16

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18 changes: 18 additions & 0 deletions DYRateView.xcodeproj/project.pbxproj
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,10 @@
objects = {

/* Begin PBXBuildFile section */
0886168C1A00ECC200E0F0EE /* StarHalf.png in Resources */ = {isa = PBXBuildFile; fileRef = 088616881A00ECC200E0F0EE /* StarHalf.png */; };
0886168D1A00ECC200E0F0EE /* StarHalf@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 088616891A00ECC200E0F0EE /* StarHalf@2x.png */; };
0886168E1A00ECC200E0F0EE /* StarHalfLarge.png in Resources */ = {isa = PBXBuildFile; fileRef = 0886168A1A00ECC200E0F0EE /* StarHalfLarge.png */; };
0886168F1A00ECC200E0F0EE /* StarHalfLarge@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 0886168B1A00ECC200E0F0EE /* StarHalfLarge@2x.png */; };
D353DC55F2240468AE06EA5E /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D353DC55F2240468AE06EA5D /* UIKit.framework */; };
D353DC55F2240468AE06EA60 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D353DC55F2240468AE06EA5F /* Foundation.framework */; };
D353DC55F2240468AE06EA62 /* CoreGraphics.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D353DC55F2240468AE06EA61 /* CoreGraphics.framework */; };
Expand All @@ -27,6 +31,10 @@
/* End PBXBuildFile section */

/* Begin PBXFileReference section */
088616881A00ECC200E0F0EE /* StarHalf.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = StarHalf.png; sourceTree = "<group>"; };
088616891A00ECC200E0F0EE /* StarHalf@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "StarHalf@2x.png"; sourceTree = "<group>"; };
0886168A1A00ECC200E0F0EE /* StarHalfLarge.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = StarHalfLarge.png; sourceTree = "<group>"; };
0886168B1A00ECC200E0F0EE /* StarHalfLarge@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "StarHalfLarge@2x.png"; sourceTree = "<group>"; };
D353DC55F2240468AE06EA54 /* DYRateView.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = DYRateView.app; sourceTree = BUILT_PRODUCTS_DIR; };
D353DC55F2240468AE06EA5D /* UIKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UIKit.framework; path = System/Library/Frameworks/UIKit.framework; sourceTree = SDKROOT; };
D353DC55F2240468AE06EA5F /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
Expand Down Expand Up @@ -129,6 +137,10 @@
D353DC55F2240468AE06EA79 /* Resources */ = {
isa = PBXGroup;
children = (
088616881A00ECC200E0F0EE /* StarHalf.png */,
088616891A00ECC200E0F0EE /* StarHalf@2x.png */,
0886168A1A00ECC200E0F0EE /* StarHalfLarge.png */,
0886168B1A00ECC200E0F0EE /* StarHalfLarge@2x.png */,
D353DC55F2240468AE06EA88 /* StarEmpty.png */,
D353DC55F2240468AE06EA86 /* StarEmpty@2x.png */,
D353DC55F2240468AE06EA84 /* StarEmptyLarge.png */,
Expand Down Expand Up @@ -166,6 +178,8 @@
/* Begin PBXProject section */
D353DC55F2240468AE06EA4E /* Project object */ = {
isa = PBXProject;
attributes = {
};
buildConfigurationList = D353DC55F2240468AE06EA4F /* Build configuration list for PBXProject "DYRateView" */;
compatibilityVersion = "Xcode 3.2";
developmentRegion = English;
Expand All @@ -189,15 +203,19 @@
buildActionMask = 2147483647;
files = (
D353DC55F2240468AE06EA68 /* InfoPlist.strings in Resources */,
0886168D1A00ECC200E0F0EE /* StarHalf@2x.png in Resources */,
D353DC55F2240468AE06EA74 /* (null) in Resources */,
D353DC55F2240468AE06EA7B /* StarFullLarge@2x.png in Resources */,
D353DC55F2240468AE06EA7D /* StarFullLarge.png in Resources */,
D353DC55F2240468AE06EA7F /* StarFull@2x.png in Resources */,
0886168C1A00ECC200E0F0EE /* StarHalf.png in Resources */,
D353DC55F2240468AE06EA81 /* StarFull.png in Resources */,
D353DC55F2240468AE06EA83 /* StarEmptyLarge@2x.png in Resources */,
D353DC55F2240468AE06EA85 /* StarEmptyLarge.png in Resources */,
D353DC55F2240468AE06EA87 /* StarEmpty@2x.png in Resources */,
D353DC55F2240468AE06EA89 /* StarEmpty.png in Resources */,
0886168E1A00ECC200E0F0EE /* StarHalfLarge.png in Resources */,
0886168F1A00ECC200E0F0EE /* StarHalfLarge@2x.png in Resources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
Expand Down
7 changes: 4 additions & 3 deletions DYRateView/DYRateView/DYRateView.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,12 +32,12 @@ typedef enum {
RateViewAlignmentRight
} RateViewAlignment;


@interface DYRateView : UIView {
UIImage *_fullStarImage;
UIImage *_emptyStarImage;
UIImage *_halfStarImage;
CGPoint _origin;
NSInteger _numOfStars;
CGFloat _numOfStars;
}

@property(nonatomic, assign) RateViewAlignment alignment;
Expand All @@ -46,10 +46,11 @@ typedef enum {
@property(nonatomic, assign) BOOL editable;
@property(nonatomic, retain) UIImage *fullStarImage;
@property(nonatomic, retain) UIImage *emptyStarImage;
@property(nonatomic, retain) UIImage *halfStarImage;
@property(nonatomic, assign) NSObject<DYRateViewDelegate> *delegate;

- (DYRateView *)initWithFrame:(CGRect)frame;
- (DYRateView *)initWithFrame:(CGRect)rect fullStar:(UIImage *)fullStarImage emptyStar:(UIImage *)emptyStarImage;
- (DYRateView *)initWithFrame:(CGRect)rect fullStar:(UIImage *)fullStarImage emptyStar:(UIImage *)emptyStarImage halfStar:(UIImage *)halfStarImage;

@end

Expand Down
33 changes: 25 additions & 8 deletions DYRateView/DYRateView/DYRateView.m
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Expand Up @@ -29,6 +29,7 @@ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

static NSString *DefaultFullStarImageFilename = @"StarFull.png";
static NSString *DefaultEmptyStarImageFilename = @"StarEmpty.png";
static NSString *DefaultHalfStarImageFilename = @"StarHalf.png";

@interface DYRateView ()

Expand All @@ -46,20 +47,22 @@ @implementation DYRateView
@synthesize editable = _editable;
@synthesize fullStarImage = _fullStarImage;
@synthesize emptyStarImage = _emptyStarImage;
@synthesize halfStarImage = _halfStarImage;
@synthesize delegate = _delegate;

- (DYRateView *)initWithFrame:(CGRect)frame {
return [self initWithFrame:frame fullStar:[UIImage imageNamed:DefaultFullStarImageFilename] emptyStar:[UIImage imageNamed:DefaultEmptyStarImageFilename]];
return [self initWithFrame:frame fullStar:[UIImage imageNamed:DefaultFullStarImageFilename] emptyStar:[UIImage imageNamed:DefaultEmptyStarImageFilename] halfStar:[UIImage imageNamed:DefaultHalfStarImageFilename]];
}

- (DYRateView *)initWithFrame:(CGRect)frame fullStar:(UIImage *)fullStarImage emptyStar:(UIImage *)emptyStarImage {
- (DYRateView *)initWithFrame:(CGRect)frame fullStar:(UIImage *)fullStarImage emptyStar:(UIImage *)emptyStarImage halfStar:(UIImage *)halfStarImage {
self = [super initWithFrame:frame];
if (self) {
self.opaque = NO;
self.backgroundColor = [UIColor clearColor];

_fullStarImage = [fullStarImage retain];
_emptyStarImage = [emptyStarImage retain];
_halfStarImage = [halfStarImage retain];

[self commonSetup];
}
Expand All @@ -71,6 +74,7 @@ - (id)initWithCoder:(NSCoder *)decoder {
if (self) {
_fullStarImage = [[UIImage imageNamed:DefaultFullStarImageFilename] retain];
_emptyStarImage = [[UIImage imageNamed:DefaultEmptyStarImageFilename] retain];
_halfStarImage = [[UIImage imageNamed:DefaultHalfStarImageFilename] retain];

[self commonSetup];
}
Expand All @@ -80,6 +84,7 @@ - (id)initWithCoder:(NSCoder *)decoder {
- (void)dealloc {
[_fullStarImage release]; _fullStarImage = nil;
[_emptyStarImage release]; _emptyStarImage = nil;
[_halfStarImage release]; _halfStarImage = nil;
[super dealloc];
}

Expand Down Expand Up @@ -119,12 +124,16 @@ - (void)drawRect:(CGRect)rect
x += _fullStarImage.size.width + _padding;
}


float floor = floorf(_rate);
x = _origin.x;
for (int i = 0; i < floor; i++) {
[_fullStarImage drawAtPoint:CGPointMake(x, _origin.y)];
x += _fullStarImage.size.width + _padding;
if (_rate - (CGFloat)i == 0.5) {
[_halfStarImage drawAtPoint:CGPointMake(x, _origin.y)];
x += _halfStarImage.size.width + _padding;
} else {
[_fullStarImage drawAtPoint:CGPointMake(x, _origin.y)];
x += _fullStarImage.size.width + _padding;
}
}

if (_numOfStars - floor > 0.01) {
Expand Down Expand Up @@ -168,10 +177,18 @@ - (void)setEmptyStarImage:(UIImage *)emptyStarImage
}
}

- (void)setHalfStarImage:(UIImage *)halfStarImage {
if (halfStarImage != _halfStarImage) {
[_halfStarImage release];
_halfStarImage = [halfStarImage retain];
[self setNeedsDisplay];
}
}

- (void)handleTouchAtLocation:(CGPoint)location {
for(int i = _numOfStars - 1; i > -1; i--) {
if (location.x > _origin.x + i * (_fullStarImage.size.width + _padding) - _padding / 2.) {
self.rate = i + 1;
for(float i = _numOfStars*2 - 1; i > -1; i--) {
if (location.x > _origin.x + i/2 * (_fullStarImage.size.width + _padding) - _padding / 2.) {
self.rate = i/2.0 + 0.5;
return;
}
}
Expand Down
4 changes: 2 additions & 2 deletions DYRateView/DemoViewController.m
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,7 @@ - (void)viewDidLoad
}

- (void)setUpEditableRateView {
DYRateView *rateView = [[DYRateView alloc] initWithFrame:CGRectMake(0, 40, self.view.bounds.size.width, 20) fullStar:[UIImage imageNamed:@"StarFullLarge.png"] emptyStar:[UIImage imageNamed:@"StarEmptyLarge.png"]];
DYRateView *rateView = [[DYRateView alloc] initWithFrame:CGRectMake(0, 40, self.view.bounds.size.width, 20) fullStar:[UIImage imageNamed:@"StarFullLarge.png"] emptyStar:[UIImage imageNamed:@"StarEmptyLarge.png"] halfStar:[UIImage imageNamed:@"StarHalfLarge.png"]];
rateView.padding = 20;
rateView.alignment = RateViewAlignmentCenter;
rateView.editable = YES;
Expand Down Expand Up @@ -113,7 +113,7 @@ - (void)dealloc {
#pragma mark - DYRateViewDelegate

- (void)rateView:(DYRateView *)rateView changedToNewRate:(NSNumber *)rate {
self.rateLabel.text = [NSString stringWithFormat:@"Rate: %d", rate.intValue];
self.rateLabel.text = [NSString stringWithFormat:@"Rate: %.1f", rate.floatValue];
}

@end
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