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37 Commits

Author SHA1 Message Date
Terry Worona 87b62ad2b1 updated change log, pod spec, read me 2014-04-28 12:06:03 -07:00
Terry Worona 9c0d788418 More style updates 2014-04-28 12:00:59 -07:00
Terry Worona de009f0236 PR #39 cleanup 2014-04-28 11:25:45 -07:00
ktran03 d46e4fe14d changed compare condition to using slope instead of vertical diff 2014-04-26 18:32:40 -04:00
ktran03 236336fdf3 added check for y-value difference if exceeds threshold 2014-04-25 15:14:16 -04:00
ktran03 9b60a1d662 Expose smooth option through delegate, fix diffs 2014-04-24 14:35:54 -04:00
ktran03 3700b4e2e2 smooth curve using bezierpath 2014-04-19 20:15:53 -04:00
Terry Worona 8c03033a1c Added screenshot to pod spec 2014-04-18 10:14:42 -07:00
Terry Worona bb084b1b89 Fixes issue #34 2014-04-17 18:32:58 -07:00
Terry Worona 1c7c8b2e52 Updated read me, pod spec etc for new version 2014-04-14 10:36:07 -07:00
Terry Worona 79a57d98e3 Clamp selection width to width of chart 2014-04-14 10:32:50 -07:00
Terry Worona 20d6b6081b Fixed comment 2014-04-14 10:30:24 -07:00
terryworona 20bbbdcc86 Merge pull request #37 from veducm/master
Added delegate method to configure the width of the vertical selection bar in a line chart.
2014-04-14 10:27:51 -07:00
Edu Caselles 51ac8a1d63 Added delegate method to configure the width of the vertical selection bar in a line chart. 2014-04-14 01:35:20 +02:00
Terry Worona 68d04a2cdb Fixes issue #36 2014-04-12 09:11:41 -07:00
Terry Worona b7734ef189 Updated for new version 2014-04-11 15:02:46 -07:00
Terry Worona f6d2fe8b62 Fixed issue #33 2014-04-11 15:00:33 -07:00
Terry Worona 5c9679f448 updated read me, etc for new version 2014-04-10 16:18:52 -07:00
Terry Worona 037225a386 Fixed issue #30 2014-04-10 16:15:28 -07:00
terryworona 0fe979bd22 Merge pull request #30 from gumbypp/master
JBChartView: needs initWithCoder initializer for inflation from a xib
2014-04-10 16:13:34 -07:00
Dale Low 31b64ed7e4 JBChartView: needs initWithCoder initializer for inflation from a xib 2014-04-10 16:00:27 -07:00
Terry Worona c30398c3ea Updated readme 2014-04-10 13:23:26 -07:00
Terry Worona bc08322a3a Updated version 2014-04-10 13:13:38 -07:00
Terry Worona 213973f4ed Fixing line chart padding calculations for custom dot radius 2014-04-10 11:20:16 -07:00
Terry Worona 28d40bcb31 Added dot radius callbacks for line charts 2014-04-10 10:58:47 -07:00
Terry Worona d4df0184a2 Updated change log, pod spec and read me 2014-04-03 14:49:36 -07:00
Terry Worona 4f313aab80 Added state force setters 2014-04-03 14:48:01 -07:00
Terry Worona b6262462c5 Updated pod spec change log and read me 2014-04-02 11:49:52 -07:00
Terry Worona 1080089753 Added dynamic padding to line chart view 2014-04-02 11:46:42 -07:00
Terry Worona 0afba01a9a Updated read me and pod spec 2014-04-02 10:26:59 -07:00
Terry Worona 63b47667ec Fixed min and max value properties 2014-04-02 09:08:12 -07:00
Terry Worona 4d6baf066f cleaned up cached constants 2014-04-02 08:50:43 -07:00
Terry Worona 359ef7d0ea Updated read me, change log and podspec 2014-03-30 21:50:00 -07:00
Terry Worona 7b1e6475f2 Clamp min and value values if supplied 2014-03-30 21:47:00 -07:00
Terry Worona 2b8853780c added optional min and max value properties to JBChartView 2014-03-30 21:27:00 -07:00
Terry Worona 0754e2e5d2 min height patches 2014-03-29 19:20:15 -07:00
Terry Worona 52b722013e updated change log 2014-03-27 16:05:00 -07:00
9 changed files with 576 additions and 105 deletions
+42 -1
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@@ -1,12 +1,53 @@
# Changelog
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.4.0">2.4.0</a>
#### 04/28/14
- Fixes issue <a href="https://github.com/Jawbone/JBChartView/pull/23">#23</a>.
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.3.0">2.3.0</a>
#### 04/17/14
- Fixes issue <a href="https://github.com/Jawbone/JBChartView/pull/34">#34</a>.
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.2.0">2.2.0</a>
#### 04/14/14
- Fixes issue <a href="https://github.com/Jawbone/JBChartView/pull/37">#37</a>.
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.1.6">2.1.6</a>
#### 04/11/14
- Fixes issue <a href="https://github.com/Jawbone/JBChartView/pull/33">#33</a>.
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.1.5">2.1.5</a>
#### 04/10/14
- Fixes issue <a href="https://github.com/Jawbone/JBChartView/pull/30">#30</a>.
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.1.4">2.1.4</a>
#### 04/10/14
- Added ability to specify a radius for dotted lines.
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.1.3">2.1.3</a>
#### 04/03/14
- Added the ability to force a chart's state.
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.1.2">2.1.2</a>
#### 04/02/14
- Added dynamic padding to JBLineChartView (based on max line width).
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.1.1">2.1.1</a>
#### 04/02/14
- Fixed minimumValue and maximumValue getter functions.
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.1.0">2.1.0</a>
#### 03/30/14
- Added minimumValue and maximumValue properties.
- Changed default min value implementation from 0 to chart's actual minimum value.
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.0.2">2.0.2</a>
#### 03/27/14
- Added the ability to add point dots for lines in JBLineChartView.
- Streamlined line styling.
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.0.1">2.0.1</a>
### 03/19/14
#### 03/19/14
- Fixes issue <a href="https://github.com/Jawbone/JBChartView/pull/22">#22</a>.
## <a href="https://github.com/Jawbone/JBChartView/tree/v2.0.0">2.0.0</a>
+74 -19
View File
@@ -10,7 +10,7 @@
// Numerics
CGFloat static const kJBBarChartViewBarBasePaddingMutliplier = 50.0f;
CGFloat static const kJBBarChartViewUndefinedMaxHeight = -1.0f;
CGFloat static const kJBBarChartViewUndefinedCachedHeight = -1.0f;
CGFloat static const kJBBarChartViewStateAnimationDuration = 0.05f;
CGFloat static const kJBBarChartViewPopOffset = 10.0f; // used to offset bars for 'pop' animations
NSInteger static const kJBBarChartViewUndefinedBarIndex = -1;
@@ -24,6 +24,7 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
@property (nonatomic, strong) NSArray *barViews;
@property (nonatomic, assign) CGFloat barPadding;
@property (nonatomic, assign) CGFloat cachedMaxHeight;
@property (nonatomic, assign) CGFloat cachedMinHeight;
@property (nonatomic, strong) JBChartVerticalSelectionView *verticalSelectionView;
@property (nonatomic, assign) BOOL verticalSelectionViewVisible;
@@ -33,8 +34,8 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
// View quick accessors
- (CGFloat)availableHeight;
- (CGFloat)normalizedHeightForRawHeight:(NSNumber*)rawHeight;
- (CGFloat)maxHeight;
- (CGFloat)minHeight;
- (CGFloat)maxHeight;
- (CGFloat)barWidth;
- (CGFloat)popOffset;
@@ -94,7 +95,8 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
- (void)construct
{
_showsVerticalSelection = YES;
_cachedMaxHeight = kJBBarChartViewUndefinedMaxHeight;
_cachedMinHeight = kJBBarChartViewUndefinedCachedHeight;
_cachedMaxHeight = kJBBarChartViewUndefinedCachedHeight;
}
#pragma mark - Memory Management
@@ -109,7 +111,8 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
- (void)reloadData
{
// reset cached max height
self.cachedMaxHeight = kJBBarChartViewUndefinedMaxHeight;
self.cachedMinHeight = kJBBarChartViewUndefinedCachedHeight;
self.cachedMaxHeight = kJBBarChartViewUndefinedCachedHeight;
/*
* The data collection holds all position information:
@@ -235,6 +238,9 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
// Position header and footer
self.headerView.frame = CGRectMake(self.bounds.origin.x, self.bounds.origin.y, self.bounds.size.width, self.headerView.frame.size.height);
self.footerView.frame = CGRectMake(self.bounds.origin.x, self.bounds.size.height - self.footerView.frame.size.height, self.bounds.size.width, self.footerView.frame.size.height);
// Refresh state
[self setState:self.state animated:NO callback:nil force:YES];
}
#pragma mark - View Quick Accessors
@@ -258,20 +264,22 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
return ((value - minHeight) / (maxHeight - minHeight)) * [self availableHeight];
}
- (CGFloat)maxHeight
{
if (self.cachedMaxHeight == kJBBarChartViewUndefinedMaxHeight)
{
// max height is max value across all goals and values
NSArray *chartValues = [[[self.chartDataDictionary allValues] arrayByAddingObjectsFromArray:[self.chartDataDictionary allValues]] sortedArrayUsingSelector:@selector(compare:)];
self.cachedMaxHeight = [[chartValues lastObject] floatValue];
}
return self.cachedMaxHeight;
}
- (CGFloat)minHeight
{
return 0;
if (self.mininumValue != kJBChartViewUndefinedMinimumValue)
{
return MIN(self.mininumValue, self.cachedMinHeight);
}
return self.cachedMinHeight;
}
- (CGFloat)maxHeight
{
if (self.maximumValue != kJBChartViewUndefinedMaximumValue)
{
return MAX(self.maximumValue, self.cachedMaxHeight);
}
return self.cachedMaxHeight;
}
- (CGFloat)barWidth
@@ -293,9 +301,9 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
#pragma mark - Setters
- (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback
- (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback force:(BOOL)force
{
[super setState:state animated:animated callback:callback];
[super setState:state animated:animated callback:callback force:force];
dispatch_block_t callbackCopy = [callback copy];
@@ -350,7 +358,7 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
{
callbackCopy();
}
}
}
}
else
{
@@ -361,6 +369,53 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
}
}
- (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback
{
[self setState:state animated:animated callback:callback force:NO];
}
#pragma mark - Getters
- (CGFloat)cachedMinHeight
{
if(_cachedMinHeight == kJBBarChartViewUndefinedCachedHeight)
{
// min height is min value across all goals and values
NSArray *chartValues = [[[self.chartDataDictionary allValues] arrayByAddingObjectsFromArray:[self.chartDataDictionary allValues]] sortedArrayUsingSelector:@selector(compare:)];
_cachedMinHeight = [[chartValues firstObject] floatValue];
}
return _cachedMinHeight;
}
- (CGFloat)cachedMaxHeight
{
if (_cachedMaxHeight == kJBBarChartViewUndefinedCachedHeight)
{
// max height is max value across all goals and values
NSArray *chartValues = [[[self.chartDataDictionary allValues] arrayByAddingObjectsFromArray:[self.chartDataDictionary allValues]] sortedArrayUsingSelector:@selector(compare:)];
_cachedMaxHeight = [[chartValues lastObject] floatValue];
}
return _cachedMaxHeight;
}
- (CGFloat)mininumValue
{
if ([super mininumValue] == kJBChartViewUndefinedMinimumValue)
{
return self.cachedMinHeight;
}
return [super mininumValue];
}
- (CGFloat)maximumValue
{
if ([super maximumValue] == kJBChartViewUndefinedMaximumValue)
{
return self.cachedMaxHeight;
}
return [super maximumValue];
}
#pragma mark - Touch Helpers
- (NSInteger)barViewIndexForPoint:(CGPoint)point
+25
View File
@@ -9,6 +9,8 @@
#import <Foundation/Foundation.h>
extern CGFloat const kJBChartViewDefaultAnimationDuration;
extern CGFloat const kJBChartViewUndefinedMinimumValue; // helper for undefined min/max values
extern CGFloat const kJBChartViewUndefinedMaximumValue;
/**
* At a minimum, a chart can support two states, along with animations to-and-from.
@@ -39,6 +41,19 @@ typedef NS_ENUM(NSInteger, JBChartViewState){
*/
@property (nonatomic, assign) CGFloat headerPadding;
/**
* The minimum and maxmimum values of the chart.
* If no value(s) are supplied, the min and max values of the chart's data source are used.
*
* If value(s) are supplied, they must be >= 0, otherwise an assertion will be thrown.
* The min/max values are clamped to the ceiling and floor of the actual min/max values of the chart's data source;
* for example, if a maximumValue of 20 is supplied & the chart's actual max is 100, then 100 will be used.
*
* For min/max modifications to take effect, reloadData must be called.
*/
@property (nonatomic, assign) CGFloat mininumValue;
@property (nonatomic, assign) CGFloat maximumValue;
/**
* Charts can either be expanded or contracted.
* By default, a chart should be expanded on initialization.
@@ -51,6 +66,16 @@ typedef NS_ENUM(NSInteger, JBChartViewState){
*/
- (void)reloadData;
/**
* State setter.
*
* @param state Either collapse or expanded.
* @param animated Whether or not the state should be animated or not.
* @param callback Called once the animation is completed. If animated == NO, then callback is immediate.
* @param force If current state == new state, then setting force to YES will re-configure the chart (default NO).
*/
- (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback force:(BOOL)force;
/**
* State setter.
*
+46 -4
View File
@@ -9,12 +9,18 @@
#import "JBChartView.h"
CGFloat const kJBChartViewDefaultAnimationDuration = 0.25f;
CGFloat const kJBChartViewUndefinedMinimumValue = -1.0f;
CGFloat const kJBChartViewUndefinedMaximumValue = -1.0f;
// Color (JBChartSelectionView)
static UIColor *kJBChartVerticalSelectionViewDefaultBgColor = nil;
@interface JBChartView ()
// Construction
- (void)constructChartView;
// Validation
- (void)validateHeaderAndFooterHeights;
@end
@@ -23,12 +29,22 @@ static UIColor *kJBChartVerticalSelectionViewDefaultBgColor = nil;
#pragma mark - Alloc/Init
- (id)initWithCoder:(NSCoder *)aDecoder
{
self = [super initWithCoder:aDecoder];
if (self)
{
[self constructChartView];
}
return self;
}
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self)
{
self.clipsToBounds = YES;
[self constructChartView];
}
return self;
}
@@ -38,6 +54,15 @@ static UIColor *kJBChartVerticalSelectionViewDefaultBgColor = nil;
return [self initWithFrame:CGRectZero];
}
#pragma mark - Construction
- (void)constructChartView
{
self.clipsToBounds = YES;
_mininumValue = kJBChartViewUndefinedMinimumValue;
_maximumValue = kJBChartViewUndefinedMaximumValue;
}
#pragma mark - Public
- (void)reloadData
@@ -45,7 +70,7 @@ static UIColor *kJBChartVerticalSelectionViewDefaultBgColor = nil;
// Override
}
#pragma mark - Helpers
#pragma mark - Validation
- (void)validateHeaderAndFooterHeights
{
@@ -86,9 +111,9 @@ static UIColor *kJBChartVerticalSelectionViewDefaultBgColor = nil;
[self reloadData];
}
- (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback
- (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback force:(BOOL)force
{
if (_state == state)
if ((_state == state) && !force)
{
return;
}
@@ -98,6 +123,11 @@ static UIColor *kJBChartVerticalSelectionViewDefaultBgColor = nil;
// Override
}
- (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback
{
[self setState:state animated:animated callback:callback force:NO];
}
- (void)setState:(JBChartViewState)state animated:(BOOL)animated
{
[self setState:state animated:animated callback:nil];
@@ -108,6 +138,18 @@ static UIColor *kJBChartVerticalSelectionViewDefaultBgColor = nil;
[self setState:state animated:NO];
}
- (void)setMininumValue:(CGFloat)mininumValue
{
NSAssert(mininumValue >= 0, @"JBChartView // the minimumValue must be >= 0.");
_mininumValue = mininumValue;
}
- (void)setMaximumValue:(CGFloat)maximumValue
{
NSAssert(maximumValue >= 0, @"JBChartView // the maximumValue must be >= 0.");
_maximumValue = maximumValue;
}
@end
@implementation JBChartVerticalSelectionView
+4 -2
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@@ -1,14 +1,16 @@
Pod::Spec.new do |s|
s.name = "JBChartView"
s.version = "2.0.2"
s.version = "2.4.0"
s.summary = "Jawbone's iOS-based charting library for both line and bar graphs."
s.homepage = "https://github.com/Jawbone/JBChartView"
s.screenshot = "https://raw.github.com/Jawbone/JBChartView/master/Screenshots/main.png"
s.license = { :type => 'Apache', :file => 'LICENSE' }
s.author = { "Terry Worona" => "tworona@jawbone.com" }
s.source = {
:git => "https://github.com/Jawbone/JBChartView.git",
:tag => "v2.0.2"
:tag => "v2.4.0"
}
s.platform = :ios, '7.0'
Regular → Executable
+61 -4
View File
@@ -70,7 +70,8 @@ typedef NS_ENUM(NSInteger, JBLineChartViewLineStyle){
* Occurs whenever there is a touch gesture on the chart (chart must be expanded).
* The horizontal index is the closest index to the touch point & is clamped to it's max/min value if it moves outside of the view's bounds.
* The lineIndex remains constant until the line is unselected and will be highlighted using the (optional) selectionColorForLineAtLineIndex: protocol.
* Futhermore, all other lines that aren't selected will be dimmed to 50% opacity throughout the duration of the touch/move.
* Futhermore, all other lines that aren't selected will be dimmed to 20%% opacity throughout the duration of the touch/move. Any dotted line that isn't the
* primary selection will have it's dots dimmed to hidden (to avoid transparency issues).
*
* @param lineChartView A line chart object informing the delegate about the new selection.
* @param lineIndex An index number identifying the closest line in the chart to the current touch
@@ -126,6 +127,21 @@ typedef NS_ENUM(NSInteger, JBLineChartViewLineStyle){
*/
- (UIColor *)lineChartView:(JBLineChartView *)lineChartView colorForLineAtLineIndex:(NSUInteger)lineIndex;
/**
* Returns the color of a particular dot in a line at lineIndex within the chart.
* For this value to apply, showsDotsForLineAtLineIndex: must return YES for the line at lineIndex.
* Any value can be returned for lineIndex's that don't support dots, as it will never be called.
*
* Default: black color.
*
* @param lineChartView The line chart object requesting this information.
* @param horizontalIndex The 0-based horizontal index of a selection point (left to right, x-axis).point.
* @param lineIndex An index number identifying a line in the chart.
*
* @return The color to be used to color a dot within a dotted line in the chart.
*/
- (UIColor *)lineChartView:(JBLineChartView *)lineChartView colorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex;
/**
* Returns the width of particular line at lineIndex within the chart.
*
@@ -138,6 +154,33 @@ typedef NS_ENUM(NSInteger, JBLineChartViewLineStyle){
*/
- (CGFloat)lineChartView:(JBLineChartView *)lineChartView widthForLineAtLineIndex:(NSUInteger)lineIndex;
/**
* Returns the radius of all dots in a particular line at lineIndex within the chart.
* For this value to apply, showsDotsForLineAtLineIndex: must return YES for the line at lineIndex.
* Any value can be returned for lineIndex's that don't support dots, as it will never be called.
*
* Default: line width x 3.
*
* @param lineChartView The line chart object requesting this information.
* @param lineIndex An index number identifying a line in the chart.
*
* @return The radius of the dots within a dotted line in the chart.
*/
- (CGFloat)lineChartView:(JBLineChartView *)lineChartView dotRadiusForLineAtLineIndex:(NSUInteger)lineIndex;
/**
* Returns the width of the (vertical) selection view to be overlayed on the chart during touch events.
* The property showsVerticalSelection must be YES for the width to apply. The width is clamped to the
* maxmimum width of the chart's bounds.
*
* Default: 20px.
*
* @param lineChartView The line chart object requesting this information.
*
* @return The width of the selection view used during chart selections.
*/
- (CGFloat)verticalSelectionWidthForLineChartView:(JBLineChartView *)lineChartView;
/**
* Returns the (vertical) selection color to be overlayed on the chart during touch events.
* The color is automically faded to transparent (vertically). The property showsVerticalSelection
@@ -147,7 +190,7 @@ typedef NS_ENUM(NSInteger, JBLineChartViewLineStyle){
*
* @param lineChartView The line chart object requesting this information.
*
* @return The color to be used on chart selections.
* @return The color of the selection view used during chart selections.
*/
- (UIColor *)verticalSelectionColorForLineChartView:(JBLineChartView *)lineChartView;
@@ -164,6 +207,20 @@ typedef NS_ENUM(NSInteger, JBLineChartViewLineStyle){
*/
- (UIColor *)lineChartView:(JBLineChartView *)lineChartView selectionColorForLineAtLineIndex:(NSUInteger)lineIndex;
/**
* Returns the selection color to be overlayed on a line within the chart during touch events.
* The property showsLineSelection must be YES for the color to apply.
*
* Default: white color.
*
* @param lineChartView The line chart object requesting this information.
* @param horizontalIndex The 0-based horizontal index of a selection point (left to right, x-axis).point.
* @param lineIndex An index number identifying a line in the chart.
*
* @return The color to be used to highlight a dot within a dotted line during chart selections.
*/
- (UIColor *)lineChartView:(JBLineChartView *)lineChartView selectionColorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex;
/**
* Returns the line style of a particular line at lineIndex within the chart.
* See JBLineChartViewLineStyle for line style descriptions.
@@ -192,14 +249,14 @@ typedef NS_ENUM(NSInteger, JBLineChartViewLineStyle){
- (BOOL)lineChartView:(JBLineChartView *)lineChartView showsDotsForLineAtLineIndex:(NSUInteger)lineIndex;
/**
* Returns whether or not a line should be smoothed (rounded end caps and connections).
* Returns whether or not a line should be rendered with curved connections and rounded end caps.
*
* Default: NO
*
* @param lineChartView The line chart object requesting this information.
* @param lineIndex An index number identifying a line in the chart.
*
* @return Whether or not a line should smooth it's ends and connections.
* @return Whether or not a line should smooth it's connections and end caps.
*/
- (BOOL)lineChartView:(JBLineChartView *)lineChartView smoothLineAtLineIndex:(NSUInteger)lineIndex;
Regular → Executable
+291 -72
View File
@@ -19,22 +19,22 @@ typedef NS_ENUM(NSUInteger, JBLineChartHorizontalIndexClamp){
};
// Numerics (JBLineChartLineView)
CGFloat static const kJBLineChartLinesViewEdgePadding = 10.0;
CGFloat static const kJBLineChartLinesViewStrokeWidth = 5.0;
CGFloat static const kJBLineChartLinesViewMiterLimit = -5.0;
CGFloat static const kJBLineChartLinesViewDefaultLinePhase = 1.0f;
CGFloat static const kJBLineChartLinesViewDefaultDimmedOpacity = 0.5f;
CGFloat static const kJBLineChartLinesViewDefaultDimmedOpacity = 0.20f;
NSInteger static const kJBLineChartLinesViewUnselectedLineIndex = -1;
CGFloat static const kJBLineChartLinesViewSlopeThreshold = 0.01f;
// Numerics (JBLineChartDotsView)
NSInteger static const kJBLineChartDotsViewRadiusFactor = 3; // 3x size of line width
NSInteger static const kJBLineChartDotsViewDefaultRadiusFactor = 3; // 3x size of line width
NSInteger static const kJBLineChartDotsViewUnselectedLineIndex = -1;
// Numerics (JBLineSelectionView)
CGFloat static const kJBLineSelectionViewWidth = 20.0f;
// Numerics (JBLineChartView)
CGFloat static const kJBLineChartViewUndefinedMaxHeight = -1.0f;
CGFloat static const kJBBarChartViewUndefinedCachedHeight = -1.0f;
CGFloat static const kJBLineChartViewStateAnimationDuration = 0.25f;
CGFloat static const kJBLineChartViewStateAnimationDelay = 0.05f;
CGFloat static const kJBLineChartViewStateBounceOffset = 15.0f;
@@ -45,7 +45,9 @@ static NSArray *kJBLineChartLineViewDefaultDashPattern = nil;
// Colors (JBLineChartView)
static UIColor *kJBLineChartViewDefaultLineColor = nil;
static UIColor *kJBLineChartViewDefaultDotColor = nil;
static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
static UIColor *kJBLineChartViewDefaultDotSelectionColor = nil;
@interface JBLineLayer : CAShapeLayer
@@ -88,6 +90,7 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
- (UIColor *)lineChartLinesView:(JBLineChartLinesView *)lineChartLinesView colorForLineAtLineIndex:(NSUInteger)lineIndex;
- (UIColor *)lineChartLinesView:(JBLineChartLinesView *)lineChartLinesView selectedColorForLineAtLineIndex:(NSUInteger)lineIndex;
- (CGFloat)lineChartLinesView:(JBLineChartLinesView *)lineChartLinesView widthForLineAtLineIndex:(NSUInteger)lineIndex;
- (CGFloat)paddingForLineChartLinesView:(JBLineChartLinesView *)lineChartLinesView;
- (JBLineChartViewLineStyle)lineChartLinesView:(JBLineChartLinesView *)lineChartLinesView lineStyleForLineAtLineIndex:(NSUInteger)lineIndex;
- (BOOL)lineChartLinesView:(JBLineChartLinesView *)lineChartLinesView smoothLineAtLineIndex:(NSUInteger)lineIndex;
@@ -113,8 +116,12 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
- (NSArray *)chartDataForLineChartDotsView:(JBLineChartDotsView*)lineChartDotsView;
- (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView colorForLineAtLineIndex:(NSUInteger)lineIndex;
- (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView colorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex;
- (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView selectedColorForLineAtLineIndex:(NSUInteger)lineIndex;
- (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView selectedColorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex;
- (CGFloat)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView widthForLineAtLineIndex:(NSUInteger)lineIndex;
- (CGFloat)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView dotRadiusForLineAtLineIndex:(NSUInteger)lineIndex;
- (CGFloat)paddingForLineChartDotsView:(JBLineChartDotsView *)lineChartDotsView;
- (BOOL)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView showsDotsForLineAtLineIndex:(NSUInteger)lineIndex;
@end
@@ -132,6 +139,7 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
@property (nonatomic, strong) JBLineChartDotsView *dotsView;
@property (nonatomic, strong) JBChartVerticalSelectionView *verticalSelectionView;
@property (nonatomic, assign) CGFloat cachedMaxHeight;
@property (nonatomic, assign) CGFloat cachedMinHeight;
@property (nonatomic, assign) BOOL verticalSelectionViewVisible;
// Initialization
@@ -140,8 +148,9 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
// View quick accessors
- (CGFloat)normalizedHeightForRawHeight:(CGFloat)rawHeight;
- (CGFloat)availableHeight;
- (CGFloat)maxHeight;
- (CGFloat)minHeight;
- (CGFloat)maxHeight;
- (CGFloat)padding;
- (NSUInteger)dataCount;
// Touch helpers
@@ -167,7 +176,9 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
if (self == [JBLineChartView class])
{
kJBLineChartViewDefaultLineColor = [UIColor blackColor];
kJBLineChartViewDefaultDotColor = [UIColor blackColor];
kJBLineChartViewDefaultLineSelectionColor = [UIColor whiteColor];
kJBLineChartViewDefaultDotSelectionColor = [UIColor whiteColor];
}
}
@@ -205,15 +216,20 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
{
_showsVerticalSelection = YES;
_showsLineSelection = YES;
_cachedMaxHeight = kJBLineChartViewUndefinedMaxHeight;
_cachedMinHeight = kJBBarChartViewUndefinedCachedHeight;
_cachedMaxHeight = kJBBarChartViewUndefinedCachedHeight;
}
#pragma mark - Data
- (void)reloadData
{
// reset cached max height
self.cachedMaxHeight = kJBLineChartViewUndefinedMaxHeight;
// Reset cached max height
self.cachedMinHeight = kJBBarChartViewUndefinedCachedHeight;
self.cachedMaxHeight = kJBBarChartViewUndefinedCachedHeight;
// Padding
CGFloat chartPadding = [self padding];
/*
* Subview rectangle calculations
@@ -226,10 +242,10 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
*/
dispatch_block_t createChartData = ^{
CGFloat pointSpace = (self.bounds.size.width - (kJBLineChartLinesViewEdgePadding * 2)) / ([self dataCount] - 1); // Space in between points
CGFloat xOffset = kJBLineChartLinesViewEdgePadding;
CGFloat pointSpace = (self.bounds.size.width - (chartPadding * 2)) / ([self dataCount] - 1); // Space in between points
CGFloat xOffset = chartPadding;
CGFloat yOffset = 0;
NSMutableArray *mutableChartData = [NSMutableArray array];
NSAssert([self.dataSource respondsToSelector:@selector(numberOfLinesInLineChartView:)], @"JBLineChartView // dataSource must implement - (NSUInteger)numberOfLinesInLineChartView:(JBLineChartView *)lineChartView");
for (NSUInteger lineIndex=0; lineIndex<[self.dataSource numberOfLinesInLineChartView:self]; lineIndex++)
@@ -238,7 +254,7 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
NSUInteger dataCount = [self.dataSource lineChartView:self numberOfVerticalValuesAtLineIndex:lineIndex];
NSMutableArray *chartPointData = [NSMutableArray array];
for (NSUInteger horizontalIndex=0; horizontalIndex<dataCount; horizontalIndex++)
{
{
NSAssert([self.delegate respondsToSelector:@selector(lineChartView:verticalValueForHorizontalIndex:atLineIndex:)], @"JBLineChartView // delegate must implement - (CGFloat)lineChartView:(JBLineChartView *)lineChartView verticalValueForHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex");
CGFloat rawHeight = [self.delegate lineChartView:self verticalValueForHorizontalIndex:horizontalIndex atLineIndex:lineIndex];
NSAssert(rawHeight >= 0, @"JBLineChartView // delegate function - (CGFloat)lineChartView:(JBLineChartView *)lineChartView verticalValueForHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex must return a CGFloat >= 0");
@@ -253,7 +269,7 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
xOffset += pointSpace;
}
[mutableChartData addObject:chartPointData];
xOffset = kJBLineChartLinesViewEdgePadding;
xOffset = chartPadding;
}
self.chartData = [NSArray arrayWithArray:mutableChartData];
};
@@ -273,7 +289,7 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
// Create new line and overlay subviews
self.linesView = [[JBLineChartLinesView alloc] initWithFrame:CGRectOffset(mainViewRect, 0, self.headerView.frame.size.height + self.headerPadding)];
self.linesView.delegate = self;
// Add new lines view
if (self.footerView)
{
@@ -322,7 +338,12 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
self.verticalSelectionView = nil;
}
self.verticalSelectionView = [[JBChartVerticalSelectionView alloc] initWithFrame:CGRectMake(0, 0, kJBLineSelectionViewWidth, self.bounds.size.height - self.footerView.frame.size.height)];
CGFloat selectionViewWidth = kJBLineSelectionViewWidth;
if ([self.dataSource respondsToSelector:@selector(verticalSelectionWidthForLineChartView:)])
{
selectionViewWidth = MIN([self.dataSource verticalSelectionWidthForLineChartView:self], self.bounds.size.width);
}
self.verticalSelectionView = [[JBChartVerticalSelectionView alloc] initWithFrame:CGRectMake(0, 0, selectionViewWidth, self.bounds.size.height - self.footerView.frame.size.height)];
self.verticalSelectionView.alpha = 0.0;
self.verticalSelectionView.hidden = !self.showsVerticalSelection;
if ([self.dataSource respondsToSelector:@selector(verticalSelectionColorForLineChartView:)])
@@ -353,6 +374,9 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
// Position header and footer
self.headerView.frame = CGRectMake(self.bounds.origin.x, self.bounds.origin.y, self.bounds.size.width, self.headerView.frame.size.height);
self.footerView.frame = CGRectMake(self.bounds.origin.x, self.bounds.size.height - self.footerView.frame.size.height, self.bounds.size.width, self.footerView.frame.size.height);
// Refresh state
[self setState:self.state animated:NO callback:nil force:YES];
}
#pragma mark - View Quick Accessors
@@ -375,35 +399,59 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
return self.bounds.size.height - self.headerView.frame.size.height - self.footerView.frame.size.height - self.headerPadding;
}
- (CGFloat)minHeight
{
if (self.mininumValue != kJBChartViewUndefinedMinimumValue)
{
return MIN(self.mininumValue, self.cachedMinHeight);
}
return self.cachedMinHeight;
}
- (CGFloat)maxHeight
{
if (self.cachedMaxHeight == kJBLineChartViewUndefinedMaxHeight)
if (self.maximumValue != kJBChartViewUndefinedMaximumValue)
{
CGFloat maxHeight = 0;
NSAssert([self.dataSource respondsToSelector:@selector(numberOfLinesInLineChartView:)], @"JBLineChartView // dataSource must implement - (NSUInteger)numberOfLinesInLineChartView:(JBLineChartView *)lineChartView");
for (NSUInteger lineIndex=0; lineIndex<[self.dataSource numberOfLinesInLineChartView:self]; lineIndex++)
{
NSAssert([self.dataSource respondsToSelector:@selector(lineChartView:numberOfVerticalValuesAtLineIndex:)], @"JBLineChartView // dataSource must implement - (NSUInteger)lineChartView:(JBLineChartView *)lineChartView numberOfVerticalValuesAtLineIndex:(NSUInteger)lineIndex");
NSUInteger dataCount = [self.dataSource lineChartView:self numberOfVerticalValuesAtLineIndex:lineIndex];
for (NSUInteger horizontalIndex=0; horizontalIndex<dataCount; horizontalIndex++)
{
NSAssert([self.delegate respondsToSelector:@selector(lineChartView:verticalValueForHorizontalIndex:atLineIndex:)], @"JBLineChartView // delegate must implement - (CGFloat)lineChartView:(JBLineChartView *)lineChartView verticalValueForHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex");
CGFloat height = [self.delegate lineChartView:self verticalValueForHorizontalIndex:horizontalIndex atLineIndex:lineIndex];
NSAssert(height >= 0, @"JBLineChartView // delegate function - (CGFloat)lineChartView:(JBLineChartView *)lineChartView verticalValueForHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex must return a CGFloat >= 0");
if (height > maxHeight)
{
maxHeight = height;
}
}
}
self.cachedMaxHeight = maxHeight;
return MAX(self.maximumValue, self.cachedMaxHeight);
}
return self.cachedMaxHeight;
}
- (CGFloat)minHeight
- (CGFloat)padding
{
return 0;
CGFloat maxLineWidth = 0.0f;
NSAssert([self.dataSource respondsToSelector:@selector(numberOfLinesInLineChartView:)], @"JBLineChartView // dataSource must implement - (NSUInteger)numberOfLinesInLineChartView:(JBLineChartView *)lineChartView");
for (int lineIndex=0; lineIndex<[self.dataSource numberOfLinesInLineChartView:self]; lineIndex++)
{
BOOL showsDots = NO;
if ([self.dataSource respondsToSelector:@selector(lineChartView:showsDotsForLineAtLineIndex:)])
{
showsDots = [self.dataSource lineChartView:self showsDotsForLineAtLineIndex:lineIndex];
}
CGFloat lineWidth = kJBLineChartLinesViewStrokeWidth; // default
if ([self.dataSource respondsToSelector:@selector(lineChartView:widthForLineAtLineIndex:)])
{
lineWidth = [self.dataSource lineChartView:self widthForLineAtLineIndex:lineWidth];
}
CGFloat dotRadius = lineWidth * kJBLineChartDotsViewDefaultRadiusFactor; // default
if (showsDots)
{
if ([self.dataSource respondsToSelector:@selector(lineChartView:dotRadiusForLineAtLineIndex:)])
{
dotRadius = [self.dataSource lineChartView:self dotRadiusForLineAtLineIndex:lineIndex];
}
}
CGFloat currentMaxLineWidth = MAX(dotRadius, lineWidth);
if (currentMaxLineWidth > maxLineWidth)
{
maxLineWidth = currentMaxLineWidth;
}
}
return ceil(maxLineWidth * 0.5);
}
- (NSUInteger)dataCount
@@ -456,13 +504,9 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
return kJBLineChartLinesViewStrokeWidth;
}
- (BOOL)lineChartLinesView:(JBLineChartLinesView *)lineChartLinesView smoothLineAtLineIndex:(NSUInteger)lineIndex
- (CGFloat)paddingForLineChartLinesView:(JBLineChartLinesView *)lineChartLinesView
{
if ([self.dataSource respondsToSelector:@selector(lineChartView:smoothLineAtLineIndex:)])
{
return [self.dataSource lineChartView:self smoothLineAtLineIndex:lineIndex];
}
return NO;
return [self padding];
}
- (JBLineChartViewLineStyle)lineChartLinesView:(JBLineChartLinesView *)lineChartLinesView lineStyleForLineAtLineIndex:(NSUInteger)lineIndex
@@ -474,6 +518,15 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
return JBLineChartViewLineStyleSolid;
}
- (BOOL)lineChartLinesView:(JBLineChartLinesView *)lineChartLinesView smoothLineAtLineIndex:(NSUInteger)lineIndex
{
if ([self.dataSource respondsToSelector:@selector(lineChartView:smoothLineAtLineIndex:)])
{
return [self.dataSource lineChartView:self smoothLineAtLineIndex:lineIndex];
}
return NO;
}
#pragma mark - JBLineChartDotsViewDelegate
- (NSArray *)chartDataForLineChartDotsView:(JBLineChartDotsView*)lineChartDotsView
@@ -490,6 +543,15 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
return kJBLineChartViewDefaultLineColor;
}
- (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView colorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex
{
if ([self.dataSource respondsToSelector:@selector(lineChartView:colorForDotAtHorizontalIndex:atLineIndex:)])
{
return [self.dataSource lineChartView:self colorForDotAtHorizontalIndex:horizontalIndex atLineIndex:lineIndex];
}
return kJBLineChartViewDefaultDotColor;
}
- (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView selectedColorForLineAtLineIndex:(NSUInteger)lineIndex
{
if ([self.dataSource respondsToSelector:@selector(lineChartView:selectionColorForLineAtLineIndex:)])
@@ -499,6 +561,15 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
return kJBLineChartViewDefaultLineSelectionColor;
}
- (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView selectedColorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex
{
if ([self.dataSource respondsToSelector:@selector(lineChartView:selectionColorForDotAtHorizontalIndex:atLineIndex:)])
{
return [self.dataSource lineChartView:self selectionColorForDotAtHorizontalIndex:horizontalIndex atLineIndex:lineIndex];
}
return kJBLineChartViewDefaultDotSelectionColor;
}
- (CGFloat)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView widthForLineAtLineIndex:(NSUInteger)lineIndex
{
if ([self.dataSource respondsToSelector:@selector(lineChartView:widthForLineAtLineIndex:)])
@@ -508,6 +579,23 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
return kJBLineChartLinesViewStrokeWidth;
}
- (CGFloat)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView dotRadiusForLineAtLineIndex:(NSUInteger)lineIndex
{
if ([self.dataSource respondsToSelector:@selector(lineChartView:dotRadiusForLineAtLineIndex:)])
{
return [self.dataSource lineChartView:self dotRadiusForLineAtLineIndex:lineIndex];
}
else
{
return [self lineChartDotsView:lineChartDotsView widthForLineAtLineIndex:lineIndex] * kJBLineChartDotsViewDefaultRadiusFactor;
}
}
- (CGFloat)paddingForLineChartDotsView:(JBLineChartDotsView *)lineChartDotsView
{
return [self padding];
}
- (BOOL)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView showsDotsForLineAtLineIndex:(NSUInteger)lineIndex
{
if ([self.dataSource respondsToSelector:@selector(lineChartView:showsDotsForLineAtLineIndex:)])
@@ -519,9 +607,9 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
#pragma mark - Setters
- (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback
- (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback force:(BOOL)force
{
[super setState:state animated:animated callback:callback];
[super setState:state animated:animated callback:callback force:force];
if ([self.chartData count] > 0)
{
@@ -552,7 +640,7 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
callback();
}
}];
}];
}];
[UIView animateWithDuration:kJBLineChartViewStateAnimationDuration delay:(self.state == JBChartViewStateExpanded) ? kJBLineChartViewStateAnimationDelay : 0.0 options:UIViewAnimationOptionBeginFromCurrentState animations:^{
adjustViewAlphas();
} completion:nil];
@@ -576,6 +664,83 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
}
}
- (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback
{
[self setState:state animated:animated callback:callback force:NO];
}
#pragma mark - Getters
- (CGFloat)cachedMinHeight
{
if (_cachedMinHeight == kJBBarChartViewUndefinedCachedHeight)
{
CGFloat minHeight = FLT_MAX;
NSAssert([self.dataSource respondsToSelector:@selector(numberOfLinesInLineChartView:)], @"JBLineChartView // dataSource must implement - (NSUInteger)numberOfLinesInLineChartView:(JBLineChartView *)lineChartView");
for (NSUInteger lineIndex=0; lineIndex<[self.dataSource numberOfLinesInLineChartView:self]; lineIndex++)
{
NSAssert([self.dataSource respondsToSelector:@selector(lineChartView:numberOfVerticalValuesAtLineIndex:)], @"JBLineChartView // dataSource must implement - (NSUInteger)lineChartView:(JBLineChartView *)lineChartView numberOfVerticalValuesAtLineIndex:(NSUInteger)lineIndex");
NSUInteger dataCount = [self.dataSource lineChartView:self numberOfVerticalValuesAtLineIndex:lineIndex];
for (NSUInteger horizontalIndex=0; horizontalIndex<dataCount; horizontalIndex++)
{
NSAssert([self.delegate respondsToSelector:@selector(lineChartView:verticalValueForHorizontalIndex:atLineIndex:)], @"JBLineChartView // delegate must implement - (CGFloat)lineChartView:(JBLineChartView *)lineChartView verticalValueForHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex");
CGFloat height = [self.delegate lineChartView:self verticalValueForHorizontalIndex:horizontalIndex atLineIndex:lineIndex];
NSAssert(height >= 0, @"JBLineChartView // delegate function - (CGFloat)lineChartView:(JBLineChartView *)lineChartView verticalValueForHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex must return a CGFloat >= 0");
if (height < minHeight)
{
minHeight = height;
}
}
}
_cachedMinHeight = minHeight;
}
return _cachedMinHeight;
}
- (CGFloat)cachedMaxHeight
{
if (_cachedMaxHeight == kJBBarChartViewUndefinedCachedHeight)
{
CGFloat maxHeight = 0;
NSAssert([self.dataSource respondsToSelector:@selector(numberOfLinesInLineChartView:)], @"JBLineChartView // dataSource must implement - (NSUInteger)numberOfLinesInLineChartView:(JBLineChartView *)lineChartView");
for (NSUInteger lineIndex=0; lineIndex<[self.dataSource numberOfLinesInLineChartView:self]; lineIndex++)
{
NSAssert([self.dataSource respondsToSelector:@selector(lineChartView:numberOfVerticalValuesAtLineIndex:)], @"JBLineChartView // dataSource must implement - (NSUInteger)lineChartView:(JBLineChartView *)lineChartView numberOfVerticalValuesAtLineIndex:(NSUInteger)lineIndex");
NSUInteger dataCount = [self.dataSource lineChartView:self numberOfVerticalValuesAtLineIndex:lineIndex];
for (NSUInteger horizontalIndex=0; horizontalIndex<dataCount; horizontalIndex++)
{
NSAssert([self.delegate respondsToSelector:@selector(lineChartView:verticalValueForHorizontalIndex:atLineIndex:)], @"JBLineChartView // delegate must implement - (CGFloat)lineChartView:(JBLineChartView *)lineChartView verticalValueForHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex");
CGFloat height = [self.delegate lineChartView:self verticalValueForHorizontalIndex:horizontalIndex atLineIndex:lineIndex];
NSAssert(height >= 0, @"JBLineChartView // delegate function - (CGFloat)lineChartView:(JBLineChartView *)lineChartView verticalValueForHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex must return a CGFloat >= 0");
if (height > maxHeight)
{
maxHeight = height;
}
}
}
_cachedMaxHeight = maxHeight;
}
return _cachedMaxHeight;
}
- (CGFloat)mininumValue
{
if ([super mininumValue] == kJBChartViewUndefinedMinimumValue)
{
return self.cachedMinHeight;
}
return [super mininumValue];
}
- (CGFloat)maximumValue
{
if ([super maximumValue] == kJBChartViewUndefinedMaximumValue)
{
return self.cachedMaxHeight;
}
return [super maximumValue];
}
#pragma mark - Touch Helpers
- (CGPoint)clampPoint:(CGPoint)point toBounds:(CGRect)bounds padding:(CGFloat)padding
@@ -628,6 +793,9 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
NSInteger leftHorizontalIndex = [self horizontalIndexForPoint:point indexClamp:JBLineChartHorizontalIndexClampLeft];
NSInteger rightHorizontalIndex = [self horizontalIndexForPoint:point indexClamp:JBLineChartHorizontalIndexClampRight];
// Padding
CGFloat chartPadding = [self padding];
NSUInteger shortestDistance = INT_MAX;
NSInteger selectedIndex = kJBLineChartUnselectedLineIndex;
NSAssert([self.dataSource respondsToSelector:@selector(numberOfLinesInLineChartView:)], @"JBLineChartView // dataSource must implement - (NSUInteger)numberOfLinesInLineChartView:(JBLineChartView *)lineChartView");
@@ -642,11 +810,11 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
// Left point
JBLineChartPoint *leftLineChartPoint = [lineData objectAtIndex:leftHorizontalIndex];
CGPoint leftPoint = CGPointMake(leftLineChartPoint.position.x, fmin(fmax(kJBLineChartLinesViewEdgePadding, self.linesView.bounds.size.height - leftLineChartPoint.position.y), self.linesView.bounds.size.height - kJBLineChartLinesViewEdgePadding));
CGPoint leftPoint = CGPointMake(leftLineChartPoint.position.x, fmin(fmax(chartPadding, self.linesView.bounds.size.height - leftLineChartPoint.position.y), self.linesView.bounds.size.height - chartPadding));
// Right point
JBLineChartPoint *rightLineChartPoint = [lineData objectAtIndex:rightHorizontalIndex];
CGPoint rightPoint = CGPointMake(rightLineChartPoint.position.x, fmin(fmax(kJBLineChartLinesViewEdgePadding, self.linesView.bounds.size.height - rightLineChartPoint.position.y), self.linesView.bounds.size.height - kJBLineChartLinesViewEdgePadding));
CGPoint rightPoint = CGPointMake(rightLineChartPoint.position.x, fmin(fmax(chartPadding, self.linesView.bounds.size.height - rightLineChartPoint.position.y), self.linesView.bounds.size.height - chartPadding));
// Touch point
CGPoint normalizedTouchPoint = CGPointMake(point.x, self.linesView.bounds.size.height - point.y);
@@ -676,7 +844,7 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
}
UITouch *touch = [touches anyObject];
CGPoint touchPoint = [self clampPoint:[touch locationInView:self.linesView] toBounds:self.linesView.bounds padding:kJBLineChartLinesViewEdgePadding];
CGPoint touchPoint = [self clampPoint:[touch locationInView:self.linesView] toBounds:self.linesView.bounds padding:[self padding]];
if ([self.delegate respondsToSelector:@selector(lineChartView:didSelectLineAtIndex:horizontalIndex:touchPoint:)])
{
@@ -709,8 +877,12 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
{
[self.delegate didUnselectLineInLineChartView:self];
}
[self.linesView setSelectedLineIndex:kJBLineChartLinesViewUnselectedLineIndex animated:YES];
[self.dotsView setSelectedLineIndex:kJBLineChartDotsViewUnselectedLineIndex animated:YES];
if (self.showsLineSelection)
{
[self.linesView setSelectedLineIndex:kJBLineChartLinesViewUnselectedLineIndex animated:YES];
[self.dotsView setSelectedLineIndex:kJBLineChartDotsViewUnselectedLineIndex animated:YES];
}
}
#pragma mark - Setters
@@ -749,9 +921,12 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
UITouch *touch = [touches anyObject];
CGPoint touchPoint = [self clampPoint:[touch locationInView:self.linesView] toBounds:self.linesView.bounds padding:kJBLineChartLinesViewEdgePadding];
[self.linesView setSelectedLineIndex:[self lineIndexForPoint:touchPoint] animated:YES];
[self.dotsView setSelectedLineIndex:[self lineIndexForPoint:touchPoint] animated:YES];
CGPoint touchPoint = [self clampPoint:[touch locationInView:self.linesView] toBounds:self.linesView.bounds padding:[self padding]];
if (self.showsLineSelection)
{
[self.linesView setSelectedLineIndex:[self lineIndexForPoint:touchPoint] animated:YES];
[self.dotsView setSelectedLineIndex:[self lineIndexForPoint:touchPoint] animated:YES];
}
[self touchesBeganOrMovedWithTouches:touches];
}
@@ -867,6 +1042,9 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
NSAssert([self.delegate respondsToSelector:@selector(chartDataForLineChartLinesView:)], @"JBLineChartLinesView // delegate must implement - (NSArray *)chartDataForLineChartLinesView:(JBLineChartLinesView *)lineChartLinesView");
NSArray *chartData = [self.delegate chartDataForLineChartLinesView:self];
NSAssert([self.delegate respondsToSelector:@selector(paddingForLineChartLinesView:)], @"JBLineChartLinesView // delegate must implement - (CGFloat)paddingForLineChartLinesView:(JBLineChartLinesView *)lineChartLinesView");
CGFloat padding = [self.delegate paddingForLineChartLinesView:self];
NSUInteger lineIndex = 0;
for (NSArray *lineData in chartData)
@@ -874,18 +1052,54 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
UIBezierPath *path = [UIBezierPath bezierPath];
path.miterLimit = kJBLineChartLinesViewMiterLimit;
JBLineChartPoint *previousLineChartPoint = nil;
CGFloat previousSlope;
NSAssert([self.delegate respondsToSelector:@selector(lineChartLinesView:smoothLineAtLineIndex:)], @"JBLineChartLinesView // delegate must implement - (BOOL)lineChartLinesView:(JBLineChartLinesView *)lineChartLinesView smoothLineAtLineIndex:(NSUInteger)lineIndex");
BOOL smoothLine = [self.delegate lineChartLinesView:self smoothLineAtLineIndex:lineIndex];
CGFloat nextSlope = 0;
CGFloat currentSlope = 0;
NSUInteger index = 0;
for (JBLineChartPoint *lineChartPoint in [lineData sortedArrayUsingSelector:@selector(compare:)])
NSArray *sortedLineData = [lineData sortedArrayUsingSelector:@selector(compare:)];
for (JBLineChartPoint *lineChartPoint in sortedLineData)
{
if (index == 0)
{
[path moveToPoint:CGPointMake(lineChartPoint.position.x, fmin(self.bounds.size.height - kJBLineChartLinesViewEdgePadding, fmax(kJBLineChartLinesViewEdgePadding, lineChartPoint.position.y)))];
[path moveToPoint:CGPointMake(lineChartPoint.position.x, fmin(self.bounds.size.height - padding, fmax(padding, lineChartPoint.position.y)))];
}
else
{
[path addLineToPoint:CGPointMake(lineChartPoint.position.x, fmin(self.bounds.size.height - kJBLineChartLinesViewEdgePadding, fmax(kJBLineChartLinesViewEdgePadding, lineChartPoint.position.y)))];
if (smoothLine == YES)
{
JBLineChartPoint *nextLineChartPoint = nil;
if (index != ([lineData count] - 1))
{
nextLineChartPoint = [sortedLineData objectAtIndex:(index + 1)];
}
nextSlope = (nextLineChartPoint != nil) ? ((nextLineChartPoint.position.y - lineChartPoint.position.y)) / ((nextLineChartPoint.position.x - lineChartPoint.position.x)) : previousSlope;
currentSlope = ((lineChartPoint.position.y - previousLineChartPoint.position.y)) / (lineChartPoint.position.x-previousLineChartPoint.position.x);
}
if (smoothLine && ((currentSlope >= (nextSlope + kJBLineChartLinesViewSlopeThreshold)) || (currentSlope <= (nextSlope - kJBLineChartLinesViewSlopeThreshold))))
{
CGFloat deltaX = lineChartPoint.position.x - previousLineChartPoint.position.x;
CGFloat controlPointX = previousLineChartPoint.position.x + (deltaX / 2);
CGPoint controlPoint1 = CGPointMake(controlPointX, previousLineChartPoint.position.y);
CGPoint controlPoint2 = CGPointMake(controlPointX, lineChartPoint.position.y);
[path addCurveToPoint:CGPointMake(lineChartPoint.position.x, fmin(self.bounds.size.height - padding, fmax(padding, lineChartPoint.position.y))) controlPoint1:controlPoint1 controlPoint2:controlPoint2];
}
else
{
[path addLineToPoint:CGPointMake(lineChartPoint.position.x, fmin(self.bounds.size.height - padding, fmax(padding, lineChartPoint.position.y)))];
}
previousSlope = currentSlope;
}
previousLineChartPoint = lineChartPoint;
index++;
}
@@ -902,9 +1116,7 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
NSAssert([self.delegate respondsToSelector:@selector(lineChartLinesView:colorForLineAtLineIndex:)], @"JBLineChartLinesView // delegate must implement - (UIColor *)lineChartLinesView:(JBLineChartLinesView *)lineChartLinesView colorForLineAtLineIndex:(NSUInteger)lineIndex");
shapeLayer.strokeColor = [self.delegate lineChartLinesView:self colorForLineAtLineIndex:lineIndex].CGColor;
NSAssert([self.delegate respondsToSelector:@selector(lineChartLinesView:smoothLineAtLineIndex:)], @"JBLineChartLinesView // delegate must implement - (UIColor *)lineChartLinesView:(JBLineChartLinesView *)lineChartLinesView colorForLineAtLineIndex:(NSUInteger)lineIndex");
BOOL smoothLine = [self.delegate lineChartLinesView:self smoothLineAtLineIndex:lineIndex];
if (smoothLine)
if (smoothLine == YES)
{
shapeLayer.lineCap = kCALineCapRound;
shapeLayer.lineJoin = kCALineJoinRound;
@@ -1036,6 +1248,9 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
NSAssert([self.delegate respondsToSelector:@selector(chartDataForLineChartDotsView:)], @"JBLineChartDotsView // delegate must implement - (NSArray *)chartDataForLineChartDotsView:(JBLineChartDotsView *)lineChartDotsView");
NSArray *chartData = [self.delegate chartDataForLineChartDotsView:self];
NSAssert([self.delegate respondsToSelector:@selector(paddingForLineChartDotsView:)], @"JBLineChartDotsView // delegate must implement - (CGFloat)paddingForLineChartDotsView:(JBLineChartDotsView *)lineChartDotsView");
CGFloat padding = [self.delegate paddingForLineChartDotsView:self];
NSUInteger lineIndex = 0;
NSMutableDictionary *mutableDotViewsDict = [NSMutableDictionary dictionary];
@@ -1046,20 +1261,22 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
if ([self.delegate lineChartDotsView:self showsDotsForLineAtLineIndex:lineIndex]) // line at index contains dots
{
NSMutableArray *mutableDotViews = [NSMutableArray array];
NSUInteger horizontalIndex = 0;
for (JBLineChartPoint *lineChartPoint in [lineData sortedArrayUsingSelector:@selector(compare:)])
{
NSAssert([self.delegate respondsToSelector:@selector(lineChartDotsView:widthForLineAtLineIndex:)], @"JBLineChartDotsView // delegate must implement - (CGFloat)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView widthForLineAtLineIndex:(NSUInteger)lineIndex");
CGFloat lineWidth = [self.delegate lineChartDotsView:self widthForLineAtLineIndex:lineIndex];
CGFloat dotRadius = lineWidth * kJBLineChartDotsViewRadiusFactor;
{
NSAssert([self.delegate respondsToSelector:@selector(lineChartDotsView:dotRadiusForLineAtLineIndex:)], @"JBLineChartDotsView // delegate must implement - (CGFloat)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView dotRadiusForLineAtLineIndex:(NSUInteger)lineIndex");
CGFloat dotRadius = [self.delegate lineChartDotsView:self dotRadiusForLineAtLineIndex:lineIndex];
JBLineChartDotView *dotView = [[JBLineChartDotView alloc] initWithRadius:dotRadius];
dotView.center = CGPointMake(lineChartPoint.position.x, fmin(self.bounds.size.height - kJBLineChartLinesViewEdgePadding, fmax(kJBLineChartLinesViewEdgePadding, lineChartPoint.position.y)));
dotView.center = CGPointMake(lineChartPoint.position.x, fmin(self.bounds.size.height - padding, fmax(padding, lineChartPoint.position.y)));
NSAssert([self.delegate respondsToSelector:@selector(lineChartDotsView:colorForLineAtLineIndex:)], @"JBLineChartDotsView // delegate must implement - (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView colorForLineAtLineIndex:(NSUInteger)lineIndex");
dotView.backgroundColor = [self.delegate lineChartDotsView:self colorForLineAtLineIndex:lineIndex];
NSAssert([self.delegate respondsToSelector:@selector(lineChartDotsView:colorForDotAtHorizontalIndex:atLineIndex:)], @"JBLineChartDotsView // delegate must implement - (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView colorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex");
dotView.backgroundColor = [self.delegate lineChartDotsView:self colorForDotAtHorizontalIndex:horizontalIndex atLineIndex:lineIndex];
[mutableDotViews addObject:dotView];
[self addSubview:dotView];
horizontalIndex++;
}
[mutableDotViewsDict setObject:[NSArray arrayWithArray:mutableDotViews] forKey:[NSNumber numberWithInteger:lineIndex]];
}
@@ -1076,6 +1293,7 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
dispatch_block_t adjustDots = ^{
[self.dotViewsDict enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
NSUInteger horizontalIndex = 0;
for (JBLineChartDotView *dotView in (NSArray *)obj)
{
if ([key isKindOfClass:[NSNumber class]])
@@ -1084,16 +1302,17 @@ static UIColor *kJBLineChartViewDefaultLineSelectionColor = nil;
if (_selectedLineIndex == lineIndex)
{
NSAssert([self.delegate respondsToSelector:@selector(lineChartDotsView:selectedColorForLineAtLineIndex:)], @"JBLineChartDotsView // delegate must implement - (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView selectedColorForLineAtLineIndex:(NSUInteger)lineIndex");
dotView.backgroundColor = [self.delegate lineChartDotsView:self selectedColorForLineAtLineIndex:lineIndex];
NSAssert([self.delegate respondsToSelector:@selector(lineChartDotsView:selectedColorForDotAtHorizontalIndex:atLineIndex:)], @"JBLineChartDotsView // delegate must implement - (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView selectedColorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex");
dotView.backgroundColor = [self.delegate lineChartDotsView:self selectedColorForDotAtHorizontalIndex:horizontalIndex atLineIndex:lineIndex];
}
else
{
NSAssert([self.delegate respondsToSelector:@selector(lineChartDotsView:colorForLineAtLineIndex:)], @"JBLineChartDotsView // delegate must implement - (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView colorForLineAtLineIndex:(NSUInteger)lineIndex");
dotView.backgroundColor = [self.delegate lineChartDotsView:self colorForLineAtLineIndex:lineIndex];
dotView.alpha = (_selectedLineIndex == kJBLineChartDotsViewUnselectedLineIndex) ? 1.0f : kJBLineChartLinesViewDefaultDimmedOpacity;
NSAssert([self.delegate respondsToSelector:@selector(lineChartDotsView:colorForDotAtHorizontalIndex:atLineIndex:)], @"JBLineChartDotsView // delegate must implement - (UIColor *)lineChartDotsView:(JBLineChartDotsView *)lineChartDotsView colorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex");
dotView.backgroundColor = [self.delegate lineChartDotsView:self colorForDotAtHorizontalIndex:horizontalIndex atLineIndex:lineIndex];
dotView.alpha = (_selectedLineIndex == kJBLineChartDotsViewUnselectedLineIndex) ? 1.0f : 0.0f; // hide dots on off-selection
}
}
horizontalIndex++;
}
}];
};
@@ -211,11 +211,21 @@ NSString * const kJBLineChartViewControllerNavButtonViewKey = @"view";
return (lineIndex == JBLineChartLineSolid) ? kJBColorLineChartDefaultSolidLineColor: kJBColorLineChartDefaultDashedLineColor;
}
- (UIColor *)lineChartView:(JBLineChartView *)lineChartView colorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex
{
return (lineIndex == JBLineChartLineSolid) ? kJBColorLineChartDefaultSolidLineColor: kJBColorLineChartDefaultDashedLineColor;
}
- (CGFloat)lineChartView:(JBLineChartView *)lineChartView widthForLineAtLineIndex:(NSUInteger)lineIndex
{
return (lineIndex == JBLineChartLineSolid) ? kJBLineChartViewControllerChartSolidLineWidth: kJBLineChartViewControllerChartDashedLineWidth;
}
- (CGFloat)lineChartView:(JBLineChartView *)lineChartView dotRadiusForLineAtLineIndex:(NSUInteger)lineIndex
{
return (lineIndex == JBLineChartLineSolid) ? 0.0: (kJBLineChartViewControllerChartDashedLineWidth * 4);
}
- (UIColor *)verticalSelectionColorForLineChartView:(JBLineChartView *)lineChartView
{
return [UIColor whiteColor];
@@ -226,6 +236,11 @@ NSString * const kJBLineChartViewControllerNavButtonViewKey = @"view";
return (lineIndex == JBLineChartLineSolid) ? kJBColorLineChartDefaultSolidSelectedLineColor: kJBColorLineChartDefaultDashedSelectedLineColor;
}
- (UIColor *)lineChartView:(JBLineChartView *)lineChartView selectionColorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex
{
return (lineIndex == JBLineChartLineSolid) ? kJBColorLineChartDefaultSolidSelectedLineColor: kJBColorLineChartDefaultDashedSelectedLineColor;
}
- (JBLineChartViewLineStyle)lineChartView:(JBLineChartView *)lineChartView lineStyleForLineAtLineIndex:(NSUInteger)lineIndex
{
return (lineIndex == JBLineChartLineSolid) ? JBLineChartViewLineStyleSolid : JBLineChartViewLineStyleDashed;
+18 -3
View File
@@ -38,7 +38,7 @@ Simply add the following line to your <code>Podfile</code>:
Your Podfile should look something like:
platform :ios, '7.0'
pod 'JBChartView', '~> 2.0.2'
pod 'JBChartView', '~> 2.4.0'
### The Old School Way
@@ -181,13 +181,18 @@ The color, width and style of each line in the chart can be customized via the <
return ...; // style of line in chart
}
Furthermore, the color of the selection bar and line can be customized via the <i>optional</i> protocols:
Furthermore, the color and width of the selection view along with the color of the selected line can be customized via the <i>optional</i> protocols:
- (UIColor *)verticalSelectionColorForLineChartView:(JBLineChartView *)lineChartView
{
return ...; // color of selection view
}
- (CGFloat)verticalSelectionWidthForLineChartView:(JBLineChartView *)lineChartView
{
return ...; // width of selection view
}
- (UIColor *)lineChartView:(JBLineChartView *)lineChartView selectionColorForLineAtLineIndex:(NSUInteger)lineIndex
{
return ...; // color of selected line
@@ -196,8 +201,18 @@ Furthermore, the color of the selection bar and line can be customized via the <
By default, each line will not show dots for each point. To enable this on a per-line basis:
- (BOOL)lineChartView:(JBLineChartView *)lineChartView showsDotsForLineAtLineIndex:(NSUInteger)lineIndex;
To customize the size of each dot (default 3x the line width), implement:
- (CGFloat)lineChartView:(JBLineChartView *)lineChartView dotRadiusForLineAtLineIndex:(NSUInteger)lineIndex;
As well, by default, each line will have squared off end caps and connection points. To enable line smoothing:
To customize the color of each dot during selection and non-selection events (default is white and black respectively), implement:
- (UIColor *)lineChartView:(JBLineChartView *)lineChartView colorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex;
- (UIColor *)lineChartView:(JBLineChartView *)lineChartView selectionColorForDotAtHorizontalIndex:(NSUInteger)horizontalIndex atLineIndex:(NSUInteger)lineIndex;
As well, by default, each line will have squared off end caps and connection points. To enable rounded connections and end caps:
- (BOOL)lineChartView:(JBLineChartView *)lineChartView smoothLineAtLineIndex:(NSUInteger)lineIndex;