Updated pod spec to latest version

Reset cached max height on data reload Fixes #7

Classes/JBBarChartView.h

@@ -39,7 +39,7 @@
  *
  *  @return The y-axis height of the supplied bar index (x-axis)
  */
-- (NSInteger)barChartView:(JBBarChartView *)barChartView heightForBarViewAtAtIndex:(NSInteger)index;
+- (CGFloat)barChartView:(JBBarChartView *)barChartView heightForBarViewAtAtIndex:(NSInteger)index;
 
 @optional
 

Classes/JBBarChartView.m

@@ -78,6 +78,9 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
 
 - (void)reloadData
 {
+    // reset cached max height
+    self.cachedMaxHeight = kJBBarChartViewUndefinedMaxHeight;
+
     /*
      * The data collection holds all position information:
      * constructed via datasource and delegate functions
@@ -93,7 +96,7 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
         NSMutableDictionary *dataDictionary = [NSMutableDictionary dictionary];
         for (NSInteger index=0; index<dataCount; index++)
         {
-            [dataDictionary setObject:[NSNumber numberWithInt:(int)[self.delegate barChartView:self heightForBarViewAtAtIndex:index]] forKey:[NSNumber numberWithInt:(int)index]];
+            [dataDictionary setObject:[NSNumber numberWithFloat:[self.delegate barChartView:self heightForBarViewAtAtIndex:index]] forKey:[NSNumber numberWithInt:(int)index]];
         }
         self.chartDataDictionary = [NSDictionary dictionaryWithDictionary:dataDictionary];
 	};

Classes/JBChartView.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "JBChartView"
-  s.version      = "1.1.0"
+  s.version      = "1.1.2"
   s.summary      = "Jawbone's iOS-based charting library for both line and bar graphs."
   s.homepage     = "https://github.com/Jawbone/JBChartView"
 
@@ -8,7 +8,7 @@ Pod::Spec.new do |s|
   s.author       = { "Terry Worona" => "tworona@jawbone.com" }
   s.source       = { 
 	:git => "https://github.com/Jawbone/JBChartView.git",
-	:tag => "v1.1.0"
+	:tag => "v1.1.2"
   }
 
   s.platform     = :ios, '7.0'

Classes/JBLineChartView.h

@@ -34,11 +34,11 @@
  *  the chart will automatically normalize all values between the overal min and max heights.
  *
  *  @param lineChartView The origin chart
- *  @param index        The 0-based index of a given line height (left to right, x-axis)
+ *  @param index         The 0-based index of a given line height (left to right, x-axis)
  *
  *  @return The y-axis value of the supplied line index (x-axis)
  */
-- (NSInteger)lineChartView:(JBLineChartView *)lineChartView heightForIndex:(NSInteger)index;
+- (CGFloat)lineChartView:(JBLineChartView *)lineChartView heightForIndex:(NSInteger)index;
 
 @optional
 
@@ -47,7 +47,7 @@
  *  and the selection must occur within the bounds of the chart.
  *
  *  @param lineChartView The origin chart
- *  @param index        The 0-based index of a selection point (left to right, x-axis)
+ *  @param index         The 0-based index of a selection point (left to right, x-axis)
  */
 - (void)lineChartView:(JBLineChartView *)lineChartView didSelectChartAtIndex:(NSInteger)index;
 
@@ -56,7 +56,7 @@
  *  For selection start events, see: didSelectChartAtIndex...
  *
  *  @param lineChartView The origin chart
- *  @param index        The 0-based index of a selection point. Index will be -1 if the touch ends outside of the view's bounds.
+ *  @param index         The 0-based index of a selection point. Index will be -1 if the touch ends outside of the view's bounds.
  */
 - (void)lineChartView:(JBLineChartView *)lineChartView didUnselectChartAtIndex:(NSInteger)index;
 

Classes/JBLineChartView.m

@@ -75,7 +75,7 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
 @property (nonatomic, assign) BOOL selectionViewVisible;
 
 // View quick accessors
-- (CGFloat)normalizedHeightForRawHeight:(NSInteger)rawHeight;
+- (CGFloat)normalizedHeightForRawHeight:(CGFloat)rawHeight;
 - (CGFloat)availableHeight;
 - (CGFloat)maxHeight;
 - (CGFloat)minHeight;
@@ -117,6 +117,9 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
 
 - (void)reloadData
 {
+    // reset cached max height
+    self.cachedMaxHeight = kJBLineChartViewUndefinedMaxHeight;
+
     /*
      * Subview rectangle calculations
      */
@@ -138,11 +141,10 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
         for (NSInteger index=0; index<[self dataCount]; index++)
         {
             JBLineChartPoint *chartPoint = [[JBLineChartPoint alloc] init];
-            NSInteger rawHeight = [self.delegate lineChartView:self heightForIndex:index];
+            CGFloat rawHeight = [self.delegate lineChartView:self heightForIndex:index];
             CGFloat normalizedHeight = [self normalizedHeightForRawHeight:rawHeight];
             yOffset = mainViewRect.size.height - normalizedHeight;
 
-            //yOffset = mainViewRect.size.height - yOffset;
             chartPoint.position = CGPointMake(xOffset, yOffset);
             
             [mutableChartData addObject:chartPoint];
@@ -203,7 +205,7 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
 
 #pragma mark - View Quick Accessors
 
-- (CGFloat)normalizedHeightForRawHeight:(NSInteger)rawHeight
+- (CGFloat)normalizedHeightForRawHeight:(CGFloat)rawHeight
 {
     CGFloat minHeight = [self minHeight];
     CGFloat maxHeight = [self maxHeight];

JBChartViewDemo/JBChartViewDemo/Controllers/JBBarChartViewController.m

@@ -65,7 +65,7 @@ NSString * const kJBBarChartViewControllerNavButtonViewKey = @"view";
     NSMutableArray *mutableChartData = [NSMutableArray array];
     for (int i=0; i<kJBBarChartViewControllerNumBars; i++)
     {
-        [mutableChartData addObject:[NSNumber numberWithInteger:MAX(kJBBarChartViewControllerMinBarHeight, arc4random() % kJBBarChartViewControllerMaxBarHeight)]]; // fake height
+        [mutableChartData addObject:[NSNumber numberWithFloat:MAX(kJBBarChartViewControllerMinBarHeight, arc4random() % kJBBarChartViewControllerMaxBarHeight)]]; // fake height
     }
     _chartData = [NSArray arrayWithArray:mutableChartData];
 }
@@ -120,9 +120,9 @@ NSString * const kJBBarChartViewControllerNavButtonViewKey = @"view";
 
 #pragma mark - JBBarChartViewDelegate
 
-- (NSInteger)barChartView:(JBBarChartView *)barChartView heightForBarViewAtAtIndex:(NSInteger)index
+- (CGFloat)barChartView:(JBBarChartView *)barChartView heightForBarViewAtAtIndex:(NSInteger)index
 {
-    return [[self.chartData objectAtIndex:index] intValue];
+    return [[self.chartData objectAtIndex:index] floatValue];
 }
 
 #pragma mark - JBBarChartViewDataSource

JBChartViewDemo/JBChartViewDemo/Controllers/JBLineChartViewController.m

@@ -60,7 +60,7 @@ NSString * const kJBLineChartViewControllerNavButtonViewKey = @"view";
     NSMutableArray *mutableChartData = [NSMutableArray array];
     for (int i=0; i<kJBLineChartViewControllerNumChartPoints; i++)
     {
-        [mutableChartData addObject:[NSNumber numberWithInteger:arc4random() % kJBLineChartViewControllerMaxPointValue]];
+        [mutableChartData addObject:[NSNumber numberWithFloat:arc4random() % kJBLineChartViewControllerMaxPointValue]];
     }
     _chartData = [NSArray arrayWithArray:mutableChartData];
 }
@@ -127,9 +127,9 @@ NSString * const kJBLineChartViewControllerNavButtonViewKey = @"view";
 
 #pragma mark - JBLineChartViewDelegate
 
-- (NSInteger)lineChartView:(JBLineChartView *)lineChartView heightForIndex:(NSInteger)index
+- (CGFloat)lineChartView:(JBLineChartView *)lineChartView heightForIndex:(NSInteger)index
 {
-    return [[self.chartData objectAtIndex:index] intValue];
+    return [[self.chartData objectAtIndex:index] floatValue];
 }
 
 - (void)lineChartView:(JBLineChartView *)lineChartView didSelectChartAtIndex:(NSInteger)index

README.md

@@ -36,7 +36,7 @@ Simply add the following line to your <code>Podfile</code>:
 Your Podfile should look something like:
 
 	platform :ios, '7.0'
-	pod 'JBChartView', '~> 1.1.0'
+	pod 'JBChartView', '~> 1.1.2'
 	
 ### The Old School Way
 
@@ -68,7 +68,7 @@ At a minimum, you need to inform the data source how many bars are in the chart:
 
 Secondly, you need to inform the delegate the height of each bar (automatically normalized across the entire chart):
     
-    - (NSInteger)barChartView:(JBBarChartView *)barChartView heightForBarViewAtAtIndex:(NSInteger)index
+    - (CGFloat)barChartView:(JBBarChartView *)barChartView heightForBarViewAtAtIndex:(NSInteger)index
     {
 		return ...; // height of bar at index
 	}
@@ -91,7 +91,7 @@ At a minimum, you need to inform the data source how many points are in the line
 
 Secondly, you need to inform the delegate the y-position of each point (automatically normalized across the entire chart):
     
-	- (NSInteger)lineChartView:(JBLineChartView *)lineChartView heightForIndex:(NSInteger)index
+	- (CGFloat)lineChartView:(JBLineChartView *)lineChartView heightForIndex:(NSInteger)index
     {
 		return ...; // y-position of poinnt at index (x-axis)
 	}