add show negative rate barChart

dullgrass
Commit fa4e02c8dee853b3a6e06c0a440483e61fddd8bc fa4e02c8 1 parent dbfb6649
Showing 7 changed files with 90 additions and 20 deletions
PNChart/PNBar.h
PNChart/PNBar.m
PNChart/PNBarChart.h
PNChart/PNBarChart.m
PNChartDemo.xcodeproj/project.pbxproj
PNChartDemo/PCChartViewController.m
Podfile.lock
--- a/PNChart/PNBar.h
View file @fa4e02c
+++ b/PNChart/PNBar.h
View file @fa4e02c
@@ -11,6 +11,7 @@
 @interface PNBar : UIView
+
 - (void)rollBack;
 @property (nonatomic) float grade;
@@ -23,5 +24,6 @@
 @property (nonatomic) CAShapeLayer *gradeLayer;
 @property (nonatomic) CATextLayer* textLayer;
+@property (nonatomic, assign) BOOL isNegative;          //!< 是否是负数
 @end
--- a/PNChart/PNBar.m
View file @fa4e02c
+++ b/PNChart/PNBar.m
View file @fa4e02c
@@ -208,6 +208,23 @@
 }
+- (void)setIsNegative:(BOOL)isNegative{
+  if (isNegative) {
+    [self.textLayer setString:[[NSString alloc]initWithFormat:@"-%0.f",_grade*100]];
+    CABasicAnimation* rotationAnimation;
+    rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
+    rotationAnimation.toValue = [NSNumber numberWithFloat: M_PI];
+    [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
+    rotationAnimation.duration = 0.1;
+    rotationAnimation.repeatCount = 0;//你可以设置到最大的整数值
+    rotationAnimation.cumulative = NO;
+    rotationAnimation.removedOnCompletion = NO;
+    rotationAnimation.fillMode = kCAFillModeForwards;
+    [self.textLayer addAnimation:rotationAnimation forKey:@"Rotation"];
+    
+  }
+}
+
 -(CABasicAnimation*)fadeAnimation
 {
     CABasicAnimation* fadeAnimation = [CABasicAnimation animationWithKeyPath:@"opacity"];
--- a/PNChart/PNBarChart.h
View file @fa4e02c
+++ b/PNChart/PNBarChart.h
View file @fa4e02c
@@ -54,9 +54,15 @@ typedef NSString *(^PNYLabelFormatter)(CGFloat yLabelValue);
 /** Controls whether the chart border line should be displayed. */
 @property (nonatomic) BOOL showChartBorder;
+/** Controls whether the chart Horizontal separator should be displayed. */
+@property (nonatomic, assign) BOOL showLevelLine;
+
 /** Chart bottom border, co-linear with the x-axis. */
 @property (nonatomic) CAShapeLayer * chartBottomLine;
+/** Chart bottom border, level separator-linear with the x-axis. */
+@property (nonatomic) CAShapeLayer * chartLevelLine;
+
 /** Chart left border, co-linear with the y-axis. */
 @property (nonatomic) CAShapeLayer * chartLeftLine;
@@ -97,4 +103,5 @@ typedef NSString *(^PNYLabelFormatter)(CGFloat yLabelValue);
 @property (nonatomic, weak) id<PNChartDelegate> delegate;
+
 @end
--- a/PNChart/PNBarChart.m
View file @fa4e02c
+++ b/PNChart/PNBarChart.m
View file @fa4e02c
@@ -56,9 +56,10 @@
     _xLabelSkip          = 1;
     _yLabelSum           = 4;
     _labelMarginTop      = 0;
-    _chartMargin         = 15.0;
+    _chartMargin         = 25.0;
     _barRadius           = 2.0;
     _showChartBorder     = NO;
+    _showLevelLine       = NO;
     _yChartLabelWidth    = 18;
     _rotateForXAxisText  = false;
 }
@@ -80,6 +81,7 @@
   [self viewCleanupForCollection:_yChartLabels];
   NSArray *yAxisValues = _yLabels ? _yLabels : _yValues;
+  _yLabelSum = _yLabels ? _yLabels.count - 1 :_yLabelSum;
   if (_yMaxValue) {
     _yValueMax = _yMaxValue;
   } else {
@@ -92,7 +94,7 @@
   }
   float sectionHeight = (self.frame.size.height - _chartMargin * 2 - kXLabelHeight) / _yLabelSum;
-  for (int i = 0; i < _yLabelSum; i++) {
+  for (int i = 0; i <= _yLabelSum; i++) {
     NSString *labelText;
     if (_yLabels) {
       float yAsixValue = [_yLabels[_yLabels.count - i - 1] floatValue];
@@ -214,10 +216,10 @@
             }
             bar = [[PNBar alloc] initWithFrame:CGRectMake(barXPosition, //Bar X position
-                                                          self.frame.size.height - chartCavanHeight - kXLabelHeight - _chartMargin, //Bar Y position
+                                                          self.frame.size.height - chartCavanHeight - kXLabelHeight - _chartMargin , //Bar Y position
                                                           barWidth, // Bar witdh
-                                                          chartCavanHeight)]; //Bar height
+                                                          self.showLevelLine ? chartCavanHeight/2.0:chartCavanHeight)]; //Bar height
-            
+          
             //Change Bar Radius
             bar.barRadius = _barRadius;
@@ -243,12 +245,21 @@
         //Height Of Bar
         float value = [valueString floatValue];
-        float grade = (float)value / (float)_yValueMax;
+        float grade =ABS((float)value / (float)_yValueMax);
         if (isnan(grade)) {
             grade = 0;
         }
         bar.grade = grade;
+       CGRect originalFrame = bar.frame;
+       if (value<0) {
+         CGAffineTransform transform =CGAffineTransformMakeRotation(M_PI);
+         [bar setTransform:transform];
+         
+         originalFrame.origin.y = bar.frame.origin.y + bar.frame.size.height;
+         bar.frame = originalFrame;
+         bar.isNegative = YES;
+      }
         index += 1;
     }
@@ -297,7 +308,7 @@
         _chartBottomLine.strokeEnd = 1.0;
         [self.layer addSublayer:_chartBottomLine];
-
+      
         //Add left Chart Line
         _chartLeftLine = [CAShapeLayer layer];
@@ -330,6 +341,39 @@
         [self.layer addSublayer:_chartLeftLine];
     }
+  
+  // Add Level Separator Line
+  if (_showLevelLine) {
+    _chartLevelLine = [CAShapeLayer layer];
+    _chartLevelLine.lineCap      = kCALineCapButt;
+    _chartLevelLine.fillColor    = [[UIColor whiteColor] CGColor];
+    _chartLevelLine.lineWidth    = 1.0;
+    _chartLevelLine.strokeEnd    = 0.0;
+    
+    UIBezierPath *progressline = [UIBezierPath bezierPath];
+    
+    [progressline moveToPoint:CGPointMake(_chartMargin, (self.frame.size.height - kXLabelHeight )/2.0)];
+    [progressline addLineToPoint:CGPointMake(self.frame.size.width - _chartMargin,  (self.frame.size.height - kXLabelHeight )/2.0)];
+    
+    [progressline setLineWidth:1.0];
+    [progressline setLineCapStyle:kCGLineCapSquare];
+    _chartLevelLine.path = progressline.CGPath;
+    
+    
+    _chartLevelLine.strokeColor = PNLightGrey.CGColor;
+    
+    
+    CABasicAnimation *pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
+    pathAnimation.duration = 0.5;
+    pathAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
+    pathAnimation.fromValue = @0.0f;
+    pathAnimation.toValue = @1.0f;
+    [_chartLevelLine addAnimation:pathAnimation forKey:@"strokeEndAnimation"];
+    
+    _chartLevelLine.strokeEnd = 1.0;
+    
+    [self.layer addSublayer:_chartLevelLine];
+  }
 }
--- a/PNChartDemo.xcodeproj/project.pbxproj
View file @fa4e02c
+++ b/PNChartDemo.xcodeproj/project.pbxproj
View file @fa4e02c
@@ -21,11 +21,10 @@
 		0AF7A880182AA9F6003645C4 /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 0AF7A87F182AA9F6003645C4 /* Images.xcassets */; };
 		0AF7A8AF182AAEEF003645C4 /* PCChartViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 0AF7A8AE182AAEEF003645C4 /* PCChartViewController.m */; };
 		5C728F7B8AACCC0864A63B26 /* libPods-PNChartTests.a in Frameworks */ = {isa = PBXBuildFile; fileRef = B0A0D7DDAB496680487BF1E5 /* libPods-PNChartTests.a */; };
+		5C9B4AA31B05BBCB00093EBE /* PNBarChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 5C9B4AA21B05BBCB00093EBE /* PNBarChart.m */; };
 		6E984E5D1AE2B00600E817A0 /* PNBarChartTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 6E984E5C1AE2B00600E817A0 /* PNBarChartTests.m */; };
 		6E984E5E1AE2B03800E817A0 /* PNBar.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177EC9198DFAC400017E27 /* PNBar.m */; };
-		6E984E5F1AE2B03E00E817A0 /* PNBarChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECB198DFAC400017E27 /* PNBarChart.m */; };
 		91177ED8198DFAC400017E27 /* PNBar.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177EC9198DFAC400017E27 /* PNBar.m */; };
-		91177EDA198DFAC400017E27 /* PNBarChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECB198DFAC400017E27 /* PNBarChart.m */; };
 		91177EDC198DFAC400017E27 /* PNCircleChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECD198DFAC400017E27 /* PNCircleChart.m */; };
 		91177EDE198DFAC400017E27 /* PNLineChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECF198DFAC400017E27 /* PNLineChart.m */; };
 		91177EE0198DFAC400017E27 /* PNLineChartData.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ED1198DFAC400017E27 /* PNLineChartData.m */; };
@@ -75,13 +74,13 @@
 		2980CA20C29DC029B2D0B926 /* Pods.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = Pods.release.xcconfig; path = "Pods/Target Support Files/Pods/Pods.release.xcconfig"; sourceTree = "<group>"; };
 		3BA6321352024B1FBA0158B0 /* libPods.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libPods.a; sourceTree = BUILT_PRODUCTS_DIR; };
 		4D54B84CA1CAEB2BBBC9DCFA /* Pods-PNChartTests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-PNChartTests.release.xcconfig"; path = "Pods/Target Support Files/Pods-PNChartTests/Pods-PNChartTests.release.xcconfig"; sourceTree = "<group>"; };
+		5C9B4AA21B05BBCB00093EBE /* PNBarChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNBarChart.m; sourceTree = "<group>"; };
 		6E984E511AE2AF2D00E817A0 /* PNChartTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = PNChartTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		6E984E541AE2AF2D00E817A0 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		6E984E5C1AE2B00600E817A0 /* PNBarChartTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNBarChartTests.m; sourceTree = "<group>"; };
 		91177EC8198DFAC400017E27 /* PNBar.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNBar.h; sourceTree = "<group>"; };
 		91177EC9198DFAC400017E27 /* PNBar.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNBar.m; sourceTree = "<group>"; };
 		91177ECA198DFAC400017E27 /* PNBarChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNBarChart.h; sourceTree = "<group>"; };
-		91177ECB198DFAC400017E27 /* PNBarChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNBarChart.m; sourceTree = "<group>"; };
 		91177ECC198DFAC400017E27 /* PNCircleChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNCircleChart.h; sourceTree = "<group>"; };
 		91177ECD198DFAC400017E27 /* PNCircleChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNCircleChart.m; sourceTree = "<group>"; };
 		91177ECE198DFAC400017E27 /* PNLineChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNLineChart.h; sourceTree = "<group>"; };
@@ -249,7 +248,7 @@
 				91177EC8198DFAC400017E27 /* PNBar.h */,
 				91177EC9198DFAC400017E27 /* PNBar.m */,
 				91177ECA198DFAC400017E27 /* PNBarChart.h */,
-				91177ECB198DFAC400017E27 /* PNBarChart.m */,
+				5C9B4AA21B05BBCB00093EBE /* PNBarChart.m */,
 				91177ECC198DFAC400017E27 /* PNCircleChart.h */,
 				91177ECD198DFAC400017E27 /* PNCircleChart.m */,
 				91177ECE198DFAC400017E27 /* PNLineChart.h */,
@@ -442,7 +441,6 @@
 				0AF7A8AF182AAEEF003645C4 /* PCChartViewController.m in Sources */,
 				0A29228A1A423FB300A42BC4 /* PNScatterChartDataItem.m in Sources */,
 				A9C75FA61A9F1DA900A54638 /* PNGenericChart.m in Sources */,
-				91177EDA198DFAC400017E27 /* PNBarChart.m in Sources */,
 				91177EE6198DFAC400017E27 /* PNPieChartDataItem.m in Sources */,
 				9FA23B10184A5944002DBBA4 /* PCChartsTableViewController.m in Sources */,
 				91177EE0198DFAC400017E27 /* PNLineChartData.m in Sources */,
@@ -450,6 +448,7 @@
 				0AF7A874182AA9F6003645C4 /* main.m in Sources */,
 				91177EE4198DFAC400017E27 /* PNPieChart.m in Sources */,
 				0AF7A878182AA9F6003645C4 /* PCAppDelegate.m in Sources */,
+				5C9B4AA31B05BBCB00093EBE /* PNBarChart.m in Sources */,
 				0A2922891A423FB300A42BC4 /* PNScatterChartData.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -458,7 +457,6 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				6E984E5F1AE2B03E00E817A0 /* PNBarChart.m in Sources */,
 				6E984E5E1AE2B03800E817A0 /* PNBar.m in Sources */,
 				6E984E5D1AE2B00600E817A0 /* PNBarChartTests.m in Sources */,
 			);
--- a/PNChartDemo/PCChartViewController.m
View file @fa4e02c
+++ b/PNChartDemo/PCChartViewController.m
View file @fa4e02c
@@ -101,14 +101,16 @@
             return labelText;
         };
         self.barChart.labelMarginTop = 5.0;
-        [self.barChart setXLabels:@[@"SEP 1",@"SEP 2",@"SEP 3",@"SEP 4",@"SEP 5",@"SEP 6",@"SEP 7"]];
+        self.barChart.showLevelLine = YES;
+        self.barChart.showChartBorder = YES;
+        [self.barChart setXLabels:@[@"2",@"3",@"4",@"5"]];
         self.barChart.rotateForXAxisText = true ;
-      self.barChart.yLabelSum=5;
+        self.barChart.yLabelSum=5;
-      self.barChart.yMaxValue=100;
+        self.barChart.yMaxValue=100;
-      
+        self.barChart.yLabels = @[@-10,@0,@10];
-        [self.barChart setYValues:@[@1,@24,@12,@18,@30,@10,@21]];
+        [self.barChart setYValues:@[@1,@24,@(0-12),@18]];
-//      self.barChart.yLabels = @[@0,@20,@40,@60];
+  
         [self.barChart setStrokeColors:@[PNGreen,PNGreen,PNRed,PNGreen,PNGreen,PNYellow,PNGreen]];
         // Adding gradient
         self.barChart.barColorGradientStart = [UIColor blueColor];
--- a/Podfile.lock
View file @fa4e02c
+++ b/Podfile.lock
View file @fa4e02c
@@ -10,4 +10,4 @@ SPEC CHECKSUMS:
   Expecta: 8c507baf13211207b1e9d0a741480600e6b4ed15
   UICountingLabel: 1db4e7d023e1762171eb226d6dff47a7a84f27aa
-COCOAPODS: 0.36.4
+COCOAPODS: 0.37.1