Add change value details

@@ -7,8 +7,12 @@
 //
 
 #import <UIKit/UIKit.h>
+#import "PNChartDelegate.h"
+#import "PNChart.h"
 
-@interface PCChartViewController : UIViewController
+@interface PCChartViewController : UIViewController<PNChartDelegate>
+
+@property (nonatomic) PNLineChart * lineChart;
 - (IBAction)changeValue:(id)sender;
 
 @end

@@ -10,8 +10,93 @@
 
 @implementation PCChartViewController
 
+
+-(void)viewDidLoad
+{
+    [super viewDidLoad];
+    
+    if ([self.title isEqualToString:@"Line Chart"]) {
+        UILabel * lineChartLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 90, SCREEN_WIDTH, 30)];
+        lineChartLabel.text = @"Line Chart";
+        lineChartLabel.textColor = PNFreshGreen;
+        lineChartLabel.font = [UIFont fontWithName:@"Avenir-Medium" size:23.0];
+        lineChartLabel.textAlignment = NSTextAlignmentCenter;
+        
+        self.lineChart = [[PNLineChart alloc] initWithFrame:CGRectMake(0, 135.0, SCREEN_WIDTH, 200.0)];
+        self.lineChart.yLabelFormat = @"%1.1f";
+        self.lineChart.backgroundColor = [UIColor clearColor];
+        [self.lineChart setXLabels:@[@"SEP 1",@"SEP 2",@"SEP 3",@"SEP 4",@"SEP 5",@"SEP 6",@"SEP 7"]];
+        self.lineChart.showCoordinateAxis = YES;
+        
+        // Line Chart #1
+        NSArray * data01Array = @[@60.1, @160.1, @126.4, @262.2, @186.2, @127.2, @176.2];
+        PNLineChartData *data01 = [PNLineChartData new];
+        data01.color = PNFreshGreen;
+        data01.itemCount = data01Array.count;
+        data01.inflexionPointStyle = PNLineChartPointStyleTriangle;
+        data01.getData = ^(NSUInteger index) {
+            CGFloat yValue = [data01Array[index] floatValue];
+            return [PNLineChartDataItem dataItemWithY:yValue];
+        };
+        
+        // Line Chart #2
+        NSArray * data02Array = @[@20.1, @180.1, @26.4, @202.2, @126.2, @167.2, @276.2];
+        PNLineChartData *data02 = [PNLineChartData new];
+        data02.color = PNTwitterColor;
+        data02.itemCount = data02Array.count;
+        data02.inflexionPointStyle = PNLineChartPointStyleSquare;
+        data02.getData = ^(NSUInteger index) {
+            CGFloat yValue = [data02Array[index] floatValue];
+            return [PNLineChartDataItem dataItemWithY:yValue];
+        };
+        
+        self.lineChart.chartData = @[data01, data02];
+        [self.lineChart strokeChart];
+        
+        self.lineChart.delegate = self;
+        
+        [self.view addSubview:lineChartLabel];
+        [self.view addSubview:self.lineChart];
+    }
+}
+
+
+- (void)userClickedOnLineKeyPoint:(CGPoint)point lineIndex:(NSInteger)lineIndex pointIndex:(NSInteger)pointIndex{
+    NSLog(@"Click Key on line %f, %f line index is %d and point index is %d",point.x, point.y,(int)lineIndex, (int)pointIndex);
+}
+
+- (void)userClickedOnLinePoint:(CGPoint)point lineIndex:(NSInteger)lineIndex{
+    NSLog(@"Click on line %f, %f, line index is %d",point.x, point.y, (int)lineIndex);
+}
+
+
 - (IBAction)changeValue:(id)sender {
-    if ([self.title isEqualToString:@"Bar Chart"]) {
+    if ([self.title isEqualToString:@"Line Chart"]) {
+        
+        
+        // Line Chart #1
+        NSArray * data01Array = @[@30.1, @20.1, @106.4, @162.2, @86.2, @27.2, @76.2];
+        PNLineChartData *data01 = [PNLineChartData new];
+        data01.color = PNFreshGreen;
+        data01.itemCount = data01Array.count;
+        data01.inflexionPointStyle = PNLineChartPointStyleTriangle;
+        data01.getData = ^(NSUInteger index) {
+            CGFloat yValue = [data01Array[index] floatValue];
+            return [PNLineChartDataItem dataItemWithY:yValue];
+        };
+        
+        // Line Chart #2
+        NSArray * data02Array = @[@60.1, @120.1, @126.4, @102.2, @26.2, @67.2, @176.2];
+        PNLineChartData *data02 = [PNLineChartData new];
+        data02.color = PNTwitterColor;
+        data02.itemCount = data02Array.count;
+        data02.inflexionPointStyle = PNLineChartPointStyleSquare;
+        data02.getData = ^(NSUInteger index) {
+            CGFloat yValue = [data02Array[index] floatValue];
+            return [PNLineChartDataItem dataItemWithY:yValue];
+        };
+        
+        [self.lineChart updateChartData:@[data01, data02]];
         
     }
 }

@@ -21,47 +21,6 @@
     if ([segue.identifier isEqualToString:@"lineChart"]) {
 
         //Add line chart
-        UILabel * lineChartLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 90, SCREEN_WIDTH, 30)];
-        lineChartLabel.text = @"Line Chart";
-        lineChartLabel.textColor = PNFreshGreen;
-        lineChartLabel.font = [UIFont fontWithName:@"Avenir-Medium" size:23.0];
-        lineChartLabel.textAlignment = NSTextAlignmentCenter;
-
-        PNLineChart * lineChart = [[PNLineChart alloc] initWithFrame:CGRectMake(0, 135.0, SCREEN_WIDTH, 200.0)];
-        lineChart.yLabelFormat = @"%1.1f";
-        lineChart.backgroundColor = [UIColor clearColor];
-        [lineChart setXLabels:@[@"SEP 1",@"SEP 2",@"SEP 3",@"SEP 4",@"SEP 5",@"SEP 6",@"SEP 7"]];
-        lineChart.showCoordinateAxis = YES;
-
-        // Line Chart #1
-        NSArray * data01Array = @[@60.1, @160.1, @126.4, @262.2, @186.2, @127.2, @176.2];
-        PNLineChartData *data01 = [PNLineChartData new];
-        data01.color = PNFreshGreen;
-        data01.itemCount = lineChart.xLabels.count;
-        data01.inflexionPointStyle = PNLineChartPointStyleTriangle;
-        data01.getData = ^(NSUInteger index) {
-            CGFloat yValue = [data01Array[index] floatValue];
-            return [PNLineChartDataItem dataItemWithY:yValue];
-        };
-
-        // Line Chart #2
-        NSArray * data02Array = @[@20.1, @180.1, @26.4, @202.2, @126.2, @167.2, @276.2];
-        PNLineChartData *data02 = [PNLineChartData new];
-        data02.color = PNTwitterColor;
-        data02.itemCount = lineChart.xLabels.count;
-        data02.inflexionPointStyle = PNLineChartPointStyleSquare;
-        data02.getData = ^(NSUInteger index) {
-            CGFloat yValue = [data02Array[index] floatValue];
-            return [PNLineChartDataItem dataItemWithY:yValue];
-        };
-
-        lineChart.chartData = @[data01, data02];
-        [lineChart strokeChart];
-
-        lineChart.delegate = self;
-
-        [viewController.view addSubview:lineChartLabel];
-        [viewController.view addSubview:lineChart];
 
         viewController.title = @"Line Chart";