add barchartview project

menaweb · Jul 19, 2013 · dbdb2b0 · dbdb2b0
1 parent 536a235
commit dbdb2b0
Show file tree

Hide file tree

Showing 18 changed files with 890 additions and 2 deletions.
diff --git a/JXBarChartView/JXBarChartView.h b/JXBarChartView/JXBarChartView.h
@@ -0,0 +1,31 @@
+//
+//  JXBarChartView.h
+//  JXBarChartViewExample
+//
+//  Created by jianpx on 7/18/13.
+//  Copyright (c) 2013 PS. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface JXBarChartView : UIView
+@property (nonatomic, strong) NSMutableArray *values;
+@property (nonatomic) float maxValue;
+@property (nonatomic, strong) NSMutableArray *textIndicators;
+@property (nonatomic, strong) UIColor *textColor;
+@property (nonatomic) float barHeight;
+@property (nonatomic) float barMaxWidth;
+@property (nonatomic) CGPoint startPoint;
+@property (nonatomic) CGGradientRef gradient;
+
+- (id)initWithFrame:(CGRect)frame
+         startPoint:(CGPoint)startPoint
+             values:(NSMutableArray *)values
+           maxValue:(float)maxValue
+textIndicators:(NSMutableArray *)textIndicators
+          textColor:(UIColor *)textColor
+          barHeight:(float)barHeight
+        barMaxWidth:(float)barMaxWidth
+           gradient:(CGGradientRef)gradient;
+
+@end
diff --git a/JXBarChartView/JXBarChartView.m b/JXBarChartView/JXBarChartView.m
@@ -0,0 +1,138 @@
+//
+//  JXBarChartView.m
+//  JXBarChartViewExample
+//
+//  Created by jianpx on 7/18/13.
+//  Copyright (c) 2013 PS. All rights reserved.
+//
+
+#import "JXBarChartView.h"
+
+@interface JXBarChartView()
+@property (nonatomic) CGContextRef context;
+@property (nonatomic, strong) NSMutableArray *textIndicatorsLabels;
+@property (nonatomic, strong) NSMutableArray *digitIndicatorsLabels;
+@end
+
+@implementation JXBarChartView
+
+
+- (id)initWithFrame:(CGRect)frame
+         startPoint:(CGPoint)startPoint
+             values:(NSMutableArray *)values
+           maxValue:(float)maxValue
+     textIndicators:(NSMutableArray *)textIndicators
+          textColor:(UIColor *)textColor
+          barHeight:(float)barHeight
+        barMaxWidth:(float)barMaxWidth
+           gradient:(CGGradientRef)gradient
+{
+    self = [super initWithFrame:frame];
+    if (self) {
+        _values = values;
+        _maxValue = maxValue;
+        _textIndicatorsLabels = [[NSMutableArray alloc] initWithCapacity:[values count]];
+        _digitIndicatorsLabels = [[NSMutableArray alloc] initWithCapacity:[values count]];
+        _textIndicators = textIndicators;
+        _startPoint = startPoint;
+        _textColor = textColor ? textColor : [UIColor orangeColor];
+        _barHeight = barHeight;
+        _barMaxWidth = barMaxWidth;
+        CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
+        //blue gradient
+        CGFloat locations[] = {0.0, 0.5, 1.0};
+        CGFloat colorComponents[] = {
+            0.254, 0.599, 0.82, 1.0, //red, green, blue, alpha
+            0.192, 0.525, 0.75, 1.0,
+            0.096, 0.415, 0.686, 1.0
+        };
+        size_t count = 3;
+        CGGradientRef defaultGradient = CGGradientCreateWithColorComponents(colorSpace, colorComponents, locations, count);
+        _gradient = gradient ?  gradient : defaultGradient;
+        self.backgroundColor = [UIColor whiteColor];
+    }
+    return self;
+}
+
+
+- (void)setLabelDefaults:(UILabel *)label
+{
+    label.textColor = self.textColor;
+    [label setTextAlignment:NSTextAlignmentLeft];
+    label.adjustsFontSizeToFitWidth = YES;
+    label.adjustsLetterSpacingToFitWidth = YES;
+    label.backgroundColor = [UIColor clearColor];
+}
+
+- (void)drawRectangle:(CGRect)rect context:(CGContextRef)context
+{
+    CGContextSaveGState(self.context);
+    CGContextAddRect(self.context, rect);
+    CGContextClipToRect(self.context, rect);
+    CGPoint startPoint = CGPointMake(rect.origin.x, rect.origin.y);
+    CGPoint endPoint = CGPointMake(rect.origin.x + rect.size.width, rect.origin.y);
+    CGContextDrawLinearGradient(self.context, self.gradient, startPoint, endPoint, 0);
+    CGContextRestoreGState(self.context);
+}
+
+- (void)drawRect:(CGRect)rect
+{
+    self.context = UIGraphicsGetCurrentContext();
+    int count = [self.values count];
+    float startx = self.startPoint.x;
+    float starty = self.startPoint.y;
+    float barMargin = 22;
+    float marginOfBarAndDigit = 2;
+    float marginOfTextAndBar = 8;
+    float digitWidth = 20;
+    float textWidth = 70;
+    for (int i = 0; i < count; i++) {
+        //handle textlabel
+        float textMargin_y = (i * (self.barHeight + barMargin)) + starty;
+        UILabel *textLabel = [[UILabel alloc] initWithFrame:CGRectMake(startx, textMargin_y, textWidth, self.barHeight)];
+        textLabel.text = self.textIndicators[i];
+        [self setLabelDefaults:textLabel];
+        @try {
+            UILabel *originalTextLabel = self.textIndicatorsLabels[i];
+            if (originalTextLabel) {
+                [originalTextLabel removeFromSuperview];
+            }
+        }
+        @catch (NSException *exception) {
+            [self.textIndicatorsLabels insertObject:textLabel atIndex:i];
+        }
+        [self addSubview:textLabel];
+
+        //handle bar
+        float barMargin_y = (i * (self.barHeight + barMargin)) + starty;
+        float v = [self.values[i] floatValue] <= self.maxValue ? [self.values[i] floatValue]: self.maxValue;
+        float rate = v / self.maxValue;
+        float barWidth = rate * self.barMaxWidth;
+        CGRect barFrame = CGRectMake(startx + textWidth + marginOfTextAndBar, barMargin_y, barWidth, self.barHeight);
+        [self drawRectangle:barFrame context:self.context];
+        //handle digitlabel
+        UILabel *digitLabel = [[UILabel alloc] initWithFrame:CGRectMake(barFrame.origin.x + barFrame.size.width + marginOfBarAndDigit, barFrame.origin.y, digitWidth, barFrame.size.height)];
+        digitLabel.text = [self.values[i] stringValue];
+        [self setLabelDefaults:digitLabel];
+        @try {
+            UILabel *originalDigitLabel = self.digitIndicatorsLabels[i];
+            if (originalDigitLabel) {
+                [originalDigitLabel removeFromSuperview];
+            }
+        }
+        @catch (NSException *exception) {
+            [self.digitIndicatorsLabels insertObject:digitLabel atIndex:i];
+        }
+        [self addSubview:digitLabel];
+    }
+}
+
+- (void)setValues:(NSMutableArray *)values
+{
+    for (int i = 0; i < [values count]; i++) {
+        _values[i] = values[i];
+    }
+    [self setNeedsDisplay];
+}
+
+@end
diff --git a/JXBarChartView/JXBarChartViewExample/JXBarChartView.h b/JXBarChartView/JXBarChartViewExample/JXBarChartView.h
@@ -0,0 +1,31 @@
+//
+//  JXBarChartView.h
+//  JXBarChartViewExample
+//
+//  Created by jianpx on 7/18/13.
+//  Copyright (c) 2013 PS. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface JXBarChartView : UIView
+@property (nonatomic, strong) NSMutableArray *values;
+@property (nonatomic) float maxValue;
+@property (nonatomic, strong) NSMutableArray *textIndicators;
+@property (nonatomic, strong) UIColor *textColor;
+@property (nonatomic) float barHeight;
+@property (nonatomic) float barMaxWidth;
+@property (nonatomic) CGPoint startPoint;
+@property (nonatomic) CGGradientRef gradient;
+
+- (id)initWithFrame:(CGRect)frame
+         startPoint:(CGPoint)startPoint
+             values:(NSMutableArray *)values
+           maxValue:(float)maxValue
+textIndicators:(NSMutableArray *)textIndicators
+          textColor:(UIColor *)textColor
+          barHeight:(float)barHeight
+        barMaxWidth:(float)barMaxWidth
+           gradient:(CGGradientRef)gradient;
+
+@end
diff --git a/JXBarChartView/JXBarChartViewExample/JXBarChartView.m b/JXBarChartView/JXBarChartViewExample/JXBarChartView.m
@@ -0,0 +1,138 @@
+//
+//  JXBarChartView.m
+//  JXBarChartViewExample
+//
+//  Created by jianpx on 7/18/13.
+//  Copyright (c) 2013 PS. All rights reserved.
+//
+
+#import "JXBarChartView.h"
+
+@interface JXBarChartView()
+@property (nonatomic) CGContextRef context;
+@property (nonatomic, strong) NSMutableArray *textIndicatorsLabels;
+@property (nonatomic, strong) NSMutableArray *digitIndicatorsLabels;
+@end
+
+@implementation JXBarChartView
+
+
+- (id)initWithFrame:(CGRect)frame
+         startPoint:(CGPoint)startPoint
+             values:(NSMutableArray *)values
+           maxValue:(float)maxValue
+     textIndicators:(NSMutableArray *)textIndicators
+          textColor:(UIColor *)textColor
+          barHeight:(float)barHeight
+        barMaxWidth:(float)barMaxWidth
+           gradient:(CGGradientRef)gradient
+{
+    self = [super initWithFrame:frame];
+    if (self) {
+        _values = values;
+        _maxValue = maxValue;
+        _textIndicatorsLabels = [[NSMutableArray alloc] initWithCapacity:[values count]];
+        _digitIndicatorsLabels = [[NSMutableArray alloc] initWithCapacity:[values count]];
+        _textIndicators = textIndicators;
+        _startPoint = startPoint;
+        _textColor = textColor ? textColor : [UIColor orangeColor];
+        _barHeight = barHeight;
+        _barMaxWidth = barMaxWidth;
+        CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
+        //blue gradient
+        CGFloat locations[] = {0.0, 0.5, 1.0};
+        CGFloat colorComponents[] = {
+            0.254, 0.599, 0.82, 1.0, //red, green, blue, alpha
+            0.192, 0.525, 0.75, 1.0,
+            0.096, 0.415, 0.686, 1.0
+        };
+        size_t count = 3;
+        CGGradientRef defaultGradient = CGGradientCreateWithColorComponents(colorSpace, colorComponents, locations, count);
+        _gradient = gradient ?  gradient : defaultGradient;
+        self.backgroundColor = [UIColor whiteColor];
+    }
+    return self;
+}
+
+
+- (void)setLabelDefaults:(UILabel *)label
+{
+    label.textColor = self.textColor;
+    [label setTextAlignment:NSTextAlignmentLeft];
+    label.adjustsFontSizeToFitWidth = YES;
+    label.adjustsLetterSpacingToFitWidth = YES;
+    label.backgroundColor = [UIColor clearColor];
+}
+
+- (void)drawRectangle:(CGRect)rect context:(CGContextRef)context
+{
+    CGContextSaveGState(self.context);
+    CGContextAddRect(self.context, rect);
+    CGContextClipToRect(self.context, rect);
+    CGPoint startPoint = CGPointMake(rect.origin.x, rect.origin.y);
+    CGPoint endPoint = CGPointMake(rect.origin.x + rect.size.width, rect.origin.y);
+    CGContextDrawLinearGradient(self.context, self.gradient, startPoint, endPoint, 0);
+    CGContextRestoreGState(self.context);
+}
+
+- (void)drawRect:(CGRect)rect
+{
+    self.context = UIGraphicsGetCurrentContext();
+    int count = [self.values count];
+    float startx = self.startPoint.x;
+    float starty = self.startPoint.y;
+    float barMargin = 22;
+    float marginOfBarAndDigit = 2;
+    float marginOfTextAndBar = 8;
+    float digitWidth = 20;
+    float textWidth = 70;
+    for (int i = 0; i < count; i++) {
+        //handle textlabel
+        float textMargin_y = (i * (self.barHeight + barMargin)) + starty;
+        UILabel *textLabel = [[UILabel alloc] initWithFrame:CGRectMake(startx, textMargin_y, textWidth, self.barHeight)];
+        textLabel.text = self.textIndicators[i];
+        [self setLabelDefaults:textLabel];
+        @try {
+            UILabel *originalTextLabel = self.textIndicatorsLabels[i];
+            if (originalTextLabel) {
+                [originalTextLabel removeFromSuperview];
+            }
+        }
+        @catch (NSException *exception) {
+            [self.textIndicatorsLabels insertObject:textLabel atIndex:i];
+        }
+        [self addSubview:textLabel];
+
+        //handle bar
+        float barMargin_y = (i * (self.barHeight + barMargin)) + starty;
+        float v = [self.values[i] floatValue] <= self.maxValue ? [self.values[i] floatValue]: self.maxValue;
+        float rate = v / self.maxValue;
+        float barWidth = rate * self.barMaxWidth;
+        CGRect barFrame = CGRectMake(startx + textWidth + marginOfTextAndBar, barMargin_y, barWidth, self.barHeight);
+        [self drawRectangle:barFrame context:self.context];
+        //handle digitlabel
+        UILabel *digitLabel = [[UILabel alloc] initWithFrame:CGRectMake(barFrame.origin.x + barFrame.size.width + marginOfBarAndDigit, barFrame.origin.y, digitWidth, barFrame.size.height)];
+        digitLabel.text = [self.values[i] stringValue];
+        [self setLabelDefaults:digitLabel];
+        @try {
+            UILabel *originalDigitLabel = self.digitIndicatorsLabels[i];
+            if (originalDigitLabel) {
+                [originalDigitLabel removeFromSuperview];
+            }
+        }
+        @catch (NSException *exception) {
+            [self.digitIndicatorsLabels insertObject:digitLabel atIndex:i];
+        }
+        [self addSubview:digitLabel];
+    }
+}
+
+- (void)setValues:(NSMutableArray *)values
+{
+    for (int i = 0; i < [values count]; i++) {
+        _values[i] = values[i];
+    }
+    [self setNeedsDisplay];
+}
+
+@end