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#import "LBorderView.h"
@implementation LBorderView
#pragma mark - Synthesize
@synthesize borderType = _borderType;
@synthesize cornerRadius = _cornerRadius;
@synthesize borderWidth = _borderWidth;
@synthesize dashPattern = _dashPattern;
@synthesize spacePattern = _spacePattern;
@synthesize borderColor = _borderColor;
#pragma mark - Init
- (id)init
{
self = [super init];
if (self)
{
[self initialize];
}
return self;
}
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self)
{
[self initialize];
}
return self;
}
- (id)initWithCoder:(NSCoder *)aDecoder
{
self = [super initWithCoder:aDecoder];
if (self)
{
[self initialize];
}
return self;
}
- (void)initialize
{
[self drawDashedBorder];
}
#pragma mark - Drawing
- (void)drawDashedBorder
{
if (_shapeLayer) [_shapeLayer removeFromSuperlayer];
//border definitions
CGFloat cornerRadius = _cornerRadius;
CGFloat borderWidth = _borderWidth;
NSInteger dashPattern1 = _dashPattern;
NSInteger dashPattern2 = _spacePattern;
UIColor *lineColor = _borderColor ? _borderColor : [UIColor blackColor];
//drawing
CGRect frame = self.bounds;
_shapeLayer = [CAShapeLayer layer];
//creating a path
CGMutablePathRef path = CGPathCreateMutable();
//drawing a border around a view
CGPathMoveToPoint(path, NULL, 0, frame.size.height - cornerRadius);
CGPathAddLineToPoint(path, NULL, 0, cornerRadius);
CGPathAddArc(path, NULL, cornerRadius, cornerRadius, cornerRadius, M_PI, -M_PI_2, NO);
CGPathAddLineToPoint(path, NULL, frame.size.width - cornerRadius, 0);
CGPathAddArc(path, NULL, frame.size.width - cornerRadius, cornerRadius, cornerRadius, -M_PI_2, 0, NO);
CGPathAddLineToPoint(path, NULL, frame.size.width, frame.size.height - cornerRadius);
CGPathAddArc(path, NULL, frame.size.width - cornerRadius, frame.size.height - cornerRadius, cornerRadius, 0, M_PI_2, NO);
CGPathAddLineToPoint(path, NULL, cornerRadius, frame.size.height);
CGPathAddArc(path, NULL, cornerRadius, frame.size.height - cornerRadius, cornerRadius, M_PI_2, M_PI, NO);
//path is set as the _shapeLayer object's path
_shapeLayer.path = path;
CGPathRelease(path);
_shapeLayer.backgroundColor = [[UIColor clearColor] CGColor];
_shapeLayer.frame = frame;
_shapeLayer.masksToBounds = NO;
[_shapeLayer setValue:[NSNumber numberWithBool:NO] forKey:@"isCircle"];
_shapeLayer.fillColor = [[UIColor clearColor] CGColor];
_shapeLayer.strokeColor = [lineColor CGColor];
_shapeLayer.lineWidth = borderWidth;
_shapeLayer.lineDashPattern = _borderType == BorderTypeDashed ? [NSArray arrayWithObjects:@( dashPattern1 ), @( dashPattern2 ), nil] : nil;
_shapeLayer.lineCap = kCALineCapRound;
//_shapeLayer is added as a sublayer of the view
[self.layer addSublayer:_shapeLayer];
self.layer.cornerRadius = cornerRadius;
}
#pragma mark - Setters
- (void)setFrame:(CGRect)frame
{
[super setFrame:frame];
[self drawDashedBorder];
}
- (void)setBorderType:(BorderType)borderType
{
_borderType = borderType;
[self drawDashedBorder];
}
- (void)setCornerRadius:(CGFloat)cornerRadius
{
_cornerRadius = cornerRadius;
[self drawDashedBorder];
}
- (void)setBorderWidth:(CGFloat)borderWidth
{
_borderWidth = borderWidth;
[self drawDashedBorder];
}
- (void)setDashPattern:(NSUInteger)dashPattern
{
_dashPattern = dashPattern;
[self drawDashedBorder];
}
- (void)setSpacePattern:(NSUInteger)spacePattern
{
_spacePattern = spacePattern;
[self drawDashedBorder];
}
- (void)setBorderColor:(UIColor *)borderColor
{
_borderColor = borderColor;
[self drawDashedBorder];
}
#pragma mark -
@end