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Apply border around tableView Sections
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| /** | |
| Extension for UITableViewController or UIViewController as you prefer | |
| */ | |
| extension UITableViewController { | |
| func colorSection(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) { | |
| let cornerRadius: CGFloat = 0.0 | |
| cell.backgroundColor = UIColor.clear | |
| let layer: CAShapeLayer = CAShapeLayer() | |
| let pathRef: CGMutablePath = CGMutablePath() | |
| //dx leading an trailing margins | |
| let bounds: CGRect = cell.bounds.insetBy(dx: 0, dy: 0) | |
| var addLine: Bool = false | |
| if indexPath.row == 0 && indexPath.row == tableView.numberOfRows(inSection: indexPath.section) - 1 { | |
| pathRef.__addRoundedRect(transform: nil, rect: bounds, cornerWidth: cornerRadius, cornerHeight: cornerRadius) | |
| } else if indexPath.row == 0 { | |
| pathRef.move(to: CGPoint(x: bounds.minX, y: bounds.maxY)) | |
| pathRef.addArc(tangent1End: CGPoint(x: bounds.minX, y: bounds.minY), | |
| tangent2End: CGPoint(x: bounds.midX, y: bounds.minY), | |
| radius: cornerRadius) | |
| pathRef.addArc(tangent1End: CGPoint(x: bounds.maxX, y: bounds.minY), | |
| tangent2End: CGPoint(x: bounds.maxX, y: bounds.midY), | |
| radius: cornerRadius) | |
| pathRef.addLine(to: CGPoint(x: bounds.maxX, y: bounds.maxY)) | |
| addLine = true | |
| } else if indexPath.row == tableView.numberOfRows(inSection: indexPath.section) - 1 { | |
| pathRef.move(to: CGPoint(x: bounds.minX, y: bounds.minY)) | |
| pathRef.addArc(tangent1End: CGPoint(x: bounds.minX, y: bounds.maxY), | |
| tangent2End: CGPoint(x: bounds.midX, y: bounds.maxY), | |
| radius: cornerRadius) | |
| pathRef.addArc(tangent1End: CGPoint(x: bounds.maxX, y: bounds.maxY), | |
| tangent2End: CGPoint(x: bounds.maxX, y: bounds.midY), | |
| radius: cornerRadius) | |
| pathRef.addLine(to: CGPoint(x: bounds.maxX, y: bounds.minY)) | |
| } else { | |
| pathRef.addRect(bounds) | |
| addLine = true | |
| } | |
| layer.path = pathRef | |
| layer.strokeColor = UIColor.lightGray.cgColor | |
| layer.lineWidth = 0.5 | |
| layer.fillColor = UIColor.white.cgColor | |
| if addLine == true { | |
| let lineLayer: CALayer = CALayer() | |
| let lineHeight: CGFloat = (1 / UIScreen.main.scale) | |
| lineLayer.frame = CGRect(x: bounds.minX, y: bounds.size.height - lineHeight, width: bounds.size.width, height: lineHeight) | |
| lineLayer.backgroundColor = UIColor.clear.cgColor | |
| layer.addSublayer(lineLayer) | |
| } | |
| let backgroundView: UIView = UIView(frame: bounds) | |
| backgroundView.layer.insertSublayer(layer, at: 0) | |
| backgroundView.backgroundColor = .white | |
| cell.backgroundView = backgroundView | |
| } | |
| } |
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