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KSToken font property #109

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KSToken font property #109

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68 changes: 35 additions & 33 deletions KSTokenView/KSToken.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -29,48 +29,51 @@ import UIKit
//__________________________________________________________________________________
//
open class KSToken : UIControl {

//MARK: - Public Properties
//__________________________________________________________________________________
//

/// retuns title as description
override open var description : String {
get {
return title
}
}

/// default is ""
open var title = ""

/// default is nil. Any Custom object.
open var object: AnyObject?

/// default is false. If set to true, token can not be deleted
open var sticky = false

/// Token Title color
open var tokenTextColor = UIColor(red: 255/255, green: 255/255, blue: 255/255, alpha: 1)

/// Token background color
open var tokenBackgroundColor = UIColor(red: 50/255, green: 50/255, blue: 255/255, alpha: 1)

/// Token title color in selected state
open var tokenTextHighlightedColor: UIColor?

/// Token backgrould color in selected state
open var tokenBackgroundHighlightedColor: UIColor?

/// Token background color in selected state. It doesn't have effect if 'tokenBackgroundHighlightedColor' is set
open var darkRatio: CGFloat = 0.75

/// Token border width
open var borderWidth: CGFloat = 0.0

///Token border color
open var borderColor: UIColor = UIColor.black


/// Token font
open var font: UIFont = UIFont.systemFont(ofSize: 14)

/// default is 200. Maximum width of token. After maximum limit is reached title is truncated at end with '...'
fileprivate var _maxWidth: CGFloat? = 200
open var maxWidth: CGFloat {
Expand All @@ -85,92 +88,91 @@ open class KSToken : UIControl {
}
}
}

/// returns true if token is selected
override open var isSelected: Bool {
didSet (newValue) {
setNeedsDisplay()
}
}

//MARK: - Constructors
//__________________________________________________________________________________
//
convenience required public init(coder aDecoder: NSCoder) {
self.init(title: "")
}

convenience public init(title: String) {
self.init(title: title, object: title as AnyObject?);
}

public init(title: String, object: AnyObject?) {
self.title = title
self.object = object
super.init(frame: CGRect.zero)
backgroundColor = UIColor.clear
}

//MARK: - Drawing code
//__________________________________________________________________________________
//
override open func draw(_ rect: CGRect) {
//// General Declarations
let context = UIGraphicsGetCurrentContext()

//// Rectangle Drawing

// fill background
let rectanglePath = UIBezierPath(roundedRect: rect, cornerRadius: 15)

var textColor: UIColor
var backgroundColor: UIColor

if (isSelected) {
if (tokenBackgroundHighlightedColor != nil) {
backgroundColor = tokenBackgroundHighlightedColor!
} else {
backgroundColor = tokenBackgroundColor.darkendColor(darkRatio)
}

if (tokenTextHighlightedColor != nil) {
textColor = tokenTextHighlightedColor!
} else {
textColor = tokenTextColor
}

} else {
backgroundColor = tokenBackgroundColor
textColor = tokenTextColor
}

backgroundColor.setFill()
rectanglePath.fill()

var paddingX: CGFloat = 0.0
var font = UIFont.systemFont(ofSize: 14)
var tokenField: KSTokenField? {
return superview! as? KSTokenField
}
if ((tokenField) != nil) {
paddingX = tokenField!.paddingX()!
font = tokenField!.tokenFont()!
}

// Text
let rectangleTextContent = title
let rectangleStyle = NSMutableParagraphStyle.default.mutableCopy() as! NSMutableParagraphStyle
rectangleStyle.lineBreakMode = NSLineBreakMode.byTruncatingTail
rectangleStyle.alignment = NSTextAlignment.center
let rectangleFontAttributes = [NSAttributedStringKey.font: font, NSAttributedStringKey.foregroundColor: textColor, NSAttributedStringKey.paragraphStyle: rectangleStyle] as [NSAttributedStringKey : Any]

let maxDrawableHeight = max(rect.height , font.lineHeight)
let textHeight: CGFloat = KSUtils.getRect(rectangleTextContent as NSString, width: rect.width, height: maxDrawableHeight , font: font).size.height

let textRect = CGRect(x: rect.minX + paddingX, y: rect.minY + (maxDrawableHeight - textHeight) / 2, width: min(maxWidth, rect.width) - (paddingX*2), height: maxDrawableHeight)

rectangleTextContent.draw(in: textRect, withAttributes: rectangleFontAttributes)

#if swift(>=2.3)
context!.saveGState()
context!.clip(to: rect)
Expand All @@ -180,7 +182,7 @@ open class KSToken : UIControl {
context.clip(to: rect)
context.restoreGState()
#endif

// Border
if (borderWidth > 0.0 && borderColor != UIColor.clear) {
borderColor.setStroke()
Expand Down