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feat(FSPagerViewCell): Add customizable shadow properties #386

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feat(FSPagerViewCell): Add customizable shadow properties #386

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38 changes: 32 additions & 6 deletions Sources/FSPagerViewCell.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,28 @@ open class FSPagerViewCell: UICollectionViewCell {
return super.isSelected
}
}


/// properties to control shadow appearance
@objc
open var shadowColor: UIColor = .black {
didSet { updateShadow() }
}

@objc
open var shadowRadius: CGFloat = 5 {
didSet { updateShadow() }
}

@objc
open var shadowOpacity: Float = 0.75 {
didSet { updateShadow() }
}

@objc
open var shadowOffset: CGSize = .zero {
didSet { updateShadow() }
}

public override init(frame: CGRect) {
super.init(frame: frame)
commonInit()
Expand All @@ -101,12 +122,17 @@ open class FSPagerViewCell: UICollectionViewCell {
fileprivate func commonInit() {
self.contentView.backgroundColor = UIColor.clear
self.backgroundColor = UIColor.clear
self.contentView.layer.shadowColor = UIColor.black.cgColor
self.contentView.layer.shadowRadius = 5
self.contentView.layer.shadowOpacity = 0.75
self.contentView.layer.shadowOffset = .zero
// Apply the shadow settings
updateShadow()
}


private func updateShadow() {
self.contentView.layer.shadowColor = shadowColor.cgColor
self.contentView.layer.shadowRadius = shadowRadius
self.contentView.layer.shadowOpacity = shadowOpacity
self.contentView.layer.shadowOffset = shadowOffset
}

deinit {
if let textLabel = _textLabel {
textLabel.removeObserver(self, forKeyPath: "font", context: kvoContext)
Expand Down