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| Original file line number | Diff line number | Diff line change |
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| // | ||
| // Created by Jan Gorman on 25/08/15. | ||
| // Copyright (c) 2015 Schnaub. All rights reserved. | ||
| // | ||
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| import UIKit | ||
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| internal protocol Identifiable { | ||
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| func id() -> NSUUID | ||
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| } | ||
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| internal final class Message: UIView, Identifiable { | ||
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| private static let Padding: CGFloat = 10 | ||
| private static let MessageOffset: CGFloat = 2 | ||
| private static let IconSize: CGFloat = 36 | ||
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| private let uuid = NSUUID() | ||
| private var title: String? | ||
| private var message: String? | ||
| private var titleFontColor: UIColor! | ||
| private var messageFontColor: UIColor! | ||
| private var icon: UIImage? | ||
| internal var isHit: Bool = false | ||
| internal private(set) var callback: Callback? | ||
| internal private(set) var duration: NSTimeInterval! | ||
| internal private(set) var dismiss: Bool = true | ||
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| private var titleFont = UIFont.boldSystemFontOfSize(16) | ||
| private var messageFont = UIFont.systemFontOfSize(14) | ||
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| private var paragraphStyle: NSMutableParagraphStyle { | ||
| let paragraphStyle = NSParagraphStyle.defaultParagraphStyle().mutableCopy() as! NSMutableParagraphStyle | ||
| paragraphStyle.alignment = .Left | ||
| return paragraphStyle | ||
| } | ||
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| init(title: String?, message: String?, backgroundColor: UIColor, titleFontColor: UIColor, messageFontColor: UIColor, | ||
| icon: UIImage?, duration: NSTimeInterval, dismiss: Bool = true, callback: Callback?) { | ||
| self.title = title | ||
| self.message = message | ||
| self.duration = duration | ||
| self.callback = callback | ||
| self.titleFontColor = titleFontColor | ||
| self.messageFontColor = messageFontColor | ||
| self.icon = icon | ||
| self.dismiss = dismiss | ||
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| super.init(frame: CGRectZero) | ||
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| self.backgroundColor = backgroundColor | ||
| usesAutoLayout(true) | ||
| initSubviews() | ||
| } | ||
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| private func initSubviews() { | ||
| let iconImageView = initIcon() | ||
| let titleLabel = initTitle() | ||
| let messageLabel = initMessage() | ||
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| let views = ["icon": iconImageView, "title": titleLabel, "message": messageLabel] | ||
| let metrics = [ | ||
| "iconTop": Message.Padding, | ||
| "titleTop": Message.Padding, | ||
| "right": Message.Padding, | ||
| "bottom": Message.Padding, | ||
| "messageLeft": Message.Padding + Message.MessageOffset, | ||
| "iconLeft": Message.Padding, | ||
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| "padding": Message.MessageOffset, | ||
| "width": Message.IconSize, | ||
| "height": Message.IconSize | ||
| ] | ||
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| addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:[icon(==width)]", options: .allZeros, | ||
| metrics: metrics, views: views)) | ||
| addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:[icon(==height)]", options: .allZeros, | ||
| metrics: metrics, views: views)) | ||
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| addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|-iconLeft-[icon]-messageLeft-[title]-right-|", | ||
| options: .allZeros, metrics: metrics, views: views)) | ||
| addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|-iconLeft-[icon]-messageLeft-[message]-right-|", | ||
| options: .allZeros, metrics: metrics, views: views)) | ||
| addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-titleTop-[title]-padding-[message]-bottom-|", | ||
| options: .allZeros, metrics: metrics, views: views)) | ||
| addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-iconTop-[icon]", | ||
| options: .allZeros, metrics: metrics, views: views)) | ||
| } | ||
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| private func initIcon() -> UIImageView { | ||
| let iconImageView = UIImageView() | ||
| iconImageView.image = icon | ||
| iconImageView.usesAutoLayout(true) | ||
| addSubview(iconImageView) | ||
| return iconImageView | ||
| } | ||
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| private func initTitle() -> UILabel { | ||
| let titleLabel = UILabel() | ||
| titleLabel.numberOfLines = 0 | ||
| titleLabel.usesAutoLayout(true) | ||
| addSubview(titleLabel) | ||
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| if let title = title { | ||
| let attributes = [ | ||
| NSFontAttributeName : titleFont, | ||
| NSForegroundColorAttributeName: titleFontColor, | ||
| NSParagraphStyleAttributeName: paragraphStyle | ||
| ] | ||
| titleLabel.attributedText = NSAttributedString(string: title, attributes: attributes) | ||
| } | ||
| return titleLabel | ||
| } | ||
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| private func initMessage() -> UILabel { | ||
| let messageLabel = UILabel() | ||
| messageLabel.numberOfLines = 0 | ||
| messageLabel.usesAutoLayout(true) | ||
| addSubview(messageLabel) | ||
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| if let message = message { | ||
| let attributes = [ | ||
| NSFontAttributeName : messageFont, | ||
| NSForegroundColorAttributeName: messageFontColor, | ||
| NSParagraphStyleAttributeName: paragraphStyle | ||
| ] | ||
| messageLabel.attributedText = NSAttributedString(string: message, attributes: attributes) | ||
| } | ||
| return messageLabel | ||
| } | ||
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| required init(coder aDecoder: NSCoder) { | ||
| super.init(coder: aDecoder) | ||
| } | ||
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| override func updateConstraints() { | ||
| superview?.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|-0-[view]-0-|", options: .allZeros, | ||
| metrics: nil, views: ["view": self])) | ||
| super.updateConstraints() | ||
| } | ||
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| override func intrinsicContentSize() -> CGSize { | ||
| return CGSize(width: statusBarFrame.width, height: estimatedHeight) | ||
| } | ||
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| var estimatedHeight: CGFloat { | ||
| if icon != nil { | ||
| return max(Message.Padding * 2 + titleSize.height + messageSize.height + statusBarOffset, Message.Padding * 2 + Message.IconSize + statusBarOffset) | ||
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| } else { | ||
| return Message.Padding * 2 + titleSize.height + messageSize.height + statusBarOffset | ||
| } | ||
| } | ||
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| var titleSize: CGSize { | ||
| let boundedSize = CGSize(width: availableWidth, height: CGFloat.max) | ||
| let titleFontAttributes = [NSFontAttributeName: titleFont] | ||
| if let size = title?.boundingRectWithSize(boundedSize, options: .TruncatesLastVisibleLine | .UsesLineFragmentOrigin, attributes: titleFontAttributes, context: nil).size { | ||
| return CGSize(width: ceil(size.width), height: ceil(size.height)) | ||
| } | ||
| return CGSizeZero | ||
| } | ||
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| var messageSize: CGSize { | ||
| let boundedSize = CGSize(width: availableWidth, height: CGFloat.max) | ||
| let titleFontAttributes = [NSFontAttributeName: messageFont] | ||
| if let size = message?.boundingRectWithSize(boundedSize, options: .TruncatesLastVisibleLine | .UsesLineFragmentOrigin, attributes: titleFontAttributes, context: nil).size { | ||
| return CGSize(width: ceil(size.width), height: ceil(size.height)) | ||
| } | ||
| return CGSizeZero | ||
| } | ||
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| var statusBarOffset: CGFloat { | ||
| return statusBarFrame.height | ||
| } | ||
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| var width: CGFloat { | ||
| return statusBarFrame.width | ||
| } | ||
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| var statusBarFrame: CGRect { | ||
| let windowFrame = UIApplication.sharedApplication().keyWindow!.frame | ||
| let statusFrame = UIApplication.sharedApplication().statusBarFrame | ||
| return CGRect(x: windowFrame.minX, y: windowFrame.minY, width: windowFrame.width, height: statusFrame.height) | ||
| } | ||
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| var availableWidth: CGFloat { | ||
| return width - Message.Padding * 2 - Message.IconSize | ||
| } | ||
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| // MARK: Identifiable | ||
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| internal func id() -> NSUUID { | ||
| return uuid | ||
| } | ||
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| } | ||
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| extension UIView { | ||
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| func usesAutoLayout(usesAutoLayout: Bool) { | ||
| setTranslatesAutoresizingMaskIntoConstraints(!usesAutoLayout) | ||
| } | ||
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| } |
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