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TagTunes/SongTableCellView.swift

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+//
+//  TrackTableCellView.swift
+//  Harmony
+//
+//  Created by Kim Wittenburg on 21.01.15.
+//  Copyright (c) 2015 Das Code Kollektiv. All rights reserved.
+//
+
+import Cocoa
+import AppKitPlus
+
+/// A table cell view to display information for a `SongItem`.
+public class SongTableCellView: AdvancedTableCellView {
+    
+    // MARK: Types
+    
+    private struct Images {
+        
+        /// Caches the tick image for track cells so that it does not need to be
+        /// reloaded every time a cell is configured.
+        static let tickImage = NSImage(named: "Tick")?.imageByMaskingWithColor(NSColor.clearColor())
+        
+        /// Caches the gray tick image for track cells so that it does not need to be
+        /// reloaded every time a cell is configured.
+        static let grayTickImage = NSImage(named: "Tick")?.imageByMaskingWithColor(NSColor.lightGrayColor())
+        
+    }
+    
+    // MARK: Properties
+    
+    /// An outlet do display the track number. This acts as a secondary label.
+    /// The text color is automatically adjusted based on the `backgroundStyle`
+    /// of the receiver.
+    ///
+    /// Intended to be used as accessory view
+    @IBOutlet public lazy var trackNumberTextField: NSTextField? = {
+        let trackNumberTextField = NSTextField()
+        trackNumberTextField.bordered = false
+        trackNumberTextField.drawsBackground = false
+        trackNumberTextField.selectable = false
+        trackNumberTextField.lineBreakMode = .ByTruncatingTail
+        trackNumberTextField.font = NSFont.systemFontOfSize(0)
+        trackNumberTextField.textColor = NSColor.secondaryLabelColor()
+        trackNumberTextField.translatesAutoresizingMaskIntoConstraints = false
+        return trackNumberTextField
+    }()
+    
+    /// Intended to be used as accessory view.
+    ///
+    /// This property replaces `imageView`.
+    @IBOutlet public lazy var savedImageView: NSImageView! = {
+        let secondaryImageView = NSImageView()
+        secondaryImageView.imageScaling = .ScaleProportionallyDown
+        secondaryImageView.translatesAutoresizingMaskIntoConstraints = false
+        return secondaryImageView
+        }()
+    
+    // MARK: Intitializers
+    
+    override public func setupView() {
+        leftAccessoryView = trackNumberTextField
+        super.setupView()
+    }
+    
+    // MARK: Overrides
+    
+    override public var backgroundStyle: NSBackgroundStyle {
+        get {
+            return super.backgroundStyle
+        }
+        set {
+            super.backgroundStyle = newValue
+            let trackNumberCell = self.trackNumberTextField?.cell as? NSTextFieldCell
+            trackNumberCell?.backgroundStyle = newValue
+            
+            switch newValue {
+            case .Light:
+                trackNumberTextField?.textColor = NSColor.secondaryLabelColor()
+            case .Dark:
+                trackNumberTextField?.textColor = NSColor.secondarySelectedControlColor()
+            default:
+                break
+            }
+        }
+    }
+    
+    override public var imageView: NSImageView? {
+        set {
+            savedImageView = newValue
+        }
+        get {
+            return savedImageView
+        }
+    }
+    
+    // MARK: Methods
+    
+    /// Sets up the receiver to display the specified `songItem`.
+    public func setupForSongItem(songItem: SongItem) {
+        style = (songItem.parentItem != nil && songItem.parentItem!.hasCommonArtist) ? .Simple : .CompactSubtitle
+        
+        textField?.stringValue = Preferences.sharedPreferences.useCensoredNames ? songItem.song.censoredName : songItem.song.name
+        if songItem.associatedTracks.isEmpty {
+            textField?.textColor = NSColor.disabledControlTextColor()
+        } else if songItem.associatedTracks.count > 1 || songItem.associatedTracks.first!.name?.compare(songItem.song.name, options: Preferences.sharedPreferences.caseSensitive ? [] : .CaseInsensitiveSearch, range: nil, locale: nil) != .OrderedSame {
+            textField?.textColor = NSColor.redColor()
+        } else {
+            textField?.textColor = NSColor.controlTextColor()
+        }
+        secondaryTextField?.stringValue = songItem.song.artist.name
+        trackNumberTextField?.stringValue = "\(songItem.song.trackNumber)"
+        if songItem.associatedTracks.isEmpty {
+            imageView?.image = SongTableCellView.Images.grayTickImage
+        } else {
+            imageView?.image = SongTableCellView.Images.tickImage
+        }
+        if songItem.saved {
+            let aspectRatioConstraint = NSLayoutConstraint(
+                item: savedImageView,
+                attribute: .Width,
+                relatedBy: .Equal,
+                toItem: savedImageView,
+                attribute: .Height,
+                multiplier: 1,
+                constant: 0)
+            let widthConstraint = NSLayoutConstraint(
+                item: savedImageView,
+                attribute: .Width,
+                relatedBy: .Equal,
+                toItem: nil,
+                attribute: .Width,
+                multiplier: 1,
+                constant: 17)
+            setRightAccessoryView(savedImageView, withConstraints: [aspectRatioConstraint, widthConstraint])
+        } else {
+            rightAccessoryView = nil
+        }
+    }
+
+}