Merge pull request #123 from twiedow/label-background-styling

Label background styling
sberrevoets · Dec 5, 2015 · bbec38a · bbec38a
2 parents 7b0c6a1 + 4d02fe1
commit bbec38a
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Showing 2 changed files with 24 additions and 7 deletions.
diff --git a/Source/AlertControllerView.swift b/Source/AlertControllerView.swift
@@ -77,11 +77,15 @@ class AlertControllerView: UIView {
     }
 
     private func createBackground() {
-        let backgroundView = UIVisualEffectView(effect: UIBlurEffect(style: .ExtraLight))
-        backgroundView.translatesAutoresizingMaskIntoConstraints = false
+        if let color = self.visualStyle.backgroundColor {
+            self.backgroundColor = color
+        } else {
+            let backgroundView = UIVisualEffectView(effect: UIBlurEffect(style: .ExtraLight))
+            backgroundView.translatesAutoresizingMaskIntoConstraints = false
 
-        self.insertSubview(backgroundView, belowSubview: self.scrollView)
-        backgroundView.sdc_alignEdges(.All, withView: self)
+            self.insertSubview(backgroundView, belowSubview: self.scrollView)
+            backgroundView.sdc_alignEdges(.All, withView: self)
+        }
     }
 
     private func updateCollectionViewScrollDirection() {
@@ -125,18 +129,24 @@ class AlertControllerView: UIView {
     }
 
     private func createTitleLabelConstraints() {
+        let widthOffset = self.visualStyle.contentPadding.left + self.visualStyle.contentPadding.right
+
         addConstraint(NSLayoutConstraint(item: self.titleLabel, attribute: .FirstBaseline, relatedBy: .Equal,
             toItem: self, attribute: .Top, multiplier: 1, constant: self.visualStyle.contentPadding.top))
-        self.titleLabel.sdc_alignEdges([.Left, .Right], withView: self)
+        self.titleLabel.sdc_pinWidthToWidthOfView(self, offset: -widthOffset)
+        self.titleLabel.sdc_alignHorizontalCenterWithView(self)
 
         pinBottomOfScrollViewToView(self.titleLabel, withPriority: UILayoutPriorityDefaultLow)
     }
 
     private func createMessageLabelConstraints() {
+        let widthOffset = self.visualStyle.contentPadding.left + self.visualStyle.contentPadding.right
+
         addConstraint(NSLayoutConstraint(item: self.messageLabel, attribute: .FirstBaseline,
             relatedBy: .Equal, toItem: self.titleLabel, attribute: .Baseline , multiplier: 1,
             constant: self.visualStyle.verticalElementSpacing))
-        self.messageLabel.sdc_alignEdges([.Left, .Right], withView: self)
+        self.messageLabel.sdc_pinWidthToWidthOfView(self, offset: -widthOffset)
+        self.messageLabel.sdc_alignHorizontalCenterWithView(self)
 
         pinBottomOfScrollViewToView(self.messageLabel, withPriority: UILayoutPriorityDefaultLow + 1)
     }
@@ -165,11 +175,13 @@ class AlertControllerView: UIView {
         if !self.elements.contains(self.contentView) { return }
 
         let aligningView = self.textFieldsViewController?.view ?? self.messageLabel
+        let widthOffset = self.visualStyle.contentPadding.left + self.visualStyle.contentPadding.right
 
         let topSpacing = self.visualStyle.verticalElementSpacing
         self.contentView.sdc_alignEdge(.Top, withEdge: .Bottom, ofView: aligningView, inset: topSpacing)
         self.contentView.sdc_alignHorizontalCenterWithView(self)
-        self.contentView.sdc_pinWidthToWidthOfView(self)
+        self.contentView.sdc_pinWidthToWidthOfView(self, offset: -widthOffset)
+        self.contentView.sdc_alignHorizontalCenterWithView(self)
 
         pinBottomOfScrollViewToView(self.contentView, withPriority: UILayoutPriorityDefaultLow + 3)
     }

diff --git a/Source/VisualStyle.swift b/Source/VisualStyle.swift
@@ -17,6 +17,9 @@ public protocol VisualStyle {
     /// The parallax magnitude
     var parallax: UIOffset { get }
 
+    /// The background color of the alert, if nil a blur effect view will be added
+    var backgroundColor: UIColor? { get }
+
     /// The font used for the title label
     var titleLabelFont: UIFont { get }
 
@@ -86,6 +89,8 @@ extension VisualStyle {
     public var margins: UIEdgeInsets { return UIEdgeInsets(top: 3, left: 0, bottom: 3, right: 0) }
     public var parallax: UIOffset { return UIOffset(horizontal: 15.75, vertical: 15.75) }
 
+    public var backgroundColor: UIColor? { return nil }
+
     public var titleLabelFont: UIFont { return UIFont.boldSystemFontOfSize(17) }
     public var messageLabelFont: UIFont { return UIFont.systemFontOfSize(13) }