Update McPicker.swift for dynamic height component for picker view

Example/McPicker.xcodeproj/project.pbxproj

@@ -273,7 +273,7 @@
 			files = (
 			);
 			inputPaths = (
-				"${SRCROOT}/Pods/Target Support Files/Pods-McPicker_Tests/Pods-McPicker_Tests-frameworks.sh",
+				"${PODS_ROOT}/Target Support Files/Pods-McPicker_Tests/Pods-McPicker_Tests-frameworks.sh",
 				"${BUILT_PRODUCTS_DIR}/McPicker/McPicker.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
@@ -282,7 +282,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-McPicker_Tests/Pods-McPicker_Tests-frameworks.sh\"\n";
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-McPicker_Tests/Pods-McPicker_Tests-frameworks.sh\"\n";
 			showEnvVarsInLog = 0;
 		};
 		7218E36A1F0EA822003423A2 /* ShellScript */ = {
@@ -322,7 +322,7 @@
 			files = (
 			);
 			inputPaths = (
-				"${SRCROOT}/Pods/Target Support Files/Pods-McPicker_Example/Pods-McPicker_Example-frameworks.sh",
+				"${PODS_ROOT}/Target Support Files/Pods-McPicker_Example/Pods-McPicker_Example-frameworks.sh",
 				"${BUILT_PRODUCTS_DIR}/McPicker/McPicker.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
@@ -331,7 +331,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-McPicker_Example/Pods-McPicker_Example-frameworks.sh\"\n";
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-McPicker_Example/Pods-McPicker_Example-frameworks.sh\"\n";
 			showEnvVarsInLog = 0;
 		};
 		C653CADCE98997CF8CE190CF /* [CP] Check Pods Manifest.lock */ = {

Example/Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - McPicker (2.0.0)
+  - McPicker (2.0.2)
 
 DEPENDENCIES:
   - McPicker (from `../`)
@@ -9,8 +9,8 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  McPicker: 184bd2403f48f1b69e8384d2dbcd4fcff4c0df5f
+  McPicker: ef2efeb2357f1a1e803eae239f021d75e07aeec7
 
 PODFILE CHECKSUM: 7f68cc3d721452977903943f3af774acc3f68ed4
 
-COCOAPODS: 1.5.0
+COCOAPODS: 1.8.4

McPicker.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'McPicker'
-  s.version          = '2.0.1'
+  s.version          = '2.0.3'
   s.summary          = 'McPicker is a customizable, closure driven UIPickerView drop-in solution with animations that is rotation ready.'
   s.swift_version    = '4.2'
 

McPicker/Classes/McPicker.swift

@@ -437,6 +437,36 @@ extension McPicker : UIPickerViewDelegate {
 
         return pickerLabel!
     }
+
+    public func pickerView(_ pickerView: UIPickerView, rowHeightForComponent component: Int) -> CGFloat {
+        guard let goodLabel = label, pickerData.count == 1 else {
+            return 50.0
+        }
+        return self.heightForView(pickerData[0][component], font: goodLabel.font, width: pickerView.frame.size.width - 20, actualHeight: goodLabel.frame.size.height)
+    }
+
+    // MARK: CALCULATE HEIGHT OF VIEW BASED ON STRING LENGHT
+    /// CALCULATE HEIGHT OF VIEW BASED ON STRING LENGHT
+    ///
+    /// - Parameters:
+    ///   - text: text whose height is to be calculate
+    ///   - font: Font for calculation
+    ///   - width: Label Width
+    ///   - actualHeight: actual Height of Label
+    /// - Returns: Calculated height of table View
+    func heightForView(_ text: String, font: UIFont, width: CGFloat, actualHeight: CGFloat) -> CGFloat {
+        let label: UILabel = UILabel(frame: CGRect(x: 0, y: 0, width: width, height: CGFloat.greatestFiniteMagnitude))
+        label.numberOfLines = 0
+        label.lineBreakMode = NSLineBreakMode.byWordWrapping
+        label.font = font
+        label.text = text
+        label.sizeToFit()
+        var height: CGFloat = 40.0
+        if actualHeight != 0 {
+            height = actualHeight
+        }
+        return max(label.frame.height, height)
+    }
 
     public func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
          if !pickerData[component].isEmpty {

McPicker/Classes/McPickerBarButtonItem.swift

@@ -60,7 +60,7 @@ open class McPickerBarButtonItem: UIBarButtonItem {
         return self.init(barButtonSystemItem: barButtonSystemItem, target: mcPicker, action: #selector(McPicker.cancel))
     }
 
-    public class func flexibleSpace() -> McPickerBarButtonItem {
+    public override class func flexibleSpace() -> McPickerBarButtonItem {
         return self.init(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
     }
 

README.md

@@ -132,15 +132,15 @@ McPicker is available through [CocoaPods](http://cocoapods.org). To install
 it, simply add the following line to your Podfile:
 
 ```ruby
-pod "McPicker"
+pod 'McPicker', :git => 'https://github.com/KahunaSystems/McPicker-iOS.git', :tag => '2.0.3'
 ```
 
 ### Swift 4.2 Support
 
 For Swift 4.2 support, please use version `2.0.0`.
 
 ```ruby
-pod 'McPicker', '~> 2.0.0'
+pod 'McPicker', :git => 'https://github.com/KahunaSystems/McPicker-iOS.git', :tag => '2.0.0'
 ```
 
 ## Author