Add bar code to scan code generator demo

Author: danielsaidi

Demo/Demo.xcodeproj/project.pbxproj

@@ -27,8 +27,8 @@
 		A901F081256F963E00F1C285 /* SharingScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = A901F07F256F963E00F1C285 /* SharingScreen.swift */; };
 		A901F085256F964600F1C285 /* ViewsScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = A901F084256F964600F1C285 /* ViewsScreen.swift */; };
 		A901F086256F964600F1C285 /* ViewsScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = A901F084256F964600F1C285 /* ViewsScreen.swift */; };
-		A901F099256FAF0100F1C285 /* QrCodeGeneratorScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = A901F098256FAF0100F1C285 /* QrCodeGeneratorScreen.swift */; };
-		A901F09A256FAF0100F1C285 /* QrCodeGeneratorScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = A901F098256FAF0100F1C285 /* QrCodeGeneratorScreen.swift */; };
+		A901F099256FAF0100F1C285 /* ScanCodeGeneratorScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = A901F098256FAF0100F1C285 /* ScanCodeGeneratorScreen.swift */; };
+		A901F09A256FAF0100F1C285 /* ScanCodeGeneratorScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = A901F098256FAF0100F1C285 /* ScanCodeGeneratorScreen.swift */; };
 		A901F0A0256FAF9A00F1C285 /* UserDefaultsPersistedScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = A901F09F256FAF9A00F1C285 /* UserDefaultsPersistedScreen.swift */; };
 		A901F0A1256FAF9A00F1C285 /* UserDefaultsPersistedScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = A901F09F256FAF9A00F1C285 /* UserDefaultsPersistedScreen.swift */; };
 		A901F0BC256FBFF700F1C285 /* SwipeGestureScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = A901F0BB256FBFF700F1C285 /* SwipeGestureScreen.swift */; };
@@ -121,7 +121,7 @@
 		A901F07A256F963400F1C285 /* PickersScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PickersScreen.swift; sourceTree = "<group>"; };
 		A901F07F256F963E00F1C285 /* SharingScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SharingScreen.swift; sourceTree = "<group>"; };
 		A901F084256F964600F1C285 /* ViewsScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ViewsScreen.swift; sourceTree = "<group>"; };
-		A901F098256FAF0100F1C285 /* QrCodeGeneratorScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QrCodeGeneratorScreen.swift; sourceTree = "<group>"; };
+		A901F098256FAF0100F1C285 /* ScanCodeGeneratorScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScanCodeGeneratorScreen.swift; sourceTree = "<group>"; };
 		A901F09F256FAF9A00F1C285 /* UserDefaultsPersistedScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserDefaultsPersistedScreen.swift; sourceTree = "<group>"; };
 		A901F0BB256FBFF700F1C285 /* SwipeGestureScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SwipeGestureScreen.swift; sourceTree = "<group>"; };
 		A901F0CA256FE62E00F1C285 /* AlertsScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AlertsScreen.swift; sourceTree = "<group>"; };
@@ -218,7 +218,7 @@
 			isa = PBXGroup;
 			children = (
 				A901F039256F8CA600F1C285 /* DataScreen.swift */,
-				A901F098256FAF0100F1C285 /* QrCodeGeneratorScreen.swift */,
+				A901F098256FAF0100F1C285 /* ScanCodeGeneratorScreen.swift */,
 				A901F09F256FAF9A00F1C285 /* UserDefaultsPersistedScreen.swift */,
 			);
 			path = Data;
@@ -563,7 +563,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				A901F099256FAF0100F1C285 /* QrCodeGeneratorScreen.swift in Sources */,
+				A901F099256FAF0100F1C285 /* ScanCodeGeneratorScreen.swift in Sources */,
 				A901F0DF256FE65E00F1C285 /* DemoPresentable.swift in Sources */,
 				A9F85336259B4D9200C98870 /* WebViewScreen.swift in Sources */,
 				A901F044256F8CBC00F1C285 /* GesturesScreen.swift in Sources */,
@@ -616,7 +616,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				A901F09A256FAF0100F1C285 /* QrCodeGeneratorScreen.swift in Sources */,
+				A901F09A256FAF0100F1C285 /* ScanCodeGeneratorScreen.swift in Sources */,
 				A901F0E0256FE65E00F1C285 /* DemoPresentable.swift in Sources */,
 				A9F85337259B4D9200C98870 /* WebViewScreen.swift in Sources */,
 				A901F045256F8CBC00F1C285 /* GesturesScreen.swift in Sources */,
@@ -909,8 +909,8 @@
 			isa = XCRemoteSwiftPackageReference;
 			repositoryURL = "https://github.com/danielsaidi/SwiftUIKit.git";
 			requirement = {
-				kind = upToNextMajorVersion;
-				minimumVersion = 1.6.0;
+				branch = master;
+				kind = branch;
 			};
 		};
 /* End XCRemoteSwiftPackageReference section */

Demo/Demo.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -18,8 +18,8 @@ struct DataScreen: View {
             }
 
             Section(header: Text("Utils")) {
-                MenuListItem(icon: .qrCode, title: "Qr Code Generator")
-                    .navigationLink(to: QrCodeGeneratorScreen())
+                MenuListItem(icon: .qrCode, title: "Scan Code Generator")
+                    .navigationLink(to: ScanCodeGeneratorScreen())
                 MenuListItem(icon: .data, title: "UserDefaults Persisted")
                     .navigationLink(to: UserDefaultsPersistedScreen())
             }

Demo/Demo.xcodeproj/project.xcworkspace/xcuserdata/danielsaidi.xcuserdatad/UserInterfaceState.xcuserstate

@@ -0,0 +1,104 @@
+//
+//  ScanCodeGeneratorScreen.swift
+//  Demo
+//
+//  Created by Daniel Saidi on 2020-11-26.
+//  Copyright © 2020 Daniel Saidi. All rights reserved.
+//
+
+import SwiftUI
+import SwiftUIKit
+
+struct ScanCodeGeneratorScreen: View {
+    
+    init(generator: ScanCodeGenerator = StandardScanCodeGenerator(scale: 100)) {
+        self.generator = generator
+    }
+    
+    private let generator: ScanCodeGenerator
+    
+    @State private var number = "123456"
+    @State private var urlString = "https://picsum.photos/200/300"
+    
+    @StateObject private var sheetContext = SheetContext()
+    
+    var body: some View {
+        MenuList("ScanCodeGenerator") {
+            Section {
+                MenuListText("Enter a number and a url and tap the bottom buttons to generate scan codes.")
+            }
+            
+            Section(header: Text("Number")) {
+                TextField("Enter number", text: $number)
+            }
+            
+            Section(header: Text("URL")) {
+                TextField("Enter URL", text: $urlString)
+            }
+            
+            Section(header: Text("Actions")) {
+                MenuListItem(icon: .barcode, title: "Show barcode for number")
+                    .button(action: showBarode)
+                    .enabled(hasNumber)
+                MenuListItem(icon: .qrCode, title: "Show QR Code for url")
+                    .button(action: showQrCode)
+                    .enabled(hasUrl)
+            }
+        }
+        .sheet(context: sheetContext)
+    }
+}
+
+private extension ScanCodeGeneratorScreen {
+    
+    var hasNumber: Bool { !number.trimmingCharacters(in: .whitespaces).isEmpty }
+    
+    var hasUrl: Bool { URL(string: urlString) != nil }
+}
+
+private extension ScanCodeGeneratorScreen {
+    
+    func showBarode() {
+        guard let image = generator.generateCodeView(.barcode, from: number) else { return }
+        sheetContext.present(
+            NavigationView {
+                VStack {
+                    Spacer()
+                    image
+                        .resizable()
+                        .aspectRatio(contentMode: .fit)
+                    Text(number).font(.footnote)
+                    Spacer()
+                }
+                
+                .navigationTitle("Scan, ohoy!")
+            }
+        )
+    }
+    
+    func showQrCode() {
+        guard let image = generator.generateCodeView(.qr, from: urlString) else { return }
+        sheetContext.present(
+            NavigationView {
+                VStack {
+                    Spacer()
+                    image
+                        .resizable()
+                        .aspectRatio(contentMode: .fit)
+                    Text(urlString).font(.footnote)
+                    Spacer()
+                }
+                
+                .navigationTitle("Scan, ohoy!")
+            }
+        )
+    }
+}
+
+struct ScanCodeGeneratorScreen_Previews: PreviewProvider {
+    static var previews: some View {
+        NavigationView {
+            ScanCodeGeneratorScreen()
+        }
+    }
+}

Demo/Shared/Data/DataScreen.swift

@@ -11,6 +11,7 @@ import SwiftUI
 extension Image {
 
     static var alert: Image { Image(systemName: "rectangle.center.inset.fill") }
+    static var barcode: Image { Image(systemName: "barcode") }
     static var blur: Image { Image(systemName: "face.dashed") }
     static var camera: Image { Image(systemName: "camera") }
     static var circularProgressBar: Image { Image(systemName: "timer") }

Demo/Shared/Data/QrCodeGeneratorScreen.swift

@@ -11,18 +11,23 @@ import SwiftUI
 import SwiftUIKit
 
 struct FlipViewScreen: View {
+    
+    @State private var isFlippedHorizontally = false
+    @State private var isFlippedVertically = false
 
     var body: some View {
         VStack {
             MenuListText("These views have a front and a back face and can be flipped by tapping ot swiping.")
             FlipView(
                 front: side(.blue, "Flip me horizontally!"),
                 back: side(.red, "Flip me back!"),
+                isFlipped: $isFlippedHorizontally,
                 tapDirection: .right,
                 swipeDirections: [.left, .right])
             FlipView(
                 front: side(.blue, "Flip me vertically!"),
                 back: side(.red, "Flip me back!"),
+                isFlipped: $isFlippedVertically,
                 tapDirection: .up,
                 swipeDirections: [.up, .down])
         }