Combine and Edit Data

Author: Mithun

DesignCode.xcodeproj/project.pbxproj

@@ -12,6 +12,7 @@
 		ABB215DC22DB353800424B38 /* BlurView.swift in Sources */ = {isa = PBXBuildFile; fileRef = ABB215DB22DB353800424B38 /* BlurView.swift */; };
 		ABB215DE22DB713300424B38 /* UpdateList.swift in Sources */ = {isa = PBXBuildFile; fileRef = ABB215DD22DB713300424B38 /* UpdateList.swift */; };
 		ABB215E022DB7F4700424B38 /* UpdateDetail.swift in Sources */ = {isa = PBXBuildFile; fileRef = ABB215DF22DB7F4700424B38 /* UpdateDetail.swift */; };
+		ABB215E222DC472900424B38 /* UpdateStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = ABB215E122DC472900424B38 /* UpdateStore.swift */; };
 		ABE07CBF22D74F5700D209BE /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = ABE07CBE22D74F5700D209BE /* AppDelegate.swift */; };
 		ABE07CC122D74F5700D209BE /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = ABE07CC022D74F5700D209BE /* SceneDelegate.swift */; };
 		ABE07CC322D74F5700D209BE /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = ABE07CC222D74F5700D209BE /* ContentView.swift */; };
@@ -26,6 +27,7 @@
 		ABB215DB22DB353800424B38 /* BlurView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BlurView.swift; sourceTree = "<group>"; };
 		ABB215DD22DB713300424B38 /* UpdateList.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UpdateList.swift; sourceTree = "<group>"; };
 		ABB215DF22DB7F4700424B38 /* UpdateDetail.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UpdateDetail.swift; sourceTree = "<group>"; };
+		ABB215E122DC472900424B38 /* UpdateStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UpdateStore.swift; sourceTree = "<group>"; };
 		ABE07CBB22D74F5700D209BE /* DesignCode.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = DesignCode.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		ABE07CBE22D74F5700D209BE /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		ABE07CC022D74F5700D209BE /* SceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SceneDelegate.swift; sourceTree = "<group>"; };
@@ -72,6 +74,7 @@
 				AB62172622D870540039BC73 /* Home.swift */,
 				ABB215DD22DB713300424B38 /* UpdateList.swift */,
 				ABB215DF22DB7F4700424B38 /* UpdateDetail.swift */,
+				ABB215E122DC472900424B38 /* UpdateStore.swift */,
 				AB1D3B1B22D9CDEF00D0AEA6 /* HomeList.swift */,
 				ABB215DB22DB353800424B38 /* BlurView.swift */,
 				ABE07CC422D74F5900D209BE /* Assets.xcassets */,
@@ -162,6 +165,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				ABE07CBF22D74F5700D209BE /* AppDelegate.swift in Sources */,
+				ABB215E222DC472900424B38 /* UpdateStore.swift in Sources */,
 				ABB215DE22DB713300424B38 /* UpdateList.swift in Sources */,
 				AB1D3B1C22D9CDEF00D0AEA6 /* HomeList.swift in Sources */,
 				ABB215E022DB7F4700424B38 /* UpdateDetail.swift in Sources */,

DesignCode/UpdateList.swift

@@ -11,43 +11,58 @@ import SwiftUI
 struct UpdateList: View {
 
    var updates = updateData
+   @ObjectBinding var store = UpdateStore(updates: updateData)
+
+   func addUpdate() {
+      store.updates.append(Update(image: "Certificate1", title: "New Title", text: "New Text", date: "JUL 1"))
+   }
+
+   func move(from source: IndexSet, to destination: Int) {
+      store.updates.swapAt(source.first!, destination)
+   }
 
    var body: some View {
       NavigationView {
-         List(updates) { item in
-            NavigationLink(destination: UpdateDetail(title: item.title, text: item.text, image: item.image)) {
-               HStack(spacing: 12.0) {
-                  Image(item.image)
-                     .resizable()
-                     .aspectRatio(contentMode: .fit)
-                     .frame(width: 80, height: 80)
-                     .background(Color("background"))
-                     .cornerRadius(20)
+         List {
+            ForEach(store.updates) { item in
+               NavigationLink(destination: UpdateDetail(title: item.title, text: item.text, image: item.image)) {
+                  HStack(spacing: 12.0) {
+                     Image(item.image)
+                        .resizable()
+                        .aspectRatio(contentMode: .fit)
+                        .frame(width: 80, height: 80)
+                        .background(Color("background"))
+                        .cornerRadius(20)
 
-                  VStack(alignment: .leading) {
-                     Text(item.title)
-                        .font(.headline)
+                     VStack(alignment: .leading) {
+                        Text(item.title)
+                           .font(.headline)
 
-                     Text(item.text)
-                        .lineLimit(2)
-                        .lineSpacing(4)
-                        .frame(height: 50.0)
-                        .font(.subheadline)
+                        Text(item.text)
+                           .lineLimit(2)
+                           .lineSpacing(4)
+                           .font(.subheadline)
+                           .frame(height: 50.0)
 
-                     Text(item.date)
-                        .font(.caption)
-                        .fontWeight(.bold)
-                        .color(.gray)
+                        Text(item.date)
+                           .font(.caption)
+                           .fontWeight(.bold)
+                           .color(.gray)
+                     }
                   }
                }
+               .padding(.vertical, 8.0)
+            }
+            .onDelete { index in
+               self.store.updates.remove(at: index.first!)
             }
-            .padding(.vertical, 8.0)
+            .onMove(perform: move)
          }
          .navigationBarTitle(Text("Updates"))
-         .navigationBarItems(trailing:
-            PresentationLink(destination: Text("Settings")) {
-               Image(systemName: "gear")
-         })
+         .navigationBarItems(
+            leading: Button(action: addUpdate) { Text("Add Update") },
+            trailing: EditButton()
+         )
       }
    }
 }

DesignCode/UpdateStore.swift

@@ -0,0 +1,24 @@
+//
+//  UpdateStore.swift
+//  DesignCode
+//
+//  Created by Mithun x on 7/15/19.
+//  Copyright © 2019 Mithun. All rights reserved.
+//
+
+import Combine
+import SwiftUI
+
+class UpdateStore: BindableObject {
+   var didChange = PassthroughSubject<Void, Never>()
+
+   var updates: [Update] {
+      didSet {
+         didChange.send()
+      }
+   }
+
+   init(updates: [Update] = []) {
+      self.updates = updates
+   }
+}