Expande seccion

ContactsApp.xcodeproj/project.pbxproj

@@ -12,7 +12,7 @@
 		CE3351F3241A65D400BA57CA /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = CE3351F1241A65D400BA57CA /* Main.storyboard */; };
 		CE3351F5241A65D500BA57CA /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = CE3351F4241A65D500BA57CA /* Assets.xcassets */; };
 		CE3351F8241A65D500BA57CA /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = CE3351F6241A65D500BA57CA /* LaunchScreen.storyboard */; };
-		CEC259D8241FAC79005237F5 /* File.swift in Sources */ = {isa = PBXBuildFile; fileRef = CEC259D7241FAC79005237F5 /* File.swift */; };
+		CEC259D8241FAC79005237F5 /* ContactStruct.swift in Sources */ = {isa = PBXBuildFile; fileRef = CEC259D7241FAC79005237F5 /* ContactStruct.swift */; };
 		CEC9A37F241BFBD000F024EE /* ContactsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = CEC9A37E241BFBD000F024EE /* ContactsViewController.swift */; };
 		CEC9A381241C096D00F024EE /* SingleContactViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = CEC9A380241C096D00F024EE /* SingleContactViewController.swift */; };
 /* End PBXBuildFile section */
@@ -25,7 +25,7 @@
 		CE3351F4241A65D500BA57CA /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		CE3351F7241A65D500BA57CA /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		CE3351F9241A65D500BA57CA /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
-		CEC259D7241FAC79005237F5 /* File.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = File.swift; sourceTree = "<group>"; };
+		CEC259D7241FAC79005237F5 /* ContactStruct.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContactStruct.swift; sourceTree = "<group>"; };
 		CEC9A37E241BFBD000F024EE /* ContactsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContactsViewController.swift; sourceTree = "<group>"; };
 		CEC9A380241C096D00F024EE /* SingleContactViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SingleContactViewController.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -68,7 +68,7 @@
 				CE3351F9241A65D500BA57CA /* Info.plist */,
 				CEC9A37E241BFBD000F024EE /* ContactsViewController.swift */,
 				CEC9A380241C096D00F024EE /* SingleContactViewController.swift */,
-				CEC259D7241FAC79005237F5 /* File.swift */,
+				CEC259D7241FAC79005237F5 /* ContactStruct.swift */,
 			);
 			path = ContactsApp;
 			sourceTree = "<group>";
@@ -144,7 +144,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				CEC259D8241FAC79005237F5 /* File.swift in Sources */,
+				CEC259D8241FAC79005237F5 /* ContactStruct.swift in Sources */,
 				CE3351EC241A65D400BA57CA /* AppDelegate.swift in Sources */,
 				CEC9A37F241BFBD000F024EE /* ContactsViewController.swift in Sources */,
 				CE3351EE241A65D400BA57CA /* SceneDelegate.swift in Sources */,

ContactsApp/File.swift → ContactsApp/ContactStruct.swift

 //
-//  File.swift
+//  ContactStruct.swift
 //  ContactsApp
 //
 //  Created by User on 3/16/20.
@@ -7,7 +7,9 @@
 //
 
 import Foundation
+import ContactsUI
 
-class Contacts {
-    
+struct ContactStruct {
+    var isExpanded: Bool
+    let contacts  : [CNContact]
 }

ContactsApp/ContactsViewController.swift

@@ -12,9 +12,9 @@ import ContactsUI
 class ContactsViewController: UIViewController {
     
     @IBOutlet weak var contactsTable: UITableView!
-    
+    var contactStruct = [ContactStruct]()
     var contacts = [CNContact]()
-    var contactsBackup = [CNContact]()
+    //var contactsBackup = [CNContact]()
     let contactStore = CNContactStore()
     
     override func viewDidLoad() {
@@ -34,6 +34,8 @@ class ContactsViewController: UIViewController {
                 // Array containing all unified contacts from everywhere
                 self.contacts.append(contact)
             }
+            let contactsExpandables = ContactStruct(isExpanded: true, contacts: contacts)
+            self.contactStruct = [contactsExpandables]
         }
         catch {
             print("unable to fetch contacts")
@@ -52,12 +54,19 @@ class ContactsViewController: UIViewController {
 }
 extension ContactsViewController: UITableViewDelegate, UITableViewDataSource {
     func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        return contacts.count
+        if !contactStruct[section].isExpanded {
+            return 0
+        }
+        
+        return contactStruct[section].contacts.count
     }
     
     func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {        
         let cell = tableView.dequeueReusableCell(withIdentifier: "contactName")!
-        cell.textLabel?.text = "\(contacts[indexPath.row].givenName) \(contacts[indexPath.row].familyName)"
+        let contactCell = contactStruct[indexPath.section].contacts[indexPath.row]
+
+        cell.textLabel?.text = "\(contactCell.givenName) \(contactCell.familyName)"
+        
         return cell
     }
     
@@ -77,20 +86,30 @@ extension ContactsViewController: UITableViewDelegate, UITableViewDataSource {
         button.titleLabel?.font = UIFont.boldSystemFont(ofSize: 15)
         button.backgroundColor = .systemGray4
         button.addTarget(self, action: #selector(closeSection), for: .touchUpInside)
-        
+        button.tag = section
         return button//ʌΛ
     }
     
-    @objc func closeSection() {
-        contactsBackup = contacts
-        let section = 0
+    @objc func closeSection(button : UIButton) {
+        //contactsBackup = contacts
+        let section = button.tag
         
         var indexPaths = [IndexPath]()
-        for row in contacts.indices {
+        for row in contactStruct[section].contacts.indices {
             let indexPath = IndexPath(row: row, section: section)
             indexPaths.append(indexPath)
         }
-        contacts.removeAll()
-        contactsTable.reloadData()
+
+        let isExpanded = contactStruct[section].isExpanded
+        contactStruct[section].isExpanded = !isExpanded
+        
+        button.setTitle(isExpanded ? "V" : "Λ", for: .normal)
+        
+        if isExpanded {
+            contactsTable.deleteRows(at: indexPaths, with: .top)
+        } else {
+            contactsTable.insertRows(at: indexPaths, with: .bottom)
+        }
+        
     }
 }