Make the add/remove buttons swap with each other.

lardieri · Jun 21, 2021 · 2ee3d3b · 2ee3d3b
1 parent 7f4b652
commit 2ee3d3b
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Showing 2 changed files with 42 additions and 2 deletions.
diff --git a/src/Entry Card/Asset identifiers.swift b/src/Entry Card/Asset identifiers.swift
@@ -8,6 +8,7 @@ import Foundation
 enum Images {
 
     static let gearshape = "gearshape"
+    static let emptyPicture = "Empty Picture"
 
 }
 

diff --git a/src/Entry Card/SettingsViewController.swift b/src/Entry Card/SettingsViewController.swift
@@ -43,15 +43,48 @@ class SettingsViewController: UITableViewController {
     }
 
     @IBAction func addImageTapped(_ sender: UIBarButtonItem) {
-
+        if let imageIndex = addImageButtons.firstIndex(of: sender),
+           var toolbarItems = toolbar.items,
+           let toolbarIndex = toolbarItems.firstIndex(of: sender) {
+
+            let imageView = imageViews[imageIndex]
+            chooseImage(forPosition: imageIndex) { [weak self, weak imageView] in
+                guard let self = self, let imageView = imageView else { return }
+
+                if imageView.image != Self.emptyPicture {
+                    toolbarItems[toolbarIndex] = self.removeImageButtons[imageIndex]
+                    self.toolbar.setItems(toolbarItems, animated: true)
+                }
+            }
+        }
     }
 
     @IBAction func removeImageTapped(_ sender: UIBarButtonItem) {
+        if let imageIndex = removeImageButtons.firstIndex(of: sender),
+           var toolbarItems = toolbar.items,
+           let toolbarIndex = toolbarItems.firstIndex(of: sender) {
+            imageViews[imageIndex].image = Self.emptyPicture
 
+            toolbarItems[toolbarIndex] = addImageButtons[imageIndex]
+            toolbar.setItems(toolbarItems, animated: true)
+        }
     }
 
     @IBAction func imageViewTapped(_ sender: UITapGestureRecognizer) {
-
+        if let imageView = sender.view as? UIImageView,
+           let imageIndex = imageViews.firstIndex(of: imageView),
+           var toolbarItems = toolbar.items,
+           let toolbarIndex = toolbarItems.firstIndex(of: addImageButtons[imageIndex]) {
+
+            chooseImage(forPosition: imageIndex) { [weak self, weak imageView] in
+                guard let self = self, let imageView = imageView else { return }
+
+                if imageView.image != Self.emptyPicture {
+                    toolbarItems[toolbarIndex] = self.removeImageButtons[imageIndex]
+                    self.toolbar.setItems(toolbarItems, animated: true)
+                }
+            }
+        }
     }
 
     @IBAction func brightnessChanged(_ sender: UISwitch, forEvent event: UIEvent) {
@@ -60,4 +93,10 @@ class SettingsViewController: UITableViewController {
         }
     }
 
+    private func chooseImage(forPosition index: Int, completion: @escaping () -> Void) {
+        completion()
+    }
+
+    private static let emptyPicture = UIImage(named: Images.emptyPicture)
+
 }