Add ability to copy/open transitions

Author: lehmacdj

Nodal/Nodal/Screen/NodeMenuItems.swift

@@ -8,7 +8,7 @@
 import SwiftUI
 
 @ViewBuilder
-func nodeMenuItems(nid: NID, dataURL: URL?) -> some View {
+func nodeMenuItems(nid: NID, dataURL: URL?, transition: String?) -> some View {
     Button {
         UIPasteboard.general.string = String(describing: nid)
     } label: {
@@ -22,4 +22,19 @@ func nodeMenuItems(nid: NID, dataURL: URL?) -> some View {
             Label("Copy data file path", systemImage: "document")
         }
     }
+    if let transition {
+        if let url = URL(string: transition),
+           url.scheme != nil {
+            Button {
+                UIApplication.shared.open(url)
+            } label: {
+                Label("Open in browser", systemImage: "safari")
+            }
+        }
+        Button {
+            UIPasteboard.general.string = transition
+        } label: {
+            Label("Copy transition", systemImage: "character")
+        }
+    }
 }

Nodal/Nodal/Screen/NodeScreen.swift

@@ -84,7 +84,7 @@ struct NodeScreen: View {
     func toolbarContent(for state: NodeState) -> some ToolbarContent {
         ToolbarItem(placement: .navigationBarTrailing) {
             Menu {
-                nodeMenuItems(nid: vm.nid, dataURL: state.dataURL)
+                nodeMenuItems(nid: vm.nid, dataURL: state.dataURL, transition: nil)
             } label: {
                 Image(systemName: "link")
             } primaryAction: {

Nodal/Nodal/Screen/TransitionCell.swift

@@ -133,7 +133,8 @@ struct TransitionCell: View {
             .contextMenu {
                 nodeMenuItems(
                     nid: vm.destination.nid,
-                    dataURL: vm.dataURL.loaded ?? nil
+                    dataURL: vm.dataURL.loaded ?? nil,
+                    transition: vm.transition
                 )
             }
             .swipeActions(edge: .leading) {