refactor WorkoutItemLibrarySheet, add Set sample data

WorkoutsPlus/Workout/WorkoutDetail.swift

@@ -13,7 +13,7 @@ struct WorkoutDetail: View {
 		@Environment(\.modelContext) private var modelContext
 		
 		@State var workout: Workout
-		@State private var isPresentingExerciseLibrary = false
+		@State private var isPresentingWorkoutItemLibrarySheet = false
 		
 		var body: some View {
 				List {
@@ -25,7 +25,9 @@ struct WorkoutDetail: View {
 												.foregroundStyle(workout.workoutIconColorName.color)
 								}
 						}
-						Section(header: Text("Exercises")) {
+						Section(
+								header: Text("Exercises"),
+								footer: Text("Drag and drop to re-arrange or swipe to delete exercises.")) {
 								ForEach(workout.workoutItems
 										.sorted(by: { $0.position < $1.position})) { workoutItem in
 												switch workoutItem.workoutItemType {
@@ -40,25 +42,23 @@ struct WorkoutDetail: View {
 										.onDelete(perform: deleteExerciseFromWorkout)
 										.onMove(perform: move)
 										.environment(\.editMode, .constant(.active)) // Always active drag mode
-								AddItemButton(label: "Exercise", action: addWorkoutItemToWorkout)
+								AddItemButton(label: "Exercise", action: presentWorkoutItemLibrarySheet)
 						}
 				}
 				.navigationBarTitle("\(workout.name)")
 				.toolbar {
-						ToolbarItem() {
-								EditButton()
-						}
+						// TODO: Add proper Sharing for workouts.
+						ToolbarItem() { ShareLink(item: URL(filePath: "felixfoertsch.de")!) }
+						ToolbarItem() { EditButton() }
 				}
-				.sheet(isPresented: $isPresentingExerciseLibrary) {
-						AddWorkoutItemToWorkout(workout: workout)
-								.presentationDetents([.medium, .large])
-								.presentationDragIndicator(.visible)
+				.sheet(isPresented: $isPresentingWorkoutItemLibrarySheet) {
+						WorkoutItemLibrarySheet(workout: workout)
 				}
 		}
 		
-		private func addWorkoutItemToWorkout() {
+		private func presentWorkoutItemLibrarySheet() {
 				withAnimation {
-						isPresentingExerciseLibrary = true
+						isPresentingWorkoutItemLibrarySheet = true
 				}
 		}