Add support for sheets

Sources/Core/View/SheetWrapper.swift

@@ -0,0 +1,100 @@
+//
+//  SheetWrapper.swift
+//  MacBackend
+//
+//  Created by david-swift on 31.12.2024.
+//
+
+import SwiftUI
+
+/// A sheet on top of a wrapped view.
+public struct SheetWrapper: SwiftUIWidget {
+
+    /// Whether the sheet is presented.
+    @Meta.Binding var isPresented: Bool
+    /// The wrapped view.
+    var content: Body
+    /// The dialog's content.
+    var dialog: Body
+    /// The cancellation action.
+    var cancellationAction: Body = []
+    /// The confirmation action.
+    var confirmationAction: Body = []
+    /// The toolbar's content.
+    var toolbar: Body = []
+
+    /// The wrapped views.
+    public var wrappedViews: [String: Meta.AnyView] {
+        [
+            .mainContent: content,
+            "dialog": dialog,
+            "cancellationAction": cancellationAction,
+            "confirmationAction": confirmationAction,
+            "toolbar": toolbar
+        ]
+    }
+
+    /// Initialize a sheet wrapper.
+    /// - Parameters:
+    ///   - isPresented: Whether the sheet is presented.
+    ///   - content: The wrapped view.
+    ///   - dialog: The dialog's content.
+    public init(
+        isPresented: Meta.Binding<Bool>,
+        @Meta.ViewBuilder content: () -> Body,
+        @Meta.ViewBuilder dialog: () -> Body
+    ) {
+        self._isPresented = isPresented
+        self.content = content()
+        self.dialog = dialog()
+    }
+
+    /// Get the SwiftUI view.
+    /// - Parameter properties: The widget data.
+    /// - Returns: The SwiftUI view.
+    public static func view(properties: Self) -> some SwiftUI.View {
+        MacBackendView(.mainContent)
+            .sheet(isPresented: properties._isPresented.swiftUI) {
+                MacBackendView("dialog")
+                    .toolbar {
+                        if !properties.cancellationAction.isEmpty {
+                            ToolbarItem(placement: .cancellationAction) {
+                                MacBackendView("cancellationAction")
+                            }
+                        }
+                        if !properties.confirmationAction.isEmpty {
+                            ToolbarItem(placement: .confirmationAction) {
+                                MacBackendView("confirmationAction")
+                            }
+                        }
+                        if !properties.toolbar.isEmpty {
+                            ToolbarItem {
+                                MacBackendView("toolbar")
+                            }
+                        }
+                    }
+            }
+    }
+
+    /// Set the cancellation action in the toolbar.
+    /// - Parameter action: The action view.
+    /// - Returns: The sheet wrapper.
+    public func cancellationAction(@Meta.ViewBuilder _ action: () -> Body) -> Self {
+        modify { $0.cancellationAction = action() }
+    }
+
+    /// Set the confirmation action in the toolbar.
+    /// - Parameter action: The action view.
+    /// - Returns: The sheet wrapper.
+    public func confirmationAction(@Meta.ViewBuilder _ action: () -> Body) -> Self {
+        modify { $0.confirmationAction = action() }
+    }
+
+    /// Set the sheet's toolbar.
+    /// - Parameter action: The toolbar view.
+    /// - Returns: The sheet wrapper.
+    public func sheetToolbar(@Meta.ViewBuilder _ toolbar: () -> Body) -> Self {
+        modify { $0.toolbar = toolbar() }
+    }
+
+}

Sources/MacBackend/AnyView.swift

@@ -60,4 +60,16 @@ extension AnyView {
         ToolbarView(child: self, type: .center, toolbarViews: content)
     }
 
+    /// Present a sheet on top of the window.
+    /// - Parameters:
+    ///   - isPresented: Whether the sheet is presented.
+    ///   - dialog: The dialog's content.
+    /// - Returns: The wrapped view.
+    public func sheet(
+        isPresented: Meta.Binding<Bool>,
+        @Meta.ViewBuilder dialog: () -> Body
+    ) -> SheetWrapper {
+        .init(isPresented: isPresented, content: { self }, dialog: dialog)
+    }
+
 }