Move to a standard SwiftUI window for preview windows so I can add toolbar items from SwiftUI. Not ideal. Added support for previewing text files too.

1 files changed, 42 insertions, 0 deletions

diff --git a/Hotline/Shared/FileIconView.swift b/Hotline/Shared/FileIconView.swift
new file mode 100644
index 0000000..7336cf3
--- /dev/null
+++ b/Hotline/Shared/FileIconView.swift
@@ -0,0 +1,42 @@
+import SwiftUI
+import UniformTypeIdentifiers
+
+struct FileIconView: View {
+  let filename: String
+  
+  #if os(iOS)
+  private func fileIcon(filename: String) -> Image {
+    let fileExtension = (filename as NSString).pathExtension
+    if let fileType = UTType(filenameExtension: fileExtension) {
+      if fileType.isSubtype(of: .movie) {
+        return Image(systemName: "play.rectangle")
+      }
+      else if fileType.isSubtype(of: .image) {
+        return Image(systemName: "photo")
+      }
+      else if fileType.isSubtype(of: .archive) {
+        return Image(systemName: "doc.zipper")
+      }
+      else if fileType.isSubtype(of: .text) {
+        return Image(systemName: "doc.text")
+      }
+      else {
+        return Image(systemName: "doc")
+      }
+    }
+    
+    return Image(systemName: "doc")
+  }
+  #elseif os(macOS)
+  private func fileIcon(filename: String) -> Image {
+    Image(nsImage: NSWorkspace.shared.icon(for: UTType(filenameExtension: (filename as NSString).pathExtension) ?? UTType.content))
+  }
+  #endif
+
+  
+  var body: some View {
+    fileIcon(filename: filename)
+      .resizable()
+      .scaledToFit()
+  }
+}