86 lines
2.9 KiB
Swift
86 lines
2.9 KiB
Swift
import SwiftUI
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import UniformTypeIdentifiers
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import AppKit
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struct ContentView: View {
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@State private var selectedFileURL: URL?
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@State private var markdownContent: String = ""
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var body: some View {
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NavigationSplitView {
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VStack {
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Button("Open Markdown File") {
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openFile()
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}
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.padding()
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Button("Test with Sample Content") {
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markdownContent = "# Test\n\nThis is **test** content."
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print("Set test content: \(markdownContent)")
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}
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.padding()
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if let url = selectedFileURL {
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Text("File: \(url.lastPathComponent)")
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.foregroundColor(.secondary)
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.font(.caption)
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.truncationMode(.middle)
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.padding(.horizontal)
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}
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Spacer()
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}
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.frame(minWidth: 200)
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.navigationSplitViewColumnWidth(min: 200, ideal: 250)
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} detail: {
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if !markdownContent.isEmpty {
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MarkdownRenderer(content: markdownContent)
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.onAppear {
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print("MarkdownRenderer appeared with content length: \(markdownContent.count)")
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}
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} else {
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VStack {
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Image(systemName: "doc.text")
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.font(.system(size: 60))
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.foregroundColor(.secondary)
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Text("Select a markdown file to preview")
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.foregroundColor(.secondary)
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.padding()
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}
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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}
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}
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.navigationTitle("Markdown Viewer")
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}
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private func openFile() {
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let panel = NSOpenPanel()
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panel.allowsMultipleSelection = false
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panel.canChooseDirectories = false
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panel.canChooseFiles = true
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panel.allowedContentTypes = [UTType.plainText, UTType(filenameExtension: "md")!]
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if panel.runModal() == .OK {
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if let url = panel.url {
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selectedFileURL = url
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loadMarkdownFile(from: url)
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}
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}
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}
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private func loadMarkdownFile(from url: URL) {
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do {
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let content = try String(contentsOf: url, encoding: .utf8)
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print("File loaded successfully, content length: \(content.count)")
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print("First 100 characters: \(String(content.prefix(100)))")
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markdownContent = content
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} catch {
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print("Error reading file: \(error)")
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markdownContent = "Error loading file: \(error.localizedDescription)"
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}
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}
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}
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#Preview {
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ContentView()
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} |