Add markdown.rs viewer

2026-03-19 00:32:06 +08:00
parent af58582274
commit 791da004f2
1 changed files with 49 additions and 0 deletions
--- a/src/viewer/markdown.rs
+++ b/src/viewer/markdown.rs
@@ -0,0 +1,49 @@
+//! Markdown 檢視器
+
+use anyhow::Result;
+
+pub struct MarkdownViewer {
+    content: Option<String>,
+}
+
+impl MarkdownViewer {
+    pub fn new() -> Self {
+        Self { content: None }
+    }
+
+    pub fn load(&mut self, content: &str) -> Result<String> {
+        self.content = Some(content.to_string());
+        self.render()
+    }
+
+    pub fn render(&self) -> Result<String> {
+        let content = self.content.as_ref()
+            .ok_or_else(|| anyhow::anyhow!("No content loaded"))?;
+        
+        let parser = pulldown_cmark::Parser::new(content);
+        let mut html = String::new();
+        pulldown_cmark::html::push_html(&mut html, parser);
+        
+        Ok(html)
+    }
+
+    pub fn get_html_template(&self) -> String {
+        r#"
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <style>
+        body { font-family: system-ui; padding: 20px; max-width: 800px; margin: 0 auto; }
+        pre { background: #f4f4f4; padding: 10px; border-radius: 4px; overflow-x: auto; }
+        code { background: #f4f4f4; padding: 2px 6px; border-radius: 3px; }
+        img { max-width: 100%; }
+    </style>
+</head>
+<body>
+    <div id="content">CONTENT_PLACEHOLDER</div>
+</body>
+</html>
+"#.replace("CONTENT_PLACEHOLDER", &self.render().unwrap_or_default())
+    }
+}