Enable checkboxes on page load

[voter] / src / main.rs
diff --git a/src/main.rs b/src/main.rs

index a1ec8bc6cec3a6f60035d2a0df413c7ff8d04a12..bd329fab9f9c864679d5e988e94fbc7cecceee8f 100644 (file)
--- a/src/main.rs
+++ b/src/main.rs
@@ -75,13 +75,21 @@ fn set_cookie(mut response: cgi::Response, path: &str) -> Result<cgi::Response,
      Ok(response)
  }
  
-const HTML_HEADER: &str = "
+const HTML_HEADER: &str = "<!DOCTYPE html>
  <html>
    <head>
+    <meta charset=\"utf-8\">
      <title>Vote!</title>
      <style>
-      input { transform: scale(1.5); }
+      input { transform: scale(1.5) }
      </style>
+    <script>
+      window.onload = function() {
+        for (cb of document.getElementsByTagName('input')) {
+          cb.disabled = false
+        }
+      }
+    </script>
    </head>
    <body>
      <table>";
@@ -98,7 +106,9 @@ fn prompt_for_vote(dir: PathBuf, request: cgi::Request) -> Result<cgi::Response,
          200,
          std::iter::once(Ok(HTML_HEADER.to_owned()))
              .chain(std::io::BufReader::new(cfile).lines().map(|rc| {
-                rc.map(|c| format!("<tr><td><input type=\"checkbox\"></td><td>{c}</td></tr>"))
+                rc.map(|c| {
+                    format!("<tr><td><input type=\"checkbox\" disabled></td><td>{c}</td></tr>")
+                })
              }))
              .chain(std::iter::once(Ok(HTML_FOOTER.to_owned())))
              .collect::<std::io::Result<String>>()