header template hinzugefügt

cms.py

@@ -31,7 +31,8 @@ for d in (MD_DIR, TPL_DIR, CSS_DIR, OUT_DIR):
 
 SLUG_RE = re.compile(r"^[a-z0-9][a-z0-9_-]*$", re.IGNORECASE)
 START_PAGE = "startseite"
-FOOTER_PAGE = "footer"  # Baustein: wird in jede Seite eingefuegt, nicht eigenstaendig exportiert
+HEADER_PAGE = "header"  # Baustein: wird ueber den Inhalt jeder Seite gesetzt
+FOOTER_PAGE = "footer"  # Baustein: wird unter den Inhalt jeder Seite gesetzt
 
 
 # ---------------------------------------------------------------- markdown
@@ -174,7 +175,7 @@ def md_path(slug):
 def list_pages():
     pages = []
     for f in sorted(os.listdir(MD_DIR)):
-        if f.endswith(".md") and f[:-3] != FOOTER_PAGE:
+        if f.endswith(".md") and f[:-3] not in (HEADER_PAGE, FOOTER_PAGE):
             pages.append(f[:-3])
     return pages
 
@@ -197,12 +198,26 @@ def delete_page(slug):
 
 # ------------------------------------------------------------------ export
 
-def render_page(raw, template, footer_html=""):
+def block_html(slug):
+    """Rendert einen Baustein (header/footer) als HTML, leer wenn nicht vorhanden."""
+    if os.path.exists(md_path(slug)):
+        _, body = parse_md(load_page(slug))
+        return md_to_html(body)
+    return ""
+
+
+def render_page(raw, template, header_html="", footer_html=""):
     meta, body = parse_md(raw)
     html = md_to_html(body)
     page = (template
             .replace("{{titel}}", _escape(meta.get("titel", "")))
             .replace("{{inhalt}}", html))
+    if "{{header}}" in template:
+        page = page.replace("{{header}}", header_html)
+    elif header_html and "<body>" in page:
+        # Template ohne {{header}}-Platzhalter: Baustein automatisch setzen
+        idx = page.index("<body>") + len("<body>")
+        page = page[:idx] + "\n<header>\n" + header_html + "\n</header>\n" + page[idx:]
     if "{{footer}}" in template:
         page = page.replace("{{footer}}", footer_html)
     elif footer_html and "</body>" in page:
@@ -232,14 +247,12 @@ def export_site():
         if f.endswith(".css"):
             shutil.copy2(os.path.join(CSS_DIR, f), os.path.join(OUT_DIR, "css", f))
 
-    footer_html = ""
-    if os.path.exists(md_path(FOOTER_PAGE)):
-        _, fbody = parse_md(load_page(FOOTER_PAGE))
-        footer_html = md_to_html(fbody)
+    footer_html = block_html(FOOTER_PAGE)
+    header_html = block_html(HEADER_PAGE)
 
     exported = []
     for slug in list_pages():
-        page, _ = render_page(load_page(slug), template, footer_html)
+        page, _ = render_page(load_page(slug), template, header_html, footer_html)
         # startseite.md wird zur index.html
         out_name = "index.html" if slug == START_PAGE else slug + ".html"
         with open(os.path.join(OUT_DIR, out_name), "w", encoding="utf-8") as fh:
@@ -276,10 +289,11 @@ class Handler(BaseHTTPRequestHandler):
             self._send(200, ADMIN_HTML, "text/html; charset=utf-8")
         elif path == "/api/pages":
             self._json({"pages": list_pages(), "start": START_PAGE,
+                        "header": os.path.exists(md_path(HEADER_PAGE)),
                         "footer": os.path.exists(md_path(FOOTER_PAGE))})
         elif path.startswith("/api/page/"):
             slug = unquote(path[len("/api/page/"):])
-            if slug == FOOTER_PAGE or slug in list_pages():
+            if slug in (HEADER_PAGE, FOOTER_PAGE) or slug in list_pages():
                 self._json({"slug": slug, "raw": load_page(slug)})
             else:
                 self._json({"error": "Seite nicht gefunden"}, 404)
@@ -304,10 +318,10 @@ class Handler(BaseHTTPRequestHandler):
             self._json({"ok": True, "slug": slug})
         elif path == "/api/delete":
             slug = data.get("slug", "")
-            if slug != FOOTER_PAGE and slug not in list_pages():
+            if slug not in (HEADER_PAGE, FOOTER_PAGE) and slug not in list_pages():
                 return self._json({"error": "Seite nicht gefunden"}, 404)
-            if slug in (START_PAGE, FOOTER_PAGE):
-                return self._json({"error": "Startseite und Footer-Baustein koennen nicht geloescht werden."}, 400)
+            if slug in (START_PAGE, HEADER_PAGE, FOOTER_PAGE):
+                return self._json({"error": "Startseite und Bausteine koennen nicht geloescht werden."}, 400)
             delete_page(slug)
             self._json({"ok": True})
         elif path == "/api/preview":
@@ -384,12 +398,14 @@ async function loadPages() {
     if (p === current) a.className = "active";
     $("pages").appendChild(a);
   }
-  if (d.footer) {
-    const a = document.createElement("a");
-    a.textContent = "footer (Baustein)";
-    a.onclick = () => openPage("footer");
-    if (current === "footer") a.className = "active";
-    $("pages").appendChild(a);
+  for (const b of [["header", d.header], ["footer", d.footer]]) {
+    if (b[1]) {
+      const a = document.createElement("a");
+      a.textContent = b[0] + " (Baustein)";
+      a.onclick = () => openPage(b[0]);
+      if (current === b[0]) a.className = "active";
+      $("pages").appendChild(a);
+    }
   }
 }
 

md/header.md

@@ -0,0 +1,9 @@
+---
+titel: Header
+---
+
+# Meine Website
+
+Dieser Header-Baustein wird automatisch ueber den Inhalt **aller** Seiten gesetzt.
+
+- [Startseite](index.html)

output/index.html

@@ -8,9 +8,14 @@
 </head>
 <body>
   <header>
-    <h1>startseite</h1>
+    <h1>Meine Website</h1>
+<p>Dieser Header-Baustein wird automatisch ueber den Inhalt <strong>aller</strong> Seiten gesetzt.</p>
+<ul>
+<li><a href="index.html">Startseite</a></li>
+</ul>
   </header>
   <main>
+    <h1>startseite</h1>
     <p>Neue Seite. hier kommen alle inhalte hin.</p>
   </main>
   <footer>

templates/default.html

@@ -8,9 +8,10 @@
 </head>
 <body>
   <header>
-    <h1>{{titel}}</h1>
+    {{header}}
   </header>
   <main>
+    <h1>{{titel}}</h1>
     {{inhalt}}
   </main>
   <footer>