UX Block 3: Upload-Fortschritt, Toggle-Switch, vars.yml-Download

- Upload-Fortschrittsbalken per XHR mit Progress-Event
- Checkbox-Toggle statt Ja/Nein-Select für Enabled-Feld
- vars.yml Download-Button im Provisioning-Workflow
- Alle UX-Aufgaben in TODO.md abgehakt

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

TODO.md

@@ -155,9 +155,9 @@
 
 ### Niedrige Prioritaet
 
-- [ ] Upload-Fortschrittsbalken in Manage-UI
-- [ ] vars.yml Download-Button in Provision-UI statt Copy-Paste
-- [ ] Toggle-Switch statt Ja/Nein-Select fuer Enabled-Feld
+- [x] Upload-Fortschrittsbalken in Manage-UI
+- [x] vars.yml Download-Button in Provision-UI statt Copy-Paste
+- [x] Toggle-Switch statt Ja/Nein-Select fuer Enabled-Feld
 
 ## Querschnittsthemen
 

server/backend/internal/httpapi/manage/templates.go

@@ -62,7 +62,10 @@ ansible_user: {{.SSHUser}}
 screen_id: {{.Screen.Slug}}
 screen_name: "{{.Screen.Name}}"
 screen_orientation: {{.Orientation}}</pre>
-          <button class="button is-small is-light copy-btn mt-2" onclick="copy('hostvars')">📋 Kopieren</button>
+          <div class="buttons mt-2">
+            <button id="copy-btn-hostvars" class="button is-small is-light copy-btn" onclick="copy('hostvars', 'copy-btn-hostvars')">📋 Kopieren</button>
+            <button class="button is-small is-light" onclick="downloadFile(document.getElementById('hostvars').innerText, 'vars.yml')">⬇ Als Datei herunterladen</button>
+          </div>
           <p class="help mt-2">Tipp: <code>mkdir -p ansible/host_vars/{{.Screen.Slug}}</code></p>
         </div>
       </div>
@@ -115,17 +118,26 @@ ansible-playbook -i ansible/inventory.yml ansible/site.yml --limit {{.Screen.Slu
 </section>
 
 <script>
-function copy(id) {
+function copy(id, btnId) {
   var el = document.getElementById(id);
   if (!el) return;
   navigator.clipboard.writeText(el.innerText).then(function() {
-    var btn = el.nextElementSibling;
+    var btn = btnId
+      ? document.getElementById(btnId)
+      : el.nextElementSibling;
     if (!btn) return;
     var orig = btn.textContent;
     btn.textContent = '✓ Kopiert!';
     setTimeout(function() { btn.textContent = orig; }, 1500);
   });
 }
+
+function downloadFile(content, filename) {
+  var a = document.createElement('a');
+  a.href = 'data:text/plain;charset=utf-8,' + encodeURIComponent(content);
+  a.download = filename;
+  a.click();
+}
 </script>
 </body>
 </html>`
@@ -581,11 +593,11 @@ document.addEventListener('keydown', function(e) {
                   </div>
                   <div class="column is-narrow">
                     <label class="label is-small">Aktiv</label>
-                    <div class="select is-small">
-                      <select name="enabled">
-                        <option value="true"{{if .Enabled}} selected{{end}}>Ja</option>
-                        <option value="false"{{if not .Enabled}} selected{{end}}>Nein</option>
-                      </select>
+                    <div class="control" style="padding-top:0.4rem">
+                      <label class="checkbox">
+                        <input type="checkbox" name="enabled" value="true" {{if .Enabled}}checked{{end}}>
+                        Aktiv
+                      </label>
                     </div>
                   </div>
                   <div class="column is-narrow">
@@ -673,7 +685,7 @@ document.addEventListener('keydown', function(e) {
       </div>
 
       <div id="panel-file" class="tab-panel is-active">
-        <form method="POST" action="/manage/{{.Screen.Slug}}/upload" enctype="multipart/form-data">
+        <form id="upload-form" method="POST" action="/manage/{{.Screen.Slug}}/upload" enctype="multipart/form-data">
           <div class="columns is-vcentered">
             <div class="column is-2">
               <div class="field">
@@ -698,7 +710,7 @@ document.addEventListener('keydown', function(e) {
               <div class="field">
                 <label class="label">Datei</label>
                 <div class="control">
-                  <input class="input" type="file" name="file" required
+                  <input class="input" type="file" name="file" id="upload-file-input" required
                          accept="image/*,video/*,application/pdf">
                 </div>
               </div>
@@ -706,10 +718,14 @@ document.addEventListener('keydown', function(e) {
             <div class="column is-narrow">
               <div class="field">
                 <label class="label">&nbsp;</label>
-                <button class="button is-primary" type="submit">Hochladen</button>
+                <button class="button is-primary" type="button" id="upload-btn" onclick="startUpload()">Hochladen</button>
               </div>
             </div>
           </div>
+          <div id="upload-progress-wrap" style="display:none" class="mt-2">
+            <progress id="upload-progress" class="progress is-primary" value="0" max="100">0%</progress>
+          </div>
+          <div id="upload-error" class="notification is-danger is-light mt-2" style="display:none"></div>
         </form>
       </div>
 
@@ -800,6 +816,62 @@ if (sortableEl) {
     }
   });
 }
+
+// XHR-Upload mit Fortschrittsbalken
+function startUpload() {
+  var form = document.getElementById('upload-form');
+  var fileInput = document.getElementById('upload-file-input');
+  var btn = document.getElementById('upload-btn');
+  var progressWrap = document.getElementById('upload-progress-wrap');
+  var progress = document.getElementById('upload-progress');
+  var errorBox = document.getElementById('upload-error');
+
+  errorBox.style.display = 'none';
+
+  if (!fileInput.files || fileInput.files.length === 0) {
+    errorBox.textContent = 'Bitte zuerst eine Datei auswählen.';
+    errorBox.style.display = '';
+    return;
+  }
+
+  var formData = new FormData(form);
+  var xhr = new XMLHttpRequest();
+
+  xhr.upload.onprogress = function(e) {
+    if (e.lengthComputable) {
+      var pct = Math.round((e.loaded / e.total) * 100);
+      progress.value = pct;
+      progress.textContent = pct + '%';
+    }
+  };
+
+  xhr.onloadstart = function() {
+    btn.style.display = 'none';
+    progressWrap.style.display = '';
+    progress.value = 0;
+  };
+
+  xhr.onload = function() {
+    if (xhr.status >= 200 && xhr.status < 400) {
+      window.location.href = '/manage/{{.Screen.Slug}}?msg=uploaded';
+    } else {
+      progressWrap.style.display = 'none';
+      btn.style.display = '';
+      errorBox.textContent = 'Upload fehlgeschlagen (HTTP ' + xhr.status + '): ' + xhr.responseText;
+      errorBox.style.display = '';
+    }
+  };
+
+  xhr.onerror = function() {
+    progressWrap.style.display = 'none';
+    btn.style.display = '';
+    errorBox.textContent = 'Netzwerkfehler beim Upload. Bitte erneut versuchen.';
+    errorBox.style.display = '';
+  };
+
+  xhr.open('POST', form.action);
+  xhr.send(formData);
+}
 </script>
 
 </body>

server/backend/internal/httpapi/manage/ui.go

@@ -411,7 +411,7 @@ func HandleUpdateItemUI(playlists *store.PlaylistStore) http.HandlerFunc {
 		if d, err := strconv.Atoi(strings.TrimSpace(r.FormValue("duration_seconds"))); err == nil && d > 0 {
 			durationSeconds = d
 		}
-		enabled := r.FormValue("enabled") != "false"
+		enabled := r.FormValue("enabled") == "true"
 		validFrom, _ := parseOptionalTime(r.FormValue("valid_from"))
 		validUntil, _ := parseOptionalTime(r.FormValue("valid_until"))