wir haben unterkategorien

app.py

@@ -2134,14 +2134,14 @@ def get_root_mindmap_data():
             
         print(f"Gefundene Hauptkategorien: {[cat.name for cat in categories]}")
         
-        # Basis-Knoten erstellen
+        # Basis-Knoten erstellen (ohne has_children gesetzt, da Wissen selbst keine Unterkategorien haben soll)
         nodes = [{
             'id': 'root',
             'name': 'Wissen',
             'description': 'Zentrale Wissensbasis',
             'color_code': '#4299E1',
             'is_center': True,
-            'has_children': bool(categories),
+            'has_children': False,  # Geändert, damit "Wissen" selbst keine Unterkategorien hat
             'icon': 'fa-solid fa-circle'
         }]
         
@@ -2153,7 +2153,7 @@ def get_root_mindmap_data():
                 'description': category.description or '',
                 'color_code': category.color_code or '#9F7AEA',
                 'category': category.name,
-                'has_children': bool(len(category.children) > 0),
+                'has_children': bool(len(category.children) > 0),  # Diese Kategorien haben Unterkategorien
                 'icon': category.icon or 'fa-solid fa-circle'
             })
         
@@ -2208,6 +2208,61 @@ def get_mindmap_data(node_id):
                 'details': 'Diese ID ist für spezielle Routen reserviert'
             }), 400
         
+        # Prüfen, ob es sich um eine Kategorie-ID handelt (Format: cat_X)
+        if node_id.startswith('cat_'):
+            category_id = None
+            try:
+                category_id = int(node_id.split('_')[1])
+            except (IndexError, ValueError) as e:
+                print(f"Fehler beim Parsen der Kategorie-ID '{node_id}': {str(e)}")
+                return jsonify({
+                    'success': False,
+                    'error': 'Ungültige Kategorie-ID',
+                    'details': f"Die ID '{node_id}' konnte nicht als Kategorie identifiziert werden"
+                }), 400
+            
+            # Kategorie mit Unterkategorien laden
+            category = Category.query.options(
+                joinedload(Category.children)
+            ).get_or_404(category_id)
+            
+            # Basis-Knoten erstellen
+            nodes = [{
+                'id': f'cat_{category.id}',
+                'name': category.name,
+                'description': category.description or '',
+                'color_code': category.color_code or '#9F7AEA',
+                'is_center': True,
+                'has_children': bool(category.children),
+                'icon': category.icon or 'fa-solid fa-circle'
+            }]
+            
+            # Unterkategorien hinzufügen
+            for subcat in category.children:
+                nodes.append({
+                    'id': f'cat_{subcat.id}',
+                    'name': subcat.name,
+                    'description': subcat.description or '',
+                    'color_code': subcat.color_code or '#9F7AEA',
+                    'category': category.name,
+                    'has_children': bool(subcat.children),
+                    'icon': subcat.icon or 'fa-solid fa-circle'
+                })
+            
+            # Kanten erstellen (vereinheitlichte Schlüssel)
+            edges = [{
+                'source': f'cat_{category.id}',
+                'target': f'cat_{subcat.id}',
+                'strength': 0.8
+            } for subcat in category.children]
+            
+            return jsonify({
+                'success': True,
+                'nodes': nodes,
+                'edges': edges
+            })
+            
+        # Sonst: Normale Knoten-ID
         # Knoten mit Unterknoten in einer Abfrage laden
         node = MindMapNode.query.options(
             joinedload(MindMapNode.children)

logs/app.log

@@ -461,3 +461,69 @@ werkzeug.exceptions.NotFound: 404 Not Found: The requested URL was not found on
 2025-05-16 14:04:28,258 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
 2025-05-16 14:04:29,923 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
 2025-05-16 14:04:29,923 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:05:10,551 ERROR: Fehler 404: 404 Not Found: The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again.
+Endpoint: /.well-known/appspecific/com.chrome.devtools.json, Method: GET, IP: 127.0.0.1
+Nicht angemeldet
+Traceback (most recent call last):
+  File "C:\Users\firem\Desktop\111\Systades\website\.venv\Lib\site-packages\flask\app.py", line 1823, in full_dispatch_request
+    rv = self.dispatch_request()
+  File "C:\Users\firem\Desktop\111\Systades\website\.venv\Lib\site-packages\flask\app.py", line 1788, in dispatch_request
+    self.raise_routing_exception(req)
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^
+  File "C:\Users\firem\Desktop\111\Systades\website\.venv\Lib\site-packages\flask\app.py", line 1770, in raise_routing_exception
+    raise request.routing_exception  # type: ignore
+    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\Users\firem\Desktop\111\Systades\website\.venv\Lib\site-packages\flask\ctx.py", line 351, in match_request
+    result = self.url_adapter.match(return_rule=True)  # type: ignore
+  File "C:\Users\firem\Desktop\111\Systades\website\.venv\Lib\site-packages\werkzeug\routing\map.py", line 624, in match
+    raise NotFound() from None
+werkzeug.exceptions.NotFound: 404 Not Found: The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again.
+ [in C:\Users\firem\Desktop\111\Systades\website\app.py:93]
+2025-05-16 20:05:10,551 ERROR: Fehler 404: 404 Not Found: The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again.
+Endpoint: /.well-known/appspecific/com.chrome.devtools.json, Method: GET, IP: 127.0.0.1
+Nicht angemeldet
+Traceback (most recent call last):
+  File "C:\Users\firem\Desktop\111\Systades\website\.venv\Lib\site-packages\flask\app.py", line 1823, in full_dispatch_request
+    rv = self.dispatch_request()
+  File "C:\Users\firem\Desktop\111\Systades\website\.venv\Lib\site-packages\flask\app.py", line 1788, in dispatch_request
+    self.raise_routing_exception(req)
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^
+  File "C:\Users\firem\Desktop\111\Systades\website\.venv\Lib\site-packages\flask\app.py", line 1770, in raise_routing_exception
+    raise request.routing_exception  # type: ignore
+    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\Users\firem\Desktop\111\Systades\website\.venv\Lib\site-packages\flask\ctx.py", line 351, in match_request
+    result = self.url_adapter.match(return_rule=True)  # type: ignore
+  File "C:\Users\firem\Desktop\111\Systades\website\.venv\Lib\site-packages\werkzeug\routing\map.py", line 624, in match
+    raise NotFound() from None
+werkzeug.exceptions.NotFound: 404 Not Found: The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again.
+ [in C:\Users\firem\Desktop\111\Systades\website\app.py:93]
+2025-05-16 20:05:50,467 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:05:53,368 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:05:53,368 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:06:06,574 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:06:08,460 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:06:08,460 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:12:23,356 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:12:23,363 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:12:26,797 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:12:26,797 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:12:27,029 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:12:27,029 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:12:57,838 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:12:59,652 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:13:02,105 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:13:02,105 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:13:03,187 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:13:03,187 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:13:43,823 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:13:44,945 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:13:46,112 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:13:46,112 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:13:47,360 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:13:47,360 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:14:18,044 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:14:20,092 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:14:20,092 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:14:28,029 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:14:30,609 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]
+2025-05-16 20:14:30,609 INFO: Anwendung gestartet [in C:\Users\firem\Desktop\111\Systades\website\app.py:77]

static/js/update_mindmap.js

@@ -1757,6 +1757,88 @@ editingStyles.textContent = `
 `;
 document.head.appendChild(editingStyles);
 
+// CSS-Styles für die Unterkategorien-Seite
+(function() {
+    const style = document.createElement('style');
+    style.textContent = `
+        .mindmap-page {
+            position: absolute;
+            top: 0;
+            left: 0;
+            width: 100%;
+            height: 100%;
+            background: linear-gradient(135deg, #1a1f2e 0%, #0f172a 100%);
+            z-index: 1000;
+            display: flex;
+            flex-direction: column;
+        }
+        
+        .mindmap-page .mindmap-header {
+            position: relative;
+            display: flex;
+            align-items: center;
+            padding: 1rem;
+            background: rgba(15, 23, 42, 0.8);
+            backdrop-filter: blur(10px);
+            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
+            z-index: 10;
+            height: 64px;
+        }
+        
+        .mindmap-page .back-button {
+            background: none;
+            border: none;
+            color: #fff;
+            cursor: pointer;
+            padding: 0.5rem;
+            margin-right: 1rem;
+            border-radius: 50%;
+            transition: background-color 0.3s;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            width: 36px;
+            height: 36px;
+        }
+        
+        .mindmap-page .back-button:hover {
+            background: rgba(255, 255, 255, 0.1);
+        }
+        
+        .mindmap-page .back-button svg {
+            width: 20px;
+            height: 20px;
+        }
+        
+        .mindmap-page .mindmap-title {
+            color: #fff;
+            font-size: 1.5rem;
+            font-weight: 600;
+            margin: 0;
+            background: linear-gradient(90deg, #60a5fa, #8b5cf6);
+            -webkit-background-clip: text;
+            -webkit-text-fill-color: transparent;
+        }
+        
+        .mindmap-view {
+            width: 100%;
+            height: calc(100% - 64px);
+            position: relative;
+        }
+        
+        /* Fix für den Cytoscape Container */
+        .mindmap-view > div {
+            width: 100%;
+            height: 100%;
+            background: transparent;
+            position: absolute;
+            top: 0;
+            left: 0;
+        }
+    `;
+    document.head.appendChild(style);
+})();
+
 // Funktion zum Laden der Subthemen
 async function loadSubthemes(node) {
     try {
@@ -1765,7 +1847,15 @@ async function loadSubthemes(node) {
 
         showUINotification('Lade Subthemen...', 'info');
 
+        // Finde den Container
         const mindmapContainer = document.querySelector('.mindmap-container');
+        if (!mindmapContainer) {
+            console.error('Mindmap-Container nicht gefunden');
+            showUINotification('Fehler: Mindmap-Container nicht gefunden', 'error');
+            return;
+        }
+
+        // Erstelle eine neue Seite für die Unterkategorien
         const newPage = document.createElement('div');
         newPage.className = 'mindmap-page';
         newPage.style.display = 'none';
@@ -1773,7 +1863,7 @@ async function loadSubthemes(node) {
         const header = document.createElement('div');
         header.className = 'mindmap-header';
         header.innerHTML = `
-            <button class="back-button" onclick="goBack()">
+            <button class="back-button" onclick="window.goBack()">
                 <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                     <path d="M19 12H5M12 19l-7-7 7-7"/>
                 </svg>
@@ -1785,17 +1875,30 @@ async function loadSubthemes(node) {
         newContainer.id = `cy-${node.id()}`;
         newContainer.className = 'mindmap-view';
         
+        // Füge die Elemente zur DOM-Struktur hinzu
         newPage.appendChild(header);
         newPage.appendChild(newContainer);
         mindmapContainer.appendChild(newPage);
         
+        // Warte, bis der DOM aktualisiert ist
+        await new Promise(resolve => setTimeout(resolve, 50));
+        
         // Speichere die Cytoscape-Instanz für eventuelle Referenzen
         if (!window.subthemeCyInstances) {
             window.subthemeCyInstances = {};
         }
         
+        // Überprüfe, ob der Container jetzt im DOM existiert
+        const containerElement = document.getElementById(`cy-${node.id()}`);
+        if (!containerElement) {
+            console.error(`Container #cy-${node.id()} nicht gefunden`);
+            showUINotification(`Fehler: Container #cy-${node.id()} nicht gefunden`, 'error');
+            return;
+        }
+        
+        // Erstelle die Cytoscape-Instanz
         const newCy = cytoscape({
-            container: newContainer,
+            container: containerElement,
             elements: [
                 ...mindmapData.nodes.map(node => ({
                     data: {
@@ -1844,67 +1947,41 @@ async function loadSubthemes(node) {
         
     } catch (error) {
         console.error('Fehler beim Laden der Subthemen:', error);
-        showUINotification('Fehler beim Laden der Subthemen', 'error');
+        showUINotification('Fehler beim Laden der Subthemen: ' + error.message, 'error');
     }
 }
 
 // Funktion zum Zurücknavigieren
 function goBack() {
+    try {
+        console.log('goBack Funktion aufgerufen');
         const currentPage = document.querySelector('.mindmap-page:not([style*="display: none"])');
         if (currentPage) {
+            console.log('Aktuelle Seite gefunden:', currentPage);
             currentPage.style.display = 'none';
-        cy.container().style.display = 'block';
+            
+            // Stelle sicher, dass die Haupt-Cytoscape-Instanz existiert
+            if (window.cy && window.cy.container()) {
+                console.log('Zeige Haupt-Cytoscape-Container an');
+                window.cy.container().style.display = 'block';
+                
+                // Aktualisiere das Layout
+                setTimeout(() => {
+                    window.cy.resize();
+                    window.cy.fit();
+                }, 100);
+            } else {
+                console.error('Haupt-Cytoscape-Instanz oder Container nicht gefunden');
+                showUINotification('Fehler: Hauptmindmap konnte nicht angezeigt werden', 'error');
+            }
+        } else {
+            console.warn('Keine aktuelle Unterseite gefunden');
+        }
+    } catch (error) {
+        console.error('Fehler in goBack Funktion:', error);
+        showUINotification('Fehler beim Zurücknavigieren: ' + error.message, 'error');
     }
 }
 
-// CSS-Styles für die Unterkategorien-Seite
+// Funktion global verfügbar machen
-(function() {
+window.goBack = goBack; 
-    const style = document.createElement('style');
-    style.textContent = `
-        .mindmap-page {
-            position: absolute;
-            top: 0;
-            left: 0;
-            width: 100%;
-            height: 100%;
-            background: var(--bg-color, #1a1a1a);
-            z-index: 1000;
-        }
-        
-        .mindmap-header {
-            display: flex;
-            align-items: center;
-            padding: 1rem;
-            background: rgba(0, 0, 0, 0.2);
-            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
-        }
-        
-        .back-button {
-            background: none;
-            border: none;
-            color: #fff;
-            cursor: pointer;
-            padding: 0.5rem;
-            margin-right: 1rem;
-            border-radius: 50%;
-            transition: background-color 0.3s;
-        }
-        
-        .back-button:hover {
-            background: rgba(255, 255, 255, 0.1);
-        }
-        
-        .mindmap-title {
-            color: #fff;
-            font-size: 1.5rem;
-            font-weight: 600;
-            margin: 0;
-        }
-        
-        .mindmap-view {
-            width: 100%;
-            height: calc(100% - 4rem);
-        }
-    `;
-    document.head.appendChild(style);
-})();