能用prusa切片和预览了，添加了缺失的翻译

Co-authored-by: Copilot <copilot@github.com>

app/utils/slice_engines/cura_engine.py

@@ -68,12 +68,17 @@ class CuraEngine:
                 preset_path = os.path.join(presets_path, 'creality', 'presets', quality_preset)
                 if os.path.exists(preset_path):
                     config.read(preset_path)
-                    material_type = config.get('metadata', 'material', fallback=None)
+                    material_type_from_preset = config.get('metadata', 'material', fallback=None)
                     variant_type = config.get('metadata', 'variant', fallback=None)
                     quality_type = config.get('metadata', 'quality_type', fallback=None)
                     
+                    # Use explicit material if provided, otherwise fallback to preset's material
+                    material_type = kwargs.get('material_preset') or material_type_from_preset
+                    
                     if material_type:
                         m_path = os.path.join(materials_path, f"{material_type}.inst.cfg")
+                        if not os.path.exists(m_path) and kwargs.get('material_preset'):
+                            m_path = os.path.join(materials_path, f"{kwargs.get('material_preset')}")
                         if os.path.exists(m_path): inst_files_list.append(m_path)
                     if variant_type:
                         variant_d = variant_type.split("mm")[0]
@@ -186,7 +191,7 @@ class CuraEngine:
                     os.remove(tmp_def_path)
                 except Exception as e:
                     app.logger.error(f"Failed to delete temp JSON config {tmp_def_path}: {e}")
-                    
+
     def get_quality_presets(self, app):
         try:
             path = os.path.join(app.root_path, '..', 'print_config', 'cura_engine', 'quality', 'creality', 'presets')
@@ -200,7 +205,7 @@ class CuraEngine:
         except:
             return []
 
-    def get_support_patterns(self):
+    def get_support_patterns(self, app):
         return [
             {'id': 'tree', 'name': 'Tree'},
             {'id': 'lines', 'name': 'Lines'},
@@ -213,3 +218,16 @@ class CuraEngine:
             {'id': 'honeycomb', 'name': 'Honeycomb'},
             {'id': 'octagon', 'name': 'Octagon'}
         ]
+
+    def get_materials(self, app):
+        try:
+            path = os.path.join(app.root_path, '..', 'print_config', 'cura_engine', 'materials')
+            if not os.path.exists(path): return []
+            files = [f for f in os.listdir(path) if f.endswith('.inst.cfg')]
+            materials = []
+            for f in files:
+                materials.append({'id': f, 'name': f.replace('.inst.cfg', '').replace('generic_', 'Generic ').replace('_', ' ').title()})
+            materials.sort(key=lambda x: x['name'])
+            return materials
+        except:
+            return []

app/utils/slice_engines/prusa_slicer_engine.py

@@ -30,10 +30,21 @@ class PrusaSlicerEngine:
             # Map quality, infill, supports to PrusaSlicer CLI arguments.
             # Example defaults, normally these would load from an .ini or be dynamically matched.
             quality_preset = kwargs.get('quality_preset')
+            material_preset = kwargs.get('material_preset')
             infill_density = kwargs.get('infill_density')
             support_enable = kwargs.get('support_enable')
             support_pattern = kwargs.get('support_pattern')
             
+            if quality_preset:
+                q_ini = os.path.join(app.root_path, '..', 'print_config', 'prusa_slicer', 'quality', f"{quality_preset}.ini")
+                if os.path.exists(q_ini):
+                    command.extend(['--load', q_ini])
+
+            if material_preset:
+                m_ini = os.path.join(app.root_path, '..', 'print_config', 'prusa_slicer', 'materials', f"{material_preset}.ini")
+                if os.path.exists(m_ini):
+                    command.extend(['--load', m_ini])
+            
             if infill_density is not None:
                 command.extend(["--fill-density", f"{infill_density}%"])
                 
@@ -80,10 +91,29 @@ class PrusaSlicerEngine:
                     })
         return quality_presets
 
-    def get_support_patterns(self):
-        return [
-            {'id': 'rectilinear', 'name': 'Rectilinear'},
-            {'id': 'grid', 'name': 'Grid'},
-            {'id': 'organic', 'name': 'Organic (Tree)'},
-            {'id': 'snug', 'name': 'Snug'}
-        ]
+    def get_support_patterns(self, app):
+        all_files = [f for f in os.listdir(os.path.join(app.root_path, '..', 'print_config', 'prusa_slicer',"supports")) if f.endswith('.ini')]
+        support_presets = []
+        for file in all_files:
+            with open(os.path.join(app.root_path, '..', 'print_config', 'prusa_slicer', "supports", file), 'r') as f:
+                config = configparser.ConfigParser()
+                config.read_file(f)
+                if 'metadata' in config:
+                    support_presets.append({
+                        'id': file.replace('.ini', ''),
+                        'name': config['metadata'].get('show_name', file.replace('.ini', '').replace('_', ' '))
+                    })
+        return support_presets
+
+    def get_materials(self, app):
+        try:
+            path = os.path.join(app.root_path, '..', 'print_config', 'prusa_slicer', 'materials')
+            if not os.path.exists(path): return []
+            files = [f for f in os.listdir(path) if f.endswith('.ini')]
+            materials = []
+            for f in files:
+                materials.append({'id': f.replace('.ini', ''), 'name': f.replace('.ini', '').replace('_', ' ')})
+            materials.sort(key=lambda x: x['name'])
+            return materials
+        except:
+            return []