fix ae trnasform exporter to use directory without export helper

OP_export_to_ae.py

@@ -17,6 +17,8 @@ from bpy.props import (
     CollectionProperty,
 )
 
+from bpy.app.translations import pgettext_data as data_
+
 '''
 def Export_AE_2d_position_json_data():
     scn = bpy.context.scene
@@ -200,21 +202,36 @@ def export_ae_transforms(directory, selection=None, camera=None, exposition=True
     scn.render.simplify_subdivision = simplify_subdivision
 
 
-class GPEXP_OT_export_anim_to_ae(bpy.types.Operator, ExportHelper):
+## Export operator without export_helper
+class GPEXP_OT_export_anim_to_ae(bpy.types.Operator):
     bl_idname = "gp.export_anim_to_ae"
-    bl_label = "Export To After Effects"
-    bl_description = "Export the animation to after effect, object, greasepencil keys exposition, camera"
+    bl_label = "Export AE Files"
+    bl_description = "Export the animation to After Effects, 2D transform of objects, camera\
+        \nand/or exposition (including greasepencil frames)"
     bl_options = {"REGISTER"}
 
-    # filter_glob: StringProperty(default='*.txt;*.json;', options={'HIDDEN'})# *.jpeg;*.png;*.tif;*.tiff;*.bmp
-    filter_glob: StringProperty(default='*.*', options={'HIDDEN'})# *.jpeg;*.png;*.tif;*.tiff;*.bmp
+    # filter_glob: StringProperty(default='*.*', options={'HIDDEN'})# *.jpeg;*.png;*.tif;*.tiff;*.bmp
 
-    filename_ext = ''
+    # filename_ext = ''
 
-    filepath : StringProperty(
+    # filepath : StringProperty(
+    #     name="File Path",
+    #     description="File path used for export", 
+    #     maxlen= 1024)
+
+    ## Only need directory
+    directory : StringProperty(
         name="File Path",
         description="File path used for export", 
-        maxlen= 1024)
+        maxlen= 1024,
+        subtype='DIR_PATH'
+    )
+    prefix : StringProperty(
+        name="Prefix",
+        default='ae_',
+        description="Prefix name for exported txt and json files", 
+        maxlen= 1024,
+    )
 
     use_selection: BoolProperty(
         name="Selected Objects",
@@ -262,30 +279,38 @@ class GPEXP_OT_export_anim_to_ae(bpy.types.Operator, ExportHelper):
     )
     data_lang: EnumProperty(
         name="AE Language",
-        items=(('FR', "Français", ""),
-               ('EN', "Anglais", ""),
+        items=(('FR', "French", ""),
+               ('EN', "English", ""),
                ),
-        description="Language for the exported keyframe data (depend on After Effect language settings)",
+        description="Clipboard keyframe data language",
         default='FR',
     )
     file_format: EnumProperty(
-        name="File",
+        name="File Type",
         options={'ENUM_FLAG'},
         items=(('txt', "txt", ""),
                ('json', "json", ""),
                ),
-        description="File format to export (allow multiple at once)",
+        description="File format to export (possible to select multiple choices with Shift + Click)",
         default={'txt'},
     )
 
-    # def invoke(self, context, event):
-    #     if event.ctrl:
-    #         print('copy individual') # or separate operators
-    #
-    #         return {'FINISHED'}
-    #     return super().invoke(context, event)
+    def invoke(self, context, _event):
+        if not self.directory:
+            blend_filepath = context.blend_data.filepath
+            if blend_filepath:
+                dest_folder = Path(blend_filepath).parent
+                
+                ## If pre-enter a specific subfolder exists
+                ## (Commented, should be used with a project environment variable)
+                # output_folder = dest_folder / 'render'
+                # if output_folder.exists() and output_folder.is_dir():
+                #     dest_folder = output_folder
 
-    # prefix ? (ensure file is prefixed at export), but weird in the the context of an export field
+                self.directory = str(dest_folder)
+                
+        context.window_manager.fileselect_add(self)
+        return {'RUNNING_MODAL'}
 
     def draw(self, context):
         layout = self.layout
@@ -296,6 +321,7 @@ class GPEXP_OT_export_anim_to_ae(bpy.types.Operator, ExportHelper):
         is_file_browser = context.space_data.type == 'FILE_BROWSER'
 
         export_main(layout, self, is_file_browser)
+        export_panel_format(layout, self, is_file_browser)
         export_panel_include(layout, self, is_file_browser)
 
     def execute(self, context):
@@ -305,11 +331,11 @@ class GPEXP_OT_export_anim_to_ae(bpy.types.Operator, ExportHelper):
                              object_types=self.object_types
                              )
 
-        ## Find directory
-        output_path = Path(self.filepath)
+        ## Ensure output path is directory
+        output_path = Path(self.directory)
         if not output_path.is_dir():
             output_path = output_path.parent
-    
+
         print('Output directory: ', output_path)
         
         cam = None
@@ -328,7 +354,7 @@ class GPEXP_OT_export_anim_to_ae(bpy.types.Operator, ExportHelper):
                              selection=objects_selection,
                              camera=cam,
                              exposition=self.exposition,
-                             prefix='ae_',
+                             prefix=self.prefix,
                              fr=self.data_lang == 'FR',
                              export_format=self.file_format,
                              export_cam=self.use_active_camera)
@@ -343,13 +369,6 @@ def get_object_selection(use_selection=False, use_visible=False, use_active_coll
     source_collection = None
     if use_active_collection:
         source_collection = context.view_layer.active_layer_collection.collection
-    # elif collection:
-    #     local_collection = bpy.data.collections.get((collection, None))
-    #     if local_collection:
-    #         source_collection = local_collection
-    #     else:
-    #         operator.report({'ERROR'}, "Collection '%s' was not found" % collection)
-    #         return {'CANCELLED'}
 
     if source_collection:
         if use_selection:
@@ -383,15 +402,20 @@ def get_object_selection(use_selection=False, use_visible=False, use_active_coll
 def export_main(layout, operator, is_file_browser):
     col = layout.column()
     col.prop(operator, 'exposition')
-    # col.prop(operator, 'use_grease_pencil_keys')
-    # col.prop(operator, 'use_object_keys')
     col.prop(operator, 'use_active_camera')
+    # col.prop(operator, 'use_object_keys')
 
-    ## Format (language and file)
-    layout.prop(operator, 'data_lang', expand=True)
-    if is_file_browser:
-        layout.column().prop(operator, 'file_format')
+def export_panel_format(layout, operator, is_file_browser):
+    header, body = layout.panel("AE_export_format", default_closed=False)
+    header.label(text="Format")
+    if body:
+        col = body.column()
+        col.prop(operator, 'prefix')
+        ## Format (language and file)
 
+        col.row().prop(operator, 'data_lang', expand=True)
+        if is_file_browser:
+            col.column().prop(operator, 'file_format')
 
 def export_panel_include(layout, operator, is_file_browser):
     header, body = layout.panel("AE_export_include", default_closed=False)