export dialog example with and without helper

snippets/bpy/export_helper_dialog.py

@@ -0,0 +1,78 @@
+## Operator disalog with or without Export helper class
+
+class MYADDON_OT_export_things(bpy.types.Operator, ExportHelper):
+    bl_idname = "myaddon.export_things"
+    bl_label = "Export Things"
+    bl_description = "Export the things"
+    bl_options = {"REGISTER"}
+
+    # filter_glob: bpy.props.StringProperty(default='*.txt;*.json;', options={'HIDDEN'})# *.jpeg;*.png;*.tif;*.tiff;*.bmp
+    filter_glob: bpy.props.StringProperty(default='*.*', options={'HIDDEN'})
+
+    filename_ext = ''
+
+    filepath : bpy.props.StringProperty(
+        name="File Path",
+        description="File path used for export", 
+        maxlen= 1024)
+
+    all_objects : bpy.props.BoolProperty(
+        name='All Objects',
+        default=False,
+        description='Use all objects to export things')
+
+    ## Possible to do things in invoke while keeping invoke from export helper
+    # def invoke(self, context, event):
+    #     if event.ctrl:
+    #         print('copy individual') # or separate operators
+    #
+    #         return {'FINISHED'}
+    #     return super().invoke(context, event)
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+        layout.use_property_decorate = False  # No animation.
+
+        # Are we inside the File browser
+        is_file_browser = context.space_data.type == 'FILE_BROWSER'
+
+        layout.prop(self, 'all_objects')
+
+    def execute(self, context):
+        # Export the thing
+        if self.all_objects:
+            # Or export all the thing
+            pass
+
+        self.report({'INFO'}, f'File saved at: {self.filepath}')
+        return {"FINISHED"}
+
+
+## Export to a Directory (use with your own draw and execute function)
+from pathlib import Path
+
+class MYADDON_OT_export_things_in_directory(bpy.types.Operator):
+    bl_idname = "myaddon.export_things_in_directory"
+    bl_label = "Export In Directory"
+    bl_description = "Export the things"
+    bl_options = {"REGISTER"}
+
+    directory : StringProperty(
+        name="File Path",
+        description="File path used for export", 
+        maxlen= 1024,
+        subtype='DIR_PATH'
+    )
+
+    ## Create similar invoke to export helper (in file "scripts/modules/bpy_extras/io_utils.py")
+    ## /!\ No check method implemented here
+    def invoke(self, context, _event):
+        if not self.directory:
+            blend_filepath = context.blend_data.filepath
+            if blend_filepath:
+                dest_folder = Path(blend_filepath).parent
+                self.directory = str(dest_folder)
+
+        context.window_manager.fileselect_add(self)
+        return {'RUNNING_MODAL'}