__init__.py

'''
Copyright (C) 2021-2022 Orange Turbine
https://orangeturbine.com
orangeturbine@cgcookie.com

Created by Jason van Gumster

    This file is part of Export to .blend.

    Export to .blend is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 3
    of the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, see <https://www.gnu.org/licenses/>.

'''


bl_info = {
    "name": "Export .blend",
    "author": "Jason van Gumster (Fweeb)",
    "version": (1, 2),
    "blender": (2, 83, 0),
    "location": "File > Export > Blender (.blend)/Outliner > Context Menu > Export to .blend",
    "description": "Exports all or some datablocks to a separate .blend file",
    "warning": "",
    "doc_url": "https://github.com/CGCookie/io_export_blend",
    "tracker_url": "https://github.com/CGCookie/io_export_blend/issues",
    "category": "Import-Export",
}


import bpy
from bpy.types import AddonPreferences
from bpy.props import StringProperty, BoolProperty

# Local imports
from .exporters import ExportBlenderObjects, ExportBlenderCollection, ExportBlenderNodes
from .utilities import get_default_path


# Preferences
class export_blend_preferences(AddonPreferences):
    bl_idname = __name__

    # General Defaults
    filepath: StringProperty(
        name = 'File Path',
        description = 'Where the export will be saved by default. Use // at the beginning to make it relative to the current blend file',
        subtype="DIR_PATH",
        default =  get_default_path()
    )
    mark_asset: BoolProperty(
        name="Mark as Asset",
        description="Mark selected objects as assets for visibility in the Asset Browser",
        default=False
    )
    backlink: BoolProperty(
        name="Backlink",
        description="Replace selection with a link to the exported object",
        default=False
    )

    # Object Defaults
    export_as_collection: BoolProperty(
        name="Export as Collection",
        description="Bundle selected objects in a collection before exporting",
        default=False
    )

    # Node Defaults
    export_as_group: BoolProperty(
        name="Export as Node Group",
        description="Bundle selected objects in a node group before exporting",
        default=False
    )

    def draw(self, context):
        layout = self.layout
        layout.prop(self, 'filepath')
        general_prefs = layout.column(heading='General Defaults:')
        if bpy.app.version > (2, 93, 0):
          general_prefs.prop(self, 'mark_asset')
        general_prefs.prop(self, 'backlink')
        obj_prefs = layout.column(heading='Object Defaults:')
        obj_prefs.prop(self, 'export_as_collection')
        node_prefs = layout.column(heading='Node Defaults:')
        node_prefs.prop(self, 'export_as_group')


# Preferences
class export_blend_preferences(AddonPreferences):
    bl_idname = __name__

    # General Defaults
    filepath: StringProperty(
        name = 'File Path',
        description = 'Where the export will be saved by default. Use // at the beginning to make it relative to the current blend file',
        default = "//assets/"
    )
    mark_asset: BoolProperty(
        name="Mark as Asset",
        description="Mark selected objects as assets for visibility in the Asset Browser",
        default=False
    )
    backlink: BoolProperty(
        name="Backlink",
        description="Replace selection with a link to the exported object",
        default=False
    )

    # Object Defaults
    export_as_collection: BoolProperty(
        name="Export as Collection",
        description="Bundle selected objects in a collection before exporting",
        default=False
    )

    # Node Defaults
    export_as_group: BoolProperty(
        name="Export as Node Group",
        description="Bundle selected objects in a node group before exporting",
        default=False
    )

    def draw(self, context):
        layout = self.layout
        layout.prop(self, 'filepath')
        general_prefs = layout.column(heading='General Defaults:')
        if bpy.app.version > (2, 93, 0):
          general_prefs.prop(self, 'mark_asset')
        general_prefs.prop(self, 'backlink')
        obj_prefs = layout.column(heading='Object Defaults:')
        obj_prefs.prop(self, 'export_as_collection')
        node_prefs = layout.column(heading='Node Defaults:')
        node_prefs.prop(self, 'export_as_group')


# UI
def menu_func_export(self, context):
    if self.bl_label == "Export":
        self.layout.operator(ExportBlenderObjects.bl_idname, text="Blender (.blend)")
    elif self.bl_label == "Collection":
        if len(context.selected_ids) == 1 and isinstance(context.selected_ids[0], bpy.types.Collection):
            self.layout.operator_context = "INVOKE_DEFAULT"
            self.layout.operator(ExportBlenderCollection.bl_idname, text="Export to .blend")
    elif self.bl_label == "Object":
        self.layout.operator_context = "INVOKE_DEFAULT"
        self.layout.operator(ExportBlenderObjects.bl_idname, text="Export to .blend")


def menu_func_export_nodes(self, context):
    self.layout.operator_context = "INVOKE_DEFAULT"
    #XXX Disabling for Compositor nodes until bugfix for T88402
    if context.active_node.id_data.type != 'COMPOSITING':
        op = self.layout.operator(ExportBlenderNodes.bl_idname, text="Export to .blend")
    #if context.active_node.id_data.type == 'COMPOSITING':
    #    op.is_compositor = True


def register():
    bpy.utils.register_class(export_blend_preferences)
    bpy.utils.register_class(ExportBlenderObjects)
    bpy.utils.register_class(ExportBlenderCollection)
    bpy.utils.register_class(ExportBlenderNodes)
    bpy.types.TOPBAR_MT_file_export.append(menu_func_export)
    bpy.types.OUTLINER_MT_object.append(menu_func_export)
    bpy.types.OUTLINER_MT_collection.append(menu_func_export)
    bpy.types.NODE_MT_node.append(menu_func_export_nodes)


def unregister():
    bpy.utils.unregister_class(export_blend_preferences)
    bpy.utils.unregister_class(ExportBlenderObjects)
    bpy.utils.unregister_class(ExportBlenderCollection)
    bpy.utils.unregister_class(ExportBlenderNodes)
    bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
    bpy.types.OUTLINER_MT_object.remove(menu_func_export)
    bpy.types.OUTLINER_MT_collection.remove(menu_func_export)
    bpy.types.NODE_MT_node.remove(menu_func_export_nodes)


if __name__ == "__main__":
    register()

    # test call
    bpy.ops.export_scene.blend('INVOKE_DEFAULT')