blender/release/scripts/startup/bl_ui/utils.py

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#
#  This program 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 2
#  of the License, or (at your option) any later version.
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#  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.
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#  along with this program; if not, write to the Free Software Foundation,
#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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# ##### END GPL LICENSE BLOCK #####

# <pep8 compliant>

from bpy.types import Menu


# Panel mix-in class (don't register).
class PresetPanel:
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'HEADER'
    bl_label = "Presets"
    path_menu = Menu.path_menu

    @classmethod
    def draw_panel_header(cls, layout):
        layout.emboss = 'NONE'
        layout.popover(
            panel=cls.__name__,
            icon='PRESET',
            text="",
        )

    @classmethod
    def draw_menu(cls, layout, text=None):
        if text is None:
            text = cls.bl_label

        layout.popover(
            panel=cls.__name__,
            icon='PRESET',
            text=text,
        )

    def draw(self, context):
        layout = self.layout
        layout.emboss = 'PULLDOWN_MENU'
        layout.operator_context = 'EXEC_DEFAULT'

        Menu.draw_preset(self, context)