immutable_preset_info_handler.py

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#------------------------------------------------------------------------------
# This file is part of the OpenStructure project <www.openstructure.org>
#
# Copyright (C) 2008-2020 by the OpenStructure authors
#
# This library is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 3.0 of the License, or (at your option)
# any later version.
# This library 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
#------------------------------------------------------------------------------
# -*- coding: utf-8 -*-
 
from ost import gui
from ost import gfx
from ost import info
from ost.gui.scene.preset import Preset
 
#Gradient Editor
class ImmutablePresetInfoHandler:
  PRESETS_GROUP_NAME = "Presets"
  PRESET_GROUP_NAME = "Preset"
  NAME_ATTRIBUTE_NAME = "Name"
  
  def __init__(self, file_name):
    self.file_name_file_name_ = file_name
    self.handle_handle_ = info.LoadOrCreateInfo(self.file_name_file_name_)
    
    self.root_root_ = self.handle_handle_.Root()
    
    self.presets_presets_ = self.root_root_.RetrieveGroup(ImmutablePresetInfoHandler.PRESETS_GROUP_NAME)
 
    
  def GetPreset(self, name):
    group_list = self.presets_presets_.GetGroups(ImmutablePresetInfoHandler.PRESET_GROUP_NAME)
    for group in group_list:
      if group.HasAttribute(ImmutablePresetInfoHandler.NAME_ATTRIBUTE_NAME):
        groupname = group.GetAttribute(ImmutablePresetInfoHandler.NAME_ATTRIBUTE_NAME)
        if name == groupname:
          preset = Preset.FromInfo(group)
          return preset
    return None
  
  def GetPresets(self):
    group_list = self.presets_presets_.GetGroups(ImmutablePresetInfoHandler.PRESET_GROUP_NAME)
    presets = dict()
    
    for group in group_list:
      if group.HasAttribute(ImmutablePresetInfoHandler.NAME_ATTRIBUTE_NAME):
        preset = Preset.FromInfo(group)
        presets[group.GetAttribute(self.NAME_ATTRIBUTE_NAMENAME_ATTRIBUTE_NAME)] = preset
    return presets