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immutable_preset_info_handler.py
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2 # This file is part of the OpenStructure project <www.openstructure.org>
3 #
4 # Copyright (C) 2008-2011 by the OpenStructure authors
5 #
6 # This library is free software; you can redistribute it and/or modify it under
7 # the terms of the GNU Lesser General Public License as published by the Free
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12 # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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18 #------------------------------------------------------------------------------
19 # -*- coding: utf-8 -*-
20 
21 from ost import gui
22 from ost import gfx
23 from ost import info
24 from PyQt4 import QtCore, QtGui
25 from ost.gui.scene.preset import Preset
26 
27 #Gradient Editor
29  PRESETS_GROUP_NAME = "Presets"
30  PRESET_GROUP_NAME = "Preset"
31  NAME_ATTRIBUTE_NAME = "Name"
32 
33  def __init__(self, file_name):
34  self.file_name_ = file_name
35  self.handle_ = info.LoadOrCreateInfo(self.file_name_)
36 
37  self.root_ = self.handle_.Root()
38 
39  self.presets_ = self.root_.RetrieveGroup(ImmutablePresetInfoHandler.PRESETS_GROUP_NAME)
40 
41 
42  def GetPreset(self, name):
43  group_list = self.presets_.GetGroups(ImmutablePresetInfoHandler.PRESET_GROUP_NAME)
44  for group in group_list:
45  if group.HasAttribute(ImmutablePresetInfoHandler.NAME_ATTRIBUTE_NAME):
46  groupname = group.GetAttribute(ImmutablePresetInfoHandler.NAME_ATTRIBUTE_NAME)
47  if name == groupname:
48  preset = Preset.FromInfo(group)
49  return preset
50  return None
51 
52  def GetPresets(self):
53  group_list = self.presets_.GetGroups(ImmutablePresetInfoHandler.PRESET_GROUP_NAME)
54  presets = dict()
55 
56  for group in group_list:
57  if group.HasAttribute(ImmutablePresetInfoHandler.NAME_ATTRIBUTE_NAME):
58  preset = Preset.FromInfo(group)
59  presets[group.GetAttribute(self.NAME_ATTRIBUTE_NAME)] = preset
60  return presets