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gradient_info_handler.py
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1 #------------------------------------------------------------------------------
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
8 # Software Foundation; either version 3.0 of the License, or (at your option)
9 # any later version.
10 # This library is distributed in the hope that it will be useful, but WITHOUT
11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
13 # details.
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17 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 #------------------------------------------------------------------------------
19 # -*- coding: utf-8 -*-
20 
21 from ost import gui
22 from ost import gfx
23 from ost import info
24 from PyQt5 import QtCore
25 from immutable_gradient_info_handler import ImmutableGradientInfoHandler
26 
27 #Gradient Info Handler
28 class GradientInfoHandler(ImmutableGradientInfoHandler):
29  def __init__(self, fileName):
30  ImmutableGradientInfoHandler.__init__(self, fileName)
31 
32  def StoreQGradient(self,gradient,name):
33  group = self.gradients_.CreateGroup(self.GRADIENT_GROUP_NAME)
34  group.SetAttribute(self.NAME_ATTRIBUTE_NAME, name)
35  gfx_gradient = self.ConvertToGfxGradient(gradient)
36 
37  gfx_gradient.GradientToInfo(group)
38  self.handle_.Export(self.FILE_NAME)
39 
40  def RemoveGradient(self, name):
41  group_list = self.gradients_.GetGroups(self.GRADIENT_GROUP_NAME)
42  for group in group_list:
43  if group.HasAttribute(self.NAME_ATTRIBUTE_NAME):
44  groupname = group.GetAttribute(self.NAME_ATTRIBUTE_NAME)
45  if name == groupname:
46  groupToDel = group
47  break
48 
49  if groupToDel != None:
50  self.gradients_.Remove(groupToDel)
51  self.handle_.Export(self.FILE_NAME)
52 
53  def RenameGradient(self, old, new):
54  group_list = self.gradients_.GetGroups(self.GRADIENT_GROUP_NAME)
55  for group in group_list:
56  if group.HasAttribute(self.NAME_ATTRIBUTE_NAME):
57  groupname = group.GetAttribute(self.NAME_ATTRIBUTE_NAME)
58  if old == groupname:
59  group.SetAttribute(self.NAME_ATTRIBUTE_NAME, new)
60  self.handle_.Export(self.FILE_NAME)