treenode_item_model.py
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33 # Author: Isaac Saito
34 
35 from __future__ import division
36 
37 from python_qt_binding.QtGui import QStandardItemModel
38 
39 from . import logging
40 
41 
42 class TreenodeItemModel(QStandardItemModel):
43  """
44  This class is made only for this purpose; to hold QStandardItem instances
45  associated with QModelIndex. QStandardItemModel has methods to return it
46  by index called itemFromIndex, but in some cases the method doesn't work
47  for unknown reasons. Ref. question asked:
48  http://stackoverflow.com/questions/14646979/strange-index-values-from-qstandarditemmodel
49 
50  :author: Isaac Saito
51  """
52 
53  def __init__(self, parent=None):
54  super(TreenodeItemModel, self).__init__(parent)
55  self._parent = parent
56 
57  self._indexes = {} # { str : QPersistentModelIndex }
58 
59  def get_index_from_grn(self, grn):
60  """
61 
62  :type grn: str
63  :rtype: QPersistentModelIndex. None if the corresponding item isn't
64  found.
65  """
66  logging.debug('get_index_from_grn all item={}'.format(self._indexes))
67  return self._indexes.get(grn)
68 
69  def set_item_from_index(self, grn, qpindex):
70  """
71  :type grn: str
72  :type qpindex: QPersistentModelIndex
73  """
74  logging.debug('set_item_from_index grn={} qpindex={}'.format(
75  grn, qpindex
76  ))
77  self._indexes[grn] = qpindex


rqt_reconfigure
Author(s): Isaac Saito, Ze'ev Klapow
autogenerated on Wed Jul 10 2019 04:02:40