Package Camelot :: Package camelot :: Package view :: Package controls :: Package delegates :: Module enumerationdelegate
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Source Code for Module Camelot.camelot.view.controls.delegates.enumerationdelegate

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 3  #  Copyright (C) 2007-2008 Conceptive Engineering bvba. All rights reserved. 
 4  #  www.conceptive.be / project-camelot@conceptive.be 
 5  # 
 6  #  This file is part of the Camelot Library. 
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26  #  ============================================================================ 
27   
28  from customdelegate import CustomDelegate, DocumentationMetaclass 
29  from PyQt4 import QtGui, QtCore 
30  from PyQt4.QtGui import QComboBox, QItemDelegate 
31  from PyQt4.QtCore import QVariant, QString, Qt 
32   
33  from camelot.view.controls import editors 
34  from camelot.core.utils import variant_to_pyobject 
35  from camelot.view.proxy import ValueLoading 
36   
37 -class EnumerationDelegate(CustomDelegate):
38 """Contrary to the comboboxdelegate, the enumeration delegate does not support dynamic 39 choices""" 40 41 __metaclass__ = DocumentationMetaclass 42 editor = editors.ChoicesEditor 43
44 - def __init__(self, parent=None, choices=[], editable=True, **kwargs):
45 CustomDelegate.__init__(self, parent, editable=editable, **kwargs) 46 self.choices = choices 47 self._choices_dict = dict(choices)
48
49 - def createEditor(self, parent, option, index):
50 editor = super(EnumerationDelegate, self).createEditor(parent, option, index) 51 editor.set_choices(self.choices) 52 return editor
53
54 - def paint(self, painter, option, index):
55 value = variant_to_pyobject(index.data(Qt.EditRole)) 56 if value in (None, ValueLoading): 57 value = '' 58 painter.save() 59 self.paint_text(painter, option, index, unicode(self._choices_dict.get(value, '...'))) 60 painter.restore()
61