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#!/usr/bin/python
import unittest
from helper import UsesQApplication
from testbinding import TestView
from PySide.QtCore import Qt
from PySide.QtGui import QAbstractItemDelegate, QComboBox
id_text = 'This is me'
class DelegateDoesntKeepReferenceToEditor(QAbstractItemDelegate):
def createEditor(self, parent, option, index):
comboBox = QComboBox(parent)
comboBox.addItem(id_text)
return comboBox
class DelegateKeepsReferenceToEditor(QAbstractItemDelegate):
def __init__(self, parent=None):
QAbstractItemDelegate.__init__(self, parent)
self.comboBox = QComboBox()
self.comboBox.addItem(id_text)
def createEditor(self, parent, option, index):
self.comboBox.setParent(parent)
return self.comboBox
class EditorCreatedByDelegateTest(UsesQApplication):
def testDelegateDoesntKeepReferenceToEditor(self):
view = TestView(None)
delegate = DelegateDoesntKeepReferenceToEditor()
view.setItemDelegate(delegate)
editor = view.getEditorWidgetFromItemDelegate()
self.assertEqual(type(editor), QComboBox)
self.assertEqual(editor.count(), 1)
self.assertEqual(editor.itemData(0, Qt.DisplayRole), id_text)
editor.metaObject()
def testDelegateKeepsReferenceToEditor(self):
view = TestView(None)
delegate = DelegateKeepsReferenceToEditor()
view.setItemDelegate(delegate)
editor = view.getEditorWidgetFromItemDelegate()
self.assertEqual(type(editor), QComboBox)
self.assertEqual(editor.count(), 1)
self.assertEqual(editor.itemData(0, Qt.DisplayRole), id_text)
editor.metaObject()
if __name__ == '__main__':
unittest.main()
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