def __init__(self, parent=None):
""" QVersionTab(parent: QWidget) -> QVersionTab
Make it a main window with dockable area and a
QVersionTreeView in the middle
"""
QDockContainer.__init__(self, parent)
self.setWindowTitle('Version Tree')
self.versionView = QVersionTreeView()
self.setCentralWidget(self.versionView)
self.toolWindow().setFeatures(QtGui.QDockWidget.NoDockWidgetFeatures)
self.toolWindow().hide()
self.versionProp = QVersionProp(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.versionProp.toolWindow())
self.controller = None
self.connect(self.toolWindow(), QtCore.SIGNAL('topLevelChanged(bool)'),
self.updateWindowTitle)
self.connect(self.versionView.scene(),
QtCore.SIGNAL('twoVersionsSelected(int,int)'),
self.twoVersionsSelected)
self.connect(self.versionView, QtCore.SIGNAL('resetQuery()'),
self.resetQuery)
