def updateWidget(self):
""" updateWidget() -> None
Remove the current statisticsWidget (if existing) and create a new
one depending on the user specified source and view type.
"""
""" clean up """
if self.statisticsWidget!=None:
self.layout().removeWidget(self.statisticsWidget)
self.statisticsWidget.setParent(None)
del self.statisticsWidget
""" construct widget """
item=self.sourceComboBox.currentText()
if item=='Time':
self.statisticsWidget=QHistogramWidget(QTimeHistogramView(TimeDataSource()),self)
elif item=='Time Difference':
self.statisticsWidget=QHistogramWidget(QTimeHistogramView(TimeDiffDataSource()),self)
self.statisticsWidget.updateData()
self.layout().addWidget(self.statisticsWidget)
class QGeneralStatisticsPanel(QtGui.QFrame):
""" QGeneralStatisticsPanel implements the container to hold the
statistics view and controls to specify the source type and
the view type.
"""
def __init__(self,parent=None):
""" __init__(parent:QWidget) -> None
Create the GUI content.
"""
QtGui.QFrame.__init__(self,parent)
self.setFrameStyle(QtGui.QFrame.Panel|QtGui.QFrame.Sunken)
self.setLineWidth(2)
""" global layout """
layout=QtGui.QVBoxLayout(self)
layout.setMargin(3)
layout.setSpacing(3)
self.setLayout(layout)
""" spin box and layout """
comboLayout=QtGui.QHBoxLayout()
layout.addLayout(comboLayout)
comboLayout.setSpacing(3)
comboLayout.setMargin(0)
""" source combo box """
self.sourceComboBox=QtGui.QComboBox(self)
self.sourceComboBox.addItem('Time')
self.sourceComboBox.addItem('Time Difference')
self.connect(self.sourceComboBox,QtCore.SIGNAL('currentIndexChanged(int)'),self.updateWidget)
comboLayout.addWidget(QtGui.QLabel('Source'))
comboLayout.addWidget(self.sourceComboBox)
comboLayout.addStretch()
""" view type combo box """
self.typeComboBox=QtGui.QComboBox(self)
self.typeComboBox.addItem('Histogram')
self.connect(self.typeComboBox,QtCore.SIGNAL('currentIndexChanged(int)'),self.updateWidget)
comboLayout.addWidget(QtGui.QLabel('View'))
comboLayout.addWidget(self.typeComboBox)
""" statistics view """
self.counter=0
self.statisticsWidget=None
self.updateWidget()
def updateData(self):
""" updateData() -> None
Call updateData for the statistics widget.
"""
if self.statisticsWidget!=None:
self.statisticsWidget.updateData()
def updateWidget(self):
""" updateWidget() -> None
Remove the current statisticsWidget (if existing) and create a new
one depending on the user specified source and view type.
"""
""" clean up """
if self.statisticsWidget!=None:
self.layout().removeWidget(self.statisticsWidget)
self.statisticsWidget.setParent(None)
del self.statisticsWidget
""" construct widget """
item=self.sourceComboBox.currentText()
if item=='Time':
self.statisticsWidget=QHistogramWidget(QTimeHistogramView(TimeDataSource()),self)
elif item=='Time Difference':
self.statisticsWidget=QHistogramWidget(QTimeHistogramView(TimeDiffDataSource()),self)
self.statisticsWidget.updateData()
self.layout().addWidget(self.statisticsWidget)
