class GraphDelegate(QtGui.QItemDelegate):
def __init__(self, parent=None):
QtGui.QItemDelegate.__init__(self,parent)
self.mTimeData = [i for i in xrange(HISTORY)]
self.mCurve = Curve()
self.mCurve.setColor(QtCore.Qt.blue)
self.mCurve.setStyle(Curve.LINES)
self.mXMap = Scale()
self.mYMap = Scale()
self.mXMap.setScaleInterval(0, HISTORY)
self.mYMap.setScaleInterval(0, 100)
def paint(self, painter, option, index):
# If we are painting the first column, use default paint method.
if index.column() == 0:
QtGui.QItemDelegate.paint(self, painter, option, index)
else:
# Get data out of the model for the curves.
data = index.model().data(index)
self.mCurve.setData(self.mTimeData, data)
# Solid background
#background_color = QtGui.QColor(QtCore.Qt.black)
#brush = QtGui.QBrush(background_color)
# Simple gradiant
linear_gradient = QtGui.QLinearGradient(0, 0, 0, option.rect.bottom())
linear_gradient.setColorAt(0.0, QtCore.Qt.white)
linear_gradient.setColorAt(1.0, QtCore.Qt.gray)
brush = QtGui.QBrush(linear_gradient)
painter.fillRect(option.rect, brush)
# Set the intervals so the curves know how to draw themselves.
self.mXMap.setScaleInterval(0, len(data))
self.mXMap.setPaintInterval(option.rect.left(), option.rect.right())
self.mYMap.setPaintInterval(0.0, option.rect.bottom()-option.rect.top())
# Paint the curves.
painter.save()
painter.setClipRect(option.rect)
painter.translate(0, option.rect.bottom())
painter.scale(1.0, -1.0)
self.mCurve.draw(painter, self.mXMap, self.mYMap)
painter.restore()
# Draw a frame around cell if it is selected.
if (option.showDecorationSelected and (option.state & QtGui.QStyle.State_Selected)):
QtGui.qDrawPlainRect(painter, option.rect, option.palette.highlight().color(), 1)
# Draw the percentage as text.
#text_width = max(option.fontMetrics.width(''), option.fontMetrics.width("100%")) + 6;
overlay_text = ("%.2f " % data[-1]) + "%"
style = QtGui.QApplication.style()
align_flags = QtCore.Qt.AlignHorizontal_Mask | QtCore.Qt.TextSingleLine
style.drawItemText(painter, option.rect, align_flags, option.palette, True, overlay_text)
def __init__(self, parent=None):
QtGui.QItemDelegate.__init__(self, parent)
self.mTimeData = [i for i in xrange(HISTORY)]
self.mCurve = Curve()
self.mCurve.setColor(QtCore.Qt.blue)
self.mCurve.setStyle(Curve.LINES)
self.mXMap = Scale()
self.mYMap = Scale()
self.mXMap.setScaleInterval(0, HISTORY)
self.mYMap.setScaleInterval(0, 100)
def __init__(self, parent=None):
QtGui.QItemDelegate.__init__(self,parent)
self.mTimeData = [i for i in xrange(HISTORY)]
self.mCurve = Curve()
self.mCurve.setColor(QtCore.Qt.blue)
self.mCurve.setStyle(Curve.LINES)
self.mXMap = Scale()
self.mYMap = Scale()
self.mXMap.setScaleInterval(0, HISTORY)
self.mYMap.setScaleInterval(0, 100)
class GraphDelegate(QtGui.QItemDelegate):
def __init__(self, parent=None):
QtGui.QItemDelegate.__init__(self, parent)
self.mTimeData = [i for i in xrange(HISTORY)]
self.mCurve = Curve()
self.mCurve.setColor(QtCore.Qt.blue)
self.mCurve.setStyle(Curve.LINES)
self.mXMap = Scale()
self.mYMap = Scale()
self.mXMap.setScaleInterval(0, HISTORY)
self.mYMap.setScaleInterval(0, 100)
def paint(self, painter, option, index):
# If we are painting the first column, use default paint method.
if index.column() == 0:
QtGui.QItemDelegate.paint(self, painter, option, index)
else:
# Get data out of the model for the curves.
data = index.model().data(index)
self.mCurve.setData(self.mTimeData, data)
# Solid background
#background_color = QtGui.QColor(QtCore.Qt.black)
#brush = QtGui.QBrush(background_color)
# Simple gradiant
linear_gradient = QtGui.QLinearGradient(0, 0, 0,
option.rect.bottom())
linear_gradient.setColorAt(0.0, QtCore.Qt.white)
linear_gradient.setColorAt(1.0, QtCore.Qt.gray)
brush = QtGui.QBrush(linear_gradient)
painter.fillRect(option.rect, brush)
# Set the intervals so the curves know how to draw themselves.
self.mXMap.setScaleInterval(0, len(data))
self.mXMap.setPaintInterval(option.rect.left(),
option.rect.right())
self.mYMap.setPaintInterval(
0.0,
option.rect.bottom() - option.rect.top())
# Paint the curves.
painter.save()
painter.setClipRect(option.rect)
painter.translate(0, option.rect.bottom())
painter.scale(1.0, -1.0)
self.mCurve.draw(painter, self.mXMap, self.mYMap)
painter.restore()
# Draw a frame around cell if it is selected.
if (option.showDecorationSelected
and (option.state & QtGui.QStyle.State_Selected)):
QtGui.qDrawPlainRect(painter, option.rect,
option.palette.highlight().color(), 1)
# Draw the percentage as text.
#text_width = max(option.fontMetrics.width(''), option.fontMetrics.width("100%")) + 6;
overlay_text = ("%.2f " % data[-1]) + "%"
style = QtGui.QApplication.style()
align_flags = QtCore.Qt.AlignHorizontal_Mask | QtCore.Qt.TextSingleLine
style.drawItemText(painter, option.rect, align_flags,
option.palette, True, overlay_text)
