def drawItem(self, item, painter, option):
"""
Draws the inputed item as a bar graph.
:param item | <XChartDatasetItem>
painter | <QPainter>
option | <QStyleOptionGraphicsItem>
"""
dataset = item.dataset()
painter.save()
painter.setRenderHint(painter.Antialiasing)
pen = QPen(dataset.color())
pen.setWidth(3)
painter.setPen(pen)
painter.setBrush(Qt.NoBrush)
painter.drawPath(item.path())
if self.showPoints():
palette = QApplication.palette()
pen = QPen(palette.color(palette.Base))
pen.setWidth(2)
painter.setBrush(dataset.color())
painter.setPen(pen)
for point in item.buildData('ellipses', []):
painter.drawEllipse(point,
self.pointRadius(),
self.pointRadius())
painter.restore()
def __init__(self, pixmap):
super(XImageItem, self).__init__()
# define the mirror instance
self._basePixmap = pixmap
# set the pixmap
palette = QApplication.palette()
color = palette.color(palette.Highlight)
effect = XGraphicsDropShadowEffect()
effect.setOffset(0)
effect.setBlurRadius(6)
effect.setColor(color)
self.setGraphicsEffect(effect)
self.graphicsEffect().setEnabled(False)
self.setFlags(self.ItemIsSelectable)
def __init__(self, pixmap):
super(XImageItem, self).__init__()
# define the mirror instance
self._basePixmap = pixmap
# set the pixmap
palette = QApplication.palette()
color = palette.color(palette.Highlight)
effect = XGraphicsDropShadowEffect()
effect.setOffset(0)
effect.setBlurRadius(6)
effect.setColor(color)
self.setGraphicsEffect(effect)
self.graphicsEffect().setEnabled(False)
self.setFlags(self.ItemIsSelectable)
def __init__(self):
# define custom properties
palette = QApplication.palette()
self._name = 'Default'
self._axisColor = palette.color(palette.Mid).darker(125)
self._alternateColor = palette.color(palette.Base).darker(104)
self._baseColor = palette.color(palette.Base)
self._borderColor = palette.color(palette.Mid)
self._showGrid = True
self._showRows = True
self._showColumns = True
self._showXAxis = True
self._showYAxis = True
self._verticalLabelPadding = 4
self._horizontalLabelPadding = 4
self._alternatingRowColors = True
self._alternatingColumnColors = False
self._buildData = {}
def __init__(self):
# define custom properties
palette = QApplication.palette()
self._name = 'Default'
self._axisColor = palette.color(palette.Mid).darker(125)
self._alternateColor = palette.color(palette.Base).darker(104)
self._baseColor = palette.color(palette.Base)
self._borderColor = palette.color(palette.Mid)
self._showGrid = True
self._showRows = True
self._showColumns = True
self._showXAxis = True
self._showYAxis = True
self._verticalLabelPadding = 4
self._horizontalLabelPadding = 4
self._alternatingRowColors = True
self._alternatingColumnColors = False
self._buildData = {}
def __init__(self, chartWidget):
super(XChartScene, self).__init__(chartWidget)
# create custom properties
self._chartWidget = chartWidget
self._minimumWidth = -1
self._minimumHeight = -1
self._maximumWidth = -1
self._maximumHeight = -1
self._horizontalPadding = 6
self._verticalPadding = 6
self._showGrid = True
self._showRows = True
self._showColumns = True
self._trackingEnabled = True
self._chartType = XChartScene.Type.Line
self._trackerItem = None
# used with pie charts
self._pieAxis = Qt.YAxis
self._pieAlignment = Qt.AlignCenter
self._horizontalRuler = XChartRuler(XChartRuler.Type.Number)
self._verticalRuler = XChartRuler(XChartRuler.Type.Number)
self._font = QApplication.font()
self._alternatingColumnColors = False
self._alternatingRowColors = True
self._dirty = False
self._buildData = {}
palette = QApplication.palette()
self._axisColor = palette.color(palette.Mid).darker(125)
self._baseColor = palette.color(palette.Base)
self._alternateColor = palette.color(palette.Base).darker(104)
self._borderColor = palette.color(palette.Mid)
# create custom properties
chartWidget.installEventFilter(self)
self.chartTypeChanged.connect(self.update)
def __init__( self, chartWidget ):
super(XChartScene, self).__init__(chartWidget)
# create custom properties
self._chartWidget = chartWidget
self._minimumWidth = -1
self._minimumHeight = -1
self._maximumWidth = -1
self._maximumHeight = -1
self._horizontalPadding = 6
self._verticalPadding = 6
self._showGrid = True
self._showRows = True
self._showColumns = True
self._trackingEnabled = True
self._chartType = XChartScene.Type.Line
self._trackerItem = None
# used with pie charts
self._pieAxis = Qt.YAxis
self._pieAlignment = Qt.AlignCenter
self._horizontalRuler = XChartRuler(XChartRuler.Type.Number)
self._verticalRuler = XChartRuler(XChartRuler.Type.Number)
self._font = QApplication.font()
self._alternatingColumnColors = False
self._alternatingRowColors = True
self._dirty = False
self._buildData = {}
palette = QApplication.palette()
self._axisColor = palette.color(palette.Mid).darker(125)
self._baseColor = palette.color(palette.Base)
self._alternateColor = palette.color(palette.Base).darker(104)
self._borderColor = palette.color(palette.Mid)
# create custom properties
chartWidget.installEventFilter(self)
self.chartTypeChanged.connect(self.update)
def __init__( self, query, joiner = '' ):
super(XQueryItem, self).__init__()
# set the joiner
self._joiner = joiner
# update the hint
self.setText(0, joiner)
self.setSizeHint(1, QSize(80, 20))
if ( Q.typecheck(query) ):
op_name = Q.Op[query.operatorType()]
op_name = projex.text.joinWords(op_name, ' ').lower()
palette = QApplication.palette()
for i in range(4):
self.setBackground(i, palette.color(palette.Base))
self.setTextAlignment(0, Qt.AlignRight | Qt.AlignVCenter)
self.setText(1, query.columnName())
self.setText(2, op_name)
self.setText(3, query.valueString())
flags = self.flags()
flags |= Qt.ItemIsEditable
self.setFlags(flags)
else:
sub_joiner = QueryCompound.Op[query.operatorType()].lower()
for i, sub_query in enumerate(query.queries()):
if ( i ):
item = XQueryItem(sub_query, sub_joiner)
else:
item = XQueryItem(sub_query)
self.addChild(item)
def __init__(self, query, joiner=''):
super(XQueryItem, self).__init__()
# set the joiner
self._joiner = joiner
# update the hint
self.setText(0, joiner)
self.setSizeHint(1, QSize(80, 20))
if (Q.typecheck(query)):
op_name = Q.Op[query.operatorType()]
op_name = projex.text.joinWords(op_name, ' ').lower()
palette = QApplication.palette()
for i in range(4):
self.setBackground(i, palette.color(palette.Base))
self.setTextAlignment(0, Qt.AlignRight | Qt.AlignVCenter)
self.setText(1, query.columnName())
self.setText(2, op_name)
self.setText(3, query.valueString())
flags = self.flags()
flags |= Qt.ItemIsEditable
self.setFlags(flags)
else:
sub_joiner = QueryCompound.Op[query.operatorType()].lower()
for i, sub_query in enumerate(query.queries()):
if (i):
item = XQueryItem(sub_query, sub_joiner)
else:
item = XQueryItem(sub_query)
self.addChild(item)
def paint(self, painter, option, widget):
"""
Draws this item with the inputed painter.
:param painter | <QPainter>
rect | <QRect>
"""
if self._dirty:
self.rebuild()
scene = self.scene()
if not scene:
return
grid = scene.gridRect()
typ = self.chartType()
# draw the line chart
if typ == XChartScene.Type.Line:
painter.setRenderHint(painter.Antialiasing)
# draw the path area
area = self._buildData.get('path_area')
if area and self.isShaded():
clr = QColor(self.color())
clr.setAlpha(120)
painter.setPen(Qt.NoPen)
painter.setBrush(clr)
painter.drawPath(area)
# draw the line data
pen = QPen(self.color())
pen.setWidth(2)
painter.setPen(pen)
painter.setBrush(Qt.NoBrush)
painter.drawPath(self.path())
if (self.showPointsInLine()):
palette = QApplication.palette()
pen = QPen(palette.color(palette.Base))
pen.setWidth(2)
painter.setBrush(self.color())
painter.setPen(pen)
for point in self._ellipses:
painter.drawEllipse(point, self.pointRadius(),
self.pointRadius())
# draw a bar chart
elif typ == XChartScene.Type.Bar:
painter.setRenderHint(painter.Antialiasing)
pen = QPen(self.color())
pen.setWidth(1)
painter.setPen(pen)
for key, value, sub_path in self._subpaths:
gradient = QLinearGradient()
clr = QColor(self.color())
if (sub_path != self._hoveredPath):
clr.setAlpha(130)
gradient.setColorAt(0.0, clr.lighter(140))
gradient.setColorAt(0.1, clr.lighter(120))
gradient.setColorAt(0.25, clr.lighter(110))
gradient.setColorAt(1.0, clr.lighter(105))
if (self.orientation() == Qt.Horizontal):
gradient.setStart(0, sub_path.boundingRect().top())
gradient.setFinalStop(0, sub_path.boundingRect().bottom())
else:
gradient.setStart(sub_path.boundingRect().left(), 0)
gradient.setFinalStop(sub_path.boundingRect().right(), 0)
painter.setBrush(gradient)
painter.drawPath(sub_path)
# draw a simple pie chart (calculated by scene)
elif typ == XChartScene.Type.Pie:
painter.setRenderHint(painter.Antialiasing)
center = self.pieCenter()
radius = self.radius()
for key, value, sub_path in self._subpaths:
clr = self.keyColor(key)
gradient = QRadialGradient(QPointF(0, 0), radius)
a = QColor(clr.lighter(140))
b = QColor(clr.lighter(110))
a.setAlpha(40)
b.setAlpha(80)
# look for mouse over
if (sub_path == self._hoveredPath):
a.setAlpha(100)
b.setAlpha(200)
gradient.setColorAt(0, a)
gradient.setColorAt(1, b)
pen = QPen(clr)
pen.setWidth(1)
painter.setBrush(gradient)
painter.setPen(pen)
painter.drawPath(sub_path)
def paint( self, painter, option, widget ):
"""
Draws this item with the inputed painter.
:param painter | <QPainter>
rect | <QRect>
"""
if self._dirty:
self.rebuild()
scene = self.scene()
if not scene:
return
grid = scene.gridRect()
typ = self.chartType()
# draw the line chart
if typ == XChartScene.Type.Line:
painter.setRenderHint(painter.Antialiasing)
# draw the path area
area = self._buildData.get('path_area')
if area and self.isShaded():
clr = QColor(self.color())
clr.setAlpha(120)
painter.setPen(Qt.NoPen)
painter.setBrush(clr)
painter.drawPath(area)
# draw the line data
pen = QPen(self.color())
pen.setWidth(2)
painter.setPen(pen)
painter.setBrush(Qt.NoBrush)
painter.drawPath(self.path())
if ( self.showPointsInLine() ):
palette = QApplication.palette()
pen = QPen(palette.color(palette.Base))
pen.setWidth(2)
painter.setBrush(self.color())
painter.setPen(pen)
for point in self._ellipses:
painter.drawEllipse(point,
self.pointRadius(),
self.pointRadius())
# draw a bar chart
elif typ == XChartScene.Type.Bar:
painter.setRenderHint(painter.Antialiasing)
pen = QPen(self.color())
pen.setWidth(1)
painter.setPen(pen)
for key, value, sub_path in self._subpaths:
gradient = QLinearGradient()
clr = QColor(self.color())
if ( sub_path != self._hoveredPath ):
clr.setAlpha(130)
gradient.setColorAt(0.0, clr.lighter(140))
gradient.setColorAt(0.1, clr.lighter(120))
gradient.setColorAt(0.25, clr.lighter(110))
gradient.setColorAt(1.0, clr.lighter(105))
if ( self.orientation() == Qt.Horizontal ):
gradient.setStart(0, sub_path.boundingRect().top())
gradient.setFinalStop(0, sub_path.boundingRect().bottom())
else:
gradient.setStart(sub_path.boundingRect().left(), 0)
gradient.setFinalStop(sub_path.boundingRect().right(), 0)
painter.setBrush(gradient)
painter.drawPath(sub_path)
# draw a simple pie chart (calculated by scene)
elif typ == XChartScene.Type.Pie:
painter.setRenderHint(painter.Antialiasing)
center = self.pieCenter()
radius = self.radius()
for key, value, sub_path in self._subpaths:
clr = self.keyColor(key)
gradient = QRadialGradient(QPointF(0, 0), radius)
a = QColor(clr.lighter(140))
b = QColor(clr.lighter(110))
a.setAlpha(40)
b.setAlpha(80)
# look for mouse over
if ( sub_path == self._hoveredPath ):
a.setAlpha(100)
b.setAlpha(200)
gradient.setColorAt(0, a)
gradient.setColorAt(1, b)
pen = QPen(clr)
pen.setWidth(1)
painter.setBrush(gradient)
painter.setPen(pen)
painter.drawPath(sub_path)
