def paintEvent(self, event):
"""
Handles the drawing for this widget and its selection region.
:param event | <QPaintEvent>
"""
pen = QPen(Qt.DashLine)
pen.setColor(QColor('red'))
with XPainter(self) as painter:
painter.setPen(pen)
clr = QColor('black')
clr.setAlpha(100)
painter.setBrush(clr)
painter.drawRect(self._region)
def setColor( self, color ):
"""
Convenience method to set the border, fill and highlight colors based
on the inputed color.
:param color | <QColor>
"""
# sets the border color as the full value
self.setBorderColor(color)
# set the highlight color as the color with a 140 % alpha
clr = QColor(color)
clr.setAlpha(150)
self.setHighlightColor(clr)
# set the fill color as the color with a 50 % alpha
clr = QColor(color)
clr.setAlpha(80)
self.setFillColor(clr)
def setColor(self, color):
"""
Convenience method to set the border, fill and highlight colors based
on the inputed color.
:param color | <QColor>
"""
# sets the border color as the full value
self.setBorderColor(color)
# set the highlight color as the color with a 140 % alpha
clr = QColor(color)
clr.setAlpha(150)
self.setHighlightColor(clr)
# set the fill color as the color with a 50 % alpha
clr = QColor(color)
clr.setAlpha(80)
self.setFillColor(clr)
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(0.75)
painter.setPen(pen)
for path in item.buildData('subpaths', []):
gradient = QLinearGradient()
clr = QColor(dataset.color())
clr.setAlpha(220)
gradient.setColorAt(0.0, clr.lighter(180))
gradient.setColorAt(0.1, clr.lighter(160))
gradient.setColorAt(0.25, clr.lighter(140))
gradient.setColorAt(1.0, clr.lighter(125))
if self.orientation() == Qt.Vertical:
gradient.setStart(0, path.boundingRect().bottom())
gradient.setFinalStop(0, path.boundingRect().top())
else:
gradient.setStart(path.boundingRect().left(), 0)
gradient.setFinalStop(path.boundingRect().right(), 0)
painter.setBrush(gradient)
painter.drawPath(path)
painter.restore()
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(0.75)
painter.setPen(pen)
for path in item.buildData('subpaths', []):
gradient = QLinearGradient()
clr = QColor(dataset.color())
clr.setAlpha(220)
gradient.setColorAt(0.0, clr.lighter(180))
gradient.setColorAt(0.1, clr.lighter(160))
gradient.setColorAt(0.25, clr.lighter(140))
gradient.setColorAt(1.0, clr.lighter(125))
if self.orientation() == Qt.Vertical:
gradient.setStart(0, path.boundingRect().bottom())
gradient.setFinalStop(0, path.boundingRect().top())
else:
gradient.setStart(path.boundingRect().left(), 0)
gradient.setFinalStop(path.boundingRect().right(), 0)
painter.setBrush(gradient)
painter.drawPath(path)
painter.restore()
def setRecordState(self, recordState):
"""
Sets the record state for this item to the inputed state.
:param recordState | <XOrbRecordItem.State>
"""
self._recordState = recordState
try:
is_colored = self.treeWidget().isColored()
except AttributeError:
return
if not is_colored:
return
# determine the color for the item based on the state
if recordState & XOrbRecordItem.State.Removed:
clr = self.treeWidget().colorSet().color("RecordRemoved")
elif recordState & XOrbRecordItem.State.New:
clr = self.treeWidget().colorSet().color("RecordNew")
elif recordState & XOrbRecordItem.State.Modified:
clr = self.treeWidget().colorSet().color("RecordModified")
else:
clr = None
# set the color based on the record state
if clr is not None:
clr = QColor(clr)
clr.setAlpha(40)
brush = QBrush(clr)
else:
brush = QBrush()
for c in range(self.treeWidget().columnCount()):
self.setBackground(c, brush)
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)
