def Draw(self, dc: DC, withChildren: bool = True):
"""
Draw the text on the dc.
Args:
dc
withChildren
"""
if self._visible:
RectangleShape.Draw(self, dc, False)
dc.SetTextForeground(self._color)
dc.SetBackgroundMode(PENSTYLE_SOLID)
dc.SetTextBackground(self._textBack)
x, y = self.GetPosition()
# to draw the text shape with its own font size
saveFont: Font = dc.GetFont()
if self.GetFont() is not None:
dc.SetFont(self.GetFont())
dc.DrawText(self._text, x, y)
dc.SetFont(saveFont)
if withChildren:
self.DrawChildren(dc)
def _drawSourceCardinality(self, dc: DC, sp: OglPosition, dp: OglPosition):
dx, dy = self._computeDxDy(srcPosition=sp, destPosition=dp)
linkLength: float = self._computeLinkLength(srcPosition=sp,
destPosition=dp)
srcLblX: int = round((20 * dx / linkLength - dx * 5 / linkLength) +
sp.x)
srcLblY: int = round((20 * dy / linkLength + dy * 5 / linkLength) +
sp.y)
if OglAssociation.clsLogger.isEnabledFor(INFO):
info = (f'{sp=} '
f'{dp=} '
f'{dx=} '
f'{dy=} '
f'linkLength={linkLength:.2f} '
f'srcLblX={srcLblX:.2f} '
f'srcLblY={srcLblY:.2f}')
OglAssociation.clsLogger.info(info)
saveFont: Font = dc.GetFont()
dc.SetFont(self._defaultFont)
sourceCardinalityText: str = self._link.sourceCardinality
dc.DrawText(sourceCardinalityText, srcLblX, srcLblY)
dc.SetFont(saveFont)
self._sourceCardinality = self.__updateAssociationLabel(
self._sourceCardinality,
x=srcLblX,
y=srcLblY,
text=sourceCardinalityText)
def _drawCenterLabel(self, dc: DC, sp: OglPosition, dp: OglPosition):
midPoint: OglPosition = OglUtils.computeMidPoint(srcPosition=sp,
destPosition=dp)
saveFont: Font = dc.GetFont()
dc.SetFont(self._defaultFont)
centerText: str = self._link.getName()
dc.DrawText(centerText, midPoint.x, midPoint.y)
dc.SetFont(saveFont)
self._centerLabel = self.__updateAssociationLabel(self._centerLabel,
x=midPoint.x,
y=midPoint.y,
text=centerText)
def _drawDestinationCardinality(self, dc: DC, sp: OglPosition,
dp: OglPosition):
dx, dy = self._computeDxDy(srcPosition=sp, destPosition=dp)
linkLength: float = self._computeLinkLength(srcPosition=sp,
destPosition=dp)
dstLblX: int = round((-20 * dx / linkLength + dy * 5 / linkLength) +
dp.x)
dstLblY: int = round((-20 * dy / linkLength - dy * 5 / linkLength) +
dp.y)
saveFont: Font = dc.GetFont()
dc.SetFont(self._defaultFont)
destinationCardinalityText: str = self._link.destinationCardinality
dc.DrawText(destinationCardinalityText, dstLblX, dstLblY)
self._destinationCardinality = self.__updateAssociationLabel(
self._destinationCardinality,
x=dstLblX,
y=dstLblY,
text=destinationCardinalityText)
dc.SetFont(saveFont)