def annotatePredictions(self):
if self.stationFeature is None:
return
a = QgsTextAnnotation()
a.setMapLayer(self.predictionManager.stationsLayer)
document = a.document()
columnWidth = [80, 100, 60]
columnAlign = ['left', 'left', 'right']
html = '<font size="+2"><b>'
html += self.stationFeature['name'] + '<br>' + self.dateEdit.date(
).toString() + '<br>'
html += '</b></font>'
html += '<font size="+1"><table cellpadding="0" cellspacing="0">'
html += '<tr>'
for j in range(0, self.tableWidget.columnCount()):
html += '<td width="{}"><b>{}</b></td>'.format(
columnWidth[j],
self.tableWidget.horizontalHeaderItem(j).text())
html += '</tr>'
for i in range(0, self.tableWidget.rowCount()):
html += '<tr bgcolor="{}">'.format('#FFFFFF' if i %
2 else '#EEEEEE')
for j in range(0, self.tableWidget.columnCount()):
html += '<td align="{}" width="{}">{}</td>'.format(
columnAlign[j], columnWidth[j],
self.tableWidget.item(i, j).text())
html += '</tr>'
html += '</table></font>'
document.setHtml(html)
# TODO: this size and offset are wack. Can we dynamically calculate from the content somehow?
a.setFrameSize(QSizeF(270, 300))
a.setFrameOffsetFromReferencePoint(QPointF(-300, -200))
a.setMapPosition(self.stationFeature.geometry().asPoint())
a.setMapPositionCrs(
QgsCoordinateReferenceSystem(
self.predictionManager.stationsLayer.crs()))
# disable its symbol
for symbol in a.markerSymbol().symbolLayers():
symbol.setEnabled(False)
QgsProject.instance().annotationManager().addAnnotation(a)
