def _add_results(self, preselect: int = -1, row_number: int = 0):
'''
adds results to the map canvas and to the result list of the dialog
'''
provider = self.preview_layer.layer.dataProvider()
for i, result in enumerate(self.results):
feature = QgsFeature()
coords = result['geometry']['coordinates']
geom = QgsGeometry.fromPointXY(QgsPointXY(coords[0], coords[1]))
feature.setGeometry(geom)
feature.setAttributes([
i + 1,
result['properties']['text'],
])
provider.addFeature(feature)
properties = result['properties']
radio = QRadioButton(properties['text'])
preview = QLabel()
preview.setMaximumWidth(20)
preview.setMinimumWidth(20)
self.results_contents.addWidget(preview, i + row_number, 0)
self.results_contents.addWidget(radio, i + row_number, 1)
if self.show_score:
score = QLabel(f'Score {properties["score"]}')
self.results_contents.addWidget(score, i + row_number, 2)
img_path = os.path.join(ICON_PATH, f'marker_{i+1}.png')
if os.path.exists(img_path):
pixmap = QPixmap(img_path)
preview.setPixmap(
pixmap.scaled(preview.size(), Qt.KeepAspectRatio,
Qt.SmoothTransformation))
# results clicked in the dialog are highlighted on the map
radio.toggled.connect(
lambda c, i=i, f=feature: self._toggle_result(i, f))
if i == preselect:
radio.setChecked(True)
self.preview_layer.layer.commitChanges()
extent = self.preview_layer.layer.extent()
if not extent.isEmpty():
transform = QgsCoordinateTransform(
self.preview_layer.layer.crs(),
self.canvas.mapSettings().destinationCrs(),
QgsProject.instance())
self.canvas.setExtent(transform.transform(extent))
self.canvas.zoomByFactor(1.5)
self.canvas.refresh()
