class QuadInstanceItemWidget(QFrame):
quadSelected = pyqtSignal()
def __init__(self, quad):
QWidget.__init__(self)
self.setMouseTracking(True)
self.quad = quad
self.nameLabel = QLabel(
f'<b>{quad[ID]}</b><br><span style="color:grey;">'
f'{quad[PERCENT_COVERED]} % covered</span>')
self.iconLabel = QLabel()
pixmap = QPixmap(PLACEHOLDER_THUMB, 'SVG')
thumb = pixmap.scaled(48, 48, QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation)
self.iconLabel.setPixmap(thumb)
self.checkBox = QCheckBox("")
self.checkBox.stateChanged.connect(self.check_box_state_changed)
layout = QHBoxLayout()
layout.setMargin(0)
layout.addWidget(self.checkBox)
vlayout = QVBoxLayout()
vlayout.setMargin(0)
vlayout.addWidget(self.iconLabel)
self.iconWidget = QWidget()
self.iconWidget.setFixedSize(48, 48)
self.iconWidget.setLayout(vlayout)
layout.addWidget(self.iconWidget)
layout.addWidget(self.nameLabel)
layout.addStretch()
self.setLayout(layout)
download_thumbnail(quad[LINKS][THUMBNAIL], self)
self.footprint = QgsRubberBand(iface.mapCanvas(),
QgsWkbTypes.PolygonGeometry)
self.footprint.setFillColor(QUADS_AOI_COLOR)
self.footprint.setStrokeColor(QUADS_AOI_COLOR)
self.footprint.setWidth(2)
self.footprintfill = QgsRubberBand(iface.mapCanvas(),
QgsWkbTypes.PolygonGeometry)
self.footprintfill.setFillColor(QUADS_AOI_BODY_COLOR)
self.footprintfill.setWidth(0)
self.update_footprint_brush()
self.hide_solid_interior()
self.show_footprint()
self.setStyleSheet(
"QuadInstanceItemWidget{border: 2px solid transparent;}")
def set_thumbnail(self, img):
pixmap = QPixmap(img)
thumb = pixmap.scaled(48, 48, Qt.KeepAspectRatio,
Qt.SmoothTransformation)
self.iconLabel.setPixmap(thumb)
self.iconLabel.setStyleSheet("")
def check_box_state_changed(self):
self.update_footprint_brush()
self.quadSelected.emit()
def show_footprint(self):
coords = self.quad[BBOX]
extent = qgsrectangle_for_canvas_from_4326_bbox_coords(coords)
self.geom = QgsGeometry.fromRect(extent)
self.footprint.setToGeometry(self.geom)
self.footprintfill.setToGeometry(self.geom)
def hide_footprint(self):
self.footprint.reset(QgsWkbTypes.PolygonGeometry)
self.footprintfill.reset(QgsWkbTypes.PolygonGeometry)
def show_solid_interior(self):
self.footprintfill.setBrushStyle(Qt.SolidPattern)
self.footprintfill.updateCanvas()
def hide_solid_interior(self):
self.footprintfill.setBrushStyle(Qt.NoBrush)
self.footprintfill.updateCanvas()
def update_footprint_brush(self):
self.footprint.setBrushStyle(
Qt.BDiagPattern if self.checkBox.isChecked() else Qt.NoBrush)
self.footprint.updateCanvas()
def remove_footprint(self):
iface.mapCanvas().scene().removeItem(self.footprint)
iface.mapCanvas().scene().removeItem(self.footprintfill)
def isSelected(self):
return self.checkBox.isChecked()
def setChecked(self, checked, emit=True):
if not emit:
self.checkBox.blockSignals(True)
self.checkBox.setChecked(checked)
if not emit:
self.update_footprint_brush()
self.checkBox.blockSignals(False)
def enterEvent(self, event):
self.setStyleSheet(
"QuadInstanceItemWidget{border: 2px solid rgb(157, 165, 0);}")
self.show_solid_interior()
def leaveEvent(self, event):
self.setStyleSheet(
"QuadInstanceItemWidget{border: 2px solid transparent;}")
self.hide_solid_interior()
