def testSymbolExpressionRender(self):
"""Test expressions embedded in legend node text"""
point_path = os.path.join(TEST_DATA_DIR, 'points.shp')
point_layer = QgsVectorLayer(point_path, 'points', 'ogr')
layout = QgsPrintLayout(QgsProject.instance())
layout.setName('LAYOUT')
layout.initializeDefaults()
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(20, 20, 80, 80))
map.setFrameEnabled(True)
map.setLayers([point_layer])
layout.addLayoutItem(map)
map.setExtent(point_layer.extent())
legend = QgsLayoutItemLegend(layout)
legend.setTitle("Legend")
legend.attemptSetSceneRect(QRectF(120, 20, 100, 100))
legend.setFrameEnabled(True)
legend.setFrameStrokeWidth(QgsLayoutMeasurement(2))
legend.setBackgroundColor(QColor(200, 200, 200))
legend.setTitle('')
legend.setLegendFilterByMapEnabled(False)
legend.setStyleFont(QgsLegendStyle.Title, QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.Group, QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.Subgroup, QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.Symbol, QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.SymbolLabel, QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setAutoUpdateModel(False)
QgsProject.instance().addMapLayers([point_layer])
s = QgsMapSettings()
s.setLayers([point_layer])
group = legend.model().rootGroup().addGroup("Group [% 1 + 5 %] [% @layout_name %]")
layer_tree_layer = group.addLayer(point_layer)
counterTask = point_layer.countSymbolFeatures()
counterTask.waitForFinished()
layer_tree_layer.setCustomProperty("legend/title-label",
'bbbb [% 1+2 %] xx [% @layout_name %] [% @layer_name %]')
QgsMapLayerLegendUtils.setLegendNodeUserLabel(layer_tree_layer, 0, 'xxxx')
legend.model().refreshLayerLegend(layer_tree_layer)
layer_tree_layer.setLabelExpression('Concat(@symbol_id, @symbol_label, count("Class"))')
legend.model().layerLegendNodes(layer_tree_layer)[0].setUserLabel(' sym 1')
legend.model().layerLegendNodes(layer_tree_layer)[1].setUserLabel('[%@symbol_count %]')
legend.model().layerLegendNodes(layer_tree_layer)[2].setUserLabel('[% count("Class") %]')
layout.addLayoutItem(legend)
legend.setLinkedMap(map)
legend.updateLegend()
print(layer_tree_layer.labelExpression())
map.setExtent(QgsRectangle(-102.51, 41.16, -102.36, 41.30))
checker = QgsLayoutChecker(
'composer_legend_symbol_expression', layout)
checker.setControlPathPrefix("composer_legend")
sleep(4)
result, message = checker.testLayout()
self.assertTrue(result, message)
QgsProject.instance().removeMapLayers([point_layer.id()])
def testInitialSizeSymbolMapUnits(self):
"""Test initial size of legend with a symbol size in map units"""
point_path = os.path.join(TEST_DATA_DIR, 'points.shp')
point_layer = QgsVectorLayer(point_path, 'points', 'ogr')
QgsProject.instance().addMapLayers([point_layer])
marker_symbol = QgsMarkerSymbol.createSimple({'color': '#ff0000', 'outline_style': 'no', 'size': '5', 'size_unit': 'MapUnit'})
point_layer.setRenderer(QgsSingleSymbolRenderer(marker_symbol))
s = QgsMapSettings()
s.setLayers([point_layer])
layout = QgsLayout(QgsProject.instance())
layout.initializeDefaults()
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(20, 20, 80, 80))
map.setFrameEnabled(True)
map.setLayers([point_layer])
layout.addLayoutItem(map)
map.setExtent(point_layer.extent())
legend = QgsLayoutItemLegend(layout)
legend.setTitle("Legend")
legend.attemptSetSceneRect(QRectF(120, 20, 80, 80))
legend.setFrameEnabled(True)
legend.setFrameStrokeWidth(QgsLayoutMeasurement(2))
legend.setBackgroundColor(QColor(200, 200, 200))
legend.setTitle('')
layout.addLayoutItem(legend)
legend.setLinkedMap(map)
checker = QgsLayoutChecker(
'composer_legend_mapunits', layout)
checker.setControlPathPrefix("composer_legend")
result, message = checker.testLayout()
self.assertTrue(result, message)
# resize with non-top-left reference point
legend.setResizeToContents(False)
legend.setReferencePoint(QgsLayoutItem.LowerRight)
legend.attemptMove(QgsLayoutPoint(120, 90))
legend.attemptResize(QgsLayoutSize(50, 60))
self.assertEqual(legend.positionWithUnits().x(), 120.0)
self.assertEqual(legend.positionWithUnits().y(), 90.0)
self.assertAlmostEqual(legend.pos().x(), 70, -1)
self.assertAlmostEqual(legend.pos().y(), 30, -1)
legend.setResizeToContents(True)
legend.updateLegend()
self.assertEqual(legend.positionWithUnits().x(), 120.0)
self.assertEqual(legend.positionWithUnits().y(), 90.0)
self.assertAlmostEqual(legend.pos().x(), 91, -1)
self.assertAlmostEqual(legend.pos().y(), 71, -1)
QgsProject.instance().removeMapLayers([point_layer.id()])
def testInitialSizeSymbolMapUnits(self):
"""Test initial size of legend with a symbol size in map units"""
point_path = os.path.join(TEST_DATA_DIR, 'points.shp')
point_layer = QgsVectorLayer(point_path, 'points', 'ogr')
QgsProject.instance().addMapLayers([point_layer])
marker_symbol = QgsMarkerSymbol.createSimple({'color': '#ff0000', 'outline_style': 'no', 'size': '5', 'size_unit': 'MapUnit'})
point_layer.setRenderer(QgsSingleSymbolRenderer(marker_symbol))
s = QgsMapSettings()
s.setLayers([point_layer])
layout = QgsLayout(QgsProject.instance())
layout.initializeDefaults()
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(20, 20, 80, 80))
map.setFrameEnabled(True)
map.setLayers([point_layer])
layout.addLayoutItem(map)
map.setExtent(point_layer.extent())
legend = QgsLayoutItemLegend(layout)
legend.setTitle("Legend")
legend.attemptSetSceneRect(QRectF(120, 20, 80, 80))
legend.setFrameEnabled(True)
legend.setFrameStrokeWidth(QgsLayoutMeasurement(2))
legend.setBackgroundColor(QColor(200, 200, 200))
legend.setTitle('')
layout.addLayoutItem(legend)
legend.setLinkedMap(map)
checker = QgsLayoutChecker(
'composer_legend_mapunits', layout)
checker.setControlPathPrefix("composer_legend")
result, message = checker.testLayout()
self.assertTrue(result, message)
# resize with non-top-left reference point
legend.setResizeToContents(False)
legend.setReferencePoint(QgsLayoutItem.LowerRight)
legend.attemptMove(QgsLayoutPoint(120, 90))
legend.attemptResize(QgsLayoutSize(50, 60))
self.assertEqual(legend.positionWithUnits().x(), 120.0)
self.assertEqual(legend.positionWithUnits().y(), 90.0)
self.assertAlmostEqual(legend.pos().x(), 70, -1)
self.assertAlmostEqual(legend.pos().y(), 30, -1)
legend.setResizeToContents(True)
legend.updateLegend()
self.assertEqual(legend.positionWithUnits().x(), 120.0)
self.assertEqual(legend.positionWithUnits().y(), 90.0)
self.assertAlmostEqual(legend.pos().x(), 91, -1)
self.assertAlmostEqual(legend.pos().y(), 71, -1)
QgsProject.instance().removeMapLayers([point_layer.id()])
