def canvasReleaseEvent(self,event):
#Get the click
x = event.pos().x()
y = event.pos().y()
layer = self.canvas.currentLayer()
visibleLayers = []
if self.allLayers:
legendIface = self.iface.legendInterface()
for aLayer in legendIface.layers():
if 0 == aLayer.type():
if legendIface.isLayerVisible(aLayer) and \
self.isPolygonLayer(aLayer):
visibleLayers.append(aLayer)
else:
if layer <> None:
visibleLayers.append(layer)
if len(visibleLayers) > 0:
#the clicked point is our starting point
startingPoint = QtCore.QPoint(x,y)
mapToPixel = self.canvas.getCoordinateTransform()
thisQgsPoint = mapToPixel.toMapCoordinates(startingPoint)
multiGeom = None
for aLayer in visibleLayers:
if not self.allLayers and aLayer.selectedFeatureCount() > 0:
#we assume, that the gap is between the selected polyons
hadSelection = True
else:
hadSelection = False
spatialIndex = dtutils.dtSpatialindex(aLayer)
# get the 100 closest Features
featureIds = spatialIndex.nearestNeighbor(thisQgsPoint, 100)
aLayer.setSelectedFeatures(featureIds)
multiGeom = dtutils.dtCombineSelectedPolygons(aLayer, self.iface, multiGeom)
if self.allLayers or not hadSelection:
aLayer.removeSelection()
if multiGeom == None:
return None
if multiGeom != None:
rings = dtutils.dtExtractRings(multiGeom)
if len(rings) > 0:
for aRing in rings:
if aRing.contains(thisQgsPoint):
self.gapSelected.emit([aRing])
break
def process(self):
# DtDualTool makes sure a selection exists
layer = self.iface.activeLayer()
multiGeom = dtutils.dtCombineSelectedPolygons(layer, self.iface)
if multiGeom != None:
rings = dtutils.dtExtractRings(multiGeom)
if len(rings) == 0:
self.iface.messageBar().pushWarning(
self.title,
QtCore.QCoreApplication.translate(
"digitizingtools",
"There are no gaps between the polygons."))
else:
defaultAttributeMap = dtutils.dtGetDefaultAttributeMap(layer)
layer.featureAdded.connect(self.featureAdded)
numRingsFilled = 0
aborted = False
for aRing in rings:
if numRingsFilled == 0:
layer.beginEditCommand(
QtCore.QCoreApplication.translate(
"editcommand", "Fill gaps"))
if self.iface.vectorLayerTools().addFeature(
layer,
defaultValues=defaultAttributeMap,
defaultGeometry=aRing):
layer.featureAdded.disconnect(self.featureAdded)
else:
layer.featureAdded.disconnect(self.featureAdded)
aborted = True
break
else:
aFeat = dtutils.dtCopyFeature(layer,
srcFid=self.newFid)
aFeat.setGeometry(aRing)
layer.addFeature(aFeat)
numRingsFilled += 1
if aborted:
layer.destroyEditCommand()
else:
layer.endEditCommand()
self.canvas.refresh()
def process(self):
# DtDualTool makes sure a selection exists
layer = self.iface.activeLayer()
multiGeom = dtutils.dtCombineSelectedPolygons(layer, self.iface)
if multiGeom != None:
rings = dtutils.dtExtractRings(multiGeom)
if len(rings) == 0:
self.iface.messageBar().pushMessage(self.title,
QtCore.QCoreApplication.translate("digitizingtools",
"There are no gaps between the polygons."),
level=QgsMessageBar.WARNING, duration = 10)
else:
defaultAttributeMap = dtutils.dtGetDefaultAttributeMap(layer)
layer.featureAdded.connect(self.featureAdded)
numRingsFilled = 0
aborted = False
for aRing in rings:
if numRingsFilled == 0:
layer.beginEditCommand(QtCore.QCoreApplication.translate(
"editcommand", "Fill gaps"))
if self.iface.vectorLayerTools().addFeature(
layer, defaultValues = defaultAttributeMap, defaultGeometry = aRing):
layer.featureAdded.disconnect(self.featureAdded)
else:
layer.featureAdded.disconnect(self.featureAdded)
aborted = True
break
else:
aFeat = dtutils.dtCopyFeature(layer, srcFid = self.newFid)
aFeat.setGeometry(aRing)
layer.addFeature(aFeat)
numRingsFilled += 1
if aborted:
layer.destroyEditCommand()
else:
layer.endEditCommand()
self.canvas.refresh()
