def __init__(self, iface, toolBar):
DtSingleEditTool.__init__(self, iface, toolBar,
QtGui.QIcon(":/prolongline.png"),
QtCore.QCoreApplication.translate("digitizingtools", "Prolong Line"),
geometryTypes = [2, 5], dtName = "dtProlongLine")
self.tool = DtProlongLineTool(self.canvas)
self.tool.startedDigitizing.connect(self.digitizingStarted)
self.tool.finishedDigitizing.connect(self.digitizingFinished)
self.tool.stoppedDigitizing.connect(self.digitizingStopped)
self.reset()
self.enable()
def __init__(self, iface, toolBar):
# Save reference to the QGIS interface
self.iface = iface
self.mapCanvas = self.iface.mapCanvas()
#create action
self.title = QtCore.QCoreApplication.translate("digitizingtools",
"Prolong Line")
self.act_prolong = QtGui.QAction(QtGui.QIcon(":/prolongline.png"),
self.title, self.iface.mainWindow())
self.act_prolong.setCheckable(True)
self.act_prolong.triggered.connect(self.run)
self.mapCanvas.mapToolSet.connect(self.deactivate)
self.iface.currentLayerChanged.connect(self.enable)
toolBar.addAction(self.act_prolong)
self.tool = DtProlongLineTool(self.mapCanvas)
self.tool.startedDigitizing.connect(self.digitizingStarted)
self.tool.finishedDigitizing.connect(self.digitizingFinished)
self.tool.stoppedDigitizing.connect(self.digitizingStopped)
self.lineLayer = None
self.reset()
self.enable()
def __init__(self, iface, toolBar):
# Save reference to the QGIS interface
self.iface = iface
self.mapCanvas=self.iface.mapCanvas()
#create action
self.title = QtCore.QCoreApplication.translate("digitizingtools", "Prolong Line")
self.act_prolong = QtGui.QAction(QtGui.QIcon(":/prolongline.png"), self.title, self.iface.mainWindow())
self.act_prolong.setCheckable(True)
self.act_prolong.triggered.connect(self.run)
self.mapCanvas.mapToolSet.connect(self.deactivate)
self.iface.currentLayerChanged.connect(self.enable)
toolBar.addAction(self.act_prolong)
self.tool = DtProlongLineTool(self.mapCanvas)
self.tool.startedDigitizing.connect(self.digitizingStarted)
self.tool.finishedDigitizing.connect(self.digitizingFinished)
self.tool.stoppedDigitizing.connect(self.digitizingStopped)
self.lineLayer = None
self.reset()
self.enable()
class DtProlongLine():
'''Cut out from active editable layer with selected polygon from another layer'''
def __init__(self, iface, toolBar):
# Save reference to the QGIS interface
self.iface = iface
self.mapCanvas=self.iface.mapCanvas()
#create action
self.title = QtCore.QCoreApplication.translate("digitizingtools", "Prolong Line")
self.act_prolong = QtGui.QAction(QtGui.QIcon(":/prolongline.png"), self.title, self.iface.mainWindow())
self.act_prolong.setCheckable(True)
self.act_prolong.triggered.connect(self.run)
self.mapCanvas.mapToolSet.connect(self.deactivate)
self.iface.currentLayerChanged.connect(self.enable)
toolBar.addAction(self.act_prolong)
self.tool = DtProlongLineTool(self.mapCanvas)
self.tool.startedDigitizing.connect(self.digitizingStarted)
self.tool.finishedDigitizing.connect(self.digitizingFinished)
self.tool.stoppedDigitizing.connect(self.digitizingStopped)
self.lineLayer = None
self.reset()
self.enable()
def reset(self):
self.lineLayer = None
self.lineFeature = None
self.rubberBand = None
def digitizingStarted(self, layer, feature, startPoint, rubberBand):
self.lineLayer = layer
self.lineFeature = feature
def digitizingFinished(self, digitizedGeom):
lineGeom = self.lineFeature.geometry()
newGeom = lineGeom.combine(digitizedGeom)
# step 5 change geometry in layer
self.lineLayer.beginEditCommand(QtCore.QCoreApplication.translate("editcommand", "Prolong Line"))
self.lineFeature.setGeometry(newGeom)
self.lineLayer.updateFeature(self.lineFeature)
self.lineLayer.endEditCommand()
self.reset()
def digitizingStopped(self):
self.reset
def deactivate(self):
self.tool.reset()
self.reset()
self.act_prolong.setChecked(False)
def run(self):
'''Function that does all the real work'''
self.mapCanvas.setMapTool(self.tool)
self.act_prolong.setChecked(True)
def enable(self):
'''Enables/disables the corresponding button.'''
# Disable the Button by default
doEnable = False
doConnect = False
layer = self.iface.activeLayer()
if layer <> None:
if layer.type() == 0: #Only for vector layers.
if layer.geometryType() == 1: # only line layers
doConnect = True
doEnable = layer.isEditable()
try:
layer.editingStarted.disconnect(self.enable) # disconnect, will be reconnected
except:
pass
try:
layer.editingStopped.disconnect(self.enable) # when it becomes active layer again
except:
pass
if self.lineLayer != None: # we have a current edit session, activeLayer may have changed or editing status of self.lineLayer
try:
self.lineLayer.editingStarted.disconnect(self.enable) # disconnect, will be reconnected
except:
pass
try:
self.lineLayer.editingStopped.disconnect(self.enable) # when it becomes active layer again
except:
pass
self.tool.reset()
self.reset()
if not doEnable:
self.deactivate()
self.act_prolong.setEnabled(doEnable)
if doConnect:
layer.editingStarted.connect(self.enable)
layer.editingStopped.connect(self.enable)
class DtProlongLine():
'''Cut out from active editable layer with selected polygon from another layer'''
def __init__(self, iface, toolBar):
# Save reference to the QGIS interface
self.iface = iface
self.mapCanvas = self.iface.mapCanvas()
#create action
self.title = QtCore.QCoreApplication.translate("digitizingtools",
"Prolong Line")
self.act_prolong = QtGui.QAction(QtGui.QIcon(":/prolongline.png"),
self.title, self.iface.mainWindow())
self.act_prolong.setCheckable(True)
self.act_prolong.triggered.connect(self.run)
self.mapCanvas.mapToolSet.connect(self.deactivate)
self.iface.currentLayerChanged.connect(self.enable)
toolBar.addAction(self.act_prolong)
self.tool = DtProlongLineTool(self.mapCanvas)
self.tool.startedDigitizing.connect(self.digitizingStarted)
self.tool.finishedDigitizing.connect(self.digitizingFinished)
self.tool.stoppedDigitizing.connect(self.digitizingStopped)
self.lineLayer = None
self.reset()
self.enable()
def reset(self):
self.lineLayer = None
self.lineFeature = None
self.rubberBand = None
def digitizingStarted(self, layer, feature, startPoint, rubberBand):
self.lineLayer = layer
self.lineFeature = feature
def digitizingFinished(self, digitizedGeom):
lineGeom = self.lineFeature.geometry()
newGeom = lineGeom.combine(digitizedGeom)
# step 5 change geometry in layer
self.lineLayer.beginEditCommand(
QtCore.QCoreApplication.translate("digitizingtools",
"Prolong Line"))
self.lineFeature.setGeometry(newGeom)
self.lineLayer.updateFeature(self.lineFeature)
self.lineLayer.endEditCommand()
self.reset()
def digitizingStopped(self):
self.reset
def deactivate(self):
self.tool.reset()
self.reset()
self.act_prolong.setChecked(False)
def run(self):
'''Function that does all the real work'''
self.mapCanvas.setMapTool(self.tool)
self.act_prolong.setChecked(True)
def enable(self):
'''Enables/disables the corresponding button.'''
# Disable the Button by default
doEnable = False
doConnect = False
layer = self.iface.activeLayer()
if layer <> None:
if layer.type() == 0: #Only for vector layers.
if layer.geometryType() == 1: # only line layers
doConnect = True
doEnable = layer.isEditable()
try:
layer.editingStarted.disconnect(
self.enable) # disconnect, will be reconnected
except:
pass
try:
layer.editingStopped.disconnect(
self.enable) # when it becomes active layer again
except:
pass
if self.lineLayer != None: # we have a current edit session, activeLayer may have changed or editing status of self.lineLayer
try:
self.lineLayer.editingStarted.disconnect(
self.enable) # disconnect, will be reconnected
except:
pass
try:
self.lineLayer.editingStopped.disconnect(
self.enable) # when it becomes active layer again
except:
pass
self.tool.reset()
self.reset()
if not doEnable:
self.deactivate()
self.act_prolong.setEnabled(doEnable)
if doConnect:
layer.editingStarted.connect(self.enable)
layer.editingStopped.connect(self.enable)
