def canvasMoveEvent(self, event):
""" Mouse movement event """
# Hide marker and get coordinates
self.vertex_marker.hide()
x = event.pos().x()
y = event.pos().y()
event_point = self.snapper_manager.get_event_point(event)
# Snap to node
if self.snapped_feat is None:
# Make sure active layer is 'v_edit_node'
cur_layer = self.iface.activeLayer()
if cur_layer != self.layer_node:
self.iface.setActiveLayer(self.layer_node)
self.add_layer = GwLayerTools(self.iface, self.settings,
self.controller, self.plugin_dir)
# Snapping
result = self.snapper_manager.snap_to_current_layer(event_point)
if self.snapper_manager.result_is_valid():
# Get the point and add marker on it
point = self.snapper_manager.add_marker(
result, self.vertex_marker)
else:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
# Set a new point to go on with
self.rubber_band.movePoint(point)
# Snap to arc
else:
# Make sure active layer is 'v_edit_arc'
cur_layer = self.iface.activeLayer()
if cur_layer != self.layer_arc:
self.iface.setActiveLayer(self.layer_arc)
# Snapping
result = self.snapper_manager.snap_to_current_layer(event_point)
# if result and result[0].snappedVertexNr == -1:
if self.snapper_manager.result_is_valid():
layer = self.snapper_manager.get_snapped_layer(result)
feature_id = self.snapper_manager.get_snapped_feature_id(
result)
point = self.snapper_manager.add_marker(
result, self.vertex_marker, QgsVertexMarker.ICON_CROSS)
# Select the arc
layer.removeSelection()
layer.select([feature_id])
else:
# Bring the rubberband to the cursor i.e. the clicked point
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.rubber_band.movePoint(point)
def _move_event_snap_to_arc(self, event_point, x, y):
""" Snap to arc. Second step: After a node is selected """
# Make sure active layer is 'v_edit_arc'
cur_layer = self.iface.activeLayer()
if cur_layer != self.layer_arc:
self.iface.setActiveLayer(self.layer_arc)
# Snapping
result = self.snapper_manager.snap_to_current_layer(event_point)
# if result and result[0].snappedVertexNr == -1:
if result.isValid():
layer = self.snapper_manager.get_snapped_layer(result)
feature_id = self.snapper_manager.get_snapped_feature_id(result)
point = self.snapper_manager.add_marker(result, self.vertex_marker,
QgsVertexMarker.ICON_CROSS)
# Select the arc
layer.removeSelection()
layer.select([feature_id])
else:
# Bring the rubberband to the cursor i.e. the clicked point
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.rubber_band.movePoint(point)
def canvasReleaseEvent(self, event):
if event.button() == Qt.LeftButton:
# Get coordinates
x = event.pos().x()
y = event.pos().y()
event_point = self.snapper_manager.get_event_point(event)
# Create point with snap reference
result = self.snapper_manager.snap_to_background_layers(
event_point)
point = None
if self.snapper_manager.result_is_valid():
point = self.snapper_manager.get_snapped_point(result)
# Create point with mouse cursor reference
if point is None:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
if self.point_1 is None:
self.point_1 = point
else:
self.point_2 = point
if self.point_1 is not None and self.point_2 is not None:
self.init_create_point_form(self.point_1, self.point_2)
elif event.button() == Qt.RightButton:
self.cancel_map_tool()
self.iface.setActiveLayer(self.current_layer)
if self.layer_points:
self.layer_points.commitChanges()
def canvasReleaseEvent(self, event):
if event.button() == Qt.LeftButton:
# Get coordinates
x = event.pos().x()
y = event.pos().y()
event_point = get_event_point(event)
# Create point with snap reference
result = snap_to_background_layers(event_point)
point = get_snapped_point(result)
# Create point with mouse cursor reference
if point is None:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.init_create_circle_form(point)
elif event.button() == Qt.RightButton:
self.iface.actionPan().trigger()
self.cancel_circle = True
self.cancel_map_tool()
self.iface.setActiveLayer(self.current_layer)
return
if self.layer_circle:
self.layer_circle.commitChanges()
def canvasReleaseEvent(self, event):
if event.button() == Qt.LeftButton:
# Get the click
x = event.pos().x()
y = event.pos().y()
try:
event_point = QPoint(x, y)
except (TypeError, KeyError):
self.iface.actionPan().trigger()
return
(retval, result) = self.snapper.snapToBackgroundLayers(event_point)
# Create point with snap reference
if result:
point = QgsPoint(result[0].snappedVertex)
# Create point with mouse cursor reference
else:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.init_create_circle_form(point)
elif event.button() == Qt.RightButton:
self.iface.actionPan().trigger()
self.cancel_circle = True
self.cancel_map_tool()
self.iface.setActiveLayer(self.current_layer)
return
if self.layer_circle:
self.layer_circle.commitChanges()
def canvasPressEvent(self, ev):
if ev.button() == Qt.LeftButton:
""" Add a new point to the rubber band """
worldPoint = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), ev.pos().x(), ev.pos().y())
self.rb.addPoint(worldPoint)
elif ev.button() == Qt.RightButton:
""" Send back the geometry to the calling class """
self.trigger.emit(self.rb.asGeometry())
def create_point(self, event):
x = event.pos().x()
y = event.pos().y()
try:
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y)
except(TypeError, KeyError):
self.iface.actionPan().trigger()
return False
return point
def screenToLayerCoords(self, screenPos, layer):
""" convert click position to CRS """
transform = self.plugin.canvas.getCoordinateTransform()
canvasPoint = QgsMapToPixel.toMapCoordinates(transform, screenPos.x(),
screenPos.y())
# Transform if required
layerEPSG = layer.crs().authid()
projectEPSG = self.plugin.canvas.mapRenderer().destinationCrs().authid(
)
if layerEPSG != projectEPSG:
renderer = self.plugin.canvas.mapRenderer()
layerPoint = renderer.mapToLayerCoordinates(layer, canvasPoint)
else:
layerPoint = canvasPoint
return layerPoint
def canvasPressEvent(self, event):
# on left click, we add a point
if event.button() == 1:
layer = self.canvas.currentLayer()
# if it is the start of a new trace, set the rubberband up
if not self.started:
if layer.geometryType() == 1:
self.isPolygon = False
if layer.geometryType() == 2:
self.isPolygon = True
self.rb = QgsRubberBand(self.canvas, layer.geometryType())
self.rb.setColor(QColor(255, 0, 0))
# declare, that are we going to work, now!
self.started = True
if layer is not None:
x = event.pos().x()
y = event.pos().y()
selPoint = QPoint(x, y)
# try to get something snapped
(retval,
result) = self.snapper.snapToBackgroundLayers(selPoint)
# the point we want to have, is either from snapping result
if result != []:
point = result[0].snappedVertex
# if we snapped something, it's either a vertex
if result[0].snappedVertexNr != -1:
self.firstTimeOnSegment = True
# or a point on a segment, so we have to declare, that a point on segment is found
else:
self.firstTimeOnSegment = False
# or its some point from out in the wild
else:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.firstTimeOnSegment = True
# bring the rubberband to the cursor i.e. the clicked point
self.rb.movePoint(point)
# and set a new point to go on with
self.appendPoint(point)
# try to remember that this point was on purpose i.e. clicked by the user
self.lastPointMustStay = True
self.firstTimeOnSegment = True
def canvasPressEvent(self, event):
''' On left click, we add a point '''
if event.button() == 1:
# layer = self.canvas.currentLayer()
layer = self.iface.activeLayer()
# Declare, that are we going to work
self.started = True
if layer <> None:
x = event.pos().x()
y = event.pos().y()
selPoint = QPoint(x,y)
# Check something snapped
(retval,result) = self.snapper.snapToBackgroundLayers(selPoint) #@UnusedVariable
# The point we want to have, is either from snapping result
if result <> []:
point = result[0].snappedVertex
# If we snapped something, it's either a vertex
if result[0].snappedVertexNr <> -1:
self.firstTimeOnSegment = True
# Or a point on a segment, so we have to declare, that a point on segment is found
else:
self.firstTimeOnSegment = False
# Or its some point from out in the wild
else:
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y)
self.firstTimeOnSegment = True
# Bring the rubberband to the cursor i.e. the clicked point
self.rubberBand.movePoint(point)
# Set a new point to go on with
self.appendPoint(point)
# Try to remember that this point was on purpose i.e. clicked by the user
self.lastPointMustStay = True
self.firstTimeOnSegment = True
def _move_event_snap_to_node(self, event_point, x, y):
""" Snap to node. First step: Any node selected """
# Make sure active layer is 'v_edit_node'
cur_layer = self.iface.activeLayer()
if cur_layer != self.layer_node:
self.iface.setActiveLayer(self.layer_node)
# Snapping
result = self.snapper_manager.snap_to_current_layer(event_point)
if result.isValid():
# Get the point and add marker on it
point = self.snapper_manager.add_marker(result, self.vertex_marker)
else:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
# Set a new point to go on with
if self.selected_action == 1:
self.rubber_band.movePoint(point)
def canvasReleaseEvent(self, event):
# with right click the digitizing is finished
if event.button() == 2:
layer = self.canvas.currentLayer()
x = event.pos().x()
y = event.pos().y()
if layer is not None and self.started:
selPoint = QPoint(x, y)
(retval,
result) = self.snapper.snapToBackgroundLayers(selPoint)
if result != []:
point = result[0].snappedVertex
else:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
# add this last point
self.appendPoint(QgsPoint(point))
self.sendGeometry()
def canvasReleaseEvent(self, event):
''' With right click the digitizing is finished '''
if event.button() == 2:
# layer = self.canvas.currentLayer()
layer = self.iface.activeLayer()
x = event.pos().x()
y = event.pos().y()
if layer <> None and self.started == True:
selPoint = QPoint(x,y)
(retval,result) = self.snapper.snapToBackgroundLayers(selPoint) #@UnusedVariable
if result <> []:
point = result[0].snappedVertex #@UnusedVariable
else:
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y) #@UnusedVariable
self.sendGeometry()
def canvasReleaseEvent(self, event):
if event.button() == Qt.LeftButton:
# Get the click
x = event.pos().x()
y = event.pos().y()
try:
event_point = QPoint(x, y)
except(TypeError, KeyError):
self.iface.actionPan().trigger()
return
(retval, result) = self.snapper.snapToBackgroundLayers(event_point) # @UnusedVariable
# Create point with snap reference
if result:
point = QgsPoint(result[0].snappedVertex)
# Create point with mouse cursor reference
else:
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y)
self.init_create_circle_form()
if not self.cancel_circle:
feature = QgsFeature()
feature.setGeometry(QgsGeometry.fromPoint(point).buffer(float(self.radius), 100))
provider = self.virtual_layer_polygon.dataProvider()
self.virtual_layer_polygon.startEditing()
provider.addFeatures([feature])
else:
self.iface.actionPan().trigger()
self.cancel_circle = False
return
elif event.button() == Qt.RightButton:
self.cancel_map_tool()
self.iface.setActiveLayer(self.current_layer)
if self.virtual_layer_polygon:
self.virtual_layer_polygon.commitChanges()
def canvasMoveEvent(self, event):
# QgsMessageLog.logMessage('fts: '+str(self.firstTimeOnSegment), 'state', 0)
# QgsMessageLog.logMessage('lpc: '+str(self.lastPointMustStay), 'state', 0)
if self.started:
# Get the click
x = event.pos().x()
y = event.pos().y()
eventPoint = QPoint(x, y)
# only if the ctrl key is pressed
if self.mCtrl:
layer = self.canvas.currentLayer()
if layer is not None:
(retval,
result) = self.snapper.snapToBackgroundLayers(eventPoint)
# so if we have found a snapping
if result != []:
# pydevd.settrace()
# that's the snapped point
point = QgsPoint(result[0].snappedVertex)
# if it is a vertex, not a point on a segment
if result[0].snappedVertexNr != -1:
self.rb.movePoint(point)
self.appendPoint(point)
self.lastPointMustStay = True
# the next point found, may be on a segment
self.firstTimeOnSegment = True
# we are on a segment
else:
self.rb.movePoint(point)
# if we are on a new segment, we add the point in any case
if self.firstTimeOnSegment:
self.appendPoint(point)
self.lastPointMustStay = True
self.firstTimeOnSegment = False
# if we are not on a new segemnt, we have to test, if this point is realy needed
else:
# but only if we have already enough points
# TODO: check if this is correct for lines also (they only need two points, to be vaild)
if self.rb.numberOfVertices() >= 3:
max = self.rb.numberOfVertices()
lastRbP = self.rb.getPoint(0, max - 2)
# QgsMessageLog.logMessage(str(self.rb.getPoint(0, max-1)), 'rb', 0)
nextToLastRbP = self.rb.getPoint(0, max - 3)
# QgsMessageLog.logMessage(str(self.rb.getPoint(0, max-2)), 'rb', 0)
# QgsMessageLog.logMessage(str(point), 'rb', 0)
if not self.pointOnLine(
lastRbP, nextToLastRbP,
QgsPoint(point)):
self.appendPoint(point)
self.lastPointMustStay = False
else:
# TODO: schauen, ob der letzte punkt ein klick war, dann nicht löschen. entsrpechend auch die "punkt auf linie" neu berechenen.
if not self.lastPointMustStay:
self.rb.removeLastPoint()
self.rb.movePoint(point)
# QgsMessageLog.logMessage('point removed', 'click', 0)
# else:
# QgsMessageLog.logMessage('sleep', 'rb', 0)
else:
self.appendPoint(point)
self.lastPointMustStay = False
self.firstTimeOnSegment = False
else:
# if nothing specials happens, just update the rubberband to the cursor position
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.rb.movePoint(point)
else:
# in "not-tracing" state, just update the rubberband to the cursor position
# but we have still to snap to act like the "normal" digitize tool
(retval,
result) = self.snapper.snapToBackgroundLayers(eventPoint)
if result != []:
point = QgsPoint(result[0].snappedVertex)
else:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.rb.movePoint(point)
def init_config_form(self):
""" Custom form initial configuration """
# Get last point clicked on canvas
last_click = self.canvas.mouseLastXY()
self.last_point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), last_click.x(),
last_click.y())
# Define class variables
self.filter = self.field_id + " = '" + str(self.id) + "'"
emit_point = QgsMapToolEmitPoint(self.canvas)
# Get user permisions
role_basic = self.controller.check_role_user("role_basic")
# Get widget controls
self.tab_main = self.dialog.findChild(QTabWidget, "tab_main")
self.tbl_element = self.dialog.findChild(QTableView, "tbl_element")
self.tbl_document = self.dialog.findChild(QTableView, "tbl_document")
self.tbl_event_element = self.dialog.findChild(QTableView,
"tbl_event_element")
self.tbl_event = self.dialog.findChild(QTableView, "tbl_event_node")
self.tbl_scada = self.dialog.findChild(QTableView, "tbl_scada")
self.tbl_scada_value = self.dialog.findChild(QTableView,
"tbl_scada_value")
self.tbl_costs = self.dialog.findChild(QTableView, "tbl_masterplan")
self.nodecat_id = self.dialog.findChild(QLineEdit, 'nodecat_id')
state_type = self.dialog.findChild(QComboBox, 'state_type')
dma_id = self.dialog.findChild(QComboBox, 'dma_id')
# Tables
self.tbl_upstream = self.dialog.findChild(QTableView, "tbl_upstream")
self.tbl_upstream.setSelectionBehavior(QAbstractItemView.SelectRows)
self.tbl_downstream = self.dialog.findChild(QTableView,
"tbl_downstream")
self.tbl_downstream.setSelectionBehavior(QAbstractItemView.SelectRows)
self.dialog.findChild(QPushButton, "btn_catalog").clicked.connect(
partial(self.catalog, self.dialog, 'ud', 'node'))
# New Workcat
# self.dialog.findChild(QPushButton, "btn_new_workcat").clicked.connect(partial(self.cf_new_workcat, self.dialog))
self.tbl_upstream.doubleClicked.connect(
partial(self.open_up_down_stream, self.tbl_upstream))
self.tbl_downstream.doubleClicked.connect(
partial(self.open_up_down_stream, self.tbl_downstream))
feature = self.feature
layer = self.iface.activeLayer()
action_copypaste = self.dialog.findChild(QAction, "actionCopyPaste")
layer.editingStarted.connect(
partial(self.enabled_actions, action_copypaste, True))
layer.editingStopped.connect(
partial(self.enabled_actions, action_copypaste, False))
action_rotation = self.dialog.findChild(QAction, "actionRotation")
layer.editingStarted.connect(
partial(self.enabled_actions, action_rotation, True))
layer.editingStopped.connect(
partial(self.enabled_actions, action_rotation, False))
action_interpolate = self.dialog.findChild(QAction,
"actionInterpolate")
layer.editingStarted.connect(
partial(self.enabled_actions, action_interpolate, True))
layer.editingStopped.connect(
partial(self.enabled_actions, action_interpolate, False))
self.dialog.destroyed.connect(partial(self.dlg_destroyed, layer=layer))
# Toolbar actions
action = self.dialog.findChild(QAction, "actionEnabled")
self.dialog.findChild(QAction,
"actionCopyPaste").setEnabled(layer.isEditable())
self.dialog.findChild(QAction,
"actionRotation").setEnabled(layer.isEditable())
self.dialog.findChild(QAction, "actionInterpolate").setEnabled(
layer.isEditable())
self.dialog.findChild(QAction, "actionZoom").triggered.connect(
partial(self.action_zoom_in, self.feature, self.canvas,
self.layer))
self.dialog.findChild(QAction, "actionCentered").triggered.connect(
partial(self.action_centered, self.feature, self.canvas,
self.layer))
if not role_basic:
action.setChecked(layer.isEditable())
layer.editingStarted.connect(
partial(self.check_actions, action, True))
layer.editingStopped.connect(
partial(self.check_actions, action, False))
self.dialog.findChild(QAction, "actionEnabled").triggered.connect(
partial(self.action_enabled, action, self.layer))
else:
action.setEnabled(False)
self.dialog.findChild(QAction, "actionZoomOut").triggered.connect(
partial(self.action_zoom_out, self.feature, self.canvas,
self.layer))
self.dialog.findChild(QAction, "actionRotation").triggered.connect(
self.action_rotation)
self.dialog.findChild(QAction, "actionCopyPaste").triggered.connect(
partial(self.action_copy_paste, self.geom_type))
self.dialog.findChild(QAction, "actionLink").triggered.connect(
partial(self.check_link, self.dialog, True))
self.dialog.findChild(QAction, "actionHelp").triggered.connect(
partial(self.action_help, 'ud', 'node'))
self.dialog.findChild(QAction, "actionInterpolate").triggered.connect(
partial(self.activate_snapping, emit_point))
widget_ymax = self.dialog.findChild(QLineEdit, 'ymax')
if widget_ymax is not None:
widget_ymax.textChanged.connect(
partial(self.compare_depth, widget_ymax, False))
widget_ymax.lostFocus.connect(
partial(self.compare_depth, widget_ymax, True))
# Manage tab 'Scada'
self.manage_tab_scada()
# Check if exist URL from field 'link' in main tab
self.check_link(self.dialog)
# Check topology for new features
continue_insert = True
node_over_node = True
check_topology_node = self.controller.plugin_settings_value(
"check_topology_node", "0")
check_topology_arc = self.controller.plugin_settings_value(
"check_topology_arc", "0")
# Check if feature has geometry object
geometry = self.feature.geometry()
if geometry:
if self.id.upper() == 'NULL' and check_topology_node == "0":
self.get_topology_parameters()
(continue_insert, node_over_node) = self.check_topology_node()
if continue_insert and not node_over_node:
if self.id.upper() == 'NULL' and check_topology_arc == "0":
self.check_topology_arc()
# Create thread
thread1 = Thread(self, self.controller, 3)
thread1.start()
self.filter = "node_id = '" + str(self.id) + "'"
table_name = self.controller.schema_name + ".v_ui_node_x_connection_upstream"
self.fill_table(self.tbl_upstream, table_name, self.filter)
self.set_configuration(self.tbl_upstream,
"v_ui_node_x_connection_upstream")
table_name = self.controller.schema_name + ".v_ui_node_x_connection_downstream"
self.fill_table(self.tbl_downstream, table_name, self.filter)
self.set_configuration(self.tbl_downstream,
"v_ui_node_x_connection_downstream")
# Manage tab signal
self.tab_connections_loaded = False
self.tab_element_loaded = False
self.tab_document_loaded = False
self.tab_om_loaded = False
self.tab_scada_loaded = False
self.tab_cost_loaded = False
self.tab_custom_fields_loaded = False
self.tab_main.currentChanged.connect(self.tab_activation)
# Load default settings
widget_id = self.dialog.findChild(QLineEdit, 'node_id')
if utils_giswater.getWidgetText(self.dialog,
widget_id).lower() == 'null':
self.load_default(self.dialog, "node")
self.load_type_default(self.dialog, "nodecat_id",
"nodecat_vdefault")
self.load_state_type(self.dialog, state_type, self.geom_type)
self.load_dma(self.dialog, dma_id, self.geom_type)
def canvasMoveEvent(self, event):
""" Mouse movement event """
# Hide marker
self.vertex_marker.hide()
try:
# Get current mouse coordinates
x = event.pos().x()
y = event.pos().y()
event_point = QPoint(x, y)
except (TypeError, KeyError):
self.set_action_pan()
return
# Snap to node
if self.snapped_feat is None:
# Make sure active layer is 'v_edit_node'
cur_layer = self.iface.activeLayer()
if cur_layer != self.layer_node:
self.iface.setActiveLayer(self.layer_node)
# Snapping
(retval,
result) = self.snapper.snapToCurrentLayer(event_point,
2) #@UnusedVariable
# That's the snapped features
if result:
# Get the point and add marker on it
point = QgsPoint(result[0].snappedVertex)
self.vertex_marker.setCenter(point)
self.vertex_marker.show()
# Set a new point to go on with
self.rubber_band.movePoint(point)
else:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.rubber_band.movePoint(point)
# Snap to arc
else:
# Make sure active layer is 'v_edit_arc'
cur_layer = self.iface.activeLayer()
if cur_layer != self.layer_arc:
self.iface.setActiveLayer(self.layer_arc)
# Snapping
(retval,
result) = self.snapper.snapToCurrentLayer(event_point,
2) #@UnusedVariable
if result and result[0].snappedVertexNr == -1:
point = QgsPoint(result[0].snappedVertex)
# Set marker
self.vertex_marker.setIconType(QgsVertexMarker.ICON_CROSS)
self.vertex_marker.setCenter(point)
self.vertex_marker.show()
# Select the arc
result[0].layer.removeSelection()
result[0].layer.select([result[0].snappedAtGeometry])
# Bring the rubberband to the cursor i.e. the clicked point
self.rubber_band.movePoint(point)
else:
# Bring the rubberband to the cursor i.e. the clicked point
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.rubber_band.movePoint(point)
def canvasMoveEvent(self, event):
# Hide highlight
self.vertexMarker.hide()
# Get the click
x = event.pos().x()
y = event.pos().y()
eventPoint = QPoint(x,y)
# Snapping
(retval,result) = self.snapper.snapToBackgroundLayers(eventPoint) #@UnusedVariable
# That's the snapped point
if result <> []:
point = QgsPoint(result[0].snappedVertex)
# Add marker
self.vertexMarker.setCenter(point)
self.vertexMarker.show()
# Check tracing
if self.started:
# Only if the ctrl key is pressed
if self.mCtrl == True:
# So if we have found a snapping
if result <> []:
# If it is a vertex, not a point on a segment
if result[0].snappedVertexNr <> -1:
self.rubberBand.movePoint(point)
self.appendPoint(point)
self.lastPointMustStay = True
# The next point found, may be on a segment
self.firstTimeOnSegment = True
# We are on a segment
else:
self.rubberBand.movePoint(point)
# If we are on a new segment, we add the point in any case
if self.firstTimeOnSegment:
self.appendPoint(point)
self.lastPointMustStay = True
self.firstTimeOnSegment = False
# if we are not on a new segment, we have to test, if this point is really needed
else:
# but only if we have already enough points
if self.rubberBand.numberOfVertices() >=3:
num_vertexs = self.rubberBand.numberOfVertices()
lastRbP = self.rubberBand.getPoint(0, num_vertexs-2)
nextToLastRbP = self.rubberBand.getPoint(0, num_vertexs-3)
if not self.pointOnLine(lastRbP, nextToLastRbP, QgsPoint(point)):
self.appendPoint(point)
self.lastPointMustStay = False
else:
if not self.lastPointMustStay:
self.rubberBand.removeLastPoint()
self.rubberBand.movePoint(point)
else:
self.appendPoint(point)
self.lastPointMustStay = False
self.firstTimeOnSegment = False
else:
#if nothing specials happens, just update the rubberband to the cursor position
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform (), x, y)
self.rubberBand.movePoint(point)
else:
''' In "not-tracing" state, just update the rubberband to the cursor position
but we have still to snap to act like the "normal" digitize tool '''
if result <> []:
point = QgsPoint(result[0].snappedVertex)
# Add marker
self.vertexMarker.setCenter(point)
self.vertexMarker.show()
else:
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y)
self.rubberBand.movePoint(point)
def canvasMoveEvent(self, event):
''' Mouse movement event '''
# Hide highlight
self.vertexMarker.hide()
# Get the click
x = event.pos().x()
y = event.pos().y()
eventPoint = QPoint(x,y)
# Node layer
layer = self.canvas.currentLayer()
if layer is None:
return
# Select node or arc
if layer.selectedFeatureCount() == 0:
# Snap to node
(retval,result) = self.snapper.snapToBackgroundLayers(eventPoint) #@UnusedVariable
# That's the snapped point
if result <> [] and (result[0].layer.name() == self.layer_node.name()):
point = QgsPoint(result[0].snappedVertex)
# Add marker
self.vertexMarker.setColor(QColor(0, 255, 0))
self.vertexMarker.setCenter(point)
self.vertexMarker.show()
# Set a new point to go on with
#self.appendPoint(point)
self.rubberBand.movePoint(point)
else:
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y)
self.rubberBand.movePoint(point)
else:
# Snap to arc
result = []
(retval,result) = self.snapper.snapToBackgroundLayers(eventPoint) #@UnusedVariable
# That's the snapped point
if (result <> []) and (result[0].layer.name() == self.layer_arc.name()) and (result[0].snappedVertexNr == -1):
point = QgsPoint(result[0].snappedVertex)
# Add marker
self.vertexMarker.setColor(QColor(255, 0, 0))
self.vertexMarker.setCenter(point)
self.vertexMarker.show()
# Select the arc
self.layer_arc.removeSelection()
self.layer_arc.select([result[0].snappedAtGeometry])
# Bring the rubberband to the cursor i.e. the clicked point
self.rubberBand.movePoint(point)
else:
# Bring the rubberband to the cursor i.e. the clicked point
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y)
self.rubberBand.movePoint(point)
def canvasMoveEvent(self, event):
""" Mouse movement event """
# Hide marker
self.vertex_marker.hide()
# Get the click
x = event.pos().x()
y = event.pos().y()
#Plugin reloader bug, MapTool should be deactivated
try:
event_point = QPoint(x, y)
except (TypeError, KeyError):
self.set_action_pan()
return
# Select node or arc
if self.snapped_feat == None:
# Snap to node
(retval, result) = self.snapper.snapToBackgroundLayers(
event_point) #@UnusedVariable
if result:
# Check if feature belongs to 'node' group
exist = self.snapper_manager.check_node_group(result[0].layer)
if exist:
point = QgsPoint(result[0].snappedVertex)
# Set marker
self.vertex_marker.setIconType(QgsVertexMarker.ICON_CIRCLE)
self.vertex_marker.setCenter(point)
self.vertex_marker.show()
# Set a new point to go on with
self.rubber_band.movePoint(point)
else:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.rubber_band.movePoint(point)
else:
# Snap to arc
(retval, result) = self.snapper.snapToBackgroundLayers(
event_point) #@UnusedVariable
if result and result[0].snappedVertexNr == -1:
# Check if feature belongs to 'arc' group
exist = self.snapper_manager.check_arc_group(result[0].layer)
if exist:
point = QgsPoint(result[0].snappedVertex)
# Set marker
self.vertex_marker.setIconType(QgsVertexMarker.ICON_X)
self.vertex_marker.setCenter(point)
self.vertex_marker.show()
# Select the arc
result[0].layer.removeSelection()
result[0].layer.select([result[0].snappedAtGeometry])
# Bring the rubberband to the cursor i.e. the clicked point
self.rubber_band.movePoint(point)
else:
# Bring the rubberband to the cursor i.e. the clicked point
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.rubber_band.movePoint(point)
def canvasMoveEvent(self, ev):
worldPoint = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), ev.pos().x(), ev.pos().y())
self.rb.movePoint(worldPoint)
