def on_button_release(self,event): """ This handles and 'drag' part of any connection, after the on_button_press of this tool returns a True (i.e by clicking on an Line Handle) the on_button_release is triggered on mouse button release. Note that this handles both the new connections and modified connections. Hint: ConnectorTool is a child of this class. Uncommenting all the print statements should give a fair idea how this tool works. """ line = self.grabbed_item handle = self.grabbed_handle glueitem,glueport,gluepos = self.view.get_port_at_point((event.x,event.y),distance = 10,exclude = [line]) line = self.grabbed_item handle = self.grabbed_handle try: if glueport and hasattr(glueport,"point"): #print 'READY_CONNECTION_CHECK_PASSED_1' conn = Connector(line,handle) sink = ConnectionSink(glueitem,glueport) conn.connect_port(sink) self.ungrab_handle() #print 'READY_CONNECTION_CHECK_PASSED_2' except Exception as e: print 'Connection Failed, Disconnect/Connect the last Connection again: /n',e finally: self.toggle_highlight_ports() return super(BlockConnectTool, self).on_button_release(event)
def on_button_release(self, event):
"""
This handles and 'drag' part of any connection, after the
on_button_press of this tool returns a True (i.e by clicking on an
Line Handle) the on_button_release is triggered on mouse button release.
Note that this handles both the new connections and modified
connections.
Hint:
ConnectorTool is a child of this class.
Uncommenting all the print statements should give a fair idea how this
tool works.
"""
line = self.grabbed_item
handle = self.grabbed_handle
glueitem, glueport, gluepos = self.view.get_port_at_point(
(event.x, event.y), distance=10, exclude=[line])
line = self.grabbed_item
handle = self.grabbed_handle
try:
if glueport and hasattr(glueport, "point"):
#print 'READY_CONNECTION_CHECK_PASSED_1'
conn = Connector(line, handle)
sink = ConnectionSink(glueitem, glueport)
conn.connect_port(sink)
self.ungrab_handle()
#print 'READY_CONNECTION_CHECK_PASSED_2'
except Exception as e:
print 'Connection Failed, Disconnect/Connect the last Connection again: /n', e
finally:
self.toggle_highlight_ports()
return super(BlockConnectTool, self).on_button_release(event)
def on_button_press(self,event): glueitem,glueport,gluepos = self.view.get_port_at_point((event.x,event.y),distance = 10,exclude = []) line,handle = self.view.get_handle_at_point((event.x,event.y)) try: if glueport and hasattr(glueport,"point"): self.toggle_highlight_ports(glueport.portinstance) self.line = self._create_line((event.x, event.y)) self._new_item = self.line h_glue = self.line.handles()[self._handle_index_glued] conn = Connector(self.line,h_glue) sink = ConnectionSink(glueitem,glueport) conn.connect_port(sink) h_drag = self.line.handles()[self._handle_index_dragged] self.grab_handle(self.line,h_drag) return True except Exception as e: print 'Connection Failed, Disconnect/Connect the last Connection again: /n',e
def on_button_press(self, event):
glueitem, glueport, gluepos = self.view.get_port_at_point(
(event.x, event.y), distance=10, exclude=[])
line, handle = self.view.get_handle_at_point((event.x, event.y))
try:
if glueport and hasattr(glueport, "point"):
self.toggle_highlight_ports(glueport.portinstance)
self.line = self._create_line((event.x, event.y))
self._new_item = self.line
h_glue = self.line.handles()[self._handle_index_glued]
conn = Connector(self.line, h_glue)
sink = ConnectionSink(glueitem, glueport)
conn.connect_port(sink)
h_drag = self.line.handles()[self._handle_index_dragged]
self.grab_handle(self.line, h_drag)
return True
except Exception as e:
print 'Connection Failed, Disconnect/Connect the last Connection again: /n', e