#!/usr/bin/env python
# -*- coding: utf-8 -*-
#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
#based on the plcopen standard.
#
#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
#See COPYING file for copyrights details.
#
#This library is free software; you can redistribute it and/or
#modify it under the terms of the GNU General Public
#License as published by the Free Software Foundation; either
#version 2.1 of the License, or (at your option) any later version.
#
#This library is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
#General Public License for more details.
#
#You should have received a copy of the GNU General Public
#License along with this library; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from types import *
import wx
from Viewer import *
class SFC_Viewer(Viewer):
def __init__(self, parent, tagname, window, controler, debug = False, instancepath = ""):
Viewer.__init__(self, parent, tagname, window, controler, debug, instancepath)
self.CurrentLanguage = "SFC"
def ConnectConnectors(self, start, end):
startpoint = [start.GetPosition(False), start.GetDirection()]
endpoint = [end.GetPosition(False), end.GetDirection()]
wire = Wire(self, startpoint, endpoint)
self.AddWire(wire)
start.Connect((wire, 0), False)
end.Connect((wire, -1), False)
wire.ConnectStartPoint(None, start)
wire.ConnectEndPoint(None, end)
return wire
def CreateTransition(self, connector, next = None):
previous = connector.GetParentBlock()
id = self.GetNewId()
transition = SFC_Transition(self, "reference", "", 0, id)
pos = connector.GetPosition(False)
transition.SetPosition(pos.x, pos.y + SFC_WIRE_MIN_SIZE)
transition_connectors = transition.GetConnectors()
wire = self.ConnectConnectors(transition_connectors["input"], connector)
if isinstance(previous, SFC_Divergence):
previous.RefreshConnectedPosition(connector)
else:
previous.RefreshOutputPosition()
wire.SetPoints([wx.Point(pos.x, pos.y + GetWireSize(previous)), wx.Point(pos.x, pos.y)])
self.AddBlock(transition)
self.Controler.AddEditedElementTransition(self.TagName, id)
self.RefreshTransitionModel(transition)
if next:
wire = self.ConnectConnectors(next, transition_connectors["output"])
pos = transition_connectors["output"].GetPosition(False)
next_block = next.GetParentBlock()
next_pos = next.GetPosition(False)
transition.RefreshOutputPosition((0, pos.y + SFC_WIRE_MIN_SIZE - next_pos.y))
wire.SetPoints([wx.Point(pos.x, pos.y + SFC_WIRE_MIN_SIZE), wx.Point(pos.x, pos.y)])
if isinstance(next_block, SFC_Divergence):
next_block.RefreshPosition()
transition.RefreshOutputModel(True)
return transition
def RemoveTransition(self, transition):
connectors = transition.GetConnectors()
input_wires = connectors["input"].GetWires()
if len(input_wires) != 1:
return
input_wire = input_wires[0][0]
previous = input_wire.EndConnected
input_wire.Clean()
self.RemoveWire(input_wire)
output_wires = connectors["output"].GetWires()
if len(output_wires) != 1:
return
output_wire = output_wires[0][0]
next = output_wire.StartConnected
output_wire.Clean()
self.RemoveWire(output_wire)
transition.Clean()
self.RemoveBlock(transition)
self.Controler.RemoveEditedElementInstance(self.TagName, transition.GetId())
wire = self.ConnectConnectors(next, previous)
return wire
def CreateStep(self, name, connector, next = None):
previous = connector.GetParentBlock()
id = self.GetNewId()
step = SFC_Step(self, name, False, id)
if next:
step.AddOutput()
min_width, min_height = step.GetMinSize()
pos = connector.GetPosition(False)
step.SetPosition(pos.x, pos.y + SFC_WIRE_MIN_SIZE)
step.SetSize(min_width, min_height)
step_connectors = step.GetConnectors()
wire = self.ConnectConnectors(step_connectors["input"], connector)
if isinstance(previous, SFC_Divergence):
previous.RefreshConnectedPosition(connector)
else:
previous.RefreshOutputPosition()
wire.SetPoints([wx.Point(pos.x, pos.y + GetWireSize(previous)), wx.Point(pos.x, pos.y)])
self.AddBlock(step)
self.Controler.AddEditedElementStep(self.TagName, id)
self.RefreshStepModel(step)
if next:
wire = self.ConnectConnectors(next, step_connectors["output"])
pos = step_connectors["output"].GetPosition(False)
next_block = next.GetParentBlock()
next_pos = next.GetPosition(False)
step.RefreshOutputPosition((0, pos.y + SFC_WIRE_MIN_SIZE - next_pos.y))
wire.SetPoints([wx.Point(pos.x, pos.y + SFC_WIRE_MIN_SIZE), wx.Point(pos.x, pos.y)])
if isinstance(next_block, SFC_Divergence):
next_block.RefreshPosition()
step.RefreshOutputModel(True)
return step
def RemoveStep(self, step):
connectors = step.GetConnectors()
if connectors["input"]:
input_wires = connectors["input"].GetWires()
if len(input_wires) != 1:
return
input_wire = input_wires[0][0]
previous = input_wire.EndConnected
input_wire.Clean()
self.RemoveWire(input_wire)
else:
previous = None
if connectors["output"]:
output_wires = connectors["output"].GetWires()
if len(output_wires) != 1:
return
output_wire = output_wires[0][0]
next = output_wire.StartConnected
output_wire.Clean()
self.RemoveWire(output_wire)
else:
next = None
action = step.GetActionConnected()
if action:
self.DeleteActionBlock(action.GetParentBlock())
step.Clean()
self.RemoveBlock(step)
self.Controler.RemoveEditedElementInstance(self.TagName, step.GetId())
if next and previous:
wire = self.ConnectConnectors(next, previous)
return wire
else:
return None
#-------------------------------------------------------------------------------
# Mouse event functions
#-------------------------------------------------------------------------------
def OnViewerLeftDown(self, event):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.OnViewerLeftDown(self, event)
elif self.Mode == MODE_SELECTION:
if event.ShiftDown() and not event.ControlDown() and self.SelectedElement is not None:
element = self.FindElement(event, True)
if element and not self.IsWire(element):
if isinstance(self.SelectedElement, Graphic_Group):
self.SelectedElement.SelectElement(element)
else:
group = Graphic_Group(self)
self.SelectedElement.SetSelected(False)
group.SelectElement(self.SelectedElement)
group.SelectElement(element)
self.SelectedElement = group
elements = self.SelectedElement.GetElements()
if len(elements) == 0:
self.SelectedElement = element
elif len(elements) == 1:
self.SelectedElement = elements[0]
self.SelectedElement.SetSelected(True)
else:
element = self.FindElement(event)
if self.SelectedElement and self.SelectedElement != element:
if self.IsWire(self.SelectedElement):
self.SelectedElement.SetSelectedSegment(None)
else:
self.SelectedElement.SetSelected(False)
self.SelectedElement = None
if element:
self.SelectedElement = element
self.SelectedElement.OnLeftDown(event, self.GetLogicalDC(), self.Scaling)
self.SelectedElement.Refresh()
else:
self.rubberBand.Reset()
self.rubberBand.OnLeftDown(event, self.GetLogicalDC(), self.Scaling)
elif self.Mode == MODE_COMMENT:
self.rubberBand.Reset()
self.rubberBand.OnLeftDown(event, self.GetLogicalDC(), self.Scaling)
event.Skip()
def OnViewerLeftUp(self, event):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.OnViewerLeftUp(self, event)
elif self.rubberBand.IsShown():
if self.Mode == MODE_SELECTION:
elements = self.SearchElements(self.rubberBand.GetCurrentExtent())
self.rubberBand.OnLeftUp(event, self.GetLogicalDC(), self.Scaling)
if len(elements) > 0:
self.SelectedElement = Graphic_Group(self)
self.SelectedElement.SetElements(elements)
self.SelectedElement.SetSelected(True)
elif self.Mode == MODE_COMMENT:
bbox = self.rubberBand.GetCurrentExtent()
self.rubberBand.OnLeftUp(event, self.GetLogicalDC(), self.Scaling)
wx.CallAfter(self.AddComment, bbox)
elif self.Mode == MODE_INITIALSTEP:
wx.CallAfter(self.AddInitialStep, GetScaledEventPosition(event, self.GetLogicalDC(), self.Scaling))
elif self.Mode == MODE_SELECTION and self.SelectedElement:
if self.IsWire(self.SelectedElement):
self.SelectedElement.SetSelectedSegment(0)
else:
self.SelectedElement.OnLeftUp(event, self.GetLogicalDC(), self.Scaling)
self.SelectedElement.Refresh()
wx.CallAfter(self.SetCurrentCursor, 0)
elif self.Mode == MODE_WIRE and self.SelectedElement:
self.SelectedElement.ResetPoints()
self.SelectedElement.OnMotion(event, self.GetLogicalDC(), self.Scaling)
self.SelectedElement.GeneratePoints()
self.SelectedElement.RefreshModel()
self.SelectedElement.SetSelected(True)
event.Skip()
def OnViewerRightUp(self, event):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.OnViewerRightUp(self, event)
else:
element = self.FindElement(event)
if element:
if self.SelectedElement and self.SelectedElement != element:
self.SelectedElement.SetSelected(False)
self.SelectedElement = element
if self.IsWire(self.SelectedElement):
self.SelectedElement.SetSelectedSegment(0)
else:
self.SelectedElement.SetSelected(True)
self.SelectedElement.OnRightUp(event, self.GetLogicalDC(), self.Scaling)
self.SelectedElement.Refresh()
wx.CallAfter(self.SetCurrentCursor, 0)
event.Skip()
def OnViewerLeftDClick(self, event):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.OnViewerLeftDClick(self, event)
elif self.Mode == MODE_SELECTION and self.SelectedElement:
self.SelectedElement.OnLeftDClick(event, self.GetLogicalDC(), self.Scaling)
self.Refresh(False)
event.Skip()
def OnViewerMotion(self, event):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.OnViewerMotion(self, event)
else:
if self.rubberBand.IsShown():
self.rubberBand.OnMotion(event, self.GetLogicalDC(), self.Scaling)
elif self.Mode == MODE_SELECTION and self.SelectedElement:
if not self.IsWire(self.SelectedElement) and not isinstance(self.SelectedElement, Graphic_Group):
self.SelectedElement.OnMotion(event, self.GetLogicalDC(), self.Scaling)
self.SelectedElement.Refresh()
elif self.Mode == MODE_WIRE and self.SelectedElement:
self.SelectedElement.ResetPoints()
self.SelectedElement.OnMotion(event, self.GetLogicalDC(), self.Scaling)
self.SelectedElement.GeneratePoints()
self.SelectedElement.Refresh()
self.UpdateScrollPos(event)
event.Skip()
#-------------------------------------------------------------------------------
# Keyboard event functions
#-------------------------------------------------------------------------------
def OnChar(self, event):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.OnChar(self, event)
else:
xpos, ypos = self.GetScrollPos(wx.HORIZONTAL), self.GetScrollPos(wx.VERTICAL)
xmax = self.GetScrollRange(wx.HORIZONTAL) - self.GetScrollThumb(wx.HORIZONTAL)
ymax = self.GetScrollRange(wx.VERTICAL) - self.GetScrollThumb(wx.VERTICAL)
keycode = event.GetKeyCode()
if self.Scaling:
scaling = self.Scaling
else:
scaling = (8, 8)
if keycode == wx.WXK_DELETE and self.SelectedElement:
self.SelectedElement.Delete()
self.SelectedElement = None
self.RefreshBuffer()
self.RefreshScrollBars()
self.Refresh(False)
elif keycode == wx.WXK_LEFT:
if event.ControlDown() and event.ShiftDown():
self.Scroll(0, ypos)
elif event.ControlDown():
event.Skip()
elif self.SelectedElement:
self.SelectedElement.Move(-scaling[0], 0)
self.SelectedElement.RefreshModel()
self.RefreshBuffer()
self.RefreshScrollBars()
self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(-scaling[0], 0)), False)
elif keycode == wx.WXK_RIGHT:
if event.ControlDown() and event.ShiftDown():
self.Scroll(xmax, ypos)
elif event.ControlDown():
event.Skip()
elif self.SelectedElement:
self.SelectedElement.Move(scaling[0], 0)
self.SelectedElement.RefreshModel()
self.RefreshBuffer()
self.RefreshScrollBars()
self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(scaling[0], 0)), False)
elif keycode == wx.WXK_UP:
if event.ControlDown() and event.ShiftDown():
self.Scroll(xpos, 0)
elif event.ControlDown():
event.Skip()
elif self.SelectedElement:
self.SelectedElement.Move(0, -scaling[1])
self.SelectedElement.RefreshModel()
self.RefreshBuffer()
self.RefreshScrollBars()
self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(0, -scaling[1])), False)
elif keycode == wx.WXK_DOWN:
if event.ControlDown() and event.ShiftDown():
self.Scroll(xpos, ymax)
elif event.ControlDown():
event.Skip()
elif self.SelectedElement:
self.SelectedElement.Move(0, scaling[1])
self.SelectedElement.RefreshModel()
self.RefreshBuffer()
self.RefreshScrollBars()
self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(0, scaling[1])), False)
else:
event.Skip()
#-------------------------------------------------------------------------------
# Adding element functions
#-------------------------------------------------------------------------------
def AddInitialStep(self, pos):
dialog = SFCStepNameDialog(self.ParentWindow, _("Please enter step name"), _("Add a new initial step"), "", wx.OK|wx.CANCEL)
dialog.SetPouNames(self.Controler.GetProjectPouNames(self.Debug))
dialog.SetVariables(self.Controler.GetEditedElementInterfaceVars(self.TagName, self.Debug))
dialog.SetStepNames([block.GetName() for block in self.Blocks if isinstance(block, SFC_Step)])
if dialog.ShowModal() == wx.ID_OK:
id = self.GetNewId()
name = dialog.GetValue()
step = SFC_Step(self, name, True, id)
min_width, min_height = step.GetMinSize()
step.SetPosition(pos.x, pos.y)
width, height = step.GetSize()
step.SetSize(max(min_width, width), max(min_height, height))
self.AddBlock(step)
self.Controler.AddEditedElementStep(self.TagName, id)
self.RefreshStepModel(step)
self.RefreshBuffer()
self.RefreshScrollBars()
self.Refresh(False)
dialog.Destroy()
def AddStep(self):
if self.SelectedElement in self.Wires or isinstance(self.SelectedElement, SFC_Step):
dialog = SFCStepNameDialog(self.ParentWindow, _("Add a new step"), _("Please enter step name"), "", wx.OK|wx.CANCEL)
dialog.SetPouNames(self.Controler.GetProjectPouNames(self.Debug))
dialog.SetVariables(self.Controler.GetEditedElementInterfaceVars(self.TagName, self.Debug))
dialog.SetStepNames([block.GetName() for block in self.Blocks if isinstance(block, SFC_Step)])
if dialog.ShowModal() == wx.ID_OK:
name = dialog.GetValue()
if self.IsWire(self.SelectedElement):
self.SelectedElement.SetSelectedSegment(None)
previous = self.SelectedElement.EndConnected
next = self.SelectedElement.StartConnected
self.SelectedElement.Clean()
self.RemoveWire(self.SelectedElement)
else:
connectors = self.SelectedElement.GetConnectors()
if connectors["output"]:
previous = connectors["output"]
wires = previous.GetWires()
if len(wires) != 1:
return
wire = wires[0][0]
next = wire.StartConnected
wire.Clean()
self.RemoveWire(wire)
else:
self.SelectedElement.AddOutput()
connectors = self.SelectedElement.GetConnectors()
self.RefreshStepModel(self.SelectedElement)
previous = connectors["output"]
next = None
previous_block = previous.GetParentBlock()
if isinstance(previous_block, SFC_Step) or isinstance(previous_block, SFC_Divergence) and previous_block.GetType() in [SELECTION_DIVERGENCE, SELECTION_CONVERGENCE]:
transition = self.CreateTransition(previous)
transition_connectors = transition.GetConnectors()
step = self.CreateStep(name, transition_connectors["output"], next)
else:
step = self.CreateStep(name, previous)
step.AddOutput()
step.RefreshModel()
step_connectors = step.GetConnectors()
transition = self.CreateTransition(step_connectors["output"], next)
if self.IsWire(self.SelectedElement):
self.SelectedElement = wire
self.SelectedElement.SetSelectedSegment(0)
else:
self.SelectedElement.SetSelected(False)
self.SelectedElement = step
self.SelectedElement.SetSelected(True)
self.RefreshBuffer()
self.RefreshScrollBars()
self.Refresh(False)
dialog.Destroy()
def AddStepAction(self):
if isinstance(self.SelectedElement, SFC_Step):
connectors = self.SelectedElement.GetConnectors()
if not connectors["action"]:
dialog = ActionBlockDialog(self.ParentWindow)
dialog.SetQualifierList(self.Controler.GetQualifierTypes())
dialog.SetActionList(self.Controler.GetEditedElementActions(self.TagName, self.Debug))
dialog.SetVariableList(self.Controler.GetEditedElementInterfaceVars(self.TagName, self.Debug))
if dialog.ShowModal() == wx.ID_OK:
actions = dialog.GetValues()
self.SelectedElement.AddAction()
self.RefreshStepModel(self.SelectedElement)
connectors = self.SelectedElement.GetConnectors()
pos = connectors["action"].GetPosition(False)
id = self.GetNewId()
actionblock = SFC_ActionBlock(self, [], id)
actionblock.SetPosition(pos.x + SFC_WIRE_MIN_SIZE, pos.y - SFC_STEP_DEFAULT_SIZE[1] / 2)
actionblock_connector = actionblock.GetConnector()
wire = self.ConnectConnectors(actionblock_connector, connectors["action"])
wire.SetPoints([wx.Point(pos.x + SFC_WIRE_MIN_SIZE, pos.y), wx.Point(pos.x, pos.y)])
actionblock.SetActions(actions)
self.AddBlock(actionblock)
self.Controler.AddEditedElementActionBlock(self.TagName, id)
self.RefreshActionBlockModel(actionblock)
self.RefreshBuffer()
self.RefreshScrollBars()
self.Refresh(False)
dialog.Destroy()
def AddDivergence(self):
if self.SelectedElement in self.Wires or isinstance(self.SelectedElement, Graphic_Group) or isinstance(self.SelectedElement, SFC_Step):
dialog = SFCDivergenceDialog(self.ParentWindow)
dialog.SetPreviewFont(self.GetFont())
if dialog.ShowModal() == wx.ID_OK:
value = dialog.GetValues()
if value["type"] == SELECTION_DIVERGENCE:
if self.SelectedElement in self.Wires and isinstance(self.SelectedElement.EndConnected.GetParentBlock(), SFC_Step):
self.SelectedElement.SetSelectedSegment(None)
previous = self.SelectedElement.EndConnected
next = self.SelectedElement.StartConnected
self.SelectedElement.Clean()
self.RemoveWire(self.SelectedElement)
self.SelectedElement = None
elif isinstance(self.SelectedElement, SFC_Step):
connectors = self.SelectedElement.GetConnectors()
if connectors["output"]:
previous = connectors["output"]
wires = previous.GetWires()
if len(wires) != 1:
return
wire = wires[0][0]
next = wire.StartConnected
wire.Clean()
self.RemoveWire(wire)
else:
self.SelectedElement.AddOutput()
connectors = self.SelectedElement.GetConnectors()
self.RefreshStepModel(self.SelectedElement)
previous = connectors["output"]
next = None
else:
return
id = self.GetNewId()
divergence = SFC_Divergence(self, SELECTION_DIVERGENCE, value["number"], id)
pos = previous.GetPosition(False)
previous_block = previous.GetParentBlock()
wire_size = GetWireSize(previous_block)
divergence.SetPosition(pos.x, pos.y + wire_size)
divergence_connectors = divergence.GetConnectors()
wire = self.ConnectConnectors(divergence_connectors["inputs"][0], previous)
previous_block.RefreshOutputPosition()
wire.SetPoints([wx.Point(pos.x, pos.y + wire_size), wx.Point(pos.x, pos.y)])
self.AddBlock(divergence)
self.Controler.AddEditedElementDivergence(self.TagName, id, value["type"])
self.RefreshDivergenceModel(divergence)
for index, connector in enumerate(divergence_connectors["outputs"]):
if next:
wire = self.ConnectConnectors(next, connector)
pos = connector.GetPosition(False)
next_pos = next.GetPosition(False)
next_block = next.GetParentBlock()
divergence.RefreshOutputPosition((0, pos.y + SFC_WIRE_MIN_SIZE - next_pos.y))
divergence.RefreshConnectedPosition(connector)
wire.SetPoints([wx.Point(pos.x, pos.y + SFC_WIRE_MIN_SIZE), wx.Point(pos.x, pos.y)])
next_block.RefreshModel()
next = None
else:
transition = self.CreateTransition(connector)
transition_connectors = transition.GetConnectors()
step = self.CreateStep("Step", transition_connectors["output"])
elif value["type"] == SIMULTANEOUS_DIVERGENCE:
if self.SelectedElement in self.Wires and isinstance(self.SelectedElement.EndConnected.GetParentBlock(), SFC_Transition):
self.SelectedElement.SetSelectedSegment(None)
previous = self.SelectedElement.EndConnected
next = self.SelectedElement.StartConnected
self.SelectedElement.Clean()
self.RemoveWire(self.SelectedElement)
self.SelectedElement = None
elif isinstance(self.SelectedElement, SFC_Step):
connectors = self.SelectedElement.GetConnectors()
if connectors["output"]:
previous = connectors["output"]
wires = previous.GetWires()
if len(wires) != 1:
return
wire = wires[0][0]
next = wire.StartConnected
wire.Clean()
self.RemoveWire(wire)
else:
self.SelectedElement.AddOutput()
connectors = self.SelectedElement.GetConnectors()
self.RefreshStepModel(self.SelectedElement)
previous = connectors["output"]
next = None
transition = self.CreateTransition(previous)
transition_connectors = transition.GetConnectors()
previous = transition_connectors["output"]
else:
return
id = self.GetNewId()
divergence = SFC_Divergence(self, SIMULTANEOUS_DIVERGENCE, value["number"], id)
pos = previous.GetPosition(False)
previous_block = previous.GetParentBlock()
wire_size = GetWireSize(previous_block)
divergence.SetPosition(pos.x, pos.y + wire_size)
divergence_connectors = divergence.GetConnectors()
wire = self.ConnectConnectors(divergence_connectors["inputs"][0], previous)
previous_block.RefreshOutputPosition()
wire.SetPoints([wx.Point(pos.x, pos.y + wire_size), wx.Point(pos.x, pos.y)])
self.AddBlock(divergence)
self.Controler.AddEditedElementDivergence(self.TagName, id, value["type"])
self.RefreshDivergenceModel(divergence)
for index, connector in enumerate(divergence_connectors["outputs"]):
if next:
wire = self.ConnectConnectors(next, connector)
pos = connector.GetPosition(False)
next_pos = next.GetPosition(False)
next_block = next.GetParentBlock()
divergence.RefreshOutputPosition((0, pos.y + SFC_WIRE_MIN_SIZE - next_pos.y))
divergence.RefreshConnectedPosition(connector)
wire.SetPoints([wx.Point(pos.x, pos.y + SFC_WIRE_MIN_SIZE), wx.Point(pos.x, pos.y)])
next_block.RefreshModel()
next = None
else:
step = self.CreateStep("Step", connector)
elif isinstance(self.SelectedElement, Graphic_Group) and len(self.SelectedElement.GetElements()) > 1:
next = None
for element in self.SelectedElement.GetElements():
connectors = element.GetConnectors()
if not isinstance(element, SFC_Step) or connectors["output"] and next:
return
elif connectors["output"] and not next:
wires = connectors["output"].GetWires()
if len(wires) != 1:
return
if value["type"] == SELECTION_CONVERGENCE:
transition = wires[0][0].StartConnected.GetParentBlock()
transition_connectors = transition.GetConnectors()
wires = transition_connectors["output"].GetWires()
if len(wires) != 1:
return
wire = wires[0][0]
next = wire.StartConnected
wire.Clean()
self.RemoveWire(wire)
inputs = []
for input in self.SelectedElement.GetElements():
input_connectors = input.GetConnectors()
if not input_connectors["output"]:
input.AddOutput()
input.RefreshModel()
input_connectors = input.GetConnectors()
if value["type"] == SELECTION_CONVERGENCE:
transition = self.CreateTransition(input_connectors["output"])
transition_connectors = transition.GetConnectors()
inputs.append(transition_connectors["output"])
else:
inputs.append(input_connectors["output"])
elif value["type"] == SELECTION_CONVERGENCE:
wires = input_connectors["output"].GetWires()
transition = wires[0][0].StartConnected.GetParentBlock()
transition_connectors = transition.GetConnectors()
inputs.append(transition_connectors["output"])
else:
inputs.append(input_connectors["output"])
id = self.GetNewId()
divergence = SFC_Divergence(self, value["type"], len(inputs), id)
pos = inputs[0].GetPosition(False)
divergence.SetPosition(pos.x, pos.y + SFC_WIRE_MIN_SIZE)
divergence_connectors = divergence.GetConnectors()
for i, input in enumerate(inputs):
pos = input.GetPosition(False)
wire = self.ConnectConnectors(divergence_connectors["inputs"][i], input)
wire_size = GetWireSize(input)
wire.SetPoints([wx.Point(pos.x, pos.y + wire_size), wx.Point(pos.x, pos.y)])
input_block = input.GetParentBlock()
input_block.RefreshOutputPosition()
divergence.RefreshPosition()
pos = divergence_connectors["outputs"][0].GetRelPosition()
divergence.MoveConnector(divergence_connectors["outputs"][0], - pos.x)
self.AddBlock(divergence)
self.Controler.AddEditedElementDivergence(self.TagName, id, value["type"])
self.RefreshDivergenceModel(divergence)
if next:
wire = self.ConnectConnectors(next, divergence_connectors["outputs"][0])
pos = divergence_connectors["outputs"][0].GetPosition(False)
next_pos = next.GetPosition(False)
next_block = next.GetParentBlock()
divergence.RefreshOutputPosition((0, pos.y + SFC_WIRE_MIN_SIZE - next_pos.y))
divergence.RefreshConnectedPosition(divergence_connectors["outputs"][0])
wire.SetPoints([wx.Point(pos.x, pos.y + SFC_WIRE_MIN_SIZE), wx.Point(pos.x, pos.y)])
next_block.RefreshModel()
else:
if value["type"] == SELECTION_CONVERGENCE:
previous = divergence_connectors["outputs"][0]
else:
transition = self.CreateTransition(divergence_connectors["outputs"][0])
transition_connectors = transition.GetConnectors()
previous = transition_connectors["output"]
self.CreateStep("Step", previous)
self.RefreshBuffer()
self.RefreshScrollBars()
self.Refresh(False)
dialog.Destroy()
def AddDivergenceBranch(self, divergence):
if isinstance(divergence, SFC_Divergence):
if self.GetDrawingMode() == FREEDRAWING_MODE:
divergence.AddBranch()
self.RefreshDivergenceModel(divergence)
else:
type = divergence.GetType()
if type in [SELECTION_DIVERGENCE, SIMULTANEOUS_DIVERGENCE]:
divergence.AddBranch()
divergence_connectors = divergence.GetConnectors()
if type == SELECTION_DIVERGENCE:
transition = self.CreateTransition(divergence_connectors["outputs"][-1])
transition_connectors = transition.GetConnectors()
previous = transition_connectors["output"]
else:
previous = divergence_connectors["outputs"][-1]
step = self.CreateStep("Step", previous)
self.RefreshBuffer()
self.RefreshScrollBars()
self.Refresh(False)
def RemoveDivergenceBranch(self, divergence):
if isinstance(divergence, SFC_Divergence):
if self.GetDrawingMode() == FREEDRAWING_MODE:
divergence.RemoveHandledBranch()
self.RefreshDivergenceModel(divergence)
self.RefreshBuffer()
self.RefreshScrollBars()
self.Refresh(False)
def AddJump(self):
if isinstance(self.SelectedElement, SFC_Step) and not self.SelectedElement.Output:
choices = []
for block in self.Blocks:
if isinstance(block, SFC_Step):
choices.append(block.GetName())
dialog = wx.SingleChoiceDialog(self.ParentWindow,
_("Add a new jump"), _("Please choose a target"),
choices, wx.DEFAULT_DIALOG_STYLE|wx.OK|wx.CANCEL)
if dialog.ShowModal() == wx.ID_OK:
value = dialog.GetStringSelection()
self.SelectedElement.AddOutput()
self.RefreshStepModel(self.SelectedElement)
step_connectors = self.SelectedElement.GetConnectors()
transition = self.CreateTransition(step_connectors["output"])
transition_connectors = transition.GetConnectors()
id = self.GetNewId()
jump = SFC_Jump(self, value, id)
pos = transition_connectors["output"].GetPosition(False)
jump.SetPosition(pos.x, pos.y + SFC_WIRE_MIN_SIZE)
self.AddBlock(jump)
self.Controler.AddEditedElementJump(self.TagName, id)
jump_connector = jump.GetConnector()
wire = self.ConnectConnectors(jump_connector, transition_connectors["output"])
transition.RefreshOutputPosition()
wire.SetPoints([wx.Point(pos.x, pos.y + SFC_WIRE_MIN_SIZE), wx.Point(pos.x, pos.y)])
self.RefreshJumpModel(jump)
self.RefreshBuffer()
self.RefreshScrollBars()
self.Refresh(False)
dialog.Destroy()
def EditStepContent(self, step):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.EditStepContent(self, step)
else:
dialog = SFCStepNameDialog(self.ParentWindow, _("Edit step name"), _("Please enter step name"), step.GetName(), wx.OK|wx.CANCEL)
dialog.SetPouNames(self.Controler.GetProjectPouNames(self.Debug))
dialog.SetVariables(self.Controler.GetEditedElementInterfaceVars(self.TagName, self.Debug))
dialog.SetStepNames([block.GetName() for block in self.Blocks if isinstance(block, SFC_Step) and block.GetName() != step.GetName()])
if dialog.ShowModal() == wx.ID_OK:
value = dialog.GetValue()
step.SetName(value)
min_size = step.GetMinSize()
size = step.GetSize()
step.UpdateSize(max(min_size[0], size[0]), max(min_size[1], size[1]))
step.RefreshModel()
self.RefreshBuffer()
self.RefreshScrollBars()
self.Refresh(False)
dialog.Destroy()
#-------------------------------------------------------------------------------
# Delete element functions
#-------------------------------------------------------------------------------
def DeleteStep(self, step):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.DeleteStep(self, step)
else:
step_connectors = step.GetConnectors()
if not step.GetInitial() or not step_connectors["output"]:
previous = step.GetPreviousConnector()
if previous:
previous_block = previous.GetParentBlock()
else:
previous_block = None
next = step.GetNextConnector()
if next:
next_block = next.GetParentBlock()
else:
next_block = None
if isinstance(next_block, SFC_Transition):
self.RemoveTransition(next_block)
next = step.GetNextConnector()
if next:
next_block = next.GetParentBlock()
else:
next_block = None
elif isinstance(previous_block, SFC_Transition):
self.RemoveTransition(previous_block)
previous = step.GetPreviousConnector()
if previous:
previous_block = previous.GetParentBlock()
else:
previous_block = None
wire = self.RemoveStep(step)
self.SelectedElement = None
if next_block:
if isinstance(next_block, SFC_Divergence) and next_block.GetType() == SIMULTANEOUS_CONVERGENCE and isinstance(previous_block, SFC_Divergence) and previous_block.GetType() == SIMULTANEOUS_DIVERGENCE:
wire.Clean()
self.RemoveWire(wire)
next_block.RemoveBranch(next)
if next_block.GetBranchNumber() < 2:
self.DeleteDivergence(next_block)
else:
next_block.RefreshModel()
previous_block.RemoveBranch(previous)
if previous_block.GetBranchNumber() < 2:
self.DeleteDivergence(previous_block)
else:
previous_block.RefreshModel()
else:
pos = previous.GetPosition(False)
next_pos = next.GetPosition(False)
wire_size = GetWireSize(previous_block)
previous_block.RefreshOutputPosition((0, pos.y + wire_size - next_pos.y))
wire.SetPoints([wx.Point(pos.x, pos.y + wire_size), wx.Point(pos.x, pos.y)])
if isinstance(next_block, SFC_Divergence):
next_block.RefreshPosition()
previous_block.RefreshOutputModel(True)
else:
if isinstance(previous_block, SFC_Step):
previous_block.RemoveOutput()
self.RefreshStepModel(previous_block)
elif isinstance(previous_block, SFC_Divergence):
if previous_block.GetType() in [SELECTION_CONVERGENCE, SIMULTANEOUS_CONVERGENCE]:
self.DeleteDivergence(previous_block)
else:
previous_block.RemoveBranch(previous)
if previous_block.GetBranchNumber() < 2:
self.DeleteDivergence(previous_block)
else:
self.RefreshDivergenceModel(previous_block)
def DeleteTransition(self, transition):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.DeleteTransition(self, transition)
else:
previous = transition.GetPreviousConnector()
previous_block = previous.GetParentBlock()
next = transition.GetNextConnector()
next_block = next.GetParentBlock()
if isinstance(previous_block, SFC_Divergence) and previous_block.GetType() == SELECTION_DIVERGENCE and isinstance(next_block, SFC_Divergence) and next_block.GetType() == SELECTION_CONVERGENCE:
wires = previous.GetWires()
if len(wires) != 1:
return
wire = wires[0][0]
wire.Clean()
self.RemoveWire(wire)
wires = next.GetWires()
if len(wires) != 1:
return
wire = wires[0][0]
wire.Clean()
self.RemoveWire(wire)
transition.Clean()
self.RemoveBlock(transition)
self.Controler.RemoveEditedElementInstance(self.TagName, transition.GetId())
previous_block.RemoveBranch(previous)
if previous_block.GetBranchNumber() < 2:
self.DeleteDivergence(previous_block)
else:
self.RefreshDivergenceModel(previous_block)
next_block.RemoveBranch(next)
if next_block.GetBranchNumber() < 2:
self.DeleteDivergence(next_block)
else:
self.RefreshDivergenceModel(next_block)
def DeleteDivergence(self, divergence):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.DeleteDivergence(self, divergence)
else:
connectors = divergence.GetConnectors()
type = divergence.GetType()
if type in [SELECTION_CONVERGENCE, SIMULTANEOUS_CONVERGENCE]:
wires = connectors["outputs"][0].GetWires()
if len(wires) > 1:
return
elif len(wires) == 1:
next = wires[0][0].StartConnected
next_block = next.GetParentBlock()
wire = wires[0][0]
wire.Clean()
self.RemoveWire(wire)
else:
next = None
next_block = None
for index, connector in enumerate(connectors["inputs"]):
if next and index == 0:
wires = connector.GetWires()
wire = wires[0][0]
previous = wires[0][0].EndConnected
wire.Clean()
self.RemoveWire(wire)
else:
if type == SELECTION_CONVERGENCE:
wires = connector.GetWires()
previous_block = wires[0][0].EndConnected.GetParentBlock()
self.RemoveTransition(previous_block)
wires = connector.GetWires()
wire = wires[0][0]
previous_connector = wire.EndConnected
previous_block = previous_connector.GetParentBlock()
wire.Clean()
self.RemoveWire(wire)
if isinstance(previous_block, SFC_Step):
previous_block.RemoveOutput()
self.RefreshStepModel(previous_block)
elif isinstance(previous_block, SFC_Divergence):
if previous_block.GetType() in [SELECTION_DIVERGENCE, SIMULTANEOUS_DIVERGENCE]:
previous_block.RemoveBranch(previous_connector)
if previous_block.GetBranchNumber() < 2:
self.DeleteDivergence(previous_block)
else:
self.RefreshDivergenceModel(previous_block)
else:
self.DeleteDivergence(previous_block)
divergence.Clean()
self.RemoveBlock(divergence)
self.Controler.RemoveEditedElementInstance(self.TagName, divergence.GetId())
if next:
wire = self.ConnectConnectors(next, previous)
previous_block = previous.GetParentBlock()
previous_pos = previous.GetPosition(False)
next_pos = next.GetPosition(False)
wire_size = GetWireSize(previous_block)
previous_block.RefreshOutputPosition((0, previous_pos.y + wire_size - next_pos.y))
wire.SetPoints([wx.Point(previous_pos.x, previous_pos.y + wire_size),
wx.Point(previous_pos.x, previous_pos.y)])
if isinstance(next_block, SFC_Divergence):
next_block.RefreshPosition()
previous_block.RefreshOutputModel(True)
elif divergence.GetBranchNumber() == 1:
wires = connectors["inputs"][0].GetWires()
if len(wires) != 1:
return
wire = wires[0][0]
previous = wire.EndConnected
previous_block = previous.GetParentBlock()
wire.Clean()
self.RemoveWire(wire)
wires = connectors["outputs"][0].GetWires()
if len(wires) != 1:
return
wire = wires[0][0]
next = wire.StartConnected
next_block = next.GetParentBlock()
wire.Clean()
self.RemoveWire(wire)
divergence.Clean()
self.RemoveBlock(divergence)
self.Controler.RemoveEditedElementInstance(self.TagName, divergence.GetId())
wire = self.ConnectConnectors(next, previous)
previous_pos = previous.GetPosition(False)
next_pos = next.GetPosition(False)
wire_size = GetWireSize(previous_block)
previous_block.RefreshOutputPosition((previous_pos.x - next_pos.x, previous_pos.y + wire_size - next_pos.y))
wire.SetPoints([wx.Point(previous_pos.x, previous_pos.y + wire_size),
wx.Point(previous_pos.x, previous_pos.y)])
if isinstance(next_block, SFC_Divergence):
next_block.RefreshPosition()
previous_block.RefreshOutputModel(True)
def DeleteJump(self, jump):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.DeleteJump(self, jump)
else:
previous = jump.GetPreviousConnector()
previous_block = previous.GetParentBlock()
if isinstance(previous_block, SFC_Transition):
self.RemoveTransition(previous_block)
previous = jump.GetPreviousConnector()
if previous:
previous_block = previous.GetParentBlock()
else:
previous_block = None
wires = previous.GetWires()
if len(wires) != 1:
return
wire = wires[0][0]
wire.Clean()
self.RemoveWire(wire)
jump.Clean()
self.RemoveBlock(jump)
self.Controler.RemoveEditedElementInstance(self.TagName, jump.GetId())
if isinstance(previous_block, SFC_Step):
previous_block.RemoveOutput()
self.RefreshStepModel(previous_block)
elif isinstance(previous_block, SFC_Divergence):
if previous_block.GetType() in [SELECTION_CONVERGENCE, SIMULTANEOUS_CONVERGENCE]:
self.DeleteDivergence(previous_block)
else:
previous_block.RemoveBranch(previous)
if previous_block.GetBranchNumber() < 2:
self.DeleteDivergence(previous_block)
else:
previous_block.RefreshModel()
def DeleteActionBlock(self, actionblock):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.DeleteActionBlock(self, actionblock)
else:
connector = actionblock.GetConnector()
wires = connector.GetWires()
if len(wires) != 1:
return
wire = wires[0][0]
step = wire.EndConnected.GetParentBlock()
wire.Clean()
self.RemoveWire(wire)
actionblock.Clean()
self.RemoveBlock(actionblock)
self.Controler.RemoveEditedElementInstance(self.TagName, actionblock.GetId())
step.RemoveAction()
self.RefreshStepModel(step)
step.RefreshOutputPosition()
step.RefreshOutputModel(True)
def DeleteWire(self, wire):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.DeleteWire(self, wire)
#-------------------------------------------------------------------------------
# Model update functions
#-------------------------------------------------------------------------------
def RefreshBlockModel(self, block):
blockid = block.GetId()
infos = {}
infos["type"] = block.GetType()
infos["name"] = block.GetName()
infos["x"], infos["y"] = block.GetPosition()
infos["width"], infos["height"] = block.GetSize()
infos["connectors"] = block.GetConnectors()
self.Controler.SetEditedElementBlockInfos(self.TagName, blockid, infos)