PLCOpenEditor initial commit. 31/01/07.
#!/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): 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 Lesser 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
#Lesser General Public License for more details.
#
#You should have received a copy of the GNU Lesser 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 wxPython.wx import *
import wx
from types import *
from plcopen.structures import *
from graphics.GraphicCommons import *
from graphics.FBD_Objects import *
from Viewer import *
def ExtractNextBlocks(block, block_list):
current_list = [block]
while len(current_list) > 0:
next_list = []
for current in current_list:
connectors = current.GetConnectors()
input_connectors = []
if isinstance(current, LD_PowerRail) and current.GetType() == RIGHTRAIL:
input_connectors = connectors
else:
if "inputs" in connectors:
input_connectors = connectors["inputs"]
if "input" in connectors:
input_connectors = [connectors["input"]]
for connector in input_connectors:
for wire, handle in connector.GetWires():
next = wire.EndConnected.GetParentBlock()
if not isinstance(next, LD_PowerRail) and next not in block_list:
block_list.append(next)
next_list.append(next)
current_list = next_list
def CalcBranchSize(elements, stop):
branch_size = 0
stop_list = [stop]
ExtractNextBlocks(stop, stop_list)
element_tree = {}
for element in elements:
if element not in element_tree:
element_tree[element] = {"parents":["start"], "children":[], "weight":None}
GenerateTree(element, element_tree, stop_list)
elif element_tree[element]:
element_tree[element]["parents"].append("start")
for element, values in element_tree.items():
if values and values["children"] == ["stop"]:
CalcWeight(element, element_tree)
if values["weight"]:
branch_size += values["weight"]
else:
return 1
return branch_size
def RemoveElement(remove, element_tree):
if remove in element_tree and element_tree[remove]:
for child in element_tree[remove]["children"]:
if child != "stop":
RemoveElement(child, element_tree)
element_tree[remove] = None
def GenerateTree(element, element_tree, stop_list):
if element in element_tree:
connectors = element.GetConnectors()
input_connectors = []
if isinstance(element, LD_PowerRail) and element.GetType() == RIGHTRAIL:
input_connectors = connectors
else:
if "inputs" in connectors:
input_connectors = connectors["inputs"]
if "input" in connectors:
input_connectors = [connectors["input"]]
for connector in input_connectors:
for wire, handle in connector.GetWires():
next = wire.EndConnected.GetParentBlock()
if isinstance(next, LD_PowerRail) and next.GetType() == LEFTRAIL or next in stop_list:
for remove in element_tree[element]["children"]:
RemoveElement(remove, element_tree)
element_tree[element]["children"] = ["stop"]
elif element_tree[element]["children"] == ["stop"]:
element_tree[next] = None
elif next not in element_tree or element_tree[next]:
element_tree[element]["children"].append(next)
if next in element_tree:
element_tree[next]["parents"].append(element)
else:
element_tree[next] = {"parents":[element], "children":[], "weight":None}
GenerateTree(next, element_tree, stop_list)
def CalcWeight(element, element_tree):
weight = 0
parts = None
if element in element_tree:
for parent in element_tree[element]["parents"]:
if parent == "start":
weight += 1
elif parent in element_tree:
if not parts:
parts = len(element_tree[parent]["children"])
else:
parts = min(parts, len(element_tree[parent]["children"]))
if not element_tree[parent]["weight"]:
CalcWeight(parent, element_tree)
if element_tree[parent]["weight"]:
weight += element_tree[parent]["weight"]
else:
element_tree[element]["weight"] = None
return
else:
element_tree[element]["weight"] = None
return
if not parts:
parts = 1
element_tree[element]["weight"] = max(1, weight / parts)
#-------------------------------------------------------------------------------
# Ladder Diagram Graphic elements Viewer class
#-------------------------------------------------------------------------------
"""
Class derived from Viewer class that implements a Viewer of Ladder Diagram
"""
class LD_Viewer(Viewer):
def __init__(self, parent, window, controler):
Viewer.__init__(self, parent, window, controler)
self.Rungs = []
self.Comments = []
#-------------------------------------------------------------------------------
# Refresh functions
#-------------------------------------------------------------------------------
def RefreshView(self):
Viewer.RefreshView(self)
for i, rung in enumerate(self.Rungs):
bbox = rung.GetBoundingBox()
if i < len(self.Comments):
pos = self.Comments[i].GetPosition()
if pos[1] > bbox.y:
self.Comment.insert(i, None)
else:
self.Comment.insert(i, None)
def loadInstance(self, instance, ids):
Viewer.loadInstance(self, instance, ids)
if instance["type"] == "leftPowerRail":
element = self.FindElementById(instance["id"])
rung = Graphic_Group(self)
rung.SelectElement(element)
self.Rungs.append(rung)
elif instance["type"] == "rightPowerRail":
rungs = []
for connector in instance["connectors"]:
for link in connector["links"]:
connected = self.FindElementById(link["refLocalId"])
rung = self.FindRung(connected)
if rung not in rungs:
rungs.append(rung)
if len(rungs) > 1:
raise "ValueError", "Ladder element with id %d is on more than one rung."%instance["id"]
element = self.FindElementById(instance["id"])
self.Rungs[rungs[0]].SelectElement(element)
for connector in element.GetConnectors():
for wire, num in connector.GetWires():
self.Rungs[rungs[0]].SelectElement(wire)
self.RefreshPosition(element)
elif instance["type"] in ["contact", "coil"]:
rungs = []
for link in instance["connectors"]["input"]["links"]:
connected = self.FindElementById(link["refLocalId"])
rung = self.FindRung(connected)
if rung not in rungs:
rungs.append(rung)
if len(rungs) > 1:
raise "ValueError", "Ladder element with id %d is on more than one rung."%instance["id"]
element = self.FindElementById(instance["id"])
self.Rungs[rungs[0]].SelectElement(element)
for wire, num in element.GetConnectors()["input"].GetWires():
self.Rungs[rungs[0]].SelectElement(wire)
self.RefreshPosition(element)
elif instance["type"] == "comment":
element = self.FindElementById(instance["id"])
pos = element.GetPosition()
i = 0
inserted = False
while i < len(self.Comments) and not inserted:
ipos = self.Comments[i].GetPosition()
if pos[1] < ipos[1]:
self.Comments.insert(i, element)
inserted = True
i += 1
if not inserted:
self.Comments.append(element)
#-------------------------------------------------------------------------------
# Search Element functions
#-------------------------------------------------------------------------------
def FindRung(self, element):
for i, rung in enumerate(self.Rungs):
if rung.IsElementIn(element):
return i
return None
def FindElement(self, pos):
elements = []
for element in self.Elements:
if element.HitTest(pos) or element.TestHandle(pos) != (0, 0):
elements.append(element)
if len(elements) == 1:
return elements[0]
elif len(elements) > 1:
group = Graphic_Group(self)
for element in elements:
if element in self.Blocks:
return element
group.SelectElement(element)
return group
return None
def SearchElements(self, bbox):
elements = []
for element in self.Blocks:
element_bbox = element.GetBoundingBox()
if element_bbox.x >= bbox.x and element_bbox.y >= bbox.y and element_bbox.x + element_bbox.width <= bbox.x + bbox.width and element_bbox.y + element_bbox.height <= bbox.y + bbox.height:
elements.append(element)
return elements
#-------------------------------------------------------------------------------
# Mouse event functions
#-------------------------------------------------------------------------------
def OnViewerLeftDown(self, event):
if self.Mode == MODE_SELECTION:
pos = event.GetPosition()
element = self.FindElement(pos)
if self.SelectedElement:
if self.SelectedElement in self.Elements:
if self.SelectedElement != element:
if self.SelectedElement in self.Wires:
self.SelectedElement.SetSelectedSegment(None)
else:
self.SelectedElement.SetSelected(False)
else:
self.SelectedElement = None
elif element and element not in self.Elements:
if self.SelectedElement.GetElements() != element.GetElements():
for elt in self.SelectedElement.GetElements():
if elt in self.Wires:
elt.SetSelectedSegment(None)
self.SelectedElement.SetSelected(False)
self.SelectedElement = None
else:
for elt in self.SelectedElement.GetElements():
if elt in self.Wires:
elt.SetSelectedSegment(None)
self.SelectedElement.SetSelected(False)
self.SelectedElement = None
self.Refresh()
if element:
self.SelectedElement = element
self.SelectedElement.OnLeftDown(event, self.Scaling)
self.Refresh()
else:
self.rubberBand.Reset()
self.rubberBand.OnLeftDown(event, self.Scaling)
event.Skip()
def OnViewerLeftUp(self, event):
if self.rubberBand.IsShown():
if self.Mode == MODE_SELECTION:
elements = self.SearchElements(self.rubberBand.GetCurrentExtent())
self.rubberBand.OnLeftUp(event, self.Scaling)
if len(elements) > 0:
self.SelectedElement = Graphic_Group(self)
self.SelectedElement.SetElements(elements)
self.SelectedElement.SetSelected(True)
self.Refresh()
elif self.Mode == MODE_SELECTION and self.SelectedElement:
if self.SelectedElement in self.Elements:
if self.SelectedElement in self.Wires:
result = self.SelectedElement.TestSegment(event.GetPosition(), True)
if result and result[1] in [EAST, WEST]:
self.SelectedElement.SetSelectedSegment(result[0])
else:
self.SelectedElement.OnLeftUp(event, self.Scaling)
else:
for element in self.SelectedElement.GetElements():
if element in self.Wires:
result = element.TestSegment(event.GetPosition(), True)
if result and result[1] in [EAST, WEST]:
element.SetSelectedSegment(result[0])
else:
element.OnLeftUp(event, self.Scaling)
wxCallAfter(self.SetCursor, wxNullCursor)
self.ReleaseMouse()
self.Refresh()
event.Skip()
def OnViewerRightUp(self, event):
pos = event.GetPosition()
element = self.FindElement(pos)
if element:
if self.SelectedElement and self.SelectedElement != element:
self.SelectedElement.SetSelected(False)
self.SelectedElement = element
if self.SelectedElement in self.Wires:
self.SelectedElement.SetSelectedSegment(0)
else:
self.SelectedElement.SetSelected(True)
self.SelectedElement.OnRightUp(event, self.Scaling)
wxCallAfter(self.SetCursor, wxNullCursor)
self.ReleaseMouse()
self.Refresh()
event.Skip()
def OnViewerLeftDClick(self, event):
if self.Mode == MODE_SELECTION and self.SelectedElement:
self.SelectedElement.OnLeftDClick(event, self.Scaling)
self.Refresh()
event.Skip()
def OnViewerMotion(self, event):
if self.rubberBand.IsShown():
self.rubberBand.OnMotion(event, self.Scaling)
event.Skip()
#-------------------------------------------------------------------------------
# Keyboard event functions
#-------------------------------------------------------------------------------
def OnChar(self, event):
keycode = event.GetKeyCode()
if keycode == WXK_DELETE and self.SelectedElement:
if self.SelectedElement in self.Blocks:
self.SelectedElement.Delete()
elif self.SelectedElement in self.Wires:
self.DeleteWire(self.SelectedElement)
elif self.SelectedElement not in self.Elements:
all_wires = True
for element in self.SelectedElement.GetElements():
all_wires &= element in self.Wires
if all_wires:
self.DeleteWire(self.SelectedElement)
else:
self.SelectedElement.Delete()
self.Refresh()
event.Skip()
#-------------------------------------------------------------------------------
# Adding element functions
#-------------------------------------------------------------------------------
def AddRung(self):
dialog = LDElementDialog(self.Parent, "coil")
varlist = []
vars = self.Controler.GetCurrentElementEditingInterfaceVars()
if vars:
for var in vars:
if var["Type"] != "Input" and var["Value"] == "BOOL":
varlist.append(var["Name"])
returntype = self.Controler.GetCurrentElementEditingInterfaceReturnType()
if returntype == "BOOL":
varlist.append(self.Controler.GetCurrentElementEditingName())
dialog.SetVariables(varlist)
dialog.SetValues({"name":"","type":COIL_NORMAL})
if dialog.ShowModal() == wxID_OK:
values = dialog.GetValues()
startx, starty = LD_OFFSET[0], 0
if len(self.Rungs) > 0:
bbox = self.Rungs[-1].GetBoundingBox()
starty = bbox.y + bbox.height
starty += LD_OFFSET[1]
rung = Graphic_Group(self)
# Create comment
id = self.GetNewId()
comment = Comment(self, "Commentaire", id)
comment.SetPosition(startx, starty)
comment.SetSize(LD_COMMENT_DEFAULTSIZE[0], LD_COMMENT_DEFAULTSIZE[1])
self.Elements.append(comment)
self.Comments.append(comment)
self.Controler.AddCurrentElementEditingComment(id)
self.RefreshCommentModel(comment)
starty += LD_COMMENT_DEFAULTSIZE[1] + LD_OFFSET[1]
# Create LeftPowerRail
id = self.GetNewId()
leftpowerrail = LD_PowerRail(self, LEFTRAIL, id)
leftpowerrail.SetPosition(startx, starty)
self.Elements.append(leftpowerrail)
self.Blocks.append(leftpowerrail)
rung.SelectElement(leftpowerrail)
self.Controler.AddCurrentElementEditingPowerRail(id, LEFTRAIL)
self.RefreshPowerRailModel(leftpowerrail)
# Create Coil
id = self.GetNewId()
coil = LD_Coil(self, values["type"], values["name"], id)
coil.SetPosition(startx, starty + (LD_LINE_SIZE - LD_ELEMENT_SIZE[1]) / 2)
self.Elements.append(coil)
self.Blocks.append(coil)
rung.SelectElement(coil)
self.Controler.AddCurrentElementEditingCoil(id)
# Create Wire between LeftPowerRail and Coil
wire = Wire(self)
start_connector = coil.GetConnectors()["input"]
end_connector = leftpowerrail.GetConnectors()[0]
start_connector.Connect((wire, 0), False)
end_connector.Connect((wire, -1), False)
wire.ConnectStartPoint(None, start_connector)
wire.ConnectEndPoint(None, end_connector)
self.Wires.append(wire)
self.Elements.append(wire)
rung.SelectElement(wire)
# Create RightPowerRail
id = self.GetNewId()
rightpowerrail = LD_PowerRail(self, RIGHTRAIL, id)
rightpowerrail.SetPosition(startx, starty)
self.Elements.append(rightpowerrail)
self.Blocks.append(rightpowerrail)
rung.SelectElement(rightpowerrail)
self.Controler.AddCurrentElementEditingPowerRail(id, RIGHTRAIL)
# Create Wire between LeftPowerRail and Coil
wire = Wire(self)
start_connector = rightpowerrail.GetConnectors()[0]
end_connector = coil.GetConnectors()["output"]
start_connector.Connect((wire, 0), False)
end_connector.Connect((wire, -1), False)
wire.ConnectStartPoint(None, start_connector)
wire.ConnectEndPoint(None, end_connector)
self.Wires.append(wire)
self.Elements.append(wire)
rung.SelectElement(wire)
self.RefreshPosition(coil)
self.Rungs.append(rung)
self.Refresh()
def AddContact(self):
wires = []
if self.SelectedElement in self.Wires:
left_element = self.SelectedElement.EndConnected
if not isinstance(left_element.GetParentBlock(), LD_Coil):
wires.append(self.SelectedElement)
elif self.SelectedElement and self.SelectedElement not in self.Elements:
if False not in [element in self.Wires for element in self.SelectedElement.GetElements()]:
for element in self.SelectedElement.GetElements():
wires.append(element)
if len(wires) > 0:
dialog = LDElementDialog(self.Parent, "contact")
varlist = []
vars = self.Controler.GetCurrentElementEditingInterfaceVars()
if vars:
for var in vars:
if var["Type"] != "Output" and var["Value"] == "BOOL":
varlist.append(var["Name"])
dialog.SetVariables(varlist)
dialog.SetValues({"name":"","type":CONTACT_NORMAL})
if dialog.ShowModal() == wxID_OK:
values = dialog.GetValues()
points = wires[0].GetSelectedSegmentPoints()
id = self.GetNewId()
contact = LD_Contact(self, values["type"], values["name"], id)
contact.SetPosition(0, points[0].y - (LD_ELEMENT_SIZE[1] + 1) / 2)
self.Elements.append(contact)
self.Blocks.append(contact)
self.Controler.AddCurrentElementEditingContact(id)
rungindex = self.FindRung(wires[0])
rung = self.Rungs[rungindex]
old_bbox = rung.GetBoundingBox()
rung.SelectElement(contact)
connectors = contact.GetConnectors()
left_elements = []
right_elements = []
left_index = []
right_index = []
for wire in wires:
if wire.EndConnected not in left_elements:
left_elements.append(wire.EndConnected)
left_index.append(wire.EndConnected.GetWireIndex(wire))
else:
idx = left_elements.index(wire.EndConnected)
left_index[idx] = min(left_index[idx], wire.EndConnected.GetWireIndex(wire))
if wire.StartConnected not in right_elements:
right_elements.append(wire.StartConnected)
right_index.append(wire.StartConnected.GetWireIndex(wire))
else:
idx = right_elements.index(wire.StartConnected)
right_index[idx] = min(right_index[idx], wire.StartConnected.GetWireIndex(wire))
wire.SetSelectedSegment(None)
wire.Clean()
rung.SelectElement(wire)
self.Wires.remove(wire)
self.Elements.remove(wire)
wires = []
right_wires = []
for i, left_element in enumerate(left_elements):
wire = Wire(self)
wires.append(wire)
connectors["input"].Connect((wire, 0), False)
left_element.InsertConnect(left_index[i], (wire, -1), False)
wire.ConnectStartPoint(None, connectors["input"])
wire.ConnectEndPoint(None, left_element)
for i, right_element in enumerate(right_elements):
wire = Wire(self)
wires.append(wire)
right_wires.append(wire)
right_element.InsertConnect(right_index[i], (wire, 0), False)
connectors["output"].Connect((wire, -1), False)
wire.ConnectStartPoint(None, right_element)
wire.ConnectEndPoint(None, connectors["output"])
right_wires.reverse()
for wire in wires:
self.Wires.append(wire)
self.Elements.append(wire)
rung.SelectElement(wire)
self.RefreshPosition(contact)
if len(right_wires) > 1:
group = Graphic_Group(self)
group.SetSelected(False)
for wire in right_wires:
wire.SetSelectedSegment(-1)
group.SelectElement(wire)
self.SelectedElement = group
else:
right_wires[0].SetSelectedSegment(-1)
self.SelectedElement = right_wires[0]
rung.RefreshBoundingBox()
new_bbox = rung.GetBoundingBox()
self.RefreshRungs(new_bbox.height - old_bbox.height, rungindex + 1)
self.Refresh()
def AddBranch(self):
blocks = []
if self.SelectedElement in self.Blocks:
blocks = [self.SelectedElement]
elif self.SelectedElement not in self.Elements:
elements = self.SelectedElement.GetElements()
for element in elements:
if isinstance(element, (LD_PowerRail, LD_Coil)):
return
blocks.append(element)
if len(blocks) > 0:
blocks_infos = []
left_elements = []
left_index = []
right_elements = []
right_index = []
for block in blocks:
connectors = block.GetConnectors()
block_infos = {"inputs":[],"outputs":[],"lefts":[],"rights":[]}
if "inputs" in connectors:
block_infos["inputs"] = connectors["inputs"]
if "outputs" in connectors:
block_infos["outputs"] = connectors["outputs"]
if "input" in connectors:
block_infos["inputs"] = [connectors["input"]]
if "output" in connectors:
block_infos["outputs"] = [connectors["output"]]
for connector in block_infos["inputs"]:
for wire, handle in connector.GetWires():
found = False
for infos in blocks_infos:
if wire.EndConnected in infos["outputs"]:
for left_element in infos["lefts"]:
if left_element not in block_infos["lefts"]:
block_infos["lefts"].append(left_element)
found = True
if not found and wire.EndConnected not in block_infos["lefts"]:
block_infos["lefts"].append(wire.EndConnected)
if wire.EndConnected not in left_elements:
left_elements.append(wire.EndConnected)
left_index.append(wire.EndConnected.GetWireIndex(wire))
else:
index = left_elements.index(wire.EndConnected)
left_index[index] = max(left_index[index], wire.EndConnected.GetWireIndex(wire))
for connector in block_infos["outputs"]:
for wire, handle in connector.GetWires():
found = False
for infos in blocks_infos:
if wire.StartConnected in infos["inputs"]:
for right_element in infos["rights"]:
if right_element not in block_infos["rights"]:
block_infos["rights"].append(right_element)
found = True
if not found and wire.StartConnected not in block_infos["rights"]:
block_infos["rights"].append(wire.StartConnected)
if wire.StartConnected not in right_elements:
right_elements.append(wire.StartConnected)
right_index.append(wire.StartConnected.GetWireIndex(wire))
else:
index = right_elements.index(wire.StartConnected)
right_index[index] = max(right_index[index], wire.StartConnected.GetWireIndex(wire))
for connector in block_infos["inputs"]:
for infos in blocks_infos:
if connector in infos["rights"]:
infos["rights"].remove(connector)
if connector in right_elements:
index = right_elements.index(connector)
right_elements.pop(index)
right_index.pop(index)
for right_element in block_infos["rights"]:
if right_element not in infos["rights"]:
infos["rights"].append(right_element)
for connector in block_infos["outputs"]:
for infos in blocks_infos:
if connector in infos["lefts"]:
infos["lefts"].remove(connector)
if connector in left_elements:
index = left_elements.index(connector)
left_elements.pop(index)
left_index.pop(index)
for left_element in block_infos["lefts"]:
if left_element not in infos["lefts"]:
infos["lefts"].append(left_element)
blocks_infos.append(block_infos)
for infos in blocks_infos:
left_elements = [element for element in infos["lefts"]]
for left_element in left_elements:
if isinstance(left_element.GetParentBlock(), LD_PowerRail):
infos["lefts"].remove(left_element)
if "LD_PowerRail" not in infos["lefts"]:
infos["lefts"].append("LD_PowerRail")
right_elements = [element for element in infos["rights"]]
for right_element in right_elements:
if isinstance(right_element.GetParentBlock(), LD_PowerRail):
infos["rights"].remove(tight_element)
if "LD_PowerRail" not in infos["rights"]:
infos["rights"].append("LD_PowerRail")
infos["lefts"].sort()
infos["rights"].sort()
lefts = blocks_infos[0]["lefts"]
rights = blocks_infos[0]["rights"]
good = True
for infos in blocks_infos[1:]:
good &= infos["lefts"] == lefts
good &= infos["rights"] == rights
if good:
rungindex = self.FindRung(blocks[0])
rung = self.Rungs[rungindex]
old_bbox = rung.GetBoundingBox()
left_powerrail = True
right_powerrail = True
for element in left_elements:
left_powerrail &= isinstance(element.GetParentBlock(), LD_PowerRail)
for element in right_elements:
right_powerrail &= isinstance(element.GetParentBlock(), LD_PowerRail)
if not left_powerrail or not right_powerrail:
if left_powerrail:
powerrail = left_elements[0].GetParentBlock()
index = 0
for left_element in left_elements:
index = max(index, powerrail.GetConnectorIndex(left_element))
if powerrail.IsNullConnector(index + 1):
powerrail.DeleteConnector(index + 1)
powerrail.InsertConnector(index + 1)
powerrail.RefreshModel()
connectors = powerrail.GetConnectors()
for i, right_element in enumerate(right_elements):
new_wire = Wire(self)
right_element.InsertConnect(right_index[i] + 1, (new_wire, 0), False)
connectors[index + 1].Connect((new_wire, -1), False)
new_wire.ConnectStartPoint(None, right_element)
new_wire.ConnectEndPoint(None, connectors[index + 1])
self.Wires.append(new_wire)
self.Elements.append(new_wire)
rung.SelectElement(new_wire)
right_elements.reverse()
elif right_powerrail:
pass
else:
left_elements.reverse()
right_elements.reverse()
wires = []
for i, left_element in enumerate(left_elements):
for j, right_element in enumerate(right_elements):
exist = False
for wire, handle in right_element.GetWires():
exist |= wire.EndConnected == left_element
if not exist:
new_wire = Wire(self)
wires.append(new_wire)
right_element.InsertConnect(right_index[j] + 1, (new_wire, 0), False)
left_element.InsertConnect(left_index[i] + 1, (new_wire, -1), False)
new_wire.ConnectStartPoint(None, right_element)
new_wire.ConnectEndPoint(None, left_element)
wires.reverse()
for wire in wires:
self.Wires.append(wire)
self.Elements.append(wire)
rung.SelectElement(wire)
right_elements.reverse()
for block in blocks:
self.RefreshPosition(block)
for right_element in right_elements:
self.RefreshPosition(right_element.GetParentBlock())
self.SelectedElement.RefreshBoundingBox()
rung.RefreshBoundingBox()
new_bbox = rung.GetBoundingBox()
self.RefreshRungs(new_bbox.height - old_bbox.height, rungindex + 1)
self.Refresh()
#-------------------------------------------------------------------------------
# Delete element functions
#-------------------------------------------------------------------------------
def DeleteContact(self, contact):
rungindex = self.FindRung(contact)
rung = self.Rungs[rungindex]
old_bbox = rung.GetBoundingBox()
connectors = contact.GetConnectors()
input_wires = [wire for wire, handle in connectors["input"].GetWires()]
output_wires = [wire for wire, handle in connectors["output"].GetWires()]
left_elements = [(wire.EndConnected, wire.EndConnected.GetWireIndex(wire)) for wire in input_wires]
right_elements = [(wire.StartConnected, wire.StartConnected.GetWireIndex(wire)) for wire in output_wires]
for wire in input_wires:
wire.Clean()
rung.SelectElement(wire)
self.Wires.remove(wire)
self.Elements.remove(wire)
for wire in output_wires:
wire.Clean()
rung.SelectElement(wire)
self.Wires.remove(wire)
self.Elements.remove(wire)
rung.SelectElement(contact)
contact.Clean()
left_elements.reverse()
right_elements.reverse()
powerrail = len(left_elements) == 1 and isinstance(left_elements[0][0].GetParentBlock(), LD_PowerRail)
for left_element, left_index in left_elements:
for right_element, right_index in right_elements:
wire_removed = []
for wire, handle in right_element.GetWires():
if wire.EndConnected == left_element:
wire_removed.append(wire)
elif isinstance(wire.EndConnected.GetParentBlock(), LD_PowerRail) and powerrail:
left_powerrail = wire.EndConnected.GetParentBlock()
index = left_powerrail.GetConnectorIndex(wire.EndConnected)
left_powerrail.DeleteConnector(index)
wire_removed.append(wire)
for wire in wire_removed:
wire.Clean()
self.Wires.remove(wire)
self.Elements.remove(wire)
rung.SelectElement(wire)
wires = []
for left_element, left_index in left_elements:
for right_element, right_index in right_elements:
wire = Wire(self)
wires.append(wire)
right_element.InsertConnect(right_index, (wire, 0), False)
left_element.InsertConnect(left_index, (wire, -1), False)
wire.ConnectStartPoint(None, right_element)
wire.ConnectEndPoint(None, left_element)
wires.reverse()
for wire in wires:
self.Wires.append(wire)
self.Elements.append(wire)
rung.SelectElement(wire)
right_elements.reverse()
for right_element, right_index in right_elements:
self.RefreshPosition(right_element.GetParentBlock())
self.Blocks.remove(contact)
self.Elements.remove(contact)
self.Controler.RemoveCurrentElementEditingInstance(contact.GetId())
rung.RefreshBoundingBox()
new_bbox = rung.GetBoundingBox()
self.RefreshRungs(new_bbox.height - old_bbox.height, rungindex + 1)
self.SelectedElement = None
def DeleteCoil(self, coil):
rungindex = self.FindRung(coil)
rung = self.Rungs[rungindex]
bbox = rung.GetBoundingBox()
for element in rung.GetElements():
if element in self.Wires:
element.Clean()
self.Wires.remove(element)
self.Elements.remove(element)
for element in rung.GetElements():
if element in self.Blocks:
self.Controler.RemoveCurrentElementEditingInstance(element.GetId())
self.Blocks.remove(element)
self.Elements.remove(element)
self.Controler.RemoveCurrentElementEditingInstance(self.Comments[rungindex].GetId())
self.Elements.remove(self.Comments[rungindex])
self.Comments.pop(rungindex)
self.Rungs.pop(rungindex)
if rungindex < len(self.Rungs):
next_bbox = self.Rungs[rungindex].GetBoundingBox()
self.RefreshRungs(bbox.y - next_bbox.y, rungindex)
self.SelectedElement = None
def DeleteWire(self, wire):
wires = []
left_elements = []
right_elements = []
if wire in self.Wires:
wires = [wire]
elif wire not in self.Elements:
for element in wire.GetElements():
if element in self.Wires:
wires.append(element)
else:
wires = []
break
if len(wires) > 0:
rungindex = self.FindRung(wires[0])
rung = self.Rungs[rungindex]
old_bbox = rung.GetBoundingBox()
for wire in wires:
connections = wire.GetSelectedSegmentConnections()
left_block = wire.EndConnected.GetParentBlock()
if wire.EndConnected not in left_elements:
left_elements.append(wire.EndConnected)
if wire.StartConnected not in right_elements:
right_elements.append(wire.StartConnected)
if connections == (False, False) or connections == (False, True) and isinstance(left_block, LD_PowerRail):
wire.Clean()
self.Wires.remove(wire)
self.Elements.remove(wire)
rung.SelectElement(wire)
for left_element in left_elements:
left_block = left_element.GetParentBlock()
if isinstance(left_block, LD_PowerRail):
if len(left_element.GetWires()) == 0:
index = left_block.GetConnectorIndex(left_element)
left_block.DeleteConnector(index)
else:
connectors = left_block.GetConnectors()
output_connectors = []
if "outputs" in connectors:
output_connectors = connectors["outputs"]
if "output" in connectors:
output_connectors = [connectors["output"]]
for connector in output_connectors:
for wire, handle in connector.GetWires():
self.RefreshPosition(wire.StartConnected.GetParentBlock())
for right_element in right_elements:
self.RefreshPosition(right_element.GetParentBlock())
rung.RefreshBoundingBox()
new_bbox = rung.GetBoundingBox()
self.RefreshRungs(new_bbox.height - old_bbox.height, rungindex + 1)
self.SelectedElement = None
#-------------------------------------------------------------------------------
# Refresh element position functions
#-------------------------------------------------------------------------------
def RefreshPosition(self, element):
if isinstance(element, LD_PowerRail) and element.GetType() == LEFTRAIL:
element.RefreshModel()
return
connectors = element.GetConnectors()
input_connectors = []
output_connectors = []
if isinstance(element, LD_PowerRail) and element.GetType() == RIGHTRAIL:
input_connectors = connectors
else:
if "inputs" in connectors:
input_connectors = connectors["inputs"]
if "outputs" in connectors:
output_connectors = connectors["outputs"]
if "input" in connectors:
input_connectors = [connectors["input"]]
if "output" in connectors:
output_connectors = [connectors["output"]]
position = element.GetPosition()
minx = 0
onlyone = []
for connector in input_connectors:
onlyone.append(len(connector.GetWires()) == 1)
for wire, handle in connector.GetWires():
onlyone[-1] &= len(wire.EndConnected.GetWires()) == 1
leftblock = wire.EndConnected.GetParentBlock()
pos = leftblock.GetPosition()
size = leftblock.GetSize()
minx = max(minx, pos[0] + size[0])
if isinstance(element, LD_Coil):
interval = LD_WIRECOIL_SIZE
else:
interval = LD_WIRE_SIZE
if False in onlyone:
interval += LD_WIRE_SIZE
movex = minx + interval - position[0]
element.Move(movex, 0)
for i, connector in enumerate(input_connectors):
startpoint = connector.GetPosition(False)
previous_blocks = []
block_list = []
start_offset = 0
if not onlyone[i]:
middlepoint = minx + LD_WIRE_SIZE
for j, (wire, handle) in enumerate(connector.GetWires()):
block = wire.EndConnected.GetParentBlock()
endpoint = wire.EndConnected.GetPosition(False)
if j == 0:
if not onlyone[i] and wire.EndConnected.GetWireIndex(wire) > 0:
start_offset = endpoint.y - startpoint.y
offset = start_offset
else:
offset = start_offset + LD_LINE_SIZE * CalcBranchSize(previous_blocks, block)
if block in block_list:
wires = wire.EndConnected.GetWires()
endmiddlepoint = wires[0][0].StartConnected.GetPosition(False)[0] - LD_WIRE_SIZE
points = [startpoint, wxPoint(middlepoint, startpoint.y),
wxPoint(middlepoint, startpoint.y + offset),
wxPoint(endmiddlepoint, startpoint.y + offset),
wxPoint(endmiddlepoint, endpoint.y), endpoint]
else:
if startpoint.y + offset != endpoint.y:
if isinstance(block, LD_PowerRail):
index = block.GetConnectorIndex(wire.EndConnected)
if index:
diff = (startpoint.y - endpoint.y) / LD_LINE_SIZE
for k in xrange(abs(diff)):
if diff < 0:
block.DeleteConnector(index - 1 - k)
else:
block.InsertConnector(index + k, False)
else:
block.Move(0, startpoint.y + offset - endpoint.y)
self.RefreshPosition(block)
endpoint = wire.EndConnected.GetPosition(False)
if not onlyone[i]:
points = [startpoint, wxPoint(middlepoint, startpoint.y),
wxPoint(middlepoint, endpoint.y), endpoint]
else:
points = [startpoint, endpoint]
wire.SetPoints(points)
previous_blocks.append(block)
ExtractNextBlocks(block, block_list)
element.RefreshModel(False)
for connector in output_connectors:
for wire, handle in connector.GetWires():
self.RefreshPosition(wire.StartConnected.GetParentBlock())
def RefreshRungs(self, movey, fromidx):
if movey != 0:
for i in xrange(fromidx, len(self.Rungs)):
self.Comments[i].Move(0, movey)
self.Comments[i].RefreshModel()
self.Rungs[i].Move(0, movey)
for element in self.Rungs[i].GetElements():
if element in self.Blocks:
self.RefreshPosition(element)
#-------------------------------------------------------------------------------
# Edit element content functions
#-------------------------------------------------------------------------------
def EditContactContent(self, contact):
dialog = LDElementDialog(self.Parent, "contact")
varlist = []
vars = self.Controler.GetCurrentElementEditingInterfaceVars()
if vars:
for var in vars:
if var["Type"] != "Output" and var["Value"] == "BOOL":
varlist.append(var["Name"])
dialog.SetVariables(varlist)
dialog.SetValues({"name":contact.GetName(),"type":contact.GetType()})
if dialog.ShowModal() == wxID_OK:
values = dialog.GetValues()
contact.SetName(values["name"])
contact.SetType(values["type"])
contact.RefreshModel(False)
self.Refresh()
dialog.Destroy()
def EditCoilContent(self, coil):
dialog = LDElementDialog(self.Parent, "coil")
varlist = []
vars = self.Controler.GetCurrentElementEditingInterfaceVars()
if vars:
for var in vars:
if var["Type"] != "Input" and var["Value"] == "BOOL":
varlist.append(var["Name"])
returntype = self.Controler.GetCurrentElementEditingInterfaceReturnType()
if returntype == "BOOL":
varlist.append(self.Controler.GetCurrentElementEditingName())
dialog.SetVariables(varlist)
dialog.SetValues({"name":coil.GetName(),"type":coil.GetType()})
if dialog.ShowModal() == wxID_OK:
values = dialog.GetValues()
coil.SetName(values["name"])
coil.SetType(values["type"])
coil.RefreshModel(False)
self.Refresh()
dialog.Destroy()
#-------------------------------------------------------------------------------
# Edit Ladder Element Properties Dialog
#-------------------------------------------------------------------------------
[wxID_LDELEMENTDIALOG, wxID_LDELEMENTDIALOGMAINPANEL,
wxID_LDELEMENTDIALOGNAME, wxID_LDELEMENTDIALOGRADIOBUTTON1,
wxID_LDELEMENTDIALOGRADIOBUTTON2, wxID_LDELEMENTDIALOGRADIOBUTTON3,
wxID_LDELEMENTDIALOGRADIOBUTTON4, wxID_LDELEMENTDIALOGPREVIEW,
wxID_LDELEMENTDIALOGSTATICTEXT1, wxID_LDELEMENTDIALOGSTATICTEXT2,
wxID_LDELEMENTDIALOGSTATICTEXT3,
] = [wx.NewId() for _init_ctrls in range(11)]
class LDElementDialog(wx.Dialog):
def _init_coll_flexGridSizer1_Items(self, parent):
# generated method, don't edit
parent.AddWindow(self.MainPanel, 0, border=0, flag=0)
def _init_sizers(self):
# generated method, don't edit
self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=0)
self._init_coll_flexGridSizer1_Items(self.flexGridSizer1)
self.SetSizer(self.flexGridSizer1)
def _init_ctrls(self, prnt, title, labels):
# generated method, don't edit
wx.Dialog.__init__(self, id=wxID_LDELEMENTDIALOG,
name='VariablePropertiesDialog', parent=prnt, pos=wx.Point(376, 223),
size=wx.Size(350, 260), style=wx.DEFAULT_DIALOG_STYLE,
title=title)
self.SetClientSize(wx.Size(350, 260))
self.MainPanel = wx.Panel(id=wxID_LDELEMENTDIALOGMAINPANEL,
name='MainPanel', parent=self, pos=wx.Point(0, 0),
size=wx.Size(340, 200), style=wx.TAB_TRAVERSAL)
self.MainPanel.SetAutoLayout(True)
self.staticText1 = wx.StaticText(id=wxID_LDELEMENTDIALOGSTATICTEXT1,
label='Type:', name='staticText1', parent=self.MainPanel,
pos=wx.Point(24, 24), size=wx.Size(70, 17), style=0)
self.staticText2 = wx.StaticText(id=wxID_LDELEMENTDIALOGSTATICTEXT2,
label='Name:', name='staticText2', parent=self.MainPanel,
pos=wx.Point(24, 150), size=wx.Size(70, 17), style=0)
self.staticText3 = wx.StaticText(id=wxID_LDELEMENTDIALOGSTATICTEXT3,
label='Preview:', name='staticText3', parent=self.MainPanel,
pos=wx.Point(174, 24), size=wx.Size(100, 17), style=0)
self.radioButton1 = wx.RadioButton(id=wxID_LDELEMENTDIALOGRADIOBUTTON1,
label=labels[0], name='radioButton1', parent=self.MainPanel,
pos=wx.Point(24, 48), size=wx.Size(114, 24), style=0)
EVT_RADIOBUTTON(self, wxID_LDELEMENTDIALOGRADIOBUTTON1, self.OnTypeChanged)
self.radioButton1.SetValue(True)
self.radioButton2 = wx.RadioButton(id=wxID_LDELEMENTDIALOGRADIOBUTTON2,
label=labels[1], name='radioButton2', parent=self.MainPanel,
pos=wx.Point(24, 72), size=wx.Size(128, 24), style=0)
EVT_RADIOBUTTON(self, wxID_LDELEMENTDIALOGRADIOBUTTON2, self.OnTypeChanged)
self.radioButton3 = wx.RadioButton(id=wxID_LDELEMENTDIALOGRADIOBUTTON3,
label=labels[2], name='radioButton3', parent=self.MainPanel,
pos=wx.Point(24, 96), size=wx.Size(114, 24), style=0)
EVT_RADIOBUTTON(self, wxID_LDELEMENTDIALOGRADIOBUTTON3, self.OnTypeChanged)
self.radioButton4 = wx.RadioButton(id=wxID_LDELEMENTDIALOGRADIOBUTTON4,
label=labels[3], name='radioButton4', parent=self.MainPanel,
pos=wx.Point(24, 120), size=wx.Size(128, 24), style=0)
EVT_RADIOBUTTON(self, wxID_LDELEMENTDIALOGRADIOBUTTON4, self.OnTypeChanged)
self.Name = wx.Choice(id=wxID_LDELEMENTDIALOGNAME,
name='Name', parent=self.MainPanel, pos=wx.Point(24, 174),
size=wx.Size(145, 24), style=0)
EVT_CHOICE(self, wxID_LDELEMENTDIALOGNAME, self.OnNameChanged)
self.Preview = wx.Panel(id=wxID_LDELEMENTDIALOGPREVIEW,
name='Preview', parent=self.MainPanel, pos=wx.Point(174, 48),
size=wx.Size(150, 150), style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER)
self.Preview.SetBackgroundColour(wxColour(255,255,255))
self._init_sizers()
def __init__(self, parent, type):
self.Type = type
if type == "contact":
self._init_ctrls(parent, "Edit Contact Values", ['Normal','Reverse','Rising Edge','Falling Edge'])
self.Element = LD_Contact(self.Preview, CONTACT_NORMAL, "")
elif type == "coil":
self._init_ctrls(parent, "Edit Coil Values", ['Normal','Reverse','Set','Reset'])
self.Element = LD_Coil(self.Preview, COIL_NORMAL, "")
self.Element.SetPosition((150 - LD_ELEMENT_SIZE[0]) / 2, (150 - LD_ELEMENT_SIZE[1]) / 2)
self.ButtonSizer = self.CreateButtonSizer(wxOK|wxCANCEL)
self.flexGridSizer1.Add(self.ButtonSizer, 1, wxALIGN_RIGHT)
EVT_PAINT(self, self.OnPaint)
def SetVariables(self, vars):
self.Name.Clear()
for name in vars:
self.Name.Append(name)
self.Name.Enable(self.Name.GetCount() > 0)
def SetValues(self, values):
for name, value in values.items():
if name == "name":
self.Element.SetName(value)
self.Name.SetStringSelection(value)
elif name == "type":
self.Element.SetType(value)
if self.Type == "contact":
if value == CONTACT_NORMAL:
self.radioButton1.SetValue(True)
elif value == CONTACT_REVERSE:
self.radioButton2.SetValue(True)
elif value == CONTACT_RISING:
self.radioButton3.SetValue(True)
elif value == CONTACT_FALLING:
self.radioButton4.SetValue(True)
elif self.Type == "coil":
if value == COIL_NORMAL:
self.radioButton1.SetValue(True)
elif value == COIL_REVERSE:
self.radioButton2.SetValue(True)
elif value == COIL_SET:
self.radioButton3.SetValue(True)
elif value == COIL_RESET:
self.radioButton4.SetValue(True)
def GetValues(self):
values = {}
values["name"] = self.Element.GetName()
values["type"] = self.Element.GetType()
return values
def OnTypeChanged(self, event):
if self.Type == "contact":
if self.radioButton1.GetValue():
self.Element.SetType(CONTACT_NORMAL)
elif self.radioButton2.GetValue():
self.Element.SetType(CONTACT_REVERSE)
elif self.radioButton3.GetValue():
self.Element.SetType(CONTACT_RISING)
elif self.radioButton4.GetValue():
self.Element.SetType(CONTACT_FALLING)
elif self.Type == "coil":
if self.radioButton1.GetValue():
self.Element.SetType(COIL_NORMAL)
elif self.radioButton2.GetValue():
self.Element.SetType(COIL_REVERSE)
elif self.radioButton3.GetValue():
self.Element.SetType(COIL_SET)
elif self.radioButton4.GetValue():
self.Element.SetType(COIL_RESET)
self.RefreshPreview()
event.Skip()
def OnNameChanged(self, event):
self.Element.SetName(self.Name.GetStringSelection())
self.RefreshPreview()
event.Skip()
def RefreshPreview(self):
dc = wxClientDC(self.Preview)
dc.Clear()
self.Element.Draw(dc)
def OnPaint(self, event):
self.RefreshPreview()
event.Skip()