#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
# See COPYING file for copyrights details.
#
# This program 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
# of the License, or (at your option) any later version.
#
# This program 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 program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import wx
from editors.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, stops):
branch_size = 0
stop_list = stops
for stop in stops:
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")
remove_stops = {"start": [], "stop": []}
for element, values in list(element_tree.items()):
if "stop" in values["children"]:
removed = []
for child in values["children"]:
if child != "stop":
# if child in elements:
# RemoveElement(child, element_tree)
# removed.append(child)
if "start" in element_tree[child]["parents"]:
if element not in remove_stops["stop"]:
remove_stops["stop"].append(element)
if child not in remove_stops["start"]:
remove_stops["start"].append(child)
for child in removed:
values["children"].remove(child)
for element in remove_stops["start"]:
element_tree[element]["parents"].remove("start")
for element in remove_stops["stop"]:
element_tree[element]["children"].remove("stop")
for element, values in list(element_tree.items()):
if values and "stop" in values["children"]:
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.pop(remove)
# 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"]
element_tree[element]["children"].append("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 LD_Viewer(Viewer):
"""
Class derived from Viewer class that implements a Viewer of Ladder Diagram
"""
def __init__(self, parent, tagname, window, controler, debug=False, instancepath=""):
Viewer.__init__(self, parent, tagname, window, controler, debug, instancepath)
self.Rungs = []
self.RungComments = []
self.CurrentLanguage = "LD"
# -------------------------------------------------------------------------------
# Refresh functions
# -------------------------------------------------------------------------------
def ResetView(self):
self.Rungs = []
self.RungComments = []
Viewer.ResetView(self)
def RefreshView(self, variablepanel=True, selection=None):
Viewer.RefreshView(self, variablepanel, selection)
if self.GetDrawingMode() != FREEDRAWING_MODE:
for i, rung in enumerate(self.Rungs):
bbox = rung.GetBoundingBox()
if i < len(self.RungComments):
if self.RungComments[i]:
pos = self.RungComments[i].GetPosition()
if pos[1] > bbox.y:
self.RungComments.insert(i, None)
else:
self.RungComments.insert(i, None)
def loadInstance(self, instance, ids, selection):
Viewer.loadInstance(self, instance, ids, selection)
if self.GetDrawingMode() != FREEDRAWING_MODE:
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["inputs"]:
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"])
element_connectors = element.GetConnectors()
self.Rungs[rungs[0]].SelectElement(element)
for connector in element_connectors["inputs"]:
for wire, _num in connector.GetWires():
self.Rungs[rungs[0]].SelectElement(wire)
wx.CallAfter(self.RefreshPosition, element)
elif instance["type"] in ["contact", "coil"]:
rungs = []
for link in instance["inputs"][0]["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"])
element_connectors = element.GetConnectors()
self.Rungs[rungs[0]].SelectElement(element)
for wire, _num in element_connectors["inputs"][0].GetWires():
self.Rungs[rungs[0]].SelectElement(wire)
wx.CallAfter(self.RefreshPosition, element)
elif instance["type"] == "comment":
element = self.FindElementById(instance["id"])
pos = element.GetPosition()
i = 0
inserted = False
while i < len(self.RungComments) and not inserted:
ipos = self.RungComments[i].GetPosition()
if pos[1] < ipos[1]:
self.RungComments.insert(i, element)
inserted = True
i += 1
if not inserted:
self.RungComments.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, event, exclude_group=False, connectors=True):
if self.GetDrawingMode() == FREEDRAWING_MODE:
return Viewer.FindElement(self, event, exclude_group, connectors)
dc = self.GetLogicalDC()
pos = event.GetLogicalPosition(dc)
if self.SelectedElement and not isinstance(self.SelectedElement, (Graphic_Group, Wire)):
if self.SelectedElement.HitTest(pos, connectors) or self.SelectedElement.TestHandle(pos) != (0, 0):
return self.SelectedElement
elements = []
for element in self.GetElements(sort_wires=True):
if element.HitTest(pos, connectors) or element.TestHandle(event) != (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 self.IsBlock(element):
return element
group.SelectElement(element)
return group
return None
def SearchElements(self, bbox):
if self.GetDrawingMode() == FREEDRAWING_MODE:
return Viewer.SearchElements(self, bbox)
elements = []
for element in list(self.Blocks.values()) + list(self.Comments.values()):
if element.IsInSelection(bbox):
elements.append(element)
return elements
# -------------------------------------------------------------------------------
# Mouse event functions
# -------------------------------------------------------------------------------
def OnViewerLeftDown(self, event):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.OnViewerLeftDown(self, event)
elif self.Mode == MODE_SELECTION:
element = self.FindElement(event)
if self.SelectedElement:
if not isinstance(self.SelectedElement, Graphic_Group):
if self.SelectedElement != element:
if self.IsWire(self.SelectedElement):
self.SelectedElement.SetSelectedSegment(None)
else:
self.SelectedElement.SetSelected(False)
else:
self.SelectedElement = None
elif element and isinstance(element, Graphic_Group):
if self.SelectedElement.GetElements() != element.GetElements():
for elt in self.SelectedElement.GetElements():
if self.IsWire(elt):
elt.SetSelectedSegment(None)
self.SelectedElement.SetSelected(False)
self.SelectedElement = None
else:
for elt in self.SelectedElement.GetElements():
if self.IsWire(elt):
elt.SetSelectedSegment(None)
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)
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_SELECTION and self.SelectedElement:
dc = self.GetLogicalDC()
if not isinstance(self.SelectedElement, Graphic_Group):
if self.IsWire(self.SelectedElement):
result = self.SelectedElement.TestSegment(event.GetLogicalPosition(dc), True)
if result and result[1] in [EAST, WEST]:
self.SelectedElement.SetSelectedSegment(result[0])
else:
self.SelectedElement.OnLeftUp(event, dc, self.Scaling)
else:
for element in self.SelectedElement.GetElements():
if self.IsWire(element):
result = element.TestSegment(event.GetLogicalPosition(dc), True)
if result and result[1] in [EAST, WEST]:
element.SetSelectedSegment(result[0])
else:
element.OnLeftUp(event, dc, self.Scaling)
self.SelectedElement.Refresh()
wx.CallAfter(self.SetCurrentCursor, 0)
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()
# -------------------------------------------------------------------------------
# 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 keycode == wx.WXK_DELETE and self.SelectedElement:
if self.IsBlock(self.SelectedElement):
self.SelectedElement.Delete()
elif self.IsWire(self.SelectedElement):
self.DeleteWire(self.SelectedElement)
elif isinstance(self.SelectedElement, Graphic_Group):
all_wires = True
for element in self.SelectedElement.GetElements():
all_wires &= self.IsWire(element)
if all_wires:
self.DeleteWire(self.SelectedElement)
else:
self.SelectedElement.Delete()
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():
self.Scroll(max(0, xpos - 1), ypos)
elif keycode == wx.WXK_RIGHT:
if event.ControlDown() and event.ShiftDown():
self.Scroll(xmax, ypos)
elif event.ControlDown():
self.Scroll(min(xpos + 1, xmax), ypos)
elif keycode == wx.WXK_UP:
if event.ControlDown() and event.ShiftDown():
self.Scroll(xpos, 0)
elif event.ControlDown():
self.Scroll(xpos, max(0, ypos - 1))
elif keycode == wx.WXK_DOWN:
if event.ControlDown() and event.ShiftDown():
self.Scroll(xpos, ymax)
elif event.ControlDown():
self.Scroll(xpos, min(ypos + 1, ymax))
else:
event.Skip()
# -------------------------------------------------------------------------------
# Model adding functions from Drop Target
# -------------------------------------------------------------------------------
def AddVariableBlock(self, x, y, scaling, var_class, var_name, var_type):
if var_type == "BOOL":
id = self.GetNewId()
if var_class == INPUT:
contact = LD_Contact(self, CONTACT_NORMAL, var_name, id)
width, height = contact.GetMinSize()
if scaling is not None:
x = round(x / scaling[0]) * scaling[0]
y = round(y / scaling[1]) * scaling[1]
width = round(width / scaling[0] + 0.5) * scaling[0]
height = round(height / scaling[1] + 0.5) * scaling[1]
contact.SetPosition(x, y)
contact.SetSize(width, height)
self.AddBlock(contact)
self.Controler.AddEditedElementContact(self.GetTagName(), id)
self.RefreshContactModel(contact)
else:
coil = LD_Coil(self, COIL_NORMAL, var_name, id)
width, height = coil.GetMinSize()
if scaling is not None:
x = round(x / scaling[0]) * scaling[0]
y = round(y / scaling[1]) * scaling[1]
width = round(width / scaling[0] + 0.5) * scaling[0]
height = round(height / scaling[1] + 0.5) * scaling[1]
coil.SetPosition(x, y)
coil.SetSize(width, height)
self.AddBlock(coil)
self.Controler.AddEditedElementCoil(self.GetTagName(), id)
self.RefreshCoilModel(coil)
self.RefreshBuffer()
self.RefreshScrollBars()
self.RefreshVisibleElements()
self.Refresh(False)
else:
Viewer.AddVariableBlock(self, x, y, scaling, var_class, var_name, var_type)
# -------------------------------------------------------------------------------
# Adding element functions
# -------------------------------------------------------------------------------
def AddLadderRung(self):
dialog = LDElementDialog(self.ParentWindow, self.Controler, self.TagName, "coil")
dialog.SetPreviewFont(self.GetFont())
varlist = []
vars = self.Controler.GetEditedElementInterfaceVars(self.TagName, debug=self.Debug)
if vars:
for var in vars:
if var.Class != "Input" and var.Type == "BOOL":
varlist.append(var.Name)
returntype = self.Controler.GetEditedElementInterfaceReturnType(self.TagName, debug=self.Debug)
if returntype == "BOOL":
varlist.append(self.Controler.GetEditedElementName(self.TagName))
dialog.SetVariables(varlist)
dialog.SetValues({"name": "", "type": COIL_NORMAL})
if dialog.ShowModal() == wx.ID_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, _("Comment"), id)
comment.SetPosition(startx, starty)
comment.SetSize(LD_COMMENT_DEFAULTSIZE[0], LD_COMMENT_DEFAULTSIZE[1])
self.AddComment(comment)
self.RungComments.append(comment)
self.Controler.AddEditedElementComment(self.TagName, 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)
leftpowerrail_connectors = leftpowerrail.GetConnectors()
self.AddBlock(leftpowerrail)
rung.SelectElement(leftpowerrail)
self.Controler.AddEditedElementPowerRail(self.TagName, 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)
coil_connectors = coil.GetConnectors()
self.AddBlock(coil)
rung.SelectElement(coil)
self.Controler.AddEditedElementCoil(self.TagName, id)
# Create Wire between LeftPowerRail and Coil
wire = Wire(self)
start_connector = coil_connectors["inputs"][0]
end_connector = leftpowerrail_connectors["outputs"][0]
start_connector.Connect((wire, 0), False)
end_connector.Connect((wire, -1), False)
wire.ConnectStartPoint(None, start_connector)
wire.ConnectEndPoint(None, end_connector)
self.AddWire(wire)
rung.SelectElement(wire)
# Create RightPowerRail
id = self.GetNewId()
rightpowerrail = LD_PowerRail(self, RIGHTRAIL, id)
rightpowerrail.SetPosition(startx, starty)
rightpowerrail_connectors = rightpowerrail.GetConnectors()
self.AddBlock(rightpowerrail)
rung.SelectElement(rightpowerrail)
self.Controler.AddEditedElementPowerRail(self.TagName, id, RIGHTRAIL)
# Create Wire between LeftPowerRail and Coil
wire = Wire(self)
start_connector = rightpowerrail_connectors["inputs"][0]
end_connector = coil_connectors["outputs"][0]
start_connector.Connect((wire, 0), False)
end_connector.Connect((wire, -1), False)
wire.ConnectStartPoint(None, start_connector)
wire.ConnectEndPoint(None, end_connector)
self.AddWire(wire)
rung.SelectElement(wire)
self.RefreshPosition(coil)
self.Rungs.append(rung)
self.RefreshBuffer()
self.RefreshScrollBars()
self.RefreshVisibleElements()
self.Refresh(False)
def AddLadderContact(self):
wires = []
if self.IsWire(self.SelectedElement):
left_element = self.SelectedElement.EndConnected
if not isinstance(left_element.GetParentBlock(), LD_Coil):
wires.append(self.SelectedElement)
elif self.SelectedElement and isinstance(self.SelectedElement, Graphic_Group):
if False not in [self.IsWire(element) for element in self.SelectedElement.GetElements()]:
for element in self.SelectedElement.GetElements():
wires.append(element)
if len(wires) > 0:
dialog = LDElementDialog(self.ParentWindow, self.Controler, self.TagName, "contact")
dialog.SetPreviewFont(self.GetFont())
varlist = []
vars = self.Controler.GetEditedElementInterfaceVars(self.TagName, debug=self.Debug)
if vars:
for var in vars:
if var.Class != "Output" and var.Type == "BOOL":
varlist.append(var.Name)
dialog.SetVariables(varlist)
dialog.SetValues({"name": "", "type": CONTACT_NORMAL})
if dialog.ShowModal() == wx.ID_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.AddBlock(contact)
self.Controler.AddEditedElementContact(self.TagName, 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.RemoveWire(wire)
wires = []
right_wires = []
for i, left_element in enumerate(left_elements):
wire = Wire(self)
wires.append(wire)
connectors["inputs"][0].Connect((wire, 0), False)
left_element.InsertConnect(left_index[i], (wire, -1), False)
wire.ConnectStartPoint(None, connectors["inputs"][0])
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["outputs"][0].Connect((wire, -1), False)
wire.ConnectStartPoint(None, right_element)
wire.ConnectEndPoint(None, connectors["outputs"][0])
right_wires.reverse()
for wire in wires:
self.AddWire(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.RefreshBuffer()
self.RefreshScrollBars()
self.RefreshVisibleElements()
self.Refresh(False)
else:
message = wx.MessageDialog(self, _("You must select the wire where a contact should be added!"), _("Error"), wx.OK | wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
def AddLadderBranch(self):
blocks = []
if self.IsBlock(self.SelectedElement):
blocks = [self.SelectedElement]
elif isinstance(self.SelectedElement, Graphic_Group):
elements = self.SelectedElement.GetElements()
for element in elements:
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 = {"lefts": [], "rights": []}
block_infos.update(connectors)
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(right_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:
wires = []
if left_powerrail:
powerrail = left_elements[0].GetParentBlock()
index = 0
for left_element in left_elements:
index = max(index, powerrail.GetConnectorIndex(left_element))
powerrail.InsertConnector(index + 1)
powerrail.RefreshModel()
connectors = powerrail.GetConnectors()
right_elements.reverse()
for i, right_element in enumerate(right_elements):
new_wire = Wire(self)
wires.append(new_wire)
right_element.InsertConnect(right_index[i] + 1, (new_wire, 0), False)
connectors["outputs"][index + 1].Connect((new_wire, -1), False)
new_wire.ConnectStartPoint(None, right_element)
new_wire.ConnectEndPoint(None, connectors["outputs"][index + 1])
right_elements.reverse()
elif right_powerrail:
dialog = LDElementDialog(self.ParentWindow, self.Controleur, self.TagName, "coil")
dialog.SetPreviewFont(self.GetFont())
varlist = []
vars = self.Controler.GetEditedElementInterfaceVars(self.TagName, debug=self.Debug)
if vars:
for var in vars:
if var.Class != "Input" and var.Type == "BOOL":
varlist.append(var.Name)
returntype = self.Controler.GetEditedElementInterfaceReturnType(self.TagName, debug=self.Debug)
if returntype == "BOOL":
varlist.append(self.Controler.GetEditedElementName(self.TagName))
dialog.SetVariables(varlist)
dialog.SetValues({"name": "", "type": COIL_NORMAL})
if dialog.ShowModal() == wx.ID_OK:
values = dialog.GetValues()
powerrail = right_elements[0].GetParentBlock()
index = 0
for right_element in right_elements:
index = max(index, powerrail.GetConnectorIndex(right_element))
powerrail.InsertConnector(index + 1)
powerrail.RefreshModel()
connectors = powerrail.GetConnectors()
# Create Coil
id = self.GetNewId()
coil = LD_Coil(self, values["type"], values["name"], id)
pos = blocks[0].GetPosition()
coil.SetPosition(pos[0], pos[1] + LD_LINE_SIZE)
self.AddBlock(coil)
rung.SelectElement(coil)
self.Controler.AddEditedElementCoil(self.TagName, id)
coil_connectors = coil.GetConnectors()
# Create Wire between LeftPowerRail and Coil
wire = Wire(self)
connectors["inputs"][index + 1].Connect((wire, 0), False)
coil_connectors["outputs"][0].Connect((wire, -1), False)
wire.ConnectStartPoint(None, connectors["inputs"][index + 1])
wire.ConnectEndPoint(None, coil_connectors["outputs"][0])
self.AddWire(wire)
rung.SelectElement(wire)
left_elements.reverse()
for i, left_element in enumerate(left_elements):
# Create Wire between LeftPowerRail and Coil
new_wire = Wire(self)
wires.append(new_wire)
coil_connectors["inputs"][0].Connect((new_wire, 0), False)
left_element.InsertConnect(left_index[i] + 1, (new_wire, -1), False)
new_wire.ConnectStartPoint(None, coil_connectors["inputs"][0])
new_wire.ConnectEndPoint(None, left_element)
self.RefreshPosition(coil)
else:
left_elements.reverse()
right_elements.reverse()
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.AddWire(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.RefreshBuffer()
self.RefreshScrollBars()
self.RefreshVisibleElements()
self.Refresh(False)
else:
message = wx.MessageDialog(self, _("The group of block must be coherent!"), _("Error"), wx.OK | wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
else:
message = wx.MessageDialog(self, _("You must select the block or group of blocks around which a branch should be added!"), _("Error"), wx.OK | wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
def AddLadderBlock(self):
message = wx.MessageDialog(self, _("This option isn't available yet!"), _("Warning"), wx.OK | wx.ICON_EXCLAMATION)
message.ShowModal()
message.Destroy()
# -------------------------------------------------------------------------------
# Delete element functions
# -------------------------------------------------------------------------------
def DeleteContact(self, contact):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.DeleteContact(self, contact)
else:
rungindex = self.FindRung(contact)
rung = self.Rungs[rungindex]
old_bbox = rung.GetBoundingBox()
connectors = contact.GetConnectors()
input_wires = [wire for wire, _handle in connectors["inputs"][0].GetWires()]
output_wires = [wire for wire, _handle in connectors["outputs"][0].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.RemoveWire(wire)
for wire in output_wires:
wire.Clean()
rung.SelectElement(wire)
self.RemoveWire(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.RemoveWire(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.AddWire(wire)
rung.SelectElement(wire)
right_elements.reverse()
for right_element, right_index in right_elements:
self.RefreshPosition(right_element.GetParentBlock())
self.RemoveBlock(contact)
self.Controler.RemoveEditedElementInstance(self.TagName, contact.GetId())
rung.RefreshBoundingBox()
new_bbox = rung.GetBoundingBox()
self.RefreshRungs(new_bbox.height - old_bbox.height, rungindex + 1)
self.SelectedElement = None
def RecursiveDeletion(self, element, rung):
connectors = element.GetConnectors()
input_wires = [wire for wire, _handle in connectors["inputs"][0].GetWires()]
left_elements = [wire.EndConnected for wire in input_wires]
rung.SelectElement(element)
element.Clean()
for wire in input_wires:
wire.Clean()
self.RemoveWire(wire)
rung.SelectElement(wire)
self.RemoveBlock(element)
self.Controler.RemoveEditedElementInstance(self.TagName, element.GetId())
for left_element in left_elements:
block = left_element.GetParentBlock()
if len(left_element.GetWires()) == 0:
self.RecursiveDeletion(block, rung)
else:
self.RefreshPosition(block)
def DeleteCoil(self, coil):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.DeleteContact(self, coil)
else:
rungindex = self.FindRung(coil)
rung = self.Rungs[rungindex]
old_bbox = rung.GetBoundingBox()
nbcoils = 0
for element in rung.GetElements():
if isinstance(element, LD_Coil):
nbcoils += 1
if nbcoils > 1:
connectors = coil.GetConnectors()
output_wires = [wire for wire, _handle in connectors["outputs"][0].GetWires()]
right_elements = [wire.StartConnected for wire in output_wires]
for wire in output_wires:
wire.Clean()
self.Wires.remove(wire)
self.Elements.remove(wire)
rung.SelectElement(wire)
for right_element in right_elements:
right_block = right_element.GetParentBlock()
if isinstance(right_block, LD_PowerRail):
if len(right_element.GetWires()) == 0:
index = right_block.GetConnectorIndex(right_element)
right_block.DeleteConnector(index)
powerrail_connectors = right_block.GetConnectors()
for connector in powerrail_connectors["inputs"]:
for wire, _handle in connector.GetWires():
block = wire.EndConnected.GetParentBlock()
endpoint = wire.EndConnected.GetPosition(False)
startpoint = connector.GetPosition(False)
block.Move(0, startpoint.y - endpoint.y)
self.RefreshPosition(block)
self.RecursiveDeletion(coil, rung)
else:
for element in rung.GetElements():
if self.IsWire(element):
element.Clean()
self.RemoveWire(element)
for element in rung.GetElements():
if self.IsBlock(element):
self.Controler.RemoveEditedElementInstance(self.TagName, element.GetId())
self.RemoveBlock(element)
self.Controler.RemoveEditedElementInstance(self.TagName, self.Comments[rungindex].GetId())
self.RemoveComment(self.RungComments[rungindex])
self.RungComments.pop(rungindex)
self.Rungs.pop(rungindex)
if rungindex < len(self.Rungs):
next_bbox = self.Rungs[rungindex].GetBoundingBox()
self.RefreshRungs(old_bbox.y - next_bbox.y, rungindex)
self.SelectedElement = None
def DeleteWire(self, wire):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.DeleteWire(self, wire)
else:
wires = []
left_elements = []
right_elements = []
if self.IsWire(wire):
wires = [wire]
elif isinstance(wire, Graphic_Group):
for element in wire.GetElements():
if self.IsWire(element):
wires.append(element)
else:
wires = []
break
if len(wires) > 0:
rungindex = self.FindRung(wires[0])
rung = self.Rungs[rungindex]
old_bbox = rung.GetBoundingBox()
for w in wires:
connections = w.GetSelectedSegmentConnections()
left_block = w.EndConnected.GetParentBlock()
if w.EndConnected not in left_elements:
left_elements.append(w.EndConnected)
if w.StartConnected not in right_elements:
right_elements.append(w.StartConnected)
if connections == (False, False) or connections == (False, True) and isinstance(left_block, LD_PowerRail):
w.Clean()
self.RemoveWire(w)
rung.SelectElement(w)
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()
for connector in connectors["outputs"]:
for lwire, _handle in connector.GetWires():
self.RefreshPosition(lwire.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, recursive=True):
# If element is LeftPowerRail, no need to update position
if isinstance(element, LD_PowerRail) and element.GetType() == LEFTRAIL:
element.RefreshModel()
return
# Extract max position of the elements connected to input
connectors = element.GetConnectors()
position = element.GetPosition()
maxx = 0
onlyone = []
for connector in connectors["inputs"]:
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()
maxx = max(maxx, pos[0] + size[0])
# Refresh position of element
if isinstance(element, LD_Coil):
interval = LD_WIRECOIL_SIZE
else:
interval = LD_WIRE_SIZE
if False in onlyone:
interval += LD_WIRE_SIZE
movex = maxx + interval - position[0]
element.Move(movex, 0)
position = element.GetPosition()
# Extract blocks connected to inputs
blocks = []
for i, connector in enumerate(connectors["inputs"]):
for j, (wire, _handle) in enumerate(connector.GetWires()):
blocks.append(wire.EndConnected.GetParentBlock())
for i, connector in enumerate(connectors["inputs"]):
startpoint = connector.GetPosition(False)
previous_blocks = []
block_list = []
start_offset = 0
if not onlyone[i]:
middlepoint = maxx + LD_WIRE_SIZE
for j, (wire, _handle) in enumerate(connector.GetWires()):
block = wire.EndConnected.GetParentBlock()
if isinstance(element, LD_PowerRail):
pos = block.GetPosition()
size = leftblock.GetSize()
movex = position[0] - LD_WIRE_SIZE - size[0] - pos[0]
block.Move(movex, 0)
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, blocks)
if block in block_list:
wires = wire.EndConnected.GetWires()
endmiddlepoint = wires[0][0].StartConnected.GetPosition(False)[0] - LD_WIRE_SIZE
points = [startpoint, wx.Point(middlepoint, startpoint.y),
wx.Point(middlepoint, startpoint.y + offset),
wx.Point(endmiddlepoint, startpoint.y + offset),
wx.Point(endmiddlepoint, endpoint.y), endpoint]
else:
if startpoint.y + offset != endpoint.y:
if isinstance(element, LD_PowerRail):
element.MoveConnector(connector, startpoint.y - endpoint.y)
elif isinstance(block, LD_PowerRail):
block.MoveConnector(wire.EndConnected, startpoint.y - endpoint.y)
else:
block.Move(0, startpoint.y + offset - endpoint.y)
self.RefreshPosition(block, False)
endpoint = wire.EndConnected.GetPosition(False)
if not onlyone[i]:
points = [startpoint, wx.Point(middlepoint, startpoint.y),
wx.Point(middlepoint, endpoint.y), endpoint]
else:
points = [startpoint, endpoint]
wire.SetPoints(points, False)
previous_blocks.append(block)
blocks.remove(block)
ExtractNextBlocks(block, block_list)
element.RefreshModel(False)
if recursive:
for connector in connectors["outputs"]:
for wire, _handle in connector.GetWires():
self.RefreshPosition(wire.StartConnected.GetParentBlock())
def RefreshRungs(self, movey, fromidx):
if movey != 0:
for i in range(fromidx, len(self.Rungs)):
self.RungComments[i].Move(0, movey)
self.RungComments[i].RefreshModel()
self.Rungs[i].Move(0, movey)
for element in self.Rungs[i].GetElements():
if self.IsBlock(element):
self.RefreshPosition(element)
# -------------------------------------------------------------------------------
# Edit element content functions
# -------------------------------------------------------------------------------
def EditPowerRailContent(self, powerrail):
if self.GetDrawingMode() == FREEDRAWING_MODE:
Viewer.EditPowerRailContent(self, powerrail)