etisserant@0: #!/usr/bin/env python
etisserant@0: # -*- coding: utf-8 -*-
etisserant@0: 
etisserant@0: #This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
etisserant@0: #based on the plcopen standard. 
etisserant@0: #
lbessard@58: #Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
etisserant@0: #
etisserant@0: #See COPYING file for copyrights details.
etisserant@0: #
etisserant@0: #This library is free software; you can redistribute it and/or
etisserant@5: #modify it under the terms of the GNU General Public
etisserant@0: #License as published by the Free Software Foundation; either
etisserant@0: #version 2.1 of the License, or (at your option) any later version.
etisserant@0: #
etisserant@0: #This library is distributed in the hope that it will be useful,
etisserant@0: #but WITHOUT ANY WARRANTY; without even the implied warranty of
etisserant@0: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
lbessard@58: #General Public License for more details.
etisserant@0: #
etisserant@5: #You should have received a copy of the GNU General Public
etisserant@0: #License along with this library; if not, write to the Free Software
etisserant@0: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
etisserant@0: 
etisserant@0: import wx
etisserant@0: 
etisserant@0: from GraphicCommons import *
etisserant@0: from plcopen.structures import *
etisserant@0: 
etisserant@0: #-------------------------------------------------------------------------------
etisserant@0: #                         Ladder Diagram PowerRail
etisserant@0: #-------------------------------------------------------------------------------
etisserant@0: 
etisserant@0: """
etisserant@0: Class that implements the graphic representation of a power rail
etisserant@0: """
etisserant@0: 
etisserant@0: class LD_PowerRail(Graphic_Element):
etisserant@0:     
etisserant@0:     # Create a new power rail
etisserant@0:     def __init__(self, parent, type, id = None, connectors = [True]):
etisserant@0:         Graphic_Element.__init__(self, parent)
lbessard@61:         self.Type = None
lbessard@61:         self.Connectors = []
lbessard@71:         self.RealConnectors = None
etisserant@0:         self.Id = id
lbessard@27:         self.Extensions = [LD_LINE_SIZE / 2, LD_LINE_SIZE / 2]
lbessard@27:         if len(connectors) < 1:
lbessard@27:             connectors = [True]
lbessard@61:         self.SetType(type, connectors)
etisserant@0:         
etisserant@0:     # Destructor
etisserant@0:     def __del__(self):
etisserant@0:         self.Connectors = []
etisserant@0:     
etisserant@0:     # Forbids to change the power rail size
etisserant@0:     def SetSize(self, width, height):
lbessard@42:         if self.Parent.GetDrawingMode() == FREEDRAWING_MODE:
lbessard@27:             Graphic_Element.SetSize(self, width, height)
lbessard@27:             self.RefreshConnectors()
etisserant@0:     
etisserant@0:     # Forbids to select a power rail
etisserant@0:     def HitTest(self, pt):
lbessard@42:         if self.Parent.GetDrawingMode() == FREEDRAWING_MODE:
lbessard@27:             return Graphic_Element.HitTest(self, pt) or self.TestConnector(pt, False) != None
etisserant@0:         return False
etisserant@0:     
lbessard@42:     # Forbids to select a power rail
lbessard@42:     def IsInSelection(self, rect):
lbessard@42:         if self.Parent.GetDrawingMode() == FREEDRAWING_MODE:
lbessard@61:             return Graphic_Element.IsInSelection(self, rect)
lbessard@42:         return False
lbessard@42:     
etisserant@0:     # Deletes this power rail by calling the appropriate method
etisserant@0:     def Delete(self):
etisserant@0:         self.Parent.DeletePowerRail(self)
etisserant@0:     
etisserant@0:     # Unconnect all connectors
etisserant@0:     def Clean(self):
etisserant@0:         for connector in self.Connectors:
etisserant@0:             if connector:
lbessard@61:                 connector.UnConnect(delete = self.Parent.GetDrawingMode() == FREEDRAWING_MODE)
etisserant@0:                 
etisserant@0:     # Refresh the power rail bounding box
etisserant@0:     def RefreshBoundingBox(self):
lbessard@64:         dc = wx.ClientDC(self.Parent)
lbessard@64:         self.BoundingBox = wx.Rect(self.Pos.x, self.Pos.y, self.Size[0], self.Size[1] + 1)
etisserant@0:     
etisserant@0:     # Refresh the power rail size
etisserant@0:     def RefreshSize(self):
lbessard@64:         self.Size = wx.Size(2, LD_LINE_SIZE * len(self.Connectors))
etisserant@0:         self.RefreshBoundingBox()
etisserant@0:     
lbessard@27:     # Returns the block minimum size
lbessard@27:     def GetMinSize(self):
lbessard@96:         if self.Parent.GetDrawingMode() == FREEDRAWING_MODE:
lbessard@96:             return 2, self.Extensions[0] + self.Extensions[1]
lbessard@96:         else:
lbessard@96:             return 2, LD_LINE_SIZE * len(self.Connectors)
lbessard@27:     
etisserant@0:     # Add a connector or a blank to this power rail at the last place
etisserant@0:     def AddConnector(self, connector = True):
etisserant@0:         self.InsertConnector(len(self.Connectors), connector)
etisserant@0:     
etisserant@0:     # Add a connector or a blank to this power rail at the place given
etisserant@0:     def InsertConnector(self, idx, connector = True):
etisserant@0:         if connector:
etisserant@0:             if self.Type == LEFTRAIL:
lbessard@80:                 connector = Connector(self, "", "BOOL", wx.Point(self.Size[0], 0), EAST)
etisserant@0:             elif self.Type == RIGHTRAIL:
lbessard@64:                 connector = Connector(self, "", "BOOL", wx.Point(0, 0), WEST)
etisserant@0:             self.Connectors.insert(idx, connector)
etisserant@0:         else:
etisserant@0:             self.Connectors.insert(idx, None)
etisserant@0:         self.RefreshSize()
etisserant@0:         self.RefreshConnectors()
etisserant@0:     
lbessard@27:     # Moves the divergence connector given
lbessard@27:     def MoveConnector(self, connector, movey):
lbessard@27:         position = connector.GetRelPosition()
lbessard@64:         connector.SetPosition(wx.Point(position.x, position.y + movey))
lbessard@27:         miny = self.Size[1]
lbessard@27:         maxy = 0
lbessard@27:         for connect in self.Connectors:
lbessard@27:             connect_pos = connect.GetRelPosition()
lbessard@80:             miny = min(miny, connect_pos.y - self.Extensions[0])
lbessard@80:             maxy = max(maxy, connect_pos.y - self.Extensions[0])
lbessard@80:         min_pos = self.Pos.y + miny
lbessard@27:         self.Pos.y = min(min_pos, self.Pos.y)
lbessard@27:         if min_pos == self.Pos.y:
lbessard@27:             for connect in self.Connectors:
lbessard@27:                 connect_pos = connect.GetRelPosition()
lbessard@80:                 connect.SetPosition(wx.Point(connect_pos.x, connect_pos.y - miny))
lbessard@80:         maxy = 0
lbessard@80:         for connect in self.Connectors:
lbessard@80:             connect_pos = connect.GetRelPosition()
lbessard@80:             maxy = max(maxy, connect_pos.y)
lbessard@80:         self.Size[1] = max(maxy + self.Extensions[1], self.Size[1])
lbessard@27:         connector.MoveConnected()
lbessard@27:         self.RefreshBoundingBox()
lbessard@27:     
etisserant@0:     # Returns the index in connectors list for the connector given
etisserant@0:     def GetConnectorIndex(self, connector):
etisserant@0:         if connector in self.Connectors:
etisserant@0:             return self.Connectors.index(connector)
etisserant@0:         return None
etisserant@0:     
etisserant@0:     # Returns if there is a connector in connectors list at the index given
etisserant@0:     def IsNullConnector(self, idx):
etisserant@0:         if idx < len(self.Connectors):
etisserant@0:             return self.Connectors[idx] == None
etisserant@0:         return False
etisserant@0:     
etisserant@0:     # Delete the connector or blank from connectors list at the index given
etisserant@0:     def DeleteConnector(self, idx):
etisserant@0:         self.Connectors.pop(idx)
etisserant@0:         self.RefreshConnectors()
etisserant@0:         self.RefreshSize()
etisserant@0:     
etisserant@0:     # Refresh the positions of the power rail connectors
etisserant@0:     def RefreshConnectors(self):
lbessard@71:         if self.Parent.GetDrawingMode() == FREEDRAWING_MODE:
lbessard@71:             height = self.Size[1] - self.Extensions[0] - self.Extensions[1]
lbessard@80:             interval = float(height) / float(max(len(self.Connectors) - 1, 1))
lbessard@71:             for i, connector in enumerate(self.Connectors):
lbessard@71:                 position = connector.GetRelPosition()
lbessard@80:                 if self.Type == LEFTRAIL:
lbessard@80:                     if self.RealConnectors:
lbessard@71:                         connector.SetPosition(wx.Point(self.Size[0], self.Extensions[0] + int(round(self.RealConnectors[i] * height))))
lbessard@80:                     else:
lbessard@96:                         connector.SetPosition(wx.Point(self.Size[0], self.Extensions[0] + int(round(i * interval))))
lbessard@80:                 elif self.Type == RIGHTRAIL:
lbessard@80:                     if self.RealConnectors:
lbessard@71:                         connector.SetPosition(wx.Point(0, self.Extensions[0] + int(round(self.RealConnectors[i] * height))))
lbessard@80:                     else:
lbessard@96:                         connector.SetPosition(wx.Point(0, self.Extensions[0] + int(round(i * interval))))
lbessard@71:         else:
lbessard@71:             position = self.Extensions[0]
lbessard@71:             for connector in self.Connectors:
lbessard@71:                 if connector:
lbessard@71:                     if self.Type == LEFTRAIL:
lbessard@71:                         connector.SetPosition(wx.Point(self.Size[0], position))
lbessard@71:                     elif self.Type == RIGHTRAIL:
lbessard@71:                         connector.SetPosition(wx.Point(0, position))
lbessard@71:                 position += LD_LINE_SIZE
etisserant@0:         self.RefreshConnected()
etisserant@0:     
lbessard@7:     # Refresh the position of wires connected to power rail
etisserant@0:     def RefreshConnected(self, exclude = []):
etisserant@0:         for connector in self.Connectors:
lbessard@8:             if connector:
lbessard@8:                 connector.MoveConnected(exclude)
etisserant@0:     
etisserant@0:     # Returns the power rail connector that starts with the point given if it exists 
lbessard@27:     def GetConnector(self, position, name = None):
lbessard@27:         # if a name is given
lbessard@27:         if name:
lbessard@27:             # Test each connector if it exists
lbessard@27:             for connector in self.Connectors:
lbessard@27:                 if connector and name == connector.GetName():
lbessard@27:                     return connector
etisserant@0:         for connector in self.Connectors:
etisserant@0:             if connector:
etisserant@0:                 connector_pos = connector.GetRelPosition()
etisserant@0:                 if position.x == self.Pos.x + connector_pos.x and position.y == self.Pos.y + connector_pos.y:
etisserant@0:                     return connector
etisserant@0:         return None
etisserant@0:     
etisserant@0:     # Returns all the power rail connectors 
etisserant@0:     def GetConnectors(self):
etisserant@0:         return [connector for connector in self.Connectors if connector]
etisserant@0:     
etisserant@0:     # Test if point given is on one of the power rail connectors
etisserant@0:     def TestConnector(self, pt, exclude=True):
etisserant@0:         for connector in self.Connectors:
etisserant@0:             if connector and connector.TestPoint(pt, exclude):
etisserant@0:                 return connector
etisserant@0:         return None
etisserant@0:     
etisserant@0:     # Returns the power rail type
lbessard@61:     def SetType(self, type, connectors):
lbessard@61:         if type != self.Type or len(self.Connectors) != len(connectors):
lbessard@61:             # Create a connector or a blank according to 'connectors' and add it in
lbessard@61:             # the connectors list
lbessard@61:             self.Type = type
lbessard@61:             self.Clean()
lbessard@61:             self.Connectors = []
lbessard@61:             for connector in connectors:
lbessard@61:                 self.AddConnector(connector)
lbessard@61:             self.RefreshSize()
lbessard@61:     
lbessard@61:     # Returns the power rail type
etisserant@0:     def GetType(self):
etisserant@0:         return self.Type
etisserant@0:     
lbessard@27:     # Method called when a LeftDown event have been generated
lbessard@27:     def OnLeftDown(self, event, dc, scaling):
lbessard@27:         pos = GetScaledEventPosition(event, dc, scaling)
lbessard@27:         # Test if a connector have been handled
lbessard@27:         connector = self.TestConnector(pos, False)
lbessard@27:         if connector:
lbessard@27:             self.Handle = (HANDLE_CONNECTOR, connector)
lbessard@64:             self.Parent.SetCursor(wx.StockCursor(wx.CURSOR_HAND))
lbessard@27:             self.Selected = False
lbessard@27:             # Initializes the last position
lbessard@27:             self.oldPos = GetScaledEventPosition(event, dc, scaling)
lbessard@27:         else:
lbessard@71:             self.RealConnectors = []
lbessard@71:             height = self.Size[1] - self.Extensions[0] - self.Extensions[1]
lbessard@71:             for connector in self.Connectors:
lbessard@71:                 position = connector.GetRelPosition()
lbessard@71:                 self.RealConnectors.append(float(position.y - self.Extensions[0])/float(max(1, height)))
lbessard@27:             Graphic_Element.OnLeftDown(self, event, dc, scaling)
lbessard@27:     
lbessard@27:     # Method called when a LeftUp event have been generated
lbessard@27:     def OnLeftUp(self, event, dc, scaling):
lbessard@27:         handle_type, handle = self.Handle
lbessard@27:         if handle_type == HANDLE_CONNECTOR:
lbessard@27:             wires = handle.GetWires()
lbessard@80:             if len(wires) == 1:
lbessard@80:                 if handle == wires[0][0].StartConnected:
lbessard@80:                     block = wires[0][0].EndConnected.GetParentBlock()
lbessard@80:                 else:
lbessard@80:                     block = wires[0][0].StartConnected.GetParentBlock()
lbessard@80:                 block.RefreshModel(False)
lbessard@27:         Graphic_Element.OnLeftUp(self, event, dc, scaling)
lbessard@96:         self.RealConnectors = None
lbessard@27:     
lbessard@28:     # Method called when a LeftDClick event have been generated
lbessard@28:     def OnLeftDClick(self, event, dc, scaling):
lbessard@28:         # Edit the powerrail properties
lbessard@28:         self.Parent.EditPowerRailContent(self)
lbessard@28:     
lbessard@27:     # Method called when a RightUp event have been generated
lbessard@27:     def OnRightUp(self, event, dc, scaling):
lbessard@27:         pos = GetScaledEventPosition(event, dc, scaling)
lbessard@27:         # Popup the menu with special items for a block and a connector if one is handled
lbessard@27:         connector = self.TestConnector(pos, False)
lbessard@27:         if connector:
lbessard@27:             self.Handle = (HANDLE_CONNECTOR, connector)
lbessard@27:         #    self.Parent.PopupDivergenceMenu(True)
lbessard@27:         #else:
lbessard@27:             # Popup the divergence menu without delete branch
lbessard@27:         #    self.Parent.PopupDivergenceMenu(False)
lbessard@27:     
lbessard@27:     # Refreshes the divergence state according to move defined and handle selected
lbessard@27:     def ProcessDragging(self, movex, movey):
lbessard@27:         handle_type, handle = self.Handle
lbessard@27:         # A connector has been handled
lbessard@27:         if handle_type == HANDLE_CONNECTOR:
lbessard@27:             self.MoveConnector(handle, movey)
lbessard@27:         else:
lbessard@27:             Graphic_Element.ProcessDragging(self, movex, movey)
lbessard@27:     
etisserant@0:     # Refreshes the power rail model
etisserant@0:     def RefreshModel(self, move=True):
etisserant@0:         self.Parent.RefreshPowerRailModel(self)
etisserant@0:         # If power rail has moved and power rail is of type LEFT, refresh the model 
etisserant@0:         # of wires connected to connectors
etisserant@0:         if move and self.Type == LEFTRAIL:
etisserant@0:             for connector in self.Connectors:
etisserant@0:                 if connector:
etisserant@0:                     connector.RefreshWires()
etisserant@0:     
etisserant@0:     # Draws power rail
etisserant@0:     def Draw(self, dc):
lbessard@64:         dc.SetPen(wx.BLACK_PEN)
lbessard@64:         dc.SetBrush(wx.BLACK_BRUSH)
etisserant@0:         # Draw a rectangle with the power rail size
etisserant@0:         dc.DrawRectangle(self.Pos.x, self.Pos.y, self.Size[0] + 1, self.Size[1] + 1)
etisserant@0:         # Draw connectors
etisserant@0:         for connector in self.Connectors:
etisserant@0:             if connector:
etisserant@0:                 connector.Draw(dc)
etisserant@0:         Graphic_Element.Draw(self, dc)
etisserant@0: 
etisserant@0: 
etisserant@0: #-------------------------------------------------------------------------------
etisserant@0: #                         Ladder Diagram Contact
etisserant@0: #-------------------------------------------------------------------------------
etisserant@0: 
etisserant@0: """
etisserant@0: Class that implements the graphic representation of a contact
etisserant@0: """
etisserant@0: 
etisserant@0: class LD_Contact(Graphic_Element):
etisserant@0:     
etisserant@0:     # Create a new contact
etisserant@0:     def __init__(self, parent, type, name, id = None):
etisserant@0:         Graphic_Element.__init__(self, parent)
etisserant@0:         self.Type = type
etisserant@0:         self.Name = name
etisserant@0:         self.Id = id
lbessard@64:         self.Size = wx.Size(LD_ELEMENT_SIZE[0], LD_ELEMENT_SIZE[1])
etisserant@0:         # Create an input and output connector
lbessard@64:         self.Input = Connector(self, "", "BOOL", wx.Point(0, self.Size[1] / 2 + 1), WEST)
lbessard@64:         self.Output = Connector(self, "", "BOOL", wx.Point(self.Size[0], self.Size[1] / 2 + 1), EAST)
lbessard@42:         self.RefreshNameSize()
lbessard@42:         self.RefreshTypeSize()
etisserant@0:     
etisserant@0:     # Destructor
etisserant@0:     def __del__(self):
etisserant@0:         self.Input = None
etisserant@0:         self.Output = None
etisserant@0:     
etisserant@0:     # Forbids to change the contact size
etisserant@0:     def SetSize(self, width, height):
lbessard@42:         if self.Parent.GetDrawingMode() == FREEDRAWING_MODE:
lbessard@27:             Graphic_Element.SetSize(self, width, height)
lbessard@27:             self.RefreshConnectors()
etisserant@0:     
etisserant@0:     # Delete this contact by calling the appropriate method
etisserant@0:     def Delete(self):
etisserant@0:         self.Parent.DeleteContact(self)
etisserant@0:     
etisserant@0:     # Unconnect input and output
etisserant@0:     def Clean(self):
lbessard@61:         self.Input.UnConnect(delete = self.Parent.GetDrawingMode() == FREEDRAWING_MODE)
lbessard@61:         self.Output.UnConnect(delete = self.Parent.GetDrawingMode() == FREEDRAWING_MODE)
etisserant@0:     
lbessard@42:     # Refresh the size of text for name
lbessard@42:     def RefreshNameSize(self):
lbessard@64:         dc = wx.ClientDC(self.Parent)
lbessard@42:         if self.Name != "":
lbessard@42:             self.NameSize = dc.GetTextExtent(self.Name)
lbessard@42:         else:
lbessard@42:             self.NameSize = 0, 0
lbessard@42:     
lbessard@42:     # Refresh the size of text for type
lbessard@42:     def RefreshTypeSize(self):
lbessard@64:         dc = wx.ClientDC(self.Parent)
lbessard@42:         typetext = ""
lbessard@42:         if self.Type == CONTACT_REVERSE:
lbessard@42:             typetext = "/"
lbessard@42:         elif self.Type == CONTACT_RISING:
lbessard@42:             typetext = "P"
lbessard@42:         elif self.Type == CONTACT_FALLING:
lbessard@42:             typetext = "N"
lbessard@42:         if typetext != "":
lbessard@42:             self.TypeSize = dc.GetTextExtent(typetext)
lbessard@42:         else:
lbessard@42:             self.TypeSize = 0, 0
lbessard@42:     
etisserant@0:     # Refresh the contact bounding box
etisserant@0:     def RefreshBoundingBox(self):
lbessard@64:         dc = wx.ClientDC(self.Parent)
etisserant@0:         # Calculate the size of the name outside the contact
etisserant@0:         text_width, text_height = dc.GetTextExtent(self.Name)
etisserant@0:         # Calculate the bounding box size
etisserant@0:         if self.Name != "":
etisserant@0:             bbx_x = self.Pos.x - max(0, (text_width - self.Size[0]) / 2)
etisserant@0:             bbx_width = max(self.Size[0], text_width)
etisserant@0:             bbx_y = self.Pos.y - (text_height + 2)
etisserant@0:             bbx_height = self.Size[1] + (text_height + 2)
etisserant@0:         else:
etisserant@0:             bbx_x = self.Pos.x
etisserant@0:             bbx_width = self.Size[0]
etisserant@0:             bbx_y = self.Pos.y
etisserant@0:             bbx_height = self.Size[1]
lbessard@64:         self.BoundingBox = wx.Rect(bbx_x, bbx_y, bbx_width + 1, bbx_height + 1)
etisserant@0:     
lbessard@27:     # Returns the block minimum size
lbessard@27:     def GetMinSize(self):
lbessard@27:         return LD_ELEMENT_SIZE
lbessard@27:     
etisserant@0:     # Refresh the position of wire connected to contact
etisserant@0:     def RefreshConnected(self, exclude = []):
etisserant@0:         self.Input.MoveConnected(exclude)
etisserant@0:         self.Output.MoveConnected(exclude)
etisserant@0:     
etisserant@0:     # Returns the contact connector that starts with the point given if it exists 
lbessard@27:     def GetConnector(self, position, name = None):
lbessard@27:         # if a name is given
lbessard@27:         if name:
lbessard@27:             # Test input and output connector
lbessard@27:             if name == self.Input.GetName():
lbessard@27:                 return self.Input
lbessard@27:             if name == self.Output.GetName():
lbessard@27:                 return self.Output
etisserant@0:         # Test input connector
etisserant@0:         input_pos = self.Input.GetRelPosition()
etisserant@0:         if position.x == self.Pos.x + input_pos.x and position.y == self.Pos.y + input_pos.y:
etisserant@0:             return self.Input
etisserant@0:         # Test output connector
etisserant@0:         output_pos = self.Output.GetRelPosition()
etisserant@0:         if position.x == self.Pos.x + output_pos.x and position.y == self.Pos.y + output_pos.y:
etisserant@0:             return self.Output
etisserant@0:         return None
etisserant@0:     
etisserant@0:     # Returns input and output contact connectors 
etisserant@0:     def GetConnectors(self):
etisserant@0:         return {"input":self.Input,"output":self.Output}
etisserant@0:     
etisserant@0:     # Test if point given is on contact input or output connector
etisserant@0:     def TestConnector(self, pt, exclude=True):
etisserant@0:         # Test input connector
etisserant@0:         if self.Input.TestPoint(pt, exclude):
etisserant@0:             return self.Input
etisserant@0:         # Test output connector
etisserant@0:         if self.Output.TestPoint(pt, exclude):
etisserant@0:             return self.Output
etisserant@0:         return None
etisserant@0: 
lbessard@27:     # Refresh the positions of the block connectors
lbessard@27:     def RefreshConnectors(self):
lbessard@64:         self.Input.SetPosition(wx.Point(0, self.Size[1] / 2 + 1))
lbessard@64:         self.Output.SetPosition(wx.Point(self.Size[0], self.Size[1] / 2 + 1))
lbessard@27:         self.RefreshConnected()
lbessard@27: 
etisserant@0:     # Changes the contact name
etisserant@0:     def SetName(self, name):
etisserant@0:         self.Name = name
lbessard@42:         self.RefreshNameSize()
etisserant@0: 
etisserant@0:     # Returns the contact name
etisserant@0:     def GetName(self):
etisserant@0:         return self.Name
etisserant@0: 
etisserant@0:     # Changes the contact type
etisserant@0:     def SetType(self, type):
etisserant@0:         self.Type = type
lbessard@50:         self.RefreshTypeSize()
etisserant@0: 
etisserant@0:     # Returns the contact type
etisserant@0:     def GetType(self):
etisserant@0:         return self.Type
etisserant@0:     
etisserant@0:     # Method called when a LeftDClick event have been generated
lbessard@27:     def OnLeftDClick(self, event, dc, scaling):
etisserant@0:         # Edit the contact properties
etisserant@0:         self.Parent.EditContactContent(self)
etisserant@0:     
etisserant@0:     # Refreshes the contact model
etisserant@0:     def RefreshModel(self, move=True):
etisserant@0:         self.Parent.RefreshContactModel(self)
etisserant@0:         # If contact has moved, refresh the model of wires connected to output
etisserant@0:         if move:
etisserant@0:             self.Output.RefreshWires()
etisserant@0:     
etisserant@0:     # Draws contact
etisserant@0:     def Draw(self, dc):
lbessard@64:         dc.SetPen(wx.BLACK_PEN)
lbessard@64:         dc.SetBrush(wx.BLACK_BRUSH)
etisserant@0:         # Draw two rectangles for representing the contact
etisserant@0:         dc.DrawRectangle(self.Pos.x, self.Pos.y, 2, self.Size[1] + 1)
etisserant@0:         dc.DrawRectangle(self.Pos.x + self.Size[0] - 1, self.Pos.y, 2, self.Size[1] + 1)
etisserant@0:         # Draw contact name
lbessard@42:         dc.DrawText(self.Name, self.Pos.x + (self.Size[0] - self.NameSize[0]) / 2,
lbessard@42:                 self.Pos.y - (self.NameSize[1] + 2))
etisserant@0:         # Draw the modifier symbol in the middle of contact
etisserant@0:         typetext = ""
etisserant@0:         if self.Type == CONTACT_REVERSE:
etisserant@0:             typetext = "/"
etisserant@0:         elif self.Type == CONTACT_RISING:
etisserant@0:             typetext = "P"
etisserant@0:         elif self.Type == CONTACT_FALLING:
etisserant@0:             typetext = "N"
etisserant@0:         if typetext != "":
lbessard@42:             dc.DrawText(typetext, self.Pos.x + (self.Size[0] - self.TypeSize[0]) / 2 + 1,
lbessard@42:                     self.Pos.y + (self.Size[1] - self.TypeSize[1]) / 2)
etisserant@0:         # Draw input and output connectors
etisserant@0:         self.Input.Draw(dc)
etisserant@0:         self.Output.Draw(dc)
etisserant@0:         Graphic_Element.Draw(self, dc)
etisserant@0: 
etisserant@0: 
etisserant@0: #-------------------------------------------------------------------------------
etisserant@0: #                         Ladder Diagram Coil
etisserant@0: #-------------------------------------------------------------------------------
etisserant@0: 
etisserant@0: """
etisserant@0: Class that implements the graphic representation of a coil
etisserant@0: """
etisserant@0: 
etisserant@0: class LD_Coil(Graphic_Element):
etisserant@0:     
etisserant@0:     # Create a new coil
etisserant@0:     def __init__(self, parent, type, name, id = None):
etisserant@0:         Graphic_Element.__init__(self, parent)
etisserant@0:         self.Type = type
etisserant@0:         self.Name = name
etisserant@0:         self.Id = id
lbessard@64:         self.Size = wx.Size(LD_ELEMENT_SIZE[0], LD_ELEMENT_SIZE[1])
etisserant@0:         # Create an input and output connector
lbessard@64:         self.Input = Connector(self, "", "BOOL", wx.Point(0, self.Size[1] / 2 + 1), WEST)
lbessard@64:         self.Output = Connector(self, "", "BOOL", wx.Point(self.Size[0], self.Size[1] / 2 + 1), EAST)
lbessard@42:         self.RefreshNameSize()
lbessard@42:         self.RefreshTypeSize()
etisserant@0:         
etisserant@0:     # Destructor
etisserant@0:     def __del__(self):
etisserant@0:         self.Input = None
etisserant@0:         self.Output = None
etisserant@0:     
etisserant@0:     # Forbids to change the contact size
etisserant@0:     def SetSize(self, width, height):
lbessard@42:         if self.Parent.GetDrawingMode() == FREEDRAWING_MODE:
lbessard@27:             Graphic_Element.SetSize(self, width, height)
lbessard@27:             self.RefreshConnectors()
etisserant@0:     
etisserant@0:     # Delete this coil by calling the appropriate method
etisserant@0:     def Delete(self):
etisserant@0:         self.Parent.DeleteCoil(self)
etisserant@0:     
etisserant@0:     # Unconnect input and output
etisserant@0:     def Clean(self):
etisserant@0:         self.Input.UnConnect()
etisserant@0:         self.Output.UnConnect()
etisserant@0:                 
lbessard@42:     # Refresh the size of text for name
lbessard@42:     def RefreshNameSize(self):
lbessard@64:         dc = wx.ClientDC(self.Parent)
lbessard@42:         if self.Name != "":
lbessard@42:             self.NameSize = dc.GetTextExtent(self.Name)
lbessard@42:         else:
lbessard@42:             self.NameSize = 0, 0
lbessard@42:     
lbessard@42:     # Refresh the size of text for type
lbessard@42:     def RefreshTypeSize(self):
lbessard@64:         dc = wx.ClientDC(self.Parent)
lbessard@42:         typetext = ""
lbessard@42:         if self.Type == COIL_REVERSE:
lbessard@42:             typetext = "/"
lbessard@42:         elif self.Type == COIL_SET:
lbessard@42:             typetext = "S"
lbessard@42:         elif self.Type == COIL_RESET:
lbessard@42:             typetext = "R"
lbessard@42:         if typetext != "":
lbessard@42:             self.TypeSize = dc.GetTextExtent(typetext)
lbessard@42:         else:
lbessard@42:             self.TypeSize = 0, 0
lbessard@42:     
etisserant@0:     # Refresh the coil bounding box
etisserant@0:     def RefreshBoundingBox(self):
lbessard@64:         dc = wx.ClientDC(self.Parent)
etisserant@0:         # Calculate the size of the name outside the coil
etisserant@0:         text_width, text_height = dc.GetTextExtent(self.Name)
etisserant@0:         # Calculate the bounding box size
etisserant@0:         if self.Name != "":
etisserant@0:             bbx_x = self.Pos.x - max(0, (text_width - self.Size[0]) / 2)
etisserant@0:             bbx_width = max(self.Size[0], text_width)
etisserant@0:             bbx_y = self.Pos.y - (text_height + 2)
etisserant@0:             bbx_height = self.Size[1] + (text_height + 2)
etisserant@0:         else:
etisserant@0:             bbx_x = self.Pos.x
etisserant@0:             bbx_width = self.Size[0]
etisserant@0:             bbx_y = self.Pos.y
etisserant@0:             bbx_height = self.Size[1]
lbessard@64:         self.BoundingBox = wx.Rect(bbx_x, bbx_y, bbx_width + 1, bbx_height + 1)
lbessard@27:         
lbessard@27:     # Returns the block minimum size
lbessard@27:     def GetMinSize(self):
lbessard@27:         return LD_ELEMENT_SIZE
etisserant@0:     
etisserant@0:     # Refresh the position of wire connected to coil
etisserant@0:     def RefreshConnected(self, exclude = []):
etisserant@0:         self.Input.MoveConnected(exclude)
etisserant@0:         self.Output.MoveConnected(exclude)
etisserant@0:     
etisserant@0:     # Returns the coil connector that starts with the point given if it exists 
lbessard@27:     def GetConnector(self, position, name = None):
lbessard@27:         # if a name is given
lbessard@27:         if name:
lbessard@27:             # Test input and output connector
lbessard@27:             if self.Input and name == self.Input.GetName():
lbessard@27:                 return self.Input
lbessard@27:             if self.Output and name == self.Output.GetName():
lbessard@27:                 return self.Output
etisserant@0:         # Test input connector
etisserant@0:         input_pos = self.Input.GetRelPosition()
etisserant@0:         if position.x == self.Pos.x + input_pos.x and position.y == self.Pos.y + input_pos.y:
etisserant@0:             return self.Input
etisserant@0:         # Test output connector
etisserant@0:         output_pos = self.Output.GetRelPosition()
etisserant@0:         if position.x == self.Pos.x + output_pos.x and position.y == self.Pos.y + output_pos.y:
etisserant@0:             return self.Output
etisserant@0:         return None
etisserant@0:     
etisserant@0:     # Returns input and output coil connectors 
etisserant@0:     def GetConnectors(self):
etisserant@0:         return {"input":self.Input,"output":self.Output}
etisserant@0:     
etisserant@0:     # Test if point given is on coil input or output connector
etisserant@0:     def TestConnector(self, pt, exclude=True):
etisserant@0:         # Test input connector
etisserant@0:         if self.Input.TestPoint(pt, exclude):
etisserant@0:             return self.Input
etisserant@0:         # Test output connector
etisserant@0:         if self.Output.TestPoint(pt, exclude):
etisserant@0:             return self.Output
etisserant@0:         return None
etisserant@0:     
lbessard@27:     # Refresh the positions of the block connectors
lbessard@27:     def RefreshConnectors(self):
lbessard@64:         self.Input.SetPosition(wx.Point(0, self.Size[1] / 2 + 1))
lbessard@64:         self.Output.SetPosition(wx.Point(self.Size[0], self.Size[1] / 2 + 1))
lbessard@27:         self.RefreshConnected()
lbessard@27:     
etisserant@0:     # Changes the coil name
etisserant@0:     def SetName(self, name):
etisserant@0:         self.Name = name
lbessard@42:         self.RefreshNameSize()
etisserant@0: 
etisserant@0:     # Returns the coil name
etisserant@0:     def GetName(self):
etisserant@0:         return self.Name
etisserant@0:     
etisserant@0:     # Changes the coil type
etisserant@0:     def SetType(self, type):
etisserant@0:         self.Type = type
lbessard@42:         self.RefreshTypeSize()
etisserant@0:     
etisserant@0:     # Returns the coil type
etisserant@0:     def GetType(self):
etisserant@0:         return self.Type
etisserant@0:     
etisserant@0:     # Method called when a LeftDClick event have been generated
lbessard@27:     def OnLeftDClick(self, event, dc, scaling):
etisserant@0:         # Edit the coil properties
etisserant@0:         self.Parent.EditCoilContent(self)
etisserant@0:     
etisserant@0:     # Refreshes the coil model
etisserant@0:     def RefreshModel(self, move=True):
etisserant@0:         self.Parent.RefreshCoilModel(self)
etisserant@0:         # If coil has moved, refresh the model of wires connected to output
etisserant@0:         if move:
etisserant@0:             self.Output.RefreshWires()
etisserant@0:     
etisserant@0:     # Draws coil
etisserant@0:     def Draw(self, dc):
lbessard@64:         dc.SetPen(wx.Pen(wx.BLACK, 2, wx.SOLID))
lbessard@64:         dc.SetBrush(wx.TRANSPARENT_BRUSH)
etisserant@0:         # Draw a two circle arcs for representing the coil
etisserant@0:         dc.DrawEllipticArc(self.Pos.x, self.Pos.y - int(self.Size[1] * (sqrt(2) - 1.) / 2.) + 1, self.Size[0], int(self.Size[1] * sqrt(2)) - 1, 135, 225)
etisserant@0:         dc.DrawEllipticArc(self.Pos.x, self.Pos.y - int(self.Size[1] * (sqrt(2) - 1.) / 2.) + 1, self.Size[0], int(self.Size[1] * sqrt(2)) - 1, -45, 45)
lbessard@64:         dc.SetPen(wx.BLACK_PEN)
etisserant@0:         dc.DrawPoint(self.Pos.x + 1, self.Pos.y + self.Size[1] / 2 + 1)
etisserant@0:         # Draw coil name
lbessard@42:         dc.DrawText(self.Name, self.Pos.x + (self.Size[0] - self.NameSize[0]) / 2,
lbessard@42:                 self.Pos.y - (self.NameSize[1] + 2))
etisserant@0:         # Draw the modifier symbol in the middle of coil
etisserant@0:         typetext = ""
etisserant@0:         if self.Type == COIL_REVERSE:
etisserant@0:             typetext = "/"
etisserant@0:         elif self.Type == COIL_SET:
etisserant@0:             typetext = "S"
etisserant@0:         elif self.Type == COIL_RESET:
etisserant@0:             typetext = "R"
etisserant@0:         if typetext != "":
lbessard@42:             dc.DrawText(typetext, self.Pos.x + (self.Size[0] - self.TypeSize[0]) / 2 + 1,
lbessard@42:                     self.Pos.y + (self.Size[1] - self.TypeSize[1]) / 2)
etisserant@0:         # Draw input and output connectors
etisserant@0:         self.Input.Draw(dc)
etisserant@0:         self.Output.Draw(dc)
etisserant@0:         Graphic_Element.Draw(self, dc)