beremiz: comparison graphics/GraphicCommons.py

equal deleted inserted replaced

-:31e63e25b4cc
+:64beb9e9c749
 import wx
 from math import *
 from types import *
 import datetime
-from threading import Lock,Timer
+from threading import Lock, Timer
 from graphics.ToolTipProducer import ToolTipProducer
 from graphics.DebugDataConsumer import DebugDataConsumer
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 #                               Common constants
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 """
 Definition of constants for dimensions of graphic elements
 """
 # Constants for defining the type of dragging that has been selected
 [HANDLE_MOVE, HANDLE_RESIZE, HANDLE_POINT, HANDLE_SEGMENT, HANDLE_CONNECTOR] = range(5)
 # List of value for resize handle that are valid
-VALID_HANDLES = [(1,1), (1,2), (1,3), (2,3), (3,3), (3,2), (3,1), (2,1)]
+VALID_HANDLES = [(1, 1), (1, 2), (1, 3), (2, 3), (3, 3), (3, 2), (3, 1), (2, 1)]
 # Contants for defining the direction of a connector
-[EAST, NORTH, WEST, SOUTH] = [(1,0), (0,-1), (-1,0), (0,1)]
+[EAST, NORTH, WEST, SOUTH] = [(1, 0), (0, -1), (-1, 0), (0, 1)]
 # Contants for defining which mode is selected for each view
 [MODE_SELECTION, MODE_BLOCK, MODE_VARIABLE, MODE_CONNECTION, MODE_COMMENT,
 MODE_COIL, MODE_CONTACT, MODE_POWERRAIL, MODE_INITIALSTEP, MODE_STEP,
 MODE_TRANSITION, MODE_DIVERGENCE, MODE_JUMP, MODE_ACTION, MODE_MOTION] = range(15)
 # Contants for defining alignment types for graphic group
 [ALIGN_LEFT, ALIGN_CENTER, ALIGN_RIGHT, ALIGN_TOP, ALIGN_MIDDLE, ALIGN_BOTTOM] = range(6)
 # Contants for defining which drawing mode is selected for app
 [FREEDRAWING_MODE, DRIVENDRAWING_MODE] = [1, 2]
 # Define highlight refresh inhibition period in second
 REFRESH_HIGHLIGHT_PERIOD = 0.1
 HANDLE_CURSORS = {
-(1, 1) : 2,
+(1, 1): 2,
-(3, 3) : 2,
+(3, 3): 2,
-(1, 3) : 3,
+(1, 3): 3,
-(3, 1) : 3,
+(3, 1): 3,
-(1, 2) : 4,
+(1, 2): 4,
-(3, 2) : 4,
+(3, 2): 4,
-(2, 1) : 5,
+(2, 1): 5,
-(2, 3) : 5
+(2, 3): 5
 }
 def round_scaling(x, n, constraint=0):
 fraction = float(x) / float(n)
 if constraint == -1:
 xround = int(fraction)
 else:
 xround = round(fraction)
 if constraint == 1 and xround < fraction:
 xround += 1
 return int(xround * n)
 """
 Basic vector operations for calculate wire points
 """
-# Create a vector from two points and define if vector must be normal
-def vector(p1, p2, normal = True):
+def vector(p1, p2, normal=True):
+"""
+Create a vector from two points and define if vector must be normal
+"""
 vector = (p2.x - p1.x, p2.y - p1.y)
 if normal:
 return normalize(vector)
 return vector
-# Calculate the norm of a given vector
 def norm(v):
+"""
+Calculate the norm of a given vector
+"""
 return sqrt(v[0] * v[0] + v[1] * v[1])
-# Normalize a given vector
 def normalize(v):
+"""
+Normalize a given vector
+"""
 v_norm = norm(v)
 # Verifie if it is not a null vector
 if v_norm > 0:
 return (v[0] / v_norm, v[1] / v_norm)
 else:
 return v
-# Calculate the scalar product of two vectors
 def is_null_vector(v):
+"""
+Calculate the scalar product of two vectors
+"""
 return v == (0, 0)
-# Calculate the scalar product of two vectors
 def add_vectors(v1, v2):
+"""
+Calculate the scalar product of two vectors
+"""
 return (v1[0] + v2[0], v1[1] + v2[1])
-# Calculate the scalar product of two vectors
 def product(v1, v2):
+"""
+Calculate the scalar product of two vectors
+"""
 return v1[0] * v2[0] + v1[1] * v2[1]
-"""
-Function that calculates the nearest point of the grid defined by scaling for the given point
-"""
 def GetScaledEventPosition(event, dc, scaling):
+"""
+Function that calculates the nearest point of the grid defined by scaling for the given point
+"""
 pos = event.GetLogicalPosition(dc)
 if scaling:
 pos.x = round(float(pos.x) / float(scaling[0])) * scaling[0]
 pos.y = round(float(pos.y) / float(scaling[1])) * scaling[1]
 return pos
-"""
-Function that choose a direction during the wire points generation
-"""
 def DirectionChoice(v_base, v_target, dir_target):
+"""
+Function that choose a direction during the wire points generation
+"""
 dir_product = product(v_base, v_target)
 if dir_product < 0:
 return (-v_base[0], -v_base[1])
 elif dir_product == 0 and product(v_base, dir_target) != 0:
 return dir_target
 return v_base
 def MiterPen(colour, width=1, style=wx.SOLID):
 pen = wx.Pen(colour, width, style)
 pen.SetJoin(wx.JOIN_MITER)
 pen.SetCap(wx.CAP_PROJECTING)
 return pen
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 #                    Helpers for highlighting text
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 def AddHighlight(highlights, infos):
 RemoveHighlight(highlights, infos)
 highlights.append(infos)
 def RemoveHighlight(highlights, infos):
 if infos in highlights:
 highlights.remove(infos)
 return True
 return False
 def ClearHighlight(highlights, highlight_type=None):
 if highlight_type is not None:
 return [highlight for highlight in highlights if highlight[2] != highlight_type]
 return []
 def DrawHighlightedText(dc, text, highlights, x, y):
 current_pen = dc.GetPen()
 dc.SetPen(wx.TRANSPARENT_PEN)
 for start, end, highlight_type in highlights:
 dc.DrawRectangle(x + offset_width, y, part_width, part_height)
 dc.SetTextForeground(highlight_type[1])
 dc.DrawText(part, x + offset_width, y)
 dc.SetPen(current_pen)
 dc.SetTextForeground(wx.BLACK)
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 #                           Graphic element base class
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
-"""
-Class that implements a generic graphic element
-"""
 class Graphic_Element(ToolTipProducer):
+"""
+Class that implements a generic graphic element
+"""
 # Create a new graphic element
-def __init__(self, parent, id = None):
+def __init__(self, parent, id=None):
 ToolTipProducer.__init__(self, parent)
 self.Parent = parent
 self.Id = id
 self.oldPos = None
 self.StartPos = None
 self.CurrentDrag = None
-self.Handle = (None,None)
+self.Handle = (None, None)
 self.Dragging = False
 self.Selected = False
 self.Highlighted = False
 self.Pos = wx.Point(0, 0)
 self.Size = wx.Size(0, 0)
 self.BoundingBox = wx.Rect(0, 0, 0, 0)
 self.Visible = False
 def GetDefinition(self):
 return [self.Id], []
 def TestVisible(self, screen):
 self.Visible = self.Selected or self.GetRedrawRect().Intersects(screen)
 def IsVisible(self):
 return self.Visible
 def SpreadCurrent(self):
 pass
 def GetConnectorTranslation(self, element):
 return {}
 def FindNearestConnector(self, position, connectors):
 distances = []
 for connector in connectors:
 connector_pos = connector.GetRelPosition()
 distances.append((sqrt((self.Pos.x + connector_pos.x - position.x) ** 2 +
 connector))
 distances.sort()
 if len(distances) > 0:
 return distances[0][1]
 return None
 def IsOfType(self, type, reference):
 return self.Parent.IsOfType(type, reference)
 def IsEndType(self, type):
 return self.Parent.IsEndType(type)
 def GetDragging(self):
 return self.Dragging
 # Make a clone of this element
 def Clone(self, parent):
 return Graphic_Element(parent, self.Id)
 # Changes the block position
 def SetPosition(self, x, y):
 self.Pos.x = x
 self.Pos.y = y
 self.RefreshConnected()
 self.RefreshBoundingBox()
 # Returns the block position
 def GetPosition(self):
 return self.Pos.x, self.Pos.y
 # Changes the element size
 def SetSize(self, width, height):
 self.Size.SetWidth(width)
 self.Size.SetHeight(height)
 self.RefreshConnectors()
 self.RefreshBoundingBox()
 # Returns the element size
 def GetSize(self):
 return self.Size.GetWidth(), self.Size.GetHeight()
 # Returns the minimum element size
 def GetMinSize(self):
 return 0, 0
 # Set size of the element to the minimum size
 def SetBestSize(self, scaling, x_factor=0.5, y_factor=0.5):
 width, height = self.GetSize()
 posx, posy = self.GetPosition()
 min_width, min_height = self.GetMinSize()
 self.Pos.y = round_scaling(self.Pos.y, scaling[1])
 width = round_scaling(width, scaling[0], 1)
 height = round_scaling(height, scaling[1], 1)
 self.SetSize(width, height)
 return self.Pos.x - posx, self.Pos.y - posy
 # Refresh the element Bounding Box
 def RefreshBoundingBox(self):
 self.BoundingBox = wx.Rect(self.Pos.x, self.Pos.y, self.Size[0], self.Size[1])
 # Refresh the element connectors position
 def RefreshConnectors(self):
 pass
 # Refresh the position of wires connected to element inputs and outputs
 def RefreshConnected(self):
 pass
 # Change the parent
 def SetParent(self, parent):
 self.Parent = parent
 # Override this method for defining the method to call for deleting this element
 def Delete(self):
 pass
 # Returns the Id
 def GetId(self):
 return self.Id
 # Returns if the point given is in the bounding box
 def HitTest(self, pt, connectors=True):
 if connectors:
 rect = self.BoundingBox
 else:
 rect = wx.Rect(self.Pos.x, self.Pos.y, self.Size[0], self.Size[1])
 return rect.InsideXY(pt.x, pt.y)
 # Returns if the point given is in the bounding box
 def IsInSelection(self, rect):
 return rect.InsideXY(self.BoundingBox.x, self.BoundingBox.y) and rect.InsideXY(self.BoundingBox.x + self.BoundingBox.width, self.BoundingBox.y + self.BoundingBox.height)
 # Override this method for refreshing the bounding box
 def RefreshBoundingBox(self):
 pass
 # Returns the bounding box
 def GetBoundingBox(self):
 return self.BoundingBox
 # Returns the RedrawRect
-def GetRedrawRect(self, movex = 0, movey = 0):
+def GetRedrawRect(self, movex=0, movey=0):
 scalex, scaley = self.Parent.GetViewScale()
 rect = wx.Rect()
 rect.x = self.BoundingBox.x - int(HANDLE_SIZE / scalex) - 3 - abs(movex)
 rect.y = self.BoundingBox.y - int(HANDLE_SIZE / scaley) - 3 - abs(movey)
 rect.width = self.BoundingBox.width + 2 * (int(HANDLE_SIZE / scalex) + abs(movex) + 1) + 4
 rect.height = self.BoundingBox.height + 2 * (int(HANDLE_SIZE / scaley) + abs(movey) + 1) + 4
 return rect
-def Refresh(self, rect = None):
+def Refresh(self, rect=None):
 if self.Visible:
 if rect is not None:
 self.Parent.RefreshRect(self.Parent.GetScrolledRect(rect), False)
 else:
 self.Parent.RefreshRect(self.Parent.GetScrolledRect(self.GetRedrawRect()), False)
 # Change the variable that indicates if this element is selected
 def SetSelected(self, selected):
 self.Selected = selected
 self.Refresh()
 # Change the variable that indicates if this element is highlighted
 def SetHighlighted(self, highlighted):
 self.Highlighted = highlighted
 self.Refresh()
 # Test if the point is on a handle of this element
 def TestHandle(self, event):
 dc = self.Parent.GetLogicalDC()
 scalex, scaley = dc.GetUserScale()
 pos = event.GetPosition()
 pt = wx.Point(*self.Parent.CalcUnscrolledPosition(pos.x, pos.y))
 left = (self.BoundingBox.x - 2) * scalex - HANDLE_SIZE
 center = (self.BoundingBox.x + self.BoundingBox.width / 2) * scalex - HANDLE_SIZE / 2
 right = (self.BoundingBox.x + self.BoundingBox.width + 2) * scalex
 top = (self.BoundingBox.y - 2) * scaley - HANDLE_SIZE
 middle = (self.BoundingBox.y + self.BoundingBox.height / 2) * scaley - HANDLE_SIZE / 2
 bottom = (self.BoundingBox.y + self.BoundingBox.height + 2) * scaley
 extern_rect = wx.Rect(left, top, right + HANDLE_SIZE - left, bottom + HANDLE_SIZE - top)
 intern_rect = wx.Rect(left + HANDLE_SIZE, top + HANDLE_SIZE, right - left - HANDLE_SIZE, bottom - top - HANDLE_SIZE)
 # Verify that this element is selected
 if self.Selected and extern_rect.InsideXY(pt.x, pt.y) and not intern_rect.InsideXY(pt.x, pt.y):
 # Find if point is on a handle horizontally
 if left <= pt.x < left + HANDLE_SIZE:
 handle_x = 1
 handle_y = 0
 # Verify that the result is valid
 if (handle_x, handle_y) in VALID_HANDLES:
 return handle_x, handle_y
 return 0, 0
 # Method called when a LeftDown event have been generated
 def OnLeftDown(self, event, dc, scaling):
 pos = event.GetLogicalPosition(dc)
 # Test if an handle have been clicked
 handle = self.TestHandle(event)
 self.SetSelected(False)
 # Initializes the last position
 self.oldPos = GetScaledEventPosition(event, dc, scaling)
 self.StartPos = wx.Point(self.Pos.x, self.Pos.y)
 self.CurrentDrag = wx.Point(0, 0)
 # Method called when a LeftUp event have been generated
 def OnLeftUp(self, event, dc, scaling):
 # If a dragging have been initiated
 if self.Dragging and self.oldPos:
 self.RefreshModel()
 self.Parent.PopupForceMenu()
 # Method called when a LeftDClick event have been generated
 def OnLeftDClick(self, event, dc, scaling):
 pass
 # Method called when a Motion event have been generated
 def OnMotion(self, event, dc, scaling):
 # If the cursor is dragging and the element have been clicked
 if event.Dragging() and self.oldPos:
 # Calculate the movement of cursor
 cursor = HANDLE_CURSORS.get(handle, 0)
 wx.CallAfter(self.Parent.SetCurrentCursor, cursor)
 return 0, 0
 # Moves the element
-def Move(self, dx, dy, exclude = []):
+def Move(self, dx, dy, exclude=[]):
 self.Pos.x += max(-self.BoundingBox.x, dx)
 self.Pos.y += max(-self.BoundingBox.y, dy)
 self.RefreshConnected(exclude)
 self.RefreshBoundingBox()
 # Resizes the element from position and size given
 def Resize(self, x, y, width, height):
 self.Move(x, y)
 self.SetSize(width, height)
 # Refreshes the element state according to move defined and handle selected
-def ProcessDragging(self, movex, movey, event, scaling, width_fac = 1, height_fac = 1):
+def ProcessDragging(self, movex, movey, event, scaling, width_fac=1, height_fac=1):
 handle_type, handle = self.Handle
 # If it is a resize handle, calculate the values from resizing
 if handle_type == HANDLE_RESIZE:
 if scaling is not None:
 scaling = (scaling[0] * width_fac, scaling[1] * height_fac)
 if abs(self.CurrentDrag.x) > abs(self.CurrentDrag.y):
 movex = self.StartPos.x + self.CurrentDrag.x - self.Pos.x
 movey = self.StartPos.y - self.Pos.y
 else:
 movex = self.StartPos.x - self.Pos.x
 movey = self.StartPos.y + self.CurrentDrag.y - self.Pos.y
 self.Move(movex, movey)
 return movex, movey
 return 0, 0
 # Override this method for defining the method to call for adding an highlight to this element
 def AddHighlight(self, infos, start, end, highlight_type):
 pass
 # Override this method for defining the method to call for removing an highlight from this element
 def RemoveHighlight(self, infos, start, end, highlight_type):
 pass
 # Override this method for defining the method to call for removing all the highlights of one particular type from this element
 def ClearHighlight(self, highlight_type=None):
 pass
 # Override this method for defining the method to call for refreshing the model of this element
 def RefreshModel(self, move=True):
 pass
 # Draws the highlightment of this element if it is highlighted (can be overwritten)
 def DrawHighlightment(self, dc):
 scalex, scaley = dc.GetUserScale()
 dc.SetUserScale(1, 1)
 dc.SetPen(MiterPen(HIGHLIGHTCOLOR))
 dc.SetBrush(wx.Brush(HIGHLIGHTCOLOR))
 dc.SetLogicalFunction(wx.AND)
 dc.DrawRectangle(int(round((self.Pos.x - 1) * scalex)) - 2,
 int(round((self.Pos.y - 1) * scaley)) - 2,
 int(round((self.Size.width + 3) * scalex)) + 5,
 int(round((self.Size.height + 3) * scaley)) + 5)
 dc.SetLogicalFunction(wx.COPY)
 dc.SetUserScale(scalex, scaley)
 # Draws the handles of this element if it is selected
 def Draw(self, dc):
 if not getattr(dc, "printing", False):
 if self.Highlighted:
 self.DrawHighlightment(dc)
 if self.Selected:
 scalex, scaley = dc.GetUserScale()
 dc.SetUserScale(1, 1)
 dc.SetPen(MiterPen(wx.BLACK))
 dc.SetBrush(wx.BLACK_BRUSH)
 left = (self.BoundingBox.x - 2) * scalex - HANDLE_SIZE
 center = (self.BoundingBox.x + self.BoundingBox.width / 2) * scalex - HANDLE_SIZE / 2
 right = (self.BoundingBox.x + self.BoundingBox.width + 2) * scalex
 top = (self.BoundingBox.y - 2) * scaley - HANDLE_SIZE
 middle = (self.BoundingBox.y + self.BoundingBox.height / 2) * scaley - HANDLE_SIZE / 2
 bottom = (self.BoundingBox.y + self.BoundingBox.height + 2) * scaley
 for x, y in [(left, top), (center, top), (right, top),
 (left, middle), (right, middle),
 (left, bottom), (center, bottom), (right, bottom)]:
 dc.DrawRectangle(x, y, HANDLE_SIZE, HANDLE_SIZE)
 dc.SetUserScale(scalex, scaley)
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 #                           Group of graphic elements
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
-"""
-Class that implements a group of graphic elements
-"""
 class Graphic_Group(Graphic_Element):
+"""
+Class that implements a group of graphic elements
+"""
 # Create a new group of graphic elements
 def __init__(self, parent):
 Graphic_Element.__init__(self, parent)
 self.Elements = []
 self.RefreshWireExclusion()
 self.RefreshBoundingBox()
 # Destructor
 def __del__(self):
 self.Elements = []
 def GetDefinition(self):
 blocks = []
 wires = []
 for element in self.Elements:
 block, wire = element.GetDefinition()
 blocks.extend(block)
 wires.extend(wire)
 return blocks, wires
 # Make a clone of this element
-def Clone(self, parent, pos = None):
+def Clone(self, parent, pos=None):
 group = Graphic_Group(parent)
 connectors = {}
 exclude_names = {}
 wires = []
 if pos is not None:
 new_pos = wx.Point(x + dx, y + dy)
 newid = parent.GetNewId()
 if parent.IsNamedElement(element):
 name = parent.GenerateNewName(element, exclude_names)
 exclude_names[name.upper()] = True
-new_element = element.Clone(parent, newid, name, pos = new_pos)
+new_element = element.Clone(parent, newid, name, pos=new_pos)
 else:
-new_element = element.Clone(parent, newid, pos = new_pos)
+new_element = element.Clone(parent, newid, pos=new_pos)
 new_element.SetBestSize(parent.Scaling)
 else:
 new_element = element.Clone(parent)
 connectors.update(element.GetConnectorTranslation(new_element))
 group.SelectElement(new_element)
 if pos is not None:
 for element in group.Elements:
 if not isinstance(element, Wire):
 parent.AddBlockInModel(element)
 return group
 def CanAddBlocks(self, parent):
 valid = True
 for element in self.Elements:
 if not isinstance(element, Wire):
 valid &= parent.CanAddElement(element)
 return valid
 def IsVisible(self):
 for element in self.Elements:
 if element.IsVisible():
 return True
 return False
 # Refresh the list of wire excluded
 def RefreshWireExclusion(self):
 self.WireExcluded = []
 for element in self.Elements:
 if isinstance(element, Wire):
 startblock = element.StartConnected.GetParentBlock()
 endblock = element.EndConnected.GetParentBlock()
 if startblock in self.Elements and endblock in self.Elements:
 self.WireExcluded.append(element)
 # Returns the RedrawRect
-def GetRedrawRect(self, movex = 0, movey = 0):
+def GetRedrawRect(self, movex=0, movey=0):
 rect = None
 for element in self.Elements:
 if rect is None:
 rect = element.GetRedrawRect(movex, movey)
 else:
 rect = rect.Union(element.GetRedrawRect(movex, movey))
 return rect
 # Clean this group of elements
 def Clean(self):
 # Clean all the elements of the group
 for element in self.Elements:
 element.Clean()
 # Delete this group of elements
 def Delete(self):
 # Delete all the elements of the group
 for element in self.Elements:
 element.Delete()
 self.WireExcluded = []
 # Returns if the point given is in the bounding box of one of the elements of this group
 def HitTest(self, pt, connectors=True):
 result = False
 for element in self.Elements:
 result |= element.HitTest(pt, connectors)
 return result
 # Returns if the element given is in this group
 def IsElementIn(self, element):
 return element in self.Elements
 # Change the elements of the group
 def SetElements(self, elements):
 self.Elements = elements
 self.RefreshWireExclusion()
 self.RefreshBoundingBox()
 # Returns the elements of the group
 def GetElements(self):
 return self.Elements
 # Align the group elements
 def AlignElements(self, horizontally, vertically):
 minx = self.BoundingBox.x + self.BoundingBox.width
 miny = self.BoundingBox.y + self.BoundingBox.height
 maxx = self.BoundingBox.x
 movey = maxy - height - posy
 if movex != 0 or movey != 0:
 element.Move(movex, movey)
 element.RefreshModel()
 self.RefreshBoundingBox()
 # Add the given element to the group of elements
 def AddElement(self, element):
 self.Elements.append(element)
 # Remove or select the given element if it is or not in the group
 def SelectElement(self, element):
 if element in self.Elements:
 self.Elements.remove(element)
 else:
 self.Elements.append(element)
 self.RefreshWireExclusion()
 self.RefreshBoundingBox()
 # Move this group of elements
 def Move(self, movex, movey):
 movex = max(-self.BoundingBox.x, movex)
 movey = max(-self.BoundingBox.y, movey)
 # Move all the elements of the group
 if not isinstance(element, Wire):
 element.Move(movex, movey, self.WireExcluded)
 elif element in self.WireExcluded:
 element.Move(movex, movey, True)
 self.RefreshBoundingBox()
 # Refreshes the bounding box of this group of elements
 def RefreshBoundingBox(self):
 if len(self.Elements) > 0:
 bbox = self.Elements[0].GetBoundingBox()
 minx, miny = bbox.x, bbox.y
 self.Size = wx.Size(self.BoundingBox.width, self.BoundingBox.height)
 # Forbids to change the group position
 def SetPosition(x, y):
 pass
 # Returns the position of this group
 def GetPosition(self, exclude_wires=False):
 if exclude_wires:
 posx = posy = None
 for element in self.Elements:
 posy = min(posy, bbox.y)
 if posx is None and posy is None:
 return 0, 0
 return posx, posy
 return self.BoundingBox.x, self.BoundingBox.y
 # Forbids to change the group size
 def SetSize(width, height):
 pass
 # Returns the size of this group
 def GetSize(self):
 return self.BoundingBox.width, self.BoundingBox.height
 # Set size of the group elements to their minimum size
 def SetBestSize(self, scaling):
 max_movex = max_movey = 0
 for element in self.Elements:
 movex, movey = element.SetBestSize(scaling)
 max_movex = max(max_movex, movex)
 max_movey = max(max_movey, movey)
 return max_movex, max_movey
 # Refreshes the group elements to move defined and handle selected
 def ProcessDragging(self, movex, movey, event, scaling):
 handle_type, handle = self.Handle
 # If it is a move handle, Move this group elements
 if handle_type == HANDLE_MOVE:
 movex = self.StartPos.x - posx
 movey = self.StartPos.y + self.CurrentDrag.y - posy
 self.Move(movex, movey)
 return movex, movey
 return 0, 0
 # Change the variable that indicates if this element is highlighted
 def SetHighlighted(self, highlighted):
 for element in self.Elements:
 element.SetHighlighted(highlighted)
 def HighlightPoint(self, pos):
 for element in self.Elements:
 if isinstance(element, Wire):
 element.HighlightPoint(pos)
 # Method called when a LeftDown event have been generated
 def OnLeftDown(self, event, dc, scaling):
 Graphic_Element.OnLeftDown(self, event, dc, scaling)
 self.StartPos = wx.Point(*self.GetPosition(True))
 for element in self.Elements:
 # Draws the handles of this element if it is selected
 def Draw(self, dc):
 for element in self.Elements:
 element.Draw(dc)
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 #                         Connector for all types of blocks
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
-"""
-Class that implements a connector for any type of block
-"""
 class Connector(DebugDataConsumer, ToolTipProducer):
+"""
+Class that implements a connector for any type of block
+"""
 # Create a new connector
-def __init__(self, parent, name, type, position, direction, negated = False, edge = "none", onlyone = False):
+def __init__(self, parent, name, type, position, direction, negated=False, edge="none", onlyone=False):
 DebugDataConsumer.__init__(self)
 ToolTipProducer.__init__(self, parent.Parent)
 self.ParentBlock = parent
 self.Name = name
 self.Type = type
 self.ValueSize = None
 self.ComputedValue = None
 self.Selected = False
 self.Highlights = []
 self.RefreshNameSize()
 def Flush(self):
 self.ParentBlock = None
 for wire, handle in self.Wires:
 wire.Flush()
 self.Wires = []
 # Returns the RedrawRect
-def GetRedrawRect(self, movex = 0, movey = 0):
+def GetRedrawRect(self, movex=0, movey=0):
 parent_pos = self.ParentBlock.GetPosition()
 x = min(parent_pos[0] + self.Pos.x, parent_pos[0] + self.Pos.x + self.Direction[0] * CONNECTOR_SIZE)
 y = min(parent_pos[1] + self.Pos.y, parent_pos[1] + self.Pos.y + self.Direction[1] * CONNECTOR_SIZE)
 has_modifier = self.Negated or self.Edge != "none"
 if self.Direction[0] == 0:
 else:
 height = CONNECTOR_SIZE
 if self.Edge == "rising" and self.Direction[1] == 1:
 y -= 5
 height += 5
-rect =  wx.Rect(x - abs(movex), y - abs(movey), width + 2 * abs(movex), height + 2 * abs(movey))
+rect = wx.Rect(x - abs(movex), y - abs(movey), width + 2 * abs(movex), height + 2 * abs(movey))
 if self.ValueSize is None and isinstance(self.ComputedValue, (StringType, UnicodeType)):
 self.ValueSize = self.ParentBlock.Parent.GetMiniTextExtent(self.ComputedValue)
 if self.ValueSize is not None:
 width, height = self.ValueSize
-rect = rect.Union(wx.Rect(
+rect = rect.Union(
-parent_pos[0] + self.Pos.x + CONNECTOR_SIZE * self.Direction[0] + \
+wx.Rect(
-width * (self.Direction[0] - 1) / 2,
+parent_pos[0] + self.Pos.x + CONNECTOR_SIZE * self.Direction[0] +
-parent_pos[1] + self.Pos.y + CONNECTOR_SIZE * self.Direction[1] + \
+width * (self.Direction[0] - 1) / 2,
-height * (self.Direction[1] - 1),
+parent_pos[1] + self.Pos.y + CONNECTOR_SIZE * self.Direction[1] +
+height * (self.Direction[1] - 1),
 width, height))
 return rect
 # Change the connector selection
 def SetSelected(self, selected):
 self.Selected = selected
 # Make a clone of the connector
-def Clone(self, parent = None):
+def Clone(self, parent=None):
 if parent is None:
 parent = self.ParentBlock
 return Connector(parent, self.Name, self.Type, wx.Point(self.Pos[0], self.Pos[1]),
 self.Direction, self.Negated)
 # Returns the connector parent block
 def GetParentBlock(self):
 return self.ParentBlock
 # Returns the connector type
-def GetType(self, raw = False):
+def GetType(self, raw=False):
 if self.ParentBlock.IsEndType(self.Type) or raw:
 return self.Type
 elif (self.Negated or self.Edge != "none") and self.ParentBlock.IsOfType("BOOL", self.Type):
 return "BOOL"
 else:
 return self.ParentBlock.GetConnectionResultType(self, self.Type)
 # Returns the connector type
 def GetConnectedType(self):
 if self.ParentBlock.IsEndType(self.Type):
 return self.Type
 elif len(self.Wires) == 1:
 return self.Wires[0][0].GetOtherConnectedType(self.Wires[0][1])
 return self.Type
 # Returns the connector type
 def GetConnectedRedrawRect(self, movex, movey):
 rect = None
 for wire, handle in self.Wires:
 if rect is None:
 rect = wire.GetRedrawRect()
 else:
 rect = rect.Union(wire.GetRedrawRect())
 return rect
 # Returns if connector type is compatible with type given
 def IsCompatible(self, type):
 reference = self.GetType()
 return self.ParentBlock.IsOfType(type, reference) or self.ParentBlock.IsOfType(reference, type)
 # Changes the connector name
 def SetType(self, type):
 self.Type = type
 for wire, handle in self.Wires:
 wire.SetValid(wire.IsConnectedCompatible())
 # Returns the connector name
 def GetName(self):
 return self.Name
 # Changes the connector name
 def SetName(self, name):
 self.Name = name
 self.RefreshNameSize()
 def SetForced(self, forced):
 if self.Forced != forced:
 self.Forced = forced
 if self.Visible:
 self.Parent.ElementNeedRefresh(self)
 def GetComputedValue(self):
 if self.Value is not None and self.Value != "undefined" and not isinstance(self.Value, BooleanType):
 return self.Value
 return None
 def GetToolTipValue(self):
 return self.GetComputedValue()
 def SetValue(self, value):
 if self.Value != value:
 self.Value = value
 computed_value = self.GetComputedValue()
 if computed_value is not None:
 if len(self.ComputedValue) > 4:
 self.ComputedValue = self.ComputedValue[:4] + "..."
 self.ValueSize = None
 if self.ParentBlock.Visible:
 self.ParentBlock.Parent.ElementNeedRefresh(self)
 def RefreshForced(self):
 self.Forced = False
 for wire, handle in self.Wires:
 self.Forced |= wire.IsForced()
 def RefreshValue(self):
 self.Value = self.ReceivingCurrent()
 def RefreshValid(self):
 self.Valid = True
 for wire, handle in self.Wires:
 self.Valid &= wire.GetValid()
 def ReceivingCurrent(self):
 current = False
 for wire, handle in self.Wires:
 value = wire.GetValue()
 if current != "undefined" and isinstance(value, BooleanType):
 current |= wire.GetValue()
 elif value == "undefined":
 current = "undefined"
 return current
 def SpreadCurrent(self, spreading):
 for wire, handle in self.Wires:
 wire.SetValue(spreading)
 # Changes the connector name size
 def RefreshNameSize(self):
 if self.Name != "":
 self.NameSize = self.ParentBlock.Parent.GetTextExtent(self.Name)
 else:
 self.NameSize = 0, 0
 # Returns the connector name size
 def GetNameSize(self):
 return self.NameSize
 # Returns the wires connected to the connector
 def GetWires(self):
 return self.Wires
 # Returns the parent block Id
 def GetBlockId(self):
 return self.ParentBlock.GetId()
 # Returns the connector relative position
 def GetRelPosition(self):
 return self.Pos
 # Returns the connector absolute position
-def GetPosition(self, size = True):
+def GetPosition(self, size=True):
 parent_pos = self.ParentBlock.GetPosition()
 # If the position of the end of the connector is asked
 if size:
 x = parent_pos[0] + self.Pos.x + self.Direction[0] * CONNECTOR_SIZE
 y = parent_pos[1] + self.Pos.y + self.Direction[1] * CONNECTOR_SIZE
 else:
 x = parent_pos[0] + self.Pos.x
 y = parent_pos[1] + self.Pos.y
 return wx.Point(x, y)
 # Change the connector relative position
 def SetPosition(self, pos):
 self.Pos = pos
 # Returns the connector direction
 def GetDirection(self):
 return self.Direction
 # Change the connector direction
 def SetDirection(self, direction):
 self.Direction = direction
 # Connect a wire to this connector at the last place
-def Connect(self, wire, refresh = True):
+def Connect(self, wire, refresh=True):
 self.InsertConnect(len(self.Wires), wire, refresh)
 # Connect a wire to this connector at the place given
-def InsertConnect(self, idx, wire, refresh = True):
+def InsertConnect(self, idx, wire, refresh=True):
 if wire not in self.Wires:
 self.Wires.insert(idx, wire)
 if wire[1] == 0:
 wire[0].ConnectStartPoint(None, self)
 else:
 wire[0].ConnectEndPoint(None, self)
 if refresh:
 self.ParentBlock.RefreshModel(False)
 # Returns the index of the wire given in the list of connected
 def GetWireIndex(self, wire):
 for i, (tmp_wire, handle) in enumerate(self.Wires):
 if tmp_wire == wire:
 return i
 return None
 # Unconnect a wire or all wires connected to the connector
-def UnConnect(self, wire = None, unconnect = True, delete = False):
+def UnConnect(self, wire=None, unconnect=True, delete=False):
 i = 0
 found = False
 while i < len(self.Wires) and not found:
 if not wire or self.Wires[i][0] == wire:
 # If Unconnect haven't been called from a wire, disconnect the connector in the wire
 if not wire:
 self.Wires = []
 if not delete:
 self.RefreshValid()
 self.ParentBlock.RefreshModel(False)
 # Returns if connector has one or more wire connected
 def IsConnected(self):
 return len(self.Wires) > 0
 # Move the wires connected
-def MoveConnected(self, exclude = []):
+def MoveConnected(self, exclude=[]):
 if len(self.Wires) > 0:
 # Calculate the new position of the end point
 parent_pos = self.ParentBlock.GetPosition()
 x = parent_pos[0] + self.Pos.x + self.Direction[0] * CONNECTOR_SIZE
 y = parent_pos[1] + self.Pos.y + self.Direction[1] * CONNECTOR_SIZE
 if wire not in exclude:
 if index == 0:
 wire.MoveStartPoint(wx.Point(x, y))
 else:
 wire.MoveEndPoint(wx.Point(x, y))
 # Refreshes the model of all the wires connected
 def RefreshWires(self):
 for wire in self.Wires:
 wire[0].RefreshModel()
 # Refreshes the parent block model
 def RefreshParentBlock(self):
 self.ParentBlock.RefreshModel(False)
 # Highlight the parent block
 def HighlightParentBlock(self, highlight):
 self.ParentBlock.SetHighlighted(highlight)
 self.ParentBlock.Refresh()
 # Returns all the blocks connected to this connector
 def GetConnectedBlocks(self):
 blocks = []
 for wire, handle in self.Wires:
 # Get other connector connected to each wire
 if connector:
 block = connector.GetParentBlock()
 if block not in blocks:
 blocks.append(block)
 return blocks
 # Returns the connector negated property
 def IsNegated(self):
 return self.Negated
 # Changes the connector negated property
 def SetNegated(self, negated):
 if self.ParentBlock.IsOfType("BOOL", self.Type):
 self.Negated = negated
 self.Edge = "none"
 # Returns the connector edge property
 def GetEdge(self):
 return self.Edge
 # Changes the connector edge property
 def SetEdge(self, edge):
 if self.ParentBlock.IsOfType("BOOL", self.Type):
 self.Edge = edge
 self.Negated = False
 # assume that pointer is already inside of this connector
 def ConnectionAvailable(self, direction=None, exclude=True):
 wire_nums = len(self.Wires)
-connector_free = (wire_nums<= 0)
+connector_free = (wire_nums <= 0)
 connector_max_used = ((wire_nums > 0) and self.OneConnected)
 if (self.Parent.CurrentLanguage in ["SFC", "LD"]) and (self.Type == "BOOL"):
-connector_max_used = False;
+connector_max_used = False
 # connector is available for new connection
-connect  = connector_free or not connector_max_used
+connect = connector_free or not connector_max_used
 return connect, connector_max_used
 # Tests if the point given is near from the end point of this connector
 def TestPoint(self, pt, direction=None, exclude=True):
-inside = False;
+inside = False
-check_point = (not exclude) and (direction is None or self.Direction == direction);
+check_point = (not exclude) and (direction is None or self.Direction == direction)
 if check_point:
 # Calculate a square around the end point of this connector
 parent_pos = self.ParentBlock.GetPosition()
 x = parent_pos[0] + self.Pos.x + self.Direction[0] * CONNECTOR_SIZE - ANCHOR_DISTANCE
 y = parent_pos[1] + self.Pos.y + self.Direction[1] * CONNECTOR_SIZE - ANCHOR_DISTANCE
 width = ANCHOR_DISTANCE * 2 + abs(self.Direction[0]) * CONNECTOR_SIZE
 height = ANCHOR_DISTANCE * 2 + abs(self.Direction[1]) * CONNECTOR_SIZE
 rect = wx.Rect(x, y, width, height)
-inside = rect.InsideXY(pt.x, pt.y);
+inside = rect.InsideXY(pt.x, pt.y)
 return inside
 # Draws the highlightment of this element if it is highlighted
 def DrawHighlightment(self, dc):
 scalex, scaley = dc.GetUserScale()
 dc.SetUserScale(1, 1)
 pen = MiterPen(HIGHLIGHTCOLOR, 2 * scalex + 5)
 dc.SetBrush(wx.Brush(HIGHLIGHTCOLOR))
 dc.SetLogicalFunction(wx.AND)
 parent_pos = self.ParentBlock.GetPosition()
 posx = parent_pos[0] + self.Pos.x
 posy = parent_pos[1] + self.Pos.y
 xstart = parent_pos[0] + self.Pos.x
 ystart = parent_pos[1] + self.Pos.y
 if self.Direction[0] < 0:
 xstart += 1
 if self.Direction[1] < 0:
 ystart += 1
 xend = xstart + CONNECTOR_SIZE * self.Direction[0]
 yend = ystart + CONNECTOR_SIZE * self.Direction[1]
 dc.DrawLine(round((xstart + self.Direction[0]) * scalex), round((ystart + self.Direction[1]) * scaley),
 round(xend * scalex), round(yend * scaley))
 dc.SetLogicalFunction(wx.COPY)
 dc.SetUserScale(scalex, scaley)
 # Adds an highlight to the connector
 def AddHighlight(self, infos, start, end, highlight_type):
 if highlight_type == ERROR_HIGHLIGHT:
 for wire, handle in self.Wires:
 wire.SetValid(False)
 AddHighlight(self.Highlights, (start, end, highlight_type))
 # Removes an highlight from the connector
 def RemoveHighlight(self, infos, start, end, highlight_type):
 error = False
 highlights = []
 for highlight in self.Highlights:
 error |= highlight == ERROR_HIGHLIGHT
 self.Highlights = highlights
 if not error:
 for wire, handle in self.Wires:
 wire.SetValid(wire.IsConnectedCompatible())
 # Removes all the highlights of one particular type from the connector
 def ClearHighlight(self, highlight_type=None):
 error = False
 if highlight_type is None:
 self.Highlights = []
 error |= highlight == ERROR_HIGHLIGHT
 self.Highlights = highlights
 if not error:
 for wire, handle in self.Wires:
 wire.SetValid(wire.IsConnectedCompatible())
 # Draws the connector
 def Draw(self, dc):
 if self.Selected:
 dc.SetPen(MiterPen(wx.BLUE, 3))
 dc.SetBrush(wx.WHITE_BRUSH)
-#elif len(self.Highlights) > 0:
+# elif len(self.Highlights) > 0:
 #    dc.SetPen(MiterPen(self.Highlights[-1][1]))
 #    dc.SetBrush(wx.Brush(self.Highlights[-1][0]))
 else:
 if not self.Valid:
 dc.SetPen(MiterPen(wx.RED))
 dc.SetPen(MiterPen(wx.BLUE))
 else:
 dc.SetPen(MiterPen(wx.BLACK))
 dc.SetBrush(wx.WHITE_BRUSH)
 parent_pos = self.ParentBlock.GetPosition()
 if getattr(dc, "printing", False):
 name_size = dc.GetTextExtent(self.Name)
 else:
 name_size = self.NameSize
 if self.Negated:
 # If connector is negated, draw a circle
 xcenter = parent_pos[0] + self.Pos.x + (CONNECTOR_SIZE * self.Direction[0]) / 2
 ycenter = parent_pos[1] + self.Pos.y + (CONNECTOR_SIZE * self.Direction[1]) / 2
 dc.DrawCircle(xcenter, ycenter, CONNECTOR_SIZE / 2)
 else:
 xstart = parent_pos[0] + self.Pos.x
 ystart = parent_pos[1] + self.Pos.y
 if self.Edge == "rising":
 # If connector has a rising edge, draw a right arrow
 dc.DrawLine(xstart, ystart, xstart - 4, ystart - 4)
 dc.DrawLine(xstart, ystart, xstart - 4, ystart + 4)
 dc.SetTextForeground(wx.NamedColour("purple"))
 if self.ValueSize is None and isinstance(self.ComputedValue, (StringType, UnicodeType)):
 self.ValueSize = self.ParentBlock.Parent.GetMiniTextExtent(self.ComputedValue)
 if self.ValueSize is not None:
 width, height = self.ValueSize
 dc.DrawText(self.ComputedValue,
-parent_pos[0] + self.Pos.x + CONNECTOR_SIZE * self.Direction[0] + \
+parent_pos[0] + self.Pos.x + CONNECTOR_SIZE * self.Direction[0] +
 width * (self.Direction[0] - 1) / 2,
-parent_pos[1] + self.Pos.y + CONNECTOR_SIZE * self.Direction[1] + \
+parent_pos[1] + self.Pos.y + CONNECTOR_SIZE * self.Direction[1] +
 height * (self.Direction[1] - 1))
 dc.SetFont(self.ParentBlock.Parent.GetFont())
 dc.SetTextForeground(wx.BLACK)
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 #                           Common Wire Element
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
-"""
-Class that implements a wire for connecting two blocks
-"""
 class Wire(Graphic_Element, DebugDataConsumer):
+"""
+Class that implements a wire for connecting two blocks
+"""
 # Create a new wire
-def __init__(self, parent, start = None, end = None):
+def __init__(self, parent, start=None, end=None):
 Graphic_Element.__init__(self, parent)
 DebugDataConsumer.__init__(self)
 self.StartPoint = start
 self.EndPoint = end
 self.StartConnected = None
 self.OverStart = False
 self.OverEnd = False
 self.ComputingType = False
 self.Font = parent.GetMiniFont()
 self.ErrHighlight = False
 def GetDefinition(self):
 if self.StartConnected is not None and self.EndConnected is not None:
 startblock = self.StartConnected.GetParentBlock()
 endblock = self.EndConnected.GetParentBlock()
 return [], [(startblock.GetId(), endblock.GetId())]
 return [], []
 def Flush(self):
 self.StartConnected = None
 self.EndConnected = None
 # Returns the RedrawRect
-def GetRedrawRect(self, movex = 0, movey = 0):
+def GetRedrawRect(self, movex=0, movey=0):
 rect = Graphic_Element.GetRedrawRect(self, movex, movey)
 if self.StartConnected:
 rect = rect.Union(self.StartConnected.GetRedrawRect(movex, movey))
 if self.EndConnected:
 rect = rect.Union(self.EndConnected.GetRedrawRect(movex, movey))
 y = (self.Points[middle].y + self.Points[middle + 1].y - height) / 2
 else:
 y = self.Points[middle].y - height
 rect = rect.Union(wx.Rect(x, y, width, height))
 return rect
-def Clone(self, parent, connectors = {}, dx = 0, dy = 0):
+def Clone(self, parent, connectors={}, dx=0, dy=0):
 start_connector = connectors.get(self.StartConnected, None)
 end_connector = connectors.get(self.EndConnected, None)
 if start_connector is not None and end_connector is not None:
 wire = Wire(parent)
 wire.SetPoints([(point.x + dx, point.y + dy) for point in self.Points])
 end_connector.Connect((wire, -1), False)
 wire.ConnectStartPoint(start_connector.GetPosition(), start_connector)
 wire.ConnectEndPoint(end_connector.GetPosition(), end_connector)
 return wire
 return None
 # Forbids to change the wire position
 def SetPosition(x, y):
 pass
 # Forbids to change the wire size
 def SetSize(width, height):
 pass
 # Forbids to et size of the group elements to their minimum size
 pass
 # Moves and Resizes the element for fitting scaling
 def SetBestSize(self, scaling):
 if scaling is not None:
 movex_max = movey_max = 0
 for idx, point in enumerate(self.Points):
 movey_max = max(movey_max, movey)
 point.x += movex
 point.y += movey
 return movex_max, movey_max
 return 0, 0
 # Returns connector to which start point is connected
 def GetStartConnected(self):
 return self.StartConnected
 # Returns connector to which start point is connected
 def GetStartConnectedType(self):
 if self.StartConnected and not self.ComputingType:
 self.ComputingType = True
 computed_type = self.StartConnected.GetType()
 self.ComputingType = False
 return computed_type
 return None
 # Returns connector to which end point is connected
 def GetEndConnected(self):
 return self.EndConnected
 # Returns connector to which end point is connected
 def GetEndConnectedType(self):
 if self.EndConnected and not self.ComputingType:
 self.ComputingType = True
 computed_type = self.EndConnected.GetType()
 self.ComputingType = False
 return computed_type
 return None
 def GetConnectionDirection(self):
 if self.StartConnected is None and self.EndConnected is None:
 return None
 elif self.StartConnected is not None and self.EndConnected is None:
 return (-self.StartPoint[1][0], -self.StartPoint[1][1])
 if handle == 0:
 return self.EndPoint
 else:
 return (-self.StartPoint[1][0], -self.StartPoint[1][1])
 return None
 def GetOtherConnected(self, connector):
 if self.StartConnected == connector:
 return self.EndConnected
 else:
 return self.StartConnected
 def GetOtherConnectedType(self, handle):
 if handle == 0:
 return self.GetEndConnectedType()
 else:
 return self.GetStartConnectedType()
 def IsConnectedCompatible(self):
 if self.StartConnected:
 return self.StartConnected.IsCompatible(self.GetEndConnectedType())
 elif self.EndConnected:
 return True
 return False
 def SetForced(self, forced):
 if self.Forced != forced:
 self.Forced = forced
 if self.StartConnected:
 self.StartConnected.RefreshForced()
 def GetComputedValue(self):
 if self.Value is not None and self.Value != "undefined" and not isinstance(self.Value, BooleanType):
 return self.Value
 return None
 def GetToolTipValue(self):
 return self.GetComputedValue()
 def SetModifier(self, modifier):
 self.Modifier = modifier
 if self.Visible:
 self.Parent.ElementNeedRefresh(self)
 if isinstance(value, BooleanType) and self.StartConnected is not None:
 block = self.StartConnected.GetParentBlock()
 block.SpreadCurrent()
 # Unconnect the start and end points
 def Clean(self):
 if self.StartConnected:
 self.UnConnectStartPoint()
 if self.EndConnected:
 self.UnConnectEndPoint()
 # Delete this wire by calling the corresponding method
 def Delete(self):
 self.Parent.DeleteWire(self)
 # Select a segment and not the whole wire. It's useful for Ladder Diagram
 def SetSelectedSegment(self, segment):
 # The last segment is indicated
 if segment == -1:
 segment = len(self.Segments) - 1
 # The selected segment is reinitialised
-if segment == None:
+if segment is None:
 if self.StartConnected:
 self.StartConnected.SetSelected(False)
 if self.EndConnected:
 self.EndConnected.SetSelected(False)
 # The segment selected is the first
 self.StartConnected.SetSelected(False)
 if self.EndConnected:
 self.EndConnected.SetSelected(True)
 self.SelectedSegment = segment
 self.Refresh()
 def SetValid(self, valid):
 self.Valid = valid
 if self.StartConnected:
 self.StartConnected.RefreshValid()
 if self.EndConnected:
 self.EndConnected.RefreshValid()
 def GetValid(self):
 return self.Valid
 # Reinitialize the wire points
 def ResetPoints(self):
 if self.StartPoint and self.EndPoint:
 self.Points = [self.StartPoint[0], self.EndPoint[0]]
 self.Segments = [self.StartPoint[1]]
 else:
 self.Points = []
 self.Segments = []
 # Refresh the wire bounding box
 def RefreshBoundingBox(self):
 if len(self.Points) > 0:
 # If startpoint or endpoint is connected, save the point radius
 start_radius = end_radius = 0
 miny, minbbxy = min(miny, self.Points[-1].y), min(minbbxy, self.Points[-1].y - end_radius)
 maxy, maxbbxy = max(maxy, self.Points[-1].y), max(maxbbxy, self.Points[-1].y + end_radius)
 self.Pos.x, self.Pos.y = minx, miny
 self.Size = wx.Size(maxx - minx, maxy - miny)
 self.BoundingBox = wx.Rect(minbbxx, minbbxy, maxbbxx - minbbxx + 1, maxbbxy - minbbxy + 1)
 # Refresh the realpoints that permits to keep the proportionality in wire during resizing
 def RefreshRealPoints(self):
 if len(self.Points) > 0:
 self.RealPoints = []
 # Calculate float relative position of each point with the minimum point
 for point in self.Points:
 self.RealPoints.append([float(point.x - self.Pos.x), float(point.y - self.Pos.y)])
 # Returns the wire minimum size
 def GetMinSize(self):
 width = 1
 height = 1
 dir_product = product(self.StartPoint[1], self.EndPoint[1])
 # The directions are opposed
 # The directions are perpendiculars
 else:
 width = MIN_SEGMENT_SIZE
 height = MIN_SEGMENT_SIZE
 return width + 1, height + 1
 # Returns if the point given is on one of the wire segments
 def HitTest(self, pt, connectors=True):
 test = False
 for i in xrange(len(self.Points) - 1):
 rect = wx.Rect(0, 0, 0, 0)
 if i == 0 and self.StartConnected is not None:
 x1 = self.Points[i].x - self.Segments[0][0] * CONNECTOR_SIZE
 y1 = self.Points[i].y - self.Segments[0][1] * CONNECTOR_SIZE
 else:
 x1, y1 = self.Points[i].x, self.Points[i].y
 if i == len(self.Points) - 2 and self.EndConnected is not None:
 x2 = self.Points[i + 1].x + self.Segments[-1][0] * CONNECTOR_SIZE
 y2 = self.Points[i + 1].y + self.Segments[-1][1] * CONNECTOR_SIZE
 else:
 x2, y2 = self.Points[i + 1].x, self.Points[i + 1].y
 # Calculate a rectangle around the segment
 rect = wx.Rect(min(x1, x2) - ANCHOR_DISTANCE, min(y1, y2) - ANCHOR_DISTANCE,
 abs(x1 - x2) + 2 * ANCHOR_DISTANCE, abs(y1 - y2) + 2 * ANCHOR_DISTANCE)
 test |= rect.InsideXY(pt.x, pt.y)
 return test
 # Returns the wire start or end point if the point given is on one of them
 def TestPoint(self, pt):
 # Test the wire start point
 rect = wx.Rect(self.Points[0].x - ANCHOR_DISTANCE, self.Points[0].y - ANCHOR_DISTANCE,
 2 * ANCHOR_DISTANCE, 2 * ANCHOR_DISTANCE)
 if rect.InsideXY(pt.x, pt.y):
 return 0
 # Test the wire end point
 if len(self.Points) > 1:
 rect = wx.Rect(self.Points[-1].x - ANCHOR_DISTANCE, self.Points[-1].y - ANCHOR_DISTANCE,
 2 * ANCHOR_DISTANCE, 2 * ANCHOR_DISTANCE)
 if rect.InsideXY(pt.x, pt.y):
 return -1
 return None
 # Returns the wire segment if the point given is on it
 def TestSegment(self, pt, all=False):
 for i in xrange(len(self.Segments)):
 # If wire is not in a Ladder Diagram, first and last segments are excluded
 if all or 0 < i < len(self.Segments) - 1:
 x1, y1 = self.Points[i].x, self.Points[i].y
 x2, y2 = self.Points[i + 1].x, self.Points[i + 1].y
 # Calculate a rectangle around the segment
 rect = wx.Rect(min(x1, x2) - ANCHOR_DISTANCE, min(y1, y2) - ANCHOR_DISTANCE,
 abs(x1 - x2) + 2 * ANCHOR_DISTANCE, abs(y1 - y2) + 2 * ANCHOR_DISTANCE)
 if rect.InsideXY(pt.x, pt.y):
 return i, self.Segments[i]
 return None
 # Define the wire points
 def SetPoints(self, points, verify=True):
 if len(points) > 1:
 self.Points = [wx.Point(x, y) for x, y in points]
 # Calculate the start and end directions
 self.StartPoint = [None, vector(self.Points[0], self.Points[1])]
 self.EndPoint = [None, vector(self.Points[-1], self.Points[-2])]
 # Calculate the start and end points
 self.StartPoint[0] = wx.Point(self.Points[0].x + CONNECTOR_SIZE * self.StartPoint[1][0],
 self.Points[0].y + CONNECTOR_SIZE * self.StartPoint[1][1])
 self.EndPoint[0] = wx.Point(self.Points[-1].x + CONNECTOR_SIZE * self.EndPoint[1][0],
 self.Points[-1].y + CONNECTOR_SIZE * self.EndPoint[1][1])
 self.Points[0] = self.StartPoint[0]
 self.Points[-1] = self.EndPoint[0]
 # Calculate the segments directions
 self.Segments = []
 i = 0
 self.Points.insert(i + 1, wx.Point(self.Points[i + 1].x, self.Points[i + 1].y))
 self.Segments.append(segment)
 i += 1
 self.RefreshBoundingBox()
 self.RefreshRealPoints()
 # Returns the position of the point indicated
 def GetPoint(self, index):
 if index < len(self.Points):
 return self.Points[index].x, self.Points[index].y
 return None
 # Returns a list of the position of all wire points
-def GetPoints(self, invert = False):
+def GetPoints(self, invert=False):
 points = self.VerifyPoints()
 points[0] = wx.Point(points[0].x - CONNECTOR_SIZE * self.StartPoint[1][0],
 points[0].y - CONNECTOR_SIZE * self.StartPoint[1][1])
 points[-1] = wx.Point(points[-1].x - CONNECTOR_SIZE * self.EndPoint[1][0],
 points[-1].y - CONNECTOR_SIZE * self.EndPoint[1][1])
 # An inversion of the list is asked
 if invert:
 points.reverse()
 return points
 # Returns the position of the two selected segment points
 def GetSelectedSegmentPoints(self):
-if self.SelectedSegment != None and len(self.Points) > 1:
+if self.SelectedSegment is not None and len(self.Points) > 1:
 return self.Points[self.SelectedSegment:self.SelectedSegment + 2]
 return []
 # Returns if the selected segment is the first and/or the last of the wire
 def GetSelectedSegmentConnections(self):
-if self.SelectedSegment != None and len(self.Points) > 1:
+if self.SelectedSegment is not None and len(self.Points) > 1:
 return self.SelectedSegment == 0, self.SelectedSegment == len(self.Segments) - 1
 return (True, True)
 # Returns the connectors on which the wire is connected
 def GetConnected(self):
 connected = []
 if self.StartConnected and self.StartPoint[1] == WEST:
 connected.append(self.StartConnected)
 if self.EndConnected and self.EndPoint[1] == WEST:
 connected.append(self.EndConnected)
 return connected
 # Returns the id of the block connected to the first or the last wire point
 def GetConnectedInfos(self, index):
 if index == 0 and self.StartConnected:
 return self.StartConnected.GetBlockId(), self.StartConnected.GetName()
 elif index == -1 and self.EndConnected:
 return self.EndConnected.GetBlockId(), self.EndConnected.GetName()
 return None
 # Update the wire points position by keeping at most possible the current positions
-def GeneratePoints(self, realpoints = True):
+def GeneratePoints(self, realpoints=True):
 i = 0
 # Calculate the start enad end points with the minimum segment size in the right direction
 end = wx.Point(self.EndPoint[0].x + self.EndPoint[1][0] * MIN_SEGMENT_SIZE,
 self.EndPoint[0].y + self.EndPoint[1][1] * MIN_SEGMENT_SIZE)
 start = wx.Point(self.StartPoint[0].x + self.StartPoint[1][0] * MIN_SEGMENT_SIZE,
 self.StartPoint[0].y + self.StartPoint[1][1] * MIN_SEGMENT_SIZE)
 # Evaluate the point till it's the last
 while i < len(self.Points) - 1:
 # The next point is the last
 if i + 1 == len(self.Points) - 1:
 # Calculate the direction from current point to end point
 # The current point is the first
 if i == 0:
 # If the end point is not in the start direction, a point is added
 if v_end != self.Segments[0] or v_end == self.EndPoint[1]:
 self.Points.insert(1, wx.Point(start.x, start.y))
-self.Segments.insert(1, DirectionChoice((self.Segments[0][1],
+self.Segments.insert(1, DirectionChoice(
-self.Segments[0][0]), v_end, self.EndPoint[1]))
+(self.Segments[0][1],
+self.Segments[0][0]), v_end, self.EndPoint[1]))
 # The current point is the second
 elif i == 1:
 # The previous direction and the target direction are mainly opposed, a point is added
 if product(v_end, self.Segments[0]) < 0:
 self.Points.insert(2, wx.Point(self.Points[1].x, self.Points[1].y))
-self.Segments.insert(2, DirectionChoice((self.Segments[1][1],
+self.Segments.insert(2, DirectionChoice(
-self.Segments[1][0]), v_end, self.EndPoint[1]))
+(self.Segments[1][1],
+self.Segments[1][0]), v_end, self.EndPoint[1]))
 # The previous direction and the end direction are the same or they are
 # perpendiculars and the end direction points towards current segment
 elif product(self.Segments[0], self.EndPoint[1]) >= 0 and product(self.Segments[1], self.EndPoint[1]) <= 0:
 # Current point and end point are aligned
 if self.Segments[0][0] != 0:
 if self.Segments[0][1] != 0:
 self.Points[1].y = end.y
 # If the previous direction and the end direction are the same, a point is added
 if product(self.Segments[0], self.EndPoint[1]) > 0:
 self.Points.insert(2, wx.Point(self.Points[1].x, self.Points[1].y))
-self.Segments.insert(2, DirectionChoice((self.Segments[1][1],
+self.Segments.insert(2, DirectionChoice(
-self.Segments[1][0]), v_end, self.EndPoint[1]))
+(self.Segments[1][1],
+self.Segments[1][0]), v_end, self.EndPoint[1]))
 else:
 # Current point is positioned in the middle of start point
 # and end point on the current direction and a point is added
 if self.Segments[0][0] != 0:
 self.Points[1].x = (end.x + start.x) / 2
 if self.Segments[0][1] != 0:
 self.Points[1].y = (end.y + start.y) / 2
 self.Points.insert(2, wx.Point(self.Points[1].x, self.Points[1].y))
-self.Segments.insert(2, DirectionChoice((self.Segments[1][1],
+self.Segments.insert(2, DirectionChoice(
-self.Segments[1][0]), v_end, self.EndPoint[1]))
+(self.Segments[1][1],
+self.Segments[1][0]), v_end, self.EndPoint[1]))
 else:
 # The previous direction and the end direction are perpendiculars
 if product(self.Segments[i - 1], self.EndPoint[1]) == 0:
 # The target direction and the end direction aren't mainly the same
 if product(v_end, self.EndPoint[1]) <= 0:
 # Previous direction is updated from the new point
 if product(vector(self.Points[i - 1], self.Points[i]), self.Segments[i - 1]) < 0:
 self.Segments[i - 1] = (-self.Segments[i - 1][0], -self.Segments[i - 1][1])
 else:
 test = True
 # If the current point is the third, test if the second
 # point can be aligned with the end point
 if i == 2:
 test_point = wx.Point(self.Points[1].x, self.Points[1].y)
 if self.Segments[1][0] != 0:
 test_point.y = end.y
 if self.Segments[1][0] != 0:
 self.Points[2].x = (self.Points[1].x + end.x) / 2
 if self.Segments[1][1] != 0:
 self.Points[2].y = (self.Points[1].y + end.y) / 2
 self.Points.insert(3, wx.Point(self.Points[2].x, self.Points[2].y))
-self.Segments.insert(3, DirectionChoice((self.Segments[2][1],
+self.Segments.insert(
-self.Segments[2][0]), v_end, self.EndPoint[1]))
+3,
+DirectionChoice((self.Segments[2][1],
+self.Segments[2][0]),
+v_end,
+self.EndPoint[1]))
 else:
 # Current point is aligned with end point
 if self.Segments[i - 1][0] != 0:
 self.Points[i].x = end.x
 if self.Segments[i - 1][1] != 0:
 self.Points[i].x = (end.x + self.Points[i - 1].x) / 2
 if self.Segments[i - 1][1] != 0:
 self.Points[i].y = (end.y + self.Points[i - 1].y) / 2
 # A point is added
 self.Points.insert(i + 1, wx.Point(self.Points[i].x, self.Points[i].y))
-self.Segments.insert(i + 1, DirectionChoice((self.Segments[i][1],
+self.Segments.insert(
-self.Segments[i][0]), v_end, self.EndPoint[1]))
+i + 1,
+DirectionChoice((self.Segments[i][1],
+self.Segments[i][0]), v_end, self.EndPoint[1]))
 else:
 # Current point is the first, and second is not mainly in the first direction
 if i == 0 and product(vector(start, self.Points[1]), self.Segments[0]) < 0:
 # If first and second directions aren't perpendiculars, a point is added
 if product(self.Segments[0], self.Segments[1]) != 0:
 self.Points.insert(1, wx.Point(start.x, start.y))
-self.Segments.insert(1, DirectionChoice((self.Segments[0][1],
+self.Segments.insert(
-self.Segments[0][0]), vector(start, self.Points[1]), self.Segments[1]))
+1,
+DirectionChoice((self.Segments[0][1],
+self.Segments[0][0]),
+vector(start, self.Points[1]),
+self.Segments[1]))
 else:
 self.Points[1].x, self.Points[1].y = start.x, start.y
 else:
 # Next point is aligned with current point
 if self.Segments[i][0] != 0:
 self.Segments[i] = (-self.Segments[i][0], -self.Segments[i][1])
 i += 1
 self.RefreshBoundingBox()
 if realpoints:
 self.RefreshRealPoints()
 # Verify that two consecutive points haven't the same position
 def VerifyPoints(self):
 points = [point for point in self.Points]
 segments = [segment for segment in self.Segments]
 i = 1
 self.Points = [point for point in points]
 self.Segments = [segment for segment in segments]
 self.RefreshBoundingBox()
 self.RefreshRealPoints()
 return points
 # Moves all the wire points except the first and the last if they are connected
-def Move(self, dx, dy, endpoints = False):
+def Move(self, dx, dy, endpoints=False):
 for i, point in enumerate(self.Points):
 if endpoints or not (i == 0 and self.StartConnected) and not (i == len(self.Points) - 1 and self.EndConnected):
 point.x += dx
 point.y += dy
 self.StartPoint[0] = self.Points[0]
 self.EndPoint[0] = self.Points[-1]
 self.GeneratePoints()
 # Resize the wire from position and size given
 def Resize(self, x, y, width, height):
 if len(self.Points) > 1:
 # Calculate the new position of each point for testing the new size
 minx, miny = self.Pos.x, self.Pos.y
 elif i == len(self.Points) - 1:
 dir = self.EndPoint[1]
 else:
 dir = (0, 0)
 pointx = max(-dir[0] * MIN_SEGMENT_SIZE, min(int(round(point[0] * width / float(max(lastwidth, 1)))),
 width - dir[0] * MIN_SEGMENT_SIZE))
 pointy = max(-dir[1] * MIN_SEGMENT_SIZE, min(int(round(point[1] * height / float(max(lastheight, 1)))),
 height - dir[1] * MIN_SEGMENT_SIZE))
 self.Points[i] = wx.Point(minx + x + pointx, miny + y + pointy)
 self.StartPoint[0] = self.Points[0]
 self.EndPoint[0] = self.Points[-1]
 self.GeneratePoints(False)
 # Test if the wire position or size have changed
 dir = self.StartPoint[1]
 elif i == len(self.Points) - 1:
 dir = self.EndPoint[1]
 else:
 dir = (0, 0)
-realpointx = max(-dir[0] * MIN_SEGMENT_SIZE, min(int(round(point[0])),
+realpointx = max(-dir[0] * MIN_SEGMENT_SIZE,
-width - dir[0] * MIN_SEGMENT_SIZE))
+min(int(round(point[0])),
-realpointy = max(-dir[1] * MIN_SEGMENT_SIZE, min(int(round(point[1])),
+width - dir[0] * MIN_SEGMENT_SIZE))
-height - dir[1] * MIN_SEGMENT_SIZE))
+realpointy = max(-dir[1] * MIN_SEGMENT_SIZE,
+min(int(round(point[1])),
+height - dir[1] * MIN_SEGMENT_SIZE))
 self.Points[i] = wx.Point(minx + x + realpointx, miny + y + realpointy)
 self.StartPoint[0] = self.Points[0]
 self.EndPoint[0] = self.Points[-1]
 self.GeneratePoints(False)
 # Moves the wire start point and update the wire points
 def MoveStartPoint(self, point):
 if len(self.Points) > 1:
 self.StartPoint[0] = point
 self.Points[0] = point
 self.GeneratePoints()
 # Changes the wire start direction and update the wire points
 def SetStartPointDirection(self, dir):
 if len(self.Points) > 1:
 self.StartPoint[1] = dir
 self.Segments[0] = dir
 self.GeneratePoints()
 # Rotates the wire start direction by an angle of 90 degrees anticlockwise
 def RotateStartPoint(self):
 self.SetStartPointDirection((self.StartPoint[1][1], -self.StartPoint[1][0]))
 # Connects wire start point to the connector given and moves wire start point
 # to given point
 def ConnectStartPoint(self, point, connector):
 if point:
 self.MoveStartPoint(point)
 self.StartConnected = connector
 self.RefreshBoundingBox()
 # Unconnects wire start point
-def UnConnectStartPoint(self, delete = False):
+def UnConnectStartPoint(self, delete=False):
 if delete:
 self.StartConnected = None
 self.Delete()
 elif self.StartConnected:
-self.StartConnected.UnConnect(self, unconnect = False)
+self.StartConnected.UnConnect(self, unconnect=False)
 self.StartConnected = None
 self.RefreshBoundingBox()
 # Moves the wire end point and update the wire points
 def MoveEndPoint(self, point):
 if len(self.Points) > 1:
 self.EndPoint[0] = point
 self.Points[-1] = point
 # Changes the wire end direction and update the wire points
 def SetEndPointDirection(self, dir):
 if len(self.Points) > 1:
 self.EndPoint[1] = dir
 self.GeneratePoints()
 # Rotates the wire end direction by an angle of 90 degrees anticlockwise
 def RotateEndPoint(self):
 self.SetEndPointDirection((self.EndPoint[1][1], -self.EndPoint[1][0]))
 # Connects wire end point to the connector given and moves wire end point
 def ConnectEndPoint(self, point, connector):
 if point:
 self.MoveEndPoint(point)
 self.EndConnected = connector
 self.RefreshBoundingBox()
 # Unconnects wire end point
-def UnConnectEndPoint(self, delete = False):
+def UnConnectEndPoint(self, delete=False):
 if delete:
 self.EndConnected = None
 self.Delete()
 elif self.EndConnected:
-self.EndConnected.UnConnect(self, unconnect = False)
+self.EndConnected.UnConnect(self, unconnect=False)
 self.EndConnected = None
 self.RefreshBoundingBox()
 # Moves the wire segment given by its index
 def MoveSegment(self, idx, movex, movey, scaling):
 if 0 < idx < len(self.Segments) - 1:
 if self.Segments[idx] in (NORTH, SOUTH):
 start_x = self.Points[idx].x
 self.Points[idx + 1].y += movey
 self.GeneratePoints()
 if start_y != self.Points[idx].y:
 return 0, self.Points[idx].y - start_y
 return 0, 0
 # Adds two points in the middle of the handled segment
 def AddSegment(self):
 handle_type, handle = self.Handle
 if handle_type == HANDLE_SEGMENT:
 segment, dir = handle
 self.Points.insert(segment + 3, wx.Point(p2x, p2y))
 self.Segments.insert(segment + 3, (dir[1], dir[0]))
 self.Points.insert(segment + 4, wx.Point(p2x, p2y))
 self.Segments.insert(segment + 4, dir)
 self.GeneratePoints()
 # Delete the handled segment by removing the two segment points
 def DeleteSegment(self):
 handle_type, handle = self.Handle
 if handle_type == HANDLE_SEGMENT:
 segment, dir = handle
 for i in xrange(2):
 self.Points.pop(segment)
 self.Segments.pop(segment)
 self.GeneratePoints()
 self.RefreshModel()
 # Method called when a LeftDown event have been generated
 def OnLeftDown(self, event, dc, scaling):
 pos = GetScaledEventPosition(event, dc, scaling)
 # Test if a point have been handled
-#result = self.TestPoint(pos)
+# result = self.TestPoint(pos)
-#if result != None:
+# if result != None:
 #    self.Handle = (HANDLE_POINT, result)
 #    wx.CallAfter(self.Parent.SetCurrentCursor, 1)
-#else:
+# else:
 # Test if a segment have been handled
 result = self.TestSegment(pos)
-if result != None:
+if result is not None:
 if result[1] in (NORTH, SOUTH):
 wx.CallAfter(self.Parent.SetCurrentCursor, 4)
 elif result[1] in (EAST, WEST):
 wx.CallAfter(self.Parent.SetCurrentCursor, 5)
 self.Handle = (HANDLE_SEGMENT, result)
 # Execute the default method for a graphic element
 else:
 Graphic_Element.OnLeftDown(self, event, dc, scaling)
 self.oldPos = pos
 # Method called when a RightUp event has been generated
 def OnRightUp(self, event, dc, scaling):
 pos = GetScaledEventPosition(event, dc, scaling)
 # Test if a segment has been handled
 result = self.TestSegment(pos, True)
-if result != None:
+if result is not None:
 self.Handle = (HANDLE_SEGMENT, result)
 # Popup the menu with special items for a wire
 self.Parent.PopupWireMenu(0 < result[0] < len(self.Segments) - 1)
 else:
 # Execute the default method for a graphic element
 Graphic_Element.OnRightUp(self, event, dc, scaling)
 # Method called when a LeftDClick event has been generated
 def OnLeftDClick(self, event, dc, scaling):
 rect = self.GetRedrawRect()
 if event.ControlDown():
 direction = (self.StartPoint[1], self.EndPoint[1])
 self.GeneratePoints()
 self.RefreshModel()
 self.Parent.RefreshBuffer()
 rect.Union(self.GetRedrawRect())
 self.Parent.RefreshRect(self.Parent.GetScrolledRect(rect), False)
 # Method called when a Motion event has been generated
 def OnMotion(self, event, dc, scaling):
 pos = GetScaledEventPosition(event, dc, scaling)
 if not event.Dragging():
 # Test if a segment has been handled
 # Execute the default method for a graphic element
 return Graphic_Element.OnMotion(self, event, dc, scaling)
 else:
 # Execute the default method for a graphic element
 return Graphic_Element.OnMotion(self, event, dc, scaling)
 # Refreshes the wire state according to move defined and handle selected
 def ProcessDragging(self, movex, movey, event, scaling):
 handle_type, handle = self.Handle
 # A point has been handled
 if handle_type == HANDLE_POINT:
 elif handle_type == HANDLE_SEGMENT:
 return self.MoveSegment(handle[0], movex, movey, scaling)
 # Execute the default method for a graphic element
 else:
 return Graphic_Element.ProcessDragging(self, movex, movey, event, scaling)
 # Refreshes the wire model
 def RefreshModel(self, move=True):
 if self.StartConnected and self.StartPoint[1] in [WEST, NORTH]:
 self.StartConnected.RefreshParentBlock()
 if self.EndConnected and self.EndPoint[1] in [WEST, NORTH]:
 self.EndConnected.RefreshParentBlock()
 # Change the variable that indicates if this element is highlighted
 def SetHighlighted(self, highlighted):
 self.Highlighted = highlighted
 if not highlighted:
 self.OverStart = False
 self.OverEnd = False
 self.Refresh()
 def HighlightPoint(self, pos):
 refresh = False
 start, end = self.OverStart, self.OverEnd
 self.OverStart = False
 self.OverEnd = False
 # Test if a point has been handled
 result = self.TestPoint(pos)
-if result != None:
+if result is not None:
 if result == 0 and self.StartConnected is not None:
 self.OverStart = True
 elif result != 0 and self.EndConnected is not None:
 self.OverEnd = True
 if start != self.OverStart or end != self.OverEnd:
 self.Refresh()
 # Draws the highlightment of this element if it is highlighted
 def DrawHighlightment(self, dc):
 scalex, scaley = dc.GetUserScale()
 dc.SetUserScale(1, 1)
 # If user trying to connect wire with wrong input, highlight will become red.
-if self.ErrHighlight == True and not (self.EndConnected):
+if self.ErrHighlight and not (self.EndConnected):
 highlightcolor = wx.RED
 else:
 highlightcolor = HIGHLIGHTCOLOR
 dc.SetPen(MiterPen(highlightcolor, (2 * scalex + 5)))
 dc.SetBrush(wx.Brush(highlightcolor))
 dc.SetLogicalFunction(wx.AND)
 # Draw the start and end points if they are not connected or the mouse is over them
 if len(self.Points) > 0 and (not self.StartConnected or self.OverStart):
 dc.DrawCircle(round(self.Points[0].x * scalex),
 round(self.Points[0].y * scaley),
 (POINT_RADIUS + 1) * scalex + 2)
 if len(self.Points) > 1 and (not self.EndConnected or self.OverEnd):
 dc.DrawCircle(self.Points[-1].x * scalex, self.Points[-1].y * scaley, (POINT_RADIUS + 1) * scalex + 2)
 # Draw the wire lines and the last point (it seems that DrawLines stop before the last point)
 if len(self.Points) > 1:
 points = [wx.Point(round((self.Points[0].x - self.Segments[0][0]) * scalex),
 round((self.Points[0].y - self.Segments[0][1]) * scaley))]
 points.extend([wx.Point(round(point.x * scalex), round(point.y * scaley)) for point in self.Points[1:-1]])
 points.append(wx.Point(round((self.Points[-1].x + self.Segments[-1][0]) * scalex),
 round((self.Points[-1].y + self.Segments[-1][1]) * scaley)))
 else:
 points = []
 dc.DrawLines(points)
 dc.SetLogicalFunction(wx.COPY)
 dc.SetUserScale(scalex, scaley)
 if self.StartConnected is not None:
 self.StartConnected.DrawHighlightment(dc)
 self.StartConnected.Draw(dc)
 if self.EndConnected is not None:
 self.EndConnected.DrawHighlightment(dc)
 self.EndConnected.Draw(dc)
 # Draws the wire lines and points
 def Draw(self, dc):
 Graphic_Element.Draw(self, dc)
 if not self.Valid:
 dc.SetPen(MiterPen(wx.RED))
 dc.DrawText(self.ComputedValue, x, y)
 dc.SetFont(self.Parent.GetFont())
 dc.SetTextForeground(wx.BLACK)
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 #                           Graphic comment element
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 def FilterHighlightsByRow(highlights, row, length):
 _highlights = []
 for start, end, highlight_type in highlights:
 if start[0] <= row and end[0] >= row:
 if end[0] > row:
 end = (row, length)
 _highlights.append((start, end, highlight_type))
 return _highlights
 def FilterHighlightsByColumn(highlights, start_col, end_col):
 _highlights = []
 for start, end, highlight_type in highlights:
 if end[1] > start_col and start[1] < end_col:
 start = (start[0], max(start[1], start_col) - start_col)
 end = (end[0], min(end[1], end_col) - start_col)
 _highlights.append((start, end, highlight_type))
 return _highlights
-"""
-Class that implements a comment
-"""
 class Comment(Graphic_Element):
+"""
+Class that implements a comment
+"""
 # Create a new comment
-def __init__(self, parent, content, id = None):
+def __init__(self, parent, content, id=None):
 Graphic_Element.__init__(self, parent)
 self.Id = id
 self.Content = content
 self.Pos = wx.Point(0, 0)
 self.Size = wx.Size(0, 0)
 self.Highlights = []
 # Make a clone of this comment
-def Clone(self, parent, id = None, pos = None):
+def Clone(self, parent, id=None, pos=None):
 comment = Comment(parent, self.Content, id)
 if pos is not None:
 comment.SetPosition(pos.x, pos.y)
 comment.SetSize(self.Size[0], self.Size[1])
 return comment
 # Method for keeping compatibility with others
 def Clean(self):
 pass
 # Delete this comment by calling the corresponding method
 def Delete(self):
 self.Parent.DeleteComment(self)
 # Refresh the comment bounding box
 def RefreshBoundingBox(self):
 self.BoundingBox = wx.Rect(self.Pos.x, self.Pos.y, self.Size[0] + 1, self.Size[1] + 1)
 # Changes the comment size
 def SetSize(self, width, height):
 self.Size.SetWidth(width)
 self.Size.SetHeight(height)
 self.RefreshBoundingBox()
 # Returns the comment size
 def GetSize(self):
 return self.Size.GetWidth(), self.Size.GetHeight()
 # Returns the comment minimum size
 def GetMinSize(self):
 dc = wx.ClientDC(self.Parent)
 min_width = 0
 min_height = 0
 for word in line.split(" "):
 wordwidth, wordheight = dc.GetTextExtent(word)
 min_width = max(min_width, wordwidth)
 min_height = max(min_height, wordheight)
 return min_width + 20, min_height + 20
 # Changes the comment position
 def SetPosition(self, x, y):
 self.Pos.x = x
 self.Pos.y = y
 self.RefreshBoundingBox()
 return self.Content
 # Returns the comment position
 def GetPosition(self):
 return self.Pos.x, self.Pos.y
 # Moves the comment
-def Move(self, dx, dy, connected = True):
+def Move(self, dx, dy, connected=True):
 self.Pos.x += dx
 self.Pos.y += dy
 self.RefreshBoundingBox()
 # Resizes the comment with the position and the size given
 def Resize(self, x, y, width, height):
 self.Move(x, y)
 self.SetSize(width, height)
 # Method called when a RightUp event have been generated
 def OnRightUp(self, event, dc, scaling):
 # Popup the default menu
 self.Parent.PopupDefaultMenu()
 # Refreshes the wire state according to move defined and handle selected
 def ProcessDragging(self, movex, movey, event, scaling):
 if self.Parent.GetDrawingMode() != FREEDRAWING_MODE and self.Parent.CurrentLanguage == "LD":
 movex = movey = 0
 return Graphic_Element.ProcessDragging(self, movex, movey, event, scaling)
 # Refreshes the comment model
 def RefreshModel(self, move=True):
 self.Parent.RefreshCommentModel(self)
 # Method called when a LeftDClick event have been generated
 def OnLeftDClick(self, event, dc, scaling):
 # Edit the comment content
 self.Parent.EditCommentContent(self)
 # Adds an highlight to the comment
 def AddHighlight(self, infos, start, end, highlight_type):
 if infos[0] == "content":
 AddHighlight(self.Highlights, (start, end, highlight_type))
 # Removes an highlight from the comment
 def RemoveHighlight(self, infos, start, end, highlight_type):
 RemoveHighlight(self.Highlights, (start, end, highlight_type))
 # Removes all the highlights of one particular type from the comment
 def ClearHighlight(self, highlight_type=None):
 self.Highlights = ClearHighlights(self.Highlights, highlight_type)
 # Draws the highlightment of this element if it is highlighted
 def DrawHighlightment(self, dc):
 scalex, scaley = dc.GetUserScale()
 dc.SetUserScale(1, 1)
 dc.SetPen(MiterPen(HIGHLIGHTCOLOR))
 dc.SetBrush(wx.Brush(HIGHLIGHTCOLOR))
 dc.SetLogicalFunction(wx.AND)
 left = (self.Pos.x - 1) * scalex - 2
 right = (self.Pos.x + self.Size[0] + 1) * scalex + 2
 top = (self.Pos.y - 1) * scaley - 2
 bottom = (self.Pos.y + self.Size[1] + 1) * scaley + 2
 angle_top = (self.Pos.x + self.Size[0] - 9) * scalex + 2
 angle_right = (self.Pos.y + 9) * scaley - 2
 polygon = [wx.Point(left, top), wx.Point(angle_top, top),
 wx.Point(right, angle_right), wx.Point(right, bottom),
 wx.Point(left, bottom)]
 dc.DrawPolygon(polygon)
 dc.SetLogicalFunction(wx.COPY)
 dc.SetUserScale(scalex, scaley)
 # Draws the comment and its content
 def Draw(self, dc):
 Graphic_Element.Draw(self, dc)
 dc.SetPen(MiterPen(wx.BLACK))
 dc.SetBrush(wx.WHITE_BRUSH)
 # Draws the comment shape
 polygon = [wx.Point(self.Pos.x, self.Pos.y),
 wx.Point(self.Pos.x + self.Size[0] - 10, self.Pos.y),
 wx.Point(self.Pos.x + self.Size[0], self.Pos.y + 10),
 wx.Point(self.Pos.x + self.Size[0], self.Pos.y + self.Size[1]),
 wx.Point(self.Pos.x, self.Pos.y + self.Size[1])]
 dc.DrawPolygon(polygon)
 else:
 linetext = word
 y += wordheight + 5
 if y + wordheight > self.Pos.y + self.Size[1] - 10:
 break

changeset 1784	64beb9e9c749
parent 1782	5b6ad7a7fd9d
child 1828	396da88d7b5c