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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
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#based on the plcopen standard.
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#
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#Copyright (C): Edouard TISSERANT and Laurent BESSARD
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#
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#See COPYING file for copyrights details.
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#
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#This library is free software; you can redistribute it and/or
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#modify it under the terms of the GNU Lesser General Public
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#License as published by the Free Software Foundation; either
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#version 2.1 of the License, or (at your option) any later version.
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#
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#This library is distributed in the hope that it will be useful,
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#but WITHOUT ANY WARRANTY; without even the implied warranty of
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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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#Lesser General Public License for more details.
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#
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#You should have received a copy of the GNU Lesser General Public
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#License along with this library; if not, write to the Free Software
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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from wxPython.wx import *
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import wx
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from math import *
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#-------------------------------------------------------------------------------
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# Common constants
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#-------------------------------------------------------------------------------
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"""
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Definition of constants for dimensions of graphic elements
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"""
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# FBD and SFC constants
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MIN_MOVE = 5 # Minimum move before starting a element dragging
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CONNECTOR_SIZE = 8 # Size of connectors
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BLOCK_LINE_SIZE = 20 # Minimum size of each line in a block
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HANDLE_SIZE = 6 # Size of the squares for handles
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ANCHOR_DISTANCE = 5 # Distance where wire is automativally attached to a connector
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POINT_RADIUS = 2 # Radius of the point of wire ends
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MIN_SEGMENT_SIZE = 2 # Minimum size of the endling segments of a wire
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# LD constants
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LD_LINE_SIZE = 40 # Distance between two lines in a ladder rung
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LD_ELEMENT_SIZE = (21, 15) # Size (width, height) of a ladder element (contact or coil)
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LD_WIRE_SIZE = 30 # Size of a wire between two contact
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LD_WIRECOIL_SIZE = 70 # Size of a wire between a coil and a contact
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LD_OFFSET = (10, 10) # Distance (x, y) between each comment and rung of the ladder
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LD_COMMENT_DEFAULTSIZE = (600, 40) # Size (width, height) of a comment box
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# SFC constants
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SFC_STEP_DEFAULT_SIZE = (40, 30) # Default size of a SFC step
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SFC_TRANSITION_SIZE = (20, 2) # Size of a SFC transition
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SFC_DEFAULT_SEQUENCE_INTERVAL = 80 # Default size of the interval between two divergence branches
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SFC_SIMULTANEOUS_SEQUENCE_EXTRA = 20 # Size of extra lines for simultaneous divergence and convergence
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SFC_JUMP_SIZE = (12, 13) # Size of a SFC jump to step
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SFC_WIRE_MIN_SIZE = 25 # Size of a wire between two elements
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SFC_ACTION_MIN_SIZE = (100, 30) # Minimum size of an action block line
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# Type definition constants for graphic elements
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[INPUT, OUTPUT, INOUT] = range(3)
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[CONNECTOR, CONTINUATION] = range(2)
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[LEFTRAIL, RIGHTRAIL] = range(2)
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[CONTACT_NORMAL, CONTACT_REVERSE, CONTACT_RISING, CONTACT_FALLING] = range(4)
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[COIL_NORMAL, COIL_REVERSE, COIL_SET, COIL_RESET] = range(4)
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[SELECTION_DIVERGENCE, SELECTION_CONVERGENCE, SIMULTANEOUS_DIVERGENCE, SIMULTANEOUS_CONVERGENCE] = range(4)
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# Constants for defining the type of dragging that has been selected
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[HANDLE_MOVE, HANDLE_RESIZE, HANDLE_POINT, HANDLE_SEGMENT, HANDLE_CONNECTOR] = range(5)
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# List of value for resize handle that are valid
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VALID_HANDLES = [(1,1), (1,2), (1,3), (2,3), (3,3), (3,2), (3,1), (2,1)]
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# Contants for defining the direction of a connector
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[EAST, NORTH, WEST, SOUTH] = [(1,0), (0,-1), (-1,0), (0,1)]
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# Contants for defining which mode is selected for each view
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[MODE_SELECTION, MODE_BLOCK, MODE_VARIABLE, MODE_CONNECTION, MODE_COMMENT, MODE_WIRE,
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MODE_INITIAL_STEP] = range(7)
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"""
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Basic vector operations for calculate wire points
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"""
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# Calculate the scalar product of two vectors
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def product(v1, v2):
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return v1[0] * v2[0] + v1[1] * v2[1]
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# Create a vector from two points and define if vector must be normal
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def vector(p1, p2, normal = True):
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vector = (p2.x - p1.x, p2.y - p1.y)
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if normal:
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return normalize(vector)
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return vector
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# Calculate the norm of a given vector
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def norm(v):
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return sqrt(v[0] * v[0] + v[1] * v[1])
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# Normalize a given vector
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def normalize(v):
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v_norm = norm(v)
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# Verifie if it is not a null vector
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if v_norm > 0:
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return (v[0] / v_norm, v[1] / v_norm)
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else:
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return v
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"""
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Function that calculates the nearest point of the grid defined by scaling for the given point
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"""
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def GetScaledEventPosition(event, scaling):
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pos = event.GetPosition()
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if scaling:
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pos.x = round(float(pos.x) / float(scaling[0])) * scaling[0]
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pos.y = round(float(pos.y) / float(scaling[1])) * scaling[1]
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return pos
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"""
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Function that choose a direction during the wire points generation
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"""
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def DirectionChoice(v_base, v_target, dir_target):
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dir_product = product(v_base, v_target)
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if dir_product < 0:
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return (-v_base[0], -v_base[1])
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elif dir_product == 0 and product(v_base, dir_target) != 0:
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return dir_target
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return v_base
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#-------------------------------------------------------------------------------
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# Viewer Rubberband
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#-------------------------------------------------------------------------------
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"""
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Class that implements a rubberband
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"""
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class RubberBand:
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# Create a rubberband by indicated on which window it must be drawn
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def __init__(self, drawingSurface):
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self.drawingSurface = drawingSurface
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self.Reset()
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# Method that initializes the internal attributes of the rubberband
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def Reset(self):
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self.startPoint = None
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self.currentBox = None
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self.lastBox = None
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# Method that return if a box is currently edited
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def IsShown(self):
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return self.currentBox != None
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# Method that returns the currently edited box
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def GetCurrentExtent(self):
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return self.currentBox
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# Method called when a new box starts to be edited
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def OnLeftDown(self, event, scaling):
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pos = GetScaledEventPosition(event, scaling)
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# Save the point for calculate the box position and size
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self.startPoint = pos
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self.currentBox = wxRect(pos.x, pos.y, 0, 0)
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self.drawingSurface.SetCursor(wxStockCursor(wxCURSOR_CROSS))
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self.Redraw()
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# Method called when dragging with a box edited
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def OnMotion(self, event, scaling):
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pos = GetScaledEventPosition(event, scaling)
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# Save the last position and size of the box for erasing it
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self.lastBox = wxRect(self.currentBox.x, self.currentBox.y, self.currentBox.width,
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self.currentBox.height)
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# Calculate new position and size of the box
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if pos.x >= self.startPoint.x:
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self.currentBox.x = self.startPoint.x
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self.currentBox.width = pos.x - self.startPoint.x + 1
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else:
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self.currentBox.x = pos.x
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self.currentBox.width = self.startPoint.x - pos.x + 1
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if pos.y >= self.startPoint.y:
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self.currentBox.y = self.startPoint.y
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self.currentBox.height = pos.y - self.startPoint.y + 1
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else:
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self.currentBox.y = pos.y
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self.currentBox.height = self.startPoint.y - pos.y + 1
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self.Redraw()
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# Method called when dragging is stopped
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def OnLeftUp(self, event, scaling):
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self.drawingSurface.SetCursor(wxNullCursor)
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self.lastBox = self.currentBox
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self.currentBox = None
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self.Redraw()
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# Method that erase the last box and draw the new box
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def Redraw(self):
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dc = wxClientDC(self.drawingSurface)
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dc.SetPen(wxPen(wxWHITE, 1, wxDOT))
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dc.SetBrush(wxTRANSPARENT_BRUSH)
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dc.SetLogicalFunction(wxXOR)
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if self.lastBox:
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# Erase last box
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dc.DrawRectangle(self.lastBox.x, self.lastBox.y, self.lastBox.width,
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self.lastBox.height)
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if self.currentBox:
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# Draw current box
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dc.DrawRectangle(self.currentBox.x, self.currentBox.y, self.currentBox.width,
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self.currentBox.height)
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#-------------------------------------------------------------------------------
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# Graphic element base class
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#-------------------------------------------------------------------------------
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"""
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Class that implements a generic graphic element
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"""
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class Graphic_Element:
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# Create a new graphic element
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def __init__(self, parent, id = None):
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self.Parent = parent
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self.Id = id
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self.oldPos = None
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self.Handle = False
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self.Dragging = False
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self.Selected = False
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self.Pos = wxPoint(0, 0)
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self.Size = wxSize(0, 0)
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self.BoundingBox = wxRect(0, 0, 0, 0)
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# Make a clone of this element
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def Clone(self):
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return Graphic_Element(self.Parent, self.Id)
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# Changes the block position
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def SetPosition(self, x, y):
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self.Pos.x = x
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self.Pos.y = y
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self.RefreshConnected()
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self.RefreshBoundingBox()
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# Returns the block position
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def GetPosition(self):
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return self.Pos.x, self.Pos.y
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# Changes the element size
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def SetSize(self, width, height):
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self.Size.SetWidth(width)
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self.Size.SetHeight(height)
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self.RefreshConnectors()
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self.RefreshBoundingBox()
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# Returns the element size
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def GetSize(self):
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return self.Size.GetWidth(), self.Size.GetHeight()
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# Refresh the element Bounding Box
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def RefreshBoundingBox(self):
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self.BoundingBox = wxRect(self.Pos.x, self.Pos.y, self.Size[0], self.Size[1])
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# Refresh the element connectors position
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def RefreshConnectors(self):
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pass
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# Refresh the position of wires connected to element inputs and outputs
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def RefreshConnected(self):
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pass
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# Change the parent
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def SetParent(self, parent):
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self.Parent = parent
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# Override this method for defining the method to call for deleting this element
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def Delete(self):
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pass
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# Returns the Id
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def GetId(self):
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return self.Id
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# Returns if the point given is in the bounding box
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def HitTest(self, pt):
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rect = self.BoundingBox
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return rect.InsideXY(pt.x, pt.y)
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# Override this method for refreshing the bounding box
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def RefreshBoundingBox(self):
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pass
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# Returns the bounding box
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def GetBoundingBox(self):
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return self.BoundingBox
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# Change the variable that indicates if this element is selected
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def SetSelected(self, selected):
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self.Selected = selected
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# Test if the point is on a handle of this element
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def TestHandle(self, pt):
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# Verify that this element is selected
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if self.Selected:
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# Find if point is on a handle horizontally
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if self.BoundingBox.x - HANDLE_SIZE - 2 <= pt.x < self.BoundingBox.x - 2:
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handle_x = 1
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elif self.BoundingBox.x + (self.BoundingBox.width - HANDLE_SIZE) / 2 <= pt.x < self.BoundingBox.x + (self.BoundingBox.width + HANDLE_SIZE) / 2:
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handle_x = 2
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elif self.BoundingBox.x + self.BoundingBox.width + 2 <= pt.x < self.BoundingBox.x + self.BoundingBox.width + HANDLE_SIZE + 2:
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handle_x = 3
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else:
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handle_x = 0
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# Find if point is on a handle vertically
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if self.BoundingBox.y - HANDLE_SIZE - 2 <= pt.y < self.BoundingBox.y - 2:
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handle_y = 1
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elif self.BoundingBox.y + (self.BoundingBox.height - HANDLE_SIZE) / 2 <= pt.y < self.BoundingBox.y + (self.BoundingBox.height + HANDLE_SIZE) / 2:
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handle_y = 2
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elif self.BoundingBox.y + self.BoundingBox.height - 2 <= pt.y < self.BoundingBox.y + self.BoundingBox.height + HANDLE_SIZE + 2:
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handle_y = 3
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else:
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handle_y = 0
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# Verify that the result is valid
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if (handle_x, handle_y) in VALID_HANDLES:
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return handle_x, handle_y
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return 0, 0
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# Method called when a LeftDown event have been generated
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def OnLeftDown(self, event, scaling):
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pos = event.GetPosition()
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# Test if an handle have been clicked
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result = self.TestHandle(pos)
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# Find which type of handle have been clicked,
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# Save a resize event and change the cursor
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if result == (1, 1) or result == (3, 3):
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self.Handle = (HANDLE_RESIZE, result)
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self.Parent.SetCursor(wxStockCursor(wxCURSOR_SIZENWSE))
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elif result == (1, 3) or result == (3, 1):
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self.Handle = (HANDLE_RESIZE, result)
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self.Parent.SetCursor(wxStockCursor(wxCURSOR_SIZENESW))
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elif result == (1, 2) or result == (3, 2):
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self.Handle = (HANDLE_RESIZE, result)
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self.Parent.SetCursor(wxStockCursor(wxCURSOR_SIZEWE))
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elif result == (2, 1) or result == (2, 3):
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self.Handle = (HANDLE_RESIZE, result)
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self.Parent.SetCursor(wxStockCursor(wxCURSOR_SIZENS))
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# If no handle have been clicked, save a move event, and change the cursor
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else:
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self.Handle = (HANDLE_MOVE, None)
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self.Parent.SetCursor(wxStockCursor(wxCURSOR_HAND))
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self.SetSelected(False)
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# Initializes the last position
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self.oldPos = GetScaledEventPosition(event, scaling)
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# Method called when a LeftUp event have been generated
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def OnLeftUp(self, event, scaling):
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# If a dragging have been initiated
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if self.Dragging and self.oldPos:
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# Calculate the movement of cursor and refreshes the element state
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pos = GetScaledEventPosition(event, scaling)
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movex = pos.x - self.oldPos.x
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movey = pos.y - self.oldPos.y
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self.ProcessDragging(movex, movey)
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self.RefreshModel()
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self.SetSelected(True)
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self.oldPos = None
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# Method called when a RightUp event have been generated
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def OnRightUp(self, event, scaling):
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self.SetSelected(True)
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self.oldPos = None
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# Method called when a LeftDClick event have been generated
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def OnLeftDClick(self, event, scaling):
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pass
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# Method called when a Motion event have been generated
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def OnMotion(self, event, scaling):
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# If the cursor is dragging and the element have been clicked
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if event.Dragging() and self.oldPos:
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# Calculate the movement of cursor
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391 |
pos = GetScaledEventPosition(event, scaling)
|
|
392 |
movex = pos.x - self.oldPos.x
|
|
393 |
movey = pos.y - self.oldPos.y
|
|
394 |
# If movement is greater than MIN_MOVE then a dragging is initiated
|
|
395 |
if not self.Dragging and (abs(movex) > MIN_MOVE or abs(movey) > MIN_MOVE):
|
|
396 |
self.Dragging = True
|
|
397 |
# If a dragging have been initiated, refreshes the element state
|
|
398 |
if self.Dragging:
|
|
399 |
self.ProcessDragging(movex, movey)
|
|
400 |
self.oldPos = pos
|
|
401 |
# If cursor just pass over the element, changes the cursor if it is on a handle
|
|
402 |
else:
|
|
403 |
pos = event.GetPosition()
|
|
404 |
handle = self.TestHandle(pos)
|
|
405 |
if handle == (1, 1) or handle == (3, 3):
|
|
406 |
wxCallAfter(self.Parent.SetCursor, wxStockCursor(wxCURSOR_SIZENWSE))
|
|
407 |
elif handle == (1, 3) or handle == (3, 1):
|
|
408 |
wxCallAfter(self.Parent.SetCursor, wxStockCursor(wxCURSOR_SIZENESW))
|
|
409 |
elif handle == (1, 2) or handle == (3, 2):
|
|
410 |
wxCallAfter(self.Parent.SetCursor, wxStockCursor(wxCURSOR_SIZEWE))
|
|
411 |
elif handle == (2, 1) or handle == (2, 3):
|
|
412 |
wxCallAfter(self.Parent.SetCursor, wxStockCursor(wxCURSOR_SIZENS))
|
|
413 |
else:
|
|
414 |
wxCallAfter(self.Parent.SetCursor, wxNullCursor)
|
|
415 |
|
|
416 |
# Moves the element
|
|
417 |
def Move(self, dx, dy, exclude = []):
|
|
418 |
self.Pos.x += dx
|
|
419 |
self.Pos.y += dy
|
|
420 |
self.RefreshConnected(exclude)
|
|
421 |
self.RefreshBoundingBox()
|
|
422 |
|
|
423 |
# Resizes the element from position and size given
|
|
424 |
def Resize(self, x, y, width, height):
|
|
425 |
self.Move(x, y)
|
|
426 |
self.SetSize(width, height)
|
|
427 |
|
|
428 |
# Refreshes the element state according to move defined and handle selected
|
|
429 |
def ProcessDragging(self, movex, movey):
|
|
430 |
handle_type, handle = self.Handle
|
|
431 |
# If it is a resize handle, calculate the values from resizing
|
|
432 |
if handle_type == HANDLE_RESIZE:
|
|
433 |
x, y = 0, 0
|
|
434 |
width, height = self.GetSize()
|
|
435 |
if handle[0] == 1:
|
|
436 |
x = movex
|
|
437 |
width -= movex
|
|
438 |
elif handle[0] == 3:
|
|
439 |
width += movex
|
|
440 |
if handle[1] == 1:
|
|
441 |
y = movey
|
|
442 |
height -= movey
|
|
443 |
elif handle[1] == 3:
|
|
444 |
height += movey
|
|
445 |
# Verify that new size is not lesser than minimum
|
|
446 |
min_width, min_height = self.GetMinSize()
|
|
447 |
if width >= min_width and height >= min_height:
|
|
448 |
self.Resize(x, y, width, height)
|
|
449 |
# If it is a move handle, Move this element
|
|
450 |
elif handle_type == HANDLE_MOVE:
|
|
451 |
self.Move(movex, movey)
|
|
452 |
|
|
453 |
# Override this method for defining the method to call for refreshing the model of this element
|
|
454 |
def RefreshModel(self, move=True):
|
|
455 |
pass
|
|
456 |
|
|
457 |
# Draws the handles of this element if it is selected
|
|
458 |
def Draw(self, dc):
|
|
459 |
if self.Selected:
|
|
460 |
dc.SetPen(wxBLACK_PEN)
|
|
461 |
dc.SetBrush(wxBLACK_BRUSH)
|
|
462 |
dc.DrawRectangle(self.BoundingBox.x - HANDLE_SIZE - 2, self.BoundingBox.y - HANDLE_SIZE - 2, HANDLE_SIZE, HANDLE_SIZE)
|
|
463 |
dc.DrawRectangle(self.BoundingBox.x + (self.BoundingBox.width - HANDLE_SIZE) / 2,
|
|
464 |
self.BoundingBox.y - HANDLE_SIZE - 2, HANDLE_SIZE, HANDLE_SIZE)
|
|
465 |
dc.DrawRectangle(self.BoundingBox.x + self.BoundingBox.width + 2,
|
|
466 |
self.BoundingBox.y - HANDLE_SIZE - 2, HANDLE_SIZE, HANDLE_SIZE)
|
|
467 |
dc.DrawRectangle(self.BoundingBox.x + self.BoundingBox.width + 2,
|
|
468 |
self.BoundingBox.y + (self.BoundingBox.height - HANDLE_SIZE) / 2, HANDLE_SIZE, HANDLE_SIZE)
|
|
469 |
dc.DrawRectangle(self.BoundingBox.x + self.BoundingBox.width + 2,
|
|
470 |
self.BoundingBox.y + self.BoundingBox.height + 2, HANDLE_SIZE, HANDLE_SIZE)
|
|
471 |
dc.DrawRectangle(self.BoundingBox.x + (self.BoundingBox.width - HANDLE_SIZE) / 2,
|
|
472 |
self.BoundingBox.y + self.BoundingBox.height + 2, HANDLE_SIZE, HANDLE_SIZE)
|
|
473 |
dc.DrawRectangle(self.BoundingBox.x - HANDLE_SIZE - 2, self.BoundingBox.y + self.BoundingBox.height + 2, HANDLE_SIZE, HANDLE_SIZE)
|
|
474 |
dc.DrawRectangle(self.BoundingBox.x - HANDLE_SIZE - 2, self.BoundingBox.y + (self.BoundingBox.height - HANDLE_SIZE) / 2, HANDLE_SIZE, HANDLE_SIZE)
|
|
475 |
dc.SetBrush(wxWHITE_BRUSH)
|
|
476 |
|
|
477 |
|
|
478 |
#-------------------------------------------------------------------------------
|
|
479 |
# Group of graphic elements
|
|
480 |
#-------------------------------------------------------------------------------
|
|
481 |
|
|
482 |
"""
|
|
483 |
Class that implements a group of graphic elements
|
|
484 |
"""
|
|
485 |
|
|
486 |
class Graphic_Group(Graphic_Element):
|
|
487 |
|
|
488 |
# Create a new group of graphic elements
|
|
489 |
def __init__(self, parent):
|
|
490 |
Graphic_Element.__init__(self, parent)
|
|
491 |
self.Elements = []
|
|
492 |
self.RefreshBoundingBox()
|
|
493 |
|
|
494 |
# Destructor
|
|
495 |
def __del__(self):
|
|
496 |
self.Elements = []
|
|
497 |
|
|
498 |
# Make a clone of this group
|
|
499 |
def Clone(self):
|
|
500 |
clone = Graphic_Group(self.Parent)
|
|
501 |
elements = []
|
|
502 |
# Makes a clone of all the elements in this group
|
|
503 |
for element in self.Elements:
|
|
504 |
elements.append(element.Clone())
|
|
505 |
clone.SetElements(elements)
|
|
506 |
return clone
|
|
507 |
|
|
508 |
# Clean this group of elements
|
|
509 |
def Clean(self):
|
|
510 |
# Clean all the elements of the group
|
|
511 |
for element in self.Elements:
|
|
512 |
element.Clean()
|
|
513 |
|
|
514 |
# Delete this group of elements
|
|
515 |
def Delete(self):
|
|
516 |
# Delete all the elements of the group
|
|
517 |
for element in self.Elements:
|
|
518 |
element.Delete()
|
|
519 |
|
|
520 |
# Returns if the point given is in the bounding box of one of the elements of this group
|
|
521 |
def HitTest(self, pt):
|
|
522 |
result = False
|
|
523 |
for element in self.Elements:
|
|
524 |
result |= element.HitTest(pt)
|
|
525 |
return result
|
|
526 |
|
|
527 |
# Returns if the element given is in this group
|
|
528 |
def IsElementIn(self, element):
|
|
529 |
return element in self.Elements
|
|
530 |
|
|
531 |
# Change the elements of the group
|
|
532 |
def SetElements(self, elements):
|
|
533 |
self.Elements = elements
|
|
534 |
self.RefreshBoundingBox()
|
|
535 |
|
|
536 |
# Returns the elements of the group
|
|
537 |
def GetElements(self):
|
|
538 |
return self.Elements
|
|
539 |
|
|
540 |
# Remove or select the given element if it is or not in the group
|
|
541 |
def SelectElement(self, element):
|
|
542 |
if element in self.Elements:
|
|
543 |
self.Elements.remove(element)
|
|
544 |
else:
|
|
545 |
self.Elements.append(element)
|
|
546 |
self.RefreshBoundingBox()
|
|
547 |
|
|
548 |
# Move this group of elements
|
|
549 |
def Move(self, movex, movey):
|
|
550 |
exclude = []
|
|
551 |
for element in self.Elements:
|
|
552 |
if isinstance(element, Wire):
|
|
553 |
exclude.append(element)
|
|
554 |
# Move all the elements of the group
|
|
555 |
for element in self.Elements:
|
|
556 |
if isinstance(element, Wire):
|
|
557 |
element.Move(movex, movey, True)
|
|
558 |
else:
|
|
559 |
element.Move(movex, movey, exclude)
|
|
560 |
self.RefreshBoundingBox()
|
|
561 |
|
|
562 |
# Refreshes the bounding box of this group of elements
|
|
563 |
def RefreshBoundingBox(self):
|
|
564 |
if len(self.Elements) > 0:
|
|
565 |
bbox = self.Elements[0].GetBoundingBox()
|
|
566 |
minx, miny = bbox.x, bbox.y
|
|
567 |
maxx = bbox.x + bbox.width
|
|
568 |
maxy = bbox.y + bbox.height
|
|
569 |
for element in self.Elements[1:]:
|
|
570 |
bbox = element.GetBoundingBox()
|
|
571 |
minx = min(minx, bbox.x)
|
|
572 |
miny = min(miny, bbox.y)
|
|
573 |
maxx = max(maxx, bbox.x + bbox.width)
|
|
574 |
maxy = max(maxy, bbox.y + bbox.height)
|
|
575 |
self.BoundingBox = wxRect(minx, miny, maxx - minx, maxy - miny)
|
|
576 |
else:
|
|
577 |
self.BoundingBox = wxRect(0, 0, 0, 0)
|
|
578 |
|
|
579 |
# Forbids to change the group position
|
|
580 |
def SetPosition(x, y):
|
|
581 |
pass
|
|
582 |
|
|
583 |
# Returns the position of this group
|
|
584 |
def GetPosition(self):
|
|
585 |
return self.BoundingBox.x, self.BoundingBox.y
|
|
586 |
|
|
587 |
# Forbids to change the group size
|
|
588 |
def SetSize(width, height):
|
|
589 |
pass
|
|
590 |
|
|
591 |
# Returns the size of this group
|
|
592 |
def GetSize(self):
|
|
593 |
return self.BoundingBox.width, self.BoundingBox.height
|
|
594 |
|
|
595 |
# Change the variable that indicates if the elemente is selected
|
|
596 |
def SetSelected(self, selected):
|
|
597 |
for element in self.Elements:
|
|
598 |
element.SetSelected(selected)
|
|
599 |
|
|
600 |
# Refreshes the model of all the elements of this group
|
|
601 |
def RefreshModel(self):
|
|
602 |
for element in self.Elements:
|
|
603 |
element.RefreshModel()
|
|
604 |
|
|
605 |
|
|
606 |
#-------------------------------------------------------------------------------
|
|
607 |
# Connector for all types of blocks
|
|
608 |
#-------------------------------------------------------------------------------
|
|
609 |
|
|
610 |
"""
|
|
611 |
Class that implements a connector for any type of block
|
|
612 |
"""
|
|
613 |
|
|
614 |
class Connector:
|
|
615 |
|
|
616 |
# Create a new connector
|
|
617 |
def __init__(self, parent, name, type, position, direction, negated = False, edge = "none"):
|
|
618 |
self.ParentBlock = parent
|
|
619 |
self.Name = name
|
|
620 |
self.Type = type
|
|
621 |
self.Pos = position
|
|
622 |
self.Direction = direction
|
|
623 |
self.Wires = []
|
|
624 |
self.Negated = negated
|
|
625 |
self.Edge = edge
|
|
626 |
self.Pen = wxBLACK_PEN
|
|
627 |
|
|
628 |
# Change the connector pen
|
|
629 |
def SetPen(self, pen):
|
|
630 |
self.Pen = pen
|
|
631 |
|
|
632 |
# Make a clone of the connector
|
|
633 |
def Clone(self):
|
|
634 |
return Connector(self.Parent, self.Name, self.Type, wxPoint(self.Pos[0], self.Pos[1]),
|
|
635 |
self.Direction, self.Negated)
|
|
636 |
|
|
637 |
# Returns the connector parent block
|
|
638 |
def GetParentBlock(self):
|
|
639 |
return self.ParentBlock
|
|
640 |
|
|
641 |
# Returns the connector name
|
|
642 |
def GetName(self):
|
|
643 |
return self.Name
|
|
644 |
|
|
645 |
# Changes the connector name
|
|
646 |
def SetName(self, name):
|
|
647 |
self.Name = name
|
|
648 |
|
|
649 |
# Returns the wires connected to the connector
|
|
650 |
def GetWires(self):
|
|
651 |
return self.Wires
|
|
652 |
|
|
653 |
# Returns the parent block Id
|
|
654 |
def GetBlockId(self):
|
|
655 |
return self.ParentBlock.GetId()
|
|
656 |
|
|
657 |
# Returns the connector relative position
|
|
658 |
def GetRelPosition(self):
|
|
659 |
return self.Pos
|
|
660 |
|
|
661 |
# Returns the connector absolute position
|
|
662 |
def GetPosition(self, size = True):
|
|
663 |
parent_pos = self.ParentBlock.GetPosition()
|
|
664 |
# If the position of the end of the connector is asked
|
|
665 |
if size:
|
|
666 |
x = parent_pos[0] + self.Pos.x + self.Direction[0] * CONNECTOR_SIZE
|
|
667 |
y = parent_pos[1] + self.Pos.y + self.Direction[1] * CONNECTOR_SIZE
|
|
668 |
else:
|
|
669 |
x = parent_pos[0] + self.Pos.x
|
|
670 |
y = parent_pos[1] + self.Pos.y
|
|
671 |
return wxPoint(x, y)
|
|
672 |
|
|
673 |
# Change the connector relative position
|
|
674 |
def SetPosition(self, pos):
|
|
675 |
self.Pos = pos
|
|
676 |
|
|
677 |
# Returns the connector direction
|
|
678 |
def GetDirection(self):
|
|
679 |
return self.Direction
|
|
680 |
|
|
681 |
# Change the connector direction
|
|
682 |
def SetDirection(self, direction):
|
|
683 |
self.Direction = direction
|
|
684 |
|
|
685 |
# Connect a wire to this connector at the last place
|
|
686 |
def Connect(self, wire, refresh = True):
|
|
687 |
self.InsertConnect(len(self.Wires), wire, refresh)
|
|
688 |
|
|
689 |
# Connect a wire to this connector at the place given
|
|
690 |
def InsertConnect(self, idx, wire, refresh = True):
|
|
691 |
if wire not in self.Wires:
|
|
692 |
self.Wires.insert(idx, wire)
|
|
693 |
if refresh:
|
|
694 |
self.ParentBlock.RefreshModel(False)
|
|
695 |
|
|
696 |
# Returns the index of the wire given in the list of connected
|
|
697 |
def GetWireIndex(self, wire):
|
|
698 |
for i, (tmp_wire, handle) in enumerate(self.Wires):
|
|
699 |
if tmp_wire == wire:
|
|
700 |
return i
|
|
701 |
return None
|
|
702 |
|
|
703 |
# Unconnect a wire or all wires connected to the connector
|
|
704 |
def UnConnect(self, wire = None, unconnect = True):
|
|
705 |
i = 0
|
|
706 |
found = False
|
|
707 |
while i < len(self.Wires) and not found:
|
|
708 |
if not wire or self.Wires[i][0] == wire:
|
|
709 |
# If Unconnect haven't been called from a wire, disconnect the connector in the wire
|
|
710 |
if unconnect:
|
|
711 |
if self.Wires[i][1] == 0:
|
|
712 |
self.Wires[i][0].UnConnectStartPoint()
|
|
713 |
else:
|
|
714 |
self.Wires[i][0].UnConnectEndPoint()
|
|
715 |
# Remove wire from connected
|
|
716 |
if wire:
|
|
717 |
self.Wires.pop(i)
|
|
718 |
found = True
|
|
719 |
i += 1
|
|
720 |
# If no wire defined, unconnect all wires
|
|
721 |
if not wire:
|
|
722 |
self.Wires = []
|
|
723 |
self.ParentBlock.RefreshModel(False)
|
|
724 |
|
|
725 |
# Returns if connector has one or more wire connected
|
|
726 |
def IsConnected(self):
|
|
727 |
return len(self.Wires) > 0
|
|
728 |
|
|
729 |
# Move the wires connected
|
|
730 |
def MoveConnected(self, exclude = []):
|
|
731 |
if len(self.Wires) > 0:
|
|
732 |
# Calculate the new position of the end point
|
|
733 |
parent_pos = self.ParentBlock.GetPosition()
|
|
734 |
x = parent_pos[0] + self.Pos.x + self.Direction[0] * CONNECTOR_SIZE
|
|
735 |
y = parent_pos[1] + self.Pos.y + self.Direction[1] * CONNECTOR_SIZE
|
|
736 |
# Move the corresponding point on all the wires connected
|
|
737 |
for wire, index in self.Wires:
|
|
738 |
if wire not in exclude:
|
|
739 |
if index == 0:
|
|
740 |
wire.MoveStartPoint(wxPoint(x, y))
|
|
741 |
else:
|
|
742 |
wire.MoveEndPoint(wxPoint(x, y))
|
|
743 |
|
|
744 |
# Refreshes the model of all the wires connected
|
|
745 |
def RefreshWires(self):
|
|
746 |
for wire in self.Wires:
|
|
747 |
wire[0].RefreshModel()
|
|
748 |
|
|
749 |
# Refreshes the parent block model
|
|
750 |
def RefreshParentBlock(self):
|
|
751 |
self.ParentBlock.RefreshModel(False)
|
|
752 |
|
|
753 |
# Returns the connector negated property
|
|
754 |
def IsNegated(self):
|
|
755 |
return self.Negated
|
|
756 |
|
|
757 |
# Changes the connector negated property
|
|
758 |
def SetNegated(self, negated):
|
|
759 |
self.Negated = negated
|
|
760 |
self.Edge = "none"
|
|
761 |
|
|
762 |
# Returns the connector edge property
|
|
763 |
def GetEdge(self):
|
|
764 |
return self.Edge
|
|
765 |
|
|
766 |
# Changes the connector edge property
|
|
767 |
def SetEdge(self, edge):
|
|
768 |
self.Edge = edge
|
|
769 |
self.Negated = False
|
|
770 |
|
|
771 |
# Tests if the point given is near from the end point of this connector
|
|
772 |
def TestPoint(self, pt, exclude = True):
|
|
773 |
parent_pos = self.ParentBlock.GetPosition()
|
|
774 |
if not (len(self.Wires) > 0 and self.Direction == WEST and exclude):
|
|
775 |
# Calculate a square around the end point of this connector
|
|
776 |
x = parent_pos[0] + self.Pos.x + self.Direction[0] * CONNECTOR_SIZE - ANCHOR_DISTANCE
|
|
777 |
y = parent_pos[1] + self.Pos.y + self.Direction[1] * CONNECTOR_SIZE - ANCHOR_DISTANCE
|
|
778 |
width = ANCHOR_DISTANCE * 2 + abs(self.Direction[0]) * CONNECTOR_SIZE
|
|
779 |
height = ANCHOR_DISTANCE * 2 + abs(self.Direction[1]) * CONNECTOR_SIZE
|
|
780 |
rect = wxRect(x, y, width, height)
|
|
781 |
return rect.InsideXY(pt.x, pt.y)
|
|
782 |
return False
|
|
783 |
|
|
784 |
# Draws the connector
|
|
785 |
def Draw(self, dc):
|
|
786 |
dc.SetPen(self.Pen)
|
|
787 |
dc.SetBrush(wxWHITE_BRUSH)
|
|
788 |
parent_pos = self.ParentBlock.GetPosition()
|
|
789 |
if self.Negated:
|
|
790 |
# If connector is negated, draw a circle
|
|
791 |
xcenter = parent_pos[0] + self.Pos.x + (CONNECTOR_SIZE * self.Direction[0]) / 2
|
|
792 |
ycenter = parent_pos[1] + self.Pos.y + (CONNECTOR_SIZE * self.Direction[1]) / 2
|
|
793 |
dc.DrawCircle(xcenter, ycenter, CONNECTOR_SIZE / 2)
|
|
794 |
else:
|
|
795 |
xstart = parent_pos[0] + self.Pos.x
|
|
796 |
ystart = parent_pos[1] + self.Pos.y
|
|
797 |
if self.Edge == "rising":
|
|
798 |
# If connector has a rising edge, draw a right arrow
|
|
799 |
dc.DrawLine(xstart, ystart, xstart - 4, ystart - 4)
|
|
800 |
dc.DrawLine(xstart, ystart, xstart - 4, ystart + 4)
|
|
801 |
elif self.Edge == "falling":
|
|
802 |
# If connector has a falling edge, draw a left arrow
|
|
803 |
dc.DrawLine(xstart, ystart, xstart + 4, ystart - 4)
|
|
804 |
dc.DrawLine(xstart, ystart, xstart + 4, ystart + 4)
|
|
805 |
xend = xstart + CONNECTOR_SIZE * self.Direction[0]
|
|
806 |
yend = ystart + CONNECTOR_SIZE * self.Direction[1]
|
|
807 |
dc.DrawLine(xstart + self.Direction[0], ystart + self.Direction[1], xend, yend)
|
|
808 |
# Calculate the position of the text
|
|
809 |
text_size = dc.GetTextExtent(self.Name)
|
|
810 |
if self.Direction[0] != 0:
|
|
811 |
ytext = parent_pos[1] + self.Pos.y - text_size[1] / 2
|
|
812 |
if self.Direction[0] < 0:
|
|
813 |
xtext = parent_pos[0] + self.Pos.x + 5
|
|
814 |
else:
|
|
815 |
xtext = parent_pos[0] + self.Pos.x - (text_size[0] + 5)
|
|
816 |
if self.Direction[1] != 0:
|
|
817 |
xtext = parent_pos[0] + self.Pos.x - text_size[0] / 2
|
|
818 |
if self.Direction[1] < 0:
|
|
819 |
ytext = parent_pos[1] + self.Pos.y + 5
|
|
820 |
else:
|
|
821 |
ytext = parent_pos[1] + self.Pos.y - (text_size[1] + 5)
|
|
822 |
# Draw the text
|
|
823 |
dc.DrawText(self.Name, xtext, ytext)
|
|
824 |
|
|
825 |
|
|
826 |
#-------------------------------------------------------------------------------
|
|
827 |
# Common Wire Element
|
|
828 |
#-------------------------------------------------------------------------------
|
|
829 |
|
|
830 |
"""
|
|
831 |
Class that implements a wire for connecting two blocks
|
|
832 |
"""
|
|
833 |
|
|
834 |
class Wire(Graphic_Element):
|
|
835 |
|
|
836 |
# Create a new wire
|
|
837 |
def __init__(self, parent, start = None, end = None):
|
|
838 |
Graphic_Element.__init__(self, parent)
|
|
839 |
self.StartPoint = start
|
|
840 |
self.EndPoint = end
|
|
841 |
self.StartConnected = None
|
|
842 |
self.EndConnected = None
|
|
843 |
# If the start and end points are defined, calculate the wire
|
|
844 |
if start and end:
|
|
845 |
self.ResetPoints()
|
|
846 |
self.GeneratePoints()
|
|
847 |
else:
|
|
848 |
self.Points = []
|
|
849 |
self.Segments = []
|
|
850 |
self.SelectedSegment = None
|
|
851 |
self.OverStart = False
|
|
852 |
self.OverEnd = False
|
|
853 |
|
|
854 |
# Destructor of a wire
|
|
855 |
def __del__(self):
|
|
856 |
self.StartConnected = None
|
|
857 |
self.EndConnected = None
|
|
858 |
|
|
859 |
# Forbids to change the wire position
|
|
860 |
def SetPosition(x, y):
|
|
861 |
pass
|
|
862 |
|
|
863 |
# Forbids to change the wire size
|
|
864 |
def SetSize(width, height):
|
|
865 |
pass
|
|
866 |
|
|
867 |
# Unconnect the start and end points
|
|
868 |
def Clean(self):
|
|
869 |
if self.StartConnected:
|
|
870 |
self.UnConnectStartPoint()
|
|
871 |
if self.EndConnected:
|
|
872 |
self.UnConnectEndPoint()
|
|
873 |
|
|
874 |
# Delete this wire by calling the corresponding method
|
|
875 |
def Delete(self):
|
|
876 |
self.Parent.DeleteWire(self)
|
|
877 |
|
|
878 |
# Select a segment and not the whole wire. It's useful for Ladder Diagram
|
|
879 |
def SetSelectedSegment(self, segment):
|
|
880 |
# The last segment is indicated
|
|
881 |
if segment == -1:
|
|
882 |
segment = len(self.Segments) - 1
|
|
883 |
# The selected segment is reinitialised
|
|
884 |
if segment == None:
|
|
885 |
if self.StartConnected:
|
|
886 |
self.StartConnected.SetPen(wxBLACK_PEN)
|
|
887 |
if self.EndConnected:
|
|
888 |
self.EndConnected.SetPen(wxBLACK_PEN)
|
|
889 |
# The segment selected is the first
|
|
890 |
elif segment == 0:
|
|
891 |
if self.StartConnected:
|
|
892 |
self.StartConnected.SetPen(wxRED_PEN)
|
|
893 |
if self.EndConnected:
|
|
894 |
# There is only one segment
|
|
895 |
if len(self.Segments) == 1:
|
|
896 |
self.EndConnected.SetPen(wxRED_PEN)
|
|
897 |
else:
|
|
898 |
self.EndConnected.SetPen(wxBLACK_PEN)
|
|
899 |
# The segment selected is the last
|
|
900 |
elif segment == len(self.Segments) - 1:
|
|
901 |
if self.StartConnected:
|
|
902 |
self.StartConnected.SetPen(wxBLACK_PEN)
|
|
903 |
if self.EndConnected:
|
|
904 |
self.EndConnected.SetPen(wxRED_PEN)
|
|
905 |
self.SelectedSegment = segment
|
|
906 |
|
|
907 |
# Reinitialize the wire points
|
|
908 |
def ResetPoints(self):
|
|
909 |
if self.StartPoint and self.EndPoint:
|
|
910 |
self.Points = [self.StartPoint[0], self.EndPoint[0]]
|
|
911 |
self.Segments = [self.StartPoint[1]]
|
|
912 |
else:
|
|
913 |
self.Points = []
|
|
914 |
self.Segments = []
|
|
915 |
|
|
916 |
# Refresh the wire bounding box
|
|
917 |
def RefreshBoundingBox(self):
|
|
918 |
if len(self.Points) > 0:
|
|
919 |
# If startpoint or endpoint is connected, save the point radius
|
|
920 |
start_radius = end_radius = 0
|
|
921 |
if not self.StartConnected:
|
|
922 |
start_radius = POINT_RADIUS
|
|
923 |
if not self.EndConnected:
|
|
924 |
end_radius = POINT_RADIUS
|
|
925 |
# Initialize minimum and maximum from the first point
|
|
926 |
minx, minbbxx = self.Points[0].x, self.Points[0].x - start_radius
|
|
927 |
maxx, maxbbxx = self.Points[0].x, self.Points[0].x + start_radius
|
|
928 |
miny, minbbxy = self.Points[0].y, self.Points[0].y - start_radius
|
|
929 |
maxy, maxbbxy = self.Points[0].y, self.Points[0].y + start_radius
|
|
930 |
# Actualize minimum and maximum with the other points
|
|
931 |
for point in self.Points[1:-1]:
|
|
932 |
minx, minbbxx = min(minx, point.x), min(minbbxx, point.x)
|
|
933 |
maxx, maxbbxx = max(maxx, point.x), max(maxbbxx, point.x)
|
|
934 |
miny, minbbxy = min(miny, point.y), min(minbbxy, point.y)
|
|
935 |
maxy, maxbbxy = max(maxy, point.y), max(maxbbxy, point.y)
|
|
936 |
if len(self.Points) > 1:
|
|
937 |
minx, minbbxx = min(minx, self.Points[-1].x), min(minbbxx, self.Points[-1].x - end_radius)
|
|
938 |
maxx, maxbbxx = max(maxx, self.Points[-1].x), max(maxbbxx, self.Points[-1].x + end_radius)
|
|
939 |
miny, minbbxy = min(miny, self.Points[-1].y), min(minbbxy, self.Points[-1].y - end_radius)
|
|
940 |
maxy, maxbbxy = max(maxy, self.Points[-1].y), max(maxbbxy, self.Points[-1].y + end_radius)
|
|
941 |
self.Pos = wxPoint(minx, miny)
|
|
942 |
self.Size = wxSize(maxx -minx + 1, maxy - miny + 1)
|
|
943 |
self.BoundingBox = wxRect(minbbxx, minbbxy, maxbbxx - minbbxx + 1, maxbbxy - minbbxy + 1)
|
|
944 |
|
|
945 |
# Refresh the realpoints that permits to keep the proportionality in wire during resizing
|
|
946 |
def RefreshRealPoints(self):
|
|
947 |
if len(self.Points) > 0:
|
|
948 |
self.RealPoints = []
|
|
949 |
# Calculate float relative position of each point with the minimum point
|
|
950 |
for point in self.Points:
|
|
951 |
self.RealPoints.append([float(point.x - self.Pos.x), float(point.y - self.Pos.y)])
|
|
952 |
|
|
953 |
# Returns the wire minimum size
|
|
954 |
def GetMinSize(self):
|
|
955 |
width = 1
|
|
956 |
height = 1
|
|
957 |
dir_product = product(self.StartPoint[1], self.EndPoint[1])
|
|
958 |
# The directions are opposed
|
|
959 |
if dir_product < 0:
|
|
960 |
if self.StartPoint[0] != 0:
|
|
961 |
width = MIN_SEGMENT_SIZE * 2
|
|
962 |
if self.StartPoint[1] != 0:
|
|
963 |
height = MIN_SEGMENT_SIZE * 2
|
|
964 |
# The directions are the same
|
|
965 |
elif dir_product > 0:
|
|
966 |
if self.StartPoint[0] != 0:
|
|
967 |
width = MIN_SEGMENT_SIZE
|
|
968 |
if self.StartPoint[1] != 0:
|
|
969 |
height = MIN_SEGMENT_SIZE
|
|
970 |
# The directions are perpendiculars
|
|
971 |
else:
|
|
972 |
width = MIN_SEGMENT_SIZE
|
|
973 |
height = MIN_SEGMENT_SIZE
|
|
974 |
return width + 1, height + 1
|
|
975 |
|
|
976 |
# Returns if the point given is on one of the wire segments
|
|
977 |
def HitTest(self, pt):
|
|
978 |
test = False
|
|
979 |
for i in xrange(len(self.Points) - 1):
|
|
980 |
rect = wxRect(0, 0, 0, 0)
|
|
981 |
x1, y1 = self.Points[i].x, self.Points[i].y
|
|
982 |
x2, y2 = self.Points[i + 1].x, self.Points[i + 1].y
|
|
983 |
# Calculate a rectangle around the segment
|
|
984 |
rect = wxRect(min(x1, x2) - ANCHOR_DISTANCE, min(y1, y2) - ANCHOR_DISTANCE,
|
|
985 |
abs(x1 - x2) + 2 * ANCHOR_DISTANCE, abs(y1 - y2) + 2 * ANCHOR_DISTANCE)
|
|
986 |
test |= rect.InsideXY(pt.x, pt.y)
|
|
987 |
return test
|
|
988 |
|
|
989 |
# Returns the wire start or end point if the point given is on one of them
|
|
990 |
def TestPoint(self, pt):
|
|
991 |
# Test the wire start point
|
|
992 |
rect = wxRect(self.Points[0].x - ANCHOR_DISTANCE, self.Points[0].y - ANCHOR_DISTANCE,
|
|
993 |
2 * ANCHOR_DISTANCE, 2 * ANCHOR_DISTANCE)
|
|
994 |
if rect.InsideXY(pt.x, pt.y):
|
|
995 |
return 0
|
|
996 |
# Test the wire end point
|
|
997 |
if len(self.Points) > 1:
|
|
998 |
rect = wxRect(self.Points[-1].x - ANCHOR_DISTANCE, self.Points[-1].y - ANCHOR_DISTANCE,
|
|
999 |
2 * ANCHOR_DISTANCE, 2 * ANCHOR_DISTANCE)
|
|
1000 |
if rect.InsideXY(pt.x, pt.y):
|
|
1001 |
return -1
|
|
1002 |
return None
|
|
1003 |
|
|
1004 |
# Returns the wire segment if the point given is on it
|
|
1005 |
def TestSegment(self, pt, all=False):
|
|
1006 |
for i in xrange(len(self.Segments)):
|
|
1007 |
# If wire is not in a Ladder Diagram, first and last segments are excluded
|
|
1008 |
if 0 < i < len(self.Segments) - 1 or all:
|
|
1009 |
x1, y1 = self.Points[i].x, self.Points[i].y
|
|
1010 |
x2, y2 = self.Points[i + 1].x, self.Points[i + 1].y
|
|
1011 |
# Calculate a rectangle around the segment
|
|
1012 |
rect = wxRect(min(x1, x2) - ANCHOR_DISTANCE, min(y1, y2) - ANCHOR_DISTANCE,
|
|
1013 |
abs(x1 - x2) + 2 * ANCHOR_DISTANCE, abs(y1 - y2) + 2 * ANCHOR_DISTANCE)
|
|
1014 |
if rect.InsideXY(pt.x, pt.y):
|
|
1015 |
return i, self.Segments[i]
|
|
1016 |
return None
|
|
1017 |
|
|
1018 |
# Define the wire points
|
|
1019 |
def SetPoints(self, points):
|
|
1020 |
if len(points) > 1:
|
|
1021 |
self.Points = [wxPoint(x, y) for x, y in points]
|
|
1022 |
# Calculate the start and end directions
|
|
1023 |
self.StartPoint = [None, vector(self.Points[0], self.Points[1])]
|
|
1024 |
self.EndPoint = [None, vector(self.Points[-1], self.Points[-2])]
|
|
1025 |
# Calculate the start and end points
|
|
1026 |
self.StartPoint[0] = wxPoint(self.Points[0].x + CONNECTOR_SIZE * self.StartPoint[1][0],
|
|
1027 |
self.Points[0].y + CONNECTOR_SIZE * self.StartPoint[1][1])
|
|
1028 |
self.EndPoint[0] = wxPoint(self.Points[-1].x + CONNECTOR_SIZE * self.EndPoint[1][0],
|
|
1029 |
self.Points[-1].y + CONNECTOR_SIZE * self.EndPoint[1][1])
|
|
1030 |
self.Points[0] = self.StartPoint[0]
|
|
1031 |
self.Points[-1] = self.EndPoint[0]
|
|
1032 |
# Calculate the segments directions
|
|
1033 |
self.Segments = []
|
|
1034 |
for i in xrange(len(self.Points) - 1):
|
|
1035 |
self.Segments.append(vector(self.Points[i], self.Points[i + 1]))
|
|
1036 |
self.RefreshBoundingBox()
|
|
1037 |
self.RefreshRealPoints()
|
|
1038 |
|
|
1039 |
# Returns the position of the point indicated
|
|
1040 |
def GetPoint(self, index):
|
|
1041 |
if index < len(self.Points):
|
|
1042 |
return self.Points[index].x, self.Points[index].y
|
|
1043 |
return None
|
|
1044 |
|
|
1045 |
# Returns a list of the position of all wire points
|
|
1046 |
def GetPoints(self, invert = False):
|
|
1047 |
points = self.VerifyPoints()
|
|
1048 |
points[0] = wxPoint(points[0].x - CONNECTOR_SIZE * self.StartPoint[1][0],
|
|
1049 |
points[0].y - CONNECTOR_SIZE * self.StartPoint[1][1])
|
|
1050 |
points[-1] = wxPoint(points[-1].x - CONNECTOR_SIZE * self.EndPoint[1][0],
|
|
1051 |
points[-1].y - CONNECTOR_SIZE * self.EndPoint[1][1])
|
|
1052 |
# An inversion of the list is asked
|
|
1053 |
if invert:
|
|
1054 |
points.reverse()
|
|
1055 |
return points
|
|
1056 |
|
|
1057 |
# Returns the position of the two selected segment points
|
|
1058 |
def GetSelectedSegmentPoints(self):
|
|
1059 |
if self.SelectedSegment != None and len(self.Points) > 1:
|
|
1060 |
return self.Points[self.SelectedSegment:self.SelectedSegment + 2]
|
|
1061 |
return []
|
|
1062 |
|
|
1063 |
# Returns if the selected segment is the first and/or the last of the wire
|
|
1064 |
def GetSelectedSegmentConnections(self):
|
|
1065 |
if self.SelectedSegment != None and len(self.Points) > 1:
|
|
1066 |
return self.SelectedSegment == 0, self.SelectedSegment == len(self.Segments) - 1
|
|
1067 |
return (True, True)
|
|
1068 |
|
|
1069 |
# Returns the connectors on which the wire is connected
|
|
1070 |
def GetConnected(self):
|
|
1071 |
connected = []
|
|
1072 |
if self.StartConnected and self.StartPoint[1] == WEST:
|
|
1073 |
connected.append(self.StartConnected)
|
|
1074 |
if self.EndConnected and self.EndPoint[1] == WEST:
|
|
1075 |
connected.append(self.EndConnected)
|
|
1076 |
return connected
|
|
1077 |
|
|
1078 |
# Returns the id of the block connected to the first or the last wire point
|
|
1079 |
def GetConnectedId(self, index):
|
|
1080 |
if index == 0 and self.StartConnected:
|
|
1081 |
return self.StartConnected.GetBlockId()
|
|
1082 |
elif index == -1 and self.EndConnected:
|
|
1083 |
return self.EndConnected.GetBlockId()
|
|
1084 |
return None
|
|
1085 |
|
|
1086 |
# Update the wire points position by keeping at most possible the current positions
|
|
1087 |
def GeneratePoints(self, realpoints = True):
|
|
1088 |
i = 0
|
|
1089 |
# Calculate the start enad end points with the minimum segment size in the right direction
|
|
1090 |
end = wxPoint(self.EndPoint[0].x + self.EndPoint[1][0] * MIN_SEGMENT_SIZE,
|
|
1091 |
self.EndPoint[0].y + self.EndPoint[1][1] * MIN_SEGMENT_SIZE)
|
|
1092 |
start = wxPoint(self.StartPoint[0].x + self.StartPoint[1][0] * MIN_SEGMENT_SIZE,
|
|
1093 |
self.StartPoint[0].y + self.StartPoint[1][1] * MIN_SEGMENT_SIZE)
|
|
1094 |
# Evaluate the point till it's the last
|
|
1095 |
while i < len(self.Points) - 1:
|
|
1096 |
# The next point is the last
|
|
1097 |
if i + 1 == len(self.Points) - 1:
|
|
1098 |
# Calculate the direction from current point to end point
|
|
1099 |
v_end = vector(self.Points[i], end)
|
|
1100 |
# The current point is the first
|
|
1101 |
if i == 0:
|
|
1102 |
# If the end point is not in the start direction, a point is added
|
|
1103 |
if v_end != self.Segments[0] or v_end == self.EndPoint[1]:
|
|
1104 |
self.Points.insert(1, wxPoint(start.x, start.y))
|
|
1105 |
self.Segments.insert(1, DirectionChoice((self.Segments[0][1],
|
|
1106 |
self.Segments[0][0]), v_end, self.EndPoint[1]))
|
|
1107 |
# The current point is the second
|
|
1108 |
elif i == 1:
|
|
1109 |
# The previous direction and the target direction are mainly opposed, a point is added
|
|
1110 |
if product(v_end, self.Segments[0]) < 0:
|
|
1111 |
self.Points.insert(2, wxPoint(self.Points[1].x, self.Points[1].y))
|
|
1112 |
self.Segments.insert(2, DirectionChoice((self.Segments[1][1],
|
|
1113 |
self.Segments[1][0]), v_end, self.EndPoint[1]))
|
|
1114 |
# The previous direction and the end direction are the same or they are
|
|
1115 |
# perpendiculars and the end direction points towards current segment
|
|
1116 |
elif product(self.Segments[0], self.EndPoint[1]) >= 0 and product(self.Segments[1], self.EndPoint[1]) <= 0:
|
|
1117 |
# Current point and end point are aligned
|
|
1118 |
if self.Segments[0][0] != 0:
|
|
1119 |
self.Points[1].x = end.x
|
|
1120 |
if self.Segments[0][1] != 0:
|
|
1121 |
self.Points[1].y = end.y
|
|
1122 |
# If the previous direction and the end direction are the same, a point is added
|
|
1123 |
if product(self.Segments[0], self.EndPoint[1]) > 0:
|
|
1124 |
self.Points.insert(2, wxPoint(self.Points[1].x, self.Points[1].y))
|
|
1125 |
self.Segments.insert(2, DirectionChoice((self.Segments[1][1],
|
|
1126 |
self.Segments[1][0]), v_end, self.EndPoint[1]))
|
|
1127 |
else:
|
|
1128 |
# Current point is positioned in the middle of start point
|
|
1129 |
# and end point on the current direction and a point is added
|
|
1130 |
if self.Segments[0][0] != 0:
|
|
1131 |
self.Points[1].x = (end.x + start.x) / 2
|
|
1132 |
if self.Segments[0][1] != 0:
|
|
1133 |
self.Points[1].y = (end.y + start.y) / 2
|
|
1134 |
self.Points.insert(2, wxPoint(self.Points[1].x, self.Points[1].y))
|
|
1135 |
self.Segments.insert(2, DirectionChoice((self.Segments[1][1],
|
|
1136 |
self.Segments[1][0]), v_end, self.EndPoint[1]))
|
|
1137 |
else:
|
|
1138 |
# The previous direction and the end direction are perpendiculars
|
|
1139 |
if product(self.Segments[i - 1], self.EndPoint[1]) == 0:
|
|
1140 |
# The target direction and the end direction aren't mainly the same
|
|
1141 |
if product(v_end, self.EndPoint[1]) <= 0:
|
|
1142 |
# Current point and end point are aligned
|
|
1143 |
if self.Segments[i - 1][0] != 0:
|
|
1144 |
self.Points[i].x = end.x
|
|
1145 |
if self.Segments[i - 1][1] != 0:
|
|
1146 |
self.Points[i].y = end.y
|
|
1147 |
# Previous direction is updated from the new point
|
|
1148 |
if product(vector(self.Points[i - 1], self.Points[i]), self.Segments[i - 1]) < 0:
|
|
1149 |
self.Segments[i - 1] = (-self.Segments[i - 1][0], -self.Segments[i - 1][1])
|
|
1150 |
else:
|
|
1151 |
test = True
|
|
1152 |
# If the current point is the third, test if the second
|
|
1153 |
# point can be aligned with the end point
|
|
1154 |
if i == 2:
|
|
1155 |
test_point = wxPoint(self.Points[1].x, self.Points[1].y)
|
|
1156 |
if self.Segments[1][0] != 0:
|
|
1157 |
test_point.y = end.y
|
|
1158 |
if self.Segments[1][1] != 0:
|
|
1159 |
test_point.x = end.x
|
|
1160 |
test = norm(vector(self.Points[0], test_point, False)) > MIN_SEGMENT_SIZE
|
|
1161 |
# The previous point can be aligned
|
|
1162 |
if test:
|
|
1163 |
self.Points[i].x, self.Points[i].y = end.x, end.y
|
|
1164 |
if self.Segments[i - 1][0] != 0:
|
|
1165 |
self.Points[i - 1].y = end.y
|
|
1166 |
if self.Segments[i - 1][1] != 0:
|
|
1167 |
self.Points[i - 1].x = end.x
|
|
1168 |
self.Segments[i] = (-self.EndPoint[1][0], -self.EndPoint[1][1])
|
|
1169 |
else:
|
|
1170 |
# Current point is positioned in the middle of previous point
|
|
1171 |
# and end point on the current direction and a point is added
|
|
1172 |
if self.Segments[1][0] != 0:
|
|
1173 |
self.Points[2].x = (self.Points[1].x + end.x) / 2
|
|
1174 |
if self.Segments[1][1] != 0:
|
|
1175 |
self.Points[2].y = (self.Points[1].y + end.y) / 2
|
|
1176 |
self.Points.insert(3, wxPoint(self.Points[2].x, self.Points[2].y))
|
|
1177 |
self.Segments.insert(3, DirectionChoice((self.Segments[2][1],
|
|
1178 |
self.Segments[2][0]), v_end, self.EndPoint[1]))
|
|
1179 |
else:
|
|
1180 |
# Current point is aligned with end point
|
|
1181 |
if self.Segments[i - 1][0] != 0:
|
|
1182 |
self.Points[i].x = end.x
|
|
1183 |
if self.Segments[i - 1][1] != 0:
|
|
1184 |
self.Points[i].y = end.y
|
|
1185 |
# Previous direction is updated from the new point
|
|
1186 |
if product(vector(self.Points[i - 1], self.Points[i]), self.Segments[i - 1]) < 0:
|
|
1187 |
self.Segments[i - 1] = (-self.Segments[i - 1][0], -self.Segments[i - 1][1])
|
|
1188 |
# If previous direction and end direction are opposed
|
|
1189 |
if product(self.Segments[i - 1], self.EndPoint[1]) < 0:
|
|
1190 |
# Current point is positioned in the middle of previous point
|
|
1191 |
# and end point on the current direction
|
|
1192 |
if self.Segments[i - 1][0] != 0:
|
|
1193 |
self.Points[i].x = (end.x + self.Points[i - 1].x) / 2
|
|
1194 |
if self.Segments[i - 1][1] != 0:
|
|
1195 |
self.Points[i].y = (end.y + self.Points[i - 1].y) / 2
|
|
1196 |
# A point is added
|
|
1197 |
self.Points.insert(i + 1, wxPoint(self.Points[i].x, self.Points[i].y))
|
|
1198 |
self.Segments.insert(i + 1, DirectionChoice((self.Segments[i][1],
|
|
1199 |
self.Segments[i][0]), v_end, self.EndPoint[1]))
|
|
1200 |
else:
|
|
1201 |
# Current point is the first, and second is not mainly in the first direction
|
|
1202 |
if i == 0 and product(vector(start, self.Points[1]), self.Segments[0]) < 0:
|
|
1203 |
# If first and second directions aren't perpendiculars, a point is added
|
|
1204 |
if product(self.Segments[0], self.Segments[1]) != 0:
|
|
1205 |
self.Points.insert(1, wxPoint(start.x, start.y))
|
|
1206 |
self.Segments.insert(1, DirectionChoice((self.Segments[0][1],
|
|
1207 |
self.Segments[0][0]), vector(start, self.Points[1]), self.Segments[1]))
|
|
1208 |
else:
|
|
1209 |
self.Points[1].x, self.Points[1].y = start.x, start.y
|
|
1210 |
else:
|
|
1211 |
# Next point is aligned with current point
|
|
1212 |
if self.Segments[i][0] != 0:
|
|
1213 |
self.Points[i + 1].y = self.Points[i].y
|
|
1214 |
if self.Segments[i][1] != 0:
|
|
1215 |
self.Points[i + 1].x = self.Points[i].x
|
|
1216 |
# Current direction is updated from the new point
|
|
1217 |
if product(vector(self.Points[i], self.Points[i + 1]), self.Segments[i]) < 0:
|
|
1218 |
self.Segments[i] = (-self.Segments[i][0], -self.Segments[i][1])
|
|
1219 |
i += 1
|
|
1220 |
self.RefreshBoundingBox()
|
|
1221 |
if realpoints:
|
|
1222 |
self.RefreshRealPoints()
|
|
1223 |
|
|
1224 |
# Verify that two consecutive points haven't the same position
|
|
1225 |
def VerifyPoints(self):
|
|
1226 |
points = [point for point in self.Points]
|
|
1227 |
segments = [segment for segment in self.Segments]
|
|
1228 |
i = 1
|
|
1229 |
while i < len(points) - 1:
|
|
1230 |
if points[i] == points[i + 1] and segments[i - 1] == segments[i + 1]:
|
|
1231 |
for j in xrange(2):
|
|
1232 |
points.pop(i)
|
|
1233 |
segments.pop(i)
|
|
1234 |
else:
|
|
1235 |
i += 1
|
|
1236 |
# If the wire isn't in a Ladder Diagram, save the new point list
|
|
1237 |
if self.Parent.__class__.__name__ != "LD_Viewer":
|
|
1238 |
self.Points = [point for point in points]
|
|
1239 |
self.Segments = [segment for segment in segments]
|
|
1240 |
self.RefreshBoundingBox()
|
|
1241 |
self.RefreshRealPoints()
|
|
1242 |
return points
|
|
1243 |
|
|
1244 |
# Moves all the wire points except the first and the last if they are connected
|
|
1245 |
def Move(self, dx, dy, endpoints = False):
|
|
1246 |
for i, point in enumerate(self.Points):
|
|
1247 |
if endpoints or not (i == 0 and self.StartConnected) and not (i == len(self.Points) - 1 and self.EndConnected):
|
|
1248 |
point.x += dx
|
|
1249 |
point.y += dy
|
|
1250 |
self.StartPoint[0] = self.Points[0]
|
|
1251 |
self.EndPoint[0] = self.Points[-1]
|
|
1252 |
self.GeneratePoints()
|
|
1253 |
|
|
1254 |
# Resize the wire from position and size given
|
|
1255 |
def Resize(self, x, y, width, height):
|
|
1256 |
if len(self.Points) > 1:
|
|
1257 |
# Calculate the new position of each point for testing the new size
|
|
1258 |
minx, miny = self.Pos.x, self.Pos.y
|
|
1259 |
lastwidth, lastheight = self.Size.width, self.Size.height
|
|
1260 |
for i, point in enumerate(self.RealPoints):
|
|
1261 |
# If start or end point is connected, it's not calculate
|
|
1262 |
if not (i == 0 and self.StartConnected) and not (i == len(self.Points) - 1 and self.EndConnected):
|
|
1263 |
if i == 0:
|
|
1264 |
dir = self.StartPoint[1]
|
|
1265 |
elif i == len(self.Points) - 1:
|
|
1266 |
dir = self.EndPoint[1]
|
|
1267 |
else:
|
|
1268 |
dir = (0, 0)
|
|
1269 |
pointx = max(-dir[0] * MIN_SEGMENT_SIZE, min(int(round(point[0] * (width - 1) / float(lastwidth - 1))),
|
|
1270 |
width - dir[0] * MIN_SEGMENT_SIZE - 1))
|
|
1271 |
pointy = max(-dir[1] * MIN_SEGMENT_SIZE, min(int(round(point[1] * (height - 1) / float(lastheight - 1))),
|
|
1272 |
height - dir[1] * MIN_SEGMENT_SIZE - 1))
|
|
1273 |
self.Points[i] = wxPoint(minx + x + pointx, miny + y + pointy)
|
|
1274 |
self.StartPoint[0] = self.Points[0]
|
|
1275 |
self.EndPoint[0] = self.Points[-1]
|
|
1276 |
self.GeneratePoints(False)
|
|
1277 |
# Test if the wire position or size have changed
|
|
1278 |
if x != 0 and minx == self.Pos.x:
|
|
1279 |
x = 0
|
|
1280 |
width = lastwidth
|
|
1281 |
if y != 0 and miny == self.Pos.y:
|
|
1282 |
y = 0
|
|
1283 |
height = lastwidth
|
|
1284 |
if width != lastwidth and lastwidth == self.Size.width:
|
|
1285 |
width = lastwidth
|
|
1286 |
if height != lastheight and lastheight == self.Size.height:
|
|
1287 |
height = lastheight
|
|
1288 |
# Calculate the real points from the new size, it's important for
|
|
1289 |
# keeping a proportionality in the points position with the size
|
|
1290 |
# duringa resize dragging
|
|
1291 |
for i, point in enumerate(self.RealPoints):
|
|
1292 |
if not (i == 0 and self.StartConnected) and not (i == len(self.Points) - 1 and self.EndConnected):
|
|
1293 |
point[0] = point[0] * (width - 1) / float(lastwidth - 1)
|
|
1294 |
point[1] = point[1] * (height - 1) / float(lastheight - 1)
|
|
1295 |
# Calculate the correct position of the points from real points
|
|
1296 |
for i, point in enumerate(self.RealPoints):
|
|
1297 |
if not (i == 0 and self.StartConnected) and not (i == len(self.Points) - 1 and self.EndConnected):
|
|
1298 |
if i == 0:
|
|
1299 |
dir = self.StartPoint[1]
|
|
1300 |
elif i == len(self.Points) - 1:
|
|
1301 |
dir = self.EndPoint[1]
|
|
1302 |
else:
|
|
1303 |
dir = (0, 0)
|
|
1304 |
realpointx = max(-dir[0] * MIN_SEGMENT_SIZE, min(int(round(point[0])),
|
|
1305 |
width - dir[0] * MIN_SEGMENT_SIZE - 1))
|
|
1306 |
realpointy = max(-dir[1] * MIN_SEGMENT_SIZE, min(int(round(point[1])),
|
|
1307 |
height - dir[1] * MIN_SEGMENT_SIZE - 1))
|
|
1308 |
self.Points[i] = wxPoint(minx + x + realpointx, miny + y + realpointy)
|
|
1309 |
self.StartPoint[0] = self.Points[0]
|
|
1310 |
self.EndPoint[0] = self.Points[-1]
|
|
1311 |
self.GeneratePoints(False)
|
|
1312 |
|
|
1313 |
# Moves the wire start point and update the wire points
|
|
1314 |
def MoveStartPoint(self, point):
|
|
1315 |
if len(self.Points) > 1:
|
|
1316 |
self.StartPoint[0] = point
|
|
1317 |
self.Points[0] = point
|
|
1318 |
self.GeneratePoints()
|
|
1319 |
|
|
1320 |
# Changes the wire start direction and update the wire points
|
|
1321 |
def SetStartPointDirection(self, dir):
|
|
1322 |
if len(self.Points) > 1:
|
|
1323 |
self.StartPoint[1] = dir
|
|
1324 |
self.Segments[0] = dir
|
|
1325 |
self.GeneratePoints()
|
|
1326 |
|
|
1327 |
# Rotates the wire start direction by an angle of 90 degrees anticlockwise
|
|
1328 |
def RotateStartPoint(self):
|
|
1329 |
self.SetStartPointDirection((self.StartPoint[1][1], -self.StartPoint[1][0]))
|
|
1330 |
|
|
1331 |
# Connects wire start point to the connector given and moves wire start point
|
|
1332 |
# to given point
|
|
1333 |
def ConnectStartPoint(self, point, connector):
|
|
1334 |
if point:
|
|
1335 |
self.MoveStartPoint(point)
|
|
1336 |
self.StartConnected = connector
|
|
1337 |
|
|
1338 |
# Unconnects wire start point
|
|
1339 |
def UnConnectStartPoint(self):
|
|
1340 |
self.StartConnected.UnConnect(self, False)
|
|
1341 |
self.StartConnected = None
|
|
1342 |
|
|
1343 |
# Moves the wire end point and update the wire points
|
|
1344 |
def MoveEndPoint(self, point):
|
|
1345 |
if len(self.Points) > 1:
|
|
1346 |
self.EndPoint[0] = point
|
|
1347 |
self.Points[-1] = point
|
|
1348 |
self.GeneratePoints()
|
|
1349 |
|
|
1350 |
# Changes the wire end direction and update the wire points
|
|
1351 |
def SetEndPointDirection(self, dir):
|
|
1352 |
if len(self.Points) > 1:
|
|
1353 |
self.EndPoint[1] = dir
|
|
1354 |
self.GeneratePoints()
|
|
1355 |
|
|
1356 |
# Rotates the wire end direction by an angle of 90 degrees anticlockwise
|
|
1357 |
def RotateEndPoint(self):
|
|
1358 |
self.SetEndPointDirection((self.EndPoint[1][1], -self.EndPoint[1][0]))
|
|
1359 |
|
|
1360 |
# Connects wire end point to the connector given and moves wire end point
|
|
1361 |
# to given point
|
|
1362 |
def ConnectEndPoint(self, point, connector):
|
|
1363 |
if point:
|
|
1364 |
self.MoveEndPoint(point)
|
|
1365 |
self.EndConnected = connector
|
|
1366 |
|
|
1367 |
# Unconnects wire end point
|
|
1368 |
def UnConnectEndPoint(self):
|
|
1369 |
self.EndConnected.UnConnect(self, False)
|
|
1370 |
self.EndConnected = None
|
|
1371 |
|
|
1372 |
# Moves the wire segment given by its index
|
|
1373 |
def MoveSegment(self, idx, movex, movey):
|
|
1374 |
if 0 < idx < len(self.Segments) - 1:
|
|
1375 |
if self.Segments[idx] in (NORTH, SOUTH):
|
|
1376 |
self.Points[idx].x += movex
|
|
1377 |
self.Points[idx + 1].x += movex
|
|
1378 |
elif self.Segments[idx] in (EAST, WEST):
|
|
1379 |
self.Points[idx].y += movey
|
|
1380 |
self.Points[idx + 1].y += movey
|
|
1381 |
self.GeneratePoints()
|
|
1382 |
|
|
1383 |
# Adds two points in the middle of the handled segment
|
|
1384 |
def AddSegment(self):
|
|
1385 |
handle_type, handle = self.Handle
|
|
1386 |
if handle_type == HANDLE_SEGMENT:
|
|
1387 |
segment, dir = handle
|
|
1388 |
pointx = self.Points[segment].x
|
|
1389 |
pointy = self.Points[segment].y
|
|
1390 |
if dir[0] != 0:
|
|
1391 |
pointx = (self.Points[segment].x + self.Points[segment + 1].x) / 2
|
|
1392 |
if dir[1] != 0:
|
|
1393 |
pointy = (self.Points[segment].y + self.Points[segment + 1].y) / 2
|
|
1394 |
self.Points.insert(segment + 1, wxPoint(pointx, pointy))
|
|
1395 |
self.Segments.insert(segment + 1, (dir[1], dir[0]))
|
|
1396 |
self.Points.insert(segment + 2, wxPoint(pointx, pointy))
|
|
1397 |
self.Segments.insert(segment + 2, dir)
|
|
1398 |
self.GeneratePoints()
|
|
1399 |
|
|
1400 |
# Delete the handled segment by removing the two segment points
|
|
1401 |
def DeleteSegment(self):
|
|
1402 |
handle_type, handle = self.Handle
|
|
1403 |
if handle_type == HANDLE_SEGMENT:
|
|
1404 |
segment, dir = handle
|
|
1405 |
for i in xrange(2):
|
|
1406 |
self.Points.pop(segment)
|
|
1407 |
self.Segments.pop(segment)
|
|
1408 |
self.GeneratePoints()
|
|
1409 |
self.RefreshModel()
|
|
1410 |
|
|
1411 |
# Method called when a LeftDown event have been generated
|
|
1412 |
def OnLeftDown(self, event, scaling):
|
|
1413 |
pos = GetScaledEventPosition(event, scaling)
|
|
1414 |
# Test if a point have been handled
|
|
1415 |
result = self.TestPoint(pos)
|
|
1416 |
if result != None:
|
|
1417 |
self.Handle = (HANDLE_POINT, result)
|
|
1418 |
self.Parent.SetCursor(wxStockCursor(wxCURSOR_HAND))
|
|
1419 |
else:
|
|
1420 |
# Test if a segment have been handled
|
|
1421 |
result = self.TestSegment(pos)
|
|
1422 |
if result != None:
|
|
1423 |
if result[1] in (NORTH, SOUTH):
|
|
1424 |
self.Parent.SetCursor(wxStockCursor(wxCURSOR_SIZEWE))
|
|
1425 |
elif result[1] in (EAST, WEST):
|
|
1426 |
self.Parent.SetCursor(wxStockCursor(wxCURSOR_SIZENS))
|
|
1427 |
self.Handle = (HANDLE_SEGMENT, result)
|
|
1428 |
# Execute the default method for a graphic element
|
|
1429 |
else:
|
|
1430 |
Graphic_Element.OnLeftDown(self, event, scaling)
|
|
1431 |
self.oldPos = pos
|
|
1432 |
|
|
1433 |
# Method called when a RightUp event have been generated
|
|
1434 |
def OnRightUp(self, event, scaling):
|
|
1435 |
pos = GetScaledEventPosition(event, scaling)
|
|
1436 |
# Test if a segment has been handled
|
|
1437 |
result = self.TestSegment(pos)
|
|
1438 |
if result != None:
|
|
1439 |
self.Handle = (HANDLE_SEGMENT, result)
|
|
1440 |
# Popup the menu with special items for a wire
|
|
1441 |
self.Parent.PopupWireMenu()
|
|
1442 |
else:
|
|
1443 |
# Execute the default method for a graphic element
|
|
1444 |
Graphic_Element.OnRightUp(self, event, scaling)
|
|
1445 |
|
|
1446 |
# Method called when a LeftDClick event have been generated
|
|
1447 |
def OnLeftDClick(self, event, scaling):
|
|
1448 |
self.ResetPoints()
|
|
1449 |
self.GeneratePoints()
|
|
1450 |
|
|
1451 |
# Method called when a Motion event have been generated
|
|
1452 |
def OnMotion(self, event, scaling):
|
|
1453 |
pos = GetScaledEventPosition(event, scaling)
|
|
1454 |
if not event.Dragging():
|
|
1455 |
# Test if a segment has been handled
|
|
1456 |
result = self.TestSegment(pos)
|
|
1457 |
if result:
|
|
1458 |
if result[1] in (NORTH, SOUTH):
|
|
1459 |
wxCallAfter(self.Parent.SetCursor, wxStockCursor(wxCURSOR_SIZEWE))
|
|
1460 |
elif result[1] in (EAST, WEST):
|
|
1461 |
wxCallAfter(self.Parent.SetCursor, wxStockCursor(wxCURSOR_SIZENS))
|
|
1462 |
else:
|
|
1463 |
# Test if a point has been handled
|
|
1464 |
result = self.TestPoint(pos)
|
|
1465 |
if result != None:
|
|
1466 |
if result == 0 and self.StartConnected:
|
|
1467 |
self.OverStart = True
|
|
1468 |
elif result != 0 and self.EndConnected:
|
|
1469 |
self.OverEnd = True
|
|
1470 |
else:
|
|
1471 |
self.OverStart = False
|
|
1472 |
self.OverEnd = False
|
|
1473 |
# Execute the default method for a graphic element
|
|
1474 |
Graphic_Element.OnMotion(self, event, scaling)
|
|
1475 |
else:
|
|
1476 |
# Execute the default method for a graphic element
|
|
1477 |
Graphic_Element.OnMotion(self, event, scaling)
|
|
1478 |
|
|
1479 |
# Refreshes the wire state according to move defined and handle selected
|
|
1480 |
def ProcessDragging(self, movex, movey):
|
|
1481 |
handle_type, handle = self.Handle
|
|
1482 |
# A point has been handled
|
|
1483 |
if handle_type == HANDLE_POINT:
|
|
1484 |
# Try to connect point to a connector
|
|
1485 |
new_pos = wxPoint(self.Points[handle].x + movex, self.Points[handle].y + movey)
|
|
1486 |
connector = self.Parent.FindBlockConnector(new_pos)
|
|
1487 |
if connector:
|
|
1488 |
if handle == 0 and self.EndConnected != connector:
|
|
1489 |
connector.Connect((self, handle))
|
|
1490 |
self.SetStartPointDirection(connector.GetDirection())
|
|
1491 |
self.ConnectStartPoint(connector.GetPosition(), connector)
|
|
1492 |
self.Dragging = False
|
|
1493 |
elif handle != 0 and self.StartConnected != connector:
|
|
1494 |
connector.Connect((self, handle))
|
|
1495 |
self.SetEndPointDirection(connector.GetDirection())
|
|
1496 |
self.ConnectEndPoint(connector.GetPosition(), connector)
|
|
1497 |
self.Dragging = False
|
|
1498 |
elif handle == 0:
|
|
1499 |
self.MoveStartPoint(new_pos)
|
|
1500 |
else:
|
|
1501 |
self.MoveEndPoint(new_pos)
|
|
1502 |
# If there is no connector, move the point
|
|
1503 |
elif handle == 0:
|
|
1504 |
if self.StartConnected:
|
|
1505 |
self.UnConnectStartPoint()
|
|
1506 |
self.MoveStartPoint(new_pos)
|
|
1507 |
else:
|
|
1508 |
if self.EndConnected:
|
|
1509 |
self.UnConnectEndPoint()
|
|
1510 |
self.MoveEndPoint(new_pos)
|
|
1511 |
self.RefreshModel()
|
|
1512 |
# A segment has been handled, move a segment
|
|
1513 |
elif handle_type == HANDLE_SEGMENT:
|
|
1514 |
self.MoveSegment(handle[0], movex, movey)
|
|
1515 |
# Execute the default method for a graphic element
|
|
1516 |
else:
|
|
1517 |
Graphic_Element.ProcessDragging(self, movex, movey)
|
|
1518 |
|
|
1519 |
# Refreshes the wire model
|
|
1520 |
def RefreshModel(self, move=True):
|
|
1521 |
if self.StartConnected and self.StartPoint[1] in [WEST, NORTH]:
|
|
1522 |
self.StartConnected.RefreshParentBlock()
|
|
1523 |
if self.EndConnected and self.EndPoint[1] in [WEST, NORTH]:
|
|
1524 |
self.EndConnected.RefreshParentBlock()
|
|
1525 |
|
|
1526 |
# Draws the wire lines and points
|
|
1527 |
def Draw(self, dc):
|
|
1528 |
dc.SetPen(wxBLACK_PEN)
|
|
1529 |
dc.SetBrush(wxBLACK_BRUSH)
|
|
1530 |
# Draw the start and end points if they are not connected or the mouse is over them
|
|
1531 |
if len(self.Points) > 0 and (not self.StartConnected or self.OverStart):
|
|
1532 |
dc.DrawCircle(self.Points[0].x, self.Points[0].y, POINT_RADIUS)
|
|
1533 |
if len(self.Points) > 1 and (not self.EndConnected or self.OverEnd):
|
|
1534 |
dc.DrawCircle(self.Points[-1].x, self.Points[-1].y, POINT_RADIUS)
|
|
1535 |
# Draw the wire lines and the last point (it seems that DrawLines stop before the last point)
|
|
1536 |
dc.DrawLines(self.Points)
|
|
1537 |
dc.DrawPoint(self.Points[-1].x, self.Points[-1].y)
|
|
1538 |
# Draw the segment selected in red
|
|
1539 |
if self.SelectedSegment != None:
|
|
1540 |
dc.SetPen(wxRED_PEN)
|
|
1541 |
dc.DrawLine(self.Points[self.SelectedSegment].x, self.Points[self.SelectedSegment].y,
|
|
1542 |
self.Points[self.SelectedSegment + 1].x, self.Points[self.SelectedSegment + 1].y)
|
|
1543 |
if self.SelectedSegment == len(self.Segments) - 1:
|
|
1544 |
dc.DrawPoint(self.Points[-1].x, self.Points[-1].y)
|
|
1545 |
Graphic_Element.Draw(self, dc)
|
|
1546 |
|
|
1547 |
|
|
1548 |
#-------------------------------------------------------------------------------
|
|
1549 |
# Graphic comment element
|
|
1550 |
#-------------------------------------------------------------------------------
|
|
1551 |
|
|
1552 |
"""
|
|
1553 |
Class that implements a comment
|
|
1554 |
"""
|
|
1555 |
|
|
1556 |
class Comment(Graphic_Element):
|
|
1557 |
|
|
1558 |
# Create a new comment
|
|
1559 |
def __init__(self, parent, content, id = None):
|
|
1560 |
Graphic_Element.__init__(self, parent)
|
|
1561 |
self.Id = id
|
|
1562 |
self.Content = content
|
|
1563 |
self.Pos = wxPoint(0, 0)
|
|
1564 |
self.Size = wxSize(0, 0)
|
|
1565 |
|
|
1566 |
# Method for keeping compatibility with others
|
|
1567 |
def Clean(self):
|
|
1568 |
pass
|
|
1569 |
|
|
1570 |
# Delete this comment by calling the corresponding method
|
|
1571 |
def Delete(self):
|
|
1572 |
self.Parent.DeleteComment(self)
|
|
1573 |
|
|
1574 |
# Refresh the comment bounding box
|
|
1575 |
def RefreshBoundingBox(self):
|
|
1576 |
self.BoundingBox = wxRect(self.Pos.x, self.Pos.y, self.Size[0] + 1, self.Size[1] + 1)
|
|
1577 |
|
|
1578 |
# Changes the comment size
|
|
1579 |
def SetSize(self, width, height):
|
|
1580 |
self.Size.SetWidth(width)
|
|
1581 |
self.Size.SetHeight(height)
|
|
1582 |
self.RefreshBoundingBox()
|
|
1583 |
|
|
1584 |
# Returns the comment size
|
|
1585 |
def GetSize(self):
|
|
1586 |
return self.Size.GetWidth(), self.Size.GetHeight()
|
|
1587 |
|
|
1588 |
# Returns the comment minimum size
|
|
1589 |
def GetMinSize(self):
|
|
1590 |
dc = wxClientDC(self.Parent)
|
|
1591 |
min_width = 0
|
|
1592 |
min_height = 0
|
|
1593 |
# The comment minimum size is the maximum size of words in the content
|
|
1594 |
for line in self.Content.splitlines():
|
|
1595 |
for word in line.split(" "):
|
|
1596 |
wordwidth, wordheight = dc.GetTextExtent(word)
|
|
1597 |
min_width = max(min_width, wordwidth)
|
|
1598 |
min_height = max(min_height, wordheight)
|
|
1599 |
return min_width + 20, min_height + 20
|
|
1600 |
|
|
1601 |
# Changes the comment position
|
|
1602 |
def SetPosition(self, x, y):
|
|
1603 |
self.Pos.x = x
|
|
1604 |
self.Pos.y = y
|
|
1605 |
self.RefreshBoundingBox()
|
|
1606 |
|
|
1607 |
# Changes the comment content
|
|
1608 |
def SetContent(self, content):
|
|
1609 |
self.Content = content
|
|
1610 |
min_width, min_height = self.GetMinSize()
|
|
1611 |
self.Size[0] = max(self.Size[0], min_width)
|
|
1612 |
self.Size[1] = max(self.Size[1], min_height)
|
|
1613 |
self.RefreshBoundingBox()
|
|
1614 |
|
|
1615 |
# Returns the comment content
|
|
1616 |
def GetContent(self):
|
|
1617 |
return self.Content
|
|
1618 |
|
|
1619 |
# Returns the comment position
|
|
1620 |
def GetPosition(self):
|
|
1621 |
return self.Pos.x, self.Pos.y
|
|
1622 |
|
|
1623 |
# Moves the comment
|
|
1624 |
def Move(self, dx, dy, connected = True):
|
|
1625 |
self.Pos.x += dx
|
|
1626 |
self.Pos.y += dy
|
|
1627 |
self.RefreshBoundingBox()
|
|
1628 |
|
|
1629 |
# Resizes the comment with the position and the size given
|
|
1630 |
def Resize(self, x, y, width, height):
|
|
1631 |
self.Move(x, y)
|
|
1632 |
self.SetSize(width, height)
|
|
1633 |
|
|
1634 |
# Method called when a RightUp event have been generated
|
|
1635 |
def OnRightUp(self, event, scaling):
|
|
1636 |
# Popup the default menu
|
|
1637 |
self.Parent.PopupDefaultMenu()
|
|
1638 |
|
|
1639 |
# Refreshes the comment model
|
|
1640 |
def RefreshModel(self, move=True):
|
|
1641 |
self.Parent.RefreshCommentModel(self)
|
|
1642 |
|
|
1643 |
# Method called when a LeftDClick event have been generated
|
|
1644 |
def OnLeftDClick(self, event, scaling):
|
|
1645 |
# Edit the comment content
|
|
1646 |
self.Parent.EditCommentContent(self)
|
|
1647 |
|
|
1648 |
# Draws the comment and its content
|
|
1649 |
def Draw(self, dc):
|
|
1650 |
dc.SetPen(wxBLACK_PEN)
|
|
1651 |
dc.SetBrush(wxWHITE_BRUSH)
|
|
1652 |
# Draws the comment shape
|
|
1653 |
polygon = [wxPoint(self.Pos.x, self.Pos.y),
|
|
1654 |
wxPoint(self.Pos.x + self.Size[0] - 10, self.Pos.y),
|
|
1655 |
wxPoint(self.Pos.x + self.Size[0], self.Pos.y + 10),
|
|
1656 |
wxPoint(self.Pos.x + self.Size[0], self.Pos.y + self.Size[1] + 1),
|
|
1657 |
wxPoint(self.Pos.x, self.Pos.y + self.Size[1] + 1)]
|
|
1658 |
dc.DrawPolygon(polygon)
|
|
1659 |
lines = [wxPoint(self.Pos.x + self.Size[0] - 10, self.Pos.y),
|
|
1660 |
wxPoint(self.Pos.x + self.Size[0] - 10, self.Pos.y + 10),
|
|
1661 |
wxPoint(self.Pos.x + self.Size[0], self.Pos.y + 10)]
|
|
1662 |
dc.DrawLines(lines)
|
|
1663 |
# Draws the comment content
|
|
1664 |
y = self.Pos.y + 10
|
|
1665 |
for line in self.Content.splitlines():
|
|
1666 |
first = True
|
|
1667 |
words = line.split(" ")
|
|
1668 |
for i, word in enumerate(words):
|
|
1669 |
if first:
|
|
1670 |
test = word
|
|
1671 |
else:
|
|
1672 |
test = linetext + " " + word
|
|
1673 |
wordwidth, wordheight = dc.GetTextExtent(test)
|
|
1674 |
if y + wordheight > self.Pos.y + self.Size[1] - 10:
|
|
1675 |
break
|
|
1676 |
if wordwidth < self.Size[0] - 20 and i < len(words) - 1:
|
|
1677 |
linetext = test
|
|
1678 |
first = False
|
|
1679 |
else:
|
|
1680 |
if wordwidth < self.Size[0] - 20 and i == len(words) - 1:
|
|
1681 |
dc.DrawText(test, self.Pos.x + 10, y)
|
|
1682 |
else:
|
|
1683 |
dc.DrawText(linetext, self.Pos.x + 10, y)
|
|
1684 |
if i == len(words) - 1:
|
|
1685 |
y += wordheight + 5
|
|
1686 |
if y + wordheight > self.Pos.y + self.Size[1] - 10:
|
|
1687 |
break
|
|
1688 |
dc.DrawText(word, self.Pos.x + 10, y)
|
|
1689 |
else:
|
|
1690 |
linetext = word
|
|
1691 |
y += wordheight + 5
|
|
1692 |
if y + wordheight > self.Pos.y + self.Size[1] - 10:
|
|
1693 |
break
|
|
1694 |
Graphic_Element.Draw(self, dc)
|