FreeCAD/src/Mod/Path/PathScripts/PathHop.py
2016-02-12 14:22:04 -02:00

139 lines
5.3 KiB
Python

# -*- coding: utf-8 -*-
#***************************************************************************
#* *
#* Copyright (c) 2014 Yorik van Havre <yorik@uncreated.net> *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Lesser General Public License (LGPL) *
#* as published by the Free Software Foundation; either version 2 of *
#* the License, or (at your option) any later version. *
#* for detail see the LICENCE text file. *
#* *
#* This program is distributed in the hope that it will be useful, *
#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
#* GNU Library General Public License for more details. *
#* *
#* You should have received a copy of the GNU Library General Public *
#* License along with this program; if not, write to the Free Software *
#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
#* USA *
#* *
#***************************************************************************
import FreeCAD,FreeCADGui,Path,PathGui
from PySide import QtCore,QtGui
"""Path Hop object and FreeCAD command"""
# Qt tanslation handling
try:
_encoding = QtGui.QApplication.UnicodeUTF8
def translate(context, text, disambig=None):
return QtGui.QApplication.translate(context, text, disambig, _encoding)
except AttributeError:
def translate(context, text, disambig=None):
return QtGui.QApplication.translate(context, text, disambig)
class ObjectHop:
def __init__(self,obj):
obj.addProperty("App::PropertyLink","NextObject","Path",translate("PathHop","The object to be reached by this hop"))
obj.addProperty("App::PropertyDistance","HopHeight","Path",translate("PathHop","The Z height of the hop"))
obj.Proxy = self
def __getstate__(self):
return None
def __setstate__(self,state):
return None
def execute(self,obj):
nextpoint = FreeCAD.Vector()
if obj.NextObject:
if obj.NextObject.isDerivedFrom("Path::Feature"):
# look for the first position of the next path
for c in obj.NextObject.Path.Commands:
if c.Name in ["G0","G00","G1","G01","G2","G02","G3","G03"]:
nextpoint = c.Placement.Base
break
# absolute coords, millimeters, cancel offsets
output = "G90\nG21\nG40\n"
# go up to the given height
output += "G0 Z" + str(obj.HopHeight.Value) + "\n"
# go horizontally to the position of nextpoint
output += "G0 X" + str(nextpoint.x) + " Y" + str(nextpoint.y) + "\n"
#print output
path = Path.Path(output)
obj.Path = path
class ViewProviderPathHop:
def __init__(self,vobj):
vobj.Proxy = self
def attach(self,vobj):
self.Object = vobj.Object
return
def getIcon(self):
return ":/icons/Path-Hop.svg"
def __getstate__(self):
return None
def __setstate__(self,state):
return None
class CommandPathHop:
def GetResources(self):
return {'Pixmap' : 'Path-Hop',
'MenuText': QtCore.QT_TRANSLATE_NOOP("Path_Hop","Hop"),
'Accel': "P, H",
'ToolTip': QtCore.QT_TRANSLATE_NOOP("Path_Hop","Creates a Path Hop object")}
def IsActive(self):
return not FreeCAD.ActiveDocument is None
def Activated(self):
# check that the selection contains exactly what we want
selection = FreeCADGui.Selection.getSelection()
if len(selection) != 1:
FreeCAD.Console.PrintError(translate("Path_Hop","Please select one path object\n"))
return
if not selection[0].isDerivedFrom("Path::Feature"):
FreeCAD.Console.PrintError(translate("Path_Hop","The selected object is not a path\n"))
return
FreeCAD.ActiveDocument.openTransaction(translate("Path_Hop","Create Hop"))
FreeCADGui.addModule("PathScripts.PathHop")
FreeCADGui.addModule("PathScripts.PathUtils")
FreeCADGui.doCommand('obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython","Hop")')
FreeCADGui.doCommand('PathScripts.PathHop.ObjectHop(obj)')
FreeCADGui.doCommand('PathScripts.PathHop.ViewProviderPathHop(obj.ViewObject)')
FreeCADGui.doCommand('obj.NextObject = FreeCAD.ActiveDocument.' + selection[0].Name)
FreeCADGui.doCommand('PathScripts.PathUtils.addToProject(obj)')
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
if FreeCAD.GuiUp:
# register the FreeCAD command
FreeCADGui.addCommand('Path_Hop',CommandPathHop())
FreeCAD.Console.PrintLog("Loading PathHop... done\n")