FreeCAD

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# ***************************************************************************
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# *   (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net>                  *
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# *   (c) 2009, 2010 Ken Cline <cline@frii.com>                             *
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# *   (c) 2020 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de>           *
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# *                                                                         *
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# *   This file is part of the FreeCAD CAx development system.              *
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# *                                                                         *
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# *   This program is free software; you can redistribute it and/or modify  *
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# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
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# *   as published by the Free Software Foundation; either version 2 of     *
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# *   the License, or (at your option) any later version.                   *
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# *   for detail see the LICENCE text file.                                 *
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# *                                                                         *
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# *   FreeCAD 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         *
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# *   GNU Library General Public License for more details.                  *
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# *                                                                         *
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# *   You should have received a copy of the GNU Library General Public     *
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# *   License along with FreeCAD; if not, write to the Free Software        *
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# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
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# *   USA                                                                   *
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# *                                                                         *
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# ***************************************************************************
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"""Provides GUI tools to convert Draft objects to Sketches and back.
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Many Draft objects will be converted to a single non-constrained Sketch.
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However, a single sketch with disconnected traces will be converted
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into several individual Draft objects.
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"""
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## @package gui_draft2sketch
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# \ingroup draftguitools
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# \brief Provides GUI tools to convert Draft objects to Sketches and back.
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## \addtogroup draftguitools
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# @{
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from PySide.QtCore import QT_TRANSLATE_NOOP
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import FreeCADGui as Gui
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import Draft_rc
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import draftguitools.gui_base_original as gui_base_original
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import draftguitools.gui_tool_utils as gui_tool_utils
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from draftutils.messages import _msg
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from draftutils.translate import translate
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# The module is used to prevent complaints from code checkers (flake8)
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True if Draft_rc.__name__ else False
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class Draft2Sketch(gui_base_original.Modifier):
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    """Gui Command for the Draft2Sketch tool."""
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    def GetResources(self):
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        """Set icon, menu and tooltip."""
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        return {'Pixmap': 'Draft_Draft2Sketch',
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                'MenuText': QT_TRANSLATE_NOOP("Draft_Draft2Sketch", "Draft to sketch"),
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                'ToolTip': QT_TRANSLATE_NOOP("Draft_Draft2Sketch", "Convert bidirectionally between Draft objects and Sketches.\nMany Draft objects will be converted into a single non-constrained Sketch.\nHowever, a single sketch with disconnected traces will be converted into several individual Draft objects.")}
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    def Activated(self):
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        """Execute when the command is called."""
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        super().Activated(name="Convert Draft/Sketch")
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        if not self.ui:
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            return
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        if not Gui.Selection.getSelection():
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            self.ui.selectUi(on_close_call=self.finish)
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            _msg(translate("draft", "Select an object to convert."))
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            self.call = self.view.addEventCallback("SoEvent", gui_tool_utils.selectObject)
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        else:
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            self.proceed()
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    def proceed(self):
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        """Proceed with the command if one object was selected."""
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        if self.call is not None:
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            self.end_callbacks(self.call)
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        sel = Gui.Selection.getSelection()
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        allSketches = True
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        allDraft = True
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        Gui.addModule("Draft")
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        for obj in sel:
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            if obj.isDerivedFrom("Sketcher::SketchObject"):
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                allDraft = False
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            elif (obj.isDerivedFrom("Part::Part2DObjectPython")
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                  or obj.isDerivedFrom("Part::Feature")):
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                allSketches = False
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            else:
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                allDraft = False
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                allSketches = False
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        if not sel:
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            return
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        elif allDraft:
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            _cmd = "Draft.make_sketch"
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            _cmd += "("
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            _cmd += "FreeCADGui.Selection.getSelection(), "
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            _cmd += "autoconstraints=True"
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            _cmd += ")"
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            _cmd_list = ['sk = ' + _cmd,
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                         'FreeCAD.ActiveDocument.recompute()']
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            self.commit(translate("draft", "Convert to Sketch"),
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                        _cmd_list)
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        elif allSketches:
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            n = 0
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            _cmd_list = list()
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            for o in sel:
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                _cmd = "Draft.draftify"
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                _cmd += "("
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                _cmd += "FreeCAD.ActiveDocument." + o.Name + ", "
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                _cmd += "delete=False"
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                _cmd += ")"
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                _cmd_list.append("df" + str(n) + " = " + _cmd)
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                n += 1
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            _cmd_list.append('FreeCAD.ActiveDocument.recompute()')
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            self.commit(translate("draft", "Convert to Draft"),
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                        _cmd_list)
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        else:
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            _cmd_list = list()
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            n = 0
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            for obj in sel:
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                _cmd_df = "Draft.draftify"
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                _cmd_df += "("
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                _cmd_df += "FreeCAD.ActiveDocument." + obj.Name + ", "
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                _cmd_df += "delete=False"
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                _cmd_df += ")"
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                _cmd_sk = "Draft.make_sketch"
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                _cmd_sk += "("
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                _cmd_sk += "FreeCAD.ActiveDocument." + obj.Name + ", "
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                _cmd_sk += "autoconstraints=True"
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                _cmd_sk += ")"
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                if obj.isDerivedFrom("Sketcher::SketchObject"):
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                    _cmd_list.append("obj" + str(n) + " = " + _cmd_df)
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                elif (obj.isDerivedFrom("Part::Part2DObjectPython")
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                      or obj.isDerivedFrom("Part::Feature")):
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                    _cmd_list.append("obj" + str(n) + " = " + _cmd_sk)
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                #elif obj.isDerivedFrom("Part::Feature"):
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                #    # if (len(obj.Shape.Wires) == 1
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                #    #     or len(obj.Shape.Edges) == 1):
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                #    _cmd_list.append("obj" + str(n) + " = " + _cmd_sk)
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                n += 1
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            _cmd_list.append('FreeCAD.ActiveDocument.recompute()')
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            self.commit(translate("draft", "Convert Draft/Sketch"),
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                        _cmd_list)
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        self.finish()
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Gui.addCommand('Draft_Draft2Sketch', Draft2Sketch())
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## @}
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