Draft: split WorkingPlaneProxy from Draft.py

src/Mod/Draft/draftobjects/wpproxy.py

@@ -0,0 +1,75 @@
+# ***************************************************************************
+# *   Copyright (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net>        *
+# *   Copyright (c) 2009, 2010 Ken Cline <cline@frii.com>                   *
+# *   Copyright (c) 2020 FreeCAD Developers                                 *
+# *                                                                         *
+# *   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                                                                   *
+# *                                                                         *
+# ***************************************************************************
+"""This module provides the object code for Draft WorkingPlaneProxy.
+"""
+## @package wpproxy
+# \ingroup DRAFT
+# \brief This module provides the object code for Draft WorkingPlaneProxy.
+
+import FreeCAD as App
+
+from PySide.QtCore import QT_TRANSLATE_NOOP
+
+
+class WorkingPlaneProxy:
+    """The Draft working plane proxy object"""
+
+    def __init__(self,obj):
+        obj.Proxy = self
+
+        _tip = "The placement of this object"
+        obj.addProperty("App::PropertyPlacement", "Placement",
+                        "Base", QT_TRANSLATE_NOOP("App::Property", _tip))
+
+        obj.addProperty("Part::PropertyPartShape","Shape","Base","")
+
+        self.Type = "WorkingPlaneProxy"
+
+    def execute(self,obj):
+        import Part
+        l = 1
+        if obj.ViewObject:
+            if hasattr(obj.ViewObject,"DisplaySize"):
+                l = obj.ViewObject.DisplaySize.Value
+        p = Part.makePlane(l,
+                           l,
+                           App.Vector(l/2, -l/2, 0),
+                           App.Vector(0, 0, -1))
+        # make sure the normal direction is pointing outwards, you never know what OCC will decide...
+        if p.normalAt(0,0).getAngle(obj.Placement.Rotation.multVec(App.Vector(0,0,1))) > 1:
+            p.reverse()
+        p.Placement = obj.Placement
+        obj.Shape = p
+
+    def onChanged(self,obj,prop):
+        pass
+
+    def getNormal(self,obj):
+        return obj.Shape.Faces[0].normalAt(0,0)
+
+    def __getstate__(self):
+        return self.Type
+
+    def __setstate__(self,state):
+        if state:
+            self.Type = state