Draft: new command for Draft PolarArray

Added object, viewprovider, icon; gui command definition, task panel,
add command to InitGui; add callbacks, and delay system.

src/Mod/Draft/draftobjects/polararray.py

@@ -0,0 +1,42 @@
+"""This module provides the object code for Draft PolarArray.
+"""
+## @package polararray
+# \ingroup DRAFT
+# \brief This module provides the object code for Draft PolarArray.
+
+# ***************************************************************************
+# *   (c) 2019 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de>           *
+# *                                                                         *
+# *   This file is part of the FreeCAD CAx development system.              *
+# *                                                                         *
+# *   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.                                 *
+# *                                                                         *
+# *   FreeCAD 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 FreeCAD; if not, write to the Free Software        *
+# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+# *   USA                                                                   *
+# *                                                                         *
+# ***************************************************************************
+
+import FreeCAD as App
+import Draft
+
+
+def make_polar_array(obj,
+                     center=App.Vector(0, 0, 0), angle=180, number=4,
+                     use_link=False):
+    """Create a polar array from the given object.
+    """
+    obj = Draft.makeArray(obj,
+                          arg1=center, arg2=angle, arg3=number,
+                          useLink=use_link)
+    return obj