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Draft: gui_trackers.py clean up imports and spaces

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Small spacing fixes like imports in separate lines
for more clarity, and the position of the license.
Also use the `ToDo` class with this new name
following Python guidelines.
This commit is contained in:
vocx-fc
2020-02-26 16:16:27 -06:00
committed by Yorik van Havre
parent 09cc7e0264
commit b9968d2aa3
1 changed files with 62 additions and 49 deletions
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111
src/Mod/Draft/draftguitools/gui_trackers.py
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@@ -1,44 +1,57 @@
#***************************************************************************
#* Copyright (c) 2011 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 *
#* *
#***************************************************************************
# ***************************************************************************
# * Copyright (c) 2011 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 *
# * *
# ***************************************************************************
"""Provide Coin based objects used for previews in the Draft Workbench.
__title__="FreeCAD Draft Trackers"
This module provides Coin (pivy) based objects
that are used by the Draft Workbench to draw temporary geometry,
that is, previews, of the real objects that will be created on the 3D view.
"""
## @package DraftTrackers
# \ingroup DRAFT
# \brief Provide Coin based objects used for previews in the Draft Workbench.
#
# This module provides Coin (pivy) based objects
# that are used by the Draft Workbench to draw temporary geometry,
# that is, previews, of the real objects that will be created on the 3D view.
import math
from pivy import coin
import FreeCAD
import FreeCADGui
import Draft
import DraftVecUtils
from FreeCAD import Vector
from draftutils.todo import ToDo
__title__ = "FreeCAD Draft Trackers"
__author__ = "Yorik van Havre"
__url__ = "https://www.freecadweb.org"
## @package DraftTrackers
# \ingroup DRAFT
# \brief Custom Pivy-based objects used by the Draft workbench
#
# This module contains a collection of Coin3D (pivy)-based objects
# that are used by the Draft workbench to draw temporary geometry
# on the 3D view
import FreeCAD,FreeCADGui,math,Draft, DraftVecUtils
from FreeCAD import Vector
from pivy import coin
class Tracker:
"""A generic Draft Tracker, to be used by other specific trackers"""
def __init__(self,dotted=False,scolor=None,swidth=None,children=[],ontop=False,name=None):
"""A generic Draft Tracker, to be used by other specific trackers."""
def __init__(self, dotted=False, scolor=None, swidth=None,
children=[], ontop=False, name=None):
global Part, DraftGeomUtils
import Part, DraftGeomUtils
self.ontop = ontop
@@ -50,37 +63,35 @@ class Tracker:
if dotted:
drawstyle.style = coin.SoDrawStyle.LINES
drawstyle.lineWeight = 3
drawstyle.linePattern = 0x0f0f #0xaa
drawstyle.linePattern = 0x0f0f # 0xaa
node = coin.SoSeparator()
for c in [drawstyle, color] + children:
node.addChild(c)
self.switch = coin.SoSwitch() # this is the on/off switch
self.switch = coin.SoSwitch() # this is the on/off switch
if name:
self.switch.setName(name)
self.switch.addChild(node)
self.switch.whichChild = -1
self.Visible = False
from DraftGui import todo
todo.delay(self._insertSwitch, self.switch)
ToDo.delay(self._insertSwitch, self.switch)
def finalize(self):
from DraftGui import todo
todo.delay(self._removeSwitch, self.switch)
ToDo.delay(self._removeSwitch, self.switch)
self.switch = None
def _insertSwitch(self, switch):
'''insert self.switch into the scene graph. Must not be called
from an event handler (or other scene graph traversal).'''
sg=Draft.get3DView().getSceneGraph()
sg = Draft.get3DView().getSceneGraph()
if self.ontop:
sg.insertChild(switch,0)
sg.insertChild(switch, 0)
else:
sg.addChild(switch)
def _removeSwitch(self, switch):
'''remove self.switch from the scene graph. As with _insertSwitch,
must not be called during scene graph traversal).'''
sg=Draft.get3DView().getSceneGraph()
sg = Draft.get3DView().getSceneGraph()
if sg.findChild(switch) >= 0:
sg.removeChild(switch)
@@ -96,7 +107,7 @@ class Tracker:
'''lowers the tracker to the bottom of the scenegraph, so
it doesn't obscure the other objects'''
if self.switch:
sg=Draft.get3DView().getSceneGraph()
sg = Draft.get3DView().getSceneGraph()
sg.removeChild(self.switch)
sg.addChild(self.switch)
@@ -104,12 +115,14 @@ class Tracker:
'''raises the tracker to the top of the scenegraph, so
it obscures the other objects'''
if self.switch:
sg=Draft.get3DView().getSceneGraph()
sg = Draft.get3DView().getSceneGraph()
sg.removeChild(self.switch)
sg.insertChild(self.switch,0)
sg.insertChild(self.switch, 0)
class snapTracker(Tracker):
"""A Snap Mark tracker, used by tools that support snapping"""
"""Define Snap Mark tracker, used by tools that support snapping."""
def __init__(self):
color = coin.SoBaseColor()
color.rgb = FreeCADGui.draftToolBar.getDefaultColor("snap")