174 lines
7.2 KiB
Python
174 lines
7.2 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net> *
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# * Copyright (c) 2009, 2010 Ken Cline <cline@frii.com> *
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# * Copyright (c) 2019 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de> *
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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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# * This program 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 this program; 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 the viewprovider code for the Wire (polyline) object.
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This viewprovider is also used by simple lines, B-splines, bezier curves,
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and similar objects.
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"""
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## @package view_wire
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# \ingroup draftviewproviders
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# \brief Provides the viewprovider code for the Wire (polyline) object.
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## \addtogroup draftviewproviders
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# @{
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import pivy.coin as coin
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import PySide.QtCore as QtCore
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import PySide.QtGui as QtGui
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from PySide.QtCore import QT_TRANSLATE_NOOP
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import FreeCAD as App
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import FreeCADGui as Gui
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import DraftVecUtils
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import WorkingPlane
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from draftgeoutils import wires
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from draftutils import gui_utils
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from draftutils import params
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from draftutils import utils
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from draftutils.translate import translate
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from draftviewproviders.view_base import ViewProviderDraft
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class ViewProviderWire(ViewProviderDraft):
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"""A base View Provider for the Wire object."""
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def __init__(self, vobj):
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super(ViewProviderWire, self).__init__(vobj)
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self._set_properties(vobj)
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def _set_properties(self, vobj):
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"""Set the properties of objects if they don't exist."""
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super(ViewProviderWire, self)._set_properties(vobj)
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if not hasattr(vobj, "EndArrow"):
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_tip = "Displays a Dimension symbol at the end of the wire."
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vobj.addProperty("App::PropertyBool",
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"EndArrow",
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"Draft",
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QT_TRANSLATE_NOOP("App::Property", _tip))
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vobj.EndArrow = False
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if not hasattr(vobj, "ArrowSize"):
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_tip = "Arrow size"
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vobj.addProperty("App::PropertyLength",
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"ArrowSize",
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"Draft",
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QT_TRANSLATE_NOOP("App::Property", _tip))
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vobj.ArrowSize = params.get_param("arrowsize")
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if not hasattr(vobj, "ArrowType"):
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_tip = "Arrow type"
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vobj.addProperty("App::PropertyEnumeration",
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"ArrowType",
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"Draft",
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QT_TRANSLATE_NOOP("App::Property", _tip))
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vobj.ArrowType = utils.ARROW_TYPES
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vobj.ArrowType = utils.ARROW_TYPES[params.get_param("dimsymbol")]
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def attach(self, vobj):
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self.Object = vobj.Object
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col = coin.SoBaseColor()
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col.rgb.setValue(vobj.LineColor[0],vobj.LineColor[1],vobj.LineColor[2])
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self.coords = coin.SoTransform()
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self.pt = coin.SoSeparator()
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self.pt.addChild(col)
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self.pt.addChild(self.coords)
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self.symbol = gui_utils.dim_symbol()
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self.pt.addChild(self.symbol)
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super(ViewProviderWire, self).attach(vobj)
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self.onChanged(vobj,"EndArrow")
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def updateData(self, obj, prop):
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if prop == "Points":
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if obj.Points:
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p = obj.Points[-1]
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if hasattr(self,"coords"):
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self.coords.translation.setValue((p.x,p.y,p.z))
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if len(obj.Points) >= 2:
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v1 = obj.Points[-2].sub(obj.Points[-1])
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if not DraftVecUtils.isNull(v1):
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v1.normalize()
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_rot = coin.SbRotation()
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_rot.setValue(coin.SbVec3f(1, 0, 0), coin.SbVec3f(v1[0], v1[1], v1[2]))
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self.coords.rotation.setValue(_rot)
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return
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def onChanged(self, vobj, prop):
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if prop in ["EndArrow","ArrowSize","ArrowType","Visibility"]:
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rn = vobj.RootNode
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if hasattr(self,"pt") and hasattr(vobj,"EndArrow"):
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if vobj.EndArrow and vobj.Visibility:
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self.pt.removeChild(self.symbol)
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s = utils.ARROW_TYPES.index(vobj.ArrowType)
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self.symbol = gui_utils.dim_symbol(s)
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self.pt.addChild(self.symbol)
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self.updateData(vobj.Object,"Points")
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if hasattr(vobj,"ArrowSize"):
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s = vobj.ArrowSize
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else:
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s = params.get_param("arrowsize")
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self.coords.scaleFactor.setValue((s,s,s))
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rn.addChild(self.pt)
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else:
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if self.symbol:
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if self.pt.findChild(self.symbol) != -1:
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self.pt.removeChild(self.symbol)
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if rn.findChild(self.pt) != -1:
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rn.removeChild(self.pt)
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if prop in ["LineColor"]:
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if hasattr(self, "pt"):
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self.pt[0].rgb.setValue(vobj.LineColor[0],vobj.LineColor[1],vobj.LineColor[2])
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super(ViewProviderWire, self).onChanged(vobj, prop)
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return
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def claimChildren(self):
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if hasattr(self.Object,"Base"):
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return [self.Object.Base,self.Object.Tool]
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return []
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def flatten(self): # Only to be used for Draft_Wires.
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if not hasattr(self, "Object"):
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return
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wp = WorkingPlane.get_working_plane()
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flat_wire = wires.flattenWire(self.Object.Shape.Wires[0],
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origin=wp.position,
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normal=wp.axis)
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doc = App.ActiveDocument
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doc.openTransaction(translate("draft", "Flatten"))
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self.Object.Placement = App.Placement()
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self.Object.Points = [vert.Point for vert in flat_wire.Vertexes]
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self.Object.Closed = flat_wire.isClosed()
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doc.recompute()
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doc.commitTransaction()
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# Alias for compatibility with v0.18 and earlier
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_ViewProviderWire = ViewProviderWire
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## @}
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