555 lines
24 KiB
Python
555 lines
24 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2019 Yorik van Havre <yorik@uncreated.net> *
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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 GUI tools to set up the working plane and its grid."""
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## @package gui_selectplane
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# \ingroup draftguitools
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# \brief Provides GUI tools to set up the working plane and its grid.
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## \addtogroup draftguitools
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# @{
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import math
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import pivy.coin as coin
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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
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import FreeCADGui
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import Draft
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import Draft_rc
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import DraftVecUtils
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import drafttaskpanels.task_selectplane as task_selectplane
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from draftutils.todo import todo
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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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__title__ = "FreeCAD Draft Workbench GUI Tools - Working plane-related tools"
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__author__ = ("Yorik van Havre, Werner Mayer, Martin Burbaum, Ken Cline, "
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"Dmitry Chigrin")
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__url__ = "https://www.freecadweb.org"
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class Draft_SelectPlane:
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"""The Draft_SelectPlane FreeCAD command definition."""
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def __init__(self):
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self.ac = "FreeCAD.DraftWorkingPlane.alignToPointAndAxis"
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self.param = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Draft")
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self.states = []
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def GetResources(self):
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"""Set icon, menu and tooltip."""
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d = {'Pixmap': 'Draft_SelectPlane',
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'Accel': "W, P",
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'MenuText': QT_TRANSLATE_NOOP("Draft_SelectPlane", "Select Plane"),
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'ToolTip': QT_TRANSLATE_NOOP("Draft_SelectPlane", "Select the face of solid body to create a working plane on which to sketch Draft objects.\nYou may also select a three vertices or a Working Plane Proxy.")}
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return d
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def IsActive(self):
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"""Return True when this command should be available."""
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if FreeCADGui.ActiveDocument:
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return True
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else:
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return False
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def Activated(self):
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"""Execute when the command is called."""
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# finish active Draft command if any
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if FreeCAD.activeDraftCommand is not None:
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FreeCAD.activeDraftCommand.finish()
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# Reset variables
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self.view = Draft.get3DView()
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self.wpButton = FreeCADGui.draftToolBar.wplabel
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FreeCAD.DraftWorkingPlane.setup()
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# Write current WP if states are empty
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if not self.states:
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p = FreeCAD.DraftWorkingPlane
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self.states.append([p.u, p.v, p.axis, p.position])
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# Create task panel
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FreeCADGui.Control.closeDialog()
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self.taskd = task_selectplane.SelectPlaneTaskPanel()
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self.taskd.reject = self.reject
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# Fill values
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self.taskd.form.checkCenter.setChecked(self.param.GetBool("CenterPlaneOnView", False))
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try:
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q = FreeCAD.Units.Quantity(self.param.GetString("gridSpacing", "1 mm"))
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except ValueError:
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q = FreeCAD.Units.Quantity("1 mm")
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self.taskd.form.fieldGridSpacing.setText(q.UserString)
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self.taskd.form.fieldGridMainLine.setValue(self.param.GetInt("gridEvery", 10))
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self.taskd.form.fieldGridExtension.setValue(self.param.GetInt("gridSize", 100))
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self.taskd.form.fieldSnapRadius.setValue(self.param.GetInt("snapRange", 8))
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# Set icons
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self.taskd.form.setWindowIcon(QtGui.QIcon(":/icons/Draft_SelectPlane.svg"))
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self.taskd.form.buttonTop.setIcon(QtGui.QIcon(":/icons/view-top.svg"))
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self.taskd.form.buttonFront.setIcon(QtGui.QIcon(":/icons/view-front.svg"))
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self.taskd.form.buttonSide.setIcon(QtGui.QIcon(":/icons/view-right.svg"))
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self.taskd.form.buttonAlign.setIcon(QtGui.QIcon(":/icons/view-isometric.svg"))
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self.taskd.form.buttonAuto.setIcon(QtGui.QIcon(":/icons/view-axonometric.svg"))
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self.taskd.form.buttonMove.setIcon(QtGui.QIcon(":/icons/Draft_Move.svg"))
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self.taskd.form.buttonCenter.setIcon(QtGui.QIcon(":/icons/view-fullscreen.svg"))
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self.taskd.form.buttonPrevious.setIcon(QtGui.QIcon(":/icons/edit-undo.svg"))
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# Connect slots
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self.taskd.form.buttonTop.clicked.connect(self.onClickTop)
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self.taskd.form.buttonFront.clicked.connect(self.onClickFront)
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self.taskd.form.buttonSide.clicked.connect(self.onClickSide)
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self.taskd.form.buttonAlign.clicked.connect(self.onClickAlign)
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self.taskd.form.buttonAuto.clicked.connect(self.onClickAuto)
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self.taskd.form.buttonMove.clicked.connect(self.onClickMove)
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self.taskd.form.buttonCenter.clicked.connect(self.onClickCenter)
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self.taskd.form.buttonPrevious.clicked.connect(self.onClickPrevious)
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self.taskd.form.fieldGridSpacing.textEdited.connect(self.onSetGridSize)
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self.taskd.form.fieldGridMainLine.valueChanged.connect(self.onSetMainline)
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self.taskd.form.fieldGridExtension.valueChanged.connect(self.onSetExtension)
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self.taskd.form.fieldSnapRadius.valueChanged.connect(self.onSetSnapRadius)
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# save previous WP to ensure back to the last used when restored
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FreeCAD.DraftWorkingPlane.save()
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# Try to find a WP from the current selection
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if FreeCADGui.Selection.getSelectionEx(FreeCAD.ActiveDocument.Name):
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if self.handle():
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pass
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# Try another method
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elif FreeCAD.DraftWorkingPlane.alignToSelection():
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FreeCADGui.Selection.clearSelection()
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self.display(FreeCAD.DraftWorkingPlane.axis)
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return None
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# Execute the actual task panel delayed to catch possible active Draft command
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todo.delay(FreeCADGui.Control.showDialog, self.taskd)
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_msg(translate(
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"draft",
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"Pick a face, 3 vertices or a WP Proxy to define the drawing plane"))
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self.call = self.view.addEventCallback("SoEvent", self.action)
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def finish(self):
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"""Execute when the command is terminated."""
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# Store values
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self.param.SetBool("CenterPlaneOnView",
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self.taskd.form.checkCenter.isChecked())
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# Terminate coin callbacks
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if self.call:
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try:
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self.view.removeEventCallback("SoEvent", self.call)
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except RuntimeError:
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# The view has been deleted already
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pass
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self.call = None
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# Reset everything else
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FreeCADGui.Control.closeDialog()
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FreeCADGui.ActiveDocument.resetEdit()
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return True
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def reject(self):
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"""Execute when clicking the Cancel button."""
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self.finish()
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return True
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def action(self, arg):
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"""Set the callbacks for the view."""
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if arg["Type"] == "SoKeyboardEvent" and arg["Key"] == "ESCAPE":
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self.finish()
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if arg["Type"] == "SoMouseButtonEvent":
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if (arg["State"] == "DOWN") and (arg["Button"] == "BUTTON1"):
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# Coin detection happens before the selection
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# got a chance of being updated, so we must delay
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todo.delay(self.checkSelection, None)
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def checkSelection(self):
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"""Check the selection, if there is a handle, finish the command."""
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if self.handle():
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self.finish()
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def handle(self):
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"""Build a working plane. Return True if successful."""
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sel = FreeCADGui.Selection.getSelectionEx()
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if len(sel) == 1:
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sel = sel[0]
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if hasattr(sel.Object, 'TypeId') and (sel.Object.TypeId == 'App::Part' or sel.Object.TypeId == 'PartDesign::Plane'):
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self.setPlaneFromObjPlacement(sel.Object)
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return True
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elif Draft.getType(sel.Object) == "Axis":
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FreeCAD.DraftWorkingPlane.alignToEdges(sel.Object.Shape.Edges)
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self.display(FreeCAD.DraftWorkingPlane.axis)
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return True
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elif Draft.getType(sel.Object) in ("WorkingPlaneProxy", "BuildingPart"):
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self.setPlaneOnWPProxy(sel.Object)
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return True
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elif Draft.getType(sel.Object) == "SectionPlane":
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self.setPlaneFromObjPlacement(sel.Object)
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return True
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elif sel.HasSubObjects:
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if len(sel.SubElementNames) == 1:
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# look for a face or a plane
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if "Face" in sel.SubElementNames[0]:
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FreeCAD.DraftWorkingPlane.alignToFace(sel.SubObjects[0],
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self.getOffset(),
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sel.Object.getParentGeoFeatureGroup())
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self.display(FreeCAD.DraftWorkingPlane.axis)
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return True
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elif sel.SubElementNames[0] == "Plane":
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FreeCAD.DraftWorkingPlane.setFromPlacement(sel.Object.Placement, rebase=True)
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self.display(FreeCAD.DraftWorkingPlane.axis)
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return True
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elif len(sel.SubElementNames) == 3:
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# look for 3 points
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if ("Vertex" in sel.SubElementNames[0]) \
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and ("Vertex" in sel.SubElementNames[1]) \
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and ("Vertex" in sel.SubElementNames[2]):
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FreeCAD.DraftWorkingPlane.alignTo3Points(sel.SubObjects[0].Point,
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sel.SubObjects[1].Point,
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sel.SubObjects[2].Point,
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self.getOffset())
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self.display(FreeCAD.DraftWorkingPlane.axis)
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return True
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elif sel.Object.isDerivedFrom("Part::Feature"):
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if sel.Object.Shape:
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if len(sel.Object.Shape.Faces) == 1:
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FreeCAD.DraftWorkingPlane.alignToFace(sel.Object.Shape.Faces[0], self.getOffset())
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self.display(FreeCAD.DraftWorkingPlane.axis)
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return True
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elif hasattr(sel.Object, 'Placement'):
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self.setPlaneFromObjPlacement(sel.Object)
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return True
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elif sel:
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# look for 3 points
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subs = []
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import Part
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for s in sel:
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for so in s.SubObjects:
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if isinstance(so, Part.Vertex):
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subs.append(so)
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if len(subs) == 3:
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FreeCAD.DraftWorkingPlane.alignTo3Points(subs[0].Point,
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subs[1].Point,
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subs[2].Point,
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self.getOffset())
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self.display(FreeCAD.DraftWorkingPlane.axis)
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return True
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return False
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def setPlaneFromObjPlacement(self, obj):
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"""Called by handle(): set the working plane according to an object placement."""
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if hasattr(obj, 'getGlobalPlacement'):
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pl = obj.getGlobalPlacement()
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else:
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pl = obj.Placement
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FreeCAD.DraftWorkingPlane.setFromPlacement(pl, rebase=True)
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FreeCAD.DraftWorkingPlane.weak = False
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self.display(FreeCAD.DraftWorkingPlane.axis,obj.ViewObject.Icon)
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self.wpButton.setText(obj.Label)
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self.wpButton.setToolTip(translate("draft", "Current working plane")+": " + self.wpButton.text())
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m = translate("draft", "Working plane aligned to global placement of")
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_msg(m + " " + obj.Label + ".\n")
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return True
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def setPlaneOnWPProxy(self, obj):
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"""Called by handle(): set the working plane according to a WorkingPlaneProxy or a BuildingPart.
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This method also apply the clipping view according to object properties.
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"""
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FreeCAD.DraftWorkingPlane.setFromPlacement(obj.Placement, rebase=True)
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FreeCAD.DraftWorkingPlane.weak = False
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if hasattr(obj.ViewObject, "AutoWorkingPlane"):
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if obj.ViewObject.AutoWorkingPlane:
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FreeCAD.DraftWorkingPlane.weak = True
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if hasattr(obj.ViewObject, "CutView") and hasattr(obj.ViewObject, "AutoCutView"):
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if obj.ViewObject.AutoCutView:
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obj.ViewObject.CutView = True
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if hasattr(obj.ViewObject, "RestoreView"):
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if obj.ViewObject.RestoreView:
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if hasattr(obj.ViewObject, "ViewData"):
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if len(obj.ViewObject.ViewData) >= 12:
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d = obj.ViewObject.ViewData
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camtype = "orthographic"
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if len(obj.ViewObject.ViewData) == 13:
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if d[12] == 1:
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camtype = "perspective"
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c = FreeCADGui.ActiveDocument.ActiveView.getCameraNode()
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if isinstance(c, coin.SoOrthographicCamera):
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if camtype == "perspective":
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FreeCADGui.ActiveDocument.ActiveView.setCameraType("Perspective")
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elif isinstance(c, coin.SoPerspectiveCamera):
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if camtype == "orthographic":
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FreeCADGui.ActiveDocument.ActiveView.setCameraType("Orthographic")
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c = FreeCADGui.ActiveDocument.ActiveView.getCameraNode()
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c.position.setValue([d[0], d[1], d[2]])
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c.orientation.setValue([d[3], d[4], d[5], d[6]])
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c.nearDistance.setValue(d[7])
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c.farDistance.setValue(d[8])
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c.aspectRatio.setValue(d[9])
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c.focalDistance.setValue(d[10])
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if camtype == "orthographic":
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c.height.setValue(d[11])
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else:
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c.heightAngle.setValue(d[11])
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if hasattr(obj.ViewObject, "RestoreState"):
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if obj.ViewObject.RestoreState:
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if hasattr(obj.ViewObject, "VisibilityMap"):
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if obj.ViewObject.VisibilityMap:
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for k,v in obj.ViewObject.VisibilityMap.items():
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o = FreeCADGui.ActiveDocument.getObject(k)
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if o:
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if o.Visibility != (v == "True"):
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FreeCADGui.doCommand("FreeCADGui.ActiveDocument.getObject(\""+k+"\").Visibility = "+v)
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self.display(FreeCAD.DraftWorkingPlane.axis,obj.ViewObject.Icon)
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self.wpButton.setText(obj.Label)
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self.wpButton.setToolTip(translate("draft", "Current working plane")+": "+self.wpButton.text())
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def getCenterPoint(self, x, y, z):
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"""Get the center point."""
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if not self.taskd.form.checkCenter.isChecked():
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return FreeCAD.Vector()
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v = FreeCAD.Vector(x, y, z)
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view = FreeCADGui.ActiveDocument.ActiveView
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camera = view.getCameraNode()
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cam1 = FreeCAD.Vector(camera.position.getValue().getValue())
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cam2 = FreeCADGui.ActiveDocument.ActiveView.getViewDirection()
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vcam1 = DraftVecUtils.project(cam1, v)
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a = vcam1.getAngle(cam2)
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if a < 0.0001:
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return FreeCAD.Vector()
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d = vcam1.Length
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L = d/math.cos(a)
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vcam2 = DraftVecUtils.scaleTo(cam2, L)
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cp = cam1.add(vcam2)
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return cp
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def tostr(self, v):
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"""Make a string from a vector or tuple."""
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string = "FreeCAD.Vector("
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string += str(v[0]) + ", "
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string += str(v[1]) + ", "
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string += str(v[2]) + ")"
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return string
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def getOffset(self):
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"""Return the offset value as a float in mm."""
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try:
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o = float(self.taskd.form.fieldOffset.text())
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except Exception:
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o = FreeCAD.Units.Quantity(self.taskd.form.fieldOffset.text())
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o = o.Value
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return o
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def onClickTop(self):
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"""Execute when pressing the top button."""
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_cmd = self.ac
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_cmd += "("
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_cmd += self.tostr(self.getCenterPoint(0, 0, 1)) + ", "
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_cmd += self.tostr((0, 0, 1)) + ", "
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_cmd += str(self.getOffset())
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_cmd += ")"
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FreeCADGui.doCommandGui(_cmd)
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self.display(translate("draft",'Top'),QtGui.QIcon(":/icons/view-top.svg"))
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self.finish()
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def onClickFront(self):
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"""Execute when pressing the front button."""
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_cmd = self.ac
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_cmd += "("
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_cmd += self.tostr(self.getCenterPoint(0, -1, 0)) + ", "
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_cmd += self.tostr((0, -1, 0)) + ", "
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_cmd += str(self.getOffset())
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_cmd += ")"
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FreeCADGui.doCommandGui(_cmd)
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self.display(translate("draft",'Front'),QtGui.QIcon(":/icons/view-front.svg"))
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self.finish()
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def onClickSide(self):
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"""Execute when pressing the side button."""
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_cmd = self.ac
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_cmd += "("
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_cmd += self.tostr(self.getCenterPoint(1, 0, 0)) + ", "
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_cmd += self.tostr((1, 0, 0)) + ", "
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_cmd += str(self.getOffset())
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_cmd += ")"
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FreeCADGui.doCommandGui(_cmd)
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self.display(translate("draft",'Side'),QtGui.QIcon(":/icons/view-right.svg"))
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self.finish()
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def onClickAlign(self):
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"""Execute when pressing the align."""
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dir = self.view.getViewDirection().negative()
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camera = self.view.getCameraNode()
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rot = camera.getField("orientation").getValue()
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coin_up = coin.SbVec3f(0, 1, 0)
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upvec = FreeCAD.Vector(rot.multVec(coin_up).getValue())
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_cmd = self.ac
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_cmd += "("
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_cmd += self.tostr(self.getCenterPoint(dir.x, dir.y, dir.z)) + ", "
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_cmd += self.tostr((dir.x, dir.y, dir.z)) + ", "
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_cmd += str(self.getOffset()) + ", "
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_cmd += self.tostr(upvec)
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_cmd += ")"
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FreeCADGui.doCommandGui(_cmd)
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self.display(dir)
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self.finish()
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def onClickAuto(self):
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"""Execute when pressing the auto button."""
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FreeCADGui.doCommandGui("FreeCAD.DraftWorkingPlane.reset()")
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self.display('Auto')
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self.finish()
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def onClickMove(self):
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"""Execute when pressing the move button."""
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sel = FreeCADGui.Selection.getSelectionEx()
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if sel:
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verts = []
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import Part
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for s in sel:
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for so in s.SubObjects:
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if isinstance(so, Part.Vertex):
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verts.append(so)
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if len(verts) == 1:
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target = verts[0].Point
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FreeCAD.DraftWorkingPlane.position = target
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self.display(target)
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self.finish()
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else:
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# move the WP to the center of the current view
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c = FreeCADGui.ActiveDocument.ActiveView.getCameraNode()
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p = FreeCAD.Vector(c.position.getValue().getValue())
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d = FreeCADGui.ActiveDocument.ActiveView.getViewDirection()
|
|
pp = FreeCAD.DraftWorkingPlane.projectPoint(p, d)
|
|
FreeCAD.DraftWorkingPlane.position = pp
|
|
self.display(pp)
|
|
self.finish()
|
|
|
|
def onClickCenter(self):
|
|
"""Execute when pressing the center button."""
|
|
c = FreeCADGui.ActiveDocument.ActiveView.getCameraNode()
|
|
r = FreeCAD.DraftWorkingPlane.getRotation().Rotation.Q
|
|
c.orientation.setValue(r)
|
|
# calculate delta
|
|
p = FreeCAD.Vector(c.position.getValue().getValue())
|
|
pp = FreeCAD.DraftWorkingPlane.projectPoint(p)
|
|
delta = pp.negative() # to bring it above the (0,0) point
|
|
np = p.add(delta)
|
|
c.position.setValue(tuple(np))
|
|
self.finish()
|
|
|
|
def onClickPrevious(self):
|
|
"""Execute when pressing the previous button."""
|
|
p = FreeCAD.DraftWorkingPlane
|
|
if len(self.states) > 1:
|
|
self.states.pop() # discard the last one
|
|
s = self.states[-1]
|
|
p.u = s[0]
|
|
p.v = s[1]
|
|
p.axis = s[2]
|
|
p.position = s[3]
|
|
FreeCADGui.Snapper.setGrid()
|
|
self.finish()
|
|
|
|
def onSetGridSize(self, text):
|
|
"""Execute when setting the grid size."""
|
|
try:
|
|
q = FreeCAD.Units.Quantity(text)
|
|
except Exception:
|
|
pass
|
|
else:
|
|
self.param.SetString("gridSpacing", q.UserString)
|
|
if hasattr(FreeCADGui, "Snapper"):
|
|
FreeCADGui.Snapper.setGrid()
|
|
|
|
def onSetMainline(self, i):
|
|
"""Execute when setting main line grid spacing."""
|
|
if i > 1:
|
|
self.param.SetInt("gridEvery", i)
|
|
if hasattr(FreeCADGui, "Snapper"):
|
|
FreeCADGui.Snapper.setGrid()
|
|
|
|
def onSetExtension(self, i):
|
|
"""Execute when setting grid extension."""
|
|
if i > 1:
|
|
self.param.SetInt("gridSize", i)
|
|
if hasattr(FreeCADGui, "Snapper"):
|
|
FreeCADGui.Snapper.setGrid()
|
|
|
|
def onSetSnapRadius(self, i):
|
|
"""Execute when setting the snap radius."""
|
|
self.param.SetInt("snapRange", i)
|
|
if hasattr(FreeCADGui, "Snapper"):
|
|
FreeCADGui.Snapper.showradius()
|
|
|
|
def display(self, arg, icon=None):
|
|
"""Set the text and icon of the working plane button in the toolbar."""
|
|
o = self.getOffset()
|
|
if o:
|
|
if o > 0:
|
|
suffix = ' +O'
|
|
else:
|
|
suffix = ' -O'
|
|
else:
|
|
suffix = ''
|
|
_vdir = FreeCAD.DraftWorkingPlane.axis
|
|
vdir = '('
|
|
vdir += str(_vdir.x)[:4] + ','
|
|
vdir += str(_vdir.y)[:4] + ','
|
|
vdir += str(_vdir.z)[:4]
|
|
vdir += ')'
|
|
vdir = " " + translate("draft", "Dir") + ": " + vdir
|
|
if type(arg).__name__ == 'str':
|
|
self.wpButton.setText(arg + suffix)
|
|
if o != 0:
|
|
o = " " + translate("draft", "Offset") + ": " + str(o)
|
|
else:
|
|
o = ""
|
|
_tool = translate("draft", "Current working plane") + ": "
|
|
_tool += self.wpButton.text() + o + vdir
|
|
self.wpButton.setToolTip(_tool)
|
|
elif type(arg).__name__ == 'Vector':
|
|
plv = '('
|
|
plv += str(arg.x)[:6] + ','
|
|
plv += str(arg.y)[:6] + ','
|
|
plv += str(arg.z)[:6]
|
|
plv += ')'
|
|
self.wpButton.setText(translate("draft", "Custom"))
|
|
_tool = translate("draft", "Current working plane")
|
|
_tool += ": " + plv + vdir
|
|
self.wpButton.setToolTip(_tool)
|
|
if icon:
|
|
self.wpButton.setIcon(icon)
|
|
else:
|
|
self.wpButton.setIcon(QtGui.QIcon(":/icons/Draft_SelectPlane.svg"))
|
|
p = FreeCAD.DraftWorkingPlane
|
|
self.states.append([p.u, p.v, p.axis, p.position])
|
|
FreeCADGui.doCommandGui("FreeCADGui.Snapper.setGrid()")
|
|
|
|
|
|
FreeCADGui.addCommand('Draft_SelectPlane', Draft_SelectPlane())
|
|
|
|
## @}
|