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# * Copyright (c) 2020 Adam Spontarelli <adam@vector-space.org> *
# * *
# * 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 *
# * *
# ***************************************************************************
import FreeCAD, Part
from fcsprocket import fcsprocket
from fcsprocket import sprocket
if FreeCAD.GuiUp:
import FreeCADGui
from PySide import QtCore, QtGui
from FreeCADGui import PySideUic as uic
__title__ = "PartDesign SprocketObject management"
__author__ = "Adam Spontarelli"
__url__ = "https://www.freecad.org"
def makeSprocket(name):
"""
makeSprocket(name): makes a Sprocket
"""
obj = FreeCAD.ActiveDocument.addObject("Part::Part2DObjectPython", name)
Sprocket(obj)
if FreeCAD.GuiUp:
ViewProviderSprocket(obj.ViewObject)
# FreeCAD.ActiveDocument.recompute()
if FreeCAD.GuiUp:
body = FreeCADGui.ActiveDocument.ActiveView.getActiveObject("pdbody")
part = FreeCADGui.ActiveDocument.ActiveView.getActiveObject("part")
if body:
body.Group = body.Group + [obj]
elif part:
part.Group = part.Group + [obj]
return obj
class CommandSprocket:
"""
the Fem Sprocket command definition
"""
def GetResources(self):
return {
"Pixmap": "PartDesign_Sprocket",
"MenuText": QtCore.QT_TRANSLATE_NOOP("PartDesign_Sprocket", "Sprocket"),
"Accel": "",
"ToolTip": QtCore.QT_TRANSLATE_NOOP(
"PartDesign_Sprocket", "Creates or edits the sprocket definition."
),
}
def Activated(self):
FreeCAD.ActiveDocument.openTransaction("Create Sprocket")
FreeCADGui.addModule("SprocketFeature")
FreeCADGui.doCommand("SprocketFeature.makeSprocket('Sprocket')")
FreeCADGui.doCommand("Gui.activeDocument().setEdit(App.ActiveDocument.ActiveObject.Name,0)")
def IsActive(self):
if FreeCAD.ActiveDocument:
return True
else:
return False
class Sprocket:
"""
The Sprocket object
"""
"""
ANSI B29.1-2011 standard roller chain sizes in USCS units (inches)
{size: [Pitch, Roller Diameter]}
"""
SprocketReferenceRollerTable = {
0: [0.250, 0.130, 0.110, "ANSI 25"],
1: [0.375, 0.200, 0.168, "ANSI 35"],
2: [0.500, 0.306, 0.227, "ANSI 41"],
3: [0.500, 0.312, 0.284, "ANSI 40"],
4: [0.625, 0.400, 0.343, "ANSI 50"],
5: [0.750, 0.469, 0.459, "ANSI 60"],
6: [1.000, 0.625, 0.575, "ANSI 80"],
7: [1.250, 0.750, 0.692, "ANSI 100"],
8: [1.500, 0.875, 0.924, "ANSI 120"],
9: [1.750, 1.000, 0.924, "ANSI 140"],
10: [2.000, 1.125, 1.156, "ANSI 160"],
11: [2.250, 1.460, 1.301, "ANSI 180"],
12: [2.500, 1.562, 1.389, "ANSI 200"],
13: [3.000, 1.875, 1.738, "ANSI 240"],
14: [0.500, 0.3125, 0.11, "Bicycle with Derailleur"],
15: [0.500, 0.3125, 0.084, "Bicycle without Derailleur"],
16: [0.375, 5.72 / 25.4, 5.2 / 25.4, "ISO 606 06B"],
17: [0.500, 7.75 / 25.4, 7.0 / 25.4, "ISO 606 08B"],
18: [0.625, 9.65 / 25.4, 9.1 / 25.4, "ISO 606 10B"],
19: [0.750, 11.68 / 25.4, 11.1 / 25.4, "ISO 606 12B"],
20: [1.000, 17.02 / 25.4, 16.2 / 25.4, "ISO 606 16B"],
21: [1.250, 19.56 / 25.4, 18.5 / 25.4, "ISO 606 20B"],
22: [1.500, 25.4 / 25.4, 24.1 / 25.4, "ISO 606 24B"],
23: [0.500, 0.3125, 0.227, "Motorcycle 420"],
24: [0.500, 0.3125, 0.284, "Motorcycle 425"],
25: [0.500, 0.335, 0.284, "Motorcycle 428"],
26: [0.625, 0.400, 0.227, "Motorcycle 520"],
27: [0.625, 0.400, 0.284, "Motorcycle 525"],
28: [0.625, 0.400, 0.343, "Motorcycle 530"],
29: [0.750, 0.400, 0.343, "Motorcycle 630"],
}
def __init__(self, obj):
self.Type = "Sprocket"
self.indx = 0
self.sprockRef = []
# As the UI file combobox has been translated the reference field needs populating here
tempForm = FreeCADGui.PySideUic.loadUi(
FreeCAD.getHomePath() + "Mod/PartDesign/SprocketFeature.ui"
)
for sKey in self.SprocketReferenceRollerTable:
tempForm.comboBox_SprocketReference.setCurrentIndex(self.indx)
self.sprockRef.append(tempForm.comboBox_SprocketReference.currentText())
self.indx += 1
self._ensure_properties(obj, is_restore=False)
obj.addProperty(
"App::PropertyEnumeration",
"SprocketReference",
"Sprocket",
"Sprocket Reference",
locked=True,
)
obj.SprocketReference = list(self.sprockRef)
obj.Proxy = self
def onDocumentRestored(self, obj):
"""hook used to migrate older versions of this object"""
self._ensure_properties(obj, is_restore=True)
def _ensure_properties(self, obj, is_restore):
def ensure_property(type_, name, doc, default):
if not hasattr(obj, name):
obj.addProperty(type_, name, "Sprocket", locked=True)
if callable(default):
setattr(obj, name, default())
else:
setattr(obj, name, default)
ensure_property("App::PropertyInteger", "NumberOfTeeth", "Number of gear teeth", 50)
ensure_property("App::PropertyLength", "Pitch", "Chain Pitch", "0.375 in")
ensure_property("App::PropertyLength", "RollerDiameter", "Roller Diameter", "0.20 in")
ensure_property(
"App::PropertyLength",
"Thickness",
"Thickness as stated in the reference specification",
"0.11 in",
)
def execute(self, obj):
w = fcsprocket.FCWireBuilder()
sprocket.CreateSprocket(w, obj.Pitch.Value, obj.NumberOfTeeth, obj.RollerDiameter.Value)
sprocketw = Part.Wire([o.toShape() for o in w.wire])
obj.Shape = sprocketw
obj.positionBySupport()
return
class ViewProviderSprocket:
"""
A View Provider for the Sprocket object
"""
def __init__(self, vobj):
vobj.Proxy = self
def getIcon(self):
return ":/icons/PartDesign_Sprocket.svg"
def attach(self, vobj):
self.ViewObject = vobj
self.Object = vobj.Object
def setEdit(self, vobj, mode):
taskd = SprocketTaskPanel(self.Object, mode)
taskd.obj = vobj.Object
taskd.update()
FreeCADGui.Control.showDialog(taskd)
return True
def unsetEdit(self, vobj, mode):
FreeCADGui.Control.closeDialog()
return
def dumps(self):
return None
def loads(self, state):
return None
class SprocketTaskPanel:
"""
The editmode TaskPanel for Sprocket objects
"""
def __init__(self, obj, mode):
self.obj = obj
self.form = FreeCADGui.PySideUic.loadUi(
FreeCAD.getHomePath() + "Mod/PartDesign/SprocketFeature.ui"
)
self.form.setWindowIcon(QtGui.QIcon(":/icons/PartDesign_Sprocket.svg"))
QtCore.QObject.connect(
self.form.Quantity_Pitch,
QtCore.SIGNAL("valueChanged(double)"),
self.pitchChanged,
)
QtCore.QObject.connect(
self.form.Quantity_RollerDiameter,
QtCore.SIGNAL("valueChanged(double)"),
self.rollerDiameterChanged,
)
QtCore.QObject.connect(
self.form.spinBox_NumberOfTeeth,
QtCore.SIGNAL("valueChanged(int)"),
self.numTeethChanged,
)
QtCore.QObject.connect(
self.form.comboBox_SprocketReference,
QtCore.SIGNAL("currentIndexChanged(int)"),
self.sprocketReferenceChanged,
)
QtCore.QObject.connect(
self.form.Quantity_Thickness,
QtCore.SIGNAL("valueChanged(double)"),
self.thicknessChanged,
)
self.update()
if mode == 0: # fresh created
self.obj.Proxy.execute(self.obj) # calculate once
FreeCAD.Gui.SendMsgToActiveView("ViewFit")
def transferTo(self):
"""
Transfer from the dialog to the object
"""
self.obj.NumberOfTeeth = self.form.spinBox_NumberOfTeeth.value()
self.obj.Pitch = self.form.Quantity_Pitch.text()
self.obj.RollerDiameter = self.form.Quantity_RollerDiameter.text()
self.obj.SprocketReference = self.form.comboBox_SprocketReference.currentIndex()
self.obj.Thickness = self.form.Quantity_Thickness.text()
def transferFrom(self):
"""
Transfer from the object to the dialog
"""
self.form.spinBox_NumberOfTeeth.setValue(self.obj.NumberOfTeeth)
self.form.Quantity_Pitch.setText(self.obj.Pitch.UserString)
self.form.Quantity_RollerDiameter.setText(self.obj.RollerDiameter.UserString)
self.form.comboBox_SprocketReference.setCurrentText(self.obj.SprocketReference)
self.form.Quantity_Thickness.setText(self.obj.Thickness.UserString)
def pitchChanged(self, value):
self.obj.Pitch = value
self.obj.Proxy.execute(self.obj)
FreeCAD.Gui.SendMsgToActiveView("ViewFit")
def sprocketReferenceChanged(self, size):
self.obj.Pitch = str(Sprocket.SprocketReferenceRollerTable[size][0]) + " in"
self.obj.RollerDiameter = str(Sprocket.SprocketReferenceRollerTable[size][1]) + " in"
self.obj.Thickness = str(Sprocket.SprocketReferenceRollerTable[size][2]) + " in"
self.obj.SprocketReference = self.obj.getEnumerationsOfProperty("SprocketReference")[size]
self.form.Quantity_Pitch.setText(self.obj.Pitch.UserString)
self.form.Quantity_RollerDiameter.setText(self.obj.RollerDiameter.UserString)
self.form.Quantity_Thickness.setText(self.obj.Thickness.UserString)
self.obj.Proxy.execute(self.obj)
FreeCAD.Gui.SendMsgToActiveView("ViewFit")
def rollerDiameterChanged(self, value):
self.obj.RollerDiameter = value
self.obj.Proxy.execute(self.obj)
def numTeethChanged(self, value):
self.obj.NumberOfTeeth = value
self.obj.Proxy.execute(self.obj)
FreeCAD.Gui.SendMsgToActiveView("ViewFit")
def thicknessChanged(self, value):
self.obj.Thickness = str(value)
self.obj.Proxy.execute(self.obj)
def getStandardButtons(self):
return (
QtGui.QDialogButtonBox.Ok | QtGui.QDialogButtonBox.Cancel | QtGui.QDialogButtonBox.Apply
)
def clicked(self, button):
if button == QtGui.QDialogButtonBox.Apply:
self.transferTo()
self.obj.Proxy.execute(self.obj)
def update(self):
self.transferFrom()
def accept(self):
self.transferTo()
FreeCAD.ActiveDocument.recompute()
FreeCADGui.ActiveDocument.resetEdit()
def reject(self):
FreeCAD.ActiveDocument.removeObject(self.obj.Name)
FreeCAD.ActiveDocument.recompute()
FreeCADGui.ActiveDocument.resetEdit()
FreeCAD.ActiveDocument.abortTransaction()
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