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a2p_constraintServices.py
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a2p_constraintServices.py
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# ***************************************************************************
# * *
# * Copyright (c) 2020 kbwbe *
# * *
# * Portions of code based on hamish's assembly 2 *
# * *
# * 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 *
# * *
# ***************************************************************************
from PySide import QtGui
import FreeCAD
import FreeCADGui
import a2plib
import a2p_constraints
translate = FreeCAD.Qt.translate
def reAdjustConstraintDirections(doc):
"""
Recalculate value of property 'direction' and the sign of property 'offset'
of all a2p-constraints of a document, in order to reach a solvable state if
possible, especially used after updating of imported parts.
"""
result = [] # Added for Constraint Diagnostic function
unknown_constraints = []
constraints = [obj for obj in doc.Objects if 'ConstraintInfo' in obj.Content]
for c in constraints:
try: # process as much constraints as possible
if c.Type == 'pointIdentity':
a2p_constraints.PointIdentityConstraint.recalculateMatingDirection(c)
elif c.Type == 'pointOnLine':
a2p_constraints.PointOnLineConstraint.recalculateMatingDirection(c)
elif c.Type == 'pointOnPlane':
a2p_constraints.PointOnPlaneConstraint.recalculateMatingDirection(c)
elif c.Type == 'circularEdge':
a2p_constraints.CircularEdgeConstraint.recalculateMatingDirection(c)
elif c.Type == 'axial':
a2p_constraints.AxialConstraint.recalculateMatingDirection(c)
elif c.Type == 'axisParallel':
a2p_constraints.AxisParallelConstraint.recalculateMatingDirection(c)
elif c.Type == 'axisPlaneParallel':
a2p_constraints.AxisPlaneParallelConstraint.recalculateMatingDirection(c)
elif c.Type == 'axisPlaneAngle':
a2p_constraints.AxisPlaneAngleConstraint.recalculateMatingDirection(c)
elif c.Type == 'axisPlaneNormal':
a2p_constraints.AxisPlaneNormalConstraint.recalculateMatingDirection(c)
elif c.Type == 'planesParallel':
a2p_constraints.PlanesParallelConstraint.recalculateMatingDirection(c)
elif c.Type == 'plane':
a2p_constraints.PlaneConstraint.recalculateMatingDirection(c)
elif c.Type == 'angledPlanes':
a2p_constraints.AngledPlanesConstraint.recalculateMatingDirection(c)
elif c.Type == 'sphereCenterIdent':
a2p_constraints.SphericalConstraint.recalculateMatingDirection(c)
elif c.Type == 'CenterOfMass':
a2p_constraints.CenterOfMassConstraint.recalculateMatingDirection(c)
else:
unknown_constraints.append(c.Type)
except:
# Print - All not Ok, we have errors
print(translate(
"A2plus",
"Errors occurred during processing of {}").format(
c.Label
)
)
result.append(c.Name) # Added for Constraint Diagnostic function
if len(unknown_constraints) > 0:
# Print - All not Ok, we have problem
print(translate(
"A2plus_Constraints",
"reAdjustConstraintDirections(): Found unknown constraints: {}"
).format(
set(unknown_constraints)
)
)
else:
# Print - All Ok
print(translate(
"A2plus_Constraints",
"reAdjustConstraintDirections(): All constraints are recalculated."
))
return(result) # Added for Constraint Diagnostic function
class a2p_reAdjustConstraintDirectionsCommand:
def Activated(self):
flags = QtGui.QMessageBox.StandardButton.Yes | QtGui.QMessageBox.StandardButton.No
response = QtGui.QMessageBox.information(
QtGui.QApplication.activeWindow(),
translate("A2plus_Constraints", "Recalculate direction of constraints"),
translate("A2plus_Constraints", "Do you really want to recalculate the directions of all constraints?"),
flags
)
if response == QtGui.QMessageBox.Yes:
doc = FreeCAD.activeDocument()
doc.openTransaction("Readjust constraint's directions")
reAdjustConstraintDirections(doc)
doc.commitTransaction()
def IsActive(self):
if FreeCAD.activeDocument() is None:
return False
return True
def GetResources(self):
return {
'Pixmap': a2plib.get_module_path()+'/icons/a2p_ReAdjustConstraints.svg',
'MenuText': translate("A2plus_Constraints", "Re-adjust directions of all constraints"),
'ToolTip': translate("A2plus_Constraints", "Re-adjust directions of all constraints to best fit")
}
FreeCADGui.addCommand('a2p_reAdjustConstraintDirectionsCommand', a2p_reAdjustConstraintDirectionsCommand())