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# /**************************************************************************
# *
# Copyright (c) 2023 Ondsel <development@ondsel.com> *
# *
# This file is part of FreeCAD. *
# *
# FreeCAD is free software: you can redistribute it and/or modify it *
# under the terms of the GNU Lesser General Public License as *
# published by the Free Software Foundation, either version 2.1 of the *
# License, or (at your option) any later version. *
# *
# FreeCAD 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 *
# Lesser General Public License for more details. *
# *
# You should have received a copy of the GNU Lesser General Public *
# License along with FreeCAD. If not, see *
# <https://www.gnu.org/licenses/>. *
# *
# **************************************************************************/
import Assembly_rc
class AssemblyCommandGroup:
def __init__(self, cmdlist, menu, tooltip=None):
self.cmdlist = cmdlist
self.menu = menu
if tooltip is None:
self.tooltip = menu
else:
self.tooltip = tooltip
def GetCommands(self):
return tuple(self.cmdlist)
def GetResources(self):
return {"MenuText": self.menu, "ToolTip": self.tooltip}
def IsActive(self):
if FreeCAD.ActiveDocument is not None:
return True
return False
class AssemblyWorkbench(Workbench):
"Assembly workbench"
def __init__(self):
self.__class__.Icon = (
FreeCAD.getResourceDir() + "Mod/Assembly/Resources/icons/AssemblyWorkbench.svg"
)
self.__class__.MenuText = "Assembly"
self.__class__.ToolTip = "Assembly workbench"
def Initialize(self):
global AssemblyCommandGroup
translate = FreeCAD.Qt.translate
# load the builtin modules
from PySide import QtCore, QtGui
from PySide.QtCore import QT_TRANSLATE_NOOP
import CommandCreateAssembly, CommandInsertLink, CommandInsertNewPart, CommandCreateJoint, CommandSolveAssembly, CommandExportASMT, CommandCreateView, CommandCreateSimulation, CommandCreateBom
import Preferences
FreeCADGui.addLanguagePath(":/translations")
FreeCADGui.addIconPath(":/icons")
FreeCADGui.addPreferencePage(
Preferences.PreferencesPage, QT_TRANSLATE_NOOP("QObject", "Assembly")
)
# build commands list
cmdList = [
"Assembly_CreateAssembly",
"Assembly_Insert",
"Assembly_SolveAssembly",
"Assembly_CreateView",
"Assembly_CreateSimulation",
"Assembly_CreateBom",
]
cmdListMenuOnly = [
"Assembly_ExportASMT",
]
cmdListJoints = [
"Assembly_ToggleGrounded",
"Separator",
"Assembly_CreateJointFixed",
"Assembly_CreateJointRevolute",
"Assembly_CreateJointCylindrical",
"Assembly_CreateJointSlider",
"Assembly_CreateJointBall",
"Separator",
"Assembly_CreateJointDistance",
"Assembly_CreateJointParallel",
"Assembly_CreateJointPerpendicular",
"Assembly_CreateJointAngle",
"Separator",
"Assembly_CreateJointRackPinion",
"Assembly_CreateJointScrew",
"Assembly_CreateJointGearBelt",
]
self.appendToolbar(QT_TRANSLATE_NOOP("Workbench", "Assembly"), cmdList)
self.appendToolbar(QT_TRANSLATE_NOOP("Workbench", "Assembly Joints"), cmdListJoints)
self.appendMenu(
[QT_TRANSLATE_NOOP("Workbench", "&Assembly")],
cmdList + cmdListMenuOnly + ["Separator"] + cmdListJoints,
)
def Activated(self):
# update the translation engine
FreeCADGui.updateLocale()
# Add task watchers to provide contextual tools in the task panel
self.setWatchers()
def Deactivated(self):
FreeCADGui.Control.clearTaskWatcher()
def ContextMenu(self, recipient):
pass
def setWatchers(self):
import UtilsAssembly
translate = FreeCAD.Qt.translate
class AssemblyCreateWatcher:
"""Shows 'Create Assembly' when no assembly exists in the document."""
def __init__(self):
self.commands = ["Assembly_CreateAssembly"]
self.title = translate("Assembly", "Create")
def shouldShow(self):
doc = FreeCAD.ActiveDocument
if hasattr(doc, "RootObjects"):
for obj in doc.RootObjects:
if obj.isDerivedFrom("Assembly::AssemblyObject"):
return False
return True
class AssemblyActivateWatcher:
"""Shows 'Activate Assembly' when an assembly exists but is not active."""
def __init__(self):
self.commands = ["Assembly_ActivateAssembly"]
self.title = translate("Assembly", "Activate")
def shouldShow(self):
doc = FreeCAD.ActiveDocument
has_assembly = False
if hasattr(doc, "RootObjects"):
for obj in doc.RootObjects:
if obj.isDerivedFrom("Assembly::AssemblyObject"):
has_assembly = True
break
assembly = UtilsAssembly.activeAssembly()
return has_assembly and (assembly is None or assembly.Document != doc)
class AssemblyBaseWatcher:
"""Base class for watchers that require an active assembly."""
def __init__(self):
self.assembly = None
def shouldShow(self):
doc = FreeCAD.ActiveDocument
self.assembly = UtilsAssembly.activeAssembly()
return self.assembly is not None and self.assembly.Document == doc
class AssemblyInsertWatcher(AssemblyBaseWatcher):
"""Shows 'Insert Component' when an assembly is active."""
def __init__(self):
super().__init__()
self.commands = ["Assembly_Insert"]
self.title = translate("Assembly", "Insert")
def shouldShow(self):
return super().shouldShow()
class AssemblyGroundWatcher(AssemblyBaseWatcher):
"""Shows 'Ground' when the active assembly has no grounded parts."""
def __init__(self):
super().__init__()
self.commands = ["Assembly_ToggleGrounded"]
self.title = translate("Assembly", "Grounding")
def shouldShow(self):
if not super().shouldShow():
return False
return (
UtilsAssembly.assembly_has_at_least_n_parts(1)
and not UtilsAssembly.isAssemblyGrounded()
)
class AssemblyJointsWatcher(AssemblyBaseWatcher):
"""Shows Joint, View, and BOM tools when there are enough parts."""
def __init__(self):
super().__init__()
self.commands = [
"Assembly_CreateJointFixed",
"Assembly_CreateJointRevolute",
"Assembly_CreateJointCylindrical",
"Assembly_CreateJointSlider",
"Assembly_CreateJointBall",
"Separator",
"Assembly_CreateJointDistance",
"Assembly_CreateJointParallel",
"Assembly_CreateJointPerpendicular",
"Assembly_CreateJointAngle",
]
self.title = translate("Assembly", "Constraints")
def shouldShow(self):
if not super().shouldShow():
return False
return UtilsAssembly.assembly_has_at_least_n_parts(2)
class AssemblyToolsWatcher(AssemblyBaseWatcher):
"""Shows Joint, View, and BOM tools when there are enough parts."""
def __init__(self):
super().__init__()
self.commands = [
"Assembly_CreateView",
"Assembly_CreateBom",
]
self.title = translate("Assembly", "Tools")
def shouldShow(self):
if not super().shouldShow():
return False
return UtilsAssembly.assembly_has_at_least_n_parts(1)
class AssemblySimulationWatcher(AssemblyBaseWatcher):
"""Shows 'Create Simulation' when specific motional joints exist."""
def __init__(self):
super().__init__()
self.commands = ["Assembly_CreateSimulation"]
self.title = translate("Assembly", "Simulation")
def shouldShow(self):
if not super().shouldShow():
return False
joint_types = ["Revolute", "Slider", "Cylindrical"]
joints = UtilsAssembly.getJointsOfType(self.assembly, joint_types)
return len(joints) > 0
watchers = [
AssemblyCreateWatcher(),
AssemblyActivateWatcher(),
AssemblyInsertWatcher(),
AssemblyGroundWatcher(),
AssemblyJointsWatcher(),
AssemblyToolsWatcher(),
AssemblySimulationWatcher(),
]
FreeCADGui.Control.addTaskWatcher(watchers)
Gui.addWorkbench(AssemblyWorkbench())
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