147 lines
6.1 KiB
Python
147 lines
6.1 KiB
Python
# SPDX-License-Identifier: LGPL-2.1-or-later
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# ***************************************************************************
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# * *
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# * Copyright (c) 2023 FreeCAD Project Association *
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# * *
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# * This file is part of FreeCAD. *
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# * *
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# * FreeCAD is free software: you can redistribute it and/or modify it *
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# * under the terms of the GNU Lesser General Public License as *
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# * published by the Free Software Foundation, either version 2.1 of the *
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# * License, or (at your option) any later version. *
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# * *
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# * FreeCAD is distributed in the hope that it will be useful, but *
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# * WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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# * Lesser General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Lesser General Public *
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# * License along with FreeCAD. If not, see *
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# * <https://www.gnu.org/licenses/>. *
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# * *
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# ***************************************************************************
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""" Contains a parameter observer class and several related functions."""
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import FreeCAD as App
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import FreeCADGui as Gui
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from PySide import QtGui
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from draftutils import init_draft_statusbar
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from draftutils import utils
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from draftutils.translate import translate
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from draftviewproviders import view_base
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class ParamObserver:
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def slotParamChanged(self, param, tp, name, value):
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if name in ("gridBorder", "gridShowHuman", "coloredGridAxes", "gridEvery",
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"gridSpacing", "gridSize", "gridTransparency", "gridColor"):
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_param_observer_callback_grid()
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return
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if name == "DisplayStatusbarSnapWidget":
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_param_observer_callback_snapwidget()
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return
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if name == "DisplayStatusbarScaleWidget":
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_param_observer_callback_scalewidget()
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return
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if name == "snapStyle":
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_param_observer_callback_snapstyle()
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return
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if name == "snapcolor":
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_param_observer_callback_snapcolor()
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return
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if name == "patternFile":
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_param_observer_callback_svg_pattern()
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return
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def _param_observer_callback_grid():
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if hasattr(App, "draft_working_planes") and hasattr(Gui, "Snapper"):
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try:
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trackers = Gui.Snapper.trackers
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for wp in App.draft_working_planes[1]:
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view = wp._view
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if view in trackers[0]:
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i = trackers[0].index(view)
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grid = trackers[1][i]
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grid.pts = []
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grid.reset()
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grid.displayHumanFigure(wp)
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grid.setAxesColor(wp)
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except Exception:
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pass
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def _param_observer_callback_snapwidget():
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if Gui.activeWorkbench().name() == "DraftWorkbench":
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init_draft_statusbar.hide_draft_statusbar()
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init_draft_statusbar.show_draft_statusbar()
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return
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msg = translate("draft",
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"""The Snap widget is only available in the Draft Workbench.
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Switch to that workbench to see the result of this change.""")
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QtGui.QMessageBox.information(None, "Update Draft statusbar widget", msg,
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QtGui.QMessageBox.Ok)
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def _param_observer_callback_scalewidget():
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if Gui.activeWorkbench().name() == "DraftWorkbench":
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init_draft_statusbar.hide_draft_statusbar()
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init_draft_statusbar.show_draft_statusbar()
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return
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msg = translate("draft",
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"""The Annotation scale widget is only available in the Draft Workbench.
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Switch to that workbench to see the result of this change.""")
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QtGui.QMessageBox.information(None, "Update Draft statusbar widget", msg,
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QtGui.QMessageBox.Ok)
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def _param_observer_callback_snapstyle():
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if hasattr(Gui, "Snapper"):
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Gui.Snapper.set_snap_style()
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def _param_observer_callback_snapcolor():
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if hasattr(Gui, "Snapper"):
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for snap_track in Gui.Snapper.trackers[2]:
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snap_track.setColor()
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def _param_observer_callback_svg_pattern():
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utils.load_svg_patterns()
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if App.ActiveDocument is None:
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return
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msg = translate("draft",
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"""Do you want to update the SVG pattern options
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of existing objects in all opened documents?""")
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res = QtGui.QMessageBox.question(None, "Update SVG patterns", msg,
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QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
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QtGui.QMessageBox.No)
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if res == QtGui.QMessageBox.No:
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return
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pats = list(utils.svg_patterns())
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pats.sort()
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pats = ["None"] + pats
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for doc in App.listDocuments().values():
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doc.openTransaction("SVG pattern update")
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for obj in doc.Objects:
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if hasattr(obj, "ViewObject") \
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and hasattr(obj.ViewObject, "Pattern") \
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and hasattr(obj.ViewObject, "Proxy") \
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and isinstance(obj.ViewObject.Proxy, view_base.ViewProviderDraft):
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vobj = obj.ViewObject
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old = vobj.Pattern
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if old in pats:
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vobj.Pattern = pats
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else:
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tmp_pats = [old] + pats[1:]
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tmp_pats.sort()
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vobj.Pattern = ["None"] + tmp_pats
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vobj.Pattern = old
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doc.commitTransaction()
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def _param_observer_start(param = App.ParamGet("User parameter:BaseApp/Preferences/Mod/Draft")):
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param.AttachManager(ParamObserver())
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