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diff --git a/silx/gui/plot3d/tools/ViewpointTools.py b/silx/gui/plot3d/tools/ViewpointTools.py
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-# coding: utf-8
-# /*##########################################################################
-#
-# Copyright (c) 2015-2018 European Synchrotron Radiation Facility
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-#
-# ###########################################################################*/
-"""This module provides a toolbar to control Plot3DWidget viewpoint."""
-
-from __future__ import absolute_import
-
-__authors__ = ["T. Vincent"]
-__license__ = "MIT"
-__date__ = "08/09/2017"
-
-
-import weakref
-
-from silx.gui import qt
-from silx.gui.icons import getQIcon
-from .. import actions
-
-
-class ViewpointToolButton(qt.QToolButton):
- """A toolbutton with a drop-down list of ways to reset the viewpoint.
-
- :param parent: See :class:`QToolButton`
- """
-
- def __init__(self, parent=None):
- super(ViewpointToolButton, self).__init__(parent)
-
- self._plot3DRef = None
-
- menu = qt.QMenu(self)
- menu.addAction(actions.viewpoint.FrontViewpointAction(parent=self))
- menu.addAction(actions.viewpoint.BackViewpointAction(parent=self))
- menu.addAction(actions.viewpoint.TopViewpointAction(parent=self))
- menu.addAction(actions.viewpoint.BottomViewpointAction(parent=self))
- menu.addAction(actions.viewpoint.RightViewpointAction(parent=self))
- menu.addAction(actions.viewpoint.LeftViewpointAction(parent=self))
- menu.addAction(actions.viewpoint.SideViewpointAction(parent=self))
-
- self.setMenu(menu)
- self.setPopupMode(qt.QToolButton.InstantPopup)
- self.setIcon(getQIcon('cube'))
- self.setToolTip('Reset the viewpoint to a defined position')
-
- def setPlot3DWidget(self, widget):
- """Set the Plot3DWidget this toolbar is associated with
-
- :param ~silx.gui.plot3d.Plot3DWidget.Plot3DWidget widget:
- The widget to control
- """
- self._plot3DRef = None if widget is None else weakref.ref(widget)
-
- for action in self.menu().actions():
- action.setPlot3DWidget(widget)
-
- def getPlot3DWidget(self):
- """Return the Plot3DWidget associated to this toolbar.
-
- If no widget is associated, it returns None.
-
- :rtype: ~silx.gui.plot3d.Plot3DWidget.Plot3DWidget or None
- """
- return None if self._plot3DRef is None else self._plot3DRef()