# coding: utf-8
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# Copyright (c) 2015-2017 European Synchrotron Radiation Facility
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"""This module provides a toolbar to control Plot3DWidget viewpoint."""
from __future__ import absolute_import
__authors__ = ["T. Vincent"]
__license__ = "MIT"
__date__ = "08/09/2017"
from silx.gui import qt
from silx.gui.icons import getQIcon
class _ViewpointActionGroup(qt.QActionGroup):
"""ActionGroup of actions to reset the viewpoint.
As for QActionGroup, add group's actions to the widget with:
`widget.addActions(actionGroup.actions())`
:param Plot3DWidget plot3D: The widget for which to control the viewpoint
:param parent: See :class:`QActionGroup`
"""
# Action information: icon name, text, tooltip
_RESET_CAMERA_ACTIONS = (
('cube-front', 'Front', 'View along the -Z axis'),
('cube-back', 'Back', 'View along the +Z axis'),
('cube-top', 'Top', 'View along the -Y'),
('cube-bottom', 'Bottom', 'View along the +Y'),
('cube-right', 'Right', 'View along the -X'),
('cube-left', 'Left', 'View along the +X'),
('cube', 'Side', 'Side view')
)
def __init__(self, plot3D, parent=None):
super(_ViewpointActionGroup, self).__init__(parent)
self.setExclusive(False)
self._plot3D = plot3D
for actionInfo in self._RESET_CAMERA_ACTIONS:
iconname, text, tooltip = actionInfo
action = qt.QAction(getQIcon(iconname), text, None)
action.setIconVisibleInMenu(True)
action.setCheckable(False)
action.setToolTip(tooltip)
self.addAction(action)
self.triggered[qt.QAction].connect(self._actionGroupTriggered)
def _actionGroupTriggered(self, action):
actionname = action.text().lower()
self._plot3D.viewport.camera.extrinsic.reset(face=actionname)
self._plot3D.centerScene()
# Choosing projection disabled for now
# Add projection combo box
# comboBoxProjection = qt.QComboBox()
# comboBoxProjection.addItem('Perspective')
# comboBoxProjection.addItem('Parallel')
# comboBoxProjection.setToolTip(
# 'Choose the projection:'
# ' perspective or parallel (i.e., orthographic)')
# comboBoxProjection.currentIndexChanged[(str)].connect(
# self._comboBoxProjectionCurrentIndexChanged)
# self.addWidget(qt.QLabel('Projection:'))
# self.addWidget(comboBoxProjection)
# def _comboBoxProjectionCurrentIndexChanged(self, text):
# """Projection combo box listener"""
# self._plot3D.setProjection(
# 'perspective' if text == 'Perspective' else 'orthographic')