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# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2018-2019 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 tool bar helper.
"""
__authors__ = ["V. Valls"]
__license__ = "MIT"
__date__ = "28/06/2018"
import logging
import weakref
from silx.gui import qt
from silx.gui.widgets.MultiModeAction import MultiModeAction
from . import manager
from .. import roi as roi_mdl
from silx.gui.plot import items
_logger = logging.getLogger(__name__)
class ProfileToolBar(qt.QToolBar):
"""Tool bar to provide profile for a plot.
It is an helper class. For a dedicated application it would be better to
use an own tool bar in order in order have more flexibility.
"""
def __init__(self, parent=None, plot=None):
super(ProfileToolBar, self).__init__(parent=parent)
self.__scheme = None
self.__manager = None
self.__plot = weakref.ref(plot)
self.__multiAction = None
def getPlotWidget(self):
"""The :class:`~silx.gui.plot.PlotWidget` associated to the toolbar.
:rtype: Union[~silx.gui.plot.PlotWidget,None]
"""
if self.__plot is None:
return None
plot = self.__plot()
if self.__plot is None:
self.__plot = None
return plot
def setScheme(self, scheme):
"""Initialize the tool bar using a configuration scheme.
It have to be done once and only once.
:param str scheme: One of "scatter", "image", "imagestack"
"""
assert self.__scheme is None
self.__scheme = scheme
plot = self.getPlotWidget()
self.__manager = manager.ProfileManager(self, plot)
if scheme == "image":
self.__manager.setItemType(image=True)
self.__manager.setActiveItemTracking(True)
multiAction = MultiModeAction(self)
self.addAction(multiAction)
for action in self.__manager.createImageActions(self):
multiAction.addAction(action)
self.__multiAction = multiAction
cleanAction = self.__manager.createClearAction(self)
self.addAction(cleanAction)
editorAction = self.__manager.createEditorAction(self)
self.addAction(editorAction)
plot.sigActiveImageChanged.connect(self._activeImageChanged)
self._activeImageChanged()
elif scheme == "scatter":
self.__manager.setItemType(scatter=True)
self.__manager.setActiveItemTracking(True)
multiAction = MultiModeAction(self)
self.addAction(multiAction)
for action in self.__manager.createScatterActions(self):
multiAction.addAction(action)
for action in self.__manager.createScatterSliceActions(self):
multiAction.addAction(action)
self.__multiAction = multiAction
cleanAction = self.__manager.createClearAction(self)
self.addAction(cleanAction)
editorAction = self.__manager.createEditorAction(self)
self.addAction(editorAction)
plot.sigActiveScatterChanged.connect(self._activeScatterChanged)
self._activeScatterChanged()
elif scheme == "imagestack":
self.__manager.setItemType(image=True)
self.__manager.setActiveItemTracking(True)
multiAction = MultiModeAction(self)
self.addAction(multiAction)
for action in self.__manager.createImageStackActions(self):
multiAction.addAction(action)
self.__multiAction = multiAction
cleanAction = self.__manager.createClearAction(self)
self.addAction(cleanAction)
editorAction = self.__manager.createEditorAction(self)
self.addAction(editorAction)
plot.sigActiveImageChanged.connect(self._activeImageChanged)
self._activeImageChanged()
else:
raise ValueError("Toolbar scheme %s unsupported" % scheme)
def _setRoiActionEnabled(self, itemKind, enabled):
for action in self.__multiAction.getMenu().actions():
if not isinstance(action, roi_mdl.CreateRoiModeAction):
continue
roiClass = action.getRoiClass()
if issubclass(itemKind, roiClass.ITEM_KIND):
action.setEnabled(enabled)
def _activeImageChanged(self, previous=None, legend=None):
"""Handle active image change to toggle actions"""
if legend is None:
self._setRoiActionEnabled(items.ImageStack, False)
self._setRoiActionEnabled(items.ImageBase, False)
else:
plot = self.getPlotWidget()
image = plot.getActiveImage()
# Disable for empty image
enabled = image.getData(copy=False).size > 0
self._setRoiActionEnabled(type(image), enabled)
def _activeScatterChanged(self, previous=None, legend=None):
"""Handle active scatter change to toggle actions"""
if legend is None:
self._setRoiActionEnabled(items.Scatter, False)
else:
plot = self.getPlotWidget()
scatter = plot.getActiveScatter()
# Disable for empty image
enabled = scatter.getValueData(copy=False).size > 0
self._setRoiActionEnabled(type(scatter), enabled)
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