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# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2018-2020 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 editors which are used to custom profile ROI properties.
"""
__authors__ = ["V. Valls"]
__license__ = "MIT"
__date__ = "28/06/2018"
import logging
from silx.gui import qt
from silx.gui.utils import blockSignals
from silx.gui.plot.PlotToolButtons import ProfileOptionToolButton
from silx.gui.plot.PlotToolButtons import ProfileToolButton
from . import rois
from . import core
_logger = logging.getLogger(__name__)
class _NoProfileRoiEditor(qt.QWidget):
sigDataCommited = qt.Signal()
def setEditorData(self, roi):
pass
def setRoiData(self, roi):
pass
class _DefaultImageProfileRoiEditor(qt.QWidget):
sigDataCommited = qt.Signal()
def __init__(self, parent=None):
qt.QWidget.__init__(self, parent=parent)
layout = qt.QHBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
self._initLayout(layout)
def _initLayout(self, layout):
self._lineWidth = qt.QSpinBox(self)
self._lineWidth.setRange(1, 1000)
self._lineWidth.setValue(1)
self._lineWidth.valueChanged[int].connect(self._widgetChanged)
self._methodsButton = ProfileOptionToolButton(parent=self, plot=None)
self._methodsButton.sigMethodChanged.connect(self._widgetChanged)
label = qt.QLabel('W:')
label.setToolTip("Line width in pixels")
layout.addWidget(label)
layout.addWidget(self._lineWidth)
layout.addWidget(self._methodsButton)
def _widgetChanged(self, value=None):
self.commitData()
def commitData(self):
self.sigDataCommited.emit()
def setEditorData(self, roi):
with blockSignals(self._lineWidth):
self._lineWidth.setValue(roi.getProfileLineWidth())
with blockSignals(self._methodsButton):
method = roi.getProfileMethod()
self._methodsButton.setMethod(method)
def setRoiData(self, roi):
lineWidth = self._lineWidth.value()
roi.setProfileLineWidth(lineWidth)
method = self._methodsButton.getMethod()
roi.setProfileMethod(method)
class _DefaultImageStackProfileRoiEditor(_DefaultImageProfileRoiEditor):
def _initLayout(self, layout):
super(_DefaultImageStackProfileRoiEditor, self)._initLayout(layout)
self._profileDim = ProfileToolButton(parent=self, plot=None)
self._profileDim.sigDimensionChanged.connect(self._widgetChanged)
layout.addWidget(self._profileDim)
def setEditorData(self, roi):
super(_DefaultImageStackProfileRoiEditor, self).setEditorData(roi)
with blockSignals(self._profileDim):
kind = roi.getProfileType()
dim = {"1D": 1, "2D": 2}[kind]
self._profileDim.setDimension(dim)
def setRoiData(self, roi):
super(_DefaultImageStackProfileRoiEditor, self).setRoiData(roi)
dim = self._profileDim.getDimension()
kind = {1: "1D", 2: "2D"}[dim]
roi.setProfileType(kind)
class _DefaultScatterProfileRoiEditor(qt.QWidget):
sigDataCommited = qt.Signal()
def __init__(self, parent=None):
qt.QWidget.__init__(self, parent=parent)
self._nPoints = qt.QSpinBox(self)
self._nPoints.setRange(1, 9999)
self._nPoints.setValue(1024)
self._nPoints.valueChanged[int].connect(self.__widgetChanged)
layout = qt.QHBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
label = qt.QLabel('Samples:')
label.setToolTip("Number of sample points of the profile")
layout.addWidget(label)
layout.addWidget(self._nPoints)
def __widgetChanged(self, value=None):
self.commitData()
def commitData(self):
self.sigDataCommited.emit()
def setEditorData(self, roi):
with blockSignals(self._nPoints):
self._nPoints.setValue(roi.getNPoints())
def setRoiData(self, roi):
nPoints = self._nPoints.value()
roi.setNPoints(nPoints)
class ProfileRoiEditorAction(qt.QWidgetAction):
"""
Action displaying GUI to edit the selected ROI.
:param qt.QWidget parent: Parent widget
"""
def __init__(self, parent=None):
super(ProfileRoiEditorAction, self).__init__(parent)
self.__roiManager = None
self.__roi = None
self.__inhibiteReentance = None
def createWidget(self, parent):
"""Inherit the method to create a new editor"""
widget = qt.QWidget(parent)
layout = qt.QHBoxLayout(widget)
if isinstance(parent, qt.QMenu):
margins = layout.contentsMargins()
layout.setContentsMargins(margins.left(), 0, margins.right(), 0)
else:
layout.setContentsMargins(0, 0, 0, 0)
editorClass = self.getEditorClass(self.__roi)
editor = editorClass(parent)
editor.setEditorData(self.__roi)
self.__setEditor(widget, editor)
return widget
def deleteWidget(self, widget):
"""Inherit the method to delete an editor"""
self.__setEditor(widget, None)
return qt.QWidgetAction.deleteWidget(self, widget)
def _getEditor(self, widget):
"""Returns the editor contained in the widget holder"""
layout = widget.layout()
if layout.count() == 0:
return None
return layout.itemAt(0).widget()
def setRoiManager(self, roiManager):
"""
Connect this action to a ROI manager.
:param RegionOfInterestManager roiManager: A ROI manager
"""
if self.__roiManager is roiManager:
return
if self.__roiManager is not None:
self.__roiManager.sigCurrentRoiChanged.disconnect(self.__currentRoiChanged)
self.__roiManager = roiManager
if self.__roiManager is not None:
self.__roiManager.sigCurrentRoiChanged.connect(self.__currentRoiChanged)
self.__currentRoiChanged(roiManager.getCurrentRoi())
def __currentRoiChanged(self, roi):
"""Handle changes of the selected ROI"""
if roi is not None and not isinstance(roi, core.ProfileRoiMixIn):
return
self.setProfileRoi(roi)
def setProfileRoi(self, roi):
"""Set a profile ROI to edit.
:param ProfileRoiMixIn roi: A profile ROI
"""
if self.__roi is roi:
return
if self.__roi is not None:
self.__roi.sigProfilePropertyChanged.disconnect(self.__roiPropertyChanged)
self.__roi = roi
if self.__roi is not None:
self.__roi.sigProfilePropertyChanged.connect(self.__roiPropertyChanged)
self._updateWidgets()
def getRoiProfile(self):
"""Returns the edited profile ROI.
:rtype: ProfileRoiMixIn
"""
return self.__roi
def __roiPropertyChanged(self):
"""Handle changes on the property defining the ROI.
"""
self._updateWidgetValues()
def __setEditor(self, widget, editor):
"""Set the editor to display.
:param qt.QWidget editor: The editor to display
"""
previousEditor = self._getEditor(widget)
if previousEditor is editor:
return
layout = widget.layout()
if previousEditor is not None:
previousEditor.sigDataCommited.disconnect(self._editorDataCommited)
layout.removeWidget(previousEditor)
previousEditor.deleteLater()
if editor is not None:
editor.sigDataCommited.connect(self._editorDataCommited)
layout.addWidget(editor)
def getEditorClass(self, roi):
"""Returns the editor class to use according to the ROI."""
if roi is None:
editorClass = _NoProfileRoiEditor
elif isinstance(roi, (rois._DefaultImageStackProfileRoiMixIn,
rois.ProfileImageStackCrossROI)):
# Must be done before the default image ROI
# Cause ImageStack ROIs inherit from Image ROIs
editorClass = _DefaultImageStackProfileRoiEditor
elif isinstance(roi, (rois._DefaultImageProfileRoiMixIn,
rois.ProfileImageCrossROI)):
editorClass = _DefaultImageProfileRoiEditor
elif isinstance(roi, (rois._DefaultScatterProfileRoiMixIn,
rois.ProfileScatterCrossROI)):
editorClass = _DefaultScatterProfileRoiEditor
else:
# Unsupported
editorClass = _NoProfileRoiEditor
return editorClass
def _updateWidgets(self):
"""Update the kind of editor to display, according to the selected
profile ROI."""
parent = self.parent()
editorClass = self.getEditorClass(self.__roi)
for widget in self.createdWidgets():
editor = editorClass(parent)
editor.setEditorData(self.__roi)
self.__setEditor(widget, editor)
def _updateWidgetValues(self):
"""Update the content of the displayed editor, according to the
selected profile ROI."""
for widget in self.createdWidgets():
editor = self._getEditor(widget)
if self.__inhibiteReentance is editor:
continue
editor.setEditorData(self.__roi)
def _editorDataCommited(self):
"""Handle changes from the editor."""
editor = self.sender()
if self.__roi is not None:
self.__inhibiteReentance = editor
editor.setRoiData(self.__roi)
self.__inhibiteReentance = None
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