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# coding: utf-8
# /*##########################################################################
#
# Copyright (C) 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.
#
# ###########################################################################*/
__authors__ = ["V. Valls"]
__license__ = "MIT"
__date__ = "16/10/2020"
import logging
from silx.gui import qt
from pyFAI.utils import stringutil
from .AdvancedComboBox import AdvancedComboBox
from ..utils import units
_logger = logging.getLogger(__name__)
class _GeometryListModel(qt.QAbstractItemModel):
TimeColumn = 0
LabelColumn = 1
RmsColumn = 2
def __init__(self, parent, historyModel):
qt.QAbstractItemModel.__init__(self, parent=parent)
self.__data = []
self.__historyModel = historyModel
self.__historyModel.changed[object].connect(self.__historyChanged)
self.__angleUnit = None
def setAngleUnit(self, angleUnit):
self.__angleUnit = angleUnit
def item(self, index):
"""
Returns an item from an index.
"""
if not index.isValid():
return None
return self.__historyModel[index.row()]
def __historyChanged(self, events):
if events.hasOnlyStructuralEvents():
if len(events) == 1 and events[0].added:
index = events[0].index
self.beginInsertRows(qt.QModelIndex(), index, index)
self.endInsertRows()
else:
# Not optimized, cause not often called
self.beginResetModel()
self.endResetModel()
else:
# Not optimized, cause never called
self.beginResetModel()
self.endResetModel()
def appendGeometryData(self, time, rms):
self.__data.append((time, rms))
def parent(self, index):
return qt.QModelIndex()
def index(self, row, column, parent=qt.QModelIndex()):
if row < 0 or column < 0:
return qt.QModelIndex()
if row >= self.rowCount() or column >= self.columnCount():
return qt.QModelIndex()
return self.createIndex(row, column)
def rowCount(self, parent=qt.QModelIndex()):
return len(self.__historyModel)
def columnCount(self, parent=qt.QModelIndex()):
return 3
def data(self, index, role=qt.Qt.DisplayRole):
if not index.isValid():
return None
row = index.row()
item = self.__historyModel[row]
if role == qt.Qt.DisplayRole:
column = index.column()
if column == self.RmsColumn:
rms = item.rms()
if rms is None:
return "n/a"
if self.__angleUnit is not None:
angleUnit = self.__angleUnit.value()
rms = units.convert(rms, units.Unit.RADIAN, angleUnit)
value = stringutil.to_scientific_unicode(rms)
return value
elif column == self.TimeColumn:
time = item.time()
return time.strftime("%Hh%M %Ss")
elif column == self.LabelColumn:
return item.label()
else:
return ""
class GeometryHistoryComboBox(AdvancedComboBox):
def __init__(self, parent=None):
super(GeometryHistoryComboBox, self).__init__(parent)
self.setDisplayedDataCallback(self.__displayedData)
self.setUpdateCurrentIndexEnabled(False)
self.__angleUnit = None
def __displayedData(self, widget, row, role=qt.Qt.DisplayRole):
if row == -1:
if role == qt.Qt.DisplayRole:
# Displayed when nothing is selected
return ""
return None
if role == qt.Qt.DisplayRole:
model = widget.model()
index0 = model.index(row, 0)
index1 = model.index(row, 1)
text = index0.data() + ": RMS: " + index1.data()
return text
elif role == qt.Qt.DecorationRole:
return None
return None
def currentItem(self):
model = self.model()
index = model.index(self.currentIndex(), 0)
return model.item(index)
def setAngleUnit(self, angleUnit):
self.__angleUnit = angleUnit
model = self.model()
if isinstance(model, _GeometryListModel):
model.setAngleUnit(angleUnit)
def setHistoryModel(self, historyModel):
model = _GeometryListModel(self, historyModel)
model.setAngleUnit(self.__angleUnit)
self.setModel(model)
tableView = qt.QTableView(self)
tableView.setSelectionBehavior(qt.QAbstractItemView.SelectRows)
tableView.setShowGrid(False)
header = tableView.verticalHeader()
header.setVisible(False)
header = tableView.horizontalHeader()
header.setVisible(False)
header.setStretchLastSection(True)
self.setView(tableView)
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