/usr/share/pyshared/PyMca/HDF5CounterTable.py is in pymca 4.5.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2004-2011 European Synchrotron Radiation Facility
#
# This file is part of the PyMCA X-ray Fluorescence Toolkit developed at
# the ESRF by the Beamline Instrumentation Software Support (BLISS) group.
#
# This toolkit is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# PyMCA is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# PyMCA; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307, USA.
#
# PyMCA follows the dual licensing model of Trolltech's Qt and Riverbank's PyQt
# and cannot be used as a free plugin for a non-free program.
#
# Please contact the ESRF industrial unit (industry@esrf.fr) if this license
# is a problem for you.
#############################################################################*/
import sys
import PyQt4.QtCore as QtCore
import PyQt4.QtGui as QtGui
DEBUG = 0
class HDF5CounterTable(QtGui.QTableWidget):
def __init__(self, parent=None):
QtGui.QTableWidget.__init__(self, parent)
self.cntList = []
self.aliasList = []
self.mcaList = []
self.xSelection = []
self.ySelection = []
self.monSelection = []
self.__is3DEnabled = False
labels = ['Counter', 'Axes', 'Signals', 'Monitor', 'Alias']
self.setColumnCount(len(labels))
for i in range(len(labels)):
item = self.horizontalHeaderItem(i)
if item is None:
item = QtGui.QTableWidgetItem(labels[i],
QtGui.QTableWidgetItem.Type)
item.setText(labels[i])
self.setHorizontalHeaderItem(i,item)
"""
#the cell is not the same as the check box
#but I wonder about the checkboxes being destroyed
"""
QtCore.QObject.connect(self,
QtCore.SIGNAL("cellChanged(int, int)"),
self._aliasSlot)
def build(self, cntlist, aliaslist=None):
self.__building = True
nmca = 0
if aliaslist is None:
import posixpath
aliaslist = []
for item in cntlist:
aliaslist.append(posixpath.basename(item))
if len(cntlist) != len(aliaslist):
raise ValueError("Alias list and counter list must have same length")
self.cntList = cntlist
self.aliasList = aliaslist
n = len(cntlist)
self.setRowCount(n)
if n > 0:
self.setRowCount(n)
rheight = self.horizontalHeader().sizeHint().height()
for i in range(n):
self.setRowHeight(i, rheight)
self.__addLine(i, cntlist[i])
for j in range(1, 4, 1):
widget = self.cellWidget(i, j)
widget.setEnabled(True)
else:
self.setRowCount(0)
self.resizeColumnToContents(1)
self.resizeColumnToContents(2)
self.resizeColumnToContents(3)
self.__building = False
def __addLine(self, i, cntlabel):
#the counter name
item = self.item(i, 0)
if item is None:
item = QtGui.QTableWidgetItem(cntlabel,
QtGui.QTableWidgetItem.Type)
item.setTextAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
self.setItem(i, 0, item)
else:
item.setText(cntlabel)
#item is just enabled (not selectable)
item.setFlags(QtCore.Qt.ItemIsEnabled)
#the checkboxes
for j in range(1, 4, 1):
widget = self.cellWidget(i, j)
if widget is None:
widget = CheckBoxItem(self, i, j)
self.setCellWidget(i, j, widget)
QtCore.QObject.connect(widget,
QtCore.SIGNAL('CheckBoxItemSignal'),
self._mySlot)
else:
pass
#the alias
item = self.item(i, 4)
alias = self.aliasList[i]
if item is None:
item = QtGui.QTableWidgetItem(alias,
QtGui.QTableWidgetItem.Type)
item.setTextAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
self.setItem(i, 4, item)
else:
item.setText(alias)
def set3DEnabled(self, value):
if value:
self.__is3DEnabled = True
else:
self.__is3DEnabled = False
if len(self.xSelection) > 1:
self.xSelection = [1 * self.xSelection[0]]
self._update()
def _aliasSlot(self, row, col):
if self.__building:
return
if col != 4:
return
item = self.item(row, 4)
self.aliasList[row] = str(item.text())
def _mySlot(self, ddict):
row = ddict["row"]
col = ddict["col"]
if col == 1:
if ddict["state"]:
if row not in self.xSelection:
self.xSelection.append(row)
else:
if row in self.xSelection:
del self.xSelection[self.xSelection.index(row)]
if not self.__is3DEnabled:
if len(self.xSelection) > 2:
#that is to support mesh plots
self.xSelection = self.xSelection[-2:]
if len(self.xSelection) > 1:
self.xSelection = self.xSelection[-1:]
elif len(self.xSelection) > 3:
self.xSelection = self.xSelection[-3:]
if col == 2:
if ddict["state"]:
if row not in self.ySelection:
self.ySelection.append(row)
else:
if row in self.ySelection:
del self.ySelection[self.ySelection.index(row)]
if col == 3:
if ddict["state"]:
if row not in self.monSelection:
self.monSelection.append(row)
else:
if row in self.monSelection:
del self.monSelection[self.monSelection.index(row)]
if len(self.monSelection) > 1:
self.monSelection = self.monSelection[-1:]
self._update()
def _update(self):
axisLabels = ['X', 'Y', 'Z']
for i in range(self.rowCount()):
j = 1
widget = self.cellWidget(i, j)
if i in self.xSelection:
if not widget.isChecked():
widget.setChecked(True)
widget.setText(axisLabels[self.xSelection.index(i)])
else:
if widget.isChecked():
widget.setChecked(False)
widget.setText("")
j = 2
widget = self.cellWidget(i, j)
if i in self.ySelection:
if not widget.isChecked():
widget.setChecked(True)
else:
if widget.isChecked():
widget.setChecked(False)
j = 3
widget = self.cellWidget(i, j)
if i in self.monSelection:
if not widget.isChecked():
widget.setChecked(True)
else:
if widget.isChecked():
widget.setChecked(False)
ddict = {}
ddict["event"] = "updated"
self.emit(QtCore.SIGNAL('HDF5CounterTableSignal'), ddict)
def getCounterSelection(self):
ddict = {}
ddict['cntlist'] = self.cntList * 1
ddict['aliaslist'] = self.aliasList * 1
ddict['x'] = self.xSelection * 1
ddict['y'] = self.ySelection * 1
ddict['m'] = self.monSelection * 1
return ddict
def setCounterSelection(self, ddict):
keys = ddict.keys()
if 'cntlist' in keys:
cntlist = ddict['cntlist']
else:
cntlist = self.cntList * 1
if 'aliaslist' in keys:
aliaslist = ddict['aliaslist']
elif len(self.aliasList) == len(cntlist):
aliaslist = self.aliasList * 1
else:
aliaslist = self.cntList * 1
if 'x' in keys:
x = ddict['x']
else:
x = []
if 'y' in keys:
y = ddict['y']
else:
y = []
if 'm' in keys:
monitor = ddict['m']
else:
monitor = []
self.xSelection = []
for item in x:
if item < len(cntlist):
counter = cntlist[item]
if 0:
if counter in self.cntList:
self.xSelection.append(self.cntList.index(counter))
else:
self.xSelection.append(item)
self.ySelection = []
for item in y:
if item < len(cntlist):
counter = cntlist[item]
if counter in self.cntList:
self.ySelection.append(self.cntList.index(counter))
self.monSelection = []
for item in monitor:
if item < len(cntlist):
counter = cntlist[item]
if counter in self.cntList:
self.monSelection.append(self.cntList.index(counter))
self._update()
class CheckBoxItem(QtGui.QCheckBox):
def __init__(self, parent, row, col):
QtGui.QCheckBox.__init__(self, parent)
self.__row = row
self.__col = col
QtCore.QObject.connect(self, QtCore.SIGNAL("clicked(bool)"), self._mySignal)
def _mySignal(self, value):
ddict = {}
ddict["event"] = "clicked"
ddict["state"] = value
ddict["row"] = self.__row * 1
ddict["col"] = self.__col * 1
self.emit(QtCore.SIGNAL('CheckBoxItemSignal'), ddict)
def main():
app = QtGui.QApplication([])
tab = HDF5CounterTable()
tab.build(["Cnt1", "Cnt2", "Cnt3"])
tab.setCounterSelection({'x':[1, 2], 'y':[4], 'cntlist':["dummy", "Cnt0", "Cnt1", "Cnt2", "Cnt3"]})
tab.show()
app.exec_()
if __name__ == "__main__":
main()
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