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#/*##########################################################################
# Copyright (C) 2004-2012 European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# PyMca follows the dual licensing model of 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.
#############################################################################*/
__author__ = "V.A. Sole - ESRF Software Group"
from PyMca import PyMcaQt as qt
DEBUG = 0
class RGBCorrelatorTable(qt.QTableWidget):
def __init__(self, parent=None):
qt.QTableWidget.__init__(self, parent)
self.elementList = []
self.rSelection = []
self.gSelection = []
self.bSelection = []
labels = ['Element', 'R', 'G', 'B', 'Data Min', "Data Max"]
self.setColumnCount(len(labels))
for i in range(len(labels)):
item = self.horizontalHeaderItem(i)
if item is None:
item = qt.QTableWidgetItem(labels[i],
qt.QTableWidgetItem.Type)
item.setText(labels[i])
self.setHorizontalHeaderItem(i,item)
rheight = self.horizontalHeader().sizeHint().height()
self.setMinimumHeight(5*rheight)
self.resizeColumnToContents(1)
self.resizeColumnToContents(2)
self.resizeColumnToContents(3)
"""
qt.QObject.connect(self,
qt.SIGNAL("cellClicked(int, int)"),
self._mySlot)
"""
def build(self, elementlist):
self.elementList = elementlist
n = len(elementlist)
self.setRowCount(n)
if n > 0:
rheight = self.horizontalHeader().sizeHint().height()
for i in range(n):
self.setRowHeight(i, rheight)
self._addLine(i, elementlist[i])
self.resizeColumnToContents(1)
self.resizeColumnToContents(2)
self.resizeColumnToContents(3)
def _addLine(self, i, cntlabel):
#the counter name
item = self.item(i, 0)
if item is None:
item = qt.QTableWidgetItem(cntlabel,
qt.QTableWidgetItem.Type)
item.setTextAlignment(qt.Qt.AlignHCenter | qt.Qt.AlignVCenter)
self.setItem(i, 0, item)
else:
item.setText(cntlabel)
#item is enabled and selectable
item.setFlags(qt.Qt.ItemIsEnabled | qt.Qt.ItemIsSelectable)
#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)
qt.QObject.connect(widget,
qt.SIGNAL('CheckBoxItemSignal'),
self._mySlot)
else:
pass
def _mySlot(self, ddict):
row = ddict["row"]
col = ddict["col"]
if col == 1:
if ddict["state"]:
if row not in self.rSelection:
self.rSelection.append(row)
else:
if row in self.rSelection:
del self.rSelection[self.rSelection.index(row)]
if len(self.rSelection) > 1:
self.rSelection = self.rSelection[-1:]
if col == 2:
if ddict["state"]:
if row not in self.gSelection:
self.gSelection.append(row)
else:
if row in self.gSelection:
del self.gSelection[self.gSelection.index(row)]
if len(self.gSelection) > 1:
self.gSelection = self.gSelection[-1:]
if col == 3:
if ddict["state"]:
if row not in self.bSelection:
self.bSelection.append(row)
else:
if row in self.bSelection:
del self.bSelection[self.bSelection.index(row)]
if len(self.bSelection) > 1:
self.bSelection = self.bSelection[-1:]
#I should check if there is a change ...
self._update()
def _emitSignal(self):
ddict = self.getElementSelection()
ddict['event'] = "updated"
self.emit(qt.SIGNAL('RGBCorrelatorTableSignal'),
ddict)
def _update(self):
for i in range(self.rowCount()):
j = 1
widget = self.cellWidget(i, j)
if i in self.rSelection:
if not widget.isChecked():
widget.setChecked(True)
else:
if widget.isChecked():
widget.setChecked(False)
j = 2
widget = self.cellWidget(i, j)
if i in self.gSelection:
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.bSelection:
if not widget.isChecked():
widget.setChecked(True)
else:
if widget.isChecked():
widget.setChecked(False)
self._emitSignal()
def getElementSelection(self):
ddict = {}
ddict['elementlist'] = self.elementList * 1
n = len(self.elementList)
if n == 0:
self.rSelection = []
self.gSelection = []
self.bSelection = []
if len(self.rSelection):
if self.rSelection[0] >= n:
self.rSelection = []
if len(self.gSelection):
if self.gSelection[0] >= n:
self.gSelection = []
if len(self.bSelection):
if self.bSelection[0] >= n:
self.bSelection = []
ddict['r'] = self.rSelection * 1
ddict['g'] = self.gSelection * 1
ddict['b'] = self.bSelection * 1
return ddict
def setElementSelection(self, ddict):
keys = ddict.keys()
if 'elementlist' in keys: elementlist = ddict['elementlist']
else: elementlist = self.elementList * 1
if 'r' in keys: x = ddict['r']
else: x = []
if 'g' in keys: y = ddict['g']
else: y = []
if 'b' in keys: monitor = ddict['b']
else: monitor = []
self.rSelection = []
for item in x:
if item < len(elementlist):
counter = elementlist[item]
if 0:
if counter in self.elementList:
self.rSelection.append(self.elementList.index(counter))
else:
self.rSelection.append(item)
self.gSelection = []
for item in y:
if item < len(elementlist):
counter = elementlist[item]
if counter in self.elementList:
self.gSelection.append(self.elementList.index(counter))
self.bSelection = []
for item in monitor:
if item < len(elementlist):
counter = elementlist[item]
if counter in self.elementList:
self.bSelection.append(self.elementList.index(counter))
self._update()
class CheckBoxItem(qt.QCheckBox):
def __init__(self, parent, row, col):
qt.QCheckBox.__init__(self, parent)
self.__row = row
self.__col = col
qt.QObject.connect(self, qt.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(qt.SIGNAL('CheckBoxItemSignal'), ddict)
def main():
app = qt.QApplication([])
def slot(ddict):
print("received dict = ", ddict)
tab = RGBCorrelatorTable()
app.connect(tab,
qt.SIGNAL('RGBCorrelatorTableSignal'),
slot)
tab.build(["Cnt1", "Cnt2", "Cnt3"])
tab.setElementSelection({'r':[1], 'g':[4], 'elementlist':["dummy", "Ca K", "Fe K", "Pb M", "U l"]})
tab.show()
app.exec_()
if __name__ == "__main__":
main()
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