/usr/share/pyshared/PyMca/QSourceSelector.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 PyMcaQt as qt
QTVERSION = qt.qVersion()
import PyMca_Icons as icons
import os
import spswrap as sps
import PyMcaDirs
DEBUG = 0
class QSourceSelector(qt.QWidget):
def __init__(self, parent=None, filetypelist=None):
qt.QWidget.__init__(self, parent)
self.mainLayout= qt.QVBoxLayout(self)
self.mainLayout.setMargin(0)
self.mainLayout.setSpacing(0)
if filetypelist is None:
self.fileTypeList = ["Spec Files (*mca)",
"Spec Files (*dat)",
"Spec Files (*spec)",
"SPE Files (*SPE)",
"EDF Files (*edf)",
"EDF Files (*ccd)",
"CSV Files (*csv)",
"All Files (*)"]
else:
self.fileTypeList = filetypelist
self.lastFileFilter = self.fileTypeList[0]
# --- file combo/open/close
self.lastInputDir = PyMcaDirs.inputDir
self.fileWidget= qt.QWidget(self)
fileWidgetLayout= qt.QHBoxLayout(self.fileWidget)
fileWidgetLayout.setMargin(0)
fileWidgetLayout.setSpacing(0)
self.fileCombo = qt.QComboBox(self.fileWidget)
self.fileCombo.setEditable(0)
self.mapCombo= {}
openButton= qt.QToolButton(self.fileWidget)
if QTVERSION < '4.0.0':
self.openIcon= qt.QIconSet(qt.QPixmap(icons.fileopen))
self.closeIcon= qt.QIconSet(qt.QPixmap(icons.fileclose))
self.specIcon= qt.QIconSet(qt.QPixmap(icons.spec))
self.reloadIcon = qt.QIconSet(qt.QPixmap(icons.reload))
openButton.setIconSet(self.openIcon)
openButton.setSizePolicy(qt.QSizePolicy(qt.QSizePolicy.Fixed, qt.QSizePolicy.Minimum))
closeButton= qt.QToolButton(self.fileWidget)
closeButton.setIconSet(self.closeIcon)
specButton= qt.QToolButton(self.fileWidget)
specButton.setIconSet(self.specIcon)
refreshButton= qt.QToolButton(self.fileWidget)
refreshButton.setIconSet(self.reloadIcon)
else:
self.openIcon = qt.QIcon(qt.QPixmap(icons.fileopen))
self.closeIcon = qt.QIcon(qt.QPixmap(icons.fileclose))
self.reloadIcon = qt.QIcon(qt.QPixmap(icons.reload))
self.specIcon = qt.QIcon(qt.QPixmap(icons.spec))
openButton.setIcon(self.openIcon)
openButton.setSizePolicy(qt.QSizePolicy(qt.QSizePolicy.Fixed, qt.QSizePolicy.Minimum))
openButton.setToolTip("Open new file data source")
closeButton= qt.QToolButton(self.fileWidget)
closeButton.setIcon(self.closeIcon)
closeButton.setToolTip("Close current data source")
refreshButton= qt.QToolButton(self.fileWidget)
refreshButton.setIcon(self.reloadIcon)
refreshButton.setToolTip("Refresh data source")
specButton= qt.QToolButton(self.fileWidget)
specButton.setIcon(self.specIcon)
specButton.setToolTip("Open new shared memory source")
closeButton.setSizePolicy(qt.QSizePolicy(qt.QSizePolicy.Fixed, qt.QSizePolicy.Minimum))
specButton.setSizePolicy(qt.QSizePolicy(qt.QSizePolicy.Fixed, qt.QSizePolicy.Minimum))
refreshButton.setSizePolicy(qt.QSizePolicy(qt.QSizePolicy.Fixed, qt.QSizePolicy.Minimum))
self.connect(openButton, qt.SIGNAL("clicked()"), self._openFileSlot)
self.connect(closeButton, qt.SIGNAL("clicked()"), self.closeFile)
self.connect(refreshButton, qt.SIGNAL("clicked()"),
self._reload)
self.connect(specButton, qt.SIGNAL("clicked()"), self.openSpec)
self.connect(self.fileCombo, qt.SIGNAL("activated(const QString &)"),
self._fileSelection)
fileWidgetLayout.addWidget(self.fileCombo)
fileWidgetLayout.addWidget(openButton)
fileWidgetLayout.addWidget(closeButton)
fileWidgetLayout.addWidget(specButton)
if sys.platform == "win32":specButton.hide()
fileWidgetLayout.addWidget(refreshButton)
self.specButton = specButton
self.mainLayout.addWidget(self.fileWidget)
def _reload(self):
if DEBUG:
print("_reload called")
qstring = self.fileCombo.currentText()
if not len(qstring): return
key = str(qstring)
ddict = {}
ddict["event"] = "SourceReloaded"
ddict["combokey"] = key
ddict["sourcelist"] = self.mapCombo[key] * 1
if QTVERSION < '4.0.0':
self.emit(qt.PYSIGNAL("SourceSelectorSignal"), (ddict,))
else:
self.emit(qt.SIGNAL("SourceSelectorSignal"), ddict)
def _openFileSlot(self):
self.openFile(None, None)
def openSource(self, sourcename, specsession=None):
if specsession is None:
if sourcename in sps.getspeclist():
specsession=True
else:
specsession=False
self.openFile(sourcename, specsession=specsession)
def openFile(self, filename=None,justloaded=None, specsession = False):
if DEBUG:
print("openfile = ",filename)
staticDialog = False
if not specsession:
if justloaded is None: justloaded = True
if filename is None:
if self.lastInputDir is not None:
if not os.path.exists(self.lastInputDir):
self.lastInputDir = None
wdir = self.lastInputDir
if wdir is None:wdir = os.getcwd()
if QTVERSION < '4.0.0':
filetypes = ""
for filetype in self.fileTypeList:
filetypes += filetype+"\n"
if sys.platform == 'win32':
filelist = qt.QFileDialog.getOpenFileNames(
filetypes,
wdir,
self,
"openFile",
"Open a new EdfFile")
else:
filedialog = qt.QFileDialog(self,
"Open new EdfFile(s)",
1)
if self.lastInputDir is not None:
filedialog.setDir(self.lastInputDir)
filedialog.setMode(filedialog.ExistingFiles)
filedialog.setFilters(filetypes)
if filedialog.exec_loop() == qt.QDialog.Accepted:
filelist= filedialog.selectedFiles()
else:
return
else:
#if sys.platform == 'win32':
#if (QTVERSION < '4.3.0') and (sys.platform != 'darwin'):
if (sys.version < '3.0') and PyMcaDirs.nativeFileDialogs:
filetypes = ""
for filetype in self.fileTypeList:
filetypes += filetype+"\n"
if sys.version < '3.0':
filelist = qt.QFileDialog.getOpenFileNames(self,
"Open a new source file",
wdir,
filetypes,
self.lastFileFilter)
else:
filelist, self.lastFileFilter =\
qt.QFileDialog.getOpenFileNamesAndFilter(\
self,
"Open a new source file",
wdir,
filetypes,
self.lastFileFilter)
staticDialog = True
else:
fdialog = qt.QFileDialog(self)
fdialog.setModal(True)
fdialog.setWindowTitle("Open a new source file")
if hasattr(qt, "QStringList"):
strlist = qt.QStringList()
else:
strlist = []
for filetype in self.fileTypeList:
strlist.append(filetype)
fdialog.setFilters(strlist)
fdialog.selectFilter(self.lastFileFilter)
fdialog.setFileMode(fdialog.ExistingFiles)
fdialog.setDirectory(wdir)
ret = fdialog.exec_()
if ret == qt.QDialog.Accepted:
filelist = fdialog.selectedFiles()
self.lastFileFilter = str(fdialog.selectedFilter())
fdialog.close()
del fdialog
else:
fdialog.close()
del fdialog
return
#filelist.sort()
filename=[]
for f in filelist:
filename.append(str(f))
if not len(filename):
return
if len(filename):
self.lastInputDir = os.path.dirname(filename[0])
PyMcaDirs.inputDir = os.path.dirname(filename[0])
if staticDialog:
if len(filename[0]) > 3:
#figure out the selected filter
extension = filename[0][-3:]
self.lastFileFilter = self.fileTypeList[-1]
for fileFilter in self.fileTypeList:
if extension == fileFilter[-4:-1]:
self.lastFileFilter = fileFilter
break
justloaded = True
if justloaded:
if type(filename) != type([]):
filename = [filename]
if not os.path.exists(filename[0]):
if '%' not in filename[0]:
raise IOError("File %s does not exist" % filename[0])
#check if it is a stack
if len(filename) > 1:
key = "STACK from %s to %s" % (filename[0], filename[-1])
else:
key = os.path.basename(filename[0])
else:
key = filename
if key not in sps.getspeclist():
qt.QMessageBox.critical(self,
"SPS Error",
"No shared memory source named %s" % key)
return
ddict = {}
ddict["event"] = "NewSourceSelected"
if key in self.mapCombo.keys():
if self.mapCombo[key] == filename:
#Reloaded event
ddict["event"] = "SourceReloaded"
else:
i = 0
while key in self.mapCombo.keys():
key += "_%d" % i
ddict["combokey"] = key
ddict["sourcelist"] = filename
self.mapCombo[key] = filename
if ddict["event"] =="NewSourceSelected":
nitems = self.fileCombo.count()
if QTVERSION < '4.0.0':
self.fileCombo.insertItem(key)
self.fileCombo.setCurrentItem(nitems)
else:
self.fileCombo.insertItem(nitems, key)
self.fileCombo.setCurrentIndex(nitems)
else:
if hasattr(qt, "QString"):
nitem = self.fileCombo.findText(qt.QString(key))
else:
nitem = self.fileCombo.findText(key)
self.fileCombo.setCurrentIndex(nitem)
if QTVERSION < '4.0.0':
self.emit(qt.PYSIGNAL("SourceSelectorSignal"), (ddict,))
else:
self.emit(qt.SIGNAL("SourceSelectorSignal"), ddict)
def closeFile(self):
if DEBUG:
print("closeFile called")
#get current combobox key
qstring = self.fileCombo.currentText()
if not len(qstring): return
key = str(qstring)
ddict = {}
ddict["event"] = "SourceClosed"
ddict["combokey"] = key
ddict["sourcelist"] = self.mapCombo[key] * 1
if hasattr(qt, "QString"):
nitem = self.fileCombo.findText(qt.QString(key))
else:
nitem = self.fileCombo.findText(key)
self.fileCombo.removeItem(nitem)
del self.mapCombo[key]
if QTVERSION < '4.0.0':
self.emit(qt.PYSIGNAL("SourceSelectorSignal"), (ddict,))
else:
self.emit(qt.SIGNAL("SourceSelectorSignal"), ddict)
def openSpec(self):
speclist = sps.getspeclist()
if not len(speclist):
qt.QMessageBox.information(self,
"No SPEC Shared Memory Found",
"No shared memory source available")
return
if QTVERSION < '4.0.0':
print("should I keep Qt3 version?")
return
menu = qt.QMenu()
for spec in speclist:
if hasattr(qt, "QString"):
menu.addAction(qt.QString(spec),
lambda i=spec:self.openFile(i, specsession=True))
else:
menu.addAction(spec,
lambda i=spec:self.openFile(i, specsession=True))
menu.exec_(self.cursor().pos())
def _fileSelection(self, qstring):
if DEBUG:
print("file selected ", qstring)
key = str(qstring)
ddict = {}
ddict["event"] = "SourceSelected"
ddict["combokey"] = key
ddict["sourcelist"] = self.mapCombo[key]
if QTVERSION < '4.0.0':
self.emit(qt.PYSIGNAL("SourceSelectorSignal"), (ddict,))
else:
self.emit(qt.SIGNAL("SourceSelectorSignal"), ddict)
def test():
a = qt.QApplication(sys.argv)
#new access
import QDataSource
w= QSourceSelector()
def mySlot(ddict):
print(ddict)
if ddict["event"] == "NewSourceSelected":
d = QDataSource.QDataSource(ddict["sourcelist"][0])
w.specfileWidget.setDataSource(d)
if QTVERSION < '4.0.0':
a.connect(w, qt.PYSIGNAL("SourceSelectorSignal"),
mySlot)
else:
a.connect(w, qt.SIGNAL("SourceSelectorSignal"),
mySlot)
qt.QObject.connect(a, qt.SIGNAL("lastWindowClosed()"),
a, qt.SLOT("quit()"))
if QTVERSION < '4.0.0':
w.show()
a.exec_loop()
else:
w.show()
a.exec_()
if __name__=="__main__":
test()
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