def __init__(self, master):
ttk.LabelFrame.__init__(self, master, text="Constraints Files")
self.constraintsFileList = Tk.StringVar()
self.infoLabelString = Tk.StringVar()
self.loadFileButton = ttk.Button(self, text=u"Load file",
command=self.loadFile)
self.removeFileButton = ttk.Button(self, text=u"Remove file",
command=self.removeFile)
self.constraintsList = ScrolledList(self, listvariable=self.constraintsFileList)
self.downloadButton = ttk.Button(self, text=u"Download \nfrom PDB",
command=self.downloadRestraintFileWin)
self.saveButton = ttk.Button(self, text=u'Save File',
command=self.saveFile)
self.infoLabel = ttk.Label(self, textvariable=self.infoLabelString)
self.selectedFile = ""
self.widgetCreation()
self.NMRCommands = "" # Must be set by application at run time
self.mainGUI = "" # Must be set at run time
class FileSelectionPanel(ttk.LabelFrame):
"""This panel allows to import constraint file
into the Core. Also it allows the selection of the file
for the following calculations.
"""
def __init__(self, master):
ttk.LabelFrame.__init__(self, master, text="Constraints Files")
self.constraintsFileList = Tk.StringVar()
self.infoLabelString = Tk.StringVar()
self.loadFileButton = ttk.Button(self, text=u"Load file",
command=self.loadFile)
self.removeFileButton = ttk.Button(self, text=u"Remove file",
command=self.removeFile)
self.constraintsList = ScrolledList(self, listvariable=self.constraintsFileList)
self.downloadButton = ttk.Button(self, text=u"Download \nfrom PDB",
command=self.downloadRestraintFileWin)
self.saveButton = ttk.Button(self, text=u'Save File',
command=self.saveFile)
self.infoLabel = ttk.Label(self, textvariable=self.infoLabelString)
self.selectedFile = ""
self.widgetCreation()
self.NMRCommands = "" # Must be set by application at run time
self.mainGUI = "" # Must be set at run time
def widgetCreation(self):
"""
"""
self.constraintsList.listbox.exportselection = 0
self.constraintsList.grid(row=0, column=1, rowspan=4)
self.loadFileButton.grid(row=0, column=0)
self.removeFileButton.grid(row=1, column=0)
self.downloadButton.grid(row=2, column=0)
self.saveButton.grid(row=3, column=0)
self.infoLabel.grid(row=4, column=0, columnspan=2)
self.constraintsList.bind('<<ListboxSelect>>', self.onStructureSelect)
def loadFile(self):
"""Use a standard Tk dialog to get filename,
constraint type is selected prior to the opening of dialog.
Use the filename to load the constraint file in the Core.
"""
filename = tkFileDialog.askopenfilename(
title="Open a constraint file")
if len(filename):
self.NMRCommands.loadNOE(filename)
self.updateFilelist()
def updateFilelist(self):
"""
"""
managerList = " ".join(self.NMRCommands.ManagersList.keys()).strip()
self.constraintsFileList.set(managerList)
if len(managerList) == 0:
self.infoLabelString.set('')
else:
self.constraintsList.listbox.activate(len(managerList) - 1)
def removeFile(self):
"""
"""
toRemove = self.selectedFile
if toRemove:
del self.NMRCommands.ManagersList[toRemove]
self.updateFilelist()
def saveFile(self):
"""
"""
toSave = self.selectedFile
if toSave:
filename = tkFileDialog.asksaveasfilename(
title="Save constraint file as", initialfile=toSave)
if filename is not None:
self.NMRCommands.saveConstraintsFile(toSave, filename)
def downloadRestraintFileWin(self):
"""
"""
pdbCode = tkSimpleDialog.askstring('PDB NMR Restraints',
'Please enter a 4-digit pdb code:',
parent=self)
if pdbCode:
infos = self.mainGUI.getInfo()
self.NMRCommands.downloadFromPDB(pdbCode, infos["urlPDB"])
self.updateFilelist()
def onStructureSelect(self, evt):
"""
"""
# Note here that Tkinter passes an event object
w = evt.widget
selection = w.curselection()
if len(selection) == 1:
index = int(selection[0])
self.selectedFile = w.get(index)
self.infoLabelString.set("Contains " +
str(len(self.NMRCommands.ManagersList[self.selectedFile])) +
" Constraints (" + self.NMRCommands.ManagersList[self.selectedFile].format + ")")
def getInfo(self):
"""
"""
if self.selectedFile:
return {"constraintFile": self.selectedFile}
else:
return {"constraintFile": ""}
