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usr
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lib
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python3.5
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idlelib
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configSectionNameDialog.py
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""" Dialog that allows user to specify a new config file section name. Used to get new highlight theme and keybinding set names. The 'return value' for the dialog, used two placed in configDialog.py, is the .result attribute set in the Ok and Cancel methods. """ from tkinter import * import tkinter.messagebox as tkMessageBox class GetCfgSectionNameDialog(Toplevel): def __init__(self, parent, title, message, used_names, _htest=False): """ message - string, informational message to display used_names - string collection, names already in use for validity check _htest - bool, change box location when running htest """ Toplevel.__init__(self, parent) self.configure(borderwidth=5) self.resizable(height=FALSE, width=FALSE) self.title(title) self.transient(parent) self.grab_set() self.protocol("WM_DELETE_WINDOW", self.Cancel) self.parent = parent self.message = message self.used_names = used_names self.create_widgets() self.withdraw() #hide while setting geometry self.update_idletasks() #needs to be done here so that the winfo_reqwidth is valid self.messageInfo.config(width=self.frameMain.winfo_reqwidth()) self.geometry( "+%d+%d" % ( parent.winfo_rootx() + (parent.winfo_width()/2 - self.winfo_reqwidth()/2), parent.winfo_rooty() + ((parent.winfo_height()/2 - self.winfo_reqheight()/2) if not _htest else 100) ) ) #centre dialog over parent (or below htest box) self.deiconify() #geometry set, unhide self.wait_window() def create_widgets(self): self.name = StringVar(self.parent) self.fontSize = StringVar(self.parent) self.frameMain = Frame(self, borderwidth=2, relief=SUNKEN) self.frameMain.pack(side=TOP, expand=TRUE, fill=BOTH) self.messageInfo = Message(self.frameMain, anchor=W, justify=LEFT, padx=5, pady=5, text=self.message) #,aspect=200) entryName = Entry(self.frameMain, textvariable=self.name, width=30) entryName.focus_set() self.messageInfo.pack(padx=5, pady=5) #, expand=TRUE, fill=BOTH) entryName.pack(padx=5, pady=5) frameButtons = Frame(self, pady=2) frameButtons.pack(side=BOTTOM) self.buttonOk = Button(frameButtons, text='Ok', width=8, command=self.Ok) self.buttonOk.pack(side=LEFT, padx=5) self.buttonCancel = Button(frameButtons, text='Cancel', width=8, command=self.Cancel) self.buttonCancel.pack(side=RIGHT, padx=5) def name_ok(self): ''' After stripping entered name, check that it is a sensible ConfigParser file section name. Return it if it is, '' if not. ''' name = self.name.get().strip() if not name: #no name specified tkMessageBox.showerror(title='Name Error', message='No name specified.', parent=self) elif len(name)>30: #name too long tkMessageBox.showerror(title='Name Error', message='Name too long. It should be no more than '+ '30 characters.', parent=self) name = '' elif name in self.used_names: tkMessageBox.showerror(title='Name Error', message='This name is already in use.', parent=self) name = '' return name def Ok(self, event=None): name = self.name_ok() if name: self.result = name self.destroy() def Cancel(self, event=None): self.result = '' self.destroy() if __name__ == '__main__': import unittest unittest.main('idlelib.idle_test.test_config_name', verbosity=2, exit=False) from idlelib.idle_test.htest import run run(GetCfgSectionNameDialog)