"""

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Dialog that allows user to specify a new config file section name.

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Used to get new highlight theme and keybinding set names.

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The 'return value' for the dialog, used two placed in configDialog.py,

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is the .result attribute set in the Ok and Cancel methods.

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"""

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from Tkinter import *

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import tkMessageBox

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class GetCfgSectionNameDialog(Toplevel):

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def __init__(self, parent, title, message, used_names, _htest=False):

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"""

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message - string, informational message to display

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used_names - string collection, names already in use for validity check

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_htest - bool, change box location when running htest

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"""

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Toplevel.__init__(self, parent)

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self.configure(borderwidth=5)

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self.resizable(height=FALSE, width=FALSE)

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self.title(title)

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self.transient(parent)

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self.grab_set()

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self.protocol("WM_DELETE_WINDOW", self.Cancel)

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self.parent = parent

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self.message = message

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self.used_names = used_names

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self.create_widgets()

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self.withdraw() #hide while setting geometry

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self.update_idletasks()

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#needs to be done here so that the winfo_reqwidth is valid

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self.messageInfo.config(width=self.frameMain.winfo_reqwidth())

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self.geometry(

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"+%d+%d" % (

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parent.winfo_rootx() +

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(parent.winfo_width()/2 - self.winfo_reqwidth()/2),

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parent.winfo_rooty() +

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((parent.winfo_height()/2 - self.winfo_reqheight()/2)

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if not _htest else 100)

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) ) #centre dialog over parent (or below htest box)

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self.deiconify() #geometry set, unhide

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self.wait_window()

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def create_widgets(self):

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self.name = StringVar(self.parent)

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self.fontSize = StringVar(self.parent)

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self.frameMain = Frame(self, borderwidth=2, relief=SUNKEN)

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self.frameMain.pack(side=TOP, expand=TRUE, fill=BOTH)

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self.messageInfo = Message(self.frameMain, anchor=W, justify=LEFT,

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padx=5, pady=5, text=self.message) #,aspect=200)

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entryName = Entry(self.frameMain, textvariable=self.name, width=30)

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entryName.focus_set()

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self.messageInfo.pack(padx=5, pady=5) #, expand=TRUE, fill=BOTH)

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entryName.pack(padx=5, pady=5)

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frameButtons = Frame(self, pady=2)

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frameButtons.pack(side=BOTTOM)

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self.buttonOk = Button(frameButtons, text='Ok',

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width=8, command=self.Ok)

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self.buttonOk.pack(side=LEFT, padx=5)

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self.buttonCancel = Button(frameButtons, text='Cancel',

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width=8, command=self.Cancel)

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self.buttonCancel.pack(side=RIGHT, padx=5)

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def name_ok(self):

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''' After stripping entered name, check that it is a sensible

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ConfigParser file section name. Return it if it is, '' if not.

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'''

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name = self.name.get().strip()

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if not name: #no name specified

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tkMessageBox.showerror(title='Name Error',

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message='No name specified.', parent=self)

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elif len(name)>30: #name too long

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tkMessageBox.showerror(title='Name Error',

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message='Name too long. It should be no more than '+

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'30 characters.', parent=self)

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name = ''

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elif name in self.used_names:

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tkMessageBox.showerror(title='Name Error',

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message='This name is already in use.', parent=self)

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name = ''

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return name

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def Ok(self, event=None):

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name = self.name_ok()

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if name:

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self.result = name

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self.grab_release()

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self.destroy()

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def Cancel(self, event=None):

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self.result = ''

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self.grab_release()

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self.destroy()

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if __name__ == '__main__':

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import unittest

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unittest.main('idlelib.idle_test.test_config_name', verbosity=2, exit=False)

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from idlelib.idle_test.htest import run

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run(GetCfgSectionNameDialog)

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