| 1 | """
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| 2 | Dialog that allows user to specify a new config file section name.
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| 3 | Used to get new highlight theme and keybinding set names.
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| 4 | The 'return value' for the dialog, used two placed in configDialog.py,
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| 5 | is the .result attribute set in the Ok and Cancel methods.
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| 6 | """
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| 7 | from Tkinter import *
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| 8 | import tkMessageBox
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| 9 | class GetCfgSectionNameDialog(Toplevel):
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| 10 | def __init__(self, parent, title, message, used_names):
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| 11 | """
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| 12 | message - string, informational message to display
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| 13 | used_names - string collection, names already in use for validity check
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| 14 | """
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| 15 | Toplevel.__init__(self, parent)
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| 16 | self.configure(borderwidth=5)
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| 17 | self.resizable(height=FALSE, width=FALSE)
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| 18 | self.title(title)
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| 19 | self.transient(parent)
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| 20 | self.grab_set()
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| 21 | self.protocol("WM_DELETE_WINDOW", self.Cancel)
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| 22 | self.parent = parent
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| 23 | self.message = message
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| 24 | self.used_names = used_names
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| 25 | self.create_widgets()
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| 26 | self.withdraw() #hide while setting geometry
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| 27 | self.update_idletasks()
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| 28 | #needs to be done here so that the winfo_reqwidth is valid
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| 29 | self.messageInfo.config(width=self.frameMain.winfo_reqwidth())
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| 30 | self.geometry(
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| 31 | "+%d+%d" % (
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| 32 | parent.winfo_rootx() +
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| 33 | (parent.winfo_width()/2 - self.winfo_reqwidth()/2),
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| 34 | parent.winfo_rooty() +
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| 35 | (parent.winfo_height()/2 - self.winfo_reqheight()/2)
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| 36 | ) ) #centre dialog over parent
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| 37 | self.deiconify() #geometry set, unhide
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| 38 | self.wait_window()
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| 39 | def create_widgets(self):
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| 40 | self.name = StringVar(self.parent)
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| 41 | self.fontSize = StringVar(self.parent)
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| 42 | self.frameMain = Frame(self, borderwidth=2, relief=SUNKEN)
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| 43 | self.frameMain.pack(side=TOP, expand=TRUE, fill=BOTH)
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| 44 | self.messageInfo = Message(self.frameMain, anchor=W, justify=LEFT,
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| 45 | padx=5, pady=5, text=self.message) #,aspect=200)
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| 46 | entryName = Entry(self.frameMain, textvariable=self.name, width=30)
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| 47 | entryName.focus_set()
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| 48 | self.messageInfo.pack(padx=5, pady=5) #, expand=TRUE, fill=BOTH)
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| 49 | entryName.pack(padx=5, pady=5)
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| 50 | frameButtons = Frame(self, pady=2)
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| 51 | frameButtons.pack(side=BOTTOM)
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| 52 | self.buttonOk = Button(frameButtons, text='Ok',
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| 53 | width=8, command=self.Ok)
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| 54 | self.buttonOk.pack(side=LEFT, padx=5)
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| 55 | self.buttonCancel = Button(frameButtons, text='Cancel',
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| 56 | width=8, command=self.Cancel)
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| 57 | self.buttonCancel.pack(side=RIGHT, padx=5)
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| 58 |
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| 59 | def name_ok(self):
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| 60 | ''' After stripping entered name, check that it is a sensible
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| 61 | ConfigParser file section name. Return it if it is, '' if not.
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| 62 | '''
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| 63 | name = self.name.get().strip()
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| 64 | if not name: #no name specified
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| 65 | tkMessageBox.showerror(title='Name Error',
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| 66 | message='No name specified.', parent=self)
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| 67 | elif len(name)>30: #name too long
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| 68 | tkMessageBox.showerror(title='Name Error',
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| 69 | message='Name too long. It should be no more than '+
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| 70 | '30 characters.', parent=self)
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| 71 | name = ''
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| 72 | elif name in self.used_names:
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| 73 | tkMessageBox.showerror(title='Name Error',
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| 74 | message='This name is already in use.', parent=self)
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| 75 | name = ''
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| 76 | return name
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| 77 | def Ok(self, event=None):
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| 78 | name = self.name_ok()
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| 79 | if name:
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| 80 | self.result = name
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| 81 | self.destroy()
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| 82 | def Cancel(self, event=None):
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| 83 | self.result = ''
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| 84 | self.destroy()
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| 85 | if __name__ == '__main__':
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| 86 | import unittest
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| 87 | unittest.main('idlelib.idle_test.test_config_name', verbosity=2, exit=False)
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| 88 |
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| 89 | # also human test the dialog
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| 90 | root = Tk()
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| 91 | def run():
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| 92 | dlg=GetCfgSectionNameDialog(root,'Get Name',
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| 93 | "After the text entered with [Ok] is stripped, <nothing>, "
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| 94 | "'abc', or more that 30 chars are errors. "
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| 95 | "Close with a valid entry (printed), [Cancel], or [X]",
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| 96 | {'abc'})
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| 97 | print dlg.result
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| 98 | Message(root, text='').pack() # will be needed for oher dialog tests
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| 99 | Button(root, text='Click to begin dialog test', command=run).pack()
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| 100 | root.mainloop()
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