1 """

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

     3 Used to get new highlight theme and keybinding set names.

     4 """

     5 from Tkinter import *

     6 import tkMessageBox

     7 

     8 class GetCfgSectionNameDialog(Toplevel):

     9     def __init__(self,parent,title,message,usedNames):

    10         """

    11         message - string, informational message to display

    12         usedNames - list, list of names already in use for validity check

    13         """

    14         Toplevel.__init__(self, parent)

    15         self.configure(borderwidth=5)

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

    17         self.title(title)

    18         self.transient(parent)

    19         self.grab_set()

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

    21         self.parent = parent

    22         self.message=message

    23         self.usedNames=usedNames

    24         self.result=''

    25         self.CreateWidgets()

    26         self.withdraw() #hide while setting geometry

    27         self.update_idletasks()

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

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

    30         self.geometry("+%d+%d" %

    31             ((parent.winfo_rootx()+((parent.winfo_width()/2)

    32                 -(self.winfo_reqwidth()/2)),

    33               parent.winfo_rooty()+((parent.winfo_height()/2)

    34                 -(self.winfo_reqheight()/2)) )) ) #centre dialog over parent

    35         self.deiconify() #geometry set, unhide

    36         self.wait_window()

    37 

    38     def CreateWidgets(self):

    39         self.name=StringVar(self)

    40         self.fontSize=StringVar(self)

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

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

    43         self.messageInfo=Message(self.frameMain,anchor=W,justify=LEFT,padx=5,pady=5,

    44                 text=self.message)#,aspect=200)

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

    46         entryName.focus_set()

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

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

    49         frameButtons=Frame(self)

    50         frameButtons.pack(side=BOTTOM,fill=X)

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

    52                 width=8,command=self.Ok)

    53         self.buttonOk.grid(row=0,column=0,padx=5,pady=5)

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

    55                 width=8,command=self.Cancel)

    56         self.buttonCancel.grid(row=0,column=1,padx=5,pady=5)

    57 

    58     def NameOk(self):

    59         #simple validity check for a sensible

    60         #ConfigParser file section name

    61         nameOk=1

    62         name=self.name.get()

    63         name.strip()

    64         if not name: #no name specified

    65             tkMessageBox.showerror(title='Name Error',

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

    67             nameOk=0

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

    69             tkMessageBox.showerror(title='Name Error',

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

    71                     '30 characters.', parent=self)

    72             nameOk=0

    73         elif name in self.usedNames:

    74             tkMessageBox.showerror(title='Name Error',

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

    76             nameOk=0

    77         return nameOk

    78 

    79     def Ok(self, event=None):

    80         if self.NameOk():

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

    82             self.destroy()

    83 

    84     def Cancel(self, event=None):

    85         self.result=''

    86         self.destroy()

    87 

    88 if __name__ == '__main__':

    89     #test the dialog

    90     root=Tk()

    91     def run():

    92         keySeq=''

    93         dlg=GetCfgSectionNameDialog(root,'Get Name',

    94                 'The information here should need to be word wrapped. Test.')

    95         print dlg.result

    96     Button(root,text='Dialog',command=run).pack()

    97     root.mainloop()