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      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()
     98