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Text File  |  2008-10-05  |  4KB  |  98 lines
  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.