Lib/idlelib/configSectionNameDialog.py

   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()