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"""
Dialog that allows user to specify a new config file section name.
Used to get new highlight theme and keybinding set names.
"""
from tkinter import *
import tkinter.messagebox as tkMessageBox
class GetCfgSectionNameDialog(Toplevel):
def __init__(self,parent,title,message,usedNames):
"""
message - string, informational message to display
usedNames - list, list of names already in use for validity check
"""
Toplevel.__init__(self, parent)
self.configure(borderwidth=5)
self.resizable(height=FALSE,width=FALSE)
self.title(title)
self.transient(parent)
self.grab_set()
self.protocol("WM_DELETE_WINDOW", self.Cancel)
self.parent = parent
self.message=message
self.usedNames=usedNames
self.result=''
self.CreateWidgets()
self.withdraw() #hide while setting geometry
self.update_idletasks()
#needs to be done here so that the winfo_reqwidth is valid
self.messageInfo.config(width=self.frameMain.winfo_reqwidth())
self.geometry("+%d+%d" %
((parent.winfo_rootx()+((parent.winfo_width()/2)
-(self.winfo_reqwidth()/2)),
parent.winfo_rooty()+((parent.winfo_height()/2)
-(self.winfo_reqheight()/2)) )) ) #centre dialog over parent
self.deiconify() #geometry set, unhide
self.wait_window()
def CreateWidgets(self):
self.name=StringVar(self)
self.fontSize=StringVar(self)
self.frameMain = Frame(self,borderwidth=2,relief=SUNKEN)
self.frameMain.pack(side=TOP,expand=TRUE,fill=BOTH)
self.messageInfo=Message(self.frameMain,anchor=W,justify=LEFT,padx=5,pady=5,
text=self.message)#,aspect=200)
entryName=Entry(self.frameMain,textvariable=self.name,width=30)
entryName.focus_set()
self.messageInfo.pack(padx=5,pady=5)#,expand=TRUE,fill=BOTH)
entryName.pack(padx=5,pady=5)
frameButtons=Frame(self)
frameButtons.pack(side=BOTTOM,fill=X)
self.buttonOk = Button(frameButtons,text='Ok',
width=8,command=self.Ok)
self.buttonOk.grid(row=0,column=0,padx=5,pady=5)
self.buttonCancel = Button(frameButtons,text='Cancel',
width=8,command=self.Cancel)
self.buttonCancel.grid(row=0,column=1,padx=5,pady=5)
def NameOk(self):
#simple validity check for a sensible
#ConfigParser file section name
nameOk=1
name=self.name.get()
name.strip()
if not name: #no name specified
tkMessageBox.showerror(title='Name Error',
message='No name specified.', parent=self)
nameOk=0
elif len(name)>30: #name too long
tkMessageBox.showerror(title='Name Error',
message='Name too long. It should be no more than '+
'30 characters.', parent=self)
nameOk=0
elif name in self.usedNames:
tkMessageBox.showerror(title='Name Error',
message='This name is already in use.', parent=self)
nameOk=0
return nameOk
def Ok(self, event=None):
if self.NameOk():
self.result=self.name.get().strip()
self.destroy()
def Cancel(self, event=None):
self.result=''
self.destroy()
if __name__ == '__main__':
#test the dialog
root=Tk()
def run():
keySeq=''
dlg=GetCfgSectionNameDialog(root,'Get Name',
'The information here should need to be word wrapped. Test.')
print(dlg.result)
Button(root,text='Dialog',command=run).pack()
root.mainloop()
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