| """ |
| 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 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() |