| """ |
| Dialog that allows user to specify a new config file section name. |
| Used to get new highlight theme and keybinding set names. |
| The 'return value' for the dialog, used two placed in configDialog.py, |
| is the .result attribute set in the Ok and Cancel methods. |
| """ |
| from Tkinter import * |
| import tkMessageBox |
| class GetCfgSectionNameDialog(Toplevel): |
| def __init__(self, parent, title, message, used_names): |
| """ |
| message - string, informational message to display |
| used_names - string collection, 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.used_names = used_names |
| self.create_widgets() |
| 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 create_widgets(self): |
| self.name = StringVar(self.parent) |
| self.fontSize = StringVar(self.parent) |
| 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, pady=2) |
| frameButtons.pack(side=BOTTOM) |
| self.buttonOk = Button(frameButtons, text='Ok', |
| width=8, command=self.Ok) |
| self.buttonOk.pack(side=LEFT, padx=5) |
| self.buttonCancel = Button(frameButtons, text='Cancel', |
| width=8, command=self.Cancel) |
| self.buttonCancel.pack(side=RIGHT, padx=5) |
| |
| def name_ok(self): |
| ''' After stripping entered name, check that it is a sensible |
| ConfigParser file section name. Return it if it is, '' if not. |
| ''' |
| name = self.name.get().strip() |
| if not name: #no name specified |
| tkMessageBox.showerror(title='Name Error', |
| message='No name specified.', parent=self) |
| 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) |
| name = '' |
| elif name in self.used_names: |
| tkMessageBox.showerror(title='Name Error', |
| message='This name is already in use.', parent=self) |
| name = '' |
| return name |
| def Ok(self, event=None): |
| name = self.name_ok() |
| if name: |
| self.result = name |
| self.destroy() |
| def Cancel(self, event=None): |
| self.result = '' |
| self.destroy() |
| if __name__ == '__main__': |
| import unittest |
| unittest.main('idlelib.idle_test.test_config_name', verbosity=2, exit=False) |
| |
| # also human test the dialog |
| root = Tk() |
| def run(): |
| dlg=GetCfgSectionNameDialog(root,'Get Name', |
| "After the text entered with [Ok] is stripped, <nothing>, " |
| "'abc', or more that 30 chars are errors. " |
| "Close with a valid entry (printed), [Cancel], or [X]", |
| {'abc'}) |
| print dlg.result |
| Message(root, text='').pack() # will be needed for oher dialog tests |
| Button(root, text='Click to begin dialog test', command=run).pack() |
| root.mainloop() |
