#!/usr/bin/env python
# wxE
# a text editor in wxPython
# Barret Rennie, 2007
# Public Domain

import wx
import os.path

ID_ABOUT = 1000
ID_NEW   = 1001
ID_SAVE  = 1002
ID_OPEN  = 1003
ID_EXIT  = 1004
ID_SAVEAS = 1005

class Window(wx.Frame):
    openfile = ""
    openfilepath = ""

    def __init__(self, parent, id, title):
        wx.Frame.__init__(self, parent, wx.ID_ANY, title, size=(600,400))
        self.textbox = wx.TextCtrl(self, 1, style=wx.TE_MULTILINE)
        self.textbox.SetFont(wx.Font(10, wx.FONTFAMILY_TELETYPE, wx.NORMAL, wx.NORMAL))
        self.CreateStatusBar()

        filemenu = wx.Menu()
        filemenu.Append(ID_NEW, "&New", "New Document")
        filemenu.Append(ID_OPEN, "&Open", "Open Document")
        filemenu.Append(ID_SAVE, "&Save", "Save Document")
        filemenu.Append(ID_SAVEAS, "S&ave As", "Save Document As")
        filemenu.AppendSeparator()
        filemenu.Append(ID_EXIT, "E&xit", "Exit wxE")

        helpmenu = wx.Menu()
        helpmenu.Append(ID_ABOUT, "&About", "About wxE")

        menubar = wx.MenuBar()
        menubar.Append(filemenu, "&File")
        menubar.Append(helpmenu, "&Help")

        wx.EVT_MENU(self, ID_ABOUT, self.about)
        wx.EVT_MENU(self, ID_EXIT, self.exit)
        wx.EVT_MENU(self, ID_SAVE, self.save)
        wx.EVT_MENU(self, ID_OPEN, self.open)
        wx.EVT_MENU(self, ID_NEW, self.new)
        wx.EVT_MENU(self, ID_SAVEAS, self.saveas)

        self.SetMenuBar(menubar)
        self.Show(True)

    def about(self, e):
        d = wx.MessageDialog(self, "wxE\nAn editor written in wxPython\nBarret Rennie, 2007\nPublic Domain", "About wxE", wx.OK)
        d.ShowModal()
        d.Destroy()

    def open(self, e):
        opend = wx.FileDialog(self, "Choose a file...", self.openfilepath, "", "*", wx.OPEN)
        if opend.ShowModal() == wx.ID_OK:
            self.openfilepath = opend.GetDirectory()
            self.openfile = opend.GetFilename()
            file = open(os.path.join(self.openfilepath, self.openfile), 'r')
            self.textbox.SetValue(file.read())
            file.close()
        opend.Destroy()

    def save(self, e):
        if not self.openfile:
            self.saveas(e)
        else:
            file = open(os.path.join(self.openfilepath, self.openfile), 'w')
            file.write(self.textbox.GetValue())
            file.close()

    def saveas(self, e):
        saved = wx.FileDialog(self, "Save file as...", self.openfilepath, self.openfile, "*", wx.SAVE)
        if saved.ShowModal() == wx.ID_OK:
            self.openfilepath = saved.GetDirectory()
            self.openfile = saved.GetFilename()
            file = open(os.path.join(self.openfilepath, self.openfile), 'w')
            file.write(self.textbox.GetValue())
            file.close
        saved.Destroy()

    def new(self, e):
        self.openfile = ""
        self.openfilepath = ""
        self.textbox.SetValue("")

    def exit(self, e):
        self.Close(True)


app = wx.PySimpleApp()
frame = Window(None, -1, "wxE")
app.MainLoop()