# #####################################################
# Simple Python Terminal
# Interface class
#
# Copyright 2010 - myBitBox.com
# License granted for non-commercial use
#
# #####################################################

#!/usr/bin/python

from Tkinter import * 
import sys, os, threading
from time import gmtime, strftime
import tkSimpleDialog

class TerminalGUI(Frame):

    def __init__(self, parent=None, text=''):
    
        self.version_info = "1.1"
    
        self.write_lock = threading.Lock()
    
        Frame.__init__(self, parent)
        self.pack(expand=YES, fill=BOTH)                 
        self.makewidgets()
        self.clear()
        self.header()

    def header(self):
        self.addline_raw("================================================")
        self.addline_raw("Python Terminal Program")
        self.addline_raw("Version %s" % self.version_info)
        self.addline_raw("================================================")

    def makewidgets(self):
        sbar = Scrollbar(self)
        text = Text(self, relief=SUNKEN)
        sbar.config(command=text.yview)               
        text.config(yscrollcommand=sbar.set)           
        sbar.pack(side=RIGHT, fill=Y)                 
        text.pack(side=LEFT, expand=YES, fill=BOTH)  
        
        text.tag_config("type1", background="yellow", foreground="red")
        text.tag_config("type2", foreground="blue")
        
        self.text_format = ""
        
        self.text = text

    def clear(self):
        self.text.delete('1.0', END)
        self.text.mark_set(INSERT, '1.0')
        self.text.focus()
 
    def addline_raw(self,txt):
        self.addline(txt,format=False,prompt=False)

    def addline(self, txt, format=True, endreturn=True,prompt=True ):
        self.write_lock.acquire()

        if format == True:
            self.text.insert('end',strftime("\n%d %b %H:%M:%S >", gmtime()));
            self.text.insert('end',("%s" %txt),self.text_format)
        else:
            self.text.insert('end',("%s" %txt),self.text_format)
        if(endreturn):
            self.text.insert('end','\n')
            if prompt:
                self.prompt()
        self.text.mark_set(INSERT, 'end')
        self.text.see(END)
        
        self.write_lock.release()
        
        return

    def format(self, type):
        
        if type == 1:
            self.text_format = "type1"
        elif type == 2:
            self.text_format = "type2"
        else:
            self.text_format = ""
            
        return

    def prompt(self):
        self.text.insert('end',strftime("%d %b %H:%M:%S >", gmtime()))
        return

    def question(self,txt = "Enter value"):
        return tkSimpleDialog.askstring(title = "Enter Value", prompt = txt)

    def exit(self):
        self.destroy()

"""
# Examples of how to interface to terminal
def keybd(event):
    if os.name == 'nt':
        badkeys = [17,18,17,18,92,91,16,8]    # CTRL, ALT, WIN, SHIFT, BACKSPACE
    elif os.name == 'posix':
        badkeys = [64,37,105,108,8]    # CTRL, ALT, WIN, SHIFT, BACKSPACE
    #print event.keycode
    #ignore CTRL and ALT
    if event.keycode in badkeys: return
    
    run(event.keysym,keycode = event.keycode)
    
    return

def run(key, keycode = 0):
    key = key.upper();
    if key == 'Z':
        result = win.question("Enter Z value:");
        win.addline("Running Z with arg %s" % result)
    elif key == 'Q':
        win.exit()
    elif key == 'H':
        win.help()
        win.prompt()
    elif keycode == 192:
        win.clear()
        win.header()
        win.prompt()
    else:
        win.addline("Unknown Command")
    return


if __name__ == '__main__':
    root = Tk()
    win = TerminalGUI()
    root.bind('<Key>', keybd)
    root.mainloop()
    print "** Terminal Exit  **"
"""