#-------------------------------------------------------------------------------
# Name:        robowidgets
# Purpose:
#
# Author:      dccharacter
#
# Created:     10.03.2012
# Copyright:   (c) dccharacter 2012
# Licence:     <your licence>
#-------------------------------------------------------------------------------
#!/usr/bin/env python

import serial
from serial.tools.list_ports_windows import comports
from tkinter import *
from tkinter.ttk import *

class comPortWidget(LabelFrame, serial.Serial):

    commonComPortSpeeds = ["1200", "2400", "4800", "9600", "14400", "19200", "38400", "57600", "115200"]

    def __init__(self, master=None, cnf={}, **kw):
        """Construct a comPortWidget widget with the parent MASTER.

        STANDARD OPTIONS

            borderwidth, cursor, font, foreground,
            highlightbackground, highlightcolor,
            highlightthickness, padx, pady, relief,
            takefocus, text, background, class, colormap, container,
            height, labelanchor, labelwidget,
            visual, width

        WIDGET-SPECIFIC OPTIONS


        """
        self.master = master
        LabelFrame.__init__(self, master, text="Serial settings", *cnf, **kw)
        serial.Serial.__init__(self)
        self.parent = master
        self.draw()

    def draw(self):
        self.strVarComPort = StringVar()
        self.comboComport = Combobox(self,
            textvariable=self.strVarComPort)

        self.comboComport.grid(row=0, column=1)
        self.labelComportName = Label(self, text="Com port:")
        self.labelComportName.grid(row=0, column=0)

        self.strVarComSpeed = StringVar()
        self.comboComSpeed = Combobox(self,
            textvariable=self.strVarComSpeed, values=self.commonComPortSpeeds)
        self.comboComSpeed.current(len(self.commonComPortSpeeds)-1)
        self.comboComSpeed.grid(row=1, column=1)
        self.labelComSpeed = Label(self, text="Com speed:")
        self.labelComSpeed.grid(row=1, column=0)

        self.buttonComOpen = Button(self, text="Open port", command=self.openPort)
        self.buttonComOpen.grid(row=0, column=2)
        self.buttonComClose = Button(self, text="Close port", command=self.closePort)
        self.buttonComClose.grid(row=1, column=2)
        self.buttonRefreshPorts = Button(self, text="Re", width=3, command=self.refreshComPortsCombo)
        ##self.buttonRefreshPorts.grid(row=0, column=2)

        self.refreshComPortsCombo()

    def refreshComPortsCombo(self):
        listComs = self.enumerateComPorts()
        if not listComs:
            listComs.append("No com ports found")
            self.disableControls(~self.isOpen())
            self.buttonComClose.configure(state=DISABLED)
        else:
            self.disableControls(self.isOpen())
        self.buttonRefreshPorts.configure(state=NORMAL)
        self.comboComport.config(values=listComs)
        self.comboComport.current(len(listComs)-1)
        ##self.after(500, func=self.refreshComPortsCombo)

    def enumerateComPorts(self):
        """
        Returns the list ofcom port names in the system or an empty list if
        no ports found
        """
        listComs = []
        for port, desc, hwid in sorted(comports()):
            listComs.append(port)
        return listComs

    def openPort(self):
        if self.isOpen():
            return
        self.port = self.comboComport.get()
        self.baudrate = int(self.comboComSpeed.get())
        self.timeout = 1
        try:
            self.open()
            self.disableControls(self.isOpen())
        except IOError:
            pass

    def closePort(self):
        if self.isOpen():
            self.flush()
            self.close()
            self.disableControls(self.isOpen())

    def disableControls(self, isConnected):
        if isConnected:
            self.labelComportName.configure(state=DISABLED)
            self.labelComSpeed.configure(state=DISABLED)
            self.comboComport.configure(state=DISABLED)
            self.comboComSpeed.configure(state=DISABLED)
            self.buttonComClose.configure(state=NORMAL)
            self.buttonComOpen.configure(state=DISABLED)
            self.buttonRefreshPorts.configure(state=DISABLED)
        else:
            self.labelComportName.configure(state=NORMAL)
            self.labelComSpeed.configure(state=NORMAL)
            self.comboComport.configure(state=NORMAL)
            self.comboComSpeed.configure(state=NORMAL)
            self.buttonComClose.configure(state=DISABLED)
            self.buttonComOpen.configure(state=NORMAL)
            self.buttonRefreshPorts.configure(state=NORMAL)

def main():
    import RouterPower
    RouterPower.main()

if __name__ == '__main__':
    main()