#!/usr/bin/python 
import sys, os
import gettext
BASE = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), ".."))
gettext.install("linuxcnc", localedir=os.path.join(BASE, "share", "locale"), unicode=True)

import linuxcnc, hal 
import rs274.options

LOGFILE = open('/tmp/manualtoolchange.log', 'w')
LOGFILE.write('Start\n')


linuxcncStat = linuxcnc.stat();
linuxcncCmd = linuxcnc.command()

def do_change(n):
    LOGFILE.write('in do_change - with tool '+str(n)+'\n')

    linuxcncStat.poll()
    curLine = linuxcncStat.current_line
    if n:
        message = _("Insert tool %d and click continue when ready") % n
    else:
        message = _("Remove the tool and click continue when ready")
    app.wm_withdraw()
    app.update()
    if curLine >=0:
        LOGFILE.write('in do_change - curLine more than 0 and is '+str(curLine)+'\n')
        linuxcncCmd.abort()
        h.changed = True    
        LOGFILE.write('in do_change - h.changed is '+str(h.changed)+'\n')
    app.tk.call("nf_dialog", ".tool_change", _("Tool change"), message, "info", 0, _("Continue"))
    LOGFILE.write('in do_change - dialog raised\n')

    if curLine >=0:
        linuxcncCmd.mode(linuxcnc.MODE_AUTO)
        linuxcncCmd.auto(linuxcnc.AUTO_RUN, curLine + 1)
        LOGFILE.write('in do_change - in if - linuxcnc.MODE_AUTO\n')
    else:
        h.changed = True    
        LOGFILE.write('in do_change - else if - set h.changed to True\n')
    LOGFILE.write('in do_change - h.changed is '+str(h.changed)+'\n')
    app.update()
    LOGFILE.write('in do_change - done\n')

h = hal.component("hal_manualtoolchange")
h.newpin("number", hal.HAL_S32, hal.HAL_IN)
h.newpin("change", hal.HAL_BIT, hal.HAL_IN)
h.newpin("changed", hal.HAL_BIT, hal.HAL_OUT)
h.ready()

LOGFILE.write('HAL Created\n')
LOGFILE.write('h.number = ')
LOGFILE.write(str(h.number))
LOGFILE.write('\n')
LOGFILE.write('h.change = ')
LOGFILE.write(str(h.change))
LOGFILE.write('\n')
LOGFILE.write('h.changed = ')
LOGFILE.write(str(h.changed))
LOGFILE.write('\n')


import Tkinter, nf, rs274.options

app = Tkinter.Tk(className="AxisToolChanger")
app.wm_geometry("-60-60")
app.wm_title(_("AXIS Manual Toolchanger"))
rs274.options.install(app)
nf.start(app); nf.makecommand(app, "_", _)
app.wm_protocol("WM_DELETE_WINDOW", app.wm_withdraw)
lab = Tkinter.Message(app, aspect=500, text = _("\
This window is part of the AXIS manual toolchanger.  It is safe to close\
or iconify this window, or it will close automatically after a few seconds."))
lab.pack()

def withdraw():
    LOGFILE.write('in withdraw...\n')
    app.wm_withdraw()
    app.bind("<Expose>", lambda event: app.wm_withdraw())

app.after(10 * 1000, withdraw)

try:
    while 1:
        LOGFILE.write('in While...\n')
        change = h.change
        if change and not h.changed:
            LOGFILE.write('in While... do_change\n')
            do_change(h.number)
        elif not change:
            LOGFILE.write('in While... elif not change\n')
            h.changed = False
        app.after(100)
        app.update()
    LOGFILE.write('done While.\n')
except KeyboardInterrupt:
    pass

LOGFILE.write('Closing...\n')
LOGFILE.close()