#!/usr/bin/python

import ri_widget
import ri_tk
import ri_seq
from xml.dom import minidom

import sys
import getopt

def print_usages():
    print 'Usages: %s [-b|--begin] xml_file_name' %sys.argv[0]

try:
    opts, args = getopt.getopt(sys.argv[1:], "b:", ["begin=",])
except getopt.GetoptError:
    print_usages()
    sys.exit(1)

begin_step=None
for opt, arg in opts:
    if opt in ('-b', '--begin'):
        begin_step = arg

if len(args):
    xmldoc = minidom.parse(args[0])
else:
    xmldoc = minidom.parse("../../xml/interface_t.xml")

ri_widget.construct(xmldoc.firstChild)
ri_seq.construct(xmldoc.firstChild)

base_widget_name = xmldoc.firstChild.attributes["base_widget"].value
ri_widget.init_display(base_widget_name)

main_sequence_name = xmldoc.firstChild.attributes["sequence"].value
main_sequence = ri_seq.dict[main_sequence_name]

if begin_step is None:
    begin_step = main_sequence.steps[0]
else:
    main_sequence.set_step(begin_step)
    
ri_widget.Widget.dict[begin_step].display()

ri_widget.mainloop()