#!/usr/bin/env python

import linuxcnc
import os
import hal
import hal_glib
from gladevcp.persistence import IniFile,widget_defaults,set_debug,select_widgets

class HandlerClass:

	def __init__(self, halcomp,builder,useropts):
		self.halcomp = halcomp
		self.builder = builder
		self.useropts = useropts
		self.defaults = {
			# the following names will be saved/restored as method attributes
			# the save/restore mechanism is strongly typed - the variables type will be derived from the type of the
			# initialization value. Currently supported types are: int, float, bool, string
			IniFile.vars : { 'Travel_Offset' : 1.11, 'ArcOK_Timeout' : 1.22, 'Gap_Distance' : 0.333 },
			# Retains all HAL output widgets' state:
			IniFile.widgets: widget_defaults(select_widgets(self.builder.get_objects(), hal_only=True,output_only = True)),
			}

		#self.defaults = {  # these will be saved/restored as method attributes
 			#IniFile.vars: { 'nhits' : 0, 'lifetime_ticks': 0, 'a': 1.67, 'd': True, 'c' :  "a string"},
 			# we're interested restoring state to output HAL widgets only
			# NB: this does NOT restore state pf plain gtk objects - set hal_only to False to do this
			#IniFile.widgets: widget_defaults(select_widgets(self.builder.get_objects(), hal_only=True,output_only = True)),
			#}


		self.ini_filename = __name__ + '.ini'
		print self.ini_filename
		self.ini = IniFile(self.ini_filename,self.defaults,self.builder)
		self.ini.restore_state(self)

		self.builder.get_object('hal_spinbutton1').set_value(self.Travel_Offset)
		self.builder.get_object('hal_spinbutton2').set_value(self.ArcOK_Timeout)
		self.builder.get_object('hal_spinbutton3').set_value(self.Gap_Distance)

	def on_window1_destroy(self,obj,data=None):
		self.set_value(self.Travel_Offset,self.ArcOK_Timeout,self.Gap_Distance)
		print "on_destroy() - saving state)"
		self.ini.save_state(self)

	def on_hal_led1_realize(self,widget):
		widget.set_blink_rate(150)

	def on_hal_led7_realize(self,widget):
		widget.set_blink_rate(300)

def get_handlers(halcomp,builder,useropts):
	print "get_handlers"
       	return [HandlerClass(halcomp,builder,useropts)]