#/usr/bin/env python
__version__="0.3"
__author__="AGE"
__date__="02006-06-07"

class WknGUI:
	"""
	This is a GTK-Frontend for getWKNcharts.py
	"""
	import sys, time
	wkns = ""
	log = ""

	def __init__(self, gtk):
		self.gladefile = "wkncharts.glade"
		self.gtk = gtk
		self.gladefile = "wkncharts.glade"
		self.wkngui = self.gtk.glade.XML(self.gladefile)
		actions = { "on_read_settings_clicked": self.clicked_read_settings,		
			"on_cancel_settings_clicked": self.clicked_cancel_settings,		
			"on_choose_srcfile_clicked": self.clicked_choose_srcfile,		
			"on_bu_wget_charts_clicked": self.clicked_wget_charts,		
			"on_bu_exit_clicked": self.exit,
			"on_window1_destroy": self.exit 
		}
		self.wkngui.signal_autoconnect (actions)
		self.log += "\n"+self.time.strftime('%H:%M:%S')+" "
		self.log += "Programm gestartet "
		self.clicked_read_settings(self)
		
	def clicked_wget_charts(self, widget):
		import getWKNcharts
		from threading import Thread
		'''the real download logic lies in getWKNcharts
		that's why, we let it read in the wkn file'''
		charts = getWKNcharts.WKNCharts()
		charts.readwkndictfromstring(self.wkns)
		charts.set_times([30, 300])
		self.add_log("beginne Download der WKNS")
		## downlaoding in threads, so the gui won't hang
		Thread(target=charts.getallcharts,args=(self,)).start()
		## unthreaded version
		#charts.getallcharts(self)
		self.add_log("Download abgeschlossen")

	def clicked_read_settings(self, widget):
		self.outputfield = self.wkngui.get_widget("tf_srcfile")
		self.textbuffer = self.outputfield.get_buffer()
		file = self.textbuffer.get_text(*self.textbuffer.get_bounds ())
		try:
			tmpfile = open(file, "r")
			filecontent = tmpfile.read()
			tmpfile.close()
			self.add_log("%s erfolgreich eingelesen" % file)
		except:
			self.buffer.set_text(filecontent)
			self.log = "Achtung: Konnte %s nicht einlesen" % file 
		self.wkns = (filecontent)
		self.tf_wknlist = self.wkngui.get_widget("tf_wknlist")
		self.wknlistbuffer = self.tf_wknlist.get_buffer()
		self.wknlistbuffer.set_text(self.wkns)
		self.add_log("neue Einstellungen gespeichert")

	def clicked_cancel_settings(self, widget):
		'''TODO:
		self.add_log("alte Einstellungen wieder hergestellt")
		'''
		pass

	def clicked_choose_srcfile(self, widget):
		import filechooser
		fcd = filechooser.FileChooserDialog()
		filename = fcd.getfilename()
		self.outputfield = self.wkngui.get_widget("tf_srcfile")
		self.textbuffer = self.outputfield.get_buffer()
		if filename:
			self.textbuffer.set_text(filename)
		else:
			self.textbuffer.set_text("keine Datei ausgewaehlt")

	def add_log(self, text):
		self.logbuch = self.wkngui.get_widget("tf_logbook")
		self.buffer = self.logbuch.get_buffer()
		self.log += "\n"+self.time.strftime('%H:%M:%S')+" "
		self.log += text
		self.buffer.set_text(self.log)
		
	def exit(self, widget):
		print "ciao ciao"
		self.sys.exit(1)