codekasten/WKNcharts/wknGUI.py

#/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
	from threading import Thread
	configs = {}
	wkns = ""
	log = ""

	def __init__(self, gtk):
		self.gladefile = "wkncharts.glade"
		self.gtk = gtk
		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_choose_dstdir_clicked": self.clicked_choose_dstdir,		
			"on_bu_wget_charts_clicked": self.clicked_wget_charts,		
			"on_bu_pics_clicked": self.clicked_show_pics,
			"on_bu_exit_clicked": self.exit,
			"on_window1_destroy": self.exit 
		}
		self.wkngui.signal_autoconnect (actions)
		# read the config at program start
		self.clicked_read_settings(self)
		
	def clicked_wget_charts(self, widget):
		import getWKNcharts
		'''the real download logic is in getWKNcharts
		that's why, we let it read in the wkn file'''
		charts = getWKNcharts.WKNCharts()
		charts.readwkndictfromstring(self.wkns)
		## configure getWKNcharts
		charts.set_times(self.configs["times"])
		charts.set_dstdir(self.configs["tf_dstdir"])
		## downlaoding in threads, so the gui won't hang
		## giving it 'self', so that it can use the logging window
		self.Thread(target=charts.getallcharts,args=(self,)).start()
		## unthreaded version
		#charts.getallcharts(self)

	def clicked_read_settings(self, widget):
		configs = self.configs
		self.configs["maxloglevel"] = 3 ## 0:no logging; 1:errors; 2:status messages; 3:debug
		## textfield values are stored in 'configs'
		textfieldnames = ["tf_srcfile", "tf_dstdir"]
		for name in textfieldnames:
			## fill 'configs' with values from regarding textfields
			self.outputfield = self.wkngui.get_widget(name)
			self.textbuffer = self.outputfield.get_buffer()
			configs[name] = self.textbuffer.get_text(*self.textbuffer.get_bounds ())
		## checkboxes are also stored in 'configs'
		checkboxnames = {"cb_time1":30,"cb_time2":300,"cb_time3":10000,"cb_time4":30000,"cb_time5":100000}
		configs["times"] = []
		for name in checkboxnames.keys():
			if self.wkngui.get_widget(name).get_active():
				configs["times"].append(checkboxnames[name])
		self.add_log(("configs: %s %s" % (configs.keys(), configs.values())), 3)
		self.read_wknlist()
		self.check_dstdir()

	def read_wknlist(self):
		try:
			tmpfile = open(self.configs["tf_srcfile"], "r")
			filecontent = tmpfile.read()
			tmpfile.close()
			log = "\"%s\" erfolgreich eingelesen" % self.configs["tf_srcfile"]
			self.add_log(log, 2)
		except:
			log = "Achtung: Konnte \"%s\" nicht einlesen!" % self.configs["tf_srcfile"]
			self.add_log("verdammt: "+str(self.sys.exc_info()[0]),1)
			self.add_log(log, 1)
			raise

		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", 2)


	def clicked_cancel_settings(self, widget):
		'''TODO:'''
		self.add_log("da war age faul B)",2)

	def clicked_choose_srcfile(self, widget):
		import filechooser
		try:
			fcd = filechooser.FileChooserDialog()
			filename = fcd.getfilename()
		except:
			self.add_log("Dateiauswahl Dialog konnte nicht gestartet werden",1)
			self.add_log("verdammt: "+str(self.sys.exc_info()[0]),1)
			raise
		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 clicked_choose_dstdir(self, widget):
		gtk = self.gtk
		try:
			dialog = gtk.FileChooserDialog("Bilderverzeichnis auswaehlen..", \
				None, gtk.FILE_CHOOSER_ACTION_SELECT_FOLDER, \
				(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OPEN, gtk.RESPONSE_OK))
			dialog.set_default_response(gtk.RESPONSE_OK)
			response = dialog.run()
			if response == gtk.RESPONSE_OK:
				self.add_log("Verzeichnis: %s" % dialog.get_current_folder(),2)
			elif response == gtk.RESPONSE_CANCEL:
				self.add_log("Kein Verzeichnis ausgewaehlt",1)
			self.configs["tf_dstdir"] = dialog.get_current_folder()
			dialog.destroy()
			self.outputfield = self.wkngui.get_widget("tf_dstdir")
			self.textbuffer = self.outputfield.get_buffer()
			self.textbuffer.set_text(self.configs["tf_dstdir"])
		except:
			self.add_log("Dateiauswahl Dialog konnte nicht gestartet werden",1)
			self.add_log("verdammt: "+str(self.sys.exc_info()[0]),1)
			raise

	def check_dstdir(self):
		from os import path
		self.tf_wknlist = self.wkngui.get_widget("tf_dstdir")
		if self.configs["tf_dstdir"] and path.isdir(self.configs["tf_dstdir"]):
			self.outputfield = self.wkngui.get_widget("tf_dstdir")
			self.textbuffer = self.outputfield.get_buffer()
			self.textbuffer.set_text(self.configs["tf_dstdir"])
		else:
			self.add_log("Verzeichnis nicht gefunden",1)

	def add_log(self, text, loglevel=2):
		if int(loglevel) <= int(self.configs["maxloglevel"]):
			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 += " (L" + str(loglevel) + ") "
			self.log += text
			self.buffer.set_text(self.log)

	def set_progress(self, text, actual, max):
			self.progressbar = self.wkngui.get_widget("progressbar1")
			self.progressbar.set_text(str(text))
			self.gtk.threads_enter()
			self.progressbar.set_fraction(float(actual)/int(max))
			self.gtk.threads_leave()

	def clicked_show_pics(self, widget):
		'''this is just for a rapid prototype'''
		## set an image to display
		#self.ci = self.wkngui.get_widget("chartimage")
		#self.ci.set_from_file("foo.png")
		self.add_log("Bildbetrachter gestartet", 2)
		try:
			import pyview
			pv = pyview.PyView("pyview.glade","pyview",self.configs["tf_dstdir"])
			#pv.show_window
		except:
			self.add_log("konnte Bildbetrachter nicht laden", 1)
			self.add_log(str(self.sys.exc_info()[0]),1)
			raise

		
	def exit(self, widget):
		print "ciao ciao"
		self.sys.exit(1)