[FoLUG] Screenlets > Calendar

[Raffaele Ravaioli]

Il codice seguente è quello relativo allo screenlet "Calendar".
Ho già cambiato i giorni della settimana dall'inglese all'italiano. 
(grande programmatore!) :-)
Come dovrei cambiarlo per far sì che nella visualizzazione il primo 
giorno sia lunedì anziché domenica?

Grazie.
PS. É puramente un esercizio per cercare di capirci qualcosa non che sia 
una vera e propria necessità... vivo lo stesso anche se la settimana 
iniziasse di mercoledì. D'altronde quel po' che so di visual basic l'ho 
imparato così, giocando con le routine di altri per comprendere come 
funzionano le cose.)

Ciao

#!/usr/bin/env python

# This application is released under the GNU General Public License
# v3 (or, at your option, any later version). You can find the full
# text of the license under http://www.gnu.org/licenses/gpl.txt.
# By using, editing and/or distributing this software you agree to
# the terms and conditions of this license.
# Thank you for using free software!

#  CalendarScreenlet (c) robgig1088 2007
#
# INFO:
# -
#

import screenlets
import cairo
import pango
import datetime

class CalendarScreenlet (screenlets.Screenlet):
	"""A simple Calendar Screenlet."""
	
	# default meta-info for Screenlets
	__name__	= 'CalendarScreenlet'
	__version__	= '0.3'
	__author__	= 'RYX (initial version by robgig1088)'
	__desc__	= __doc__

	# constructor
	def __init__(self, **keyword_args):
		# call super
		screenlets.Screenlet.__init__(self, uses_theme=True, **keyword_args)
		# set some options
		self.text_shadow_offset = 0.666
		# set theme
		self.theme_name = "ryx"

	def on_init (self):
		print "Screenlet has been initialized."
		# add default menuitems
		self.add_default_menuitems()	
		
	def get_date_info(self):
		now = datetime.datetime.now()
		#get day
		day = now.strftime("%d")
		#get the month number
		month_num = now.strftime("%m")
		# get the year
		year = now.strftime("%Y")
		 #get the month name
		month_name = now.strftime("%B")
		#make a date (1st of month)
		when = datetime.date(int(year), int(month_num), int(1))
		# get the first day of the month (mon, tues, etc..)
		first_day = when.strftime("%A")
		# find number of days in the month
		if month_num in (1, 3, 5, 7, 8, 10, 12):
			days_in_month = 31
		elif month_num <> 2:
			days_in_month = 30
		elif year%4 == 0:
			days_in_month = 29
		else:
			days_in_month = 28
		#find the first day of the month
		start_day = int(when.strftime("%u"))
		if start_day == 7:				# and do calculations on it...
			start_day = 0
		start_day = start_day + 1
		# return the whole stuff
		return [day, month_num, year, month_name, days_in_month,
			first_day, start_day]
	
	def draw_year_and_month (self, ctx, pl, year, month):
		ctx.save()
		ctx.translate(5 + self.text_shadow_offset, 5 + self.text_shadow_offset)
		# draw the month
		pl.set_width((self.width) * pango.SCALE)
		pl.set_markup('<b>' + month + '</b>')
		ctx.set_source_rgba(0, 0, 0, 0.3)
		ctx.show_layout(pl)
		ctx.translate(-self.text_shadow_offset, -self.text_shadow_offset)
		ctx.set_source_rgba(1, 1, 1, 0.8)
		ctx.show_layout(pl)
		# draw the year
		ctx.translate(70 + self.text_shadow_offset, self.text_shadow_offset)
		pl.set_markup('<b>' + year + '</b>')
		ctx.set_source_rgba(0, 0, 0, 0.3)
		ctx.show_layout(pl)
		ctx.translate(-self.text_shadow_offset, -self.text_shadow_offset)
		ctx.set_source_rgba(1, 1, 1, 0.8)
		ctx.show_layout(pl)
		ctx.restore()
	
	def draw_header (self, ctx, pl):
		ctx.save()
		ctx.translate(5 + self.text_shadow_offset, 17 + self.text_shadow_offset)
		pl.set_markup('<b>' + "Do  Lu  Ma  Me  Gi  Ve  Sa" + '</b>')
		ctx.set_source_rgba(0, 0, 0, 0.3)
		ctx.show_layout(pl)
		ctx.translate(-self.text_shadow_offset, -self.text_shadow_offset)
		ctx.set_source_rgba(1, 1, 1, 0.8)
		ctx.show_layout(pl)
		ctx.restore()
	
	def draw_days (self, ctx, pl, date):
		#ctx.translate(-5, 0)
		row = 1
		day = int(date[6])
		tso = self.text_shadow_offset
		for x in range(date[4] + 1):
			ctx.save()
			ctx.translate(4 + (day-1) * 13 + tso, 30 + 12 * (row - 1) + tso)
			if str(int(x)+1) == str(date[0]) or \
				"0" + str(int(x)+1) == str(date[0]):
				ctx.save()
				ctx.translate(0, -1)
				self.theme.render(ctx, 'calendar-day-bg')
				ctx.restore()
			if int(x)+1 < 10:
				# draw the days
				pl.set_markup('<b>' + " 0" + str(x+1) + '</b>')
			else:
				pl.set_markup('<b>' + " " + str(x+1) + '</b>')
			ctx.set_source_rgba(0, 0, 0, 0.3)
			ctx.show_layout(pl)
			ctx.translate(-tso, -tso)
			ctx.set_source_rgba(1, 1, 1, 0.8)
			ctx.show_layout(pl)
			if day == 7:
				day = 0
				row = row + 1
			day = day + 1
			ctx.restore()
	
	def on_draw (self, ctx):
		# get dates
		date = self.get_date_info()
		# set size
		ctx.scale(self.scale, self.scale)
		# draw bg (if theme available)
		ctx.set_operator(cairo.OPERATOR_OVER)
		if self.theme:
			# render bg
			self.theme.render(ctx, 'calendar-bg')
			# create layout
			p_layout = ctx.create_layout()
			p_fdesc = pango.FontDescription("Free Sans 5")
			p_layout.set_font_description(p_fdesc)
			# draw year/month
			self.draw_year_and_month(ctx, p_layout, date[2], date[3])
			# draw header
			self.draw_header(ctx, p_layout)
			# draw days
			self.draw_days(ctx, p_layout, date)
		
	def on_draw_shape(self,ctx):
		ctx.scale(self.scale, self.scale)
		if self.theme:
			self.theme.render(ctx, 'calendar-bg')

	
# If the program is run directly or passed as an argument to the python
# interpreter then create a Screenlet instance and show it
if __name__ == "__main__":
	import screenlets.session
	screenlets.session.create_session(CalendarScreenlet)