From 02367bd39d33cee61c799a20ba0ffecb5cdfc872 Mon Sep 17 00:00:00 2001
From: flavio <fdanesse@gmail.com>
Date: Fri, 24 Feb 2012 23:55:56 +0000
Subject: Luna

---
(limited to 'Moonwidgets.py')

diff --git a/Moonwidgets.py b/Moonwidgets.py
new file mode 100644
index 0000000..f03788f
--- /dev/null
+++ b/Moonwidgets.py
@@ -0,0 +1,564 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Copyright 2008 Gary C. Martin
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+# Activity web site: http://wiki.laptop.org/go/Moon
+# Created: Febuary 2008
+# Author: gary@garycmartin.com
+# Home page: http://www.garycmartin.com/
+
+#	Febrero 2012
+# Correcciones, Simplificación y Reestructuración Modular:
+# Desarrollo de CalendarButton + MoonCalendar:
+# Instalador y Portado a gnome:
+#	Flavio Danesse <fdanesse@gmail.com> CeibalJAM! - Uruguay - Activity Central
+# Traducciones a Español:
+# 	Ana Cichero <ana.cichero@gmail.com> CeibalJAM! - Uruguay
+
+import gtk, pygtk, gobject, math, time, os, calendar
+from gettext import gettext as _
+import MoonGlobals as MG
+
+class CalendarButton(gtk.EventBox):
+	__gsignals__ = {"clicked":(gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT, )),
+	"clickederecho":(gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT, ))}
+	def __init__(self, anio, mes, d, hora):
+		gtk.EventBox.__init__(self)
+		self.set_visible_window(True)
+		self.modify_bg(gtk.STATE_NORMAL, MG.BACKGROUND)
+
+		self.add_events(gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK |
+			gtk.gdk.POINTER_MOTION_MASK | gtk.gdk.ENTER_NOTIFY_MASK | gtk.gdk.LEAVE_NOTIFY_MASK)
+
+		self.imagen_size = 50
+		self.image_pixmap = None
+		self.moon_stamp = gtk.gdk.pixbuf_new_from_file(os.path.join(MG.ICONOS,"moon.jpg"))
+	        self.image = gtk.Image()
+		self.fixed = gtk.Fixed()
+
+		self.hemisphere_view = 'Sur'
+		self.show_grid = False
+
+		self.fixed.put(self.image, 0, 0)
+
+		self.add(self.fixed)
+		self.show_all()
+
+		self.anio, self.mes, self.dia, self.hora = anio, mes, d, hora
+		self.hoy = "%s-%s-%s %s" % (self.anio, self.mes, self.dia, self.hora)
+		if self.dia > 0:
+			self.ahora = time.mktime(time.strptime(self.hoy, MG.format))
+			#self.data_model.update_moon_calculations(ahora) # para recalcular la fase
+			self.data_model = DataModel(self.ahora)
+			dias= []
+			for d in calendar.day_name:
+				if d: dias.append(d)
+			meses= []
+			for m in calendar.month_name:
+				if m: meses.append(m)
+			t = time.strptime(self.hoy, MG.format)
+			mes= meses[t.tm_mon -1]
+			dia= dias[t.tm_wday]
+			fecha= "%s %s de %s de %s" % (dia, self.dia, mes, self.anio)
+			self.set_tooltip(fecha)
+			label = gtk.Label(str(self.dia))
+			label.modify_fg(gtk.STATE_NORMAL, MG.FOREGROUND)
+			self.fixed.put(label, 0, 0)
+
+			self.connect("button_press_event", self.button_press)
+			self.connect("button_release_event", self.button_release)
+			self.connect("enter-notify-event", self.enter_notify_event)
+			self.connect("leave-notify-event", self.leave_notify_event)
+
+	# --------------------------- EVENTOS --------------------------
+	def button_release(self, widget, event):
+		pass
+	def leave_notify_event(self, widget, event):
+		pass
+	def enter_notify_event(self, widget, event):
+		pass
+	def button_press(self, widget, event):
+		if event.button == 1:
+			self.emit("clicked", event)
+		if event.button == 3:
+			self.emit("clickederecho", event)
+	# --------------------------- EVENTOS --------------------------
+
+	# --------------------------- SETEOS ---------------------------
+	def set_tooltip(self, texto):
+		tooltips = gtk.Tooltips()
+		tooltips.set_tip(self, texto, tip_private=None)
+	# --------------------------- SETEOS ---------------------------
+
+	def toggle_grid_clicked(self, widget= None):
+		if self.show_grid == True:
+		    self.show_grid = False
+		else:
+		    self.show_grid = True
+
+	def toggle_hemisphere_clicked(self, widget= None):
+		if self.hemisphere_view == 'Norte':
+		    self.hemisphere_view = 'Sur'
+		else:
+		    self.hemisphere_view = 'Norte'
+
+	def repaint(self, tamanioboton):
+		if tamanioboton != self.imagen_size:
+			self.imagen_size = tamanioboton
+			if self.dia > 0:
+				self.actualizar()
+
+	def actualizar(self):
+		if self.dia <= 0: return
+		self.image_pixmap = gtk.gdk.Pixmap(self.window, self.imagen_size, self.imagen_size)
+		gc = self.image_pixmap.new_gc(foreground=MG.BACKGROUND)
+		self.image.set_from_pixmap(self.image_pixmap, None)
+		self.image_pixmap.draw_rectangle(gc, True, 0, 0, self.imagen_size, self.imagen_size)
+		        
+		# Create a 1bit shadow mask
+		mask_pixmap = gtk.gdk.Pixmap(None, self.imagen_size, self.imagen_size, depth=1)
+		kgc = mask_pixmap.new_gc(foreground=MG.BACKGROUND)
+		wgc = mask_pixmap.new_gc(foreground=MG.FOREGROUND)
+		mask_pixmap.draw_rectangle(kgc, True, 0, 0, self.imagen_size, self.imagen_size)
+
+		if self.data_model.phase_of_moon <= .25:
+		    #print "New Moon to First Quarter"
+		    phase_shadow_adjust = self.data_model.phase_of_moon - abs(math.sin(self.data_model.phase_of_moon * math.pi * 4) / 18.0)
+		    arc_scale = int(self.imagen_size * (1 - (phase_shadow_adjust * 4)))
+		    mask_pixmap.draw_rectangle(wgc, True, self.imagen_size/2 + 1, 0, self.imagen_size/2, self.imagen_size - 1)
+		    mask_pixmap.draw_arc(kgc, True, self.imagen_size/2 - int(arc_scale / 2), 0, arc_scale, self.imagen_size, 17280, 11520)
+		elif self.data_model.phase_of_moon <= .5:
+		    #print "First Quarter to Full Moon"
+		    phase_shadow_adjust = self.data_model.phase_of_moon + abs(math.sin(self.data_model.phase_of_moon * math.pi * 4) / 18.0)
+		    arc_scale = int(self.imagen_size * ((phase_shadow_adjust - .25) * 4))
+		    mask_pixmap.draw_rectangle(wgc, True, self.imagen_size/2, 0, self.imagen_size/2, self.imagen_size)
+		    mask_pixmap.draw_arc(wgc, True, self.imagen_size/2 - int(arc_scale / 2), 0, arc_scale, self.imagen_size, 5760, 11520)
+		elif self.data_model.phase_of_moon <= .75:
+		    #print "Full Moon to Last Quarter"
+		    phase_shadow_adjust = self.data_model.phase_of_moon - abs(math.sin(self.data_model.phase_of_moon * math.pi * 4) / 18.0)
+		    arc_scale = int(self.imagen_size * (1 - ((phase_shadow_adjust - .5) * 4)))
+		    mask_pixmap.draw_rectangle(wgc, True, 0, 0, self.imagen_size/2 + 1, self.imagen_size)
+		    mask_pixmap.draw_arc(wgc, True, self.imagen_size/2 - int(arc_scale / 2), 0, arc_scale, self.imagen_size, 17280, 11520)
+		else:
+		    #print "Last Quarter to New Moon"
+		    phase_shadow_adjust = self.data_model.phase_of_moon + abs(math.sin(self.data_model.phase_of_moon * math.pi * 4) / 18.0)
+		    arc_scale = int(self.imagen_size * ((phase_shadow_adjust - .75) * 4))
+		    mask_pixmap.draw_rectangle(wgc, True, 0, 0, self.imagen_size/2, self.imagen_size) # mitad de luna blanca
+		    mask_pixmap.draw_arc(kgc, True, self.imagen_size/2 - int(arc_scale / 2), 0, arc_scale, self.imagen_size, 5760, 11520)
+
+		maskgc = self.image_pixmap.new_gc(clip_mask=mask_pixmap)
+		moon_pixbuf = self.moon_stamp.scale_simple(self.imagen_size, self.imagen_size, gtk.gdk.INTERP_BILINEAR)
+
+		# Composite bright Moon image and semi-transparant Moon for shadow detail
+		dark_pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, True, 8, self.imagen_size, self.imagen_size)
+		dark_pixbuf.fill(0x00000000)
+
+		uno = (self.data_model.next_lunar_eclipse_sec == -1 and self.data_model.last_lunar_eclipse_sec > 7200)
+		dos = (self.data_model.next_lunar_eclipse_sec > 7200 and self.data_model.last_lunar_eclipse_sec == -1)
+		tres = min(self.data_model.next_lunar_eclipse_sec, self.data_model.last_lunar_eclipse_sec) > 7200
+		if uno or dos or tres:
+		    #print "Normal Moon phase render"
+		    moon_pixbuf.composite(dark_pixbuf, 0, 0, self.imagen_size, self.imagen_size, 0, 0, 1, 1, gtk.gdk.INTERP_BILINEAR, 127)
+		    self.image_pixmap.draw_pixbuf(gc, dark_pixbuf, 0, 0, 0, 0) # parte oscura
+		    self.image_pixmap.draw_pixbuf(maskgc, moon_pixbuf, 0, 0, 0, 0) # parte iluminada
+
+		else:
+		    #print "Reddening eclipse effect, 2hrs (7200sec) before and after (by masking out green & blue)"
+		    if self.data_model.next_lunar_eclipse_sec == -1:
+		        eclipse_alpha = self.data_model.last_lunar_eclipse_sec / 7200.0 * 256
+		    elif self.data_model.last_lunar_eclipse_sec == -1:
+		        eclipse_alpha = self.data_model.next_lunar_eclipse_sec / 7200.0 * 256
+		    else:
+		        eclipse_alpha = min(self.data_model.next_lunar_eclipse_sec,
+				self.data_model.last_lunar_eclipse_sec) / 7200.0 * 256
+
+		    moon_pixbuf.composite(dark_pixbuf, 0, 0, self.imagen_size, self.imagen_size,
+				0, 0, 1, 1, gtk.gdk.INTERP_BILINEAR, int(196 - eclipse_alpha / 2))
+
+		    self.image_pixmap.draw_pixbuf(gc, dark_pixbuf, 0, 0, 0, 0)
+
+		    del dark_pixbuf
+		    dark_pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, True, 8, self.imagen_size, self.imagen_size)
+		    moon_pixbuf.composite(dark_pixbuf, 0, 0, self.imagen_size, self.imagen_size,
+			0, 0, 1, 1, gtk.gdk.INTERP_BILINEAR, int(eclipse_alpha))
+		    rgc = self.image_pixmap.new_gc(foreground=MG.BLUEGREENMASK, function=gtk.gdk.AND)
+		    self.image_pixmap.draw_rectangle(rgc, True, 0, 0, self.imagen_size, self.imagen_size)
+		    self.image_pixmap.draw_pixbuf(gc, dark_pixbuf, 0, 0, 0, 0)
+
+		if self.hemisphere_view == 'Sur':
+		    #print "Rotate final image for a view from Norte or Sur hemisphere"
+		    rot_pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, self.imagen_size, self.imagen_size)
+		    rot_pixbuf.get_from_drawable(self.image_pixmap, self.image_pixmap.get_colormap(), 0, 0, 0, 0, -1, -1)
+		    rot_pixbuf = rot_pixbuf.rotate_simple(gtk.gdk.PIXBUF_ROTATE_UPSIDEDOWN)
+		    self.image_pixmap.draw_pixbuf(gc, rot_pixbuf, 0, 0, 0, 0)
+
+		if self.show_grid:
+		    # Draw grid rotated for Sur hemi
+		    self.draw_grid(_("SNWE"))
+		elif self.show_grid:
+		    # Draw grid for Norte hemi
+		    self.draw_grid(_("NSEW"))
+
+	def draw_grid(self, compass_text):
+		# Draw Selenographic grid line data.
+		rgc = self.image_pixmap.new_gc(foreground=MG.RED)
+		bgc = self.image_pixmap.new_gc(foreground=MG.BLUE)
+		wgc = self.image_pixmap.new_gc(foreground=MG.FOREGROUND)
+		pango_layout = self.image.create_pango_layout("")
+		pango_layout.set_text("0°")
+		self.image_pixmap.draw_rectangle(bgc, True, self.imagen_size/2 + 2, self.imagen_size/2, 24, 22)            
+		self.image_pixmap.draw_layout(wgc, self.imagen_size/2 + 2, self.imagen_size/2, pango_layout)            
+		pango_layout.set_text("30°")
+		self.image_pixmap.draw_rectangle(bgc, True, self.imagen_size/2 + 2, int(self.imagen_size/2 * 0.5), 36, 22)            
+		self.image_pixmap.draw_rectangle(bgc, True, self.imagen_size/2 + 2, int(self.imagen_size/2 * 1.5), 36, 22)            
+		self.image_pixmap.draw_layout(wgc, self.imagen_size/2 + 2, int(self.imagen_size/2 * 0.5), pango_layout)            
+		self.image_pixmap.draw_layout(wgc, self.imagen_size/2 + 2, int(self.imagen_size/2 * 1.5), pango_layout)            
+		pango_layout.set_text("60°")
+		self.image_pixmap.draw_rectangle(bgc, True, self.imagen_size/2 + 2, int(self.imagen_size/2 * 0.15), 36, 22)            
+		self.image_pixmap.draw_rectangle(bgc, True, self.imagen_size/2 + 2, int(self.imagen_size/2 * 1.85), 36, 22)            
+		self.image_pixmap.draw_layout(wgc, self.imagen_size/2 + 2, int(self.imagen_size/2 * 0.15), pango_layout)            
+		self.image_pixmap.draw_layout(wgc, self.imagen_size/2 + 2, int(self.imagen_size/2 * 1.85), pango_layout)            
+		pango_layout.set_text("30°")
+		self.image_pixmap.draw_rectangle(rgc, True, int(self.imagen_size/2 * 0.48) + 2, self.imagen_size/2, 36, 22)            
+		self.image_pixmap.draw_rectangle(rgc, True, int(self.imagen_size/2 * 1.52) + 2, self.imagen_size/2, 36, 22)            
+		self.image_pixmap.draw_layout(wgc, int(self.imagen_size/2 * 0.48) + 2, self.imagen_size/2, pango_layout)            
+		self.image_pixmap.draw_layout(wgc, int(self.imagen_size/2 * 1.52) + 2, self.imagen_size/2, pango_layout)            
+		pango_layout.set_text("60°")
+		self.image_pixmap.draw_rectangle(rgc, True, int(self.imagen_size/2 * 0.15) + 2, self.imagen_size/2, 36, 22)            
+		self.image_pixmap.draw_rectangle(rgc, True, int(self.imagen_size/2 * 1.85) + 2, self.imagen_size/2, 36, 22)            
+		self.image_pixmap.draw_layout(wgc, int(self.imagen_size/2 * 0.15) + 2, self.imagen_size/2, pango_layout)            
+		self.image_pixmap.draw_layout(wgc, int(self.imagen_size/2 * 1.85) + 2, self.imagen_size/2, pango_layout)            
+		for i in (-1, 0, 1):
+		    self.image_pixmap.draw_line(rgc, self.imagen_size/2 + i, 0, self.imagen_size/2 + i, self.imagen_size)
+		    self.image_pixmap.draw_arc(rgc, False, int(self.imagen_size/2 * 0.15) + i, 0,
+			self.imagen_size - int(self.imagen_size * 0.15), self.imagen_size, 0, 360*64)
+		    self.image_pixmap.draw_arc(rgc, False, int(self.imagen_size/2 * 0.48) + i, 0,
+			self.imagen_size - int(self.imagen_size * 0.48) , self.imagen_size, 0, 360*64)
+		for i in (-1, 0, 1):
+		    self.image_pixmap.draw_line(bgc, 0, self.imagen_size/2 + i, self.imagen_size, self.imagen_size/2 + i)
+		    self.image_pixmap.draw_line(bgc, int(self.imagen_size/2 * 0.15), int(self.imagen_size/2 * 0.5) + i,
+			self.imagen_size - int(self.imagen_size/2 * 0.15), int(self.imagen_size/2 * 0.5) + i)
+		    self.image_pixmap.draw_line(bgc, int(self.imagen_size/2 * 0.15), int(self.imagen_size/2 * 1.5) + i,
+			self.imagen_size - int(self.imagen_size/2 * 0.15), int(self.imagen_size/2 * 1.5) + i)
+		    self.image_pixmap.draw_line(bgc, int(self.imagen_size/2 * 0.5), int(self.imagen_size/2 * 0.15) + i,
+			self.imagen_size - int(self.imagen_size/2 * 0.5), int(self.imagen_size/2 * 0.15) + i)
+		    self.image_pixmap.draw_line(bgc, int(self.imagen_size/2 * 0.5), int(self.imagen_size/2 * 1.85) + i,
+			self.imagen_size - int(self.imagen_size/2 * 0.5), int(self.imagen_size/2 * 1.85) + i)
+
+		pango_layout.set_text(_("Latitude"))
+		self.image_pixmap.draw_layout(bgc, 15, self.imagen_size - 48 - 15, pango_layout)
+		pango_layout.set_text(_("Longitude"))
+		self.image_pixmap.draw_layout(rgc, 15, self.imagen_size - 24 - 15, pango_layout)
+
+		# Compass
+		# TODO: fix string index to support multi-byte texts
+		for i in (-1, 0, 1):
+		    self.image_pixmap.draw_line(rgc, 22 + 15, 48 + 15 + i, 68 + 15, 48 + 15 + i)
+		for i in (-1, 0, 1):
+		    self.image_pixmap.draw_line(bgc, 45 + 15 + i, 24 + 15, 45 + 15 + i, 68 + 15)
+		pango_layout.set_text(compass_text[0])
+		self.image_pixmap.draw_layout(bgc, 38 + 15, 15, pango_layout)
+		pango_layout.set_text(compass_text[1])
+		self.image_pixmap.draw_layout(bgc, 38 + 15, 72 + 15, pango_layout)
+		pango_layout.set_text(compass_text[2])
+		self.image_pixmap.draw_layout(rgc, 72 + 15, 36 + 15, pango_layout)
+		pango_layout.set_text(compass_text[3])
+		self.image_pixmap.draw_layout(rgc, 15, 36 + 15, pango_layout)
+
+class DataModel():
+    def __init__(self, ahora):
+	self.ahora = ahora
+        self.new_moon_array = MG.new_moon_array
+        self.full_moon_array = MG.full_moon_array
+        self.first_quarter_array = MG.first_quarter_array
+        self.last_quarter_array = MG.last_quarter_array
+
+        self.percent_of_full_moon = None
+        self.julian_date = None
+        self.lunation = None
+        self.days_old = None
+        self.hours_old = None
+        self.minutes_old = None
+        self.days_until_new_moon = None
+        self.next_new_moon_date = None
+        self.days_until_full_moon = None
+        self.next_full_moon_date = None
+
+        self.next_lunar_eclipse_sec = None
+        self.next_solar_eclipse_sec = None
+        self.last_lunar_eclipse_sec = None
+        self.days_until_lunar_eclipse = None
+        self.next_lunar_eclipse_date = None
+        self.days_until_solar_eclipse = None
+        self.next_solar_eclipse_date = None
+
+	self.phase_of_moon = None
+
+	self.update_moon_calculations(self.ahora)
+
+    def update_moon_calculations(self, the_date):
+	self.ahora = the_date
+        # Generate all Moon data ready for display.
+        last_new_moon_sec = MG.last_new_moon_sec_at_time(the_date)
+        next_new_moon_sec = MG.next_new_moon_sec_at_time(the_date)
+        last_full_moon_sec = MG.last_full_moon_sec_at_time(the_date)
+        next_full_moon_sec = MG.next_full_moon_sec_at_time(the_date)
+        last_quarter_moon_sec = MG.last_quarter_moon_sec_at_time(the_date)
+        next_quarter_moon_sec = MG.next_quarter_moon_sec_at_time(the_date)
+
+	self.phase_of_moon = MG.RecalcularFase(the_date)
+
+        # Generate interesting human readable values
+        self.percent_of_full_moon = (math.cos(((self.phase_of_moon + .5) / .5 * math.pi)) + 1) * .5
+        self.julian_date = 2452135 + ((the_date - 997700400.0) / MG.SECONDS_PER_DAY)
+        self.lunation = MG.lunation_at_time(the_date)
+        day_with_fraction = last_new_moon_sec / MG.SECONDS_PER_DAY
+        self.days_old = math.floor(day_with_fraction)
+        self.hours_old = math.floor((day_with_fraction - self.days_old) * 24)
+        self.minutes_old = math.floor((((day_with_fraction - self.days_old) * 24) - self.hours_old) * 60)
+        self.days_until_new_moon = next_new_moon_sec / MG.SECONDS_PER_DAY
+        self.next_new_moon_date = the_date + next_new_moon_sec - MG.correct_for_tz_and_dst(the_date + next_new_moon_sec)
+        self.days_until_full_moon = next_full_moon_sec / MG.SECONDS_PER_DAY
+        self.next_full_moon_date = the_date + next_full_moon_sec - MG.correct_for_tz_and_dst(the_date + next_full_moon_sec)
+        
+        # Eclipse information
+        self.next_lunar_eclipse_sec = MG.next_lunar_eclipse_sec_at_time(the_date)
+        self.next_solar_eclipse_sec = MG.next_solar_eclipse_sec_at_time(the_date)
+        self.last_lunar_eclipse_sec = MG.last_lunar_eclipse_sec_at_time(the_date)
+        self.days_until_lunar_eclipse = self.next_lunar_eclipse_sec / MG.SECONDS_PER_DAY
+        self.next_lunar_eclipse_date = the_date + self.next_lunar_eclipse_sec - MG.correct_for_tz_and_dst(the_date + self.next_lunar_eclipse_sec)
+        self.days_until_solar_eclipse = self.next_solar_eclipse_sec / MG.SECONDS_PER_DAY
+        self.next_solar_eclipse_date = the_date + self.next_solar_eclipse_sec - MG.correct_for_tz_and_dst(the_date + self.next_solar_eclipse_sec)
+
+        # Selenographic terminator longitude
+        selenographic_tmp = 270 + (self.phase_of_moon * 360)
+        if selenographic_tmp >= 360:
+            selenographic_tmp -= 360
+        if selenographic_tmp >= 270:
+            selenographic_tmp -= 360
+        elif selenographic_tmp >= 180:
+            selenographic_tmp -= 180
+        elif selenographic_tmp >= 90:
+            selenographic_tmp -= 180
+        selenographic_tmp = -selenographic_tmp
+        if selenographic_tmp < 0:
+            self.west_or_east = _("west")
+        else:
+            self.west_or_east = _("east")
+        self.selenographic_deg = abs(selenographic_tmp)
+        if self.phase_of_moon >= .5:
+            self.rise_or_set = _("Sunset")
+        else:
+            self.rise_or_set = _("Sunrise")
+            
+    def moon_phase_name(self, phase_of_moon):
+        # Return the moon image name for a given phase value.
+        if phase_of_moon >= 0 and phase_of_moon < 0.025:
+            return _("New Moon")
+        elif phase_of_moon >= 0.025 and phase_of_moon < 0.225:
+            return _("Waxing Crescent")
+        elif phase_of_moon >= 0.225 and phase_of_moon < 0.275:
+            return _("First Quarter")
+        elif phase_of_moon >= 0.275 and phase_of_moon < 0.475:
+            return _("Waxing Gibbous")
+        elif phase_of_moon >= 0.475 and phase_of_moon < 0.525:
+            return _("Full Moon")
+        elif phase_of_moon >= 0.525 and phase_of_moon < 0.735:
+            return _("Waning Gibbous")
+        elif phase_of_moon >= 0.735 and phase_of_moon < 0.775:
+            return _("Last Quarter")
+        elif phase_of_moon >= 0.775 and phase_of_moon < 0.975:
+            return _("Waning Crescent")
+        else:
+            return _("New Moon")
+
+class MoonCalendar(gtk.AspectFrame):
+	__gsignals__ = {"recalculando":(gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (gobject.TYPE_BOOLEAN, ))}
+	def __init__(self):
+		gtk.AspectFrame.__init__(self)
+		self.modify_bg(gtk.STATE_NORMAL, MG.BACKGROUND)
+		self.anio = None
+		self.mes = None
+		self.fecha = None
+		self.hora = None
+		self.semanas = None
+
+		self.label_mes = None
+		self.matriz = None
+
+		self.layout()
+
+	def layout(self):
+		base = gtk.VBox()
+		caja_control = gtk.HBox()
+
+		view_tool_bar = gtk.Toolbar()
+		view_tool_bar.modify_bg(gtk.STATE_NORMAL, MG.BACKGROUND)
+
+		boton = gtk.ToggleToolButton()
+		pixbuf= gtk.gdk.pixbuf_new_from_file_at_size(os.path.join(MG.ICONOS,'flecha-ico.svg'), 32, 32)
+		imagen = gtk.Image()
+		imagen.set_from_pixbuf(pixbuf)
+		boton.set_icon_widget(imagen)
+		imagen.show()
+		boton.show()
+		view_tool_bar.append_item("", "", "",boton, self.anterior, user_data=None)
+		boton.modify_bg(gtk.STATE_NORMAL, MG.BACKGROUND)
+
+		caja_control.pack_start(view_tool_bar, False, False, 0)
+		
+		self.label_mes = gtk.Label()
+		self.label_mes.modify_bg(gtk.STATE_NORMAL, MG.BACKGROUND)
+		self.label_mes.modify_fg(gtk.STATE_NORMAL, MG.FOREGROUND)
+		self.label_mes.show()
+
+		caja_control.pack_start(self.label_mes, True, True, 0)
+
+		view_tool_bar = gtk.Toolbar()
+		view_tool_bar.modify_bg(gtk.STATE_NORMAL, MG.BACKGROUND)
+
+		boton = gtk.ToggleToolButton()
+		pixbuf= gtk.gdk.pixbuf_new_from_file_at_size(os.path.join(MG.ICONOS,'flecha-ico.svg'), 32, 32)
+		pixbuf= pixbuf.flip(1)
+		imagen = gtk.Image()
+		imagen.set_from_pixbuf(pixbuf)
+		boton.set_icon_widget(imagen)
+		imagen.show()
+		boton.show()
+		view_tool_bar.append_item("", "", "",boton, self.siguiente, user_data=None)
+		boton.modify_bg(gtk.STATE_NORMAL, MG.BACKGROUND)
+
+		caja_control.pack_end(view_tool_bar, False, False, 0)
+
+		caja_dias = gtk.HBox()
+		for dia in ["Lun", "Mar", "Mie", "Jue", "Vie", "Sáb", "Dom"]:
+			label = gtk.Label(dia)
+			label.modify_fg(gtk.STATE_NORMAL, MG.FOREGROUND)
+			caja_dias.pack_start(label, True, True, 0)
+
+		self.matriz = MatrizMoonCalendar()
+
+		base.pack_start(caja_control, False, False, 0)
+		base.pack_start(caja_dias, False, False, 5)
+		base.pack_start(self.matriz, True, True, 5)
+
+		self.add(base)
+		self.show_all()
+		
+	def anterior(self, widget= None):
+		if self.mes == 1:
+			self.mes = 12
+			self.anio -= 1
+		else:
+			self.mes -= 1
+		self.set_mes(self.anio, self.mes, self.fecha, self.hora)
+		self.show_all()
+
+	def siguiente(self, widget= None):
+		if self.mes == 12:
+			self.mes = 1
+			self.anio += 1
+		else:
+			self.mes += 1
+		self.set_mes(self.anio, self.mes, self.fecha, self.hora)
+		self.show_all()
+
+	def set_mes(self, anio, mes, fecha, hora):
+		self.anio, self.mes, self.fecha, self.hora = (anio, mes, 1, hora)
+		self.matriz.set_mes(self.anio, self.mes, self.fecha, self.hora)
+		dias= []
+		for d in calendar.day_name:
+			if d: dias.append(d)
+		self.hoy = "%s-%s-%s %s" % (self.matriz.anio, self.matriz.mes, self.matriz.fecha, self.matriz.hora)
+		meses= []
+		for m in calendar.month_name:
+			if m: meses.append(m)
+		t = time.strptime(self.hoy, MG.format)
+		mes= meses[t.tm_mon -1]
+		dia= dias[t.tm_wday]
+		self.label_mes.set_text("%s %s" % (mes, self.matriz.anio))
+
+	def toggle_grid_clicked(self, widget= None, actualizar= False):
+		for linea in self.matriz.calendarbuttons:
+			for boton in linea:
+				boton.toggle_grid_clicked()
+				if actualizar: boton.actualizar()
+
+	def toggle_hemisphere_clicked(self, widget= None, actualizar= False):
+		for linea in self.matriz.calendarbuttons:
+			for boton in linea:
+				boton.toggle_hemisphere_clicked()
+				if actualizar: boton.actualizar()
+
+class MatrizMoonCalendar(gtk.EventBox):
+	def __init__(self):
+		gtk.EventBox.__init__(self)
+		self.set_visible_window(True)
+		self.modify_bg(gtk.STATE_NORMAL, MG.BACKGROUND)
+		self.fixed = gtk.Fixed()
+		self.add(self.fixed)
+		self.show_all()
+
+		self.anio = None
+		self.mes = None
+		self.fecha = None
+		self.hora = None
+		self.semanas = None
+
+		self.fixes = []
+		self.calendarbuttons = []
+
+		self.connect("expose_event", self.repaint)
+
+	def repaint(self, widget= None, event= None):
+		x,y,w,h= self.get_allocation()
+		if not self.fixes: return
+		anchoboton = w/len(self.fixes[0])
+		altoboton = h/len(self.fixes)
+		tamanioboton = min( [anchoboton,altoboton] )
+		posy = 0
+		for fixed in self.fixes:
+			self.fixed.move(fixed, 0, posy)
+			posy += tamanioboton
+		posx = 0
+		for fixed in self.fixes:
+			for boton in self.calendarbuttons[self.fixes.index(fixed)]:
+				fixed.move(boton, posx, 0)
+				boton.repaint(tamanioboton)
+				posx += tamanioboton
+			posx = 0
+
+	def set_mes(self, anio, mes, fecha, hora):
+		self.anio, self.mes, self.fecha, self.hora = anio, mes, fecha, hora
+		self.fixes = []
+		self.calendarbuttons = []
+		self.semanas = MG.get_semanas_del_mes(anio, mes)
+		for child in self.fixed.get_children():
+			self.fixed.remove(child)
+			child.destroy()
+		for sem in self.semanas:
+			listadias = []
+			fixed = gtk.Fixed()
+			self.fixes.append(fixed)
+			self.fixed.put(fixed, 0,0)
+			for dia in sem:
+				boton = CalendarButton(self.anio, self.mes, dia, self.hora)
+				listadias.append(boton)
+				fixed.put(boton, 0,0)
+			self.calendarbuttons.append(listadias)
+
--
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