/usr/share/gcompris/python/louis_braille.py is in gcompris-data 15.02-1.1ubuntu1.
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#
# Copyright (C) 2011 Bruno Coudoin | Srishti Sethi
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
#
# louis_braille activity.
import gtk
import gtk.gdk
import gcompris
import gcompris.utils
import gcompris.skin
import gcompris.bonus
import goocanvas
import pango
import random
import ConfigParser
from BrailleChar import *
from gcompris import gcompris_gettext as _
COLOR_ON = 0XFF0000FFL
COLOR_OFF= 0XFFFFFFFFL
CIRCLE_FILL = "white"
CELL_WIDTH = 30
LOUIS_BRAILLE_NAME = ['L','O','U','I','S','B','R','A','I','L','L','E']
class Gcompris_louis_braille:
"""Empty gcompris python class"""
def __init__(self, gcomprisBoard):
# Save the gcomprisBoard, it defines everything we need
# to know from the core
self.gcomprisBoard = gcomprisBoard
self.gcomprisBoard.level=1
self.gcomprisBoard.sublevel=1
self.gcomprisBoard.number_of_sublevel=1
self.gcomprisBoard.maxlevel = 12
# Needed to get key_press
gcomprisBoard.disable_im_context = True
def start(self):
# Set the buttons we want in the bar
gcompris.bar_set (0)
# Set a background image
gcompris.set_background(self.gcomprisBoard.canvas.get_root_item(),
"louis_braille/background.svgz")
#Initialize variables
self.won = 0
self.counter = 0
self.gamewon = 0
self.item = 0
self.groupitem_array = []
self.coorditem_array = []
self.read_data()
self.display_story()
def read_data(self):
'''Load the activity data'''
config = ConfigParser.RawConfigParser()
p = gcompris.get_properties()
filename = gcompris.DATA_DIR + '/' + self.gcomprisBoard.name + '/activity.desktop'
try:
gotit = config.read(filename)
if not gotit:
gcompris.utils.dialog(_("Cannot find the file '{filename}'").format(filename=filename),None)
return False
except ConfigParser.Error, error:
gcompris.utils.dialog(_("Failed to parse data set '{filename}' with error:\n{error}").
format(filename=filename, error=error), None)
return False
self.dataset = config
return True
def display_game(self):
gcompris.bar_location(gcompris.BOARD_WIDTH - 120, -1, 0.8)
self.rootitem = goocanvas.Group(parent =
self.gcomprisBoard.canvas.get_root_item())
n_lines = 11
self.reordering = Reordering(self, n_lines)
# Insert the lines in the correct order
for index in range(n_lines):
self.reordering.add_line( _(str(self.dataset.get(str(index + 1),
"story"))) )
ok = goocanvas.Svg(parent = self.rootitem,
svg_handle = gcompris.skin.svg_get(),
svg_id = "#OK",
tooltip = _("Click to confirm your sequence")
)
ok.translate(200,-70)
ok.connect("button_press_event", self.ok_event)
gcompris.utils.item_focus_init(ok, None)
def display_story(self):
gcompris.bar_location(gcompris.BOARD_WIDTH - 140, 350, 0.8)
self.rootitem = goocanvas.Group(parent =
self.gcomprisBoard.canvas.get_root_item())
goocanvas.Rect( parent = self.rootitem,
x = 50,
y = 20,
width = 700,
height = 95,
radius_x = 10,
radius_y = 10,
stroke_color_rgba = 0x666666FFL,
fill_color_rgba = 0x33333333L,
line_width = 2.0 )
# Previous Button
ok = goocanvas.Svg( parent = self.rootitem,
svg_handle = gcompris.skin.svg_get(),
svg_id = "#PREVIOUS",
)
ok.translate(-300,50)
ok.connect("button_press_event", self.previous_event, None)
gcompris.utils.item_focus_init(ok, None)
# Next Button
ok = goocanvas.Svg(parent = self.rootitem,
svg_handle = gcompris.skin.svg_get(),
svg_id = "#NEXT",
)
ok.translate(75,-58)
ok.connect("button_press_event", self.next_event, None)
gcompris.utils.item_focus_init(ok, None)
# Display name of louis braille
for index in range(5):
BrailleChar(self.rootitem,(index+1) *(CELL_WIDTH + 20)+30,
20, 50, LOUIS_BRAILLE_NAME[index] ,COLOR_ON, COLOR_OFF,
CIRCLE_FILL, CIRCLE_FILL, True,False ,False, None)
for index in range(5,12):
BrailleChar(self.rootitem,(index+1) *(CELL_WIDTH + 20)+65,
20, 50, LOUIS_BRAILLE_NAME[index] ,COLOR_ON, COLOR_OFF,
CIRCLE_FILL, CIRCLE_FILL,True,False ,False, None)
# Displaying the YEAR
self.year_item = \
goocanvas.Text(parent = self.rootitem,
x = 420.0,
y = 400.0,
fill_color="black",
anchor = gtk.ANCHOR_CENTER,
alignment = pango.ALIGN_CENTER,
font = gcompris.skin.get_font("gcompris/title")
)
# Rectangle for YEAR
self.year_rect = \
goocanvas.Rect(parent=self.rootitem,
x = 40,
y = 425,
width = 720,
height = 85,
stroke_color = "orange",
fill_color = "white",
line_width = 2.0)
self.year_rect.lower(None)
# Rectangle for STORY
goocanvas.Rect(parent=self.rootitem,
x = 20,
y = 425,
width = 760,
height = 85,
stroke_color = "orange",
fill_color = "white",
line_width = 2.0)
# Displaying the STORY
self.storyitem = \
goocanvas.Text(parent = self.rootitem,
x=400.0,
y=465.0,
fill_color="black",
anchor = gtk.ANCHOR_CENTER,
alignment = pango.ALIGN_CENTER,
width = 750,
font = gcompris.skin.get_font("gcompris/subtitle")
)
self.imageitem = \
goocanvas.Image(parent = self.rootitem,
x = 300,
y = 120,
)
self.imageitem.connect("button_press_event", self.next_event, None)
self.display_image()
def display_image(self):
pixbuf = \
gcompris.utils.load_pixmap( (str(self.dataset.get(str(self.gcomprisBoard.level),
"image"))) )
self.imageitem.set_properties(pixbuf = pixbuf)
story = _(self.dataset.get( str(self.gcomprisBoard.level), "story"))
self.storyitem.set_properties(text = story)
year = _(self.dataset.get( str(self.gcomprisBoard.level) , "year"))
self.year_item.set_properties(text = year)
bounds = self.year_item.get_bounds()
gapx = 10
gapy = 4
self.year_rect.set_properties(
x = bounds.x1 - gapx,
y = bounds.y1 - gapy,
width = (bounds.x2 - bounds.x1) + gapx * 2,
height = (bounds.y2 - bounds.y1) + gapy * 2,
)
def ok_event(self, event ,target ,item):
if ( self.reordering.is_done() ):
gcompris.bonus.display(gcompris.bonus.WIN,gcompris.bonus.TUX)
self.gamewon = 1
else :
self.reordering.is_not_done()
def refresh_level(self):
if ( self.gcomprisBoard.level == 1 ):
self.end()
self.display_story()
elif ( self.gcomprisBoard.level != 12 ):
self.display_image()
else:
self.end()
self.display_game()
def previous_event(self, event, target,item, dummy):
if (self.gcomprisBoard.level == 1):
self.gcomprisBoard.level = self.gcomprisBoard.maxlevel
else :
self.gcomprisBoard.level -= 1
self.refresh_level()
def next_event(self, event, target, item, dummy):
if (self.gcomprisBoard.level == self.gcomprisBoard.maxlevel):
self.gcomprisBoard.level = 1
else :
self.gcomprisBoard.level += 1
self.refresh_level()
def end(self):
# Remove the root item removes all the others inside it
self.rootitem.remove()
def ok(self):
pass
def repeat(self):
pass
def config(self):
pass
def key_press(self, keyval, commit_str, preedit_str):
utf8char = gtk.gdk.keyval_to_unicode(keyval)
strn = u'%c' % utf8char
def pause(self, pause):
if(self.gamewon == 1):
self.gcomprisBoard.level = 1
self.end()
self.start()
def set_level(self, level):
pass
class Reordering:
"""This class manages the reordering activity"""
def __init__(self, louisbraille, max_item):
self.louisbraille = louisbraille
self.rootitem = louisbraille.rootitem
self.index = 0
self.randoms = range(max_item)
random.shuffle(self.randoms)
self.orders = range(max_item)
def dump(self):
for index, item in enumerate(self.orders):
print index, item.get_data("index")
# Return True if all the items are properly placed
def is_done(self):
for index, item in enumerate(self.orders):
group_index = item.get_data("index")
if ( group_index != index ):
return False
return True
# To indicate correct and wrong lines
def is_not_done(self):
for index , item in enumerate (self.orders):
group_index = item.get_data("index")
rectbox = item.get_data("rectbox")
if ( group_index != index ):
rectbox.set_property("fill_color_rgba", 0xed6d6deeL)
else :
rectbox.set_property("fill_color_rgba", 0x80e072eeL)
# Reset the lines to the original color, no good or bad position mark
def reset_selection(self):
for index , item in enumerate (self.orders):
group_index = item.get_data("index")
rectbox = item.get_data("rectbox")
rectbox.set_property("fill_color_rgba", 0xEEEEEEEEL)
def add_line(self, text):
position = self.randoms[ self.index ]
y = (position + 0.5) * 43
group_item = goocanvas.Group(parent = self.rootitem,
y = y)
# Save in the item itself where is its correct position
group_item.set_data("index", self.index)
# Create Rounded Rectangles for each story
rect_box = goocanvas.Rect(parent = group_item,
x = 30,
y = 0,
width = 640,
height = 40,
radius_x = 5,
radius_y = 5,
stroke_color = "black",
fill_color_rgba = 0xEEEEEEEEL,
line_width = 2.0)
group_item.set_data("rectbox", rect_box)
self.orders[ position ] = group_item
# Displaying the STORY
goocanvas.Text(parent = group_item,
x = 350.0,
y = 20,
text = text,
fill_color = "black",
anchor = gtk.ANCHOR_CENTER,
alignment = pango.ALIGN_CENTER,
font = gcompris.skin.get_font("gcompris/board/tiny"),
width = 635,
)
group_item.connect("button_press_event", self.component_drag)
group_item.connect("motion_notify_event", self.component_drag)
group_item.connect("button_release_event", self.component_drag)
self.index += 1
# Return the index in self.orders of the given group
def get_group_index(self, group):
return self.orders.index(group)
def move_group(self, from_index, to_index):
from_item = self.orders[from_index]
(from_x, from_y) = from_item.get_properties('x', 'y')
to_item = self.orders[to_index]
to_x = to_item.get_data('xref')
to_y = to_item.get_data('yref')
from_item.set_properties(x = to_x, y = to_y)
to_item.set_data("xref", from_x)
to_item.set_data("yref", from_y)
self.orders[from_index], self.orders[to_index] = self.orders[to_index], self.orders[from_index]
def swap_with_group_near(self, group, y):
for index, item in enumerate(self.orders):
bounds = item.get_bounds()
if ( group != item and
y < bounds.y2 and y > bounds.y1 ):
self.move_group( index, self.get_group_index(group) )
return
def component_drag(self, widget, target, event):
groupitem = target.get_parent()
groupitem.raise_(None)
if event.type == gtk.gdk.BUTTON_PRESS:
self.reset_selection()
bounds = groupitem.get_bounds()
self.offset_y = event.y
# We save the x and y coord in xref and yref for future use
(x, y) = groupitem.get_properties('x', 'y')
groupitem.set_data("xref", x)
groupitem.set_data("yref", y)
elif ( event.type == gtk.gdk.MOTION_NOTIFY
and event.state & gtk.gdk.BUTTON1_MASK ):
groupitem.translate(0, event.y - self.offset_y)
(x, y) = self.louisbraille.gcomprisBoard.canvas.\
convert_from_item_space(groupitem, event.x, event.y)
self.swap_with_group_near(groupitem, y)
elif event.type == gtk.gdk.BUTTON_RELEASE:
groupitem.set_transform(None)
to_x = groupitem.get_data('xref')
to_y = groupitem.get_data('yref')
groupitem.set_properties(x = to_x, y = to_y)
return True
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