[gcompris/braille] Learning the braille code: First Activity

[Srishti Sethi <srishs src gnome org>]

commit 0f86169a20ff3515cf034eebe8e6fc87583a9567
Author: Srishti Sethi <srishakatux gmail com>
Date:   Tue May 31 02:29:50 2011 +0530

    Learning the braille code: First Activity

 src/braille_alphabets-activity/.gitignore          |    1 +
 src/braille_alphabets-activity/Makefile.am         |   32 +++
 .../braille_alphabets.py                           |  222 ++++++++++++++++++++
 .../braille_alphabets.xml.in                       |   23 ++
 src/braille_alphabets-activity/braillebug.svg      |  199 ++++++++++++++++++
 src/braille_alphabets-activity/gcompris            |    1 +
 src/braille_alphabets-activity/init_path.sh        |    8 +
 .../resources/drawing.svg                          |   67 ++++++
 .../resources/mosaic_bg.svgz                       |  Bin 0 -> 4475 bytes
 9 files changed, 553 insertions(+), 0 deletions(-)
---
diff --git a/src/braille_alphabets-activity/.gitignore b/src/braille_alphabets-activity/.gitignore
new file mode 100755
index 0000000..b828112
--- /dev/null
+++ b/src/braille_alphabets-activity/.gitignore
@@ -0,0 +1 @@
+braille_alphabets.xml
diff --git a/src/braille_alphabets-activity/Makefile.am b/src/braille_alphabets-activity/Makefile.am
new file mode 100755
index 0000000..d9b62a1
--- /dev/null
+++ b/src/braille_alphabets-activity/Makefile.am
@@ -0,0 +1,32 @@
+SUBDIRS =
+
+pythondir = $(PYTHON_PLUGIN_DIR)
+
+dist_python_DATA= 	braille_alphabets.py
+
+
+
+xmldir = $(pkgdatadir)/@PACKAGE_DATA_DIR@
+
+xml_in_files = \
+	braille_alphabets.xml.in
+
+
+xml_DATA = $(xml_in_files:.xml.in=.xml)
+
+# Do not use the INTLTOOL_XML_RULE, we don't need to embed the translations
+# in the file themselves. GCompris pick the translations from the po file at
+# runtime.
+#
+$(xml_DATA): %.xml: %.xml.in
+	sed -e "s/\(<\{1\}\/*\)_/\1/g" $< > $@
+
+# Use this directive and instead of the one above to embed the translations
+# in the xml files directly, this is needed for the tool gcompris2spip
+# INTLTOOL_XML_RULE@
+
+icondir = $(pkgdatadir)/@PACKAGE_DATA_DIR@
+icon_DATA = braille_alphabets.svg
+
+EXTRA_DIST = $(icon_DATA) ${xml_in_files} init_path.sh
+CLEANFILES = $(xml_DATA)
diff --git a/src/braille_alphabets-activity/braille_alphabets.py b/src/braille_alphabets-activity/braille_alphabets.py
new file mode 100644
index 0000000..151a231
--- /dev/null
+++ b/src/braille_alphabets-activity/braille_alphabets.py
@@ -0,0 +1,222 @@
+#  gcompris - braille_alphabets.py
+#
+# Copyright (C) 2003, 2008 Bruno Coudoin
+#
+#   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/>.
+#
+# braille_alphabets activity.
+import gtk
+import gtk.gdk
+import gcompris
+import gcompris.utils
+import gcompris.skin
+import goocanvas
+import pango
+import gcompris.sound
+import string
+from gcompris import gcompris_gettext as _
+
+braille_letters = {
+    "a": (1,), "b": (1, 2), "c": (1, 4), "d": (1, 4, 5), "e": (1, 5),
+    "f": (1, 2, 4), "g": (1, 2, 4, 5), "h": (1, 2, 5), "i": (2, 4),
+    "j": (2, 4, 5), "k": (1, 3), "l": (1, 2, 3), "m": (1, 3, 4),
+    "n": (1, 3, 4, 5), "o": (1, 3, 5), "p": (1, 2, 3, 4), "q": (1, 2, 3, 4, 5),
+    "r": (1, 2, 3, 5), "s": (2, 3, 4), "t": (2, 3, 4, 5), "u": (1, 3, 6),
+    "v": (1, 2, 3, 6), "w": (2, 4, 5, 6), "x": (1, 3, 4, 6), "y": (1, 3, 4, 5, 6),
+    "z": (1, 3, 5, 6),
+}
+
+
+class Gcompris_braille_alphabets:
+  """Empty gcompris python class"""
+
+
+  def __init__(self, gcomprisBoard):
+    print "braille_alphabets init"
+
+    # Save the gcomprisBoard, it defines everything we need
+    # to know from the core
+    self.gcomprisBoard = gcomprisBoard
+
+    # Needed to get key_press
+    gcomprisBoard.disable_im_context = True
+
+  def start(self):
+    print "braille_alphabets start"
+
+    # Set the buttons we want in the bar
+    gcompris.bar_set(gcompris.BAR_LEVEL)
+
+    # Set a background image
+    gcompris.set_background(self.gcomprisBoard.canvas.get_root_item(),
+                            "mosaic_bg.svgz")
+
+    # Create our rootitem. We put each canvas item in it so at the end we
+    # only have to kill it. The canvas deletes all the items it contains
+    # automaticaly.
+   
+    
+    self.rootitem = goocanvas.Group(parent =
+                                    self.gcomprisBoard.canvas.get_root_item())
+    self.display_game()
+      
+  def end(self):
+    print "braille_alphabets end"
+    # Remove the root item removes all the others inside it
+    self.rootitem.remove()
+    #self.cleanup_game()
+  
+  def ok(self):
+    print("learnbraille ok.")
+
+
+  def repeat(self):
+    print("learnbraille repeat.")
+
+
+  def config(self):
+    print("learnbraille config.")
+
+
+  def key_press(self, keyval, commit_str, preedit_str):
+    utf8char = gtk.gdk.keyval_to_unicode(keyval)
+    strn = u'%c' % utf8char
+
+    print("Gcompris_learnbraille key press keyval=%i %s" % (keyval, strn))
+
+  def pause(self, pause):
+    print("learnbraille pause. %i" % pause)
+
+  def set_level(self, level):
+    gcompris.sound.play_ogg("sounds/receive.wav")
+    self.gcomprisBoard.level = level
+    self.gcomprisBoard.sublevel = 1
+    gcompris.bar_set_level(self.gcomprisBoard)
+    print("learnbraille set level. %i" % level)
+    self.increment_level()
+  
+ 
+  def increment_level(self):
+    gcompris.sound.play_ogg("sounds/bleep.wav")
+    self.end()
+    self.start()
+
+        
+  def display_game(self):
+    goocanvas.Text(parent = self.rootitem,x=390.0,y=70.0,text=_("Alphabet"),width =500,height=500,fill_color="blue",anchor = gtk.ANCHOR_CENTER,font='BOLD')
+
+    """call braille cell"""
+    self.braille_cell()     
+    
+    """Call lower board 1 or 2"""
+    if(self.gcomprisBoard.level == 1 & self.gcomprisBoard.sublevel == 1):
+        print "Enter into lower board 2"
+        self.board_lower2()
+    else : 
+        self.board_lower1()
+
+        
+  
+  def board_lower1(self):
+      self.cell_width = 40
+      for i, letter in enumerate(string.ascii_uppercase[:13]):
+          tile = self.braille_tile(letter,self.cell_width,i)
+          
+          
+  def braille_tile(self, letter, cell_width,i):
+        
+        x1 = 190
+        y1 = 150
+        self.letter = letter
+        self.cell_width = cell_width
+        self.i =  i * (cell_width + 10) + 60
+        
+        padding = self.cell_width * 0.21
+        cell_size = self.cell_width / 2 - padding
+
+        inner_padding = self.cell_width * 0.08
+        cell_radius = cell_size - inner_padding * 2
+        self.item = goocanvas.Rect(parent = self.rootitem,x=self.i,y = 350, width=40, height=60,stroke_color="blue",line_width = 2.0)
+        
+        
+        self.item.connect("button_press_event",self.braille_char,x1,y1,letter,True,True)
+        gcompris.utils.item_focus_init(self.item,None)
+        goocanvas.Text(parent=self.rootitem,x=self.i+10,y=425,text=str(letter),fill_color="blue",font='BOLD')
+        
+        #small eclipse in lower board area
+        
+        self.cells = []
+        for u in range(2):
+            for v in range(3):
+                cell = goocanvas.Ellipse(parent=self.rootitem,center_x= i * 50 + u * 20 + 70,center_y=v*15+365,radius_x=cell_radius,radius_y=cell_radius,stroke_color="blue",line_width=2.0)
+             
+                self.cells.append(cell)   # keep a separate track so we don't mix up with other sprites
+
+                
+        #fill these eclipses with red color
+        self.fillings = braille_letters.get(self.letter.lower())
+        for i in range(6):
+            if(i+1) in self.fillings:
+                self.cells[i].set_property("fill_color","red") 
+            else : 
+                self.cells[i].set_property("fill_color","#DfDfDf")
+          
+  def braille_char(self,event,target,item,a,b,letter,clickable,displayable):
+      """Checking the booleans to evaluate if text is to displayed & if its clickable"""
+     
+        
+      if(displayable == True):
+          self.increment_level()
+          self.text1 = goocanvas.Text(parent=self.rootitem,
+          x = a,
+          y = b,
+          fill_color = "blue",
+          font = "Sans 78",
+          anchor = gtk.ANCHOR_CENTER,
+          text = str(letter))
+          
+      if(clickable == True):
+          self.text1.connect("button_press_event",self.display_letter,letter)
+          gcompris.utils.item_focus_init(self.text1,None) 
+  
+  def display_letter(self,item,event,target,letter):
+      print "clickable"
+      self.letter = letter
+      print self.letter
+      self.fillings = braille_letters.get(self.letter.lower())
+      for i in range(6):
+            if(i+1) in self.fillings:
+                self.c[i].set_property("fill_color","red") 
+            else : 
+                self.c[i].set_property("fill_color","#DfDfDf")
+       
+  def board_lower2(self):
+      self.cell_width = 40
+      for i,letter in enumerate(string.ascii_uppercase[13:]):
+          tile = self.braille_tile(letter,self.cell_width,i)
+  
+  
+  
+
+  """Braille Cell function to represent the dots & braille code"""
+  def braille_cell(self):
+      
+      self.c = [] #Braille Cell Array
+      goocanvas.Text(parent = self.rootitem,x=540.0,y=70.0,text=_("Braille Cell"),fill_color="blue",font='BOLD') 
+      for i in range(2):
+          for j in range(3):
+                  goocanvas.Text(parent = self.rootitem,text=(str(j + 1 + i * 3)),font ='Sans 30',fill_color = "blue",x = i * 140 + 510, y = j * 50 + 100)
+                  cell1 = goocanvas.Ellipse(parent=self.rootitem,center_x=i * 50 +570,center_y=j*50 + 120,radius_x=20,radius_y=20, stroke_color="blue",line_width=5.0)
+                  self.c.append(cell1)
+                  
diff --git a/src/braille_alphabets-activity/braille_alphabets.xml.in b/src/braille_alphabets-activity/braille_alphabets.xml.in
new file mode 100644
index 0000000..1f4d8c4
--- /dev/null
+++ b/src/braille_alphabets-activity/braille_alphabets.xml.in
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<GCompris>
+  <Board
+        name="braille_alphabets"
+        type="python:braille_alphabets"
+        section="/experimental"
+        icon="braille_bug.svg"
+        difficulty="1"
+        author="Srishti Sethi (srishakatux gmail com)"
+        boarddir=""
+        demo="1">
+        <_title>Braille Alphabets Activity</_title>
+        <_description>Learn and memorize the braille code for alphabets</_description>
+        <_prerequisite></_prerequisite>
+        <_goal>To let the kids discover braille codes for alphabets</_goal>
+        <_manual>The GCompris board shows three sections : braille cell,alphabet name and lower board
+        containing 13 letters.Click on each letter in the lower board to know its corresponding braille
+        code in the braille cell section.Click on the increment level button to jump to the 
+        next 13 letters of the english alphabets.</_manual>
+        <_credit></_credit>
+  </Board>
+  <Data directory=""/>
+</GCompris>
diff --git a/src/braille_alphabets-activity/braillebug.svg b/src/braille_alphabets-activity/braillebug.svg
new file mode 100644
index 0000000..b3a61ac
--- /dev/null
+++ b/src/braille_alphabets-activity/braillebug.svg
@@ -0,0 +1,199 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:xlink="http://www.w3.org/1999/xlink";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   width="50"
+   height="50"
+   sodipodi:docname="braillebug.gif">
+  <metadata
+     id="metadata8">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs6" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview4"
+     showgrid="false"
+     inkscape:zoom="3.2948718"
+     inkscape:cx="41.5"
+     inkscape:cy="39"
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+     inkscape:window-y="37"
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diff --git a/src/braille_alphabets-activity/gcompris b/src/braille_alphabets-activity/gcompris
new file mode 120000
index 0000000..6a7dc8a
--- /dev/null
+++ b/src/braille_alphabets-activity/gcompris
@@ -0,0 +1 @@
+../boards/python/gcompris
\ No newline at end of file
diff --git a/src/braille_alphabets-activity/init_path.sh b/src/braille_alphabets-activity/init_path.sh
new file mode 100755
index 0000000..d4f78d7
--- /dev/null
+++ b/src/braille_alphabets-activity/init_path.sh
@@ -0,0 +1,8 @@
+# Set the different path for this activity
+# This is sourced by runit.sh
+path=$1
+activity=braille_alphabets
+plugindir=$path/../boards/.libs
+pythonplugindir=$path 
+resourcedir=$path/resources
+section="/experimental"
diff --git a/src/braille_alphabets-activity/resources/drawing.svg b/src/braille_alphabets-activity/resources/drawing.svg
new file mode 100644
index 0000000..e94971c
--- /dev/null
+++ b/src/braille_alphabets-activity/resources/drawing.svg
@@ -0,0 +1,67 @@
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