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#Copyright (c) 2007-9, Playful Invention Company.
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in
#all copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#THE SOFTWARE.
import pygtk
pygtk.require('2.0')
import gtk
import pickle
import os.path
from tasprites import *
from taturtle import *
from talogo import stop_logo
from sugar.datastore import datastore
def new_project(tw):
stop_logo(tw)
for b in blocks(tw): hide(b)
setlayer(tw.turtle.canvas, 600)
# setshape(tw.toolsprs['hideshow'], tw.toolsprs['hideshow'].offshape)
clearscreen(tw.turtle)
tw.save_file_name = None
def load_file(tw):
fname = get_load_name(tw)
if fname==None: return
if fname[-3:]=='.ta': fname=fname[0:-3]
load_files(tw,fname+'.ta', fname+'.png')
tw.save_file_name = os.path.basename(fname)
def load_files(tw,ta_file, png_file=''):
f = open(ta_file, "r")
data = pickle.load(f)
f.close()
new_project(tw)
read_data(tw,data)
if png_file != '':
try:
load_pict(tw,png_file)
except:
# print "load_files: picture didn't load"
pass
inval(tw.turtle.canvas)
def get_load_name(tw):
dialog = gtk.FileChooserDialog("Load...", None,
gtk.FILE_CHOOSER_ACTION_OPEN,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,gtk.STOCK_OPEN, gtk.RESPONSE_OK))
dialog.set_default_response(gtk.RESPONSE_OK)
return do_dialog(tw,dialog)
def read_data(tw,data):
blocks = []
for b in data:
if b[1]=='turtle': load_turtle(tw,b)
else: spr = load_spr(tw,b); blocks.append(spr)
for i in range(len(blocks)):
cons=[]
for c in data[i][4]:
if c==None: cons.append(None)
else: cons.append(blocks[c])
blocks[i].connections = cons
def load_spr(tw,b):
media = None
btype, label = b[1],None
# print btype
if type(btype)==type((1,2)):
btype, label = btype
# print "found a label: " + label
# for backward compatibility
if btype == 'title':
btype = 'string'
if btype == 'journal' or btype == 'audiooff':
media = label
label = None
proto = tw.protodict[btype]
spr = sprNew(tw,b[2]+tw.turtle.canvas.x,b[3]+tw.turtle.canvas.y, \
proto.image)
spr.type = 'block'
spr.proto = proto
if label!=None: spr.label=label
if media!=None and media!="media_None" and media!="audio_None":
try:
dsobject = datastore.get(media)
spr.ds_id = dsobject.object_id
if spr.proto.name == 'journal':
from talogo import get_pixbuf_from_journal
pixbuf = get_pixbuf_from_journal \
(dsobject,spr.width,spr.height)
if pixbuf != None:
setimage(spr, pixbuf)
else:
setimage(spr, tw.media_shapes['texton'])
elif spr.proto.name == 'audiooff':
setimage(spr, tw.media_shapes['audioon'])
dsobject.destroy()
except:
pass
# print "couldn't open dsobject (" + str(spr.ds_id) + ")"
setlayer(spr,650)
return spr
def load_turtle(tw,b):
id, name, xcor, ycor, heading, color, shade, pensize = b
setxy(tw.turtle, xcor, ycor)
seth(tw.turtle, heading)
setcolor(tw.turtle, color)
setshade(tw.turtle, shade)
setpensize(tw.turtle, pensize)
def load_pict(tw,fname):
pict = gtk.gdk.pixbuf_new_from_file(fname)
tw.turtle.canvas.image.draw_pixbuf(tw.turtle.gc, pict, 0, 0, 0, 0)
def save_file(tw):
if tw.save_folder != None: tw.load_save_folder = tw.save_folder
fname = get_save_name(tw)
if fname==None: return
if fname[-3:]=='.ta': fname=fname[0:-3]
save_data(tw,fname+".ta")
save_pict(tw,fname+".png")
tw.save_file_name = os.path.basename(fname)
def get_save_name(tw):
dialog = gtk.FileChooserDialog("Save..", None,
gtk.FILE_CHOOSER_ACTION_SAVE,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,gtk.STOCK_SAVE, \
gtk.RESPONSE_OK))
dialog.set_default_response(gtk.RESPONSE_OK)
if tw.save_file_name!=None: dialog.set_current_name( \
tw.save_file_name+'.ta')
return do_dialog(tw,dialog)
def save_data(tw,fname):
f = file(fname, "w")
bs = blocks(tw)
data = []
for i in range(len(bs)): bs[i].id=i
for b in bs:
name = b.proto.name
# print "\\ " + name + " \\"
if tw.defdict.has_key(name) or name == 'journal' or \
name == 'audiooff':
if b.ds_id != None:
# print "/ " + str(b.ds_id) + " /"
name=(name,str(b.ds_id))
else:
name=(name,b.label)
# print "* " + str(name) + " *"
connections = [get_id(x) for x in b.connections]
data.append((b.id,name,b.x-tw.turtle.canvas.x, \
b.y-tw.turtle.canvas.y,connections))
data.append((-1,'turtle',
tw.turtle.xcor,tw.turtle.ycor,tw.turtle.heading,
tw.turtle.color,tw.turtle.shade,tw.turtle.pensize))
pickle.dump(data,f)
f.close()
def save_pict(tw,fname):
tc = tw.turtle.canvas
pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, tc.width, \
tc.height)
pixbuf.get_from_drawable(tc.image, tc.image.get_colormap(), 0, 0, 0, 0, \
tc.width, tc.height)
pixbuf.save(fname, 'png')
def get_id(x):
if x==None: return None
return x.id
def do_dialog(tw,dialog):
result = None
filter = gtk.FileFilter()
filter.add_pattern("*.ta")
filter.set_name("Turtle Art")
dialog.add_filter(filter)
dialog.set_current_folder(tw.load_save_folder)
response = dialog.run()
if response == gtk.RESPONSE_OK:
result = dialog.get_filename()
tw.load_save_folder = dialog.get_current_folder()
dialog.destroy()
return result
def blocks(tw): return [spr for spr in tw.sprites if spr.type == 'block']
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