From 1ef7063ca9bf97f80fb81ff77c9d17d0c4be71bf Mon Sep 17 00:00:00 2001
From: U-BRIAN-X60\Brian Silverman <Brian Silverman@Brian-X60.(none)>
Date: Fri, 16 Nov 2007 20:54:29 +0000
Subject: multiple instances run properly

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

diff --git a/taproject.py b/taproject.py
new file mode 100755
index 0000000..bd8d86c
--- /dev/null
+++ b/taproject.py
@@ -0,0 +1,137 @@
+import pygtk
+pygtk.require('2.0')
+import gtk
+import pickle
+import os.path
+
+from tasprites import *
+from taturtle import *
+from talogo import stop_logo
+
+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)
+    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):
+    btype, label = b[1],None
+    if type(btype)==type((1,2)): btype, label = btype
+    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
+    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):
+    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
+        if name=='number': name=(name,b.label)
+        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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