import gtk
import gobject
import urllib
import os

DEFAULT_IMAGE_WIDTH = 100
TARGET_TYPE_URI_LIST = 80
dnd_list = [ ( 'text/uri-list', 0, TARGET_TYPE_URI_LIST ) ]

# Setup ListStore to contain images and description
model = gtk.ListStore(gtk.gdk.Pixbuf,  gobject.TYPE_STRING)

# GtkIconView
view = gtk.IconView(model)  # Pass the model stored in a ListStore to the GtkIconView

def on_drag_data_received(widget, context, x, y, selection, target_type, timestamp):
    uri = selection.data.strip()
    uri_splitted = uri.split() # we may have more than one file dropped
    for uri in uri_splitted:
        path = get_file_path_from_dnd_dropped_uri(uri)
        print path
        try:
            pixbuf = gtk.gdk.pixbuf_new_from_file(path)
            pix_w = pixbuf.get_width()
            pix_h = pixbuf.get_height()
            new_h = (pix_h * DEFAULT_IMAGE_WIDTH) / pix_w   # Calculate the scaled height before resizing image
            scaled_pix = pixbuf.scale_simple(DEFAULT_IMAGE_WIDTH, new_h, gtk.gdk.INTERP_TILES)
            model.append((scaled_pix, im))
        except:
            pass

def get_file_path_from_dnd_dropped_uri(uri):
    path = urllib.url2pathname(uri) # escape special chars
    path = path.strip('\r\n\x00') # remove \r\n and NULL

    # get the path to file
    if path.startswith('file:\\\\\\'): # windows
        path = path[8:] # 8 is len('file:///')
    elif path.startswith('file://'): # nautilus, rox
        path = path[7:] # 7 is len('file://')
    elif path.startswith('file:'): # xffm
        path = path[5:] # 5 is len('file:')
    return path

# Main Window setup
window = gtk.Window(gtk.WINDOW_TOPLEVEL)
window.set_size_request(400,  240)
window.connect("destroy", gtk.main_quit)
window.set_title("Python GtkIconView Test")

# Add a VBox
vbox = gtk.VBox()
window.add(vbox)

# Setup Scrolled Window
scrolled_win = gtk.ScrolledWindow()
scrolled_win.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)

# Create a tuple with image files
immagini = ("guido_sottozero.jpg", "IMG_0056.JPG", "movies_card.jpg")
#immagini = ("guido_sottozero.jpg", "movies_card.jpg")
#immagini = ("movies_card.jpg", )

for im in immagini:
    try:
        pixbuf = gtk.gdk.pixbuf_new_from_file(im)
        pix_w = pixbuf.get_width()
        pix_h = pixbuf.get_height()
        new_h = (pix_h * DEFAULT_IMAGE_WIDTH) / pix_w   # Calculate the scaled height before resizing image
        scaled_pix = pixbuf.scale_simple(DEFAULT_IMAGE_WIDTH, new_h, gtk.gdk.INTERP_TILES)
        model.append((scaled_pix, im))
        print im
    except:
        pass

# Setup GtkIconView
view.set_pixbuf_column(0)
view.set_text_column(1)
view.set_selection_mode(gtk.SELECTION_MULTIPLE)

view.connect('drag_data_received', on_drag_data_received)
view.drag_dest_set( gtk.DEST_DEFAULT_MOTION | gtk.DEST_DEFAULT_HIGHLIGHT | gtk.DEST_DEFAULT_DROP, 
                   dnd_list, gtk.gdk.ACTION_COPY)
    
# Pack objects and show them all
scrolled_win.add(view)
vbox.pack_start(scrolled_win)
window.show_all()

gtk.main()