def createTree(self, nbTracks):
        """ Create a temporary explorer tree without disc information """
        name = '%s  <span size="smaller" foreground="#909090">%s</span>' % (MOD_L10N, _('downloading data...'))
        self.tree.replaceContent(((icons.cdromMenuIcon(), None, name, None),))

        # Append a child for each track
        self.tree.appendRows([(icons.mediaFileMenuIcon(), None, _('Track %02u') % (i+1), None) for i in xrange(nbTracks)], (0,))
        self.tree.expand_all()
    def loadDisc(self):
        """ Read disc information and create the explorer tree accordingly """
        import DiscID

        try:
            discInfo = DiscID.disc_id(DiscID.open(prefs.get(__name__, 'device', PREFS_DFT_DEVICE)))
        except Exception, err:
            if err[0] == 123:
                self.tree.replaceContent([(icons.cdromMenuIcon(), None, _('No disc found'), None)])
                modules.postMsg(consts.MSG_CMD_EXPLORER_RENAME, {'modName': MOD_L10N, 'expName': self.expName, 'newExpName': MOD_L10N})
                self.expName = MOD_L10N
            else:
                logger.error('[%s] Unable to read device\n\n%s' % (MOD_INFO[modules.MODINFO_NAME], traceback.format_exc()))
            return
    def onModLoaded(self):
        """ The module has been loaded """
        txtRdrLen = gtk.CellRendererText()

        columns = (('',   [(gtk.CellRendererPixbuf(), gtk.gdk.Pixbuf), (txtRdrLen, gobject.TYPE_STRING), (gtk.CellRendererText(), gobject.TYPE_STRING)], True),
                   (None, [(None, gobject.TYPE_PYOBJECT)],                                                                                               False))

        self.tree     = extTreeview.ExtTreeView(columns, True)
        self.popup    = None
        self.cfgWin   = None
        self.expName  = MOD_L10N
        self.scrolled = gtk.ScrolledWindow()
        self.cacheDir = os.path.join(consts.dirCfg, MOD_INFO[modules.MODINFO_NAME])
        # The album length is written in a smaller font, with a lighter color
        txtRdrLen.set_property('scale', 0.85)
        txtRdrLen.set_property('foreground-gdk', self.tree.get_style().text[gtk.STATE_INSENSITIVE])
        # Explorer
        self.tree.setDNDSources([consts.DND_TARGETS[consts.DND_DAP_TRACKS]])
        self.scrolled.add(self.tree)
        self.scrolled.set_shadow_type(gtk.SHADOW_IN)
        self.scrolled.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
        self.scrolled.show()
        # GTK handlers
        self.tree.connect('drag-data-get',              self.onDragDataGet)
        self.tree.connect('key-press-event',            self.onKeyPressed)
        self.tree.connect('exttreeview-button-pressed', self.onButtonPressed)
        modules.postMsg(consts.MSG_CMD_EXPLORER_ADD, {'modName': MOD_L10N, 'expName': self.expName, 'icon': icons.cdromMenuIcon(), 'widget': self.scrolled})
        # Hide the album length when not drawing the root node
        self.tree.get_column(0).set_cell_data_func(txtRdrLen, self.__drawAlbumLenCell)
        # CD-ROM drive read speed
        modules.postMsg(consts.MSG_CMD_SET_CD_SPEED, {'speed': prefs.get(__name__, 'read-speed', PREFS_DFT_READ_SPEED)})