xdot.py 文件源码

def on_open(self, action):
        chooser = gtk.FileChooserDialog(title="Open dot File",
                                        action=gtk.FILE_CHOOSER_ACTION_OPEN,
                                        buttons=(gtk.STOCK_CANCEL,
                                                 gtk.RESPONSE_CANCEL,
                                                 gtk.STOCK_OPEN,
                                                 gtk.RESPONSE_OK))
        chooser.set_default_response(gtk.RESPONSE_OK)
        filter = gtk.FileFilter()
        filter.set_name("Graphviz dot files")
        filter.add_pattern("*.dot")
        chooser.add_filter(filter)
        filter = gtk.FileFilter()
        filter.set_name("All files")
        filter.add_pattern("*")
        chooser.add_filter(filter)
        if chooser.run() == gtk.RESPONSE_OK:
            filename = chooser.get_filename()
            chooser.destroy()
            self.open_file(filename)
        else:
            chooser.destroy()