Image browser improve

    return sorted(date_list, reverse=True)

def archive_images(dir_name, date_to):    

    filenames = []   

    loads_num =int(opts.images_history_num_per_page * opts.images_history_pages_num)

    batch_size =int(opts.images_history_num_per_page * opts.images_history_pages_num)

    if batch_size <= 0:

        batch_size = opts.images_history_num_per_page * 6

    today = time.strftime("%Y%m%d",time.localtime(time.time()))

    date_to = today if date_to is None  or date_to == "" else date_to

    date_to_bak = date_to 

    if opts.images_history_reconstruct_directory:        

    if False: #opts.images_history_reconstruct_directory:        

        date_list = auto_sorting(dir_name)               

        for date in date_list:

            if date <= date_to:

                if date == today and not os.path.exists(path):

                    continue

                filenames = traverse_all_files(path, filenames)

            if len(filenames) > loads_num:            

            if len(filenames) > batch_size:            

                break

        filenames = sorted(filenames, key=lambda file: -os.path.getmtime(file))

    else:

        filenames = traverse_all_files(dir_name, filenames)  

        total_num = len(filenames) 

        batch_count = len(filenames) + 1 //  batch_size + 1

        tmparray = [(os.path.getmtime(file), file) for file in filenames ]

        date_stamp = time.mktime(time.strptime(date_to, "%Y%m%d")) + 86400      

        filenames = []

                filenames.append((t, f ,date))

        date_list = sorted(list(date_list.keys()), reverse=True)

        sort_array = sorted(filenames, key=lambda x:-x[0])

        if len(sort_array) > loads_num:

            date = sort_array[loads_num][2]

        if len(sort_array) > batch_size:

            date = sort_array[batch_size][2]

            filenames = [x[1] for x in sort_array]

        else:

            date =  date_to if len(sort_array) == 0 else sort_array[-1][2]

        filenames = [x[1] for x in sort_array if x[2]>= date]   

    num = len(filenames)  

    last_date_from = date_to_bak if num == 0 else time.strftime("%Y%m%d", time.localtime(time.mktime(time.strptime(date, "%Y%m%d")) - 1000))

    date = date[:4] + "-" + date[4:6] + "-" + date[6:8]

    date_to_bak = date_to_bak[:4] + "-" + date_to_bak[4:6] + "-" + date_to_bak[6:8]

    load_info = f"Loaded {(num + 1) // opts.images_history_pages_num} pades, {num} images, during {date} - {date_to_bak}"

    date = date[:4] + "/" + date[4:6] + "/" + date[6:8]

    date_to_bak = date_to_bak[:4] + "/" + date_to_bak[4:6] + "/" + date_to_bak[6:8]

    load_info = f"{total_num} images in this directory. Loaded {num} images during {date} - {date_to_bak}, divided into {int((num + 1) // opts.images_history_num_per_page + 1)} pages"

    _, image_list, _, _, visible_num = get_recent_images(1, 0, filenames)

    return (

        gradio.Dropdown.update(choices=date_list, value=date_to),

        "",

        "",

        visible_num, 

        last_date_from

        last_date_from, 

        #gradio.update(visible=batch_count > 1)

    )

def delete_image(delete_num, name, filenames, image_index, visible_num):

    if name == "":

        return filenames, delete_num

    with gr.Column() as page_panel:            

            with gr.Row():  

                img_path = gr.Textbox(dir_name, label="Images directory", placeholder="Input images directory") 

                img_path = gr.Textbox(dir_name, label="Images directory", placeholder="Input images directory", interactive=custom_dir) 

            with gr.Row(visible=False) as warning:                 

                warning_box = gr.Textbox("Message", interactive=False)                        

            with gr.Row(visible=not custom_dir, elem_id=tabname + "_images_history") as main_panel:

                with gr.Column(scale=2):                   

                    with gr.Row():                    

                        backward = gr.Button('Backward')         

                        date_to = gr.Dropdown(label="Date to") 

                    with gr.Row() as batch_panel:                    

                        forward = gr.Button('Forward')        

                        date_to = gr.Dropdown(label="Date to")

                        backward = gr.Button('Backward')                           

                        newest = gr.Button('Reload', elem_id=tabname + "_images_history_start")   

                    with gr.Row():

                        load_info = gr.Textbox(show_label=False, interactive=False)  

                        # hiden items

                        with gr.Row(): #visible=False):   

                        with gr.Row(visible=False):   

                            visible_img_num = gr.Number()                     

                            date_to_recorder = gr.State([])

                            last_date_from = gr.Textbox()