shimmie2/ext/regen_thumb/theme.php

<?php

class RegenThumbTheme extends Themelet
{
    /**
     * Show a form which offers to regenerate the thumb of an image with ID #$image_id
     */
    public function get_buttons_html(int $image_id): string
    {
        return "
			".make_form(make_link("regen_thumb/one"))."
			<input type='hidden' name='image_id' value='$image_id'>
			<input type='submit' value='Regenerate Thumbnail'>
			</form>
		";
    }

    /**
     * Show a link to the new thumbnail.
     */
    public function display_results(Page $page, Image $image)
    {
        $page->set_title("Thumbnail Regenerated");
        $page->set_heading("Thumbnail Regenerated");
        $page->add_html_header("<meta http-equiv=\"cache-control\" content=\"no-cache\">");
        $page->add_block(new NavBlock());
        $page->add_block(new Block("Thumbnail", $this->build_thumb_html($image)));
    }

    public function mtr_html(string $terms)
    {
        $h_terms = html_escape($terms);
        $html = make_form(make_link("regen_thumb/mass"), "POST") . "
				<input type='hidden' name='tags' value='$h_terms'>
				<input type='submit' value='Regen all thumbs' onclick='return confirm(\"This can use a lot of CPU time.\\nAre you sure you want to do this?\")'>
			</form>
		";
        return $html;
    }
}