shimmie2/ext/rotate/theme.php

<?php

class RotateImageTheme extends Themelet
{
    /**
     * Display a link to rotate an image.
     */
    public function get_rotate_html(int $image_id): string
    {
        $html = "
			".make_form(make_link('rotate/'.$image_id), 'POST')."
				<input type='hidden' name='image_id' value='$image_id'>
				<input id='rotate_deg' name='rotate_deg' type='number' placeholder='Rotation degrees'>
				<input id='rotatebutton' type='submit' value='Rotate'>
			</form>
		";
        
        return $html;
    }

    /**
     * Display the error.
     */
    public function display_rotate_error(Page $page, string $title, string $message)
    {
        $page->set_title("Rotate Image");
        $page->set_heading("Rotate Image");
        $page->add_block(new NavBlock());
        $page->add_block(new Block($title, $message));
    }
}