Files
wordpress-theme-aksrt/inc/helpers/aksrt-null.php
T
kate522 a0748c08fe feat(frontend): illustrated null states and author rewards fallback
Add aksrt_get_null / widget null helpers with null.svg, use them in
sidebar widgets, comments empty, and related posts; when PM is off show
post rewards entry on the single author bar.
2026-07-16 19:33:57 +08:00

79 lines
2.5 KiB
PHP

<?php
/**
* Illustrated empty / null state helpers (Zibll zib_get_null parity).
*
* @package AKSRT
*/
defined('ABSPATH') || exit;
if (!function_exists('aksrt_null_image_url')) {
/**
* Prefer theme null illustration; fall back to placeholder.
*/
function aksrt_null_image_url(string $file = 'null.svg'): string {
$file = sanitize_file_name($file);
if ($file === '') {
$file = 'null.svg';
}
$candidates = [
'/assets/img/' . $file,
'/img/' . $file,
'/assets/img/placeholder.svg',
];
foreach ($candidates as $rel) {
$path = get_template_directory() . $rel;
if (is_readable($path)) {
return get_template_directory_uri() . $rel;
}
}
return get_template_directory_uri() . '/assets/img/placeholder.svg';
}
}
if (!function_exists('aksrt_get_null')) {
/**
* Zibll-like empty illustration block.
*
* @param string|null $text Caption (null → 暂无内容).
* @param int|string $margin Vertical padding / top margin.
* @param string $img Image file under assets/img.
* @param string $class Extra class on wrapper.
* @param int $width Image max width.
* @param int $height Optional fixed height.
*/
function aksrt_get_null($text = null, $margin = 60, string $img = 'null.svg', string $class = '', int $width = 280, int $height = 0): string {
if (null === $text) {
$text = __('暂无内容', 'aksrt');
}
$margin = is_numeric($margin) ? (string) $margin : '60';
$caption = $text !== ''
? '<p style="margin-top:' . esc_attr($margin) . 'px;" class="em09 muted-3-color separator">' . esc_html((string) $text) . '</p>'
: '';
if ($height > 0) {
$style = $width > 0 ? 'max-width:' . (int) $width . 'px;' : '';
$style .= 'height:' . (int) $height . 'px;';
} else {
$style = $width > 0 ? 'width:' . (int) $width . 'px;' : '';
}
$style .= 'opacity:.7;';
$src = aksrt_null_image_url($img);
return '<div class="text-center aksrt-null ' . esc_attr($class) . '" style="padding:' . esc_attr($margin) . 'px 0;">'
. '<img class="no-imgbox aksrt-null__img" style="' . esc_attr($style) . '" src="' . esc_url($src) . '" alt="" loading="lazy" decoding="async">'
. $caption
. '</div>';
}
}
if (!function_exists('aksrt_get_widget_null')) {
/**
* Compact null for sidebar widgets.
*/
function aksrt_get_widget_null(string $text = '', int $margin = 24, int $width = 140): string {
if ($text === '') {
$text = __('暂无内容', 'aksrt');
}
return aksrt_get_null($text, $margin, 'null.svg', 'widget-empty aksrt-null--widget', $width);
}
}