feat(widgets): feature intro, term cards, paid posts lists
Close more zibll produck/posts widget gaps: media-tab feature intro, taxonomy term cards, and paid/credits content list with CSS.
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<?php
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/**
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* Taxonomy term cards (zibll zib_widget_ui_term_card lite).
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*
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* @package AKSRT
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*/
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namespace AKSRT\Widgets;
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defined('ABSPATH') || exit;
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class WidgetTermCards extends \WP_Widget {
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public function __construct() {
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parent::__construct(
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'aksrt_term_cards',
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esc_html__('AKSRT 分类/标签卡片', 'aksrt'),
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[
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'description' => esc_html__('以卡片展示分类或标签。', 'aksrt'),
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'classname' => 'widget_aksrt_term_cards',
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]
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);
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}
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public function widget($args, $instance): void {
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$taxonomy = sanitize_key((string) ($instance['taxonomy'] ?? 'category'));
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if (!taxonomy_exists($taxonomy)) {
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$taxonomy = 'category';
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}
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$number = max(1, min(30, (int) ($instance['number'] ?? 8)));
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$orderby = sanitize_key((string) ($instance['orderby'] ?? 'count'));
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$include = $this->parse_ids((string) ($instance['include'] ?? ''));
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$hide_empty = !isset($instance['hide_empty']) || !empty($instance['hide_empty']);
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$term_args = [
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'taxonomy' => $taxonomy,
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'number' => $number,
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'hide_empty' => $hide_empty,
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];
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if ($include) {
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$term_args['include'] = $include;
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$term_args['orderby'] = 'include';
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} else {
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$term_args['orderby'] = in_array($orderby, ['name', 'count', 'id'], true) ? $orderby : 'count';
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$term_args['order'] = $orderby === 'name' ? 'ASC' : 'DESC';
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}
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$terms = get_terms($term_args);
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if (is_wp_error($terms) || !$terms) {
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return;
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}
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echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
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$title = apply_filters('widget_title', (string) ($instance['title'] ?? ''), $instance, $this->id_base);
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if ($title !== '') {
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echo $args['before_title'] . esc_html($title) . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
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}
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$cols = max(1, min(4, (int) ($instance['columns'] ?? 2)));
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echo '<div class="aksrt-term-cards" style="--aksrt-tc-cols:' . esc_attr((string) $cols) . '">';
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foreach ($terms as $term) {
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$link = get_term_link($term);
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if (is_wp_error($link)) {
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continue;
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}
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$thumb = '';
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if (function_exists('get_term_meta')) {
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$img_id = (int) get_term_meta($term->term_id, 'thumbnail_id', true);
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if (!$img_id) {
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$img_id = (int) get_term_meta($term->term_id, '_aksrt_cover', true);
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}
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if ($img_id) {
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$thumb = wp_get_attachment_image_url($img_id, 'medium') ?: '';
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}
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if ($thumb === '') {
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$thumb = (string) get_term_meta($term->term_id, '_aksrt_cover_url', true);
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}
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}
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echo '<a class="aksrt-term-card" href="' . esc_url($link) . '">';
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if ($thumb !== '') {
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echo '<div class="aksrt-term-card__cover" style="background-image:url(' . esc_url($thumb) . ')"></div>';
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} else {
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echo '<div class="aksrt-term-card__cover is-empty"></div>';
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}
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echo '<div class="aksrt-term-card__body">';
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echo '<div class="aksrt-term-card__name">' . esc_html($term->name) . '</div>';
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echo '<div class="aksrt-term-card__count">' . esc_html(sprintf(_n('%d 篇', '%d 篇', (int) $term->count, 'aksrt'), (int) $term->count)) . '</div>';
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echo '</div></a>';
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}
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echo '</div>';
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echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
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}
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/** @return array<int,int> */
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private function parse_ids(string $raw): array {
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if ($raw === '') {
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return [];
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}
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$ids = [];
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foreach (preg_split('/[\s,]+/', $raw) ?: [] as $p) {
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$id = (int) $p;
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if ($id > 0) {
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$ids[] = $id;
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}
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}
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return array_values(array_unique($ids));
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}
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public function form($instance): void {
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$taxs = get_taxonomies(['public' => true], 'objects');
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?>
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<p>
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<label><?php esc_html_e('标题', 'aksrt'); ?>
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<input class="widefat" type="text" name="<?php echo esc_attr($this->get_field_name('title')); ?>" value="<?php echo esc_attr((string) ($instance['title'] ?? '')); ?>">
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</label>
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</p>
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<p>
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<label><?php esc_html_e('分类法', 'aksrt'); ?>
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<select class="widefat" name="<?php echo esc_attr($this->get_field_name('taxonomy')); ?>">
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<?php foreach ($taxs as $tax) : ?>
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<option value="<?php echo esc_attr($tax->name); ?>" <?php selected(($instance['taxonomy'] ?? 'category'), $tax->name); ?>><?php echo esc_html($tax->labels->name . ' (' . $tax->name . ')'); ?></option>
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<?php endforeach; ?>
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</select>
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</label>
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</p>
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<p>
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<label><?php esc_html_e('数量', 'aksrt'); ?>
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<input class="tiny-text" type="number" min="1" max="30" name="<?php echo esc_attr($this->get_field_name('number')); ?>" value="<?php echo esc_attr((string) ((int) ($instance['number'] ?? 8))); ?>">
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</label>
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<label><?php esc_html_e('列数', 'aksrt'); ?>
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<input class="tiny-text" type="number" min="1" max="4" name="<?php echo esc_attr($this->get_field_name('columns')); ?>" value="<?php echo esc_attr((string) ((int) ($instance['columns'] ?? 2))); ?>">
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</label>
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</p>
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<p>
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<label><?php esc_html_e('排序', 'aksrt'); ?>
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<select name="<?php echo esc_attr($this->get_field_name('orderby')); ?>">
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<option value="count" <?php selected(($instance['orderby'] ?? 'count'), 'count'); ?>><?php esc_html_e('文章数', 'aksrt'); ?></option>
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<option value="name" <?php selected(($instance['orderby'] ?? ''), 'name'); ?>><?php esc_html_e('名称', 'aksrt'); ?></option>
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<option value="id" <?php selected(($instance['orderby'] ?? ''), 'id'); ?>><?php esc_html_e('ID', 'aksrt'); ?></option>
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</select>
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</label>
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</p>
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<p>
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<label><?php esc_html_e('包含 term ID（逗号）', 'aksrt'); ?>
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<input class="widefat" type="text" name="<?php echo esc_attr($this->get_field_name('include')); ?>" value="<?php echo esc_attr((string) ($instance['include'] ?? '')); ?>">
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</label>
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</p>
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<p>
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<label><input type="checkbox" name="<?php echo esc_attr($this->get_field_name('hide_empty')); ?>" value="1" <?php checked(!isset($instance['hide_empty']) || !empty($instance['hide_empty'])); ?>> <?php esc_html_e('隐藏空分类', 'aksrt'); ?></label>
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</p>
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<?php
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}
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public function update($new_instance, $old_instance): array {
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return [
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'title' => sanitize_text_field((string) ($new_instance['title'] ?? '')),
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'taxonomy' => sanitize_key((string) ($new_instance['taxonomy'] ?? 'category')),
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'number' => max(1, min(30, (int) ($new_instance['number'] ?? 8))),
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'columns' => max(1, min(4, (int) ($new_instance['columns'] ?? 2))),
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'orderby' => in_array(($new_instance['orderby'] ?? ''), ['count', 'name', 'id'], true) ? $new_instance['orderby'] : 'count',
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'include' => sanitize_text_field((string) ($new_instance['include'] ?? '')),
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'hide_empty' => !empty($new_instance['hide_empty']) ? 1 : 0,
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];
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}
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}
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