154 lines
4.9 KiB
PHP
154 lines
4.9 KiB
PHP
<?php
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namespace app\plugins\vr_ticket\hook;
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use think\facade\Db;
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/**
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* 后台商品管理列表页钩子
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* 用于修改搜索区域的生产地选择器 placeholder
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*/
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class AdminGoodsIndex
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{
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public function handle($params = [])
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{
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// 仅在后台商品管理页面生效
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if (($params['is_backend'] ?? false) !== true) {
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return '';
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}
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// 检查是否为商品管理内容内部底部钩子
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if (($params['hook_name'] ?? '') !== 'plugins_view_admin_goods_content_inside_bottom') {
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return '';
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}
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// 查询 level=2 城市列表（用于动态替换 placeholder）
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$cityList = Db::name('Region')
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->field('id, name')
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->where(['level' => 2, 'is_enable' => 1])
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->order('sort asc, id asc')
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->select()
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->toArray();
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// 构建城市选项 JSON
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$citiesJson = json_encode($cityList, JSON_UNESCAPED_UNICODE);
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$html = <<<HTML
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<script>
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(function() {
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// 生产地搜索选择器替换函数
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function replaceProduceRegionSelect() {
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// 通过 placeholder 属性查找生产地选择器
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var select = document.querySelector('.form-table-search select[data-placeholder="请选择生产地"]');
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if (!select) {
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return false; // 未找到
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}
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// 检查是否已经替换过（防止重复执行）
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if (select.dataset.vrTicketReplaced === '1') {
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return true; // 已处理
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}
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var cities = {$citiesJson};
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var savedValue = select.value || '';
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// 清空所有选项
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select.innerHTML = '<option value=""></option>';
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// 填充 level=2 城市列表
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cities.forEach(function(city) {
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var opt = document.createElement('option');
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opt.value = city.id;
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opt.textContent = city.name;
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// 如果当前城市 ID 等于保存的值，设置为选中
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if (savedValue && String(savedValue) === String(city.id)) {
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opt.selected = true;
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}
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select.appendChild(opt);
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});
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// 更新 data-placeholder
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select.setAttribute('data-placeholder', '请选择演出城市');
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select.dataset.vrTicketReplaced = '1';
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// 同时更新 label
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var th = select.closest('th');
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if (th) {
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var label = th.querySelector('.am-text-left');
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if (label && label.textContent.trim() === '生产地') {
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label.textContent = '演出城市/生产地';
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}
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}
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// 触发chosen组件更新（如果已初始化）
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if ($.fn.chosen && select.classList.contains('chosen-init-success')) {
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$(select).trigger('chosen:updated');
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}
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return true;
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}
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//轮询检查选择器是否存在
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var pollCount = 0;
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var maxPolls = 50;
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function pollForSelect() {
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pollCount++;
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if (replaceProduceRegionSelect()) {
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console.log('[VR Ticket] produce_region select replaced successfully');
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return;
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}
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// 调试：检查页面上有什么选择器
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if (pollCount === 1) {
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var allSelects = document.querySelectorAll('.form-table-search select');
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console.log('[VR Ticket] All search selects:', Array.from(allSelects).map(s => ({
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name: s.name,
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placeholder: s.getAttribute('data-placeholder')
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})));
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}
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if (pollCount < maxPolls) {
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setTimeout(pollForSelect, 100);
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} else {
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console.log('[VR Ticket] produce_region select not found after ' + maxPolls + ' polls');
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// 最后一次尝试：列出所有 name 属性
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var allSelects = document.querySelectorAll('.form-table-search select');
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console.log('[VR Ticket] Available search selects:', Array.from(allSelects).map(s => ({
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name: s.name,
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placeholder: s.getAttribute('data-placeholder')
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})));
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}
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}
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// 延迟启动轮询，等待页面 JS 执行
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setTimeout(pollForSelect, 200);
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// 同时监听 DOM 变化以处理动态加载的情况
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if (typeof MutationObserver !== 'undefined') {
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var observer = new MutationObserver(function(mutations) {
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if (replaceProduceRegionSelect()) {
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observer.disconnect();
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}
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});
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// 延迟初始化观察器
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setTimeout(function() {
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var contentArea = document.querySelector('.form-table-content');
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if (contentArea) {
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observer.observe(contentArea, {
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childList: true,
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subtree: true
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});
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}
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}, 500);
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}
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})();
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</script>
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HTML;
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return $html;
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}
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}
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