79 lines
3.3 KiB
Vue
79 lines
3.3 KiB
Vue
<template>
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<div class="aa-tabs-enh" ref="root">
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<div class="aa-tabs-enh-bar" @contextmenu="onBarContext" @dragover.prevent @drop="onDrop">
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<div
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v-for="t in tabs"
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:key="t.id"
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class="aa-tabs-enh-tab"
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:class="{ 'is-active': t.id === activeId }"
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draggable="true"
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:data-id="t.id"
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@click="activeId = t.id"
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@dragstart="dragId = t.id"
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@contextmenu="onTabContext($event, t.id)"
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>
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<span v-if="t.dirty" class="aa-dot"></span>
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<span class="aa-tabs-enh-text">{{ t.title }}</span>
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<span class="aa-tabs-enh-close" @click.stop="closeTab(t.id)">×</span>
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</div>
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</div>
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<div class="aa-tabs-enh-panel">{{ activeTab ? activeTab.title + '：' + activeTab.desc : '请选择页签' }}</div>
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<div v-if="menu" class="aa-tabs-enh-menu" :style="{ left: menu.x + 'px', top: menu.y + 'px' }">
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<div @click="menuAct('close')">关闭</div>
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<div @click="menuAct('other')">关闭其他</div>
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<div @click="menuAct('all')">关闭全部</div>
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</div>
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<p class="aa-tabs-enh-hint">拖拽标签可排序；右键标签打开菜单；带 ● 表示未保存。</p>
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</div>
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</template>
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<script setup>
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import { ref, computed, onMounted, onBeforeUnmount } from 'vue';
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const tabs = ref([
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{ id: 'u', title: '用户管理', dirty: false, desc: '用户列表与权限配置。' },
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{ id: 'r', title: '角色管理', dirty: true, desc: '角色权限分配（有未保存修改）。' },
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{ id: 'm', title: '菜单管理', dirty: false, desc: '导航菜单树形配置。' },
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{ id: 'p', title: '参数配置', dirty: true, desc: '系统参数键值对管理。' },
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{ id: 'l', title: '日志查询', dirty: false, desc: '操作日志检索与导出。' }
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]);
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const activeId = ref('u');
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const dragId = ref(null);
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const menu = ref(null);
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const menuId = ref('');
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const root = ref(null);
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const activeTab = computed(() => tabs.value.filter((t) => t.id === activeId.value)[0] || null);
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function closeTab(id) {
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if (tabs.value.length <= 1) return;
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const idx = tabs.value.findIndex((t) => t.id === id);
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tabs.value.splice(idx, 1);
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if (activeId.value === id) activeId.value = tabs.value[Math.max(0, idx - 1)].id;
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}
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function onTabContext(e, id) { e.preventDefault(); menu.value = { x: e.clientX, y: e.clientY }; menuId.value = id; }
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function onBarContext(e) { if (e.target.closest('.aa-tabs-enh-tab')) e.preventDefault(); }
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function menuAct(act) {
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if (act === 'close') closeTab(menuId.value);
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else if (act === 'other') tabs.value = tabs.value.filter((t) => t.id === menuId.value);
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else if (act === 'all') tabs.value = [];
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activeId.value = tabs.value.length ? menuId.value : '';
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menu.value = null;
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}
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function onDrop(e) {
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const el = e.target.closest('.aa-tabs-enh-tab');
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const id = el && el.dataset.id;
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if (!id || !dragId.value) return;
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const from = tabs.value.findIndex((t) => t.id === dragId.value);
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const to = tabs.value.findIndex((t) => t.id === id);
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if (from < 0 || to < 0 || from === to) return;
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const moved = tabs.value.splice(from, 1)[0];
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tabs.value.splice(to, 0, moved);
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}
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function onDoc(e) { if (root.value && !root.value.contains(e.target)) menu.value = null; }
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onMounted(() => document.addEventListener('click', onDoc));
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onBeforeUnmount(() => document.removeEventListener('click', onDoc));
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</script>
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<style src="./EnhancedTabNav.css"></style>
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