125 lines
2.9 KiB
Vue
125 lines
2.9 KiB
Vue
<script setup lang="ts">
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import type { Sortable } from '@vben-core/composables';
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import type { TabDefinition } from '@vben-core/typings';
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import { nextTick, onMounted, onUnmounted, ref, watch } from 'vue';
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import { useForwardPropsEmits, useSortable } from '@vben-core/composables';
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import { Tabs, TabsChrome } from './components';
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import { TabsProps } from './types';
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interface Props extends TabsProps {}
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defineOptions({
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name: 'TabsView',
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});
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const props = withDefaults(defineProps<Props>(), {
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contentClass: 'vben-tabs-content',
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dragable: true,
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styleType: 'chrome',
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});
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const emit = defineEmits<{
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close: [string];
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sortTabs: [number, number];
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unpin: [TabDefinition];
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}>();
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const forward = useForwardPropsEmits(props, emit);
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const sortableInstance = ref<null | Sortable>(null);
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// 可能会找到拖拽的子元素，这里需要确保拖拽的dom时tab元素
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function findParentElement(element: HTMLElement) {
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const parentCls = 'group';
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return element.classList.contains(parentCls)
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? element
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: element.closest(`.${parentCls}`);
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}
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async function initTabsSortable() {
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await nextTick();
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const { contentClass } = props;
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const el = document.querySelectorAll(`.${contentClass}`)?.[0] as HTMLElement;
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const resetElState = () => {
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el.style.cursor = 'default';
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el.classList.remove('dragging');
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};
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const { initializeSortable } = useSortable(el, {
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filter: (_evt, target: HTMLElement) => {
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const parent = findParentElement(target);
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const dragable = parent?.classList.contains('dragable');
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return !dragable || !props.dragable;
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},
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onEnd(evt) {
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const { newIndex, oldIndex } = evt;
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// const fromElement = evt.item;
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const { srcElement } = (evt as any).originalEvent;
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if (!srcElement) {
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resetElState();
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return;
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}
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const srcParent = findParentElement(srcElement);
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if (!srcParent) {
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resetElState();
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return;
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}
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if (!srcParent.classList.contains('dragable')) {
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resetElState();
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return;
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}
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if (
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oldIndex !== undefined &&
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newIndex !== undefined &&
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!Number.isNaN(oldIndex) &&
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!Number.isNaN(newIndex) &&
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oldIndex !== newIndex
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) {
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emit('sortTabs', oldIndex, newIndex);
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}
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resetElState();
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},
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onMove(evt) {
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const parent = findParentElement(evt.related);
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return parent?.classList.contains('dragable') && props.dragable;
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},
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onStart: () => {
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el.style.cursor = 'grabbing';
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el.classList.add('dragging');
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},
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});
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sortableInstance.value = await initializeSortable();
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}
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onMounted(initTabsSortable);
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watch(
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() => props.styleType,
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() => {
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sortableInstance.value?.destroy();
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initTabsSortable();
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},
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);
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onUnmounted(() => {
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sortableInstance.value?.destroy();
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});
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</script>
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<template>
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<TabsChrome v-if="styleType === 'chrome'" v-bind="forward" />
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<Tabs v-else v-bind="forward" />
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</template>
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