import { defineComponent, ref, computed, watch, provide, getCurrentInstance, resolveComponent, openBlock, createElementBlock, normalizeClass, Fragment, renderList, createBlock, renderSlot, createElementVNode, toDisplayString, createCommentVNode, withDirectives, vShow } from 'vue';
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import '../../../utils/index.mjs';
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import '../../../hooks/index.mjs';
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import '../../form/index.mjs';
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import TreeStore from './model/tree-store.mjs';
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import { getNodeKey, handleCurrentChange } from './model/util.mjs';
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import ElTreeNode from './tree-node.mjs';
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import { useNodeExpandEventBroadcast } from './model/useNodeExpandEventBroadcast.mjs';
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import { useDragNodeHandler } from './model/useDragNode.mjs';
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import { useKeydown } from './model/useKeydown.mjs';
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import _export_sfc from '../../../_virtual/plugin-vue_export-helper.mjs';
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import { iconPropType } from '../../../utils/vue/icon.mjs';
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import { useLocale } from '../../../hooks/use-locale/index.mjs';
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import { useNamespace } from '../../../hooks/use-namespace/index.mjs';
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import { formItemContextKey } from '../../form/src/constants.mjs';
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const _sfc_main = defineComponent({
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name: "ElTree",
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components: { ElTreeNode },
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props: {
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data: {
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type: Array,
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default: () => []
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},
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emptyText: {
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type: String
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},
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renderAfterExpand: {
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type: Boolean,
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default: true
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},
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nodeKey: String,
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checkStrictly: Boolean,
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defaultExpandAll: Boolean,
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expandOnClickNode: {
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type: Boolean,
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default: true
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},
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checkOnClickNode: Boolean,
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checkDescendants: {
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type: Boolean,
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default: false
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},
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autoExpandParent: {
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type: Boolean,
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default: true
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},
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defaultCheckedKeys: Array,
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defaultExpandedKeys: Array,
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currentNodeKey: [String, Number],
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renderContent: Function,
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showCheckbox: {
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type: Boolean,
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default: false
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},
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draggable: {
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type: Boolean,
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default: false
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},
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allowDrag: Function,
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allowDrop: Function,
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props: {
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type: Object,
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default: () => ({
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children: "children",
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label: "label",
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disabled: "disabled"
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})
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},
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lazy: {
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type: Boolean,
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default: false
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},
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highlightCurrent: Boolean,
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load: Function,
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filterNodeMethod: Function,
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accordion: Boolean,
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indent: {
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type: Number,
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default: 18
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},
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icon: {
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type: iconPropType
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}
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},
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emits: [
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"check-change",
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"current-change",
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"node-click",
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"node-contextmenu",
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"node-collapse",
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"node-expand",
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"check",
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"node-drag-start",
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"node-drag-end",
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"node-drop",
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"node-drag-leave",
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"node-drag-enter",
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"node-drag-over"
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],
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setup(props, ctx) {
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const { t } = useLocale();
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const ns = useNamespace("tree");
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const store = ref(new TreeStore({
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key: props.nodeKey,
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data: props.data,
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lazy: props.lazy,
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props: props.props,
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load: props.load,
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currentNodeKey: props.currentNodeKey,
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checkStrictly: props.checkStrictly,
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checkDescendants: props.checkDescendants,
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defaultCheckedKeys: props.defaultCheckedKeys,
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defaultExpandedKeys: props.defaultExpandedKeys,
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autoExpandParent: props.autoExpandParent,
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defaultExpandAll: props.defaultExpandAll,
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filterNodeMethod: props.filterNodeMethod
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}));
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store.value.initialize();
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const root = ref(store.value.root);
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const currentNode = ref(null);
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const el$ = ref(null);
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const dropIndicator$ = ref(null);
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const { broadcastExpanded } = useNodeExpandEventBroadcast(props);
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const { dragState } = useDragNodeHandler({
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props,
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ctx,
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el$,
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dropIndicator$,
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store
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});
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useKeydown({ el$ }, store);
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const isEmpty = computed(() => {
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const { childNodes } = root.value;
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return !childNodes || childNodes.length === 0 || childNodes.every(({ visible }) => !visible);
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});
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watch(() => props.currentNodeKey, (newVal) => {
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store.value.setCurrentNodeKey(newVal);
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});
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watch(() => props.defaultCheckedKeys, (newVal) => {
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store.value.setDefaultCheckedKey(newVal);
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});
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watch(() => props.defaultExpandedKeys, (newVal) => {
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store.value.setDefaultExpandedKeys(newVal);
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});
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watch(() => props.data, (newVal) => {
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store.value.setData(newVal);
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}, { deep: true });
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watch(() => props.checkStrictly, (newVal) => {
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store.value.checkStrictly = newVal;
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});
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const filter = (value) => {
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if (!props.filterNodeMethod)
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throw new Error("[Tree] filterNodeMethod is required when filter");
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store.value.filter(value);
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};
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const getNodeKey$1 = (node) => {
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return getNodeKey(props.nodeKey, node.data);
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};
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const getNodePath = (data) => {
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if (!props.nodeKey)
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throw new Error("[Tree] nodeKey is required in getNodePath");
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const node = store.value.getNode(data);
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if (!node)
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return [];
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const path = [node.data];
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let parent = node.parent;
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while (parent && parent !== root.value) {
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path.push(parent.data);
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parent = parent.parent;
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}
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return path.reverse();
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};
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const getCheckedNodes = (leafOnly, includeHalfChecked) => {
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return store.value.getCheckedNodes(leafOnly, includeHalfChecked);
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};
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const getCheckedKeys = (leafOnly) => {
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return store.value.getCheckedKeys(leafOnly);
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};
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const getCurrentNode = () => {
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const currentNode2 = store.value.getCurrentNode();
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return currentNode2 ? currentNode2.data : null;
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};
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const getCurrentKey = () => {
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if (!props.nodeKey)
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throw new Error("[Tree] nodeKey is required in getCurrentKey");
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const currentNode2 = getCurrentNode();
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return currentNode2 ? currentNode2[props.nodeKey] : null;
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};
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const setCheckedNodes = (nodes, leafOnly) => {
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if (!props.nodeKey)
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throw new Error("[Tree] nodeKey is required in setCheckedNodes");
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store.value.setCheckedNodes(nodes, leafOnly);
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};
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const setCheckedKeys = (keys, leafOnly) => {
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if (!props.nodeKey)
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throw new Error("[Tree] nodeKey is required in setCheckedKeys");
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store.value.setCheckedKeys(keys, leafOnly);
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};
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const setChecked = (data, checked, deep) => {
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store.value.setChecked(data, checked, deep);
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};
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const getHalfCheckedNodes = () => {
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return store.value.getHalfCheckedNodes();
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};
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const getHalfCheckedKeys = () => {
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return store.value.getHalfCheckedKeys();
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};
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const setCurrentNode = (node, shouldAutoExpandParent = true) => {
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if (!props.nodeKey)
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throw new Error("[Tree] nodeKey is required in setCurrentNode");
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handleCurrentChange(store, ctx.emit, () => store.value.setUserCurrentNode(node, shouldAutoExpandParent));
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};
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const setCurrentKey = (key, shouldAutoExpandParent = true) => {
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if (!props.nodeKey)
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throw new Error("[Tree] nodeKey is required in setCurrentKey");
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handleCurrentChange(store, ctx.emit, () => store.value.setCurrentNodeKey(key, shouldAutoExpandParent));
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};
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const getNode = (data) => {
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return store.value.getNode(data);
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};
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const remove = (data) => {
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store.value.remove(data);
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};
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const append = (data, parentNode) => {
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store.value.append(data, parentNode);
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};
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const insertBefore = (data, refNode) => {
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store.value.insertBefore(data, refNode);
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};
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const insertAfter = (data, refNode) => {
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store.value.insertAfter(data, refNode);
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};
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const handleNodeExpand = (nodeData, node, instance) => {
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broadcastExpanded(node);
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ctx.emit("node-expand", nodeData, node, instance);
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};
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const updateKeyChildren = (key, data) => {
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if (!props.nodeKey)
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throw new Error("[Tree] nodeKey is required in updateKeyChild");
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store.value.updateChildren(key, data);
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};
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provide("RootTree", {
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ctx,
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props,
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store,
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root,
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currentNode,
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instance: getCurrentInstance()
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});
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provide(formItemContextKey, void 0);
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return {
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ns,
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store,
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root,
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currentNode,
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dragState,
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el$,
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dropIndicator$,
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isEmpty,
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filter,
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getNodeKey: getNodeKey$1,
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getNodePath,
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getCheckedNodes,
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getCheckedKeys,
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getCurrentNode,
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getCurrentKey,
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setCheckedNodes,
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setCheckedKeys,
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setChecked,
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getHalfCheckedNodes,
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getHalfCheckedKeys,
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setCurrentNode,
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setCurrentKey,
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t,
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getNode,
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remove,
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append,
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insertBefore,
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insertAfter,
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handleNodeExpand,
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updateKeyChildren
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};
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}
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});
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function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
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const _component_el_tree_node = resolveComponent("el-tree-node");
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return openBlock(), createElementBlock("div", {
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ref: "el$",
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class: normalizeClass([
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_ctx.ns.b(),
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_ctx.ns.is("dragging", !!_ctx.dragState.draggingNode),
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_ctx.ns.is("drop-not-allow", !_ctx.dragState.allowDrop),
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_ctx.ns.is("drop-inner", _ctx.dragState.dropType === "inner"),
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{ [_ctx.ns.m("highlight-current")]: _ctx.highlightCurrent }
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]),
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role: "tree"
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}, [
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(openBlock(true), createElementBlock(Fragment, null, renderList(_ctx.root.childNodes, (child) => {
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return openBlock(), createBlock(_component_el_tree_node, {
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key: _ctx.getNodeKey(child),
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node: child,
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props: _ctx.props,
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accordion: _ctx.accordion,
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"render-after-expand": _ctx.renderAfterExpand,
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"show-checkbox": _ctx.showCheckbox,
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"render-content": _ctx.renderContent,
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onNodeExpand: _ctx.handleNodeExpand
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}, null, 8, ["node", "props", "accordion", "render-after-expand", "show-checkbox", "render-content", "onNodeExpand"]);
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}), 128)),
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_ctx.isEmpty ? (openBlock(), createElementBlock("div", {
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key: 0,
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class: normalizeClass(_ctx.ns.e("empty-block"))
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}, [
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renderSlot(_ctx.$slots, "empty", {}, () => {
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var _a;
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return [
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createElementVNode("span", {
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class: normalizeClass(_ctx.ns.e("empty-text"))
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}, toDisplayString((_a = _ctx.emptyText) != null ? _a : _ctx.t("el.tree.emptyText")), 3)
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];
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})
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], 2)) : createCommentVNode("v-if", true),
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withDirectives(createElementVNode("div", {
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ref: "dropIndicator$",
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class: normalizeClass(_ctx.ns.e("drop-indicator"))
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}, null, 2), [
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[vShow, _ctx.dragState.showDropIndicator]
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])
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], 2);
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}
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var Tree = /* @__PURE__ */ _export_sfc(_sfc_main, [["render", _sfc_render], ["__file", "/home/runner/work/element-plus/element-plus/packages/components/tree/src/tree.vue"]]);
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export { Tree as default };
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//# sourceMappingURL=tree.mjs.map
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