2021-08-17 14:05:24 +00:00
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import type { NodeMouseEventHandler, NodeDragEventHandler } from './contextTypes';
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import { TreeContext } from './contextTypes';
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2021-08-17 06:36:46 +00:00
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import {
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getDataAndAria,
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getDragChildrenKeys,
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parseCheckedKeys,
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conductExpandParent,
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calcSelectedKeys,
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calcDropPosition,
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arrAdd,
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arrDel,
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posToArr,
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} from './util';
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2021-08-17 14:05:24 +00:00
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import type { Key, FlattenNode, EventDataNode, NodeInstance, ScrollTo } from './interface';
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2021-08-17 06:36:46 +00:00
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import {
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flattenTreeData,
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convertTreeToData,
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convertDataToEntities,
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convertNodePropsToEventData,
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getTreeNodeProps,
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fillFieldNames,
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} from './utils/treeUtil';
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import NodeList, { MOTION_KEY, MotionEntity } from './NodeList';
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import { conductCheck } from './utils/conductUtil';
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import DropIndicator from './DropIndicator';
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import { computed, defineComponent, onMounted, onUnmounted, reactive, ref, watchEffect } from 'vue';
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import initDefaultProps from '../_util/props-util/initDefaultProps';
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2021-08-17 14:05:24 +00:00
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import type { CheckInfo } from './props';
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import { treeProps } from './props';
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2021-08-17 06:36:46 +00:00
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import { warning } from '../vc-util/warning';
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import KeyCode from '../_util/KeyCode';
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import classNames from '../_util/classNames';
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export default defineComponent({
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name: 'Tree',
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inheritAttrs: false,
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2021-08-17 14:03:49 +00:00
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slots: ['checkable'],
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2021-08-17 06:36:46 +00:00
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props: initDefaultProps(treeProps(), {
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prefixCls: 'vc-tree',
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showLine: false,
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showIcon: true,
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selectable: true,
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multiple: false,
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checkable: false,
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disabled: false,
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checkStrictly: false,
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draggable: false,
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defaultExpandParent: true,
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autoExpandParent: false,
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defaultExpandAll: false,
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defaultExpandedKeys: [],
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defaultCheckedKeys: [],
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defaultSelectedKeys: [],
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dropIndicatorRender: DropIndicator,
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allowDrop: () => true,
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}),
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setup(props, { attrs, slots }) {
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2021-08-17 06:36:46 +00:00
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const destroyed = ref(false);
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let delayedDragEnterLogic: Record<Key, number> = {};
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const indent = ref();
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const selectedKeys = ref([]);
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const checkedKeys = ref([]);
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const halfCheckedKeys = ref([]);
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const loadedKeys = ref([]);
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const loadingKeys = ref([]);
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const expandedKeys = ref([]);
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const dragState = reactive({
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dragging: false,
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dragChildrenKeys: [],
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// dropTargetKey is the key of abstract-drop-node
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// the abstract-drop-node is the real drop node when drag and drop
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// not the DOM drag over node
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dropTargetKey: null,
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dropPosition: null, // the drop position of abstract-drop-node, inside 0, top -1, bottom 1
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dropContainerKey: null, // the container key of abstract-drop-node if dropPosition is -1 or 1
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dropLevelOffset: null, // the drop level offset of abstract-drag-over-node
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dropTargetPos: null, // the pos of abstract-drop-node
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dropAllowed: true, // if drop to abstract-drop-node is allowed
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// the abstract-drag-over-node
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// if mouse is on the bottom of top dom node or no the top of the bottom dom node
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// abstract-drag-over-node is the top node
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dragOverNodeKey: null,
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});
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const treeData = computed(() => {
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warning(
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!(props.treeData === undefined && props.children),
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'`children` of Tree is deprecated. Please use `treeData` instead.',
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);
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return props.treeData !== undefined ? props.treeData : convertTreeToData(props.children);
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});
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const keyEntities = ref({});
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const focused = ref(false);
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const activeKey = ref<Key>(null);
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const listChanging = ref(false);
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const fieldNames = computed(() => fillFieldNames(props.fieldNames));
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const listRef = ref();
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let dragStartMousePosition = null;
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let dragNode = null;
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const treeNodeRequiredProps = computed(() => {
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return {
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expandedKeys: expandedKeys.value || [],
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selectedKeys: selectedKeys.value || [],
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loadedKeys: loadedKeys.value || [],
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loadingKeys: loadingKeys.value || [],
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checkedKeys: checkedKeys.value || [],
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halfCheckedKeys: halfCheckedKeys.value || [],
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dragOverNodeKey: dragState.dragOverNodeKey,
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dropPosition: dragState.dropPosition,
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keyEntities: keyEntities.value,
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};
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});
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2021-08-17 06:36:46 +00:00
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watchEffect(() => {
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if (treeData.value) {
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const entitiesMap = convertDataToEntities(treeData.value, { fieldNames: fieldNames.value });
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keyEntities.value = {
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[MOTION_KEY]: MotionEntity,
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...entitiesMap.keyEntities,
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};
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}
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});
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let init = false; // 处理 defaultXxxx api, 仅仅首次有效
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onMounted(() => {
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init = true;
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});
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// ================ expandedKeys =================
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watchEffect(() => {
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let keys = expandedKeys.value;
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// ================ expandedKeys =================
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if (props.expandedKeys !== undefined || (init && props.autoExpandParent)) {
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keys =
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props.autoExpandParent || (!init && props.defaultExpandParent)
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? conductExpandParent(props.expandedKeys, keyEntities.value)
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: props.expandedKeys;
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} else if (!init && props.defaultExpandAll) {
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const cloneKeyEntities = { ...keyEntities };
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delete cloneKeyEntities[MOTION_KEY];
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keys = Object.keys(cloneKeyEntities).map(key => cloneKeyEntities[key].key);
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} else if (!init && props.defaultExpandedKeys) {
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keys =
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props.autoExpandParent || props.defaultExpandParent
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? conductExpandParent(props.defaultExpandedKeys, keyEntities.value)
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: props.defaultExpandedKeys;
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}
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if (keys) {
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expandedKeys.value = keys;
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}
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});
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// ================ flattenNodes =================
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const flattenNodes = computed(() => {
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return flattenTreeData(treeData.value, expandedKeys.value, fieldNames.value);
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});
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// ================ selectedKeys =================
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watchEffect(() => {
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if (props.selectable) {
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if (props.selectedKeys !== undefined) {
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selectedKeys.value = calcSelectedKeys(props.selectedKeys, props);
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} else if (!init && props.defaultSelectedKeys) {
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selectedKeys.value = calcSelectedKeys(props.defaultSelectedKeys, props);
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}
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}
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});
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// ================= checkedKeys =================
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watchEffect(() => {
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if (props.checkable) {
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let checkedKeyEntity;
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if (props.checkedKeys !== undefined) {
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checkedKeyEntity = parseCheckedKeys(props.checkedKeys) || {};
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} else if (!init && props.defaultCheckedKeys) {
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checkedKeyEntity = parseCheckedKeys(props.defaultCheckedKeys) || {};
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} else if (treeData.value) {
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// If `treeData` changed, we also need check it
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checkedKeyEntity = parseCheckedKeys(props.checkedKeys) || {
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checkedKeys: checkedKeys.value,
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halfCheckedKeys: halfCheckedKeys.value,
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};
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}
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if (checkedKeyEntity) {
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let { checkedKeys: newCheckedKeys = [], halfCheckedKeys: newHalfCheckedKeys = [] } =
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checkedKeyEntity;
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if (!props.checkStrictly) {
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const conductKeys = conductCheck(newCheckedKeys, true, keyEntities.value);
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({ checkedKeys: newCheckedKeys, halfCheckedKeys: newHalfCheckedKeys } = conductKeys);
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}
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checkedKeys.value = newCheckedKeys;
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halfCheckedKeys.value = newHalfCheckedKeys;
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}
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}
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});
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// ================= loadedKeys ==================
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watchEffect(() => {
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if (props.loadedKeys) {
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loadedKeys.value = props.loadedKeys;
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}
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});
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const scrollTo: ScrollTo = scroll => {
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listRef.value.scrollTo(scroll);
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};
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// =========================== Expanded ===========================
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/** Set uncontrolled `expandedKeys`. This will also auto update `flattenNodes`. */
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const setExpandedKeys = (keys: Key[]) => {
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if (props.expandedKeys !== undefined) {
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expandedKeys.value = keys;
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}
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};
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const cleanDragState = () => {
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if (dragState.dragging) {
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Object.assign(dragState, {
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dragging: false,
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dropPosition: null,
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dropContainerKey: null,
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dropTargetKey: null,
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dropLevelOffset: null,
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dropAllowed: true,
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dragOverNodeKey: null,
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});
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}
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dragStartMousePosition = null;
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};
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// if onNodeDragEnd is called, onWindowDragEnd won't be called since stopPropagation() is called
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const onNodeDragEnd: NodeDragEventHandler = (event, node, outsideTree = false) => {
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const { onDragend } = props;
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dragState.dragOverNodeKey = null;
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cleanDragState();
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if (onDragend && !outsideTree) {
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onDragend({ event, node: convertNodePropsToEventData(node.props) });
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}
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dragNode = null;
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};
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// since stopPropagation() is called in treeNode
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// if onWindowDrag is called, whice means state is keeped, drag state should be cleared
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const onWindowDragEnd = event => {
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onNodeDragEnd(event, null, true);
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window.removeEventListener('dragend', onWindowDragEnd);
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};
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const onNodeDragStart: NodeDragEventHandler = (event, node) => {
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const { onDragstart } = props;
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const { eventKey } = node.props;
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dragNode = node;
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dragStartMousePosition = {
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x: event.clientX,
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y: event.clientY,
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};
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const newExpandedKeys = arrDel(expandedKeys.value, eventKey);
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dragState.dragging = true;
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dragState.dragChildrenKeys = getDragChildrenKeys(eventKey, keyEntities.value);
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indent.value = listRef.value.getIndentWidth();
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setExpandedKeys(newExpandedKeys);
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window.addEventListener('dragend', onWindowDragEnd);
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if (onDragstart) {
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onDragstart({ event, node: convertNodePropsToEventData(node.props) });
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}
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};
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/**
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* [Legacy] Select handler is smaller than node,
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* so that this will trigger when drag enter node or select handler.
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* This is a little tricky if customize css without padding.
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* Better for use mouse move event to refresh drag state.
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* But let's just keep it to avoid event trigger logic change.
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*/
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const onNodeDragEnter = (event: MouseEvent, node: NodeInstance) => {
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const { onDragenter, onExpand, allowDrop, direction } = props;
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const { pos } = node.props;
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const {
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dropPosition,
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dropLevelOffset,
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dropTargetKey,
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dropContainerKey,
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dropTargetPos,
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dropAllowed,
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dragOverNodeKey,
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} = calcDropPosition(
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event,
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dragNode,
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node,
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indent.value,
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dragStartMousePosition,
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allowDrop,
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flattenNodes.value,
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keyEntities.value,
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expandedKeys.value,
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direction,
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);
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if (
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!dragNode ||
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// don't allow drop inside its children
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dragState.dragChildrenKeys.indexOf(dropTargetKey) !== -1 ||
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// don't allow drop when drop is not allowed caculated by calcDropPosition
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!dropAllowed
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) {
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Object.assign(dragState, {
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dragOverNodeKey: null,
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dropPosition: null,
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dropLevelOffset: null,
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dropTargetKey: null,
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dropContainerKey: null,
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dropTargetPos: null,
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dropAllowed: false,
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});
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return;
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}
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// Side effect for delay drag
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if (!delayedDragEnterLogic) {
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delayedDragEnterLogic = {};
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}
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Object.keys(delayedDragEnterLogic).forEach(key => {
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clearTimeout(delayedDragEnterLogic[key]);
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});
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if (dragNode.props.eventKey !== node.props.eventKey) {
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// hoist expand logic here
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// since if logic is on the bottom
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// it will be blocked by abstract dragover node check
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// => if you dragenter from top, you mouse will still be consider as in the top node
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(event as any).persist();
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delayedDragEnterLogic[pos] = window.setTimeout(() => {
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if (!dragState.dragging) return;
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let newExpandedKeys = [...expandedKeys.value];
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const entity = keyEntities[node.props.eventKey];
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if (entity && (entity.children || []).length) {
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newExpandedKeys = arrAdd(expandedKeys.value, node.props.eventKey);
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}
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setExpandedKeys(newExpandedKeys);
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if (onExpand) {
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onExpand(newExpandedKeys, {
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node: convertNodePropsToEventData(node.props),
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expanded: true,
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nativeEvent: (event as any).nativeEvent,
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});
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}
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}, 800);
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}
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// Skip if drag node is self
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if (dragNode.props.eventKey === dropTargetKey && dropLevelOffset === 0) {
|
|
|
|
Object.assign(dragState, {
|
|
|
|
dragOverNodeKey: null,
|
|
|
|
dropPosition: null,
|
|
|
|
dropLevelOffset: null,
|
|
|
|
dropTargetKey: null,
|
|
|
|
dropContainerKey: null,
|
|
|
|
dropTargetPos: null,
|
|
|
|
dropAllowed: false,
|
|
|
|
});
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Update drag over node and drag state
|
|
|
|
Object.assign(dragState, {
|
|
|
|
dragOverNodeKey,
|
|
|
|
dropPosition,
|
|
|
|
dropLevelOffset,
|
|
|
|
dropTargetKey,
|
|
|
|
dropContainerKey,
|
|
|
|
dropTargetPos,
|
|
|
|
dropAllowed,
|
|
|
|
});
|
|
|
|
|
|
|
|
if (onDragenter) {
|
|
|
|
onDragenter({
|
|
|
|
event,
|
|
|
|
node: convertNodePropsToEventData(node.props),
|
|
|
|
expandedKeys: expandedKeys.value,
|
|
|
|
});
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onNodeDragOver = (event: MouseEvent, node: NodeInstance) => {
|
|
|
|
const { onDragover, allowDrop, direction } = props;
|
|
|
|
|
|
|
|
const {
|
|
|
|
dropPosition,
|
|
|
|
dropLevelOffset,
|
|
|
|
dropTargetKey,
|
|
|
|
dropContainerKey,
|
|
|
|
dropAllowed,
|
|
|
|
dropTargetPos,
|
|
|
|
dragOverNodeKey,
|
|
|
|
} = calcDropPosition(
|
|
|
|
event,
|
|
|
|
dragNode,
|
|
|
|
node,
|
|
|
|
indent.value,
|
|
|
|
dragStartMousePosition,
|
|
|
|
allowDrop,
|
|
|
|
flattenNodes.value,
|
|
|
|
keyEntities.value,
|
|
|
|
expandedKeys.value,
|
|
|
|
direction,
|
|
|
|
);
|
|
|
|
|
|
|
|
if (!dragNode || dragState.dragChildrenKeys.indexOf(dropTargetKey) !== -1 || !dropAllowed) {
|
|
|
|
// don't allow drop inside its children
|
|
|
|
// don't allow drop when drop is not allowed caculated by calcDropPosition
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Update drag position
|
|
|
|
|
|
|
|
if (dragNode.props.eventKey === dropTargetKey && dropLevelOffset === 0) {
|
|
|
|
if (
|
|
|
|
!(
|
|
|
|
dragState.dropPosition === null &&
|
|
|
|
dragState.dropLevelOffset === null &&
|
|
|
|
dragState.dropTargetKey === null &&
|
|
|
|
dragState.dropContainerKey === null &&
|
|
|
|
dragState.dropTargetPos === null &&
|
|
|
|
dragState.dropAllowed === false &&
|
|
|
|
dragState.dragOverNodeKey === null
|
|
|
|
)
|
|
|
|
) {
|
|
|
|
Object.assign(dragState, {
|
|
|
|
dropPosition: null,
|
|
|
|
dropLevelOffset: null,
|
|
|
|
dropTargetKey: null,
|
|
|
|
dropContainerKey: null,
|
|
|
|
dropTargetPos: null,
|
|
|
|
dropAllowed: false,
|
|
|
|
dragOverNodeKey: null,
|
|
|
|
});
|
|
|
|
}
|
|
|
|
} else if (
|
|
|
|
!(
|
|
|
|
dropPosition === dragState.dropPosition &&
|
|
|
|
dropLevelOffset === dragState.dropLevelOffset &&
|
|
|
|
dropTargetKey === dragState.dropTargetKey &&
|
|
|
|
dropContainerKey === dragState.dropContainerKey &&
|
|
|
|
dropTargetPos === dragState.dropTargetPos &&
|
|
|
|
dropAllowed === dragState.dropAllowed &&
|
|
|
|
dragOverNodeKey === dragState.dragOverNodeKey
|
|
|
|
)
|
|
|
|
) {
|
|
|
|
Object.assign(dragState, {
|
|
|
|
dropPosition,
|
|
|
|
dropLevelOffset,
|
|
|
|
dropTargetKey,
|
|
|
|
dropContainerKey,
|
|
|
|
dropTargetPos,
|
|
|
|
dropAllowed,
|
|
|
|
dragOverNodeKey,
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
|
|
|
if (onDragover) {
|
|
|
|
onDragover({ event, node: convertNodePropsToEventData(node.props) });
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onNodeDragLeave: NodeDragEventHandler = (event, node) => {
|
|
|
|
const { onDragleave } = props;
|
|
|
|
|
|
|
|
if (onDragleave) {
|
|
|
|
onDragleave({ event, node: convertNodePropsToEventData(node.props) });
|
|
|
|
}
|
|
|
|
};
|
2021-08-17 14:05:24 +00:00
|
|
|
const onNodeDrop = (event: MouseEvent, _node, outsideTree = false) => {
|
2021-08-17 06:36:46 +00:00
|
|
|
const { dragChildrenKeys, dropPosition, dropTargetKey, dropTargetPos, dropAllowed } =
|
|
|
|
dragState;
|
|
|
|
|
|
|
|
if (!dropAllowed) return;
|
|
|
|
|
|
|
|
const { onDrop } = props;
|
|
|
|
|
|
|
|
dragState.dragOverNodeKey = null;
|
|
|
|
cleanDragState();
|
|
|
|
|
|
|
|
if (dropTargetKey === null) return;
|
|
|
|
|
|
|
|
const abstractDropNodeProps = {
|
|
|
|
...getTreeNodeProps(dropTargetKey, treeNodeRequiredProps.value),
|
|
|
|
active: activeItem.value?.data.key === dropTargetKey,
|
|
|
|
data: keyEntities.value[dropTargetKey].node,
|
|
|
|
};
|
|
|
|
const dropToChild = dragChildrenKeys.indexOf(dropTargetKey) !== -1;
|
|
|
|
|
|
|
|
warning(
|
|
|
|
!dropToChild,
|
|
|
|
"Can not drop to dragNode's children node. Maybe this is a bug of ant-design-vue. Please report an issue.",
|
|
|
|
);
|
|
|
|
|
|
|
|
const posArr = posToArr(dropTargetPos);
|
|
|
|
|
|
|
|
const dropResult = {
|
|
|
|
event,
|
|
|
|
node: convertNodePropsToEventData(abstractDropNodeProps),
|
|
|
|
dragNode: dragNode ? convertNodePropsToEventData(dragNode.props) : null,
|
|
|
|
dragNodesKeys: [dragNode.props.eventKey].concat(dragChildrenKeys),
|
|
|
|
dropToGap: dropPosition !== 0,
|
|
|
|
dropPosition: dropPosition + Number(posArr[posArr.length - 1]),
|
|
|
|
};
|
|
|
|
|
|
|
|
if (onDrop && !outsideTree) {
|
|
|
|
onDrop(dropResult);
|
|
|
|
}
|
|
|
|
|
|
|
|
dragNode = null;
|
|
|
|
};
|
|
|
|
|
|
|
|
const onNodeClick: NodeMouseEventHandler = (e, treeNode) => {
|
|
|
|
const { onClick } = props;
|
|
|
|
if (onClick) {
|
|
|
|
onClick(e, treeNode);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onNodeDoubleClick: NodeMouseEventHandler = (e, treeNode) => {
|
|
|
|
const { onDblClick } = props;
|
|
|
|
if (onDblClick) {
|
|
|
|
onDblClick(e, treeNode);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onNodeSelect: NodeMouseEventHandler = (e, treeNode) => {
|
|
|
|
let newSelectedKeys = selectedKeys.value;
|
|
|
|
const { onSelect, multiple } = props;
|
|
|
|
const { selected } = treeNode;
|
|
|
|
const key = treeNode[fieldNames.value.key];
|
|
|
|
const targetSelected = !selected;
|
|
|
|
|
|
|
|
// Update selected keys
|
|
|
|
if (!targetSelected) {
|
|
|
|
newSelectedKeys = arrDel(newSelectedKeys, key);
|
|
|
|
} else if (!multiple) {
|
|
|
|
newSelectedKeys = [key];
|
|
|
|
} else {
|
|
|
|
newSelectedKeys = arrAdd(newSelectedKeys, key);
|
|
|
|
}
|
|
|
|
|
|
|
|
// [Legacy] Not found related usage in doc or upper libs
|
|
|
|
const selectedNodes = newSelectedKeys
|
|
|
|
.map(selectedKey => {
|
|
|
|
const entity = keyEntities.value[selectedKey];
|
|
|
|
if (!entity) return null;
|
|
|
|
|
|
|
|
return entity.node;
|
|
|
|
})
|
|
|
|
.filter(node => node);
|
|
|
|
|
|
|
|
if (props.selectedKeys !== undefined) {
|
|
|
|
selectedKeys.value = newSelectedKeys;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (onSelect) {
|
|
|
|
onSelect(newSelectedKeys, {
|
|
|
|
event: 'select',
|
|
|
|
selected: targetSelected,
|
|
|
|
node: treeNode,
|
|
|
|
selectedNodes,
|
|
|
|
nativeEvent: (e as any).nativeEvent,
|
|
|
|
});
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onNodeCheck = (e: MouseEvent, treeNode: EventDataNode, checked: boolean) => {
|
|
|
|
const { checkStrictly, onCheck } = props;
|
|
|
|
const { key } = treeNode;
|
|
|
|
|
|
|
|
// Prepare trigger arguments
|
|
|
|
let checkedObj;
|
|
|
|
const eventObj: Partial<CheckInfo> = {
|
|
|
|
event: 'check',
|
|
|
|
node: treeNode,
|
|
|
|
checked,
|
|
|
|
nativeEvent: (e as any).nativeEvent,
|
|
|
|
};
|
|
|
|
|
|
|
|
if (checkStrictly) {
|
|
|
|
const newCheckedKeys = checked
|
|
|
|
? arrAdd(checkedKeys.value, key)
|
|
|
|
: arrDel(checkedKeys.value, key);
|
|
|
|
const newHalfCheckedKeys = arrDel(halfCheckedKeys.value, key);
|
|
|
|
checkedObj = { checked: newCheckedKeys, halfChecked: newHalfCheckedKeys };
|
|
|
|
|
|
|
|
eventObj.checkedNodes = newCheckedKeys
|
|
|
|
.map(checkedKey => keyEntities[checkedKey])
|
|
|
|
.filter(entity => entity)
|
|
|
|
.map(entity => entity.node);
|
|
|
|
|
|
|
|
if (props.checkedKeys !== undefined) {
|
|
|
|
checkedKeys.value = newCheckedKeys;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
// Always fill first
|
|
|
|
let { checkedKeys: newCheckedKeys, halfCheckedKeys: newHalfCheckedKeys } = conductCheck(
|
|
|
|
[...checkedKeys.value, key],
|
|
|
|
true,
|
|
|
|
keyEntities.value,
|
|
|
|
);
|
|
|
|
|
|
|
|
// If remove, we do it again to correction
|
|
|
|
if (!checked) {
|
|
|
|
const keySet = new Set(newCheckedKeys);
|
|
|
|
keySet.delete(key);
|
|
|
|
({ checkedKeys: newCheckedKeys, halfCheckedKeys: newHalfCheckedKeys } = conductCheck(
|
|
|
|
Array.from(keySet),
|
|
|
|
{ checked: false, halfCheckedKeys: newHalfCheckedKeys },
|
|
|
|
keyEntities.value,
|
|
|
|
));
|
|
|
|
}
|
|
|
|
|
|
|
|
checkedObj = newCheckedKeys;
|
|
|
|
|
|
|
|
// [Legacy] This is used for `rc-tree-select`
|
|
|
|
eventObj.checkedNodes = [];
|
|
|
|
eventObj.checkedNodesPositions = [];
|
|
|
|
eventObj.halfCheckedKeys = newHalfCheckedKeys;
|
|
|
|
|
|
|
|
newCheckedKeys.forEach(checkedKey => {
|
|
|
|
const entity = keyEntities.value[checkedKey];
|
|
|
|
if (!entity) return;
|
|
|
|
|
|
|
|
const { node, pos } = entity;
|
|
|
|
|
|
|
|
eventObj.checkedNodes.push(node);
|
|
|
|
eventObj.checkedNodesPositions.push({ node, pos });
|
|
|
|
});
|
|
|
|
if (props.checkedKeys !== undefined) {
|
|
|
|
checkedKeys.value = newCheckedKeys;
|
|
|
|
halfCheckedKeys.value = newHalfCheckedKeys;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (onCheck) {
|
|
|
|
onCheck(checkedObj, eventObj as CheckInfo);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onNodeLoad = (treeNode: EventDataNode) =>
|
|
|
|
new Promise<void>((resolve, reject) => {
|
|
|
|
// We need to get the latest state of loading/loaded keys
|
|
|
|
const { loadData, onLoad } = props;
|
|
|
|
const { key } = treeNode;
|
|
|
|
|
|
|
|
if (
|
|
|
|
!loadData ||
|
|
|
|
loadedKeys.value.indexOf(key) !== -1 ||
|
|
|
|
loadingKeys.value.indexOf(key) !== -1
|
|
|
|
) {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Process load data
|
|
|
|
const promise = loadData(treeNode);
|
|
|
|
promise
|
|
|
|
.then(() => {
|
|
|
|
const newLoadedKeys = arrAdd(loadedKeys.value, key);
|
|
|
|
const newLoadingKeys = arrDel(loadingKeys.value, key);
|
|
|
|
|
|
|
|
// onLoad should trigger before internal setState to avoid `loadData` trigger twice.
|
|
|
|
// https://github.com/ant-design/ant-design/issues/12464
|
|
|
|
if (onLoad) {
|
|
|
|
onLoad(newLoadedKeys, {
|
|
|
|
event: 'load',
|
|
|
|
node: treeNode,
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
|
|
|
if (props.loadedKeys !== undefined) {
|
|
|
|
loadedKeys.value = newLoadedKeys;
|
|
|
|
}
|
|
|
|
loadingKeys.value = newLoadingKeys;
|
|
|
|
resolve();
|
|
|
|
})
|
|
|
|
.catch(e => {
|
|
|
|
const newLoadingKeys = arrDel(loadingKeys.value, key);
|
|
|
|
loadingKeys.value = newLoadingKeys;
|
|
|
|
reject(e);
|
|
|
|
});
|
|
|
|
|
|
|
|
loadingKeys.value = arrAdd(loadingKeys.value, key);
|
|
|
|
});
|
|
|
|
|
|
|
|
const onNodeMouseEnter: NodeMouseEventHandler = (event, node) => {
|
|
|
|
const { onMouseenter } = props;
|
|
|
|
if (onMouseenter) {
|
|
|
|
onMouseenter({ event, node });
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onNodeMouseLeave: NodeMouseEventHandler = (event, node) => {
|
|
|
|
const { onMouseleave } = props;
|
|
|
|
if (onMouseleave) {
|
|
|
|
onMouseleave({ event, node });
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onNodeContextMenu: NodeMouseEventHandler = (event, node) => {
|
|
|
|
const { onRightClick } = props;
|
|
|
|
if (onRightClick) {
|
|
|
|
event.preventDefault();
|
|
|
|
onRightClick({ event, node });
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onFocus = (e: FocusEvent) => {
|
|
|
|
const { onFocus } = props;
|
|
|
|
focused.value = true;
|
|
|
|
if (onFocus) {
|
|
|
|
onFocus(e);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onBlur = (e: FocusEvent) => {
|
|
|
|
const { onBlur } = props;
|
|
|
|
focused.value = false;
|
|
|
|
onActiveChange(null);
|
|
|
|
|
|
|
|
if (onBlur) {
|
|
|
|
onBlur(e);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onNodeExpand = (e: MouseEvent, treeNode: EventDataNode) => {
|
|
|
|
let newExpandedKeys = expandedKeys.value;
|
|
|
|
const { onExpand, loadData } = props;
|
|
|
|
const { expanded } = treeNode;
|
|
|
|
const key = treeNode[fieldNames.value.key];
|
|
|
|
|
|
|
|
// Do nothing when motion is in progress
|
|
|
|
if (listChanging.value) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Update selected keys
|
|
|
|
const index = newExpandedKeys.indexOf(key);
|
|
|
|
const targetExpanded = !expanded;
|
|
|
|
|
|
|
|
warning(
|
|
|
|
(expanded && index !== -1) || (!expanded && index === -1),
|
|
|
|
'Expand state not sync with index check',
|
|
|
|
);
|
|
|
|
|
|
|
|
if (targetExpanded) {
|
|
|
|
newExpandedKeys = arrAdd(newExpandedKeys, key);
|
|
|
|
} else {
|
|
|
|
newExpandedKeys = arrDel(newExpandedKeys, key);
|
|
|
|
}
|
|
|
|
|
|
|
|
setExpandedKeys(newExpandedKeys);
|
|
|
|
|
|
|
|
if (onExpand) {
|
|
|
|
onExpand(newExpandedKeys, {
|
|
|
|
node: treeNode,
|
|
|
|
expanded: targetExpanded,
|
|
|
|
nativeEvent: (e as any).nativeEvent,
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
|
|
|
// Async Load data
|
|
|
|
if (targetExpanded && loadData) {
|
|
|
|
const loadPromise = onNodeLoad(treeNode);
|
|
|
|
if (loadPromise) {
|
|
|
|
loadPromise
|
|
|
|
.then(() => {
|
|
|
|
// [Legacy] Refresh logic
|
|
|
|
// const newFlattenTreeData = flattenTreeData(
|
|
|
|
// treeData.value,
|
|
|
|
// newExpandedKeys,
|
|
|
|
// fieldNames.value,
|
|
|
|
// );
|
|
|
|
// flattenNodes.value = newFlattenTreeData;
|
|
|
|
})
|
|
|
|
.catch(() => {
|
|
|
|
const expandedKeysToRestore = arrDel(expandedKeys.value, key);
|
|
|
|
setExpandedKeys(expandedKeysToRestore);
|
|
|
|
});
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onListChangeStart = () => {
|
|
|
|
listChanging.value = true;
|
|
|
|
};
|
|
|
|
|
|
|
|
const onListChangeEnd = () => {
|
|
|
|
setTimeout(() => {
|
|
|
|
listChanging.value = false;
|
|
|
|
});
|
|
|
|
};
|
|
|
|
|
|
|
|
// =========================== Keyboard ===========================
|
|
|
|
const onActiveChange = (newActiveKey: Key) => {
|
|
|
|
const { onActiveChange } = props;
|
|
|
|
|
|
|
|
if (activeKey.value === newActiveKey) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
activeKey.value = newActiveKey;
|
|
|
|
if (newActiveKey !== null) {
|
|
|
|
scrollTo({ key: newActiveKey });
|
|
|
|
}
|
|
|
|
|
|
|
|
if (onActiveChange) {
|
|
|
|
onActiveChange(newActiveKey);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
// const getActiveItem = () => {
|
|
|
|
// if (activeKey.value === null) {
|
|
|
|
// return null;
|
|
|
|
// }
|
|
|
|
|
|
|
|
// return flattenNodes.value.find(({ data: { key } }) => key === activeKey.value) || null;
|
|
|
|
// };
|
|
|
|
|
|
|
|
const activeItem = computed<FlattenNode>(() => {
|
|
|
|
if (activeKey.value === null) {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
return flattenNodes.value.find(({ data: { key } }) => key === activeKey.value) || null;
|
|
|
|
});
|
|
|
|
|
|
|
|
const offsetActiveKey = (offset: number) => {
|
|
|
|
let index = flattenNodes.value.findIndex(({ data: { key } }) => key === activeKey.value);
|
|
|
|
|
|
|
|
// Align with index
|
|
|
|
if (index === -1 && offset < 0) {
|
|
|
|
index = flattenNodes.value.length;
|
|
|
|
}
|
|
|
|
|
|
|
|
index = (index + offset + flattenNodes.value.length) % flattenNodes.value.length;
|
|
|
|
|
|
|
|
const item = flattenNodes.value[index];
|
|
|
|
if (item) {
|
|
|
|
const { key } = item.data;
|
|
|
|
onActiveChange(key);
|
|
|
|
} else {
|
|
|
|
onActiveChange(null);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const onKeyDown = event => {
|
|
|
|
const { onKeyDown, checkable, selectable } = props;
|
|
|
|
|
|
|
|
// >>>>>>>>>> Direction
|
|
|
|
switch (event.which) {
|
|
|
|
case KeyCode.UP: {
|
|
|
|
offsetActiveKey(-1);
|
|
|
|
event.preventDefault();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case KeyCode.DOWN: {
|
|
|
|
offsetActiveKey(1);
|
|
|
|
event.preventDefault();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// >>>>>>>>>> Expand & Selection
|
|
|
|
const item = activeItem.value;
|
|
|
|
if (item && item.data) {
|
|
|
|
const expandable = item.data.isLeaf === false || !!(item.data.children || []).length;
|
|
|
|
const eventNode = convertNodePropsToEventData({
|
|
|
|
...getTreeNodeProps(activeKey.value, treeNodeRequiredProps.value),
|
|
|
|
data: item.data,
|
|
|
|
active: true,
|
|
|
|
});
|
|
|
|
|
|
|
|
switch (event.which) {
|
|
|
|
// >>> Expand
|
|
|
|
case KeyCode.LEFT: {
|
|
|
|
// Collapse if possible
|
|
|
|
if (expandable && expandedKeys.value.includes(activeKey.value)) {
|
|
|
|
onNodeExpand({} as MouseEvent, eventNode);
|
|
|
|
} else if (item.parent) {
|
|
|
|
onActiveChange(item.parent.data.key);
|
|
|
|
}
|
|
|
|
event.preventDefault();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case KeyCode.RIGHT: {
|
|
|
|
// Expand if possible
|
|
|
|
if (expandable && !expandedKeys.value.includes(activeKey.value)) {
|
|
|
|
onNodeExpand({} as MouseEvent, eventNode);
|
|
|
|
} else if (item.children && item.children.length) {
|
|
|
|
onActiveChange(item.children[0].data.key);
|
|
|
|
}
|
|
|
|
event.preventDefault();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Selection
|
|
|
|
case KeyCode.ENTER:
|
|
|
|
case KeyCode.SPACE: {
|
|
|
|
if (
|
|
|
|
checkable &&
|
|
|
|
!eventNode.disabled &&
|
|
|
|
eventNode.checkable !== false &&
|
|
|
|
!eventNode.disableCheckbox
|
|
|
|
) {
|
|
|
|
onNodeCheck(
|
|
|
|
{} as MouseEvent,
|
|
|
|
eventNode,
|
|
|
|
!checkedKeys.value.includes(activeKey.value),
|
|
|
|
);
|
|
|
|
} else if (
|
|
|
|
!checkable &&
|
|
|
|
selectable &&
|
|
|
|
!eventNode.disabled &&
|
|
|
|
eventNode.selectable !== false
|
|
|
|
) {
|
|
|
|
onNodeSelect({} as MouseEvent, eventNode);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (onKeyDown) {
|
|
|
|
onKeyDown(event);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
onUnmounted(() => {
|
|
|
|
window.removeEventListener('dragend', onWindowDragEnd);
|
|
|
|
destroyed.value = true;
|
|
|
|
});
|
|
|
|
return () => {
|
|
|
|
const {
|
|
|
|
// focused,
|
|
|
|
// flattenNodes,
|
|
|
|
// keyEntities,
|
|
|
|
dragging,
|
|
|
|
// activeKey,
|
|
|
|
dropLevelOffset,
|
|
|
|
dropContainerKey,
|
|
|
|
dropTargetKey,
|
|
|
|
dropPosition,
|
|
|
|
dragOverNodeKey,
|
|
|
|
// indent,
|
|
|
|
} = dragState;
|
|
|
|
const {
|
|
|
|
prefixCls,
|
|
|
|
showLine,
|
|
|
|
focusable,
|
|
|
|
tabindex = 0,
|
|
|
|
selectable,
|
|
|
|
showIcon,
|
|
|
|
icon,
|
|
|
|
switcherIcon,
|
|
|
|
draggable,
|
|
|
|
checkable,
|
|
|
|
checkStrictly,
|
|
|
|
disabled,
|
2021-08-17 14:03:49 +00:00
|
|
|
openAnimation,
|
2021-08-17 06:36:46 +00:00
|
|
|
loadData,
|
|
|
|
filterTreeNode,
|
|
|
|
height,
|
|
|
|
itemHeight,
|
|
|
|
virtual,
|
|
|
|
titleRender,
|
|
|
|
dropIndicatorRender,
|
|
|
|
onContextmenu,
|
|
|
|
onScroll,
|
|
|
|
direction,
|
|
|
|
} = props;
|
|
|
|
|
|
|
|
const { class: className, style } = attrs;
|
|
|
|
const domProps = getDataAndAria({ ...props, ...attrs });
|
|
|
|
|
|
|
|
return (
|
|
|
|
<TreeContext
|
|
|
|
value={{
|
|
|
|
prefixCls,
|
|
|
|
selectable,
|
|
|
|
showIcon,
|
|
|
|
icon,
|
|
|
|
switcherIcon,
|
|
|
|
draggable,
|
|
|
|
checkable,
|
|
|
|
checkStrictly,
|
|
|
|
disabled,
|
|
|
|
keyEntities: keyEntities.value,
|
|
|
|
dropLevelOffset,
|
|
|
|
dropContainerKey,
|
|
|
|
dropTargetKey,
|
|
|
|
dropPosition,
|
|
|
|
dragOverNodeKey,
|
|
|
|
indent: indent.value,
|
|
|
|
direction,
|
|
|
|
dropIndicatorRender,
|
|
|
|
|
|
|
|
loadData,
|
|
|
|
filterTreeNode,
|
|
|
|
|
|
|
|
titleRender,
|
|
|
|
|
2021-08-17 14:05:24 +00:00
|
|
|
onNodeClick,
|
|
|
|
onNodeDoubleClick,
|
|
|
|
onNodeExpand,
|
|
|
|
onNodeSelect,
|
|
|
|
onNodeCheck,
|
|
|
|
onNodeLoad,
|
|
|
|
onNodeMouseEnter,
|
|
|
|
onNodeMouseLeave,
|
|
|
|
onNodeContextMenu,
|
|
|
|
onNodeDragStart,
|
|
|
|
onNodeDragEnter,
|
|
|
|
onNodeDragOver,
|
|
|
|
onNodeDragLeave,
|
|
|
|
onNodeDragEnd,
|
|
|
|
onNodeDrop,
|
2021-08-17 14:52:28 +00:00
|
|
|
slots: slots,
|
2021-08-17 06:36:46 +00:00
|
|
|
}}
|
|
|
|
>
|
|
|
|
<div
|
|
|
|
role="tree"
|
|
|
|
class={classNames(prefixCls, className, {
|
|
|
|
[`${prefixCls}-show-line`]: showLine,
|
2021-08-17 14:52:28 +00:00
|
|
|
[`${prefixCls}-focused`]: focused.value,
|
2021-08-17 06:36:46 +00:00
|
|
|
[`${prefixCls}-active-focused`]: activeKey.value !== null,
|
|
|
|
})}
|
|
|
|
>
|
|
|
|
<NodeList
|
|
|
|
ref={listRef}
|
|
|
|
prefixCls={prefixCls}
|
|
|
|
style={style}
|
|
|
|
data={flattenNodes.value}
|
|
|
|
disabled={disabled}
|
|
|
|
selectable={selectable}
|
|
|
|
checkable={!!checkable}
|
2021-08-17 14:03:49 +00:00
|
|
|
motion={openAnimation}
|
2021-08-17 06:36:46 +00:00
|
|
|
dragging={dragging}
|
|
|
|
height={height}
|
|
|
|
itemHeight={itemHeight}
|
|
|
|
virtual={virtual}
|
|
|
|
focusable={focusable}
|
|
|
|
focused={focused.value}
|
|
|
|
tabindex={tabindex}
|
|
|
|
activeItem={activeItem.value}
|
|
|
|
onFocus={onFocus}
|
|
|
|
onBlur={onBlur}
|
|
|
|
onKeydown={onKeyDown}
|
|
|
|
onActiveChange={onActiveChange}
|
|
|
|
onListChangeStart={onListChangeStart}
|
|
|
|
onListChangeEnd={onListChangeEnd}
|
|
|
|
onContextmenu={onContextmenu}
|
|
|
|
onScroll={onScroll}
|
|
|
|
{...treeNodeRequiredProps.value}
|
|
|
|
{...domProps}
|
2021-08-17 14:03:49 +00:00
|
|
|
v-slots={slots}
|
2021-08-17 06:36:46 +00:00
|
|
|
/>
|
|
|
|
</div>
|
|
|
|
</TreeContext>
|
|
|
|
);
|
|
|
|
};
|
|
|
|
},
|
|
|
|
});
|