2021-08-20 13:39:59 +00:00
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import { warning } from 'ant-design-vue/es/vc-util/warning';
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import type { ComputedRef, Ref } from 'vue';
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import { computed } from 'vue';
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import type {
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DataNode,
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InternalDataEntity,
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SimpleModeConfig,
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RawValueType,
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FieldNames,
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} from '../interface';
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import { convertChildrenToData } from '../utils/legacyUtil';
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const MAX_WARNING_TIMES = 10;
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function parseSimpleTreeData(
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treeData: DataNode[],
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{ id, pId, rootPId }: SimpleModeConfig,
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): DataNode[] {
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const keyNodes = {};
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const rootNodeList = [];
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// Fill in the map
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const nodeList = treeData.map(node => {
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const clone = { ...node };
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const key = clone[id];
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keyNodes[key] = clone;
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clone.key = clone.key || key;
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return clone;
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});
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// Connect tree
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nodeList.forEach(node => {
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const parentKey = node[pId];
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const parent = keyNodes[parentKey];
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// Fill parent
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if (parent) {
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parent.children = parent.children || [];
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parent.children.push(node);
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}
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// Fill root tree node
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if (parentKey === rootPId || (!parent && rootPId === null)) {
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rootNodeList.push(node);
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}
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});
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return rootNodeList;
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}
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/**
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* Format `treeData` with `value` & `key` which is used for calculation
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*/
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function formatTreeData(
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treeData: DataNode[],
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getLabelProp: (node: DataNode) => any,
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fieldNames: FieldNames,
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): InternalDataEntity[] {
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let warningTimes = 0;
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const valueSet = new Set<RawValueType>();
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// Field names
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const { value: fieldValue, children: fieldChildren } = fieldNames;
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function dig(dataNodes: DataNode[]) {
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return (dataNodes || []).map(node => {
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const { key, disableCheckbox, disabled } = node;
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const value = node[fieldValue];
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const mergedValue = fieldValue in node ? value : key;
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const dataNode: InternalDataEntity = {
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disableCheckbox,
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disabled,
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key: key !== null && key !== undefined ? key : mergedValue,
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value: mergedValue,
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title: getLabelProp(node),
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node,
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};
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2021-08-22 08:59:13 +00:00
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if (node.slots) {
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dataNode.slots = node.slots;
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}
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2021-08-20 13:39:59 +00:00
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// Check `key` & `value` and warning user
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if (process.env.NODE_ENV !== 'production') {
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if (
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key !== null &&
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key !== undefined &&
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value !== undefined &&
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String(key) !== String(value) &&
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warningTimes < MAX_WARNING_TIMES
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) {
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warningTimes += 1;
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warning(
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false,
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`\`key\` or \`value\` with TreeNode must be the same or you can remove one of them. key: ${key}, value: ${value}.`,
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);
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}
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warning(!valueSet.has(value), `Same \`value\` exist in the tree: ${value}`);
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valueSet.add(value);
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}
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if (fieldChildren in node) {
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dataNode.children = dig(node[fieldChildren]);
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}
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return dataNode;
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});
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}
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return dig(treeData);
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}
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/**
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* Convert `treeData` or `children` into formatted `treeData`.
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* Will not re-calculate if `treeData` or `children` not change.
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*/
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export default function useTreeData(
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treeData: Ref<DataNode[]>,
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children: Ref<any[]>,
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{
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getLabelProp,
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simpleMode,
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fieldNames,
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}: {
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getLabelProp: (node: DataNode) => any;
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simpleMode: Ref<boolean | SimpleModeConfig>;
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fieldNames: Ref<FieldNames>;
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},
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): ComputedRef<InternalDataEntity[]> {
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return computed(() => {
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if (treeData.value) {
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return formatTreeData(
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simpleMode.value
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? parseSimpleTreeData(treeData.value, {
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id: 'id',
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pId: 'pId',
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rootPId: null,
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...(simpleMode.value !== true ? simpleMode.value : {}),
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})
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: treeData.value,
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getLabelProp,
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fieldNames.value,
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);
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} else {
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return formatTreeData(convertChildrenToData(children.value), getLabelProp, fieldNames.value);
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}
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});
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}
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