NuclearDispersionSystem/ant-design-vue-jeecg/node_modules/ant-design-vue/es/tree/util.js

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2023-09-14 14:47:11 +08:00
import _toConsumableArray from 'babel-runtime/helpers/toConsumableArray';
import { getNodeChildren, convertTreeToEntities } from '../vc-tree/src/util';
import { getSlots } from '../_util/props-util';
var Record = {
None: 'node',
Start: 'start',
End: 'end'
};
// TODO: Move this logic into `rc-tree`
function traverseNodesKey(rootChildren, callback) {
var nodeList = getNodeChildren(rootChildren) || [];
function processNode(node) {
var key = node.key;
var children = getSlots(node)['default'];
if (callback(key, node) !== false) {
traverseNodesKey(typeof children === 'function' ? children() : children, callback);
}
}
nodeList.forEach(processNode);
}
export function getFullKeyList(children) {
var _convertTreeToEntitie = convertTreeToEntities(children),
keyEntities = _convertTreeToEntitie.keyEntities;
return [].concat(_toConsumableArray(keyEntities.keys()));
}
/** 计算选中范围只考虑expanded情况以优化性能 */
export function calcRangeKeys(rootChildren, expandedKeys, startKey, endKey) {
var keys = [];
var record = Record.None;
if (startKey && startKey === endKey) {
return [startKey];
}
if (!startKey || !endKey) {
return [];
}
function matchKey(key) {
return key === startKey || key === endKey;
}
traverseNodesKey(rootChildren, function (key) {
if (record === Record.End) {
return false;
}
if (matchKey(key)) {
// Match test
keys.push(key);
if (record === Record.None) {
record = Record.Start;
} else if (record === Record.Start) {
record = Record.End;
return false;
}
} else if (record === Record.Start) {
// Append selection
keys.push(key);
}
if (expandedKeys.indexOf(key) === -1) {
return false;
}
return true;
});
return keys;
}
export function convertDirectoryKeysToNodes(rootChildren, keys) {
var restKeys = [].concat(_toConsumableArray(keys));
var nodes = [];
traverseNodesKey(rootChildren, function (key, node) {
var index = restKeys.indexOf(key);
if (index !== -1) {
nodes.push(node);
restKeys.splice(index, 1);
}
return !!restKeys.length;
});
return nodes;
}
export function getFullKeyListByTreeData(treeData) {
var keys = [];
(treeData || []).forEach(function (item) {
keys.push(item.key);
if (item.children) {
keys = [].concat(_toConsumableArray(keys), _toConsumableArray(getFullKeyListByTreeData(item.children)));
}
});
return keys;
}