101 lines
2.3 KiB
JavaScript
101 lines
2.3 KiB
JavaScript
import { getNodeChildren, convertTreeToEntities } from '../vc-tree/src/util';
|
||
import { getSlot } from '../_util/props-util';
|
||
|
||
const Record = {
|
||
None: 'node',
|
||
Start: 'start',
|
||
End: 'end',
|
||
};
|
||
|
||
// TODO: Move this logic into `rc-tree`
|
||
function traverseNodesKey(rootChildren, callback) {
|
||
const nodeList = getNodeChildren(rootChildren) || [];
|
||
|
||
function processNode(node) {
|
||
const { key } = node;
|
||
const children = getSlot(node);
|
||
if (callback(key, node) !== false) {
|
||
traverseNodesKey(children, callback);
|
||
}
|
||
}
|
||
|
||
nodeList.forEach(processNode);
|
||
}
|
||
|
||
export function getFullKeyList(children) {
|
||
const { keyEntities } = convertTreeToEntities(children);
|
||
return [...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) {
|
||
const keys = [];
|
||
let record = Record.None;
|
||
|
||
if (startKey && startKey === endKey) {
|
||
return [startKey];
|
||
}
|
||
if (!startKey || !endKey) {
|
||
return [];
|
||
}
|
||
|
||
function matchKey(key) {
|
||
return key === startKey || key === endKey;
|
||
}
|
||
|
||
traverseNodesKey(rootChildren, 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) {
|
||
const restKeys = [...keys];
|
||
const nodes = [];
|
||
traverseNodesKey(rootChildren, (key, node) => {
|
||
const index = restKeys.indexOf(key);
|
||
if (index !== -1) {
|
||
nodes.push(node);
|
||
restKeys.splice(index, 1);
|
||
}
|
||
|
||
return !!restKeys.length;
|
||
});
|
||
return nodes;
|
||
}
|
||
|
||
export function getFullKeyListByTreeData(treeData, replaceFields = {}) {
|
||
let keys = [];
|
||
const { key = 'key', children = 'children' } = replaceFields(treeData || []).forEach(item => {
|
||
keys.push(item[key]);
|
||
if (item[children]) {
|
||
keys = [...keys, ...getFullKeyListByTreeData(item[children], replaceFields)];
|
||
}
|
||
});
|
||
return keys;
|
||
}
|