vxe-pc-ui/lib/tree/src/util.js

A vue based PC component library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.calcTreeLine = calcTreeLine;
exports.deNodeValue = deNodeValue;
exports.enNodeValue = enNodeValue;
var _xeUtils = _interopRequireDefault(require("xe-utils"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function enNodeValue(nodeid) {
  return _xeUtils.default.eqNull(nodeid) ? '' : encodeURIComponent(`${nodeid}`);
}
function deNodeValue(nodeid) {
  return nodeid ? decodeURIComponent(`${nodeid}`) : nodeid;
}
function countTreeExpand($xeTree, prevNode) {
  let count = 1;
  if (!prevNode) {
    return count;
  }
  const props = $xeTree.props;
  const {
    transform
  } = props;
  const reactData = $xeTree.reactData;
  const {
    updateExpandedFlag
  } = reactData;
  const internalData = $xeTree.internalData;
  const {
    treeExpandedMaps
  } = internalData;
  const {
    computeChildrenField,
    computeMapChildrenField
  } = $xeTree.getComputeMaps();
  const childrenField = computeChildrenField.value;
  const mapChildrenField = computeMapChildrenField.value;
  const nodeChildren = prevNode[transform ? mapChildrenField : childrenField];
  if (nodeChildren && updateExpandedFlag && treeExpandedMaps[$xeTree.getNodeId(prevNode)]) {
    for (let index = 0; index < nodeChildren.length; index++) {
      count += countTreeExpand($xeTree, nodeChildren[index]);
    }
  }
  return count;
}
function calcTreeLine($xeTree, node, prevNode) {
  const internalData = $xeTree.internalData;
  const {
    scrollYStore
  } = internalData;
  const {
    rowHeight
  } = scrollYStore;
  let expandSize = 1;
  if (prevNode) {
    expandSize = countTreeExpand($xeTree, prevNode);
  }
  return (rowHeight || 28) * expandSize - (prevNode ? 1 : 12);
}