Method getTreeQuery

packages/aggtree/src/aggtree.ts:252–287

(openPaths: PathTree)

   */

  getTreeQuery(openPaths: PathTree): QueryExp {
    const maxDepth = this.pivotColumns.length + 1;
    let resQuery = null;

    if (this.rootQuery) {
      resQuery = this.rootQuery;

      for (let i = 0; i < maxDepth; i++) {
        resQuery = resQuery.extend("_sortVal_" + i, constVal(0));
      }

      resQuery = addPathCols(resQuery, 0, maxDepth);
    }

    const openRoot = this.applyPath([]); // immediate children of root

    if (resQuery) {
      resQuery = resQuery.concat(openRoot);
    } else {
      resQuery = openRoot;
    }

    for (let path of openPaths.iter()) {
      let subQuery = this.applyPath(path);
      resQuery = resQuery.concat(subQuery);
    }

    const sortArg: [string, boolean][] = [];

    for (let i = 0; i < maxDepth - 1; i++) {
      sortArg.push(["_path" + i, true]);
    }

    resQuery = resQuery.sort(sortArg);
    return resQuery;
  }
  /*
   * get query for full tree state from a set of openPaths, joined with
   * relevant sort queries based on pivot depth, and with appropriate