| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /** |
| * Traverse the tree from bottom to top and do something |
| * @param {module:echarts/data/Tree~TreeNode} root The real root of the tree |
| * @param {Function} callback |
| */ |
| function eachAfter(root, callback, separation) { |
| var nodes = [root]; |
| var next = []; |
| var node; |
| |
| while (node = nodes.pop()) { |
| // jshint ignore:line |
| next.push(node); |
| |
| if (node.isExpand) { |
| var children = node.children; |
| |
| if (children.length) { |
| for (var i = 0; i < children.length; i++) { |
| nodes.push(children[i]); |
| } |
| } |
| } |
| } |
| |
| while (node = next.pop()) { |
| // jshint ignore:line |
| callback(node, separation); |
| } |
| } |
| /** |
| * Traverse the tree from top to bottom and do something |
| * @param {module:echarts/data/Tree~TreeNode} root The real root of the tree |
| * @param {Function} callback |
| */ |
| |
| |
| function eachBefore(root, callback) { |
| var nodes = [root]; |
| var node; |
| |
| while (node = nodes.pop()) { |
| // jshint ignore:line |
| callback(node); |
| |
| if (node.isExpand) { |
| var children = node.children; |
| |
| if (children.length) { |
| for (var i = children.length - 1; i >= 0; i--) { |
| nodes.push(children[i]); |
| } |
| } |
| } |
| } |
| } |
| |
| export { eachAfter, eachBefore }; |