| /** |
| * 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 }; |