ducha-qianduan/node_modules/echarts/lib/chart/helper/treeHelper.js

/*
* 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.
*/

var zrUtil = require("zrender/lib/core/util");

/*
* 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.
*/
function retrieveTargetInfo(payload, validPayloadTypes, seriesModel) {
  if (payload && zrUtil.indexOf(validPayloadTypes, payload.type) >= 0) {
    var root = seriesModel.getData().tree.root;
    var targetNode = payload.targetNode;

    if (typeof targetNode === 'string') {
      targetNode = root.getNodeById(targetNode);
    }

    if (targetNode && root.contains(targetNode)) {
      return {
        node: targetNode
      };
    }

    var targetNodeId = payload.targetNodeId;

    if (targetNodeId != null && (targetNode = root.getNodeById(targetNodeId))) {
      return {
        node: targetNode
      };
    }
  }
} // Not includes the given node at the last item.


function getPathToRoot(node) {
  var path = [];

  while (node) {
    node = node.parentNode;
    node && path.push(node);
  }

  return path.reverse();
}

function aboveViewRoot(viewRoot, node) {
  var viewPath = getPathToRoot(viewRoot);
  return zrUtil.indexOf(viewPath, node) >= 0;
} // From root to the input node (the input node will be included).


function wrapTreePathInfo(node, seriesModel) {
  var treePathInfo = [];

  while (node) {
    var nodeDataIndex = node.dataIndex;
    treePathInfo.push({
      name: node.name,
      dataIndex: nodeDataIndex,
      value: seriesModel.getRawValue(nodeDataIndex)
    });
    node = node.parentNode;
  }

  treePathInfo.reverse();
  return treePathInfo;
}

exports.retrieveTargetInfo = retrieveTargetInfo;
exports.getPathToRoot = getPathToRoot;
exports.aboveViewRoot = aboveViewRoot;
exports.wrapTreePathInfo = wrapTreePathInfo;