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Viewing file:     helper.js (2.23 KB)      -rw-r--r--

/*
* 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.
*/

import * as zrUtil from 'zrender/src/core/util';

export function retrieveTargetInfo(payload, seriesModel) {
    if (payload
        && (
            payload.type === 'treemapZoomToNode'
            || payload.type === 'treemapRootToNode'
        )
    ) {
        var root = seriesModel.getData().tree.root;
        var targetNode = payload.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.
export function getPathToRoot(node) {
    var path = [];
    while (node) {
        node = node.parentNode;
        node && path.push(node);
    }
    return path.reverse();
}

export 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).
export 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;
}