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Viewing file:     simpleLayoutHelper.js (1.99 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 vec2 from 'zrender/src/core/vector';
import * as zrUtil from 'zrender/src/core/util';
import {getCurvenessForEdge} from '../helper/multipleGraphEdgeHelper';


export function simpleLayout(seriesModel) {
    var coordSys = seriesModel.coordinateSystem;
    if (coordSys && coordSys.type !== 'view') {
        return;
    }
    var graph = seriesModel.getGraph();

    graph.eachNode(function (node) {
        var model = node.getModel();
        node.setLayout([+model.get('x'), +model.get('y')]);
    });

    simpleLayoutEdge(graph, seriesModel);
}

export function simpleLayoutEdge(graph, seriesModel) {
    graph.eachEdge(function (edge, index) {
        var curveness = zrUtil.retrieve3(
            edge.getModel().get('lineStyle.curveness'),
            -getCurvenessForEdge(edge, seriesModel, index, true),
            0
        );
        var p1 = vec2.clone(edge.node1.getLayout());
        var p2 = vec2.clone(edge.node2.getLayout());
        var points = [p1, p2];
        if (+curveness) {
            points.push([
                (p1[0] + p2[0]) / 2 - (p1[1] - p2[1]) * curveness,
                (p1[1] + p2[1]) / 2 - (p2[0] - p1[0]) * curveness
            ]);
        }
        edge.setLayout(points);
    });
}