
/*
* 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.
*/



/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

"use strict";

exports.__esModule = true;

var vec2 = require("zrender/lib/core/vector");

var graphHelper_1 = require("./graphHelper");

var PI = Math.PI;
var _symbolRadiansHalf = [];

function circularLayout(seriesModel, basedOn) {
  var coordSys = seriesModel.coordinateSystem;

  if (coordSys && coordSys.type !== 'view') {
    return;
  }

  var rect = coordSys.getBoundingRect();
  var nodeData = seriesModel.getData();
  var graph = nodeData.graph;
  var cx = rect.width / 2 + rect.x;
  var cy = rect.height / 2 + rect.y;
  var r = Math.min(rect.width, rect.height) / 2;
  var count = nodeData.count();
  nodeData.setLayout({
    cx: cx,
    cy: cy
  });

  if (!count) {
    return;
  }

  _layoutNodesBasedOn[basedOn](seriesModel, graph, nodeData, r, cx, cy, count);

  graph.eachEdge(function (edge) {
    var curveness = edge.getModel().get(['lineStyle', 'curveness']) || 0;
    var p1 = vec2.clone(edge.node1.getLayout());
    var p2 = vec2.clone(edge.node2.getLayout());
    var cp1;
    var x12 = (p1[0] + p2[0]) / 2;
    var y12 = (p1[1] + p2[1]) / 2;

    if (+curveness) {
      curveness *= 3;
      cp1 = [cx * curveness + x12 * (1 - curveness), cy * curveness + y12 * (1 - curveness)];
    }

    edge.setLayout([p1, p2, cp1]);
  });
}

exports.circularLayout = circularLayout;
var _layoutNodesBasedOn = {
  value: function (seriesModel, graph, nodeData, r, cx, cy, count) {
    var angle = 0;
    var sum = nodeData.getSum('value');
    var unitAngle = Math.PI * 2 / (sum || count);
    graph.eachNode(function (node) {
      var value = node.getValue('value');
      var radianHalf = unitAngle * (sum ? value : 1) / 2;
      angle += radianHalf;
      node.setLayout([r * Math.cos(angle) + cx, r * Math.sin(angle) + cy]);
      angle += radianHalf;
    });
  },
  symbolSize: function (seriesModel, graph, nodeData, r, cx, cy, count) {
    var sumRadian = 0;
    _symbolRadiansHalf.length = count;
    var nodeScale = graphHelper_1.getNodeGlobalScale(seriesModel);
    graph.eachNode(function (node) {
      var symbolSize = graphHelper_1.getSymbolSize(node);
      isNaN(symbolSize) && (symbolSize = 2);
      symbolSize < 0 && (symbolSize = 0);
      symbolSize *= nodeScale;
      var symbolRadianHalf = Math.asin(symbolSize / 2 / r);
      isNaN(symbolRadianHalf) && (symbolRadianHalf = PI / 2);
      _symbolRadiansHalf[node.dataIndex] = symbolRadianHalf;
      sumRadian += symbolRadianHalf * 2;
    });
    var halfRemainRadian = (2 * PI - sumRadian) / count / 2;
    var angle = 0;
    graph.eachNode(function (node) {
      var radianHalf = halfRemainRadian + _symbolRadiansHalf[node.dataIndex];
      angle += radianHalf;
      node.setLayout([r * Math.cos(angle) + cx, r * Math.sin(angle) + cy]);
      angle += radianHalf;
    });
  }
};