<template>
  <div class="chart-container app-container nohead">
    <el-alert title="免责声明：Highcharts组件不属于NCC产品，只用于介绍第三方组件如何在《NCC快速开发平台》中使用。如果对这些组件感兴趣，请使用正版。"
      type="warning" :closable="false" class="mb-10" />
    <highcharts :options="chartOptions" :callback="myCallback" style="height:530px;margin-top:30px;"
      ref="highcharts"></highcharts>
  </div>
</template>

<script>

import { Chart } from "highcharts-vue";
import Highcharts from 'highcharts'
export default {
  name: 'extend-graphDemo-highchartsPie',
  components: {
    highcharts: Chart
  },
  data() {
    return {
      chartOptions: {}

    }
  },
  mounted() {
    this.init()
  },

  methods: {
    myCallback() {
      console.log("this is callback function");
    },
    init() {
      var colors = Highcharts.getOptions().colors,
        categories = [
          "Chrome",
          "Firefox",
          "Internet Explorer",
          "Safari",
          "Edge",
          "Opera",
          "Other"
        ],
        data = [
          {
            "y": 62.74,
            "color": colors[4],
            "drilldown": {
              "name": "Chrome",
              "categories": [
                "Chrome v65.0",
                "Chrome v64.0",
                "Chrome v63.0",
                "Chrome v62.0",
                "Chrome v61.0",
                "Chrome v60.0",
                "Chrome v59.0",
                "Chrome v58.0",
                "Chrome v57.0",
                "Chrome v48.0",
                "Chrome v47.0",
                "Chrome v43.0",
                "Chrome v29.0"
              ],
              "data": [
                0.1,
                1.3,
                53.02,
                1.4,
                0.88,
                0.56,
                0.45,
                0.49,
                0.32,
                0.29,
                0.79,
                0.18,
                0.13,
                2.16,
                0.13,
                0.11,
                0.17,
                0.26
              ]
            }
          },
          {
            "y": 10.57,
            "color": colors[5],
            "drilldown": {
              "name": "Firefox",
              "categories": [
                "Firefox v58.0",
                "Firefox v57.0",
                "Firefox v56.0",
                "Firefox v55.0",
                "Firefox v54.0",
                "Firefox v52.0",
                "Firefox v51.0",
                "Firefox v50.0",
                "Firefox v48.0",
                "Firefox v47.0"
              ],
              "data": [
                1.02,
                7.36,
                0.35,
                0.11,
                0.1,
                0.95,
                0.15,
                0.1,
                0.31,
                0.12
              ]
            }
          },
          {
            "y": 7.23,
            "color": colors[2],
            "drilldown": {
              "name": "Internet Explorer",
              "categories": [
                "Internet Explorer v11.0",
                "Internet Explorer v10.0",
                "Internet Explorer v9.0",
                "Internet Explorer v8.0"
              ],
              "data": [
                6.2,
                0.29,
                0.27,
                0.47
              ]
            }
          },
          {
            "y": 5.58,
            "color": colors[10],
            "drilldown": {
              "name": "Safari",
              "categories": [
                "Safari v11.0",
                "Safari v10.1",
                "Safari v10.0",
                "Safari v9.1",
                "Safari v9.0",
                "Safari v5.1"
              ],
              "data": [
                3.39,
                0.96,
                0.36,
                0.54,
                0.13,
                0.2
              ]
            }
          },
          {
            "y": 4.02,
            "color": colors[9],
            "drilldown": {
              "name": "Edge",
              "categories": [
                "Edge v16",
                "Edge v15",
                "Edge v14",
                "Edge v13"
              ],
              "data": [
                2.6,
                0.92,
                0.4,
                0.1
              ]
            }
          },
          {
            "y": 1.92,
            "color": colors[9],
            "drilldown": {
              "name": "Opera",
              "categories": [
                "Opera v50.0",
                "Opera v49.0",
                "Opera v12.1"
              ],
              "data": [
                0.96,
                0.82,
                0.14
              ]
            }
          },
          {
            "y": 7.62,
            "color": colors[1],
            "drilldown": {
              "name": 'Other',
              "categories": [
                'Other'
              ],
              "data": [
                7.62
              ]
            }
          }
        ],
        browserData = [],
        versionsData = [],
        i,
        j,
        dataLen = data.length,
        drillDataLen,
        brightness;
      // Build the data arrays
      for (i = 0; i < dataLen; i += 1) {
        // add browser data
        browserData.push({
          name: categories[i],
          y: data[i].y,
          color: data[i].color
        });
        // add version data
        drillDataLen = data[i].drilldown.data.length;
        for (j = 0; j < drillDataLen; j += 1) {
          brightness = 0.2 - (j / drillDataLen) / 5;
          versionsData.push({
            name: data[i].drilldown.categories[j],
            y: data[i].drilldown.data[j],
            color: Highcharts.Color(data[i].color).brighten(brightness).get()
          });
        }
      }
      this.chartOptions = {
        chart: {
          type: 'pie'
        },
        title: {
          text: '2018年1月浏览器市场份额'
        },
        subtitle: {
          text: '数据来源：<a href="http://statcounter.com" target="_blank">statcounter.com</a>'
        },
        yAxis: {
          title: {
            text: 'Total percent market share'
          }
        },
        plotOptions: {
          pie: {
            shadow: false,
            center: ['50%', '50%']
          }
        },
        tooltip: {
          valueSuffix: '%'
        },
        credits: {
          enabled: false
        },
        series: [{
          name: 'Browsers',
          data: browserData,
          size: '60%',
          dataLabels: {
            formatter: function () {
              return this.y > 5 ? this.point.name : null;
            },
            color: '#ffffff',
            distance: -30
          }
        }, {
          name: 'Versions',
          data: versionsData,
          size: '80%',
          innerSize: '60%',
          dataLabels: {
            formatter: function () {
              // display only if larger than 1
              return this.y > 1 ? '<b>' + this.point.name + ':</b> ' +
                this.y + '%' : null;
            }
          },
          id: 'versions'
        }],
        responsive: {
          responsive: {
            rules: [{
              condition: {
                maxWidth: 500
              },
              chartOptions: {
                legend: {
                  layout: 'horizontal',
                  align: 'center',
                  verticalAlign: 'bottom'
                }
              }
            }]
          }
        }
      }
    }
  }
}
</script>
