D-Net

import { MapCountryData } from '../../domain/map-country-data';;

import { Component, EventEmitter, OnInit, Output } from '@angular/core';

import { CountryOverview } from '../../domain/overview-data';

import { DataService } from '../../services/data.service';

import { Router } from '@angular/router';

import {CountryMapData, JoinedMapData, OverviewMapData, SelectedCountry} from '../../domain/overview-map-data';

import { latlong } from '../../domain/countries-lat-lon';

import { DataHandlerService } from '../../services/data-handler.service';

import * as echarts from 'echarts';

import {

  datasetColor,

  datasetTooltipColor, journalsColor, journalsTooltipColor, journalsBackgroundColor, policiesColor, policiesTooltipColor,

  publicationColor,

  publicationTooltipColor,

  repositoriesColor,

  repositoriesTooltipColor,

  gradientStartColor

} from '../../chart-palettes';

declare var require: any;

const mapWorld = require('echarts/map/json/world.json');

@Component({

  selector: 'app-europe-map-overview',

  templateUrl: './europe-map-overview.component.html',

})

export class EuropeMapOverviewComponent implements OnInit {

  private gradientStartColor = gradientStartColor;

  countries: CountryOverview[];

  @Output() emitSelectedCountry: EventEmitter<any> = new EventEmitter();

  activeView: string = 'publications';

  seriesColor: string = publicationColor;

  seriesName: string = 'OA publications';

  // tooltipBackgroundColor: string = '#EC4386';

  tooltipBackgroundColor: string = publicationTooltipColor;

  tooltipBorderColor: string = '#000';

  options = {};

  overviewMapData: OverviewMapData;

  countriesLatLong = latlong;

  joinedPublicationsMap: Map<string, JoinedMapData>;

  joinedDatasetsMap: Map<string, JoinedMapData>;

  joinedRepositoriesMap: Map<string, JoinedMapData>;

  joinedJournalsMap: Map<string, JoinedMapData>;

  constructor(private dataService: DataService,

              private dataHandlerService: DataHandlerService,

              private router: Router) {}

  ngOnInit(): void {

    echarts.registerMap('world', mapWorld);

    if (this.isEmbedRoute()) {

      const body = document.getElementsByTagName('body')[0];

      body.classList.remove('header_sticky');

    }

    this.dataService.getOverviewMapData().subscribe(

      rawData => {

        // console.log('==== Map RawData ====', rawData);

        this.overviewMapData = this.dataHandlerService.convertRawMapDataToMapData(rawData);

        this.joinedPublicationsMap = this.dataHandlerService.createJoinedPublicationsCountryMap(rawData);

        this.joinedDatasetsMap = this.dataHandlerService.createJoinedDatasetsCountryMap(rawData);

        this.joinedRepositoriesMap = this.dataHandlerService.createJoinedRepositoriesCountryMap(rawData);

        this.joinedJournalsMap = this.dataHandlerService.createJoinedJournalsCountryMap(rawData);

        // console.log('Country map data', this.overviewMapData[this.activeView]);

        this.loadMap(this.overviewMapData[this.activeView], this.seriesColor, this.seriesColor);

      },

      error => {

        console.log(error);

      }

    );

  }

  changeView(view: string) {

    this.activeView = view;

    if (this.activeView === 'publications') {

      this.seriesColor = publicationColor;

      this.seriesName = 'OA publications';

      this.tooltipBackgroundColor = publicationTooltipColor;

      this.tooltipBorderColor = '#000';

    } else if (this.activeView === 'datasets') {

      this.seriesColor = datasetColor;

      this.seriesName = 'OA datasets';

      this.tooltipBackgroundColor = datasetTooltipColor;

      this.tooltipBorderColor = '#000';

    } else if (this.activeView === 'repositories') {

      this.seriesColor = repositoriesColor;

      this.seriesName = 'OA repositories';

      this.tooltipBackgroundColor = repositoriesTooltipColor;

      this.tooltipBorderColor = '#000';

    } else if (this.activeView === 'journals') {

      this.seriesColor = journalsColor;

      this.seriesName = 'OA journals';

      this.tooltipBackgroundColor = journalsTooltipColor;

      this.tooltipBorderColor = '#000';

    } else {

      this.seriesColor = policiesColor;

      this.seriesName = 'OA policies';

      this.tooltipBackgroundColor = policiesTooltipColor;

      this.tooltipBorderColor = '#000';

    }

    this.loadMap(this.overviewMapData[view], this.seriesColor, this.seriesName);

  }

  loadMap(countryMapData: CountryMapData[], seriesColor: string, seriesName: string) {

    this.options = {

      title : {

        // text: 'World Population (2011)',

        // subtext: 'From Gapminder',

        left: 'center',

        top: 'top',

        textStyle: {

          color:  '#fff'

        }

      },

      responsive: true,

      tooltip : {

        trigger: 'item',

        // position: 'top',

        // formatter: '<strong>{b}</strong><br> {c2} {a}',

        // backgroundColor: '#f6c4d8',

        // borderColor: '#bf1d5e',

        // borderWidth: 0.2

      },

      visualMap: {

        show: false,

        min: 0,

        // max: max,

        max: 80000,

        inRange: {

          // symbolSize: [6, 60]

          // symbolSize: [0, 6]

        }

      },

      geo: {

        // name:  'World Population (2010)',

        type: 'map',

        map: 'world',

        // center: [15.2551, 54.5260],

        center: [14, 51],

        // zoom: 4.7,

        zoom: 4.3,

        // zoom: 6,

        // roam: true,

        label: {

          emphasis: {

            show: false

          }

        },

        itemStyle: {

          normal: {

            // color: 'rgba(139,151,167,0.4)',

            // borderColor: '#000',

            borderColor: '#fff',

            borderWidth: 0.5,

            areaColor: 'rgba(139,151,167,0.6)',

            // areaStyle: {

            //   color: 'rgba(139,151,167,0.2)'

            // }

          },

          emphasis: {

            // color: 'rgba(139,151,167,0.4)',

            // borderColor: '#000',

            borderColor: '#fff',

            borderWidth: 0.5,

            areaColor: 'rgba(139,151,167,0.8)',

            // areaStyle: {

            //   color: 'rgba(139,151,167,0.2)'

            // }

          }

        }

        // itemStyle: {

        //   // areacolor: '#ffffff',

        //   // bordercolor: '#111',

        //   // borderWidth: 1,

        //   // normal: {

        //   //   // areacolor: '#323c48',

        //   //   areacolor: '#ffffff',

        //   //   bordercolor: '#111'

        //   // },

        //   // emphasis: {

        //   //   areacolor: '#2a333d'

        //   // }

        // }

      },

      series : [

        {

          type: 'scatter',

          coordinateSystem: 'geo',

          name: seriesName,

          label: {

            show: true,

            position: 'inside',

            color: '#fff',

            opacity: 1,

            // formatter: '{@[2]}',

            formatter: (params => {

              return params.data.value[2].toLocaleString();

            }),

            textBorderColor: '#000',

            textBorderWidth: '2',

            fontSize: 15

            // formatter: '{b}: {@score}'

          },

          // activeOpacity: 0.6,

          data: countryMapData.map((itemOpt) => {

            // console.log('itemOpt.code', itemOpt.code);

            return {

              name: itemOpt.name,

              value: [

                this.countriesLatLong.get(itemOpt.code).longitude,

                this.countriesLatLong.get(itemOpt.code).latitude,

                itemOpt.value

              ],

              // label: {

              //   emphasis: {

              //     position: 'right',

              //     show: true

              //   }

              // },

              itemStyle: {

                normal: {

                  color:  seriesColor,

                  // color:  {

                  //   type: 'linear',

                  //   x: 0,

                  //   y: 0,

                  //   x2: 0,

                  //   y2: 1,

                  //   colorStops: [{

                  //     offset: 0, color: gradientStartColor // color at 0% position

                  //   }, {

                  //     offset: 1, color: seriesColor // color at 100% position

                  //   }],

                  //   global: false // false by default

                  // },

                  // color:  '#f8d5e3',

                  // opacity: 0.5,

                  borderColor: seriesColor,

                  borderWidth: 2

                }

              }

            };

          }),

          symbolSize: value => {

            // console.log('Math.sqrt(value[2]) / 1000: ' + (Math.sqrt(value[2]) / 1000) );

            // return Math.sqrt(value[2]) / 10;

            return Math.sqrt(value[2]) / 10 * this.resizeFactor(countryMapData);

            // return Math.sqrt(value[2]) / 10;

          },

          tooltip : {

            trigger: 'item',

            position: 'top',

            formatter: (params => {

              // console.log('params: ', params);

              // let bla = '<strong>' + params.data.name + '</strong><br>';

              // bla += params.data.value[2].toLocaleString() + ' ' + params.seriesName;

              // return bla;

              return this.createTooltip(params);

            }),

            backgroundColor: this.tooltipBackgroundColor,

            borderColor: this.tooltipBorderColor,

            borderWidth: 0.2

          },

        }

      ]

    };

  }

  onChartClick(event: any, type: string) {

    // console.log('chart event:', type, event);

    // console.log('country:', event.name);

    const selectedCountry: SelectedCountry = new SelectedCountry();

    selectedCountry.name = event.name;

    selectedCountry.code = this.joinedPublicationsMap.get(event.name).countryCode;

    // console.log('Selected country', selectedCountry);

    this.emitSelectedCountry.emit(selectedCountry);

  }

  // selectedCountry(countryName: string) {

  //   this.emitSelectedCountry.emit(countryName);

  // }

  isEmbedRoute() {

    return (this.router.url === '/overview-map-embed');

  }

  resizeFactor(countryMapData: CountryMapData[]) {

    let max = 0;

    for (const countryData of countryMapData) {

      if (countryData.value > max) {

        max = countryData.value;

      }

    }

    // console.log('resizeFactor', 100 / (Math.sqrt(max) / 10));

    return 100 / (Math.sqrt(max) / 10);

  }

  createTooltip(params: any) {

    // console.log('params: ', params);

    // console.log('params.name: ', params.name);

    let tooltip = '<div style="padding:10px">';

    tooltip += '<div class="uk-margin-small" style="font-weight: 600;">' + params.name + '</div>';

    if (this.activeView === 'publications') {

      tooltip += '<div class="numbers">';

      tooltip += '<div class="indicator">' +

        '<span class="number">' + params.data.value[2].toLocaleString() + '</span>' +

        '<span><i>OA publications</i> affiliated <br>to an organization in the country</span></div>';

      tooltip += '<div class="indicator uk-margin-small-top">' +

        '<span class="number">' + this.joinedPublicationsMap.get(params.name).deposited.toLocaleString() + '</span>' +

        '<span><i>OA publications</i> from <br>institutional repositories</span></div>';

      tooltip += '</div>';

    } else if (this.activeView === 'datasets') {

      tooltip += '<div class="numbers">';

      tooltip += '<div class="indicator">' +

        '<span class="number">' + params.data.value[2].toLocaleString() + '</span>' +

        '<span><i>OA datasets</i> affiliated <br>to an organization in the country</span></div>';

      tooltip += '<div class="indicator uk-margin-small-top">' +

        '<span class="number">' + this.joinedDatasetsMap.get(params.name).deposited.toLocaleString() + '</span>' +

        '<span><i>OA datasets</i> from <br>institutional repositories</span></div>';

      tooltip += '</div>';

    } else if (this.activeView === 'repositories') {

      tooltip += '<div class="numbers">';

      tooltip += '<div class="indicator">' +

        '<span class="number">' + params.data.value[2].toLocaleString() + '</span>' +

        '<span><i>repositories</i> from <br>openDOAR & re3data</span></div>';

      tooltip += '<div class="indicator uk-margin-small-top">' +

        '<span class="number">' + this.joinedRepositoriesMap.get(params.name).simple.toLocaleString() + '</span>' +

        '<span><i>repositories</i></span></div>';

      tooltip += '</div>';

    } else if (this.activeView === 'journals') {

      tooltip += '<div class="numbers">';

      tooltip += '<div class="indicator">' +

        '<span class="number">' + params.data.value[2].toLocaleString() + '</span>' +

        '<span><i>journals</i> from DOAJ</span></div>';

      tooltip += '<div class="indicator uk-margin-small-top">' +

        '<span class="number">' + this.joinedJournalsMap.get(params.name).simple.toLocaleString() + '</span>' +

        '<span><i>journals</i></span></div>';

      tooltip += '</div>';

    } else {

      tooltip += '<div class="numbers">';

      tooltip += '<div class="indicator">' +

        '<span class="number">' + params.data.value[2].toLocaleString() + '</span>' +

        '<span>organizations with <br><i>OA policies</i></span></div>';

      tooltip += '</div>';

    }

    tooltip += '</div>';

    return tooltip;

  }

}