# all files / candela/components/ ParallelCoordinates.js

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83.78% Branches 31/37
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     import VisComponent from '../VisComponent';
    import $ from 'jquery';

    export default class ParallelCoordinates extends VisComponent {
      constructor (el, {dataRoot, fields, width, height}) {
        super(el);
        this.dataRoot = dataRoot;

        if (width && height) {
          $(el).attr('width', width);
          $(el).attr('height', height);
        }

        let PC = require('./../../external/pc');

        this.pc = new PC(this.el, (var1, var2, callback) => {
          this.fetchHistogram(var1, var2).then(callback);
        });

        let mouseHandler = action => e => {
          let rect = this.el.getBoundingClientRect();
          let x = e.clientX - rect.left;
          let y = e.clientY - rect.top;

          this.pc.mouseHandler({x, y, action});
        };

        this.pc.updateAxisList(fields);

        $(el).on('mousedown', mouseHandler('mousedown'));
        $(el).on('mousemove', mouseHandler('mousemove'));
        $(el).on('mouseup', mouseHandler('mouseup'));
      }

      render (data) {
        this.pc.render();
      }

      fetchHistogram (var1, var2) {
        return $.getJSON([this.dataRoot, var1, var2].join('/') + '.json');
      }
    }