constructor()

in src/visual/Paper.js [14:69]

• 49 lines of code
• 12 McCabe index (conditional complexity)

  constructor(opts) {
    super(_.defaults(opts, {
      gridSize: 1,
      linkPinning: false,
      perpendicularLinks: false,
      multiLinks: false,
      highlighting: {
        default: {
          name: 'stroke',
          options: {
            padding: 6,
          },
        },
        embedding: {
          name: 'addClass',
          options: {
            className: 'highlighted-parent',
          },
        },
      },

      validateEmbedding: (child, parent) => {
        const parentStep = parent.model.step;
        const childStepParent = child.step;
        return parent.model instanceof VisualGroup && childStepParent.name === parentStep.name;
      },

      validateConnection: (cellViewS, magnetS, cellViewT, magnetT, end, linkView) => {
        if (!cellViewT || !cellViewS || cellViewT.id === cellViewS.id) {
          return false;
        }

        const hasPortClass = (magnet) => {
          const classStr = magnet.getAttribute('class');
          return classStr && classStr.indexOf('port-body') !== -1;
        };
        // source
        if (!magnetS || !hasPortClass(magnetS)) {
          return false;
        }
        // target
        if (!magnetT || !hasPortClass(magnetT)) {
          return false;
        }

        const portUsed = _.find(this.model.getLinks(), link => (
          (link.id !== linkView.model.id &&
          link.get('target').id === cellViewT.model.id &&
          link.get('target').port === magnetT.getAttribute('port'))
        ));

        return !portUsed;
      },
      markAvailable: true,
    }));
  }