File InteractionHandler.js has 434 lines of code (exceeds 250 allowed). Consider refactoring.

Open

let util = require('../../util');
var NavigationHandler = require('./components/NavigationHandler').default;
var Popup = require('./../../shared/Popup').default;

Function _checkShowPopup has a Cognitive Complexity of 34 (exceeds 5 allowed). Consider refactoring.

Open

 _checkShowPopup(pointer) {
    let x = this.canvas._XconvertDOMtoCanvas(pointer.x);
    let y = this.canvas._YconvertDOMtoCanvas(pointer.y);
    let pointerObj = {
      left:   x,

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Function _checkShowPopup has 66 lines of code (exceeds 25 allowed). Consider refactoring.

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 _checkShowPopup(pointer) {
    let x = this.canvas._XconvertDOMtoCanvas(pointer.x);
    let y = this.canvas._YconvertDOMtoCanvas(pointer.y);
    let pointerObj = {
      left:   x,

Function _checkHidePopup has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.

Open

 _checkHidePopup(pointer) {
    let pointerObj = this.selectionHandler._pointerToPositionObject(pointer);

    let stillOnObj = false;
    if (this.popup.popupTargetType === 'node') {

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InteractionHandler has 21 functions (exceeds 20 allowed). Consider refactoring.

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class InteractionHandler {
  /**
   * @param {Object} body
   * @param {Canvas} canvas
   * @param {SelectionHandler} selectionHandler

Function zoom has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.

Open

  zoom(scale, pointer) {
    if (this.options.zoomView === true) {
      let scaleOld = this.body.view.scale;
      if (scale < 0.00001) {
        scale = 0.00001;

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Function constructor has 39 lines of code (exceeds 25 allowed). Consider refactoring.

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  constructor(body, canvas, selectionHandler) {
    this.body = body;
    this.canvas = canvas;
    this.selectionHandler = selectionHandler;
    this.navigationHandler = new NavigationHandler(body,canvas);

Function onDragStart has 36 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  onDragStart(event) {
    //in case the touch event was triggered on an external div, do the initial touch now.
    if (this.drag.pointer === undefined) {
      this.onTouch(event);
    }

Function onMouseMove has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

  onMouseMove(event) {
    let pointer = this.getPointer({x:event.clientX, y:event.clientY});
    let popupVisible = false;

    // check if the previously selected node is still selected

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Function onDrag has 34 lines of code (exceeds 25 allowed). Consider refactoring.

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  onDrag(event) {
    if (this.drag.pinched === true) {
      return;
    }

Function zoom has 33 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  zoom(scale, pointer) {
    if (this.options.zoomView === true) {
      let scaleOld = this.body.view.scale;
      if (scale < 0.00001) {
        scale = 0.00001;

Function onDragStart has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

  onDragStart(event) {
    //in case the touch event was triggered on an external div, do the initial touch now.
    if (this.drag.pointer === undefined) {
      this.onTouch(event);
    }

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Function checkSelectionChanges has 30 lines of code (exceeds 25 allowed). Consider refactoring.

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  checkSelectionChanges(pointer, event, add = false) {
    let previousSelection = this.selectionHandler.getSelection();
    let selected = false;
    if (add === true) {
      selected = this.selectionHandler.selectAdditionalOnPoint(pointer);

Function onMouseMove has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  onMouseMove(event) {
    let pointer = this.getPointer({x:event.clientX, y:event.clientY});
    let popupVisible = false;

    // check if the previously selected node is still selected

Function onMouseWheel has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

  onMouseWheel(event) {
    if (this.options.zoomView === true) {
      // retrieve delta
      let delta = 0;
      if (event.wheelDelta) { /* IE/Opera. */

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Function onDrag has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

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  onDrag(event) {
    if (this.drag.pinched === true) {
      return;
    }

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Function checkSelectionChanges has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

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  checkSelectionChanges(pointer, event, add = false) {
    let previousSelection = this.selectionHandler.getSelection();
    let selected = false;
    if (add === true) {
      selected = this.selectionHandler.selectAdditionalOnPoint(pointer);

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Function setOptions has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

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  setOptions(options) {
    if (options !== undefined) {
      // extend all but the values in fields
      let fields = ['hideEdgesOnDrag','hideNodesOnDrag','keyboard','multiselect','selectable','selectConnectedEdges'];
      util.selectiveNotDeepExtend(fields, this.options, options);

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TODO found

Open

    // TODO: enabled moving while pinching?

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TODO found

Open

   * TODO: This is all SelectionHandler calls; the method should be moved to there.

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