basant307/AI_Governance_Project

1var FDLayoutNode = require('layout-base').FDLayoutNode;2var IMath = require('layout-base').IMath;3 4function CoSENode(gm, loc, size, vNode) {5  FDLayoutNode.call(this, gm, loc, size, vNode);6}7 8 9CoSENode.prototype = Object.create(FDLayoutNode.prototype);10for (var prop in FDLayoutNode) {11  CoSENode[prop] = FDLayoutNode[prop];12}13 14CoSENode.prototype.move = function ()15{16  var layout = this.graphManager.getLayout();17  this.displacementX = layout.coolingFactor *18          (this.springForceX + this.repulsionForceX + this.gravitationForceX) / this.noOfChildren;19  this.displacementY = layout.coolingFactor *20          (this.springForceY + this.repulsionForceY + this.gravitationForceY) / this.noOfChildren;21 22 23  if (Math.abs(this.displacementX) > layout.coolingFactor * layout.maxNodeDisplacement)24  {25    this.displacementX = layout.coolingFactor * layout.maxNodeDisplacement *26            IMath.sign(this.displacementX);27  }28 29  if (Math.abs(this.displacementY) > layout.coolingFactor * layout.maxNodeDisplacement)30  {31    this.displacementY = layout.coolingFactor * layout.maxNodeDisplacement *32            IMath.sign(this.displacementY);33  }34 35  // a simple node, just move it36  if (this.child == null)37  {38    this.moveBy(this.displacementX, this.displacementY);39  }40  // an empty compound node, again just move it41  else if (this.child.getNodes().length == 0)42  {43    this.moveBy(this.displacementX, this.displacementY);44  }45  // non-empty compound node, propogate movement to children as well46  else47  {48    this.propogateDisplacementToChildren(this.displacementX,49            this.displacementY);50  }51 52  layout.totalDisplacement +=53          Math.abs(this.displacementX) + Math.abs(this.displacementY);54 55  this.springForceX = 0;56  this.springForceY = 0;57  this.repulsionForceX = 0;58  this.repulsionForceY = 0;59  this.gravitationForceX = 0;60  this.gravitationForceY = 0;61  this.displacementX = 0;62  this.displacementY = 0;63};64 65CoSENode.prototype.propogateDisplacementToChildren = function (dX, dY)66{67  var nodes = this.getChild().getNodes();68  var node;69  for (var i = 0; i < nodes.length; i++)70  {71    node = nodes[i];72    if (node.getChild() == null)73    {74      node.moveBy(dX, dY);75      node.displacementX += dX;76      node.displacementY += dY;77    }78    else79    {80      node.propogateDisplacementToChildren(dX, dY);81    }82  }83};84 85CoSENode.prototype.setPred1 = function (pred1)86{87  this.pred1 = pred1;88};89 90CoSENode.prototype.getPred1 = function ()91{92  return pred1;93};94 95CoSENode.prototype.getPred2 = function ()96{97  return pred2;98};99 100CoSENode.prototype.setNext = function (next)101{102  this.next = next;103};104 105CoSENode.prototype.getNext = function ()106{107  return next;108};109 110CoSENode.prototype.setProcessed = function (processed)111{112  this.processed = processed;113};114 115CoSENode.prototype.isProcessed = function ()116{117  return processed;118};119 120module.exports = CoSENode;121