github.com/mweagle/Sparta@v1.15.0/resources/describe/cytoscape.js-dagre/cytoscape-dagre.js

(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory(require("dagre"));
	else if(typeof define === 'function' && define.amd)
		define(["dagre"], factory);
	else if(typeof exports === 'object')
		exports["cytoscapeDagre"] = factory(require("dagre"));
	else
		root["cytoscapeDagre"] = factory(root["dagre"]);
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/* 0 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

var isFunction = function isFunction(o) {
  return typeof o === 'function';
};
var defaults = __webpack_require__(2);
var assign = __webpack_require__(1);
var dagre = __webpack_require__(4);

// constructor
// options : object containing layout options
function DagreLayout(options) {
  this.options = assign({}, defaults, options);
}

// runs the layout
DagreLayout.prototype.run = function () {
  var options = this.options;
  var layout = this;

  var cy = options.cy; // cy is automatically populated for us in the constructor
  var eles = options.eles;

  var getVal = function getVal(ele, val) {
    return isFunction(val) ? val.apply(ele, [ele]) : val;
  };

  var bb = options.boundingBox || { x1: 0, y1: 0, w: cy.width(), h: cy.height() };
  if (bb.x2 === undefined) {
    bb.x2 = bb.x1 + bb.w;
  }
  if (bb.w === undefined) {
    bb.w = bb.x2 - bb.x1;
  }
  if (bb.y2 === undefined) {
    bb.y2 = bb.y1 + bb.h;
  }
  if (bb.h === undefined) {
    bb.h = bb.y2 - bb.y1;
  }

  var g = new dagre.graphlib.Graph({
    multigraph: true,
    compound: true
  });

  var gObj = {};
  var setGObj = function setGObj(name, val) {
    if (val != null) {
      gObj[name] = val;
    }
  };

  setGObj('nodesep', options.nodeSep);
  setGObj('edgesep', options.edgeSep);
  setGObj('ranksep', options.rankSep);
  setGObj('rankdir', options.rankDir);
  setGObj('ranker', options.ranker);

  g.setGraph(gObj);

  g.setDefaultEdgeLabel(function () {
    return {};
  });
  g.setDefaultNodeLabel(function () {
    return {};
  });

  // add nodes to dagre
  var nodes = eles.nodes();
  for (var i = 0; i < nodes.length; i++) {
    var node = nodes[i];
    var nbb = node.layoutDimensions(options);

    g.setNode(node.id(), {
      width: nbb.w,
      height: nbb.h,
      name: node.id()
    });

    // console.log( g.node(node.id()) );
  }

  // set compound parents
  for (var _i = 0; _i < nodes.length; _i++) {
    var _node = nodes[_i];

    if (_node.isChild()) {
      g.setParent(_node.id(), _node.parent().id());
    }
  }

  // add edges to dagre
  var edges = eles.edges().stdFilter(function (edge) {
    return !edge.source().isParent() && !edge.target().isParent(); // dagre can't handle edges on compound nodes
  });
  for (var _i2 = 0; _i2 < edges.length; _i2++) {
    var edge = edges[_i2];

    g.setEdge(edge.source().id(), edge.target().id(), {
      minlen: getVal(edge, options.minLen),
      weight: getVal(edge, options.edgeWeight),
      name: edge.id()
    }, edge.id());

    // console.log( g.edge(edge.source().id(), edge.target().id(), edge.id()) );
  }

  dagre.layout(g);

  var gNodeIds = g.nodes();
  for (var _i3 = 0; _i3 < gNodeIds.length; _i3++) {
    var id = gNodeIds[_i3];
    var n = g.node(id);

    cy.getElementById(id).scratch().dagre = n;
  }

  var dagreBB = void 0;

  if (options.boundingBox) {
    dagreBB = { x1: Infinity, x2: -Infinity, y1: Infinity, y2: -Infinity };
    nodes.forEach(function (node) {
      var dModel = node.scratch().dagre;

      dagreBB.x1 = Math.min(dagreBB.x1, dModel.x);
      dagreBB.x2 = Math.max(dagreBB.x2, dModel.x);

      dagreBB.y1 = Math.min(dagreBB.y1, dModel.y);
      dagreBB.y2 = Math.max(dagreBB.y2, dModel.y);
    });

    dagreBB.w = dagreBB.x2 - dagreBB.x1;
    dagreBB.h = dagreBB.y2 - dagreBB.y1;
  } else {
    dagreBB = bb;
  }

  var constrainPos = function constrainPos(p) {
    if (options.boundingBox) {
      var xPct = dagreBB.w === 0 ? 0 : (p.x - dagreBB.x1) / dagreBB.w;
      var yPct = dagreBB.h === 0 ? 0 : (p.y - dagreBB.y1) / dagreBB.h;

      return {
        x: bb.x1 + xPct * bb.w,
        y: bb.y1 + yPct * bb.h
      };
    } else {
      return p;
    }
  };

  nodes.layoutPositions(layout, options, function (ele) {
    ele = (typeof ele === 'undefined' ? 'undefined' : _typeof(ele)) === "object" ? ele : this;
    var dModel = ele.scratch().dagre;

    return constrainPos({
      x: dModel.x,
      y: dModel.y
    });
  });

  return this; // chaining
};

module.exports = DagreLayout;

/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


// Simple, internal Object.assign() polyfill for options objects etc.

module.exports = Object.assign != null ? Object.assign.bind(Object) : function (tgt) {
  for (var _len = arguments.length, srcs = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    srcs[_key - 1] = arguments[_key];
  }

  srcs.forEach(function (src) {
    Object.keys(src).forEach(function (k) {
      return tgt[k] = src[k];
    });
  });

  return tgt;
};

/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var defaults = {
  // dagre algo options, uses default value on undefined
  nodeSep: undefined, // the separation between adjacent nodes in the same rank
  edgeSep: undefined, // the separation between adjacent edges in the same rank
  rankSep: undefined, // the separation between adjacent nodes in the same rank
  rankDir: undefined, // 'TB' for top to bottom flow, 'LR' for left to right,
  ranker: undefined, // Type of algorithm to assigns a rank to each node in the input graph.
  // Possible values: network-simplex, tight-tree or longest-path
  minLen: function minLen(edge) {
    return 1;
  }, // number of ranks to keep between the source and target of the edge
  edgeWeight: function edgeWeight(edge) {
    return 1;
  }, // higher weight edges are generally made shorter and straighter than lower weight edges

  // general layout options
  fit: true, // whether to fit to viewport
  padding: 30, // fit padding
  spacingFactor: undefined, // Applies a multiplicative factor (>0) to expand or compress the overall area that the nodes take up
  nodeDimensionsIncludeLabels: false, // whether labels should be included in determining the space used by a node
  animate: false, // whether to transition the node positions
  animateFilter: function animateFilter(node, i) {
    return true;
  }, // whether to animate specific nodes when animation is on; non-animated nodes immediately go to their final positions
  animationDuration: 500, // duration of animation in ms if enabled
  animationEasing: undefined, // easing of animation if enabled
  boundingBox: undefined, // constrain layout bounds; { x1, y1, x2, y2 } or { x1, y1, w, h }
  transform: function transform(node, pos) {
    return pos;
  }, // a function that applies a transform to the final node position
  ready: function ready() {}, // on layoutready
  stop: function stop() {} // on layoutstop
};

module.exports = defaults;

/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var impl = __webpack_require__(0);

// registers the extension on a cytoscape lib ref
var register = function register(cytoscape) {
  if (!cytoscape) {
    return;
  } // can't register if cytoscape unspecified

  cytoscape('layout', 'dagre', impl); // register with cytoscape.js
};

if (typeof cytoscape !== 'undefined') {
  // expose to global cytoscape (i.e. window.cytoscape)
  register(cytoscape);
}

module.exports = register;

/***/ }),
/* 4 */
/***/ (function(module, exports) {

module.exports = __WEBPACK_EXTERNAL_MODULE_4__;

/***/ })
/******/ ]);
});