dTree.min.js.map

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_createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }\n\n(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : global.dTree = factory();\n})(this, function () {\n  'use strict';\n\n  var TreeBuilder = (function () {\n    function TreeBuilder(root, siblings, opts) {\n      _classCallCheck(this, TreeBuilder);\n\n      TreeBuilder.DEBUG_LEVEL = opts.debug ? 1 : 0;\n\n      this.root = root;\n      this.siblings = siblings;\n      this.opts = opts;\n\n      // flatten nodes\n      this.allNodes = this._flatten(this.root);\n\n      // calculate node sizes\n      this.nodeSize = opts.callbacks.nodeSize.call(this,\n      // filter hidden and marriage nodes\n      _.filter(this.allNodes, function (node) {\n        return !(node.hidden || _.get(node, 'data.isMarriage'));\n      }), opts.nodeWidth, opts.callbacks.textRenderer);\n      this.marriageSize = opts.callbacks.marriageSize.call(this,\n      // filter hidden and non marriage nodes\n      _.filter(this.allNodes, function (node) {\n        return !node.hidden && _.get(node, 'data.isMarriage');\n      }), this.opts.marriageNodeSize);\n    }\n\n    _createClass(TreeBuilder, [{\n      key: 'create',\n      value: function create() {\n\n        var opts = this.opts;\n        var allNodes = this.allNodes;\n        var nodeSize = this.nodeSize;\n\n        var width = opts.width + opts.margin.left + opts.margin.right;\n        var height = opts.height + opts.margin.top + opts.margin.bottom;\n\n        // create zoom handler\n        var zoom = this.zoom = d3.zoom().scaleExtent([0.1, 10]).on('zoom', function () {\n          g.attr('transform', d3.event.transform);\n        });\n\n        // make a svg\n        var svg = this.svg = d3.select(opts.target).append('svg').attr('viewBox', [0, 0, width, height]).call(zoom);\n\n        // create svg group that holds all nodes\n        var g = this.g = svg.append('g');\n\n        // set zoom identity\n        svg.call(zoom.transform, d3.zoomIdentity.translate(width / 2, opts.margin.top).scale(1));\n\n        // Compute the layout.\n        this.tree = d3.tree().nodeSize([nodeSize[0] * 2, opts.callbacks.nodeHeightSeperation.call(this, nodeSize[0], nodeSize[1])]);\n\n        this.tree.separation(function separation(a, b) {\n          if (a.data.hidden || b.data.hidden) {\n            return 0.3;\n          } else {\n            return 0.6;\n          }\n        });\n\n        this._update(this.root);\n      }\n    }, {\n      key: '_update',\n      value: function _update(source) {\n\n        var opts = this.opts;\n        var allNodes = this.allNodes;\n        var nodeSize = this.nodeSize;\n        var marriageSize = this.marriageSize;\n\n        var treenodes = this.tree(source);\n        var links = treenodes.links();\n\n        // Create the link lines.\n        this.g.selectAll('.link').data(links).enter()\n        // filter links with no parents to prevent empty nodes\n        .filter(function (l) {\n          return !l.target.data.noParent;\n        }).append('path').attr('class', opts.styles.linage).attr('d', this._elbow);\n\n        var nodes = this.g.selectAll('.node').data(treenodes.descendants()).enter();\n\n        this._linkSiblings();\n\n        // Draw siblings (marriage)\n        this.g.selectAll('.sibling').data(this.siblings).enter().append('path').attr('class', opts.styles.marriage).attr('d', _.bind(this._siblingLine, this));\n\n        // Create the node rectangles.\n        nodes.append('foreignObject').filter(function (d) {\n          return d.data.hidden ? false : true;\n        }).attr('x', function (d) {\n          return Math.round(d.x - d.cWidth / 2) + 'px';\n        }).attr('y', function (d) {\n          return Math.round(d.y - d.cHeight / 2) + 'px';\n        }).attr('width', function (d) {\n          return d.cWidth + 'px';\n        }).attr('height', function (d) {\n          return d.cHeight + 'px';\n        }).attr('id', function (d) {\n          return d.id;\n        }).html(function (d) {\n          if (d.data.isMarriage) {\n            return opts.callbacks.marriageRenderer.call(this, d.x, d.y, marriageSize[0], marriageSize[1], d.data.extra, d.data.id, d.data['class']);\n          } else {\n            return opts.callbacks.nodeRenderer.call(this, d.data.name, d.x, d.y, nodeSize[0], nodeSize[1], d.data.extra, d.data.id, d.data['class'], d.data.textClass, opts.callbacks.textRenderer);\n          }\n        }).on('dblclick', function () {\n          // do not propagate a double click on a node\n          // to prevent the zoom from being triggered\n          d3.event.stopPropagation();\n        }).on('click', function (d) {\n          // ignore double-clicks and clicks on hidden nodes\n          if (d3.event.detail === 2 || d.data.hidden) {\n            return;\n          }\n          if (d.data.isMarriage) {\n            opts.callbacks.marriageClick.call(this, d.data.extra, d.data.id);\n          } else {\n            opts.callbacks.nodeClick.call(this, d.data.name, d.data.extra, d.data.id);\n          }\n        }).on('contextmenu', function (d) {\n          if (d.data.hidden) {\n            return;\n          }\n          d3.event.preventDefault();\n          if (d.data.isMarriage) {\n            opts.callbacks.marriageRightClick.call(this, d.data.extra, d.data.id);\n          } else {\n            opts.callbacks.nodeRightClick.call(this, d.data.name, d.data.extra, d.data.id);\n          }\n        });\n      }\n    }, {\n      key: '_flatten',\n      value: function _flatten(root) {\n        var n = [];\n        var i = 0;\n\n        function recurse(node) {\n          if (node.children) {\n            node.children.forEach(recurse);\n          }\n          if (!node.id) {\n            node.id = ++i;\n          }\n          n.push(node);\n        }\n        recurse(root);\n        return n;\n      }\n    }, {\n      key: '_elbow',\n      value: function _elbow(d, i) {\n        if (d.target.data.noParent) {\n          return 'M0,0L0,0';\n        }\n        var ny = Math.round(d.target.y + (d.source.y - d.target.y) * 0.50);\n\n        var linedata = [{\n          x: d.target.x,\n          y: d.target.y\n        }, {\n          x: d.target.x,\n          y: ny\n        }, {\n          x: d.source.x,\n          y: d.source.y\n        }];\n\n        var fun = d3.line().curve(d3.curveStepAfter).x(function (d) {\n          return d.x;\n        }).y(function (d) {\n          return d.y;\n        });\n        return fun(linedata);\n      }\n    }, {\n      key: '_linkSiblings',\n      value: function _linkSiblings() {\n\n        var allNodes = this.allNodes;\n\n        _.forEach(this.siblings, function (d) {\n          var start = allNodes.filter(function (v) {\n            return d.source.id == v.data.id;\n          });\n          var end = allNodes.filter(function (v) {\n            return d.target.id == v.data.id;\n          });\n          d.source.x = start[0].x;\n          d.source.y = start[0].y;\n          d.target.x = end[0].x;\n          d.target.y = end[0].y;\n\n          var marriageId = start[0].data.marriageNode != null ? start[0].data.marriageNode.id : end[0].data.marriageNode.id;\n          var marriageNode = allNodes.find(function (n) {\n            return n.data.id == marriageId;\n          });\n          d.source.marriageNode = marriageNode;\n          d.target.marriageNode = marriageNode;\n        });\n      }\n    }, {\n      key: '_siblingLine',\n      value: function _siblingLine(d, i) {\n\n        var ny = Math.round(d.target.y + (d.source.y - d.target.y) * 0.50);\n        var nodeWidth = this.nodeSize[0];\n        var nodeHeight = this.nodeSize[1];\n\n        // Not first marriage\n        if (d.number > 0) {\n          ny -= Math.round(nodeHeight * 8 / 10);\n        }\n\n        var linedata = [{\n          x: d.source.x,\n          y: d.source.y\n        }, {\n          x: Math.round(d.source.x + nodeWidth * 6 / 10),\n          y: d.source.y\n        }, {\n          x: Math.round(d.source.x + nodeWidth * 6 / 10),\n          y: ny\n        }, {\n          x: d.target.marriageNode.x,\n          y: ny\n        }, {\n          x: d.target.marriageNode.x,\n          y: d.target.y\n        }, {\n          x: d.target.x,\n          y: d.target.y\n        }];\n\n        var fun = d3.line().curve(d3.curveStepAfter).x(function (d) {\n          return d.x;\n        }).y(function (d) {\n          return d.y;\n        });\n        return fun(linedata);\n      }\n    }], [{\n      key: '_nodeHeightSeperation',\n      value: function _nodeHeightSeperation(nodeWidth, nodeMaxHeight) {\n        return nodeMaxHeight + 25;\n      }\n    }, {\n      key: '_nodeSize',\n      value: function _nodeSize(nodes, width, textRenderer) {\n        var maxWidth = 0;\n        var maxHeight = 0;\n        var tmpSvg = document.createElement('svg');\n        document.body.appendChild(tmpSvg);\n\n        _.map(nodes, function (n) {\n          var container = document.createElement('div');\n          container.setAttribute('class', n.data['class']);\n          container.style.visibility = 'hidden';\n          container.style.maxWidth = width + 'px';\n\n          var text = textRenderer(n.data.name, n.data.extra, n.data.textClass);\n          container.innerHTML = text;\n\n          tmpSvg.appendChild(container);\n          var height = container.offsetHeight;\n          tmpSvg.removeChild(container);\n\n          maxHeight = Math.max(maxHeight, height);\n          n.cHeight = height;\n          if (n.data.hidden) {\n            n.cWidth = 0;\n          } else {\n            n.cWidth = width;\n          }\n        });\n        document.body.removeChild(tmpSvg);\n\n        return [width, maxHeight];\n      }\n    }, {\n      key: '_marriageSize',\n      value: function _marriageSize(nodes, size) {\n        _.map(nodes, function (n) {\n          if (!n.data.hidden) {\n            n.cHeight = size;\n            n.cWidth = size;\n          }\n        });\n\n        return [size, size];\n      }\n    }, {\n      key: '_nodeRenderer',\n      value: function _nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n        var node = '';\n        node += '<div ';\n        node += 'style=\"height:100%;width:100%;\" ';\n        node += 'class=\"' + nodeClass + '\" ';\n        node += 'id=\"node' + id + '\">\\n';\n        node += textRenderer(name, extra, textClass);\n        node += '</div>';\n        return node;\n      }\n    }, {\n      key: '_textRenderer',\n      value: function _textRenderer(name, extra, textClass) {\n        var node = '';\n        node += '<p ';\n        node += 'align=\"center\" ';\n        node += 'class=\"' + textClass + '\">\\n';\n        node += name;\n        node += '</p>\\n';\n        return node;\n      }\n    }, {\n      key: '_marriageRenderer',\n      value: function _marriageRenderer(x, y, height, width, extra, id, nodeClass) {\n        return '<div style=\"height:100%\" class=\"' + nodeClass + '\" id=\"node' + id + '\"></div>';\n      }\n    }, {\n      key: '_debug',\n      value: function _debug(msg) {\n        if (TreeBuilder.DEBUG_LEVEL > 0) {\n          console.log(msg);\n        }\n      }\n    }]);\n\n    return TreeBuilder;\n  })();\n\n  var dTree = {\n\n    VERSION: '2.4.1',\n\n    init: function init(data) {\n      var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];\n\n      var opts = _.defaultsDeep(options || {}, {\n        target: '#graph',\n        debug: false,\n        width: 600,\n        height: 600,\n        hideMarriageNodes: true,\n        callbacks: {\n          nodeClick: function nodeClick(name, extra, id) {},\n          nodeRightClick: function nodeRightClick(name, extra, id) {},\n          marriageClick: function marriageClick(extra, id) {},\n          marriageRightClick: function marriageRightClick(extra, id) {},\n          nodeHeightSeperation: function nodeHeightSeperation(nodeWidth, nodeMaxHeight) {\n            return TreeBuilder._nodeHeightSeperation(nodeWidth, nodeMaxHeight);\n          },\n          nodeRenderer: function nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n            return TreeBuilder._nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer);\n          },\n          nodeSize: function nodeSize(nodes, width, textRenderer) {\n            return TreeBuilder._nodeSize(nodes, width, textRenderer);\n          },\n          nodeSorter: function nodeSorter(aName, aExtra, bName, bExtra) {\n            return 0;\n          },\n          textRenderer: function textRenderer(name, extra, textClass) {\n            return TreeBuilder._textRenderer(name, extra, textClass);\n          },\n          marriageRenderer: function marriageRenderer(x, y, height, width, extra, id, nodeClass) {\n            return TreeBuilder._marriageRenderer(x, y, height, width, extra, id, nodeClass);\n          },\n          marriageSize: function marriageSize(nodes, size) {\n            return TreeBuilder._marriageSize(nodes, size);\n          }\n        },\n        margin: {\n          top: 0,\n          right: 0,\n          bottom: 0,\n          left: 0\n        },\n        nodeWidth: 100,\n        marriageNodeSize: 10,\n        styles: {\n          node: 'node',\n          marriageNode: 'marriageNode',\n          linage: 'linage',\n          marriage: 'marriage',\n          text: 'nodeText'\n        }\n      });\n\n      var data = this._preprocess(data, opts);\n      var treeBuilder = new TreeBuilder(data.root, data.siblings, opts);\n      treeBuilder.create();\n\n      function _zoomTo(x, y) {\n        var zoom = arguments.length <= 2 || arguments[2] === undefined ? 1 : arguments[2];\n        var duration = arguments.length <= 3 || arguments[3] === undefined ? 500 : arguments[3];\n\n        treeBuilder.svg.transition().duration(duration).call(treeBuilder.zoom.transform, d3.zoomIdentity.translate(opts.width / 2, opts.height / 2).scale(zoom).translate(-x, -y));\n      }\n\n      return {\n        resetZoom: function resetZoom() {\n          var duration = arguments.length <= 0 || arguments[0] === undefined ? 500 : arguments[0];\n\n          treeBuilder.svg.transition().duration(duration).call(treeBuilder.zoom.transform, d3.zoomIdentity.translate(opts.width / 2, opts.margin.top).scale(1));\n        },\n        zoomTo: _zoomTo,\n        zoomToNode: function zoomToNode(nodeId) {\n          var zoom = arguments.length <= 1 || arguments[1] === undefined ? 2 : arguments[1];\n          var duration = arguments.length <= 2 || arguments[2] === undefined ? 500 : arguments[2];\n\n          var node = _.find(treeBuilder.allNodes, { data: { id: nodeId } });\n          if (node) {\n            _zoomTo(node.x, node.y, zoom, duration);\n          }\n        },\n        zoomToFit: function zoomToFit() {\n          var duration = arguments.length <= 0 || arguments[0] === undefined ? 500 : arguments[0];\n\n          var groupBounds = treeBuilder.g.node().getBBox();\n          var width = groupBounds.width;\n          var height = groupBounds.height;\n          var fullWidth = treeBuilder.svg.node().clientWidth;\n          var fullHeight = treeBuilder.svg.node().clientHeight;\n          var scale = 0.95 / Math.max(width / fullWidth, height / fullHeight);\n\n          treeBuilder.svg.transition().duration(duration).call(treeBuilder.zoom.transform, d3.zoomIdentity.translate(fullWidth / 2 - scale * (groupBounds.x + width / 2), fullHeight / 2 - scale * (groupBounds.y + height / 2)).scale(scale));\n        }\n      };\n    },\n\n    _preprocess: function _preprocess(data, opts) {\n\n      var siblings = [];\n      var id = 0;\n\n      var root = {\n        name: '',\n        id: id++,\n        hidden: true,\n        children: []\n      };\n\n      var reconstructTree = function reconstructTree(person, parent) {\n\n        // convert to person to d3 node\n        var node = {\n          name: person.name,\n          id: id++,\n          hidden: false,\n          children: [],\n          extra: person.extra,\n          textClass: person.textClass ? person.textClass : opts.styles.text,\n          'class': person['class'] ? person['class'] : opts.styles.node\n        };\n\n        // hide linages to the hidden root node\n        if (parent == root) {\n          node.noParent = true;\n        }\n\n        // apply depth offset\n        for (var i = 0; i < person.depthOffset; i++) {\n          var pushNode = {\n            name: '',\n            id: id++,\n            hidden: true,\n            children: [],\n            noParent: node.noParent\n          };\n          parent.children.push(pushNode);\n          parent = pushNode;\n        }\n\n        // sort children\n        dTree._sortPersons(person.children, opts);\n\n        // add \"direct\" children\n        _.forEach(person.children, function (child) {\n          reconstructTree(child, node);\n        });\n\n        parent.children.push(node);\n\n        //sort marriages\n        dTree._sortMarriages(person.marriages, opts);\n\n        // go through marriage\n        _.forEach(person.marriages, function (marriage, index) {\n          var m = {\n            name: '',\n            id: id++,\n            hidden: opts.hideMarriageNodes,\n            noParent: true,\n            children: [],\n            isMarriage: true,\n            extra: marriage.extra,\n            'class': marriage['class'] ? marriage['class'] : opts.styles.marriageNode\n          };\n\n          var sp = marriage.spouse;\n\n          var spouse = {\n            name: sp.name,\n            id: id++,\n            hidden: false,\n            noParent: true,\n            children: [],\n            textClass: sp.textClass ? sp.textClass : opts.styles.text,\n            'class': sp['class'] ? sp['class'] : opts.styles.node,\n            extra: sp.extra,\n            marriageNode: m\n          };\n\n          parent.children.push(m, spouse);\n\n          dTree._sortPersons(marriage.children, opts);\n          _.forEach(marriage.children, function (child) {\n            reconstructTree(child, m);\n          });\n\n          siblings.push({\n            source: {\n              id: node.id\n            },\n            target: {\n              id: spouse.id\n            },\n            number: index\n          });\n        });\n      };\n\n      _.forEach(data, function (person) {\n        reconstructTree(person, root);\n      });\n\n      return {\n        root: d3.hierarchy(root),\n        siblings: siblings\n      };\n    },\n\n    _sortPersons: function _sortPersons(persons, opts) {\n      if (persons != undefined) {\n        persons.sort(function (a, b) {\n          return opts.callbacks.nodeSorter.call(this, a.name, a.extra, b.name, b.extra);\n        });\n      }\n      return persons;\n    },\n\n    _sortMarriages: function _sortMarriages(marriages, opts) {\n      if (marriages != undefined && Array.isArray(marriages)) {\n        marriages.sort(function (marriageA, marriageB) {\n          var a = marriageA.spouse;\n          var b = marriageB.spouse;\n          return opts.callbacks.nodeSorter.call(this, a.name, a.extra, b.name, b.extra);\n        });\n      }\n      return marriages;\n    }\n\n  };\n\n  return dTree;\n});\n\n","(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n\ttypeof define === 'function' && define.amd ? define(factory) :\n\t(global.dTree = factory());\n}(this, (function () { 'use strict';\n\nclass TreeBuilder {\n\n  constructor(root, siblings, opts) {\n    TreeBuilder.DEBUG_LEVEL = opts.debug ? 1 : 0;\n\n    this.root = root;\n    this.siblings = siblings;\n    this.opts = opts;\n\n    // flatten nodes\n    this.allNodes = this._flatten(this.root);\n\n    // calculate node sizes\n    this.nodeSize = opts.callbacks.nodeSize.call(this,\n      // filter hidden and marriage nodes\n      _.filter(\n        this.allNodes,\n        node => !(node.hidden || _.get(node, 'data.isMarriage'))\n      ),\n      opts.nodeWidth,\n      opts.callbacks.textRenderer\n    );\n    this.marriageSize = opts.callbacks.marriageSize.call(this,\n      // filter hidden and non marriage nodes\n      _.filter(\n        this.allNodes,\n        node => !node.hidden && _.get(node, 'data.isMarriage')\n      ),\n      this.opts.marriageNodeSize\n    );\n  }\n\n  create() {\n\n    let opts = this.opts;\n    let allNodes = this.allNodes;\n    let nodeSize = this.nodeSize;\n\n    let width = opts.width + opts.margin.left + opts.margin.right;\n    let height = opts.height + opts.margin.top + opts.margin.bottom;\n\n    // create zoom handler\n    const zoom = this.zoom = d3.zoom()\n      .scaleExtent([0.1, 10])\n      .on('zoom', function () {\n        g.attr('transform', d3.event.transform);\n      });\n\n    // make a svg\n    const svg = this.svg = d3.select(opts.target)\n      .append('svg')\n      .attr('viewBox', [0, 0, width, height])\n      .call(zoom);\n\n    // create svg group that holds all nodes\n    const g = this.g = svg.append('g');\n\n    // set zoom identity\n    svg.call(zoom.transform, d3.zoomIdentity.translate(width / 2, opts.margin.top).scale(1));\n\n    // Compute the layout.\n    this.tree = d3.tree()\n      .nodeSize([nodeSize[0] * 2,\n                 opts.callbacks.nodeHeightSeperation.call(this, nodeSize[0], nodeSize[1])]);\n\n    this.tree.separation(function separation(a, b) {\n      if (a.data.hidden || b.data.hidden) {\n        return 0.3;\n      } else {\n        return 0.6;\n      }\n    });\n\n    this._update(this.root);\n\n  }\n\n  _update(source) {\n\n    let opts = this.opts;\n    let allNodes = this.allNodes;\n    let nodeSize = this.nodeSize;\n    let marriageSize = this.marriageSize;\n\n    let treenodes = this.tree(source);\n    let links = treenodes.links();\n\n    // Create the link lines.\n    this.g.selectAll('.link')\n      .data(links)\n      .enter()\n      // filter links with no parents to prevent empty nodes\n      .filter(function(l) {\n        return !l.target.data.noParent;\n      })\n      .append('path')\n      .attr('class', opts.styles.linage)\n      .attr('d', this._elbow);\n\n    let nodes = this.g.selectAll('.node')\n      .data(treenodes.descendants())\n      .enter();\n\n    this._linkSiblings();\n\n    // Draw siblings (marriage)\n    this.g.selectAll('.sibling')\n      .data(this.siblings)\n      .enter()\n      .append('path')\n      .attr('class', opts.styles.marriage)\n      .attr('d', _.bind(this._siblingLine, this));\n\n    // Create the node rectangles.\n    nodes.append('foreignObject')\n      .filter(function(d) {\n        return d.data.hidden ? false : true;\n      })\n      .attr('x', function(d) {\n        return Math.round(d.x - d.cWidth / 2) + 'px';\n      })\n      .attr('y', function(d) {\n        return Math.round(d.y - d.cHeight / 2) + 'px';\n      })\n      .attr('width', function(d) {\n        return d.cWidth + 'px';\n      })\n      .attr('height', function(d) {\n        return d.cHeight + 'px';\n      })\n      .attr('id', function(d) {\n        return d.id;\n      })\n      .html(function(d) {\n        if (d.data.isMarriage) {\n          return opts.callbacks.marriageRenderer.call(this,\n            d.x,\n            d.y,\n            marriageSize[0],\n            marriageSize[1],\n            d.data.extra,\n            d.data.id,\n            d.data.class\n          )\n        } else {\n          return opts.callbacks.nodeRenderer.call(this,\n            d.data.name,\n            d.x,\n            d.y,\n            nodeSize[0],\n            nodeSize[1],\n            d.data.extra,\n            d.data.id,\n            d.data.class,\n            d.data.textClass,\n            opts.callbacks.textRenderer\n          )\n        }\n      })\n      .on('dblclick', function () {\n        // do not propagate a double click on a node\n        // to prevent the zoom from being triggered\n        d3.event.stopPropagation();\n      })\n      .on('click', function(d)  {\n        // ignore double-clicks and clicks on hidden nodes\n        if (d3.event.detail === 2 || d.data.hidden) {\n          return;\n        }\n        if (d.data.isMarriage) {\n          opts.callbacks.marriageClick.call(this, d.data.extra, d.data.id);\n        } else {\n          opts.callbacks.nodeClick.call(this, d.data.name, d.data.extra, d.data.id);\n        }\n      })\n      .on('contextmenu', function(d)  {\n        if (d.data.hidden) {\n          return;\n        }\n        d3.event.preventDefault();\n        if (d.data.isMarriage) {\n          opts.callbacks.marriageRightClick.call(this, d.data.extra, d.data.id);\n        } else {\n          opts.callbacks.nodeRightClick.call(this, d.data.name, d.data.extra, d.data.id);\n        }\n      });\n  }\n\n  _flatten(root) {\n    let n = [];\n    let i = 0;\n\n    function recurse(node) {\n      if (node.children) {\n        node.children.forEach(recurse);\n      }\n      if (!node.id) {\n        node.id = ++i;\n      }\n      n.push(node);\n    }\n    recurse(root);\n    return n;\n  }\n\n  _elbow(d, i) {\n    if (d.target.data.noParent) {\n      return 'M0,0L0,0';\n    }\n    let ny = Math.round(d.target.y + (d.source.y - d.target.y) * 0.50);\n\n    let linedata = [{\n      x: d.target.x,\n      y: d.target.y\n    }, {\n      x: d.target.x,\n      y: ny\n    }, {\n      x: d.source.x,\n      y: d.source.y\n    }];\n\n    let fun = d3.line().curve(d3.curveStepAfter)\n      .x(function(d) {\n        return d.x;\n      })\n      .y(function(d) {\n        return d.y;\n      });\n    return fun(linedata);\n  }\n\n  _linkSiblings() {\n\n    let allNodes = this.allNodes;\n\n    _.forEach(this.siblings, function(d) {\n      let start = allNodes.filter(function(v) {\n        return d.source.id == v.data.id;\n      });\n      let end = allNodes.filter(function(v) {\n        return d.target.id == v.data.id;\n      });\n      d.source.x = start[0].x;\n      d.source.y = start[0].y;\n      d.target.x = end[0].x;\n      d.target.y = end[0].y;\n\n      let marriageId = (start[0].data.marriageNode != null ?\n                        start[0].data.marriageNode.id :\n                        end[0].data.marriageNode.id);\n      let marriageNode = allNodes.find(function(n) {\n        return n.data.id == marriageId;\n      });\n      d.source.marriageNode = marriageNode;\n      d.target.marriageNode = marriageNode;\n    });\n\n  }\n\n  _siblingLine(d, i) {\n\n    let ny = Math.round(d.target.y + (d.source.y - d.target.y) * 0.50);\n    let nodeWidth = this.nodeSize[0];\n    let nodeHeight = this.nodeSize[1];\n\n    // Not first marriage\n    if (d.number > 0) {\n      ny -= Math.round(nodeHeight * 8 / 10);\n    }\n\n    let linedata = [{\n      x: d.source.x,\n      y: d.source.y\n    }, {\n      x: Math.round(d.source.x + nodeWidth * 6 / 10),\n      y: d.source.y\n    }, {\n      x: Math.round(d.source.x + nodeWidth * 6 / 10),\n      y: ny\n    }, {\n      x: d.target.marriageNode.x,\n      y: ny\n    }, {\n      x: d.target.marriageNode.x,\n      y: d.target.y\n    }, {\n      x: d.target.x,\n      y: d.target.y\n    }];\n\n    let fun = d3.line().curve(d3.curveStepAfter)\n      .x(function(d) {\n        return d.x;\n      })\n      .y(function(d) {\n        return d.y;\n      });\n    return fun(linedata);\n  }\n\n  static _nodeHeightSeperation(nodeWidth, nodeMaxHeight) {\n    return nodeMaxHeight + 25;\n  }\n\n  static _nodeSize(nodes, width, textRenderer) {\n    let maxWidth = 0;\n    let maxHeight = 0;\n    let tmpSvg = document.createElement('svg');\n    document.body.appendChild(tmpSvg);\n\n    _.map(nodes, function(n) {\n      let container = document.createElement('div');\n      container.setAttribute('class', n.data.class);\n      container.style.visibility = 'hidden';\n      container.style.maxWidth = width + 'px';\n\n      let text = textRenderer(n.data.name, n.data.extra, n.data.textClass);\n      container.innerHTML = text;\n\n      tmpSvg.appendChild(container);\n      let height = container.offsetHeight;\n      tmpSvg.removeChild(container);\n\n      maxHeight = Math.max(maxHeight, height);\n      n.cHeight = height;\n      if (n.data.hidden) {\n        n.cWidth = 0;\n      } else {\n        n.cWidth = width;\n      }\n    });\n    document.body.removeChild(tmpSvg);\n\n    return [width, maxHeight];\n  }\n\n  static _marriageSize (nodes, size) {\n    _.map(nodes, function (n) {\n      if (!n.data.hidden) {\n        n.cHeight = size;\n        n.cWidth = size;\n      }\n    });\n\n    return [size, size]\n  }\n\n  static _nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n    let node = '';\n    node += '<div ';\n    node += 'style=\"height:100%;width:100%;\" ';\n    node += 'class=\"' + nodeClass + '\" ';\n    node += 'id=\"node' + id + '\">\\n';\n    node += textRenderer(name, extra, textClass);\n    node += '</div>';\n    return node;\n  }\n\n  static _textRenderer(name, extra, textClass) {\n    let node = '';\n    node += '<p ';\n    node += 'align=\"center\" ';\n    node += 'class=\"' + textClass + '\">\\n';\n    node += name;\n    node += '</p>\\n';\n    return node;\n  }\n\n  static _marriageRenderer (x, y, height, width, extra, id, nodeClass) {\n    return `<div style=\"height:100%\" class=\"${nodeClass}\" id=\"node${id}\"></div>`\n  }\n\n  static _debug(msg) {\n    if (TreeBuilder.DEBUG_LEVEL > 0)  {\n      console.log(msg);\n    }\n  }\n\n}\n\nconst dTree = {\n\n  VERSION: '2.4.1',\n\n  init: function(data, options = {}) {\n\n    var opts = _.defaultsDeep(options || {}, {\n      target: '#graph',\n      debug: false,\n      width: 600,\n      height: 600,\n      hideMarriageNodes: true,\n      callbacks: {\n        nodeClick: function(name, extra, id) {},\n        nodeRightClick: function(name, extra, id) {},\n        marriageClick: function(extra, id) {},\n        marriageRightClick: function(extra, id) {},\n        nodeHeightSeperation: function(nodeWidth, nodeMaxHeight) {\n          return TreeBuilder._nodeHeightSeperation(nodeWidth, nodeMaxHeight);\n        },\n        nodeRenderer: function(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n          return TreeBuilder._nodeRenderer(name, x, y, height, width, extra,\n            id,nodeClass, textClass, textRenderer);\n        },\n        nodeSize: function(nodes, width, textRenderer) {\n          return TreeBuilder._nodeSize(nodes, width, textRenderer);\n        },\n        nodeSorter: function(aName, aExtra, bName, bExtra) {return 0;},\n        textRenderer: function(name, extra, textClass) {\n          return TreeBuilder._textRenderer(name, extra, textClass);\n        },\n        marriageRenderer: function (x, y, height, width, extra, id, nodeClass) {\n          return TreeBuilder._marriageRenderer(x, y, height, width, extra, id, nodeClass)\n        },\n        marriageSize: function (nodes, size) {\n          return TreeBuilder._marriageSize(nodes, size)\n        },\n      },\n      margin: {\n        top: 0,\n        right: 0,\n        bottom: 0,\n        left: 0\n      },\n      nodeWidth: 100,\n      marriageNodeSize: 10,\n      styles: {\n        node: 'node',\n        marriageNode: 'marriageNode',\n        linage: 'linage',\n        marriage: 'marriage',\n        text: 'nodeText'\n      }\n    });\n\n    var data = this._preprocess(data, opts);\n    var treeBuilder = new TreeBuilder(data.root, data.siblings, opts);\n    treeBuilder.create();\n\n    function _zoomTo (x, y, zoom = 1, duration = 500) {\n      treeBuilder.svg\n        .transition()\n        .duration(duration)\n        .call(\n          treeBuilder.zoom.transform,\n          d3.zoomIdentity\n            .translate(opts.width / 2, opts.height / 2)\n            .scale(zoom)\n            .translate(-x, -y)\n        );\n    }\n\n    return {\n      resetZoom: function (duration = 500) {\n        treeBuilder.svg\n          .transition()\n          .duration(duration)\n          .call(\n            treeBuilder.zoom.transform,\n            d3.zoomIdentity.translate(opts.width / 2, opts.margin.top).scale(1)\n          );\n      },\n      zoomTo: _zoomTo,\n      zoomToNode: function (nodeId, zoom = 2, duration = 500) {\n        const node = _.find(treeBuilder.allNodes, {data: {id: nodeId}});\n        if (node) {\n          _zoomTo(node.x, node.y, zoom, duration);\n        }\n      },\n      zoomToFit: function (duration = 500) {\n        const groupBounds = treeBuilder.g.node().getBBox();\n        const width = groupBounds.width;\n        const height = groupBounds.height;\n        const fullWidth = treeBuilder.svg.node().clientWidth;\n        const fullHeight = treeBuilder.svg.node().clientHeight;\n        const scale = 0.95 / Math.max(width / fullWidth, height / fullHeight);\n\n        treeBuilder.svg\n          .transition()\n          .duration(duration)\n          .call(\n            treeBuilder.zoom.transform,\n            d3.zoomIdentity\n              .translate(\n                fullWidth / 2 - scale * (groupBounds.x + width / 2),\n                fullHeight / 2 - scale * (groupBounds.y + height / 2)\n              )\n              .scale(scale)\n          );\n      }\n    }\n  },\n\n  _preprocess: function(data, opts) {\n\n    var siblings = [];\n    var id = 0;\n\n    var root = {\n      name: '',\n      id: id++,\n      hidden: true,\n      children: []\n    };\n\n    var reconstructTree = function(person, parent) {\n\n      // convert to person to d3 node\n      var node = {\n        name: person.name,\n        id: id++,\n        hidden: false,\n        children: [],\n        extra: person.extra,\n        textClass: person.textClass ? person.textClass : opts.styles.text,\n        class: person.class ? person.class : opts.styles.node\n      };\n\n      // hide linages to the hidden root node\n      if (parent == root) {\n        node.noParent = true;\n      }\n\n      // apply depth offset\n      for (var i = 0; i < person.depthOffset; i++) {\n        var pushNode = {\n          name: '',\n          id: id++,\n          hidden: true,\n          children: [],\n          noParent: node.noParent\n        };\n        parent.children.push(pushNode);\n        parent = pushNode;\n      }\n\n      // sort children\n      dTree._sortPersons(person.children, opts);\n\n      // add \"direct\" children\n      _.forEach(person.children, function(child) {\n        reconstructTree(child, node);\n      });\n\n      parent.children.push(node);\n\n      //sort marriages\n      dTree._sortMarriages(person.marriages, opts);\n\n      // go through marriage\n      _.forEach(person.marriages, function(marriage, index) {\n        var m = {\n          name: '',\n          id: id++,\n          hidden: opts.hideMarriageNodes,\n          noParent: true,\n          children: [],\n          isMarriage: true,\n          extra: marriage.extra,\n          class: marriage.class ? marriage.class : opts.styles.marriageNode\n        };\n\n        var sp = marriage.spouse;\n\n        var spouse = {\n          name: sp.name,\n          id: id++,\n          hidden: false,\n          noParent: true,\n          children: [],\n          textClass: sp.textClass ? sp.textClass : opts.styles.text,\n          class: sp.class ? sp.class : opts.styles.node,\n          extra: sp.extra,\n          marriageNode: m\n        };\n\n        parent.children.push(m, spouse);\n\n        dTree._sortPersons(marriage.children, opts);\n        _.forEach(marriage.children, function(child) {\n          reconstructTree(child, m);\n        });\n\n        siblings.push({\n          source: {\n            id: node.id\n          },\n          target: {\n            id: spouse.id\n          },\n          number: index\n        });\n      });\n\n    };\n\n    _.forEach(data, function(person) {\n      reconstructTree(person, root);\n    });\n\n    return {\n      root: d3.hierarchy(root),\n      siblings: siblings\n    };\n\n  },\n\n  _sortPersons: function(persons, opts) {\n    if (persons != undefined) {\n      persons.sort(function(a, b) {\n        return opts.callbacks.nodeSorter.call(this, a.name, a.extra, b.name, b.extra);\n      });\n    }\n    return persons;\n  },\n\n  _sortMarriages: function(marriages, opts) {\n    if (marriages != undefined && Array.isArray(marriages)) {\n      marriages.sort(function(marriageA, marriageB) {\n        var a = marriageA.spouse;\n        var b = marriageB.spouse;\n        return opts.callbacks.nodeSorter.call(this, a.name, a.extra, b.name, b.extra);\n      });\n    }\n    return marriages;\n  }\n\n};\n\nreturn dTree;\n\n})));\n"]}