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window.eu_etaxonomy_cdm_vaadin_jscomponent_D3CTree = function() {
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var connector = this;
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var diagramElement = connector.getElement();
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var margin = {top: 20, right: 120, bottom: 20, left: 120},
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width = 960 - margin.right - margin.left,
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height = 800 - margin.top - margin.bottom;
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var i = 0,
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duration = 750,
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root;
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var tree;
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var diagonal;
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var svg = d3.select(diagramElement).append("svg")
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.attr("width", width + margin.right + margin.left)
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.attr("height", height + margin.top + margin.bottom)
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.append("g")
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
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var selectedNode;
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var orientations = {
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"topbottom": {
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size: [width, height],
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x: function(d) { return d.x; },
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y: function(d) { return d.y; }
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},
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"rightleft": {
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size: [height, width],
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x: function(d) { return width - d.y; },
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y: function(d) { return d.x; }
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},
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"bottomtop": {
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size: [width, height],
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x: function(d) { return d.x; },
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y: function(d) { return height - d.y; }
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},
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"leftright": {
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size: [height, width],
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x: function(d) { return d.y; },
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y: function(d) { return d.x; }
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}
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};
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// default setting is left-right
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var orientation = orientations.rightleft;
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var tAnchorWithChildren = "end";
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var tAnchorWithoutChildren = "start";
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var dirMult = 1;
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this.onStateChange = function() {
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crTree = this.getState().conceptRelationshipTree;
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if(crTree) {
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root = JSON.parse(connector.getState().conceptRelationshipTree);
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if(root.direction === "left-right") {
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orientation = orientations.leftright;
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tAnchorWithChildren = "end";
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tAnchorWithoutChildren = "start";
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dirMult = 1;
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}
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if(root.direction === "right-left") {
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orientation = orientations.rightleft;
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tAnchorWithChildren = "start";
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tAnchorWithoutChildren = "end";
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dirMult = -1;
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}
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diagonal = d3.svg.diagonal().projection(function(d) { return [orientation.x(d), orientation.y(d)]; });
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tree = d3.layout.tree().size(orientation.size);
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update(root);
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d3.select(self.frameElement).style("height", "800px");
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}
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}
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function update(source) {
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// Compute the new tree layout.
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var nodes = tree.nodes(root).reverse(),
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links = tree.links(nodes);
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// Normalize for fixed-depth.
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nodes.forEach(function(d) { d.y = d.depth * 180; });
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// Update the nodes…
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var node = svg.selectAll("g.node")
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.data(nodes, function(d) { return d.id || (d.id = ++i); });
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// Enter any new nodes at the parent's previous position.
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var nodeEnter = node.enter().append("g")
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.attr("class", "node")
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.attr("transform", function(d) { return "translate(" + orientation.x(source) + "," + orientation.y(source) + ")"; })
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.on("click", click);
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nodeEnter.append("circle")
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.attr("r", function(d) { return d.type === "taxon" ? 5 : 10; })
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.style("fill", function(d) { return d === source && d.type === "conceptr" ? "#DF7401" : "#fff"; });
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nodeEnter.append("text")
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.attr("x", function(d) {
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if(d.type === "conceptr") {
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return dirMult*50;
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} else {
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return d.children || d._children ? -1*dirMult*10 : dirMult*10;
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}
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})
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.attr("y", function(d) { return d.type === "conceptr" ? -20 : 0; })
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.attr("dy", ".35em")
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.attr("text-anchor", function(d) { return d.children || d._children ? tAnchorWithChildren : tAnchorWithoutChildren; })
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.text(function(d) { return d.name; })
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.style("fill-opacity", 1e-6);
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// Transition nodes to their new position.
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var nodeUpdate = node.transition()
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.duration(duration)
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.attr("transform", function(d) { return "translate(" + orientation.x(d) + "," + orientation.y(d) + ")"; });
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nodeUpdate.select("circle")
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.attr("r", function(d) { return d.type === "taxon" ? 5 : 10; })
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.style("fill", function(d) { return d === selectedNode && d.type === "conceptr" ? "#DF7401" : "#fff"; });
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nodeUpdate.select("text")
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.style("fill-opacity", 1);
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// Update the links…
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var link = svg.selectAll("path.link")
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.data(links, function(d) { return d.target.id; });
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// Enter any new links at the parent's previous position.
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link.enter().insert("path", "g")
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.attr("class", "link")
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.attr("d", function(d) {
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var o = {x: source.x, y: source.y};
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return diagonal({source: o, target: o});
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});
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// Transition links to their new position.
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link.transition()
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.duration(duration)
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.attr("d", diagonal);
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}
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// Toggle children on click.
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function click(d) {
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//root.children.forEach(collapse);
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if(d.type === "conceptr") {
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connector.select(d.uuid);
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}
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selectedNode = d;
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update(d);
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}
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}
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