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| Ligne 1 : |
Ligne 1 : |
| − | <syntaxhighlight lang="javascript" line>
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| − | var margin = {top: 20, right: 120, bottom: 20, left: 120};
| + | == PLAN D'ETUDE INTERACTIF == |
| − | var width = 1000;
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| − | var height = 700;
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| | | | |
| − | var i = 0,
| + | Voir le Github du projet : https://github.com/antoine1000/erg-dendrogram |
| − | duration = 750,
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| − | root;
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| − | | |
| − | var tree = d3.layout.tree()
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| − | .size([height, width]);
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| − | /*.size([360, width / 2 - 120]);*/
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| − | | |
| − | var diagonal = d3.svg.diagonal()
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| − | .projection(function(d) { return [d.y, d.x]; });
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| − | | |
| − | var svg = d3.select("body").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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| − | | |
| − | // Import lightbox
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| − | var lightbox;
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| − | | |
| − | d3.json("erg.json", function(error, flare) {
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| − | if (error) throw error;
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| − | | |
| − | root = flare;
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| − | root.x0 = height / 2;
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| − | root.y0 = 0;
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| − | | |
| − | function collapse(d) {
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| − | if (d.children) {
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| − | d._children = d.children;
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| − | d._children.forEach(collapse);
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| − | d.children = null;
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| − | }
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| − | }
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| − | | |
| − | root.children.forEach(collapse);
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| − | update(root);
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| − | });
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| − | | |
| − | d3.select(self.frameElement).style("height", "800px");
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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(" + source.y0 + "," + source.x0 + ")"; })
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| − | /*.attr("transform", function(d) { return "translate(" + project(d.x, d.y) + ")"; })*/
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| − | .on("click", click);
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| − | | |
| − | | |
| − | nodeEnter.append("circle")
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| − | .attr("r", 1e-6)
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| − | //open lightbox when a node has link and is clicked
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| − | .on("click", function (d) {
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| − | console.log('click! / this =', this, '/ d =', d);
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| − | //open lightbox
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| − | if(d.link){
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| − | d3.event.preventDefault();
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| − | lightbox = lity(d.link);
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| − | }
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| − | // d3
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| − | /*d3.selectAll("circle").filter(function (cd) {return cd == d.parent }).classed('active', true);*/
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| − | activate(this, d);
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| − | })
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| − | | |
| − | nodeEnter.append("text")
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| − | .attr("x", function(d) { return d.children || d._children ? -10 : 10; })
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| − | .attr("dy", ".35em")
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| − | .attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
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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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| − | node.classed("leaf", function(d) { return !d._children; });
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| − | var nodeUpdate = node.transition()
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| − | .duration(duration)
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| − | .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });
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| − | | |
| − | nodeUpdate.select("circle")
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| − | .attr("r", 4.5);
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| − |
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| − | | |
| − | nodeUpdate.select("text")
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| − | .style("fill-opacity", 1);
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| − | | |
| − | // Transition exiting nodes to the parent's new position.
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| − | var nodeExit = node.exit().transition()
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| − | .duration(duration)
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| − | .attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
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| − | .remove();
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| − | | |
| − | nodeExit.select("circle")
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| − | .attr("r", 1e-6);
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| − | | |
| − | nodeExit.select("text")
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| − | .style("fill-opacity", 1e-6);
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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.x0, y: source.y0};
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| − | return diagonal({source: o, target: o});
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| − | });
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| − | /*.attr("d", function(d) {
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| − | return "M" + project(d.x, d.y)
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| − | + "C" + project(d.x, (d.y + d.parent.y) / 2)
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| − | + " " + project(d.parent.x, (d.y + d.parent.y) / 2)
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| − | + " " + project(d.parent.x, d.parent.y);
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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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| − | | |
| − | // Transition exiting nodes to the parent's new position.
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| − | link.exit().transition()
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| − | .duration(duration)
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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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| − | .remove();
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| − | | |
| − | // Stash the old positions for transition.
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| − | nodes.forEach(function(d) {
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| − | d.x0 = d.x;
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| − | d.y0 = d.y;
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| − | });
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| − | }
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| − | | |
| − | // Toggle children on click.
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| − | function click(d) {
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| − | if (d.children) {
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| − | d._children = d.children;
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| − | d.children = null;
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| − | } else {
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| − | d.children = d._children;
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| − | d._children = null;
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| − | }
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| − | update(d);
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| − | }
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| − | | |
| − | | |
| − | function project(x, y) {
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| − | var angle = (x - 90) / 180 * Math.PI, radius = y;
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| − | return [radius * Math.cos(angle), radius * Math.sin(angle)];
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| − | }
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| − | | |
| − | | |
| − | function activate(elt, d, noclear) {
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| − | // Clear all active classes
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| − | if(noclear == undefined) {
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| − | d3.selectAll("circle.active").classed("active", false);
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| − | d3.selectAll("path.link").classed("active", false);
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| − | }
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| − | // Add active class to elements
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| − | d3.select(elt).classed("active", true);
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| − | console.log('need to activate', d.parent);
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| − |
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| − | d3.selectAll("circle").each(function (cd) {
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| − | if(cd == d.parent){
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| − | activate(this, cd, true);
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| − | d3.select(this).classed('active', true);
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| − | }
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| − | // give "active" class to path between clicked node
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| − | d3.selectAll("path.link").each(function (cd){
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| − | if(cd.target == d){
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| − | d3.select(this).classed('active', true);
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| − | }
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| − | })
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| − | });
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| − | }
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| − | | |
| − | </syntaxhighlight>
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