Created
August 6, 2012 07:43
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d3 treemap, adding parents, code in progress
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| <html> | |
| <head> | |
| <script type="text/javascript" src="http://d3js.org/d3.v2.js"></script> | |
| <script type="text/javascript" src="https://github.com/mbostock/d3/blob/master/src/layout/treemap.js"></script> | |
| <script type="text/javascript" src="https://github.com/mbostock/d3/blob/master/src/layout/hierarchy.js"></script> | |
| <style type="text/css"> | |
| rect { | |
| fill: none; | |
| stroke: #fff; | |
| } | |
| rect:hover{ | |
| opacity: 0.5; | |
| } | |
| text { | |
| font-family:"Times New Roman",Times,serif; | |
| font-size: 12px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="body"></body> | |
| <script type="text/javascript"> | |
| var pathJson = { | |
| "name": "Sample data", | |
| "children": [ | |
| { | |
| "name": "Title 1", "size":1, | |
| "children": [ | |
| { | |
| "name": "Title 1-1", "size":1, | |
| "children": [ | |
| {"name": "1-1-1", "size": 1}, | |
| {"name": "1-1-2", "size": 1}, | |
| {"name": "1-1-3", "size": 1}, | |
| {"name": "1-1-4", "size": 1} | |
| ] | |
| }, | |
| { | |
| "name": "Title 1-2", "size":1, | |
| "children": [ | |
| {"name": "1-2-1", "size": 1}, | |
| {"name": "1-2-2", "size": 1}, | |
| {"name": "1-2-3", "size": 1} | |
| ] | |
| }, | |
| { | |
| "name": "Title 1-3", "size":1, | |
| "children": [ | |
| {"name": "1-3-1", "size": 1} | |
| ] | |
| } | |
| ] | |
| } | |
| ] | |
| } | |
| var w = 1280 - 80, | |
| h = 800 - 180, | |
| x = d3.scale.linear().range([0, w]), | |
| y = d3.scale.linear().range([0, h]), | |
| color = d3.scale.category10(), | |
| root, | |
| node; | |
| var treemap = d3.layout.treemap() | |
| .round(false) | |
| .size([w, h]) | |
| .sticky(false) | |
| .padding([10, 0, 0, 0]) | |
| .value(function(d) { return d.size; }); | |
| var svg = d3.select("#body").append("div") | |
| .attr("class", "chart") | |
| .style("width", w + "px") | |
| .style("height", h + "px") | |
| .append("svg:svg") | |
| .attr("width", w) | |
| .attr("height", h) | |
| .append("svg:g") | |
| .attr("transform", "translate(.5,.5)"); | |
| node = root = pathJson; | |
| var nodes = treemap.nodes(root); | |
| var children = nodes.filter(function(d) { return !d.children; }); | |
| var parents = nodes.filter(function(d) { return d.children; }); | |
| var childCell = svg.selectAll("g") | |
| .data(children) | |
| .enter().append("svg:g") | |
| .attr("class", "childCell") | |
| .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; }) | |
| .on("click", function(d) { return zoom(node == d.parent ? root : d.parent); }); | |
| childCell.append("svg:rect") | |
| .attr("width", function(d) { return d.dx - 1; }) | |
| .attr("height", function(d) { return d.dy - 1; }) | |
| .style("fill", function(d) { return color(d.parent.name); }); | |
| childCell.append("svg:text") | |
| .attr("x", function(d) { return d.dx / 2; }) | |
| .attr("y", function(d) { return d.dy / 2; }) | |
| .attr("dy", ".35em") | |
| .attr("text-anchor", "middle") | |
| .text(function(d) { return d.name; }) | |
| .style("opacity", function(d) { d.w = this.getComputedTextLength(); return d.dx > d.w ? 1 : 0; }); | |
| var parentCell = svg.selectAll("g") | |
| .data(parents) | |
| .enter() | |
| .append("svg:g") | |
| .attr("class","parentCell") | |
| .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; }); | |
| parentCell.append("svg:rect") | |
| .attr("width", function(d) { /*CHECK PARENT NAME*/ alert(d.name); return d.dx - 1; }) | |
| .attr("height", function(d) { return d.dy - 1; }) | |
| .style("fill", "grey"); | |
| d3.select(window).on("click", function() { zoom(root); }); | |
| d3.select("select").on("change", function() { | |
| treemap.value(this.value == "size" ? size : count).nodes(root); | |
| zoom(node); | |
| }); | |
| function size(d) { | |
| return d.size; | |
| } | |
| function count(d) { | |
| return 1; | |
| } | |
| function zoom(d) { | |
| //alert(d.name); | |
| var kx = w / d.dx, ky = h / d.dy; | |
| x.domain([d.x, d.x + d.dx]); | |
| y.domain([d.y, d.y + d.dy]); | |
| var t = svg.selectAll("g.ChildCell").transition() | |
| .duration(d3.event.altKey ? 7500 : 750) | |
| .attr("transform", function(d) { return "translate(" + x(d.x) + "," + y(d.y) + ")"; }); | |
| t.select("rect") | |
| .attr("width", function(d) { return kx * d.dx - 1; }) | |
| .attr("height", function(d) { return ky * d.dy - 1; }) | |
| t.select("text") | |
| .attr("x", function(d) { return kx * d.dx / 2; }) | |
| .attr("y", function(d) { return ky * d.dy / 2; }) | |
| .style("opacity", function(d) { return kx * d.dx > d.w ? 1 : 0; }); | |
| //.style("font-size", function(d) { return kx * d.dx > d.w ? "20px" : "12px";}); | |
| node = d; | |
| d3.event.stopPropagation(); | |
| } | |
| </script> | |
| </body> | |
| </html> | |
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