Refactoring some code see #1791
Julio Montoya
13 years ago
parent
54a3788c72
commit
670d532845
@ -1,6 +0,0 @@ |
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<?php |
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require '../inc/global.inc.php'; |
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$skills = new Skill(); |
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//$all = $skills->get_all(false,false,null,0); |
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$all = $skills->get_skills_tree_json(); |
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echo $all; |
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@ -1,200 +0,0 @@ |
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/* Define constants and size of the wheel */ |
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/** Total width of the wheel (also counts for the height) */ |
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$(document).ready(function() { |
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var w = 800, |
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h = w, |
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r = w / 2, |
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/** x/y positionning of the center of the wheel */ |
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x = d3.scale.linear().range([0, 2 * Math.PI]), |
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y = d3.scale.pow().exponent(1.1).domain([0, 1]).range([0, r]), |
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/** Padding in pixels before th string starts */ |
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p = 3, |
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/** Duration of click animations */ |
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duration = 1000, |
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/** Levels to show */ |
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l = 3; |
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/* Locate the #div id element */ |
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var div = d3.select("#vis"); |
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/* Remove the image (make way for the dynamic stuff */ |
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div.select("img").remove(); |
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/* Append an element "svg" to the #vis section */ |
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var vis = div.append("svg") |
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.attr("width", w + p * 2) |
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.attr("height", h + p * 2) |
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.append("g") |
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.attr("transform", "translate(" + (r + p) + "," + (r/1.5 + p) + ")");
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/* ...update translate variables to change coordinates of wheel's center */ |
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/* Add a small label to help the user */ |
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div.append("p") |
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.attr("id", "intro") |
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.text("Click to zoom!"); |
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/* Generate the partition layout */ |
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var partition = d3.layout.partition() |
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.sort(null) |
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/** Value here seems to be a calculation of the size of the elements |
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depending on the level of depth they're at. Changing it makes |
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elements pass over the limits of others... */ |
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.value(function(d) { |
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return 5.8 - d.depth; |
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}); |
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/* Generate an arc which will define the whole wheel context */ |
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var arc = d3.svg.arc() |
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.startAngle(function(d) { |
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return Math.max(0, Math.min(2 * Math.PI, x(d.x))); |
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}) |
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.endAngle(function(d) { |
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return Math.max(0, Math.min(2 * Math.PI, x(d.x + d.dx))); |
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}) |
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.innerRadius(function(d) { |
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return Math.max(0, d.y ? y(d.y) : d.y); |
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}) |
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.outerRadius(function(d) { |
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return Math.max(0, y(d.y + d.dy)); |
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}); |
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/* ...adding "+1" to "y" function's params is really funny */ |
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/* Exexute the calculation based on a JSON file provided */ |
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/*d3.json("wheel.json", function(json) {*/ |
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/** Get the JSON list of skills and work on it */ |
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d3.json("skills.json.php", function(json) { |
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/** Define the list of nodes based on the JSON */ |
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var nodes = partition.nodes({ |
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children: json |
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}); |
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var path = vis.selectAll("path").data(nodes); |
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path.enter().append("path") |
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.attr("id", function(d, i) { |
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return "path-" + i; |
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}) |
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.attr("d", arc) |
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.attr("fill-rule", "evenodd") |
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.style("fill", colour) |
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.on("click", click); |
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var text = vis.selectAll("text").data(nodes); |
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var textEnter = text.enter().append("text") |
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.style("fill-opacity", 1) |
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.style("fill", function(d) { |
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return brightness(d3.rgb(colour(d))) < 125 ? "#eee" : "#000"; |
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}) |
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.attr("text-anchor", function(d) { |
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return x(d.x + d.dx / 2) > Math.PI ? "end" : "start"; |
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}) |
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.attr("dy", ".2em") |
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.attr("transform", function(d) { |
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/** Get the text details and define the rotation and general position */ |
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var multiline = (d.name || "").split(" ").length > 1, |
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angle = x(d.x + d.dx / 2) * 180 / Math.PI - 90, |
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rotate = angle + (multiline ? -.5 : 0); |
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return "rotate(" + rotate + ")translate(" + (y(d.y) + p) + ")rotate(" + (angle > 90 ? -180 : 0) + ")"; |
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}) |
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.on("click", click); |
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/** Managing text - alway maximum two words */ |
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textEnter.append("tspan") |
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.attr("x", 0) |
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.text(function(d) { |
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return d.depth ? d.name.split(" ")[0] : ""; |
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}); |
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textEnter.append("tspan") |
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.attr("x", 0) |
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.attr("dy", "1em") |
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.text(function(d) { |
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return d.depth ? d.name.split(" ")[1] || "" : ""; |
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}); |
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function click(d) { |
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path.transition() |
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.duration(duration) |
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.attrTween("d", arcTween(d)); |
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// Somewhat of a hack as we rely on arcTween updating the scales.
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text.style("visibility", function(e) { |
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return isParentOf(d, e) ? null : d3.select(this).style("visibility"); |
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}) |
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.transition().duration(duration) |
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.attrTween("text-anchor", function(d) { |
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return function() { |
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return x(d.x + d.dx / 2) > Math.PI ? "end" : "start"; |
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}; |
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}) |
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.attrTween("transform", function(d) { |
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var multiline = (d.name || "").split(" ").length > 1; |
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return function() { |
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var angle = x(d.x + d.dx / 2) * 180 / Math.PI - 90, |
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rotate = angle + (multiline ? -.5 : 0); |
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return "rotate(" + rotate + ")translate(" + (y(d.y) + p) + ")rotate(" + (angle > 90 ? -180 : 0) + ")"; |
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}; |
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}) |
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.style("fill-opacity", function(e) { |
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return isParentOf(d, e) ? 1 : 1e-6; |
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}) |
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.each("end", function(e) { |
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d3.select(this).style("visibility", isParentOf(d, e) ? null : "hidden"); |
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}); |
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} |
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}); |
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/* Returns whether p is parent of c */ |
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function isParentOf(p, c) { |
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if (p === c) return true; |
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if (p.children) { |
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return p.children.some(function(d) { |
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return isParentOf(d, c); |
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}); |
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} |
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return false; |
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} |
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/* Generated random colour */ |
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function colour(d) { |
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if (d.children) { |
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// There is a maximum of two children!
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var colours = d.children.map(colour), |
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a = d3.hsl(colours[0]), |
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b = d3.hsl(colours[1]); |
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// L*a*b* might be better here...
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return d3.hsl((a.h + b.h) / 2, a.s * 1.2, a.l / 1.2); |
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} |
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return d.colour || "#fff"; |
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} |
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/* Interpolate the scales! */ |
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function arcTween(d) { |
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var my = maxY(d), |
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xd = d3.interpolate(x.domain(), [d.x, d.x + d.dx]), |
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yd = d3.interpolate(y.domain(), [d.y, my]), |
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yr = d3.interpolate(y.range(), [d.y ? 20 : 0, r]); |
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return function(d) { |
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return function(t) { |
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x.domain(xd(t)); |
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y.domain(yd(t)).range(yr(t)); |
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return arc(d); |
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}; |
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}; |
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} |
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/* */ |
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function maxY(d) { |
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return d.children ? Math.max.apply(Math, d.children.map(maxY)) : d.y + d.dy; |
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} |
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/* Use a formula for contrasting colour |
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http://www.w3.org/WAI/ER/WD-AERT/#color-contrast
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*/ |
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function brightness(rgb) { |
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return rgb.r * .299 + rgb.g * .587 + rgb.b * .114; |
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} |
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}); |
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