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d3.js: show tooltip in absolutely positioned DIV, which position is calculated taking screen size+scroll into consideration
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| # Editor backup files | |
| *.bak | |
| *~ |
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| { | |
| "name": "flare", | |
| "children": [ | |
| { | |
| "name": "vis", | |
| "children": [ | |
| { | |
| "name": "events", | |
| "children": [ | |
| {"name": "DataEvent", "size": 2200, | |
| "children": [ | |
| {"name": "DataEvent", "size": 800, "color" : "red"}, | |
| {"name": "SelectionEvent", "size": 600, "color" : "red"}, | |
| {"name": "TooltipEvent", "size": 300, "color" : "red"}, | |
| {"name": "VisualizationEvent", "size": 250, "color" : "red"}, | |
| {"name": "TooltipEvent", "size": 250, "color" : "red"}, | |
| {"name": "DataEvent", "size": 525, "color" : "red"}, | |
| {"name": "SelectionEvent", "size": 375, "color" : "red"}, | |
| {"name": "TooltipEvent", "size": 265, "color" : "red"}, | |
| {"name": "VisualizationEvent", "size": 136, "color" : "red"}, | |
| {"name": "TooltipEvent", "size": 100, "color" : "red"} | |
| ] | |
| }, | |
| {"name": "SelectionEvent", "size": 1400, | |
| "children": [ | |
| {"name": "DataEvent", "size": 525, "color" : "aqua"}, | |
| {"name": "SelectionEvent", "size": 375, "color" : "aqua"}, | |
| {"name": "TooltipEvent", "size": 265, "color" : "aqua"}, | |
| {"name": "VisualizationEvent", "size": 136, "color" : "aqua"}, | |
| {"name": "TooltipEvent", "size": 100, "color" : "aqua"} | |
| ]}, | |
| {"name": "TooltipEvent", "size": 1200, "color" : "green"}, | |
| {"name": "VisualizationEvent", "size": 825, "color" : "blue"}, | |
| {"name": "TooltipEvent", "size": 400, "color" : "purple"} | |
| ] | |
| } | |
| ] | |
| } | |
| ] | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js?2.9.0"></script> | |
| <style type="text/css"> | |
| body | |
| { | |
| position: relative; /* http://www.barelyfitz.com/screencast/html-training/css/positioning/ */ | |
| } | |
| /* | |
| svg | |
| { | |
| margin-left: 33px; | |
| margin-top: 17px; | |
| } | |
| */ | |
| </style> | |
| </head> | |
| <body onResize="window.location=window.location;"> | |
| <script type="text/javascript" src="treemap-svg.js"></script> | |
| </body> | |
| </html> |
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| var w = window.innerWidth-25, | |
| h = window.innerHeight-25, | |
| color = d3.scale.category20c(); | |
| w = 2000; | |
| h = 400; | |
| var treemap = d3.layout.treemap() | |
| .padding(0) | |
| .size([w, h]) | |
| .sort(function(a, b) { return a.size - b.size; }) | |
| .value(function(d) { return d.size; }); | |
| // Tool tip implementatoin | |
| var tooltip = d3.select("body") | |
| .append("div") | |
| //.style("position", "absolute") | |
| .style("position", "absolute") | |
| .style("height", "60px") | |
| .style("width", "140px") | |
| .style("background-color", "white") | |
| .style("z-index", "100") | |
| .style("visibility", "hidden") | |
| .text("a simple tooltip"); | |
| // http://stackoverflow.com/questions/288699/get-the-position-of-a-div-span-tag | |
| // dirty hack/fixes for FireFox (code barfed on FF with NaN/NaN) | |
| function getNodePos(el) | |
| { | |
| var body = d3.select('body').node(); | |
| for (var lx = 0, ly = 0; | |
| el != null && el != body; | |
| lx += (el.offsetLeft || el.clientLeft), ly += (el.offsetTop || el.clientTop), el = (el.offsetParent || el.parentNode)) | |
| ; | |
| return {x: lx, y: ly}; | |
| } | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h) | |
| .append("g") | |
| .attr("transform", "translate(-.5,-.5)"); | |
| d3.json("flare.json", function(json) { | |
| var cell = svg.data([json]).selectAll("g") | |
| .data(treemap.nodes(json).filter(function(d) { return !d.children; })) | |
| //.sort(function(a, b) { return a.size - b.size; }) | |
| .enter().append("g") | |
| .attr("class", "cell") | |
| .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; }); | |
| // calculate most of the coordinates for tooltipping just once: | |
| var root = d3.select("svg"); // WARNING: only works when the first SVG in the page is us! | |
| var scr = { x: window.scrollX, y: window.scrollY, w: window.innerWidth, h: window.innerHeight }; | |
| // it's jolly rotten but <body> width/height can be smaller than the SVG it's carrying inside! :-(( | |
| var body_sel = d3.select('body'); | |
| // this is browser-dependent, but screw that for now! | |
| var body = { w: body_sel.node().offsetWidth, h: body_sel.node().offsetHeight }; | |
| var doc = { w: document.width, h: document.height }; | |
| var svgpos = getNodePos(root.node()); | |
| var dist = { x: 10, y: 10 }; | |
| //if node returns null for children, display, else display:none; | |
| cell.append("rect") | |
| .attr("width", function(d) { return d.dx; }) | |
| .attr("height", function(d ) { return d.dy; }) | |
| .style("stroke-width", 2) | |
| .style("stroke", "blue") | |
| .style("fill", function(d) { return d.color}) | |
| //.style("fill-opacity", .5) | |
| .on("mousemove", function(){ | |
| var m = d3.mouse(root.node()); | |
| scr.x = window.scrollX; | |
| scr.y = window.scrollY; | |
| m[0] += svgpos.x; | |
| m[1] += svgpos.y; | |
| tooltip.style("right", ""); | |
| tooltip.style("left", ""); | |
| tooltip.style("bottom", ""); | |
| tooltip.style("top", ""); | |
| console.log('coordinates: doc/body/scr/svgpos/mouse: ', doc, body, scr, svgpos, m); | |
| if (m[0] > scr.x + scr.w / 2) { | |
| tooltip.style("right", (body.w - m[0] + dist.x) + "px"); | |
| } | |
| else { | |
| tooltip.style("left", (m[0] + dist.x) + "px"); | |
| } | |
| if (m[1] > scr.y + scr.h / 2) { | |
| tooltip.style("bottom", (body.h - m[1] + dist.y) + "px"); | |
| } | |
| else { | |
| tooltip.style("top", (m[1] + dist.y) + "px"); | |
| } | |
| tooltip.style("visibility", "visible"); | |
| }) | |
| .on("mouseout", function(){ | |
| tooltip.style("visibility", "hidden"); | |
| }); | |
| /*.on("mouseover", function() { | |
| d3.select(this).style("fill-opacity", .5).style("stroke-width", 4); | |
| //d3.select("rect").attr("visibility", "visible"); | |
| }) | |
| .on("mouseout", function() { | |
| d3.select(this).style("fill",function(d) { return d.color}).style("fill-opacity", 1).style("stroke-width", 2); | |
| //d3.select("text").attr("visibility", "hidden"); | |
| }); | |
| */ | |
| //.style("fill", function(d) { return d.children ? color(d.data.name) : null; }) | |
| cell.append("text") | |
| .attr("x", function(d) { return d.dx /2; }) | |
| .attr("y", function(d ) { return d.dy/2; }) | |
| //.attr("dy", ".35em") | |
| .attr("font-size", 10) | |
| .attr("font-family", "Georgia") | |
| .attr("text-anchor", "middle") | |
| //.attr("visibility", "hidden") | |
| .attr("fill", "white") | |
| // .style("stroke", "white") .style("stroke-width", .5) | |
| //.text("hello"); | |
| .text(function(d) { return d.name; }); | |
| /* | |
| .each(function(d) { | |
| var box, | |
| area = d.dx * d.dy, | |
| w = d.dx, | |
| t = d3.select(this); | |
| do { | |
| t.style("font-size", w-- + "px"); | |
| box = this.getBBox(); | |
| } while (norm2(box.x, box.y) > area | |
| || norm2(box.x + box.width, box.y) > area | |
| || norm2(box.x + box.width, box.y + box.height) > area | |
| || norm2(box.x, box.y + box.height) > area); | |
| }); | |
| */ | |
| }); | |
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Hello! Is there a way to correct this problem?
var root = d3.select("svg"); // WARNING: only works when the first SVG in the page is us!Because in my project I may be adding the SVG in other order than first and that affects the tooltip.