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function Streamgraph($selector, data/*, data2*/) |
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{ |
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/* Constants */ |
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var VMARGIN = 3, |
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YEARSHEIGHT = 20, |
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STARTTIME = new Date(data.from_date), |
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ENDTIME = new Date(data.to_date), |
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DATASTART = new Date(data.from_date), |
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DATAEND = new Date(data.to_date), |
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CURVE = .25, |
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DATEPADDING = 10, |
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COLORS = [ "#51585E", "#12161C", "#457DAD", "#899DAA", "#0781BD" ], |
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QUERYID = data.query_id, |
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SELECTEDCOLOR = "#c51810"; |
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/* Calculating scales and positions */ |
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var width = $selector.width(), |
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height = $selector.height(), |
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transp = _.zip.apply( _, _(data.clusters).pluck("volumes") ), |
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cumulative = _(transp).map(function(column) { |
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var total = 0; |
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return _(column).map(function(point) { |
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return total += point; |
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}); |
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}), |
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sums = _(cumulative).map(function(column) { |
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return _(column).last(); |
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}) |
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maxcol = _(sums).max(), |
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streamheight = height - YEARSHEIGHT, |
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streamwidth = width * (DATAEND - DATASTART) / (ENDTIME - STARTTIME), |
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yscale = (streamheight - 2 * VMARGIN) / maxcol, |
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centery = streamheight / 2, |
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xscale = streamwidth / (transp.length - 1), |
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txscale = width / (ENDTIME - STARTTIME), |
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startx = txscale * (DATASTART - STARTTIME), |
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endx = txscale * (DATAEND - STARTTIME), |
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coords = _(data.clusters).map(function(line, lineindex) { |
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return { |
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points : _(line.volumes).map(function(point, colindex) { |
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var lowercumul = lineindex ? cumulative[colindex][lineindex - 1] : 0, |
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uppercumul = cumulative[colindex][lineindex]; |
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return { |
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data: point, |
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x: startx + xscale * colindex, |
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lowery: centery + yscale * ( ( sums[colindex] / 2 ) - lowercumul ), |
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uppery: centery + yscale * ( ( sums[colindex] / 2 ) - uppercumul ), |
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} |
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}), |
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id : line.id, |
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title: line.title |
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} |
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}), |
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_(coords).each(function(line) { |
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var lowerline = _(line.points).reduce(function(path, point, colindex) { |
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var res = path; |
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if (colindex) { |
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res += "," + (point.x - CURVE * xscale) + "," + point.lowery + "," + point.x + "," + point.lowery; |
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} else { |
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res += "M" + point.x + "," + point.lowery; |
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} |
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if (colindex < line.points.length - 1) { |
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res += "C" + (point.x + CURVE * xscale) + "," + point.lowery; |
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} |
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return res; |
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}, ""); |
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var upperline = _(line.points).reduceRight(function(path, point, colindex) { |
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var res = path; |
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if (colindex < line.points.length - 1) { |
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res += "," + (point.x + CURVE * xscale) + "," + point.uppery + "," + point.x + "," + point.uppery; |
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} else { |
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res += "L" + point.x + "," + point.uppery; |
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} |
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if (colindex) { |
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res += "C" + (point.x - CURVE * xscale) + "," + point.uppery; |
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} |
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return res; |
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}, ""); |
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line.path = lowerline + upperline; |
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}); |
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/* Drawing streamgraph*/ |
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$selector.empty(); |
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var paper = new Raphael($selector[0]); |
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paper.path("M0 " + (1+centery) + "L" + width + " " + (1+centery)).attr({ |
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stroke: "#000" |
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}) |
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_(coords).each(function(line, index) { |
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line.color = COLORS[index % COLORS.length]; |
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//var hue = (parseInt(line.id)%6)/6; |
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//line.color = Raphael.hsl( hue, 1, .8 ); |
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//line.highlightColor = Raphael.hsl( hue, 1, .4 ); |
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line.surface = paper.path(line.path); |
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line.surface.attr({ |
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stroke: "#ffffff", |
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"stroke-width": .25, |
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fill: line.color |
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}); |
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}); |
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/* Drawing years */ |
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paper.path("M0," + (height - YEARSHEIGHT) + "," + width + "," + (height - YEARSHEIGHT)) |
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var lastyear = ENDTIME.getFullYear(); |
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for (var i = STARTTIME.getFullYear(); i <= lastyear; i++) { |
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var x = txscale * (new Date(i,0,1) - STARTTIME); |
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paper.path("M" + x + ",0," + x + "," + height); |
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var x = txscale * (new Date(i,6,1) - STARTTIME); |
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paper.text(x, height - .5 * YEARSHEIGHT, i) |
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.attr({ |
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"text-anchor": "middle", |
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"font-family": "Times New Roman, serif", |
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"font-size": "14px" |
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}); |
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} |
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/* Drawing range window */ |
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var carregauche = paper.rect(width,-1,width,(2+height)), |
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carredroite = paper.rect(-width,-1,width,(2+height)), |
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attrcarres = { |
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fill: "#333333", |
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"fill-opacity": .5, |
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stroke: "#c51810" |
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}; |
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carregauche.attr(attrcarres); |
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carredroite.attr(attrcarres); |
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var rangerect = paper.rect(0, (height - YEARSHEIGHT), width, YEARSHEIGHT); |
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rangerect.attr({ |
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fill: "#c51810", |
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stroke: "none" |
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}); |
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function datetext(date) { |
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var d = new Date(date), |
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m = 1+d.getMonth(), |
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y = d.getFullYear(); |
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return ((m < 10 ? "0" : "") + m + "/" + y); |
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} |
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var startdate = paper.text(DATEPADDING, height - .5 * YEARSHEIGHT, datetext(STARTTIME)); |
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startdate.attr({ |
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fill: "#ffffff", |
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"text-anchor": "start" |
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}); |
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var enddate = paper.text(width - DATEPADDING, height - .5 * YEARSHEIGHT, datetext(ENDTIME)); |
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enddate.attr({ |
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fill: "#ffffff", |
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"text-anchor": "end" |
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}); |
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/* Redrawing time slices for rollover effect */ |
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var mem = ''; |
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_(coords).each(function(line, index) { |
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line.mousesurface = paper.path(line.path); |
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mem += '<li><a href="http://localhost:8000/'+QUERYID+'/'+line.id+'/0/12/0" title="Afficher le cluster" data-cluster-id="' + line.id + '">' + line.title + '</a></li>'; |
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line.mousesurface.attr({ |
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stroke: "none", |
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fill: line.color, |
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opacity: .01, |
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title: line.title, |
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href: "http://localhost:8000/"+QUERYID+"/"+line.id+"/0/12/0" |
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}).mouseover(function() { |
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//alert('mousse select'); |
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$("body").trigger("select-cluster", line.id); |
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}).mouseout(function() { |
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//alert('mousse unselect'); |
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$("body").trigger("unselect-cluster", line.id); |
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}); |
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// $(line.mousesurface.node).attr("data-cluster-id", line.id).parent().attr("data-cluster-id", line.id); |
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}); |
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$(".cluster").html(mem) ; |
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/* if (typeof (data2) != 'undefined') |
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{ |
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// alert('dat2not null'); |
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var line = _(coords).find(function(line) |
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{ |
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return line.id == 1; |
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}); |
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//alert(line.id); |
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if (line) |
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{ |
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alert(line.id); |
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line.surface.attr({ fill: SELECTEDCOLOR }); |
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} |
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} |
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else |
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{ |
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alert('dat2 null'); |
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}*/ |
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$(".actu, .cluster a, .article").hover |
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( |
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function() { |
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$("body").trigger("select-cluster", $(this).attr("data-cluster-id")); |
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}, |
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function() { |
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$("body").trigger("unselect-cluster", $(this).attr("data-cluster-id")); |
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} |
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) |
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$("body").on("unselect-cluster", function(e, clusterid) { |
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$(".actu[data-cluster-id='" + clusterid + "'], .cluster a[data-cluster-id='" + clusterid + "'], .article[data-cluster-id='" + clusterid + "']").removeClass("selected"); |
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var line = _(coords).find(function(line) { |
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return line.id == clusterid; |
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}); |
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if (line) { |
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line.surface.attr({ |
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fill: line.color |
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}); |
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} |
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}); |
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$("body").on("select-cluster", function(e, clusterid) { |
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$(".actu[data-cluster-id='" + clusterid + "'], .cluster a[data-cluster-id='" + clusterid + "'], .article[data-cluster-id='" + clusterid + "']").addClass("selected"); |
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var line = _(coords).find(function(line) { |
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return line.id == clusterid; |
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}); |
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if (line) { |
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line.surface.attr({ |
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fill: SELECTEDCOLOR //line.highlightColor |
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}); |
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} |
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}); |
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/*$("body").on("select-cluster", function(e, clusterid) |
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{ |
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$(".actu[data-cluster-id='" + clusterid + "'], .cluster a[data-cluster-id='" + clusterid + "'], .article[data-cluster-id='" + clusterid + "']").addClass("selected"); |
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}); |
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$("body").on("unselect-cluster", function(e, clusterid) { |
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$(".actu[data-cluster-id='" + clusterid + "'], .cluster a[data-cluster-id='" + clusterid + "'], .article[data-cluster-id='" + clusterid + "']").removeClass("selected"); |
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});*/ |
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/* Returning a handler for slide value change */ |
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this.slidevalues = function(left, right) { |
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left = left || 0; |
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right = right || width; |
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carregauche.attr({x: left - width}); |
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carredroite.attr({x: right}); |
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startdate.attr({ |
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x: DATEPADDING + left, |
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text: datetext(STARTTIME.valueOf() + left / txscale) |
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}); |
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enddate.attr({ |
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x: right - DATEPADDING, |
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text: datetext(STARTTIME.valueOf() + right / txscale) |
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}); |
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rangerect.attr({ |
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x: left, |
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width: right - left |
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}); |
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} |
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$("#slider-range").dragslider("values", [startx, endx]); |
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this.slidevalues(startx, endx); |
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} |
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function loadStreamgraph(data/*,data2*/) { |
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$(".streamgraph").empty(); |
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delete window.streamgraph; |
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//$.getJSON(url, function(data) { |
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window.streamgraph = new Streamgraph($(".streamgraph"), data/*,data2*/); |
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streamgraph.slidevalues.apply(streamgraph,$("#slider-range").dragslider("values")); |
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//}); |
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} |
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/*$(function() { |
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loadStreamgraph("data/json_streamgraph.json"); |
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})*/ |