diff -r 343b9fbc9da1 -r de926fe6c241 alcatel/static/js/streamgraph.js.old --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/alcatel/static/js/streamgraph.js.old Wed Aug 14 16:42:24 2013 +0200 @@ -0,0 +1,205 @@ +function Streamgraph($selector) { + + /* Constants */ + + var VMARGIN = 3, + YEARSHEIGHT = 20, + STARTTIME = new Date(2007,6,1), + ENDTIME = new Date(), + CURVE = .25, + DATEPADDING = 10, + COLORS = [ "#943a23", "#fbee97", "#cfbb95", "#da9761", "#ba5036" ], + SELECTEDCOLOR = "#c51810"; + + /* Generating random data */ + + var data = [], + clustercount = 12, + slicecount = 20, + maxdata = 10, + randpart = 4, + dampfactor = .333; + for (var i = 0; i < clustercount; i++) { + var line = [], + peaktime = Math.floor(Math.random() * slicecount); + for (var j = 0; j < slicecount; j++) { + var point = Math.min(maxdata, Math.max(0, (Math.random() - .5) * randpart + Math.max(0, maxdata * (1 - dampfactor * Math.abs(j - peaktime))))); + line.push(point); + } + data.push(line); + } + + /* Calculating scales and positions */ + + var width = $selector.width(), + height = $selector.height(), + transp = _.zip.apply( _, data ), + cumulative = _(transp).map(function(column) { + var total = 0; + return _(column).map(function(point) { + return total += point; + }); + }), + sums = _(cumulative).map(function(column) { + return _(column).last(); + }) + maxcol = _(sums).max(), + streamheight = height - YEARSHEIGHT, + yscale = (streamheight - 2 * VMARGIN) / maxcol, + centery = streamheight / 2, + xscale = width / (transp.length - 1), + txscale = width / (ENDTIME - STARTTIME), + coords = _(data).map(function(line, lineindex) { + return { + points : _(line).map(function(point, colindex) { + var lowercumul = lineindex ? cumulative[colindex][lineindex - 1] : 0, + uppercumul = cumulative[colindex][lineindex]; + return { + data: point, + x: xscale * colindex, + lowery: centery + yscale * ( ( sums[colindex] / 2 ) - lowercumul ), + uppery: centery + yscale * ( ( sums[colindex] / 2 ) - uppercumul ), + } + }) + } + }), + _(coords).each(function(line) { + var lowerline = _(line.points).reduce(function(path, point, colindex) { + var res = path; + if (colindex) { + res += "," + (point.x - CURVE * xscale) + "," + point.lowery + "," + point.x + "," + point.lowery; + } else { + res += "M" + point.x + "," + point.lowery; + } + if (colindex < line.points.length - 1) { + res += "C" + (point.x + CURVE * xscale) + "," + point.lowery; + } + return res; + }, ""); + var upperline = _(line.points).reduceRight(function(path, point, colindex) { + var res = path; + if (colindex < line.points.length - 1) { + res += "," + (point.x + CURVE * xscale) + "," + point.uppery + "," + point.x + "," + point.uppery; + } else { + res += "L" + point.x + "," + point.uppery; + } + if (colindex) { + res += "C" + (point.x - CURVE * xscale) + "," + point.uppery; + } + return res; + }, ""); + line.path = lowerline + upperline; + }); + + /* Drawing streamgraph*/ + + var paper = new Raphael($selector[0]); + + _(coords).each(function(line, index) { + line.color = COLORS[index % COLORS.length]; + line.surface = paper.path(line.path); + line.surface.attr({ + stroke: "none", + fill: line.color + }); + }); + + /* Drawing years */ + + paper.path("M0," + (height - YEARSHEIGHT) + "," + width + "," + (height - YEARSHEIGHT)) + var lastyear = ENDTIME.getFullYear(); + for (var i = STARTTIME.getFullYear(); i <= lastyear; i++) { + var x = txscale * (new Date(i,0,1) - STARTTIME); + paper.path("M" + x + ",0," + x + "," + height); + var x = txscale * (new Date(i,6,1) - STARTTIME); + paper.text(x, height - .5 * YEARSHEIGHT, i) + .attr({ + "text-anchor": "middle", + "font-family": "Times New Roman, serif", + "font-size": "14px" + }); + } + + /* Drawing range window */ + + var carregauche = paper.rect(width,-1,width,(2+height)), + carredroite = paper.rect(-width,-1,width,(2+height)), + attrcarres = { + fill: "#333333", + "fill-opacity": .5, + stroke: SELECTEDCOLOR + }; + carregauche.attr(attrcarres); + carredroite.attr(attrcarres); + + var rangerect = paper.rect(0, (height - YEARSHEIGHT), width, YEARSHEIGHT); + rangerect.attr({ + fill: SELECTEDCOLOR, + stroke: "none" + }); + + function datetext(date) { + var d = new Date(date), + m = 1+d.getMonth(), + y = d.getFullYear(); + return ((m < 10 ? "0" : "") + m + "/" + y); + } + + var startdate = paper.text(DATEPADDING, height - .5 * YEARSHEIGHT, datetext(STARTTIME)); + startdate.attr({ + fill: "#ffffff", + "text-anchor": "start" + }); + var enddate = paper.text(width - DATEPADDING, height - .5 * YEARSHEIGHT, datetext(ENDTIME)); + enddate.attr({ + fill: "#ffffff", + "text-anchor": "end" + }); + + /* Redrawing time slices for rollover effect */ + + _(coords).each(function(line, index) { + line.mousesurface = paper.path(line.path); + console.log(line.mousesurface); + line.mousesurface.attr({ + stroke: "none", + fill: line.color, + opacity: .01 + }).mouseover(function() { + line.surface.attr({ + fill: SELECTEDCOLOR + }) + }).mouseout(function() { + line.surface.attr({ + fill: line.color + }) + }); + }); + + /* Returning a handler for slide value change */ + + this.slidevalues = function(left, right) { + left = left || 0; + right = right || width; + carregauche.attr({x: left - width}); + carredroite.attr({x: right}); + startdate.attr({ + x: DATEPADDING + left, + text: datetext(STARTTIME.valueOf() + left / txscale) + }); + enddate.attr({ + x: right - DATEPADDING, + text: datetext(STARTTIME.valueOf() + right / txscale) + }); + rangerect.attr({ + x: left, + width: right - left + }); + } + +} + +$(function() { + window.streamgraph = new Streamgraph($(".streamgraph")); + streamgraph.slidevalues.apply(streamgraph,$("#slider-range").dragslider("values")); +})