From 6d6e07b2aac40bec8946638142cbd4bebf459a4f Mon Sep 17 00:00:00 2001 From: Olly Smith Date: Mon, 1 Apr 2013 20:35:27 +0100 Subject: [PATCH] Better automatic y-labelling. --- lib/morris.grid.coffee | 58 ++++++++++-------- morris.js | 74 +++++++++++++++-------- morris.min.js | 2 +- spec/lib/grid/auto_grid_lines_spec.coffee | 25 ++++++++ spec/lib/grid/interval_spec.coffee | 42 ------------- spec/lib/grid/set_data_spec.coffee | 9 +++ 6 files changed, 117 insertions(+), 93 deletions(-) create mode 100644 spec/lib/grid/auto_grid_lines_spec.coffee delete mode 100644 spec/lib/grid/interval_spec.coffee diff --git a/lib/morris.grid.coffee b/lib/morris.grid.coffee index 861e466..a8fd339 100644 --- a/lib/morris.grid.coffee +++ b/lib/morris.grid.coffee @@ -161,31 +161,14 @@ class Morris.Grid extends Morris.EventEmitter @ymax += 1 if @options.axes is true or @options.grid is true - # calculate grid placement - span = @ymax - @ymin - ymag = Math.floor(Math.log(span) / Math.log(10)) - unit = Math.pow(10, ymag) - - # calculate initial grid min and max values - gmin = Math.round(@ymin / unit) * unit - gmax = Math.round(@ymax / unit) * unit - step = (gmax - gmin) / (@options.numLines - 1) - - # ensure zero is plotted where the range includes zero - if gmin < 0 and gmax > 0 - gmin = Math.round(@ymin / step) * step - gmax = Math.round(@ymax / step) * step - - # special case for decimal numbers - if step < 1 - smag = Math.floor(Math.log(step) / Math.log(10)) - @grid = for y in [gmin..gmax] by step - parseFloat(y.toFixed(1 - smag)) + if @options.ymax == @defaults.ymax and @options.ymin == @defaults.ymin + # calculate 'magic' grid placement + @grid = @autoGridLines(@ymin, @ymax, @options.numLines) + @ymin = Math.min(@ymin, @grid[0]) + @ymax = Math.max(@ymax, @grid[@grid.length - 1]) else - @grid = (y for y in [gmin..gmax] by step) - - @ymin = gmin - @ymax = gmax + step = (@ymax - @ymin) / (@options.numLines - 1) + @grid = (y for y in [@ymin..@ymax] by step) @dirty = true @redraw() if redraw @@ -205,6 +188,33 @@ class Morris.Grid extends Morris.EventEmitter else boundaryOption + autoGridLines: (ymin, ymax, nlines) -> + span = ymax - ymin + ymag = Math.floor(Math.log(span) / Math.log(10)) + unit = Math.pow(10, ymag) + + # calculate initial grid min and max values + gmin = Math.floor(ymin / unit) * unit + gmax = Math.ceil(ymax / unit) * unit + step = (gmax - gmin) / (nlines - 1) + if unit == 1 and step > 1 and Math.ceil(step) != step + step = Math.ceil(step) + gmax = gmin + step * (nlines - 1) + + # ensure zero is plotted where the range includes zero + if gmin < 0 and gmax > 0 + gmin = Math.floor(ymin / step) * step + gmax = Math.ceil(ymax / step) * step + + # special case for decimal numbers + if step < 1 + smag = Math.floor(Math.log(step) / Math.log(10)) + grid = for y in [gmin..gmax] by step + parseFloat(y.toFixed(1 - smag)) + else + grid = (y for y in [gmin..gmax] by step) + grid + _calc: -> w = @el.width() h = @el.height() diff --git a/morris.js b/morris.js index 3c10ed8..5c6e7bf 100644 --- a/morris.js +++ b/morris.js @@ -138,7 +138,7 @@ }; Grid.prototype.setData = function(data, redraw) { - var e, gmax, gmin, idx, index, maxGoal, minGoal, ret, row, smag, span, step, total, unit, y, ykey, ymag, ymax, ymin, yval; + var e, idx, index, maxGoal, minGoal, ret, row, step, total, y, ykey, ymax, ymin, yval; if (redraw == null) { redraw = true; } @@ -248,38 +248,21 @@ this.ymax += 1; } if (this.options.axes === true || this.options.grid === true) { - span = this.ymax - this.ymin; - ymag = Math.floor(Math.log(span) / Math.log(10)); - unit = Math.pow(10, ymag); - gmin = Math.round(this.ymin / unit) * unit; - gmax = Math.round(this.ymax / unit) * unit; - step = (gmax - gmin) / (this.options.numLines - 1); - if (gmin < 0 && gmax > 0) { - gmin = Math.round(this.ymin / step) * step; - gmax = Math.round(this.ymax / step) * step; - } - if (step < 1) { - smag = Math.floor(Math.log(step) / Math.log(10)); - this.grid = (function() { - var _i, _results; - _results = []; - for (y = _i = gmin; gmin <= gmax ? _i <= gmax : _i >= gmax; y = _i += step) { - _results.push(parseFloat(y.toFixed(1 - smag))); - } - return _results; - })(); + if (this.options.ymax === this.defaults.ymax && this.options.ymin === this.defaults.ymin) { + this.grid = this.autoGridLines(this.ymin, this.ymax, this.options.numLines); + this.ymin = Math.min(this.ymin, this.grid[0]); + this.ymax = Math.max(this.ymax, this.grid[this.grid.length - 1]); } else { + step = (this.ymax - this.ymin) / (this.options.numLines - 1); this.grid = (function() { - var _i, _results; + var _i, _ref, _ref1, _results; _results = []; - for (y = _i = gmin; gmin <= gmax ? _i <= gmax : _i >= gmax; y = _i += step) { + for (y = _i = _ref = this.ymin, _ref1 = this.ymax; _ref <= _ref1 ? _i <= _ref1 : _i >= _ref1; y = _i += step) { _results.push(y); } return _results; - })(); + }).call(this); } - this.ymin = gmin; - this.ymax = gmax; } this.dirty = true; if (redraw) { @@ -313,6 +296,45 @@ } }; + Grid.prototype.autoGridLines = function(ymin, ymax, nlines) { + var gmax, gmin, grid, smag, span, step, unit, y, ymag; + span = ymax - ymin; + ymag = Math.floor(Math.log(span) / Math.log(10)); + unit = Math.pow(10, ymag); + gmin = Math.floor(ymin / unit) * unit; + gmax = Math.ceil(ymax / unit) * unit; + step = (gmax - gmin) / (nlines - 1); + if (unit === 1 && step > 1 && Math.ceil(step) !== step) { + step = Math.ceil(step); + gmax = gmin + step * (nlines - 1); + } + if (gmin < 0 && gmax > 0) { + gmin = Math.floor(ymin / step) * step; + gmax = Math.ceil(ymax / step) * step; + } + if (step < 1) { + smag = Math.floor(Math.log(step) / Math.log(10)); + grid = (function() { + var _i, _results; + _results = []; + for (y = _i = gmin; gmin <= gmax ? _i <= gmax : _i >= gmax; y = _i += step) { + _results.push(parseFloat(y.toFixed(1 - smag))); + } + return _results; + })(); + } else { + grid = (function() { + var _i, _results; + _results = []; + for (y = _i = gmin; gmin <= gmax ? _i <= gmax : _i >= gmax; y = _i += step) { + _results.push(y); + } + return _results; + })(); + } + return grid; + }; + Grid.prototype._calc = function() { var h, maxYLabelWidth, w; w = this.el.width(); diff --git a/morris.min.js b/morris.min.js index a12e384..6fc2dd0 100644 --- a/morris.min.js +++ b/morris.min.js @@ -1 +1 @@ -(function(){var e,t,n,r,i=[].slice,s={}.hasOwnProperty,o=function(e,t){function r(){this.constructor=e}for(var n in t)s.call(t,n)&&(e[n]=t[n]);return r.prototype=t.prototype,e.prototype=new r,e.__super__=t.prototype,e},u=function(e,t){return function(){return e.apply(t,arguments)}},a=[].indexOf||function(e){for(var t=0,n=this.length;tn.length&&(r+=i.slice(n.length)),r):"-"},t.pad2=function(e){return(e<10?"0":"")+e},t.Grid=function(n){function r(t){var n=this;typeof t.element=="string"?this.el=e(document.getElementById(t.element)):this.el=e(t.element);if(this.el==null||this.el.length===0)throw new Error("Graph container element not found");this.el.css("position")==="static"&&this.el.css("position","relative"),this.options=e.extend({},this.gridDefaults,this.defaults||{},t),typeof this.options.units=="string"&&(this.options.postUnits=t.units),this.raphael=new Raphael(this.el[0]),this.elementWidth=null,this.elementHeight=null,this.dirty=!1,this.init&&this.init(),this.setData(this.options.data),this.el.bind("mousemove",function(e){var t;return t=n.el.offset(),n.fire("hovermove",e.pageX-t.left,e.pageY-t.top)}),this.el.bind("mouseout",function(e){return n.fire("hoverout")}),this.el.bind("touchstart touchmove touchend",function(e){var t,r;return r=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0],t=n.el.offset(),n.fire("hover",r.pageX-t.left,r.pageY-t.top),r}),this.postInit&&this.postInit()}return o(r,n),r.prototype.gridDefaults={dateFormat:null,axes:!0,grid:!0,gridLineColor:"#aaa",gridStrokeWidth:.5,gridTextColor:"#888",gridTextSize:12,hideHover:!1,yLabelFormat:null,numLines:5,padding:25,parseTime:!0,postUnits:"",preUnits:"",ymax:"auto",ymin:"auto 0",goals:[],goalStrokeWidth:1,goalLineColors:["#666633","#999966","#cc6666","#663333"],events:[],eventStrokeWidth:1,eventLineColors:["#005a04","#ccffbb","#3a5f0b","#005502"]},r.prototype.setData=function(e,n){var r,i,s,o,u,a,f,l,c,h,p,d,v,m,g,y,b,w,E,S;n==null&&(n=!0);if(e==null||e.length===0){this.data=[],this.raphael.clear(),this.hover!=null&&this.hover.hide();return}w=this.cumulative?0:null,E=this.cumulative?0:null,this.options.goals.length>0&&(f=Math.min.apply(null,this.options.goals),a=Math.max.apply(null,this.options.goals),E=E!=null?Math.min(E,f):f,w=w!=null?Math.max(w,a):a),this.data=function(){var n,r,i;i=[];for(u=n=0,r=e.length;nt.x)-(t.x>e.x)})),this.xmin=this.data[0].x,this.xmax=this.data[this.data.length-1].x,this.events=[],this.options.parseTime&&this.options.events.length>0&&(this.events=function(){var e,n,i,s;i=this.options.events,s=[];for(e=0,n=i.length;e0&&(s=Math.round(this.ymin/d)*d,i=Math.round(this.ymax/d)*d),d<1?(h=Math.floor(Math.log(d)/Math.log(10)),this.grid=function(){var e,t;t=[];for(g=e=s;s<=i?e<=i:e>=i;g=e+=d)t.push(parseFloat(g.toFixed(1-h)));return t}()):this.grid=function(){var e,t;t=[];for(g=e=s;s<=i?e<=i:e>=i;g=e+=d)t.push(g);return t}(),this.ymin=s,this.ymax=i;this.dirty=!0;if(n)return this.redraw()},r.prototype.yboundary=function(e,t){var n,r;return n=this.options["y"+e],typeof n=="string"?n.slice(0,4)==="auto"?n.length>5?(r=parseInt(n.slice(5),10),t==null?r:Math[e](t,r)):t!=null?t:0:parseInt(n,10):n},r.prototype._calc=function(){var e,t,n;n=this.el.width(),e=this.el.height();if(this.elementWidth!==n||this.elementHeight!==e||this.dirty){this.elementWidth=n,this.elementHeight=e,this.dirty=!1,this.left=this.options.padding,this.right=this.elementWidth-this.options.padding,this.top=this.options.padding,this.bottom=this.elementHeight-this.options.padding,this.options.axes&&(t=Math.max(this.measureText(this.yAxisFormat(this.ymin),this.options.gridTextSize).width,this.measureText(this.yAxisFormat(this.ymax),this.options.gridTextSize).width),this.left+=t,this.bottom-=1.5*this.options.gridTextSize),this.width=Math.max(1,this.right-this.left),this.height=Math.max(1,this.bottom-this.top),this.dx=this.width/(this.xmax-this.xmin),this.dy=this.height/(this.ymax-this.ymin);if(this.calc)return this.calc()}},r.prototype.transY=function(e){return this.bottom-(e-this.ymin)*this.dy},r.prototype.transX=function(e){return this.data.length===1?(this.left+this.right)/2:this.left+(e-this.xmin)*this.dx},r.prototype.redraw=function(){this.raphael.clear(),this._calc(),this.drawGrid(),this.drawGoals(),this.drawEvents();if(this.draw)return this.draw()},r.prototype.measureText=function(e,t){var n,r;return t==null&&(t=12),r=this.raphael.text(100,100,e).attr("font-size",t),n=r.getBBox(),r.remove(),n},r.prototype.yAxisFormat=function(e){return this.yLabelFormat(e)},r.prototype.yLabelFormat=function(e){return typeof this.options.yLabelFormat=="function"?this.options.yLabelFormat(e):""+this.options.preUnits+t.commas(e)+this.options.postUnits},r.prototype.updateHover=function(e,t){var n,r;n=this.hitTest(e,t);if(n!=null)return(r=this.hover).update.apply(r,n)},r.prototype.drawGrid=function(){var e,t,n,r,i,s;if(this.options.grid===!1&&this.options.axes===!1)return;i=this.grid,s=[];for(n=0,r=i.length;n"),this.el.hide(),this.options.parent.append(this.el)}return n.defaults={"class":"morris-hover morris-default-style"},n.prototype.update=function(e,t,n){return this.html(e),this.show(),this.moveTo(t,n)},n.prototype.html=function(e){return this.el.html(e)},n.prototype.moveTo=function(e,t){var n,r,i,s,o,u;return o=this.options.parent.innerWidth(),s=this.options.parent.innerHeight(),r=this.el.outerWidth(),n=this.el.outerHeight(),i=Math.min(Math.max(0,e-r/2),o-r),t!=null?(u=t-n-10,u<0&&(u=t+10,u+n>s&&(u=s/2-n/2))):u=s/2-n/2,this.el.css({left:i+"px",top:u+"px"})},n.prototype.show=function(){return this.el.show()},n.prototype.hide=function(){return this.el.hide()},n}(),t.Line=function(e){function n(e){this.hilight=u(this.hilight,this),this.onHoverOut=u(this.onHoverOut,this),this.onHoverMove=u(this.onHoverMove,this);if(!(this instanceof t.Line))return new t.Line(e);n.__super__.constructor.call(this,e)}return o(n,e),n.prototype.init=function(){this.pointGrow=Raphael.animation({r:this.options.pointSize+3},25,"linear"),this.pointShrink=Raphael.animation({r:this.options.pointSize},25,"linear");if(this.options.hideHover!=="always")return this.hover=new t.Hover({parent:this.el}),this.on("hovermove",this.onHoverMove),this.on("hoverout",this.onHoverOut)},n.prototype.defaults={lineWidth:3,pointSize:4,lineColors:["#0b62a4","#7A92A3","#4da74d","#afd8f8","#edc240","#cb4b4b","#9440ed"],pointWidths:[1],pointStrokeColors:["#ffffff"],pointFillColors:[],smooth:!0,xLabels:"auto",xLabelFormat:null,xLabelMargin:50,continuousLine:!0,hideHover:!1},n.prototype.calc=function(){return this.calcPoints(),this.generatePaths()},n.prototype.calcPoints=function(){var e,t,n,r,i,s;i=this.data,s=[];for(n=0,r=i.length;n"+r.label+"",u=r.y;for(n=s=0,o=u.length;s\n "+this.options.labels[n]+":\n "+this.yLabelFormat(i)+"\n"}return[t,r._x,r._ymax]},n.prototype.generatePaths=function(){var e,n,r,i,s;return this.paths=function(){var o,u,f,l;l=[];for(r=o=0,u=this.options.ykeys.length;0<=u?ou;r=0<=u?++o:--o)s=this.options.smooth===!0||(f=this.options.ykeys[r],a.call(this.options.smooth,f)>=0),n=function(){var e,t,n,s;n=this.data,s=[];for(e=0,t=n.length;e1?l.push(t.Line.createPath(n,s,this.bottom)):l.push(null);return l}.call(this)},n.prototype.draw=function(){this.options.axes&&this.drawXAxis(),this.drawSeries();if(this.options.hideHover===!1)return this.displayHoverForRow(this.data.length-1)},n.prototype.drawXAxis=function(){var e,n,r,i,s,o,u,a,f,l=this;o=this.bottom+this.options.gridTextSize*1.25,i=null,e=function(e,t){var n,r;return n=l.drawXAxisLabel(l.transX(t),o,e),r=n.getBBox(),(i==null||i>=r.x+r.width)&&r.x>=0&&r.x+r.width=0;t=o<=0?++i:--i)n=this.paths[t],n!==null&&this.drawLinePath(n,this.colorFor(r,t,"line"));this.seriesPoints=function(){var e,n,r;r=[];for(t=e=0,n=this.options.ykeys.length;0<=n?en;t=0<=n?++e:--e)r.push([]);return r}.call(this),a=[];for(t=s=u=this.options.ykeys.length-1;u<=0?s<=0:s>=0;t=u<=0?++s:--s)a.push(function(){var n,i,s,o;s=this.data,o=[];for(n=0,i=s.length;n=i;t=0<=i?++n:--n)this.seriesPoints[t][this.prevHilight]&&this.seriesPoints[t][this.prevHilight].animate(this.pointShrink);if(e!==null&&this.prevHilight!==e)for(t=r=0,s=this.seriesPoints.length-1;0<=s?r<=s:r>=s;t=0<=s?++r:--r)this.seriesPoints[t][e]&&this.seriesPoints[t][e].animate(this.pointGrow);return this.prevHilight=e},n.prototype.colorFor=function(e,t,n){return typeof this.options.lineColors=="function"?this.options.lineColors.call(this,e,t,n):n==="point"?this.options.pointFillColors[t%this.options.pointFillColors.length]||this.options.lineColors[t%this.options.lineColors.length]:this.options.lineColors[t%this.options.lineColors.length]},n.prototype.drawXAxisLabel=function(e,t,n){return this.raphael.text(e,t,n).attr("font-size",this.options.gridTextSize).attr("fill",this.options.gridTextColor)},n.prototype.drawLinePath=function(e,t){return this.raphael.path(e).attr("stroke",t).attr("stroke-width",this.options.lineWidth)},n.prototype.drawLinePoint=function(e,t,n,r,i){return this.raphael.circle(e,t,n).attr("fill",r).attr("stroke-width",this.strokeWidthForSeries(i)).attr("stroke",this.strokeForSeries(i))},n.prototype.strokeWidthForSeries=function(e){return this.options.pointWidths[e%this.options.pointWidths.length]},n.prototype.strokeForSeries=function(e){return this.options.pointStrokeColors[e%this.options.pointStrokeColors.length]},n}(t.Grid),t.labelSeries=function(n,r,i,s,o){var u,a,f,l,c,h,p,d,v,m,g;f=200*(r-n)/i,a=new Date(n),p=t.LABEL_SPECS[s];if(p===void 0){g=t.AUTO_LABEL_ORDER;for(v=0,m=g.length;v=h.span){p=h;break}}}p===void 0&&(p=t.LABEL_SPECS.second),o&&(p=e.extend({},p,{fmt:o})),u=p.start(a),c=[];while((d=u.getTime())<=r)d>=n&&c.push([p.fmt(u),d]),p.incr(u);return c},n=function(e){return{span:e*60*1e3,start:function(e){return new Date(e.getFullYear(),e.getMonth(),e.getDate(),e.getHours())},fmt:function(e){return""+t.pad2(e.getHours())+":"+t.pad2(e.getMinutes())},incr:function(t){return t.setUTCMinutes(t.getUTCMinutes()+e)}}},r=function(e){return{span:e*1e3,start:function(e){return new Date(e.getFullYear(),e.getMonth(),e.getDate(),e.getHours(),e.getMinutes())},fmt:function(e){return""+t.pad2(e.getHours())+":"+t.pad2(e.getMinutes())+":"+t.pad2(e.getSeconds())},incr:function(t){return t.setUTCSeconds(t.getUTCSeconds()+e)}}},t.LABEL_SPECS={decade:{span:1728e8,start:function(e){return new Date(e.getFullYear()-e.getFullYear()%10,0,1)},fmt:function(e){return""+e.getFullYear()},incr:function(e){return e.setFullYear(e.getFullYear()+10)}},year:{span:1728e7,start:function(e){return new Date(e.getFullYear(),0,1)},fmt:function(e){return""+e.getFullYear()},incr:function(e){return e.setFullYear(e.getFullYear()+1)}},month:{span:24192e5,start:function(e){return new Date(e.getFullYear(),e.getMonth(),1)},fmt:function(e){return""+e.getFullYear()+"-"+t.pad2(e.getMonth()+1)},incr:function(e){return e.setMonth(e.getMonth()+1)}},day:{span:864e5,start:function(e){return new Date(e.getFullYear(),e.getMonth(),e.getDate())},fmt:function(e){return""+e.getFullYear()+"-"+t.pad2(e.getMonth()+1)+"-"+t.pad2(e.getDate())},incr:function(e){return e.setDate(e.getDate()+1)}},hour:n(60),"30min":n(30),"15min":n(15),"10min":n(10),"5min":n(5),minute:n(1),"30sec":r(30),"15sec":r(15),"10sec":r(10),"5sec":r(5),second:r(1)},t.AUTO_LABEL_ORDER=["decade","year","month","day","hour","30min","15min","10min","5min","minute","30sec","15sec","10sec","5sec","second"],t.Area=function(e){function n(e){if(!(this instanceof t.Area))return new t.Area(e);this.cumulative=!0,n.__super__.constructor.call(this,e)}return o(n,e),n.prototype.calcPoints=function(){var e,t,n,r,i,s,o;s=this.data,o=[];for(r=0,i=s.length;r=0;e=i<=0?++r:--r)t=this.paths[e],t!==null&&(t+="L"+this.transX(this.xmax)+","+this.bottom+"L"+this.transX(this.xmin)+","+this.bottom+"Z",this.drawFilledPath(t,this.fillForSeries(e)));return n.__super__.drawSeries.call(this)},n.prototype.fillForSeries=function(e){var t;return t=Raphael.rgb2hsl(this.colorFor(this.data[e],e,"line")),Raphael.hsl(t.h,Math.min(255,t.s*.75),Math.min(255,t.l*1.25))},n.prototype.drawFilledPath=function(e,t){return this.raphael.path(e).attr("fill",t).attr("stroke-width",0)},n}(t.Line),t.Bar=function(n){function r(n){this.onHoverOut=u(this.onHoverOut,this),this.onHoverMove=u(this.onHoverMove,this);if(!(this instanceof t.Bar))return new t.Bar(n);r.__super__.constructor.call(this,e.extend({},n,{parseTime:!1}))}return o(r,n),r.prototype.init=function(){this.cumulative=this.options.stacked;if(this.options.hideHover!=="always")return this.hover=new t.Hover({parent:this.el}),this.on("hovermove",this.onHoverMove),this.on("hoverout",this.onHoverOut)},r.prototype.defaults={barSizeRatio:.75,barGap:3,barColors:["#0b62a4","#7a92a3","#4da74d","#afd8f8","#edc240","#cb4b4b","#9440ed"],xLabelMargin:50},r.prototype.calc=function(){var e;this.calcBars();if(this.options.hideHover===!1)return(e=this.hover).update.apply(e,this.hoverContentForRow(this.data.length-1))},r.prototype.calcBars=function(){var e,t,n,r,i,s,o;s=this.data,o=[];for(e=r=0,i=s.length;ru;e=0<=u?++o:--o)i=this.data[this.data.length-1-e],t=this.drawXAxisLabel(i._x,s,i.label),n=t.getBBox(),(r==null||r>=n.x+n.width)&&n.x>=0&&n.x+n.width=0?this.transY(0):null,this.bars=function(){var u,d,v,m;v=this.data,m=[];for(r=u=0,d=v.length;u"+r.label+"",a=r.y;for(n=o=0,u=a.length;o\n "+this.options.labels[n]+":\n "+this.yLabelFormat(s)+"\n"}return i=this.left+(e+.5)*this.width/this.data.length,[t,i]},r.prototype.drawXAxisLabel=function(e,t,n){var r;return r=this.raphael.text(e,t,n).attr("font-size",this.options.gridTextSize).attr("fill",this.options.gridTextColor)},r.prototype.drawBar=function(e,t,n,r,i){return this.raphael.rect(e,t,n,r).attr("fill",i).attr("stroke-width",0)},r}(t.Grid),t.Donut=function(){function n(n){this.select=u(this.select,this);var r;if(!(this instanceof t.Donut))return new t.Donut(n);typeof n.element=="string"?this.el=e(document.getElementById(n.element)):this.el=e(n.element),this.options=e.extend({},this.defaults,n);if(this.el===null||this.el.length===0)throw new Error("Graph placeholder not found.");if(n.data===void 0||n.data.length===0)return;this.data=n.data,this.values=function(){var e,t,n,i;n=this.data,i=[];for(e=0,t=n.length;eMath.PI?1:0,this.path=this.calcSegment(this.inner+3,this.inner+this.outer-5),this.selectedPath=this.calcSegment(this.inner+3,this.inner+this.outer),this.hilight=this.calcArc(this.inner)}return o(t,e),t.prototype.calcArcPoints=function(e){return[this.cx+e*this.sin_p0,this.cy+e*this.cos_p0,this.cx+e*this.sin_p1,this.cy+e*this.cos_p1]},t.prototype.calcSegment=function(e,t){var n,r,i,s,o,u,a,f,l,c;return l=this.calcArcPoints(e),n=l[0],i=l[1],r=l[2],s=l[3],c=this.calcArcPoints(t),o=c[0],a=c[1],u=c[2],f=c[3],"M"+n+","+i+("A"+e+","+e+",0,"+this.is_long+",0,"+r+","+s)+("L"+u+","+f)+("A"+t+","+t+",0,"+this.is_long+",1,"+o+","+a)+"Z"},t.prototype.calcArc=function(e){var t,n,r,i,s;return s=this.calcArcPoints(e),t=s[0],r=s[1],n=s[2],i=s[3],"M"+t+","+r+("A"+e+","+e+",0,"+this.is_long+",0,"+n+","+i)},t.prototype.render=function(){var e=this;return this.arc=this.drawDonutArc(this.hilight,this.color),this.seg=this.drawDonutSegment(this.path,this.color,this.backgroundColor,function(){return e.fire("hover",e.index)})},t.prototype.drawDonutArc=function(e,t){return this.raphael.path(e).attr({stroke:t,"stroke-width":2,opacity:0})},t.prototype.drawDonutSegment=function(e,t,n,r){return this.raphael.path(e).attr({fill:t,stroke:n,"stroke-width":3}).hover(r)},t.prototype.select=function(){if(!this.selected)return this.seg.animate({path:this.selectedPath},150,"<>"),this.arc.animate({opacity:1},150,"<>"),this.selected=!0},t.prototype.deselect=function(){if(this.selected)return this.seg.animate({path:this.path},150,"<>"),this.arc.animate({opacity:0},150,"<>"),this.selected=!1},t}(t.EventEmitter)}).call(this); \ No newline at end of file +(function(){var e,t,n,r,i=[].slice,s={}.hasOwnProperty,o=function(e,t){function r(){this.constructor=e}for(var n in t)s.call(t,n)&&(e[n]=t[n]);return r.prototype=t.prototype,e.prototype=new r,e.__super__=t.prototype,e},u=function(e,t){return function(){return e.apply(t,arguments)}},a=[].indexOf||function(e){for(var t=0,n=this.length;tn.length&&(r+=i.slice(n.length)),r):"-"},t.pad2=function(e){return(e<10?"0":"")+e},t.Grid=function(n){function r(t){var n=this;typeof t.element=="string"?this.el=e(document.getElementById(t.element)):this.el=e(t.element);if(this.el==null||this.el.length===0)throw new Error("Graph container element not found");this.el.css("position")==="static"&&this.el.css("position","relative"),this.options=e.extend({},this.gridDefaults,this.defaults||{},t),typeof this.options.units=="string"&&(this.options.postUnits=t.units),this.raphael=new Raphael(this.el[0]),this.elementWidth=null,this.elementHeight=null,this.dirty=!1,this.init&&this.init(),this.setData(this.options.data),this.el.bind("mousemove",function(e){var t;return t=n.el.offset(),n.fire("hovermove",e.pageX-t.left,e.pageY-t.top)}),this.el.bind("mouseout",function(e){return n.fire("hoverout")}),this.el.bind("touchstart touchmove touchend",function(e){var t,r;return r=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0],t=n.el.offset(),n.fire("hover",r.pageX-t.left,r.pageY-t.top),r}),this.postInit&&this.postInit()}return o(r,n),r.prototype.gridDefaults={dateFormat:null,axes:!0,grid:!0,gridLineColor:"#aaa",gridStrokeWidth:.5,gridTextColor:"#888",gridTextSize:12,hideHover:!1,yLabelFormat:null,numLines:5,padding:25,parseTime:!0,postUnits:"",preUnits:"",ymax:"auto",ymin:"auto 0",goals:[],goalStrokeWidth:1,goalLineColors:["#666633","#999966","#cc6666","#663333"],events:[],eventStrokeWidth:1,eventLineColors:["#005a04","#ccffbb","#3a5f0b","#005502"]},r.prototype.setData=function(e,n){var r,i,s,o,u,a,f,l,c,h,p,d,v,m;n==null&&(n=!0);if(e==null||e.length===0){this.data=[],this.raphael.clear(),this.hover!=null&&this.hover.hide();return}d=this.cumulative?0:null,v=this.cumulative?0:null,this.options.goals.length>0&&(u=Math.min.apply(null,this.options.goals),o=Math.max.apply(null,this.options.goals),v=v!=null?Math.min(v,u):u,d=d!=null?Math.max(d,o):o),this.data=function(){var n,r,o;o=[];for(s=n=0,r=e.length;nt.x)-(t.x>e.x)})),this.xmin=this.data[0].x,this.xmax=this.data[this.data.length-1].x,this.events=[],this.options.parseTime&&this.options.events.length>0&&(this.events=function(){var e,n,i,s;i=this.options.events,s=[];for(e=0,n=i.length;e=n;h=e+=l)r.push(h);return r}.call(this));this.dirty=!0;if(n)return this.redraw()},r.prototype.yboundary=function(e,t){var n,r;return n=this.options["y"+e],typeof n=="string"?n.slice(0,4)==="auto"?n.length>5?(r=parseInt(n.slice(5),10),t==null?r:Math[e](t,r)):t!=null?t:0:parseInt(n,10):n},r.prototype.autoGridLines=function(e,t,n){var r,i,s,o,u,a,f,l,c;return u=t-e,c=Math.floor(Math.log(u)/Math.log(10)),f=Math.pow(10,c),i=Math.floor(e/f)*f,r=Math.ceil(t/f)*f,a=(r-i)/(n-1),f===1&&a>1&&Math.ceil(a)!==a&&(a=Math.ceil(a),r=i+a*(n-1)),i<0&&r>0&&(i=Math.floor(e/a)*a,r=Math.ceil(t/a)*a),a<1?(o=Math.floor(Math.log(a)/Math.log(10)),s=function(){var e,t;t=[];for(l=e=i;i<=r?e<=r:e>=r;l=e+=a)t.push(parseFloat(l.toFixed(1-o)));return t}()):s=function(){var e,t;t=[];for(l=e=i;i<=r?e<=r:e>=r;l=e+=a)t.push(l);return t}(),s},r.prototype._calc=function(){var e,t,n;n=this.el.width(),e=this.el.height();if(this.elementWidth!==n||this.elementHeight!==e||this.dirty){this.elementWidth=n,this.elementHeight=e,this.dirty=!1,this.left=this.options.padding,this.right=this.elementWidth-this.options.padding,this.top=this.options.padding,this.bottom=this.elementHeight-this.options.padding,this.options.axes&&(t=Math.max(this.measureText(this.yAxisFormat(this.ymin),this.options.gridTextSize).width,this.measureText(this.yAxisFormat(this.ymax),this.options.gridTextSize).width),this.left+=t,this.bottom-=1.5*this.options.gridTextSize),this.width=Math.max(1,this.right-this.left),this.height=Math.max(1,this.bottom-this.top),this.dx=this.width/(this.xmax-this.xmin),this.dy=this.height/(this.ymax-this.ymin);if(this.calc)return this.calc()}},r.prototype.transY=function(e){return this.bottom-(e-this.ymin)*this.dy},r.prototype.transX=function(e){return this.data.length===1?(this.left+this.right)/2:this.left+(e-this.xmin)*this.dx},r.prototype.redraw=function(){this.raphael.clear(),this._calc(),this.drawGrid(),this.drawGoals(),this.drawEvents();if(this.draw)return this.draw()},r.prototype.measureText=function(e,t){var n,r;return t==null&&(t=12),r=this.raphael.text(100,100,e).attr("font-size",t),n=r.getBBox(),r.remove(),n},r.prototype.yAxisFormat=function(e){return this.yLabelFormat(e)},r.prototype.yLabelFormat=function(e){return typeof this.options.yLabelFormat=="function"?this.options.yLabelFormat(e):""+this.options.preUnits+t.commas(e)+this.options.postUnits},r.prototype.updateHover=function(e,t){var n,r;n=this.hitTest(e,t);if(n!=null)return(r=this.hover).update.apply(r,n)},r.prototype.drawGrid=function(){var e,t,n,r,i,s;if(this.options.grid===!1&&this.options.axes===!1)return;i=this.grid,s=[];for(n=0,r=i.length;n"),this.el.hide(),this.options.parent.append(this.el)}return n.defaults={"class":"morris-hover morris-default-style"},n.prototype.update=function(e,t,n){return this.html(e),this.show(),this.moveTo(t,n)},n.prototype.html=function(e){return this.el.html(e)},n.prototype.moveTo=function(e,t){var n,r,i,s,o,u;return o=this.options.parent.innerWidth(),s=this.options.parent.innerHeight(),r=this.el.outerWidth(),n=this.el.outerHeight(),i=Math.min(Math.max(0,e-r/2),o-r),t!=null?(u=t-n-10,u<0&&(u=t+10,u+n>s&&(u=s/2-n/2))):u=s/2-n/2,this.el.css({left:i+"px",top:u+"px"})},n.prototype.show=function(){return this.el.show()},n.prototype.hide=function(){return this.el.hide()},n}(),t.Line=function(e){function n(e){this.hilight=u(this.hilight,this),this.onHoverOut=u(this.onHoverOut,this),this.onHoverMove=u(this.onHoverMove,this);if(!(this instanceof t.Line))return new t.Line(e);n.__super__.constructor.call(this,e)}return o(n,e),n.prototype.init=function(){this.pointGrow=Raphael.animation({r:this.options.pointSize+3},25,"linear"),this.pointShrink=Raphael.animation({r:this.options.pointSize},25,"linear");if(this.options.hideHover!=="always")return this.hover=new t.Hover({parent:this.el}),this.on("hovermove",this.onHoverMove),this.on("hoverout",this.onHoverOut)},n.prototype.defaults={lineWidth:3,pointSize:4,lineColors:["#0b62a4","#7A92A3","#4da74d","#afd8f8","#edc240","#cb4b4b","#9440ed"],pointWidths:[1],pointStrokeColors:["#ffffff"],pointFillColors:[],smooth:!0,xLabels:"auto",xLabelFormat:null,xLabelMargin:50,continuousLine:!0,hideHover:!1},n.prototype.calc=function(){return this.calcPoints(),this.generatePaths()},n.prototype.calcPoints=function(){var e,t,n,r,i,s;i=this.data,s=[];for(n=0,r=i.length;n"+r.label+"",u=r.y;for(n=s=0,o=u.length;s\n "+this.options.labels[n]+":\n "+this.yLabelFormat(i)+"\n"}return[t,r._x,r._ymax]},n.prototype.generatePaths=function(){var e,n,r,i,s;return this.paths=function(){var o,u,f,l;l=[];for(r=o=0,u=this.options.ykeys.length;0<=u?ou;r=0<=u?++o:--o)s=this.options.smooth===!0||(f=this.options.ykeys[r],a.call(this.options.smooth,f)>=0),n=function(){var e,t,n,s;n=this.data,s=[];for(e=0,t=n.length;e1?l.push(t.Line.createPath(n,s,this.bottom)):l.push(null);return l}.call(this)},n.prototype.draw=function(){this.options.axes&&this.drawXAxis(),this.drawSeries();if(this.options.hideHover===!1)return this.displayHoverForRow(this.data.length-1)},n.prototype.drawXAxis=function(){var e,n,r,i,s,o,u,a,f,l=this;o=this.bottom+this.options.gridTextSize*1.25,i=null,e=function(e,t){var n,r;return n=l.drawXAxisLabel(l.transX(t),o,e),r=n.getBBox(),(i==null||i>=r.x+r.width)&&r.x>=0&&r.x+r.width=0;t=o<=0?++i:--i)n=this.paths[t],n!==null&&this.drawLinePath(n,this.colorFor(r,t,"line"));this.seriesPoints=function(){var e,n,r;r=[];for(t=e=0,n=this.options.ykeys.length;0<=n?en;t=0<=n?++e:--e)r.push([]);return r}.call(this),a=[];for(t=s=u=this.options.ykeys.length-1;u<=0?s<=0:s>=0;t=u<=0?++s:--s)a.push(function(){var n,i,s,o;s=this.data,o=[];for(n=0,i=s.length;n=i;t=0<=i?++n:--n)this.seriesPoints[t][this.prevHilight]&&this.seriesPoints[t][this.prevHilight].animate(this.pointShrink);if(e!==null&&this.prevHilight!==e)for(t=r=0,s=this.seriesPoints.length-1;0<=s?r<=s:r>=s;t=0<=s?++r:--r)this.seriesPoints[t][e]&&this.seriesPoints[t][e].animate(this.pointGrow);return this.prevHilight=e},n.prototype.colorFor=function(e,t,n){return typeof this.options.lineColors=="function"?this.options.lineColors.call(this,e,t,n):n==="point"?this.options.pointFillColors[t%this.options.pointFillColors.length]||this.options.lineColors[t%this.options.lineColors.length]:this.options.lineColors[t%this.options.lineColors.length]},n.prototype.drawXAxisLabel=function(e,t,n){return this.raphael.text(e,t,n).attr("font-size",this.options.gridTextSize).attr("fill",this.options.gridTextColor)},n.prototype.drawLinePath=function(e,t){return this.raphael.path(e).attr("stroke",t).attr("stroke-width",this.options.lineWidth)},n.prototype.drawLinePoint=function(e,t,n,r,i){return this.raphael.circle(e,t,n).attr("fill",r).attr("stroke-width",this.strokeWidthForSeries(i)).attr("stroke",this.strokeForSeries(i))},n.prototype.strokeWidthForSeries=function(e){return this.options.pointWidths[e%this.options.pointWidths.length]},n.prototype.strokeForSeries=function(e){return this.options.pointStrokeColors[e%this.options.pointStrokeColors.length]},n}(t.Grid),t.labelSeries=function(n,r,i,s,o){var u,a,f,l,c,h,p,d,v,m,g;f=200*(r-n)/i,a=new Date(n),p=t.LABEL_SPECS[s];if(p===void 0){g=t.AUTO_LABEL_ORDER;for(v=0,m=g.length;v=h.span){p=h;break}}}p===void 0&&(p=t.LABEL_SPECS.second),o&&(p=e.extend({},p,{fmt:o})),u=p.start(a),c=[];while((d=u.getTime())<=r)d>=n&&c.push([p.fmt(u),d]),p.incr(u);return c},n=function(e){return{span:e*60*1e3,start:function(e){return new Date(e.getFullYear(),e.getMonth(),e.getDate(),e.getHours())},fmt:function(e){return""+t.pad2(e.getHours())+":"+t.pad2(e.getMinutes())},incr:function(t){return t.setUTCMinutes(t.getUTCMinutes()+e)}}},r=function(e){return{span:e*1e3,start:function(e){return new Date(e.getFullYear(),e.getMonth(),e.getDate(),e.getHours(),e.getMinutes())},fmt:function(e){return""+t.pad2(e.getHours())+":"+t.pad2(e.getMinutes())+":"+t.pad2(e.getSeconds())},incr:function(t){return t.setUTCSeconds(t.getUTCSeconds()+e)}}},t.LABEL_SPECS={decade:{span:1728e8,start:function(e){return new Date(e.getFullYear()-e.getFullYear()%10,0,1)},fmt:function(e){return""+e.getFullYear()},incr:function(e){return e.setFullYear(e.getFullYear()+10)}},year:{span:1728e7,start:function(e){return new Date(e.getFullYear(),0,1)},fmt:function(e){return""+e.getFullYear()},incr:function(e){return e.setFullYear(e.getFullYear()+1)}},month:{span:24192e5,start:function(e){return new Date(e.getFullYear(),e.getMonth(),1)},fmt:function(e){return""+e.getFullYear()+"-"+t.pad2(e.getMonth()+1)},incr:function(e){return e.setMonth(e.getMonth()+1)}},day:{span:864e5,start:function(e){return new Date(e.getFullYear(),e.getMonth(),e.getDate())},fmt:function(e){return""+e.getFullYear()+"-"+t.pad2(e.getMonth()+1)+"-"+t.pad2(e.getDate())},incr:function(e){return e.setDate(e.getDate()+1)}},hour:n(60),"30min":n(30),"15min":n(15),"10min":n(10),"5min":n(5),minute:n(1),"30sec":r(30),"15sec":r(15),"10sec":r(10),"5sec":r(5),second:r(1)},t.AUTO_LABEL_ORDER=["decade","year","month","day","hour","30min","15min","10min","5min","minute","30sec","15sec","10sec","5sec","second"],t.Area=function(e){function n(e){if(!(this instanceof t.Area))return new t.Area(e);this.cumulative=!0,n.__super__.constructor.call(this,e)}return o(n,e),n.prototype.calcPoints=function(){var e,t,n,r,i,s,o;s=this.data,o=[];for(r=0,i=s.length;r=0;e=i<=0?++r:--r)t=this.paths[e],t!==null&&(t+="L"+this.transX(this.xmax)+","+this.bottom+"L"+this.transX(this.xmin)+","+this.bottom+"Z",this.drawFilledPath(t,this.fillForSeries(e)));return n.__super__.drawSeries.call(this)},n.prototype.fillForSeries=function(e){var t;return t=Raphael.rgb2hsl(this.colorFor(this.data[e],e,"line")),Raphael.hsl(t.h,Math.min(255,t.s*.75),Math.min(255,t.l*1.25))},n.prototype.drawFilledPath=function(e,t){return this.raphael.path(e).attr("fill",t).attr("stroke-width",0)},n}(t.Line),t.Bar=function(n){function r(n){this.onHoverOut=u(this.onHoverOut,this),this.onHoverMove=u(this.onHoverMove,this);if(!(this instanceof t.Bar))return new t.Bar(n);r.__super__.constructor.call(this,e.extend({},n,{parseTime:!1}))}return o(r,n),r.prototype.init=function(){this.cumulative=this.options.stacked;if(this.options.hideHover!=="always")return this.hover=new t.Hover({parent:this.el}),this.on("hovermove",this.onHoverMove),this.on("hoverout",this.onHoverOut)},r.prototype.defaults={barSizeRatio:.75,barGap:3,barColors:["#0b62a4","#7a92a3","#4da74d","#afd8f8","#edc240","#cb4b4b","#9440ed"],xLabelMargin:50},r.prototype.calc=function(){var e;this.calcBars();if(this.options.hideHover===!1)return(e=this.hover).update.apply(e,this.hoverContentForRow(this.data.length-1))},r.prototype.calcBars=function(){var e,t,n,r,i,s,o;s=this.data,o=[];for(e=r=0,i=s.length;ru;e=0<=u?++o:--o)i=this.data[this.data.length-1-e],t=this.drawXAxisLabel(i._x,s,i.label),n=t.getBBox(),(r==null||r>=n.x+n.width)&&n.x>=0&&n.x+n.width=0?this.transY(0):null,this.bars=function(){var u,d,v,m;v=this.data,m=[];for(r=u=0,d=v.length;u"+r.label+"",a=r.y;for(n=o=0,u=a.length;o\n "+this.options.labels[n]+":\n "+this.yLabelFormat(s)+"\n"}return i=this.left+(e+.5)*this.width/this.data.length,[t,i]},r.prototype.drawXAxisLabel=function(e,t,n){var r;return r=this.raphael.text(e,t,n).attr("font-size",this.options.gridTextSize).attr("fill",this.options.gridTextColor)},r.prototype.drawBar=function(e,t,n,r,i){return this.raphael.rect(e,t,n,r).attr("fill",i).attr("stroke-width",0)},r}(t.Grid),t.Donut=function(){function n(n){this.select=u(this.select,this);var r;if(!(this instanceof t.Donut))return new t.Donut(n);typeof n.element=="string"?this.el=e(document.getElementById(n.element)):this.el=e(n.element),this.options=e.extend({},this.defaults,n);if(this.el===null||this.el.length===0)throw new Error("Graph placeholder not found.");if(n.data===void 0||n.data.length===0)return;this.data=n.data,this.values=function(){var e,t,n,i;n=this.data,i=[];for(e=0,t=n.length;eMath.PI?1:0,this.path=this.calcSegment(this.inner+3,this.inner+this.outer-5),this.selectedPath=this.calcSegment(this.inner+3,this.inner+this.outer),this.hilight=this.calcArc(this.inner)}return o(t,e),t.prototype.calcArcPoints=function(e){return[this.cx+e*this.sin_p0,this.cy+e*this.cos_p0,this.cx+e*this.sin_p1,this.cy+e*this.cos_p1]},t.prototype.calcSegment=function(e,t){var n,r,i,s,o,u,a,f,l,c;return l=this.calcArcPoints(e),n=l[0],i=l[1],r=l[2],s=l[3],c=this.calcArcPoints(t),o=c[0],a=c[1],u=c[2],f=c[3],"M"+n+","+i+("A"+e+","+e+",0,"+this.is_long+",0,"+r+","+s)+("L"+u+","+f)+("A"+t+","+t+",0,"+this.is_long+",1,"+o+","+a)+"Z"},t.prototype.calcArc=function(e){var t,n,r,i,s;return s=this.calcArcPoints(e),t=s[0],r=s[1],n=s[2],i=s[3],"M"+t+","+r+("A"+e+","+e+",0,"+this.is_long+",0,"+n+","+i)},t.prototype.render=function(){var e=this;return this.arc=this.drawDonutArc(this.hilight,this.color),this.seg=this.drawDonutSegment(this.path,this.color,this.backgroundColor,function(){return e.fire("hover",e.index)})},t.prototype.drawDonutArc=function(e,t){return this.raphael.path(e).attr({stroke:t,"stroke-width":2,opacity:0})},t.prototype.drawDonutSegment=function(e,t,n,r){return this.raphael.path(e).attr({fill:t,stroke:n,"stroke-width":3}).hover(r)},t.prototype.select=function(){if(!this.selected)return this.seg.animate({path:this.selectedPath},150,"<>"),this.arc.animate({opacity:1},150,"<>"),this.selected=!0},t.prototype.deselect=function(){if(this.selected)return this.seg.animate({path:this.path},150,"<>"),this.arc.animate({opacity:0},150,"<>"),this.selected=!1},t}(t.EventEmitter)}).call(this); \ No newline at end of file diff --git a/spec/lib/grid/auto_grid_lines_spec.coffee b/spec/lib/grid/auto_grid_lines_spec.coffee new file mode 100644 index 0000000..2312fe2 --- /dev/null +++ b/spec/lib/grid/auto_grid_lines_spec.coffee @@ -0,0 +1,25 @@ +describe 'Morris.Grid#autoGridLines', -> + + beforeEach -> + @subject = Morris.Grid.prototype.autoGridLines + + it 'should draw at fixed intervals', -> + @subject(0, 4, 5).should.deep.equal [0, 1, 2, 3, 4] + @subject(0, 400, 5).should.deep.equal [0, 100, 200, 300, 400] + + it 'should pick intervals that show significant numbers', -> + @subject(102, 499, 5).should.deep.equal [100, 200, 300, 400, 500] + + it 'should draw zero when it falls within [ymin..ymax]', -> + @subject(-100, 300, 5).should.deep.equal [-100, 0, 100, 200, 300] + @subject(-50, 350, 5).should.deep.equal [-125, 0, 125, 250, 375] + @subject(-400, 400, 5).should.deep.equal [-400, -200, 0, 200, 400] + @subject(100, 500, 5).should.deep.equal [100, 200, 300, 400, 500] + @subject(-500, -100, 5).should.deep.equal [-500, -400, -300, -200, -100] + + it 'should generate decimal labels to 2 significant figures', -> + @subject(0, 1, 5).should.deep.equal [0, 0.25, 0.5, 0.75, 1] + @subject(0.1, 0.5, 5).should.deep.equal [0.1, 0.2, 0.3, 0.4, 0.5] + + it 'should use integer intervals for intervals larger than 1', -> + @subject(0, 9, 5).should.deep.equal [0, 3, 6, 9, 12] diff --git a/spec/lib/grid/interval_spec.coffee b/spec/lib/grid/interval_spec.coffee deleted file mode 100644 index 56ea088..0000000 --- a/spec/lib/grid/interval_spec.coffee +++ /dev/null @@ -1,42 +0,0 @@ -gridLines = (ymin, ymax, nlines = 5) -> - interval = ymax - ymin - omag = Math.floor(Math.log(interval) / Math.log(10)) - unit = Math.pow(10, omag) - - ymin1 = Math.round(ymin / unit) * unit - ymax1 = Math.round(ymax / unit) * unit - step = (ymax1 - ymin1) / (nlines - 1) - - # ensure zero is plotted where the range includes zero - if ymin1 < 0 and ymax1 > 0 - ymin1 = Math.round(ymin / step) * step - ymax1 = Math.round(ymax / step) * step - - # small numbers - if step < 1 - smag = Math.floor(Math.log(step) / Math.log(10)) - (parseFloat(y.toFixed(1 - smag)) for y in [ymin1..ymax1] by step) - else - (y for y in [ymin1..ymax1] by step) - -describe 'Morris.Grid#gridLines', -> - - it 'should draw at fixed intervals', -> - gridLines(0, 4).should.deep.equal [0, 1, 2, 3, 4] - gridLines(0, 400).should.deep.equal [0, 100, 200, 300, 400] - - it 'should pick intervals that show significant numbers', -> - gridLines(98, 502).should.deep.equal [100, 200, 300, 400, 500] - gridLines(98, 302).should.deep.equal [100, 150, 200, 250, 300] - gridLines(98, 202).should.deep.equal [100, 125, 150, 175, 200] - - it 'should draw zero when it falls within [ymin..ymax]', -> - gridLines(-100, 300).should.deep.equal [-100, 0, 100, 200, 300] - gridLines(-50, 350).should.deep.equal [0, 100, 200, 300, 400] - gridLines(-500, 300).should.deep.equal [-400, -200, 0, 200, 400] - gridLines(100, 500).should.deep.equal [100, 200, 300, 400, 500] - gridLines(-500, -100).should.deep.equal [-500, -400, -300, -200, -100] - - it 'should generate decimal labels to 2 signigicant figures', -> - gridLines(0, 1).should.deep.equal [0, 0.25, 0.5, 0.75, 1] - gridLines(0.1, 0.5).should.deep.equal [0.1, 0.2, 0.3, 0.4, 0.5] diff --git a/spec/lib/grid/set_data_spec.coffee b/spec/lib/grid/set_data_spec.coffee index e44f0a1..50450d7 100644 --- a/spec/lib/grid/set_data_spec.coffee +++ b/spec/lib/grid/set_data_spec.coffee @@ -197,3 +197,12 @@ describe 'Morris.Grid#setData', -> line.data.length.should.equal 0 line.setData([{x: 2, y: '12'}, {x: 1, y: '13.5'}, {x: 4, y: '14'}, {x: 3, y: '16'}]) line.data.length.should.equal 4 + + it 'should automatically choose significant numbers for y-labels', -> + line = Morris.Line + element: 'graph', + data: [{x: 1, y: 0}, {x: 2, y: 3600}] + xkey: 'x' + ykeys: ['y'] + labels: ['y'] + line.grid.should == [0, 1000, 2000, 3000, 4000]