Lines Matching refs:clearRect
1 DygraphLayout=function(b,a){this.dygraph_=b;this.options={};Dygraph.update(this.options,a?a:{});this.datasets=new Array();this.annotations=new Array()};DygraphLayout.prototype.attr_=function(a){return this.dygraph_.attr_(a)};DygraphLayout.prototype.addDataset=function(a,b){this.datasets[a]=b};DygraphLayout.prototype.setAnnotations=function(d){var e=this.attr_("xValueParser");for(var c=0;c<d.length;c++){var b={};if(!d[c].xval&&!d[c].x){this.dygraph_.error("Annotations must have an 'x' property");return}if(d[c].icon&&!(d[c].hasOwnProperty("width")&&d[c].hasOwnProperty("height"))){this.dygraph_.error("Must set width and height when setting annotation.icon property");return}Dygraph.update(b,d[c]);if(!b.xval){b.xval=e(b.x)}this.annotations.push(b)}};DygraphLayout.prototype.evaluate=function(){this._evaluateLimits();this._evaluateLineCharts();this._evaluateLineTicks();this._evaluateAnnotations()};DygraphLayout.prototype._evaluateLimits=function(){this.minxval=this.maxxval=null;if(this.options.dateWindow){this.minxval=this.options.dateWindow[0];this.maxxval=this.options.dateWindow[1]}else{for(var c in this.datasets){if(!this.datasets.hasOwnProperty(c)){continue}var d=this.datasets[c];var b=d[0][0];if(!this.minxval||b<this.minxval){this.minxval=b}var a=d[d.length-1][0];if(!this.maxxval||a>this.maxxval){this.maxxval=a}}}this.xrange=this.maxxval-this.minxval;this.xscale=(this.xrange!=0?1/this.xrange:1);this.minyval=this.options.yAxis[0];this.maxyval=this.options.yAxis[1];this.yrange=this.maxyval-this.minyval;this.yscale=(this.yrange!=0?1/this.yrange:1)};DygraphLayout.prototype._evaluateLineCharts=function(){this.points=new Array();for(var e in this.datasets){if(!this.datasets.hasOwnProperty(e)){continue}var d=this.datasets[e];for(var b=0;b<d.length;b++){var c=d[b];var a={x:((parseFloat(c[0])-this.minxval)*this.xscale),y:1-((parseFloat(c[1])-this.minyval)*this.yscale),xval:parseFloat(c[0]),yval:parseFloat(c[1]),name:e};if(a.y<=0){a.y=0}if(a.y>=1){a.y=1}this.points.push(a)}}};DygraphLayout.prototype._evaluateLineTicks=function(){this.xticks=new Array();for(var c=0;c<this.options.xTicks.length;c++){var b=this.options.xTicks[c];var a=b.label;var d=this.xscale*(b.v-this.minxval);if((d>=0)&&(d<=1)){this.xticks.push([d,a])}}this.yticks=new Array();for(var c=0;c<this.options.yTicks.length;c++){var b=this.options.yTicks[c];var a=b.label;var d=1-(this.yscale*(b.v-this.minyval));if((d>=0)&&(d<=1)){this.yticks.push([d,a])}}};DygraphLayout.prototype.evaluateWithError=function(){this.evaluate();if(!this.options.errorBars){return}var d=0;for(var g in this.datasets){if(!this.datasets.hasOwnProperty(g)){continue}var c=0;var f=this.datasets[g];for(var c=0;c<f.length;c++,d++){var e=f[c];var a=parseFloat(e[0]);var b=parseFloat(e[1]);if(a==this.points[d].xval&&b==this.points[d].yval){this.points[d].errorMinus=parseFloat(e[2]);this.points[d].errorPlus=parseFloat(e[3])}}}};DygraphLayout.prototype._evaluateAnnotations=function(){var f={};for(var d=0;d<this.annotations.length;d++){var b=this.annotations[d];f[b.xval+","+b.series]=b}this.annotated_points=[];for(var d=0;d<this.points.length;d++){var e=this.points[d];var c=e.xval+","+e.name;if(c in f){e.annotation=f[c];this.annotated_points.push(e)}}};DygraphLayout.prototype.removeAllDatasets=function(){delete this.datasets;this.datasets=new Array()};DygraphLayout.prototype.updateOptions=function(a){Dygraph.update(this.options,a?a:{})};DygraphCanvasRenderer=function(c,b,d,a){this.dygraph_=c;this.options={strokeWidth:0.5,drawXAxis:true,drawYAxis:true,axisLineColor:"black",axisLineWidth:0.5,axisTickSize:3,axisLabelColor:"black",axisLabelFont:"Arial",axisLabelFontSize:9,axisLabelWidth:50,drawYGrid:true,drawXGrid:true,gridLineColor:"rgb(128,128,128)",fillAlpha:0.15,underlayCallback:null};Dygraph.update(this.options,a);this.layout=d;this.element=b;this.container=this.element.parentNode;this.height=this.element.height;this.width=this.element.width;if(!this.isIE&&!(DygraphCanvasRenderer.isSupported(this.element))){throw"Canvas is not supported."}this.xlabels=new Array();this.ylabels=new Array();this.annotations=new Array();this.area={x:this.options.yAxisLabelWidth+2*this.options.axisTickSize,y:0};this.area.w=this.width-this.area.x-this.options.rightGap;this.area.h=this.height-this.options.axisLabelFontSize-2*this.options.axisTickSize;this.container.style.position="relative";this.container.style.width=this.width+"px"};DygraphCanvasRenderer.prototype.clear=function(){if(this.isIE){try{if(this.clearDelay){this.clearDelay.cancel();this.clearDelay=null}var b=this.element.getContext("2d")}catch(d){this.clearDelay=MochiKit.Async.wait(this.IEDelay);this.clearDelay.addCallback(bind(this.clear,this));return}}var b=this.element.getContext("2d");b.clearRecte;var b=k*(1-g);var a=k*(1-(g*j));var m=k*(1-(g*(1-j)));switch(e){case 1:c=a;d=k;l=b;break;case 2:c=b;d=k;l=m;break;case 3:c=b;d=a;l=k;break;case 4:c=m;d=b;l=k;break;case 5:c=k;d=b;l=a;break;case 6:case 0:c=k;d=m;l=b;break}}c=Math.floor(255*c+0.5);d=Math.floor(255*d+0.5);l=Math.floor(255*l+0.5);return"rgb("+c+","+d+","+l+")"};Dygraph.prototype.setColors_=function(){var e=this.attr_("labels").length-1;this.colors_=[];var a=this.attr_("colors");if(!a){var c=this.attr_("colorSaturation")||1;var b=this.attr_("colorValue")||0.5;var j=Math.ceil(e/2);for(var d=1;d<=e;d++){if(!this.visibility()[d-1]){continue}var g=d%2?Math.ceil(d/2):(j+d/2);var f=(1*g/(1+e));this.colors_.push(Dygraph.hsvToRGB(f,c,b))}}else{for(var d=0;d<e;d++){if(!this.visibility()[d]){continue}var h=a[d%a.length];this.colors_.push(h)}}this.renderOptions_.colorScheme=this.colors_;Dygraph.update(this.plotter_.options,this.renderOptions_);Dygraph.update(this.layoutOptions_,this.user_attrs_);Dygraph.update(this.layoutOptions_,this.attrs_)};Dygraph.prototype.getColors=function(){return this.colors_};Dygraph.findPosX=function(a){var b=0;if(a.offsetParent){while(1){b+=a.offsetLeft;if(!a.offsetParent){break}a=a.offsetParent}}else{if(a.x){b+=a.x}}return b};Dygraph.findPosY=function(b){var a=0;if(b.offsetParent){while(1){a+=b.offsetTop;if(!b.offsetParent){break}b=b.offsetParent}}else{if(b.y){a+=b.y}}return a};Dygraph.prototype.createStatusMessage_=function(){var d=this.user_attrs_.labelsDiv;if(d&&null!=d&&(typeof(d)=="string"||d instanceof String)){this.user_attrs_.labelsDiv=document.getElementById(d)}if(!this.attr_("labelsDiv")){var a=this.attr_("labelsDivWidth");var c={position:"absolute",fontSize:"14px",zIndex:10,width:a+"px",top:"0px",left:(this.width_-a-2)+"px",background:"white",textAlign:"left",overflow:"hidden"};Dygraph.update(c,this.attr_("labelsDivStyles"));var e=document.createElement("div");for(var b in c){if(c.hasOwnProperty(b)){e.style[b]=c[b]}}this.graphDiv.appendChild(e);this.attrs_.labelsDiv=e}};Dygraph.prototype.createRollInterface_=function(){var f=this.attr_("showRoller")?"block":"none";var b={position:"absolute",zIndex:10,top:(this.plotter_.area.h-25)+"px",left:(this.plotter_.area.x+1)+"px",display:f};var e=document.createElement("input");e.type="text";e.size="2";e.value=this.rollPeriod_;for(var a in b){if(b.hasOwnProperty(a)){e.style[a]=b[a]}}var d=this.graphDiv;d.appendChild(e);var c=this;e.onchange=function(){c.adjustRoll(e.value)};return e};Dygraph.pageX=function(c){if(c.pageX){return(!c.pageX||c.pageX<0)?0:c.pageX}else{var d=document;var a=document.body;return c.clientX+(d.scrollLeft||a.scrollLeft)-(d.clientLeft||0)}};Dygraph.pageY=function(c){if(c.pageY){return(!c.pageY||c.pageY<0)?0:c.pageY}else{var d=document;var a=document.body;return c.clientY+(d.scrollTop||a.scrollTop)-(d.clientTop||0)}};Dygraph.prototype.createDragInterface_=function(){var o=this;var c=false;var e=false;var b=null;var a=null;var n=null;var l=null;var f=null;var m=null;var k=null;var g=0;var d=0;var j=function(p){return Dygraph.pageX(p)-g};var h=function(p){return Dygraph.pageY(p)-d};Dygraph.addEvent(this.mouseEventElement_,"mousemove",function(p){if(c){n=j(p);l=h(p);o.drawZoomRect_(b,n,f);f=n}else{if(e){n=j(p);l=h(p);o.dateWindow_[0]=m-(n/o.width_)*k;o.dateWindow_[1]=o.dateWindow_[0]+k;o.drawGraph_(o.rawData_)}}});Dygraph.addEvent(this.mouseEventElement_,"mousedown",function(p){g=Dygraph.findPosX(o.canvas_);d=Dygraph.findPosY(o.canvas_);b=j(p);a=h(p);if(p.altKey||p.shiftKey){if(!o.dateWindow_){return}e=true;k=o.dateWindow_[1]-o.dateWindow_[0];m=(b/o.width_)*k+o.dateWindow_[0]}else{c=true}});Dygraph.addEvent(document,"mouseup",function(p){if(c||e){c=false;b=null;a=null}if(e){e=false;m=null;k=null}});Dygraph.addEvent(this.mouseEventElement_,"mouseout",function(p){if(c){n=null;l=null}});Dygraph.addEvent(this.mouseEventElement_,"mouseup",function(r){if(c){c=false;n=j(r);l=h(r);var u=Math.abs(n-b);var s=Math.abs(l-a);if(u<2&&s<2&&o.lastx_!=undefined&&o.lastx_!=-1){if(o.attr_("clickCallback")!=null){o.attr_("clickCallback")(r,o.lastx_,o.selPoints_)}if(o.attr_("pointClickCallback")){var x=-1;var y=0;for(var v=0;v<o.selPoints_.length;v++){var t=o.selPoints_[v];var q=Math.pow(t.canvasx-n,2)+Math.pow(t.canvasy-l,2);if(x==-1||q<y){y=q;x=v}}var w=o.attr_("highlightCircleSize")+2;if(y<=5*5){o.attr_("pointClickCallback")(r,o.selPoints_[x])}}}if(u>=10){o.doZoom_(Math.min(b,n),Math.max(b,n))}else{o.canvas_.getContext("2d").clearRect(0,0,o.canvas_.width,o.canvas_.height)}b=null;a=null}if(e){e=false;m=null;k=null}});Dygraph.addEvent(this.mouseEventElement_,"dblclick",function(p){if(o.dateWindow_==null){return}o.dateWindow_=null;o.drawGraph_(o.rawData_);var q=o.rawData_[0][0];var r=o.rawData_[o.rawData_.length-1][0];if(o.attr_("zoomCallback")){o.attr_("zoomCallback")(q,r)}})};Dygraph.prototype.drawZoomRect_=function(c,d,b){var a=this.canvas_.getContext("2d");if(b){a.clearRect(Math.min(c,b),0,Math.abs(c-b),this.height_)}if(d&&c){a.fillStyle="rgba(128,128,128,0.33)";a.fillRect(Math.min(c,d),0,Math.abs(d-c),this.height_)}};Dygraph.prototype.doZoom_=function(d,a){var b=this.toDataCoords(d,null);var c=b[0];b=this.toDataCoords(a,null);var e=b[0];this.dateWindow_=[c,e];this.drawGraph_(this.rawData_);if(this.attr_("zoomCallback")){this.attr_("zoomCallback")(c,e)}};Dygraph.prototype.mouseMove_=function(b){var a=Dygraph.pageX(b)-Dygraph.findPosX(this.mouseEventElement_);var r=this.layout_.points;var m=-1;var j=-1;var o=1e+100;var q=-1;for(var f=0;f<r.length;f++){var h=Math.abs(r[f].canvasx-a);if(h>o){continue}o=h;q=f}if(q>=0){m=r[q].xval}if(a>r[r.length-1].canvasx){m=r[r.length-1].xval}this.selPoints_=[];var d=r.length;if(!this.attr_("stackedGraph")){for(var f=0;f<d;f++){if(r[f].xval==m){this.selPoints_.push(r[f])}}}else{var g=0;for(var f=d-1;f>=0;f--){if(r[f].xval==m){var c={};for(var e in r[f]){c[e]=r[f][e]}c.yval-=g;g+=c.yval;this.selPoints_.push(c)}}this.selPoints_.reverse()}if(this.attr_("highlightCallback")){var n=this.lastx_;if(n!==null&&m!=n){this.attr_("highlightCallback")(b,m,this.selPoints_)}}this.lastx_=m;this.updateSelection_()};Dygraph.prototype.updateSelection_=function(){var q=this.canvas_.getContext("2d");if(this.previousVerticalX_>=0){var h=0;var j=this.attr_("labels");for(var g=1;g<j.length;g++){var b=this.attr_("highlightCircleSize",j[g]);if(b>h){h=b}}var o=this.previousVerticalX_;q.clearRect(o-h-1,0,2*h+2,this.height_)}var p=function(c){return c&&!isNaN(c)};if(this.selPoints_.length>0){var d=this.selPoints_[0].canvasx;var e=this.attr_("xValueFormatter")(this.lastx_,this)+":";var f=this.attr_("yValueFormatter");var m=this.colors_.length;if(this.attr_("showLabelsOnHighlight")){for(var g=0;g<this.selPoints_.length;g++){if(!this.attr_("labelsShowZeroValues")&&this.selPoints_[g].yval==0){continue}if(!p(this.selPoints_[g].canvasy)){continue}if(this.attr_("labelsSeparateLines")){e+="<br/>"}var n=this.selPoints_[g];var l=new RGBColor(this.colors_[g%m]);var k=f(n.yval);e+=" <b><font color='"+l.toHex()+"'>"+n.name+"</font></b>:"+k}this.attr_("labelsDiv").innerHTML=e}q.save();for(var g=0;g<this.selPoints_.length;g++){if(!p(this.selPoints_[g].canvasy)){continue}var a=this.attr_("highlightCircleSize",this.selPoints_[g].name);q.beginPath();q.fillStyle=this.plotter_.colors[this.selPoints_[g].name];q.arc(d,this.selPoints_[g].canvasy,a,0,2*Math.PI,false);q.fill()}q.restore();this.previousVerticalX_=d}};Dygraph.prototype.setSelection=function(b){this.selPoints_=[];var c=0;if(b!==false){b=b-this.boundaryIds_[0][0]}if(b!==false&&b>=0){for(var a in this.layout_.datasets){if(b<this.layout_.datasets[a].length){this.selPoints_.push(this.layout_.points[c+b])}c+=this.layout_.datasets[a].length}}if(this.selPoints_.length){this.lastx_=this.selPoints_[0].xval;this.updateSelection_()}else{this.lastx_=-1;this.clearSelection()}};Dygraph.prototype.mouseOut_=function(a){if(this.attr_("unhighlightCallback")){this.attr_("unhighlightCallback")(a)}if(this.attr_("hideOverlayOnMouseOut")){this.clearSelection()}};Dygraph.prototype.clearSelection=function(){var a=this.canvas_.getContext("2d");a.clearRectclearRect
