annotations.js 3.32 KB
(function(i,C){function m(a){return typeof a==="number"}function n(a){return a!==D&&a!==null}var D,p,r,s=i.Chart,t=i.extend,z=i.each;r=["path","rect","circle"];p={top:0,left:0,center:0.5,middle:0.5,bottom:1,right:1};var u=C.inArray,A=i.merge,B=function(){this.init.apply(this,arguments)};B.prototype={init:function(a,d){var c=d.shape&&d.shape.type;this.chart=a;var b,f;f={xAxis:0,yAxis:0,title:{style:{},text:"",x:0,y:0},shape:{params:{stroke:"#000000",fill:"transparent",strokeWidth:2}}};b={circle:{params:{x:0,
y:0}}};if(b[c])f.shape=A(f.shape,b[c]);this.options=A({},f,d)},render:function(a){var d=this.chart,c=this.chart.renderer,b=this.group,f=this.title,e=this.shape,h=this.options,i=h.title,l=h.shape;if(!b)b=this.group=c.g();if(!e&&l&&u(l.type,r)!==-1)e=this.shape=c[h.shape.type](l.params),e.add(b);if(!f&&i)f=this.title=c.label(i),f.add(b);b.add(d.annotations.group);this.linkObjects();a!==!1&&this.redraw()},redraw:function(){var a=this.options,d=this.chart,c=this.group,b=this.title,f=this.shape,e=this.linkedObject,
h=d.xAxis[a.xAxis],v=d.yAxis[a.yAxis],l=a.width,w=a.height,x=p[a.anchorY],y=p[a.anchorX],j,o,g,q;if(e)j=e instanceof i.Point?"point":e instanceof i.Series?"series":null,j==="point"?(a.xValue=e.x,a.yValue=e.y,o=e.series):j==="series"&&(o=e),c.visibility!==o.group.visibility&&c.attr({visibility:o.group.visibility});e=n(a.xValue)?h.toPixels(a.xValue+h.minPointOffset)-h.minPixelPadding:a.x;j=n(a.yValue)?v.toPixels(a.yValue):a.y;if(!isNaN(e)&&!isNaN(j)&&m(e)&&m(j)){b&&(b.attr(a.title),b.css(a.title.style));
if(f){b=t({},a.shape.params);if(a.units==="values"){for(g in b)u(g,["width","x"])>-1?b[g]=h.translate(b[g]):u(g,["height","y"])>-1&&(b[g]=v.translate(b[g]));b.width&&(b.width-=h.toPixels(0)-h.left);b.x&&(b.x+=h.minPixelPadding);if(a.shape.type==="path"){g=b.d;o=e;for(var r=j,s=g.length,k=0;k<s;)typeof g[k]==="number"&&typeof g[k+1]==="number"?(g[k]=h.toPixels(g[k])-o,g[k+1]=v.toPixels(g[k+1])-r,k+=2):k+=1}}a.shape.type==="circle"&&(b.x+=b.r,b.y+=b.r);f.attr(b)}c.bBox=null;if(!m(l))q=c.getBBox(),l=
q.width;if(!m(w))q||(q=c.getBBox()),w=q.height;if(!m(y))y=p.center;if(!m(x))x=p.center;e-=l*y;j-=w*x;d.animation&&n(c.translateX)&&n(c.translateY)?c.animate({translateX:e,translateY:j}):c.translate(e,j)}},destroy:function(){var a=this,d=this.chart.annotations.allItems,c=d.indexOf(a);c>-1&&d.splice(c,1);z(["title","shape","group"],function(b){a[b]&&(a[b].destroy(),a[b]=null)});a.group=a.title=a.shape=a.chart=a.options=null},update:function(a,d){t(this.options,a);this.linkObjects();this.render(d)},
linkObjects:function(){var a=this.chart,d=this.linkedObject,c=d&&(d.id||d.options.id),b=this.options.linkedTo;if(n(b)){if(!n(d)||b!==c)this.linkedObject=a.get(b)}else this.linkedObject=null}};t(s.prototype,{annotations:{add:function(a,d){var c=this.allItems,b=this.chart,f,e;Object.prototype.toString.call(a)==="[object Array]"||(a=[a]);for(e=a.length;e--;)f=new B(b,a[e]),c.push(f),f.render(d)},redraw:function(){z(this.allItems,function(a){a.redraw()})}}});s.prototype.callbacks.push(function(a){var d=
a.options.annotations,c;c=a.renderer.g("annotations");c.attr({zIndex:7});c.add();a.annotations.allItems=[];a.annotations.chart=a;a.annotations.group=c;Object.prototype.toString.call(d)==="[object Array]"&&d.length>0&&a.annotations.add(a.options.annotations);i.addEvent(a,"redraw",function(){a.annotations.redraw()})})})(Highcharts,HighchartsAdapter);