12 lines
8.6 KiB
JavaScript
12 lines
8.6 KiB
JavaScript
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/*
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* jquery.flot.tooltip
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*
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* description: easy-to-use tooltips for Flot charts
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* version: 0.8.7
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* authors: Krzysztof Urbas @krzysu [myviews.pl],Evan Steinkerchner @Roundaround
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* website: https://github.com/krzysu/flot.tooltip
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*
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* build on 2016-03-15
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* released under MIT License, 2012
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*/
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!function(a){var b={tooltip:{show:!1,cssClass:"flotTip",content:"%s | X: %x | Y: %y",xDateFormat:null,yDateFormat:null,monthNames:null,dayNames:null,shifts:{x:10,y:20},defaultTheme:!0,snap:!0,lines:!1,clickTips:!1,onHover:function(a,b){},$compat:!1}};b.tooltipOpts=b.tooltip;var c=function(a){this.tipPosition={x:0,y:0},this.init(a)};c.prototype.init=function(b){function c(a){var c={};c.x=a.pageX,c.y=a.pageY,b.setTooltipPosition(c)}function d(c,d,g){f.clickmode?(a(b.getPlaceholder()).bind("plothover",e),b.hideTooltip(),f.clickmode=!1):(e(c,d,g),f.getDomElement().is(":visible")&&(a(b.getPlaceholder()).unbind("plothover",e),f.clickmode=!0))}function e(c,d,e){var g=function(a,b,c,d){return Math.sqrt((c-a)*(c-a)+(d-b)*(d-b))},h=function(a,b,c,d,e,f,h){if(!h||(h=function(a,b,c,d,e,f){if("undefined"!=typeof c)return{x:c,y:b};if("undefined"!=typeof d)return{x:a,y:d};var g,h=-1/((f-d)/(e-c));return{x:g=(e*(a*h-b+d)+c*(a*-h+b-f))/(h*(e-c)+d-f),y:h*g-h*a+b}}(a,b,c,d,e,f),h.x>=Math.min(c,e)&&h.x<=Math.max(c,e)&&h.y>=Math.min(d,f)&&h.y<=Math.max(d,f))){var i=d-f,j=e-c,k=c*f-d*e;return Math.abs(i*a+j*b+k)/Math.sqrt(i*i+j*j)}var l=g(a,b,c,d),m=g(a,b,e,f);return l>m?m:l};if(e)b.showTooltip(e,f.tooltipOptions.snap?e:d);else if(f.plotOptions.series.lines.show&&f.tooltipOptions.lines===!0){var i=f.plotOptions.grid.mouseActiveRadius,j={distance:i+1},k=d;a.each(b.getData(),function(a,c){for(var e=0,i=-1,l=1;l<c.data.length;l++)c.data[l-1][0]<=d.x&&c.data[l][0]>=d.x&&(e=l-1,i=l);if(-1===i)return void b.hideTooltip();var m={x:c.data[e][0],y:c.data[e][1]},n={x:c.data[i][0],y:c.data[i][1]},o=h(c.xaxis.p2c(d.x),c.yaxis.p2c(d.y),c.xaxis.p2c(m.x),c.yaxis.p2c(m.y),c.xaxis.p2c(n.x),c.yaxis.p2c(n.y),!1);if(o<j.distance){var p=g(m.x,m.y,d.x,d.y)<g(d.x,d.y,n.x,n.y)?e:i,q=(c.datapoints.pointsize,[d.x,m.y+(n.y-m.y)*((d.x-m.x)/(n.x-m.x))]),r={datapoint:q,dataIndex:p,series:c,seriesIndex:a};j={distance:o,item:r},f.tooltipOptions.snap&&(k={pageX:c.xaxis.p2c(q[0]),pageY:c.yaxis.p2c(q[1])})}}),j.distance<i+1?b.showTooltip(j.item,k):b.hideTooltip()}else b.hideTooltip()}var f=this,g=a.plot.plugins.length;if(this.plotPlugins=[],g)for(var h=0;g>h;h++)this.plotPlugins.push(a.plot.plugins[h].name);b.hooks.bindEvents.push(function(b,g){if(f.plotOptions=b.getOptions(),"boolean"==typeof f.plotOptions.tooltip&&(f.plotOptions.tooltipOpts.show=f.plotOptions.tooltip,f.plotOptions.tooltip=f.plotOptions.tooltipOpts,delete f.plotOptions.tooltipOpts),f.plotOptions.tooltip.show!==!1&&"undefined"!=typeof f.plotOptions.tooltip.show){f.tooltipOptions=f.plotOptions.tooltip,f.tooltipOptions.$compat?(f.wfunc="width",f.hfunc="height"):(f.wfunc="innerWidth",f.hfunc="innerHeight");f.getDomElement();a(b.getPlaceholder()).bind("plothover",e),f.tooltipOptions.clickTips&&a(b.getPlaceholder()).bind("plotclick",d),f.clickmode=!1,a(g).bind("mousemove",c)}}),b.hooks.shutdown.push(function(b,f){a(b.getPlaceholder()).unbind("plothover",e),a(b.getPlaceholder()).unbind("plotclick",d),b.removeTooltip(),a(f).unbind("mousemove",c)}),b.setTooltipPosition=function(b){var c=f.getDomElement(),d=c.outerWidth()+f.tooltipOptions.shifts.x,e=c.outerHeight()+f.tooltipOptions.shifts.y;b.x-a(window).scrollLeft()>a(window)[f.wfunc]()-d&&(b.x-=d),b.y-a(window).scrollTop()>a(window)[f.hfunc]()-e&&(b.y-=e),isNaN(b.x)?f.tipPosition.x=f.tipPosition.xPrev:(f.tipPosition.x=b.x,f.tipPosition.xPrev=b.x),isNaN(b.y)?f.tipPosition.y=f.tipPosition.yPrev:(f.tipPosition.y=b.y,f.tipPosition.yPrev=b.y)},b.showTooltip=function(a,c,d){var e=f.getDomElement(),g=f.stringFormat(f.tooltipOptions.content,a);""!==g&&(e.html(g),b.setTooltipPosition({x:c.pageX,y:c.pageY}),e.css({left:f.tipPosition.x+f.tooltipOptions.shifts.x,top:f.tipPosition.y+f.tooltipOptions.shifts.y}).show(),"function"==typeof f.tooltipOptions.onHover&&f.tooltipOptions.onHover(a,e))},b.hideTooltip=function(){f.getDomElement().hide().html("")},b.removeTooltip=function(){f.getDomElement().remove()}},c.prototype.getDomElement=function(){var b=a("<div>");return this.tooltipOptions&&this.tooltipOptions.cssClass&&(b=a("."+this.tooltipOptions.cssClass),0===b.length&&(b=a("<div
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