luci-app-nlbwmon: move chartjs to own packages luci-lib-chartjs

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

2 files changed, 79 insertions, 0 deletions

diff --git a/libs/luci-lib-chartjs/Makefile b/libs/luci-lib-chartjs/Makefile
new file mode 100644
index 0000000000..ba545f1057
--- /dev/null
+++ b/libs/luci-lib-chartjs/Makefile
@@ -0,0 +1,11 @@
+# This is free software, licensed under the Apache License, Version 2.0 .
+
+include $(TOPDIR)/rules.mk
+
+PKG_LICENSE=MIT
+
+LUCI_TITLE:=Simple HTML5 charts using the canvas element
+
+include ../../luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature
diff --git a/libs/luci-lib-chartjs/htdocs/luci-static/resources/nlbw.chart.min.js b/libs/luci-lib-chartjs/htdocs/luci-static/resources/nlbw.chart.min.js
new file mode 100644
index 0000000000..34e3026825
--- /dev/null
+++ b/libs/luci-lib-chartjs/htdocs/luci-static/resources/nlbw.chart.min.js
@@ -0,0 +1,68 @@
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+this.startAngle+(this.endAngle-this.startAngle)/2,b=(this.outerRadius-this.innerRadius)/2+this.innerRadius;return{x:this.x+Math.cos(a)*b,y:this.y+Math.sin(a)*b}},draw:function(a){a=this.ctx;a.beginPath();a.arc(this.x,this.y,0>this.outerRadius?0:this.outerRadius,this.startAngle,this.endAngle);a.arc(this.x,this.y,0>this.innerRadius?0:this.innerRadius,this.endAngle,this.startAngle,!0);a.closePath();a.strokeStyle=this.strokeColor;a.lineWidth=this.strokeWidth;a.fillStyle=this.fillColor;a.fill();a.lineJoin=
+"bevel";this.showStroke&&a.stroke()}});e.Rectangle=e.Element.extend({draw:function(){var a=this.ctx,b=this.width/2,c=this.x-b,b=this.x+b,f=this.base-(this.base-this.y),d=this.strokeWidth/2;this.showStroke&&(c+=d,b-=d,f+=d);a.beginPath();a.fillStyle=this.fillColor;a.strokeStyle=this.strokeColor;a.lineWidth=this.strokeWidth;a.moveTo(c,this.base);a.lineTo(c,f);a.lineTo(b,f);a.lineTo(b,this.base);a.fill();this.showStroke&&a.stroke()},height:function(){return this.base-this.y},inRange:function(a,b){return a>=
+this.x-this.width/2&&a<=this.x+this.width/2&&b>=this.y&&b<=this.base}});e.Animation=e.Element.extend({currentStep:null,numSteps:60,easing:"",render:null,onAnimationProgress:null,onAnimationComplete:null});e.Tooltip=e.Element.extend({draw:function(){var a=this.chart.ctx;a.font=v(this.fontSize,this.fontStyle,this.fontFamily);this.xAlign="center";this.yAlign="above";var b=this.caretPadding=2,c=a.measureText(this.text).width+2*this.xPadding,f=this.fontSize+2*this.yPadding,d=f+this.caretHeight+b;this.x+
+c/2>this.chart.width?this.xAlign="left":0>this.x-c/2&&(this.xAlign="right");0>this.y-d&&(this.yAlign="below");var e=this.x-c/2,d=this.y-d;a.fillStyle=this.fillColor;if(this.custom)this.custom(this);else{switch(this.yAlign){case "above":a.beginPath();a.moveTo(this.x,this.y-b);a.lineTo(this.x+this.caretHeight,this.y-(b+this.caretHeight));a.lineTo(this.x-this.caretHeight,this.y-(b+this.caretHeight));a.closePath();a.fill();break;case "below":d=this.y+b+this.caretHeight,a.beginPath(),a.moveTo(this.x,this.y+
+b),a.lineTo(this.x+this.caretHeight,this.y+b+this.caretHeight),a.lineTo(this.x-this.caretHeight,this.y+b+this.caretHeight),a.closePath(),a.fill()}switch(this.xAlign){case "left":e=this.x-c+(this.cornerRadius+this.caretHeight);break;case "right":e=this.x-(this.cornerRadius+this.caretHeight)}H(a,e,d,c,f,this.cornerRadius);a.fill();a.fillStyle=this.textColor;a.textAlign="center";a.textBaseline="middle";a.fillText(this.text,e+c/2,d+f/2)}}});e.MultiTooltip=e.Element.extend({initialize:function(){this.font=
+v(this.fontSize,this.fontStyle,this.fontFamily);this.titleFont=v(this.titleFontSize,this.titleFontStyle,this.titleFontFamily);this.titleHeight=this.title?1.5*this.titleFontSize:0;this.height=this.labels.length*this.fontSize+this.fontSize/2*(this.labels.length-1)+2*this.yPadding+this.titleHeight;this.ctx.font=this.titleFont;var a=this.ctx.measureText(this.title).width,b=C(this.ctx,this.font,this.labels)+this.fontSize+3;this.width=y([b,a])+2*this.xPadding;a=this.height/2;0>this.y-a?this.y=a:this.y+
+a>this.chart.height&&(this.y=this.chart.height-a);this.x=this.x>this.chart.width/2?this.x-(this.xOffset+this.width):this.x+this.xOffset},getLineHeight:function(a){var b=this.y-this.height/2+this.yPadding;return 0===a?b+this.titleHeight/3:b+(1.5*this.fontSize*(a-1)+this.fontSize/2)+this.titleHeight},draw:function(){if(this.custom)this.custom(this);else{H(this.ctx,this.x,this.y-this.height/2,this.width,this.height,this.cornerRadius);var a=this.ctx;a.fillStyle=this.fillColor;a.fill();a.closePath();a.textAlign=
+"left";a.textBaseline="middle";a.fillStyle=this.titleTextColor;a.font=this.titleFont;a.fillText(this.title,this.x+this.xPadding,this.getLineHeight(0));a.font=this.font;d.each(this.labels,function(b,c){a.fillStyle=this.textColor;a.fillText(b,this.x+this.xPadding+this.fontSize+3,this.getLineHeight(c+1));a.fillStyle=this.legendColorBackground;a.fillRect(this.x+this.xPadding,this.getLineHeight(c+1)-this.fontSize/2,this.fontSize,this.fontSize);a.fillStyle=this.legendColors[c].fill;a.fillRect(this.x+this.xPadding,
+this.getLineHeight(c+1)-this.fontSize/2,this.fontSize,this.fontSize)},this)}}});e.Scale=e.Element.extend({initialize:function(){this.fit()},buildYLabels:function(){this.yLabels=[];for(var a=E(this.stepValue),b=0;b<=this.steps;b++)this.yLabels.push(t(this.templateString,{value:(this.min+b*this.stepValue).toFixed(a)}));this.yLabelWidth=this.display&&this.showLabels?C(this.ctx,this.font,this.yLabels)+10:0},addXLabel:function(a){this.xLabels.push(a);this.valuesCount++;this.fit()},removeXLabel:function(){this.xLabels.shift();
+this.valuesCount--;this.fit()},fit:function(){this.startPoint=this.display?this.fontSize:0;this.endPoint=this.display?this.height-1.5*this.fontSize-5:this.height;this.startPoint+=this.padding;var a=this.endPoint-=this.padding,b=this.endPoint-this.startPoint,c;this.calculateYRange(b);this.buildYLabels();for(this.calculateXLabelRotation();b>this.endPoint-this.startPoint;)b=this.endPoint-this.startPoint,c=this.yLabelWidth,this.calculateYRange(b),this.buildYLabels(),c<this.yLabelWidth&&(this.endPoint=
+a,this.calculateXLabelRotation())},calculateXLabelRotation:function(){this.ctx.font=this.font;var a=this.ctx.measureText(this.xLabels[0]).width,b;this.xScalePaddingRight=this.ctx.measureText(this.xLabels[this.xLabels.length-1]).width/2+3;this.xScalePaddingLeft=a/2>this.yLabelWidth?a/2:this.yLabelWidth;this.xLabelRotation=0;if(this.display){var c=C(this.ctx,this.font,this.xLabels),f;this.xLabelWidth=c;for(var d=Math.floor(this.calculateX(1)-this.calculateX(0))-6;this.xLabelWidth>d&&0===this.xLabelRotation||
+this.xLabelWidth>d&&90>=this.xLabelRotation&&0<this.xLabelRotation;)f=Math.cos(B(this.xLabelRotation)),b=f*a,b+this.fontSize/2>this.yLabelWidth&&(this.xScalePaddingLeft=b+this.fontSize/2),this.xScalePaddingRight=this.fontSize/2,this.xLabelRotation++,this.xLabelWidth=f*c;0<this.xLabelRotation&&(this.endPoint-=Math.sin(B(this.xLabelRotation))*c+3)}else this.xLabelWidth=0,this.xScalePaddingLeft=this.xScalePaddingRight=this.padding},calculateYRange:A,drawingArea:function(){return this.startPoint-this.endPoint},
+calculateY:function(a){var b=this.drawingArea()/(this.min-this.max);return this.endPoint-b*(a-this.min)},calculateX:function(a){var b=(this.width-(this.xScalePaddingLeft+this.xScalePaddingRight))/Math.max(this.valuesCount-(this.offsetGridLines?0:1),1);a=b*a+this.xScalePaddingLeft;this.offsetGridLines&&(a+=b/2);return Math.round(a)},update:function(a){d.extend(this,a);this.fit()},draw:function(){var a=this.ctx,b=(this.endPoint-this.startPoint)/this.steps,c=Math.round(this.xScalePaddingLeft);this.display&&
+(a.fillStyle=this.textColor,a.font=this.font,k(this.yLabels,function(f,e){var k=this.endPoint-b*e,g=Math.round(k),h=this.showHorizontalLines;a.textAlign="right";a.textBaseline="middle";this.showLabels&&a.fillText(f,c-10,k);0!==e||h||(h=!0);h&&a.beginPath();0<e?(a.lineWidth=this.gridLineWidth,a.strokeStyle=this.gridLineColor):(a.lineWidth=this.lineWidth,a.strokeStyle=this.lineColor);g+=d.aliasPixel(a.lineWidth);h&&(a.moveTo(c,g),a.lineTo(this.width,g),a.stroke(),a.closePath());a.lineWidth=this.lineWidth;
+a.strokeStyle=this.lineColor;a.beginPath();a.moveTo(c-5,g);a.lineTo(c,g);a.stroke();a.closePath()},this),k(this.xLabels,function(b,c){var d=this.calculateX(c)+F(this.lineWidth),e=this.calculateX(c-(this.offsetGridLines?.5:0))+F(this.lineWidth),k=0<this.xLabelRotation,h=this.showVerticalLines;0!==c||h||(h=!0);h&&a.beginPath();0<c?(a.lineWidth=this.gridLineWidth,a.strokeStyle=this.gridLineColor):(a.lineWidth=this.lineWidth,a.strokeStyle=this.lineColor);h&&(a.moveTo(e,this.endPoint),a.lineTo(e,this.startPoint-
+3),a.stroke(),a.closePath());a.lineWidth=this.lineWidth;a.strokeStyle=this.lineColor;a.beginPath();a.moveTo(e,this.endPoint);a.lineTo(e,this.endPoint+5);a.stroke();a.closePath();a.save();a.translate(d,k?this.endPoint+12:this.endPoint+8);a.rotate(-1*B(this.xLabelRotation));a.font=this.font;a.textAlign=k?"right":"center";a.textBaseline=k?"middle":"top";a.fillText(b,0,0);a.restore()},this))}});e.RadialScale=e.Element.extend({initialize:function(){this.size=w([this.height,this.width]);this.drawingArea=
+this.display?this.size/2-(this.fontSize/2+this.backdropPaddingY):this.size/2},calculateCenterOffset:function(a){return this.drawingArea/(this.max-this.min)*(a-this.min)},update:function(){this.lineArc?this.drawingArea=this.display?this.size/2-(this.fontSize/2+this.backdropPaddingY):this.size/2:this.setScaleSize();this.buildYLabels()},buildYLabels:function(){this.yLabels=[];for(var a=E(this.stepValue),b=0;b<=this.steps;b++)this.yLabels.push(t(this.templateString,{value:(this.min+b*this.stepValue).toFixed(a)}))},
+getCircumference:function(){return 2*Math.PI/this.valuesCount},setScaleSize:function(){var a=w([this.height/2-this.pointLabelFontSize-5,this.width/2]),b,c,d,e=this.width,k,g=0,h;this.ctx.font=v(this.pointLabelFontSize,this.pointLabelFontStyle,this.pointLabelFontFamily);for(c=0;c<this.valuesCount;c++)b=this.getPointPosition(c,a),d=this.ctx.measureText(t(this.templateString,{value:this.labels[c]})).width+5,0===c||c===this.valuesCount/2?(d/=2,b.x+d>e&&(e=b.x+d,k=c),b.x-d<g&&(g=b.x-d,h=c)):c<this.valuesCount/
+2?b.x+d>e&&(e=b.x+d,k=c):c>this.valuesCount/2&&b.x-d<g&&(g=b.x-d,h=c);b=g;e=Math.ceil(e-this.width);k=this.getIndexAngle(k);h=this.getIndexAngle(h);k=e/Math.sin(k+Math.PI/2);h=b/Math.sin(h+Math.PI/2);k=u(k)?k:0;h=u(h)?h:0;this.drawingArea=a-(h+k)/2;this.setCenterPoint(h,k)},setCenterPoint:function(a,b){this.xCenter=(a+this.drawingArea+(this.width-b-this.drawingArea))/2;this.yCenter=this.height/2},getIndexAngle:function(a){return 2*Math.PI/this.valuesCount*a-Math.PI/2},getPointPosition:function(a,
+b){var c=this.getIndexAngle(a);return{x:Math.cos(c)*b+this.xCenter,y:Math.sin(c)*b+this.yCenter}},draw:function(){if(this.display){var a=this.ctx;k(this.yLabels,function(b,c){if(0<c){var d=this.drawingArea/this.steps*c,e=this.yCenter-d;if(0<this.lineWidth){a.strokeStyle=this.lineColor;a.lineWidth=this.lineWidth;if(this.lineArc)a.beginPath(),a.arc(this.xCenter,this.yCenter,d,0,2*Math.PI);else{a.beginPath();for(var f=0;f<this.valuesCount;f++)d=this.getPointPosition(f,this.calculateCenterOffset(this.min+
+c*this.stepValue)),0===f?a.moveTo(d.x,d.y):a.lineTo(d.x,d.y)}a.closePath();a.stroke()}this.showLabels&&(a.font=v(this.fontSize,this.fontStyle,this.fontFamily),this.showLabelBackdrop&&(d=a.measureText(b).width,a.fillStyle=this.backdropColor,a.fillRect(this.xCenter-d/2-this.backdropPaddingX,e-this.fontSize/2-this.backdropPaddingY,d+2*this.backdropPaddingX,this.fontSize+2*this.backdropPaddingY)),a.textAlign="center",a.textBaseline="middle",a.fillStyle=this.fontColor,a.fillText(b,this.xCenter,e))}},this);
+if(!this.lineArc){a.lineWidth=this.angleLineWidth;a.strokeStyle=this.angleLineColor;for(var b=this.valuesCount-1;0<=b;b--){var c=null,d=null;0<this.angleLineWidth&&(c=this.calculateCenterOffset(this.max),d=this.getPointPosition(b,c),a.beginPath(),a.moveTo(this.xCenter,this.yCenter),a.lineTo(d.x,d.y),a.stroke(),a.closePath());if(this.backgroundColors&&this.backgroundColors.length==this.valuesCount){null==c&&(c=this.calculateCenterOffset(this.max));null==d&&(d=this.getPointPosition(b,c));var e=this.getPointPosition(0===
+b?this.valuesCount-1:b-1,c),h=this.getPointPosition(b===this.valuesCount-1?0:b+1,c),c=(e.x+d.x)/2,e=(e.y+d.y)/2,g=(d.x+h.x)/2,h=(d.y+h.y)/2;a.beginPath();a.moveTo(this.xCenter,this.yCenter);a.lineTo(c,e);a.lineTo(d.x,d.y);a.lineTo(g,h);a.fillStyle=this.backgroundColors[b];a.fill();a.closePath()}d=this.getPointPosition(b,this.calculateCenterOffset(this.max)+5);a.font=v(this.pointLabelFontSize,this.pointLabelFontStyle,this.pointLabelFontFamily);a.fillStyle=this.pointLabelFontColor;e=this.labels.length;
+c=this.labels.length/2;g=c/2;h=b<g||b>e-g;e=b===g||b===e-g;a.textAlign=0===b?"center":b===c?"center":b<c?"left":"right";a.textBaseline=e?"middle":h?"bottom":"top";a.fillText(this.labels[b],d.x,d.y)}}}}});e.animationService={frameDuration:17,animations:[],dropFrames:0,addAnimation:function(a,b){for(var c=0;c<this.animations.length;++c)if(this.animations[c].chartInstance===a){this.animations[c].animationObject=b;return}this.animations.push({chartInstance:a,animationObject:b});1==this.animations.length&&
+d.requestAnimFrame.call(window,this.digestWrapper)},cancelAnimation:function(a){var b=d.findNextWhere(this.animations,function(b){return b.chartInstance===a});b&&this.animations.splice(b,1)},digestWrapper:function(){e.animationService.startDigest.call(e.animationService)},startDigest:function(){var a=Date.now(),b=0;1<this.dropFrames&&(b=Math.floor(this.dropFrames),this.dropFrames-=b);for(var c=0;c<this.animations.length;c++)null===this.animations[c].animationObject.currentStep&&(this.animations[c].animationObject.currentStep=
+0),this.animations[c].animationObject.currentStep+=1+b,this.animations[c].animationObject.currentStep>this.animations[c].animationObject.numSteps&&(this.animations[c].animationObject.currentStep=this.animations[c].animationObject.numSteps),this.animations[c].animationObject.render(this.animations[c].chartInstance,this.animations[c].animationObject),this.animations[c].animationObject.currentStep==this.animations[c].animationObject.numSteps&&(this.animations[c].animationObject.onAnimationComplete.call(this.animations[c].chartInstance),
+this.animations.splice(c,1),c--);a=(Date.now()-a-this.frameDuration)/this.frameDuration;1<a&&(this.dropFrames+=a);0<this.animations.length&&d.requestAnimFrame.call(window,this.digestWrapper)}};d.addEvent(window,"resize",function(){var a;return function(){clearTimeout(a);a=setTimeout(function(){k(e.instances,function(a){a.options.responsive&&a.resize(a.render,!0)})},50)}}());M?define(function(){return e}):"object"===typeof module&&module.exports&&(module.exports=e);p.Chart=e;e.noConflict=function(){p.Chart=
+l;return e}}).call(this);
+(function(){var p=this.Chart,l=p.helpers,e={segmentShowStroke:!0,segmentStrokeColor:"#fff",segmentStrokeWidth:2,percentageInnerCutout:50,animationSteps:100,animationEasing:"easeOutBounce",animateRotate:!0,animateScale:!1,legendTemplate:'<ul class="<%=name.toLowerCase()%>-legend"><% for (var i=0; i<segments.length; i++){%><li><span style="background-color:<%=segments[i].fillColor%>"><%if(segments[i].label){%><%=segments[i].label%><%}%></span></li><%}%></ul>'};p.Type.extend({name:"Doughnut",defaults:e,
+initialize:function(d){this.segments=[];this.outerRadius=(l.min([this.chart.width,this.chart.height])-this.options.segmentStrokeWidth/2)/2;this.SegmentArc=p.Arc.extend({ctx:this.chart.ctx,x:this.chart.width/2,y:this.chart.height/2});this.options.showTooltips&&l.bindEvents(this,this.options.tooltipEvents,function(d){d="mouseout"!==d.type?this.getSegmentsAtEvent(d):[];l.each(this.segments,function(d){d.restore(["fillColor"])});l.each(d,function(d){d.fillColor=d.highlightColor});this.showTooltip(d)});
+this.calculateTotal(d);l.each(d,function(e,h){e.color||(e.color="hsl("+360*h/d.length+", 100%, 50%)");this.addData(e,h,!0)},this);this.render()},getSegmentsAtEvent:function(d){var e=[],h=l.getRelativePosition(d);l.each(this.segments,function(d){d.inRange(h.x,h.y)&&e.push(d)},this);return e},addData:function(d,e,h){e=void 0!==e?e:this.segments.length;"undefined"===typeof d.color&&(d.color=p.defaults.global.segmentColorDefault[e%p.defaults.global.segmentColorDefault.length],d.highlight=p.defaults.global.segmentHighlightColorDefaults[e%
+p.defaults.global.segmentHighlightColorDefaults.length]);this.segments.splice(e,0,new this.SegmentArc({value:d.value,outerRadius:this.options.animateScale?0:this.outerRadius,innerRadius:this.options.animateScale?0:this.outerRadius/100*this.options.percentageInnerCutout,fillColor:d.color,highlightColor:d.highlight||d.color,showStroke:this.options.segmentShowStroke,strokeWidth:this.options.segmentStrokeWidth,strokeColor:this.options.segmentStrokeColor,startAngle:1.5*Math.PI,circumference:this.options.animateRotate?
+0:this.calculateCircumference(d.value),label:d.label}));h||(this.reflow(),this.update())},calculateCircumference:function(d){return 0<this.total?d/this.total*Math.PI*2:0},calculateTotal:function(d){this.total=0;l.each(d,function(d){this.total+=Math.abs(d.value)},this)},update:function(){this.calculateTotal(this.segments);l.each(this.activeElements,function(d){d.restore(["fillColor"])});l.each(this.segments,function(d){d.save()});this.render()},removeData:function(d){d=l.isNumber(d)?d:this.segments.length-
+1;this.segments.splice(d,1);this.reflow();this.update()},reflow:function(){l.extend(this.SegmentArc.prototype,{x:this.chart.width/2,y:this.chart.height/2});this.outerRadius=(l.min([this.chart.width,this.chart.height])-this.options.segmentStrokeWidth/2)/2;l.each(this.segments,function(d){d.update({outerRadius:this.outerRadius,innerRadius:this.outerRadius/100*this.options.percentageInnerCutout})},this)},draw:function(d){var e=d?d:1;this.clear();l.each(this.segments,function(d,l){d.transition({circumference:this.calculateCircumference(d.value),
+outerRadius:this.outerRadius,innerRadius:this.outerRadius/100*this.options.percentageInnerCutout},e);d.endAngle=d.startAngle+d.circumference;d.draw();0===l&&(d.startAngle=1.5*Math.PI);l<this.segments.length-1&&(this.segments[l+1].startAngle=d.endAngle)},this)}});p.types.Doughnut.extend({name:"Pie",defaults:l.merge(e,{percentageInnerCutout:0})})}).call(this);