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14 lines
3.5 KiB
JavaScript
14 lines
3.5 KiB
JavaScript
/*
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Data plugin for Highcharts v0.1
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(c) 2012 Torstein Hønsi
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License: www.highcharts.com/license
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*/
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(function(h){var l=h.each,m=function(a){this.init(a)};h.extend(m.prototype,{init:function(a){this.options=a;this.columns=a.columns||this.rowsToColumns(a.rows)||[];this.columns.length?this.dataFound():(this.parseCSV(),this.parseTable(),this.parseGoogleSpreadsheet())},dataFound:function(){this.parseTypes();this.findHeaderRow();this.parsed();this.complete()},parseCSV:function(){var a=this.options,b=a.csv,d=this.columns,c=a.startRow||0,g=a.endRow||Number.MAX_VALUE,f=a.startColumn||0,j=a.endColumn||Number.MAX_VALUE;
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b&&(b=b.replace(/\r\n/g,"\n").replace(/\r/g,"\n").split(a.lineDelimiter||"\n"),l(b,function(b,k){if(k>=c&&k<=g){var e=b.split(a.itemDelimiter||",");l(e,function(a,b){b>=f&&b<=j&&(d[b-f]||(d[b-f]=[]),d[b-f][k-c]=a)})}}),this.dataFound())},parseTable:function(){var a=this.options,b=a.table,d=this.columns,c=a.startRow||0,g=a.endRow||Number.MAX_VALUE,f=a.startColumn||0,j=a.endColumn||Number.MAX_VALUE,i;b&&(typeof b==="string"&&(b=document.getElementById(b)),l(b.getElementsByTagName("tr"),function(a,b){i=
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0;b>=c&&b<=g&&l(a.childNodes,function(a){if((a.tagName==="TD"||a.tagName==="TH")&&i>=f&&i<=j)d[i]||(d[i]=[]),d[i][b-c]=a.innerHTML,i+=1})}),this.dataFound())},parseGoogleSpreadsheet:function(){var a=this,b=this.options,d=b.googleSpreadsheetKey,c=this.columns;d&&jQuery.getJSON("https://spreadsheets.google.com/feeds/cells/"+d+"/"+(b.googleSpreadsheetWorksheet||"od6")+"/public/values?alt=json-in-script&callback=?",function(b){var b=b.feed.entry,d,j=b.length,i=0,k=0,e;for(e=0;e<j;e++)d=b[e],i=Math.max(i,
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d.gs$cell.col),k=Math.max(k,d.gs$cell.row);for(e=0;e<i;e++)c[e]=Array(k);for(e=0;e<j;e++)d=b[e],c[d.gs$cell.col-1][d.gs$cell.row-1]=d.content.$t;a.dataFound()})},findHeaderRow:function(){l(this.columns,function(){});this.headerRow=0},trim:function(a){return typeof a==="string"?a.replace(/^\s+|\s+$/g,""):a},parseTypes:function(){for(var a=this.columns,b=a.length,d,c,g,f;b--;)for(d=a[b].length;d--;)c=a[b][d],g=parseFloat(c),f=this.trim(c),f==g?(a[b][d]=g,g>31536E6?a[b].isDatetime=!0:a[b].isNumeric=
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!0):(c=this.parseDate(c),b===0&&typeof c==="number"&&!isNaN(c)?(a[b][d]=c,a[b].isDatetime=!0):a[b][d]=f)},dateFormats:{"YYYY-mm-dd":{regex:"^([0-9]{4})-([0-9]{2})-([0-9]{2})$",parser:function(a){return Date.UTC(+a[1],a[2]-1,+a[3])}}},parseDate:function(a){var b=this.options.parseDate,d,c,g;b&&(d=b);if(typeof a==="string")for(c in this.dateFormats)b=this.dateFormats[c],(g=a.match(b.regex))&&(d=b.parser(g));return d},rowsToColumns:function(a){var b,d,c,g,f;if(a){f=[];d=a.length;for(b=0;b<d;b++){g=a[b].length;
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for(c=0;c<g;c++)f[c]||(f[c]=[]),f[c][b]=a[b][c]}}return f},parsed:function(){this.options.parsed&&this.options.parsed.call(this,this.columns)},complete:function(){var a=this.columns,b,d,c,g,f=this.options,j,i,k,e,h;if(f.complete){a.length>1&&(c=a.shift(),this.headerRow===0&&c.shift(),(b=c.isNumeric||c.isDatetime)||(d=c),c.isDatetime&&(g="datetime"));j=[];for(e=0;e<a.length;e++){this.headerRow===0&&(k=a[e].shift());i=[];for(h=0;h<a[e].length;h++)i[h]=a[e][h]!==void 0?b?[c[h],a[e][h]]:a[e][h]:null;
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j[e]={name:k,data:i}}f.complete({xAxis:{categories:d,type:g},series:j})}}});h.Data=m;h.data=function(a){return new m(a)};h.wrap(h.Chart.prototype,"init",function(a,b,d){var c=this;b&&b.data?h.data(h.extend(b.data,{complete:function(g){var f=[];l(g.series,function(a,b){f[b]=a.data;a.data=null});b=h.merge(g,b);l(f,function(a,c){b.series[c].data=a});a.call(c,b,d)}})):a.call(c,b,d)})})(Highcharts);
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