52 lines
2.4 KiB
JavaScript
52 lines
2.4 KiB
JavaScript
(function(){
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var cache = {};
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this.tmpl = function tmpl(str, data){
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// Figure out if we're getting a template, or if we need to
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// load the template - and be sure to cache the result.
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var fn = !/\W/.test(str) ?
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cache[str] = cache[str] ||
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tmpl(document.getElementById(str).innerHTML) :
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// Generate a reusable function that will serve as a template
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// generator (and which will be cached).
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new Function("obj",
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"var p=[],print=function(){p.push.apply(p,arguments);};" +
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// Introduce the data as local variables using with(){}
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"with(obj){p.push('" +
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// Convert the template into pure JavaScript
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str.replace(/[\r\t\n]/g, " ")
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.split("{{").join("\t")
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.replace(/((^|}})[^\t]*)'/g, "$1\r")
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.replace(/\t=(.*?)}}/g, "',$1,'")
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.split("\t").join("');")
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.split("}}").join("p.push('")
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.split("\r").join("\\'")
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+ "');}return p.join('');");
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// Provide some basic currying to the user
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return data ? fn( data ) : fn;
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};
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})();
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var tableToExcel = (function() {
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var uri = 'data:application/vnd.ms-excel;base64,',
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template = '<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{{=worksheet}}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body>{{for(var i=0; i<tables.length;i++){ }}<table>{{=tables[i]}}</table>{{ } }}</body></html>',
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base64 = function(s) {
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var bytes = new TextEncoder().encode(s);
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var binary = '';
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bytes.forEach(function(byte) { binary += String.fromCharCode(byte); });
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return window.btoa(binary);
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},
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format = function(s, c) { return s.replace(/{(\w+)}/g, function(m, p) { return c[p]; }) }
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return function(tableList, name) {
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if (!tableList.length>0 && !tableList[0].nodeType) table = document.getElementById(table)
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var tables = [];
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for(var i=0; i<tableList.length; i++){tables.push(tableList[i].innerHTML);}
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var ctx = {worksheet: name || 'Worksheet', tables: tables};
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window.location.href = uri + base64(tmpl(template, ctx));
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}
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})();
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