sheetjs_sheetjs/datagrid.html

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<!DOCTYPE html>
<!-- xlsx.js (C) 2013-present SheetJS http://sheetjs.com -->
<!-- vim: set ts=2: -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>SheetJS + canvas-datagrid Live Demo</title>
<style>
#drop{
border:2px dashed #bbb;
-moz-border-radius:5px;
-webkit-border-radius:5px;
border-radius:5px;
padding:25px;
text-align:center;
font:20pt bold,"Vollkorn";color:#bbb
}
#b64data{
width:100%;
}
a { text-decoration: none }
</style>
</head>
<body>
<pre>
<b><a href="http://sheetjs.com">SheetJS Data Preview Live Demo</a></b>
<a href="https://github.com/TonyGermaneri/canvas-datagrid">canvas-datagrid component library</a>
<a href="https://github.com/SheetJS/js-xlsx">Source Code Repo</a>
<a href="https://github.com/SheetJS/js-xlsx/issues">Issues? Something look weird? Click here and report an issue</a>
<div id="drop">Drop a spreadsheet file here to see sheet data</div>
<input type="file" name="xlfile" id="xlf" /> ... or click here to select a file
<textarea id="b64data">... or paste a base64-encoding here</textarea>
<input type="button" id="dotext" value="Click here to process the base64 text" onclick="b64it();"/><br />
<b>Advanced Demo Options:</b>
Use readAsBinaryString: (when available) <input type="checkbox" name="userabs" checked>
</pre>
<p><input type="submit" value="Export to XLSX!" id="xport" onclick="doit();" disabled="true"></p>
<div id="htmlout"></div>
<br />
<script src="https://unpkg.com/canvas-datagrid/dist/canvas-datagrid.js"></script>
<script type="text/javascript" src="https://rawgit.com/eligrey/Blob.js/master/Blob.js"></script>
<script type="text/javascript" src="https://rawgit.com/eligrey/FileSaver.js/master/FileSaver.js"></script>
<script src="xlsx.full.min.js"></script>
<script>
/*jshint browser:true */
/* eslint-env browser */
/* eslint no-use-before-define:0 */
/*global Uint8Array, Uint16Array, ArrayBuffer */
/*global XLSX */
var X = XLSX;
var rABS = typeof FileReader !== "undefined" && typeof FileReader.prototype !== "undefined" && typeof FileReader.prototype.readAsBinaryString !== "undefined";
if(!rABS) {
document.getElementsByName("userabs")[0].disabled = true;
document.getElementsByName("userabs")[0].checked = false;
}
var wtf_mode = false;
function fixdata(data) {
var o = "", l = 0, w = 10240;
for(; l<data.byteLength/w; ++l) o+=String.fromCharCode.apply(null,new Uint8Array(data.slice(l*w,l*w+w)));
o+=String.fromCharCode.apply(null, new Uint8Array(data.slice(l*w)));
return o;
}
function ab2str(data) {
var o = "", l = 0, w = 10240;
for(; l<data.byteLength/w; ++l) o+=String.fromCharCode.apply(null,new Uint16Array(data.slice(l*w,l*w+w)));
o+=String.fromCharCode.apply(null, new Uint16Array(data.slice(l*w)));
return o;
}
function s2ab(s) {
var b = new ArrayBuffer(s.length), v = new Uint8Array(b);
for (var i=0; i != s.length; ++i) v[i] = s.charCodeAt(i) & 0xFF;
return b;
}
function get_radio_value( radioName ) {
var radios = document.getElementsByName( radioName );
for( var i = 0; i < radios.length; i++ ) {
if( radios[i].checked || radios.length === 1 ) {
return radios[i].value;
}
}
}
var tarea = document.getElementById('b64data');
function b64it() {
if(typeof console !== 'undefined') console.log("onload", new Date());
var wb = X.read(tarea.value, {type: 'base64',WTF:wtf_mode});
process_wb(wb);
}
window.b64it = b64it;
var global_wb;
var cDg;
function process_wb(wb) {
global_wb = wb;
var ws = wb.Sheets[wb.SheetNames[0]];
var data = XLSX.utils.sheet_to_json(ws, {header:1});
if(!cDg) cDg = canvasDatagrid({ parentNode:document.getElementById('htmlout'), data:data });
else cDg.data = data;
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var range = XLSX.utils.decode_range(ws['!ref']);
for(var i = range.s.c; i <= range.e.c; ++i) cDg.schema[i - range.s.c].title = XLSX.utils.encode_col(i);
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document.getElementById('xport').disabled = false;
if(typeof console !== 'undefined') console.log("output", new Date());
}
function doit() {
var new_wb = XLSX.utils.book_new();
var new_ws = XLSX.utils.aoa_to_sheet(cDg.data);
XLSX.utils.book_append_sheet(new_wb, new_ws, 'SheetJS');
var wbout = XLSX.write(new_wb, {bookType:'xlsx', bookSST:true, type:'binary'});
var fname = 'sheetjs.xlsx';
try {
saveAs(new Blob([s2ab(wbout)],{type:"application/octet-stream"}), fname);
} catch(e) { if(typeof console != 'undefined') console.log(e, wbout); }
}
var drop = document.getElementById('drop');
function handleDrop(e) {
e.stopPropagation();
e.preventDefault();
rABS = document.getElementsByName("userabs")[0].checked;
var files = e.dataTransfer.files;
var f = files[0];
{
var reader = new FileReader();
//var name = f.name;
reader.onload = function(e) {
if(typeof console !== 'undefined') console.log("onload", new Date(), rABS);
var data = e.target.result;
{
var wb;
if(rABS) {
wb = X.read(data, {type: 'binary'});
} else {
var arr = fixdata(data);
wb = X.read(btoa(arr), {type: 'base64'});
}
process_wb(wb);
}
};
if(rABS) reader.readAsBinaryString(f);
else reader.readAsArrayBuffer(f);
}
}
function handleDragover(e) {
e.stopPropagation();
e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
}
if(drop.addEventListener) {
drop.addEventListener('dragenter', handleDragover, false);
drop.addEventListener('dragover', handleDragover, false);
drop.addEventListener('drop', handleDrop, false);
}
var xlf = document.getElementById('xlf');
function handleFile(e) {
rABS = document.getElementsByName("userabs")[0].checked;
var files = e.target.files;
var f = files[0];
{
var reader = new FileReader();
//var name = f.name;
reader.onload = function(e) {
if(typeof console !== 'undefined') console.log("onload", new Date(), rABS);
var data = e.target.result;
{
var wb;
if(rABS) {
wb = X.read(data, {type: 'binary'});
} else {
var arr = fixdata(data);
wb = X.read(btoa(arr), {type: 'base64'});
}
process_wb(wb);
}
};
if(rABS) reader.readAsBinaryString(f);
else reader.readAsArrayBuffer(f);
}
}
if(xlf.addEventListener) xlf.addEventListener('change', handleFile, false);
</script>
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-36810333-1']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
</body>
</html>