<!DOCTYPE html>
<!-- sheetjs (C) SheetJS https://sheetjs.com -->
<!-- vim: set ts=2: -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>SheetJS + x-spreadsheet 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>
<!-- x-spreadsheet stylesheet -->
<link rel="stylesheet" href="https://unpkg.com/x-data-spreadsheet/dist/xspreadsheet.css"/>
</head>
<body>
<pre>
<b><a href="https://sheetjs.com">SheetJS + x-spreadsheet Demo</a></b>

<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>
</pre>
<p><input type="submit" value="Export to XLSX!" id="xport" onclick="export_xlsx();"></p>
<div id="htmlout"></div>
<br />
<script src="https://unpkg.com/x-data-spreadsheet/dist/xspreadsheet.js"></script>
<script src="https://cdn.sheetjs.com/xlsx-latest/package/dist/shim.min.js"></script>
<script src="https://cdn.sheetjs.com/xlsx-latest/package/dist/xlsx.full.min.js"></script>
<script src="https://cdn.sheetjs.com/xspreadsheet/xlsxspread.min.js"></script>
<script>
/*jshint browser:true */
/* eslint-env browser */
/* eslint no-use-before-define:0 */
/*global Uint8Array, Uint16Array, ArrayBuffer */
/*global XLSX */

var HTMLOUT = document.getElementById('htmlout');
var xspr = x_spreadsheet(HTMLOUT);
HTMLOUT.style.height = (window.innerHeight - 400) + "px";
HTMLOUT.style.width = (window.innerWidth - 50) + "px";

var process_wb = (function() {
  var XPORT = document.getElementById('xport');

  return function process_wb(wb) {
    /* convert to x-spreadsheet form */
    var data = stox(wb);

    /* update x-spreadsheet */
    xspr.loadData(data);
    XPORT.disabled = false;

    if(typeof console !== 'undefined') console.log("output", new Date());
  };
})();

var do_file = (function() {
  return function do_file(files) {
    var f = files[0];
    var reader = new FileReader();
    reader.onload = function(e) {
      if(typeof console !== 'undefined') console.log("onload", new Date());
      var data = e.target.result;
      process_wb(XLSX.read(data));
    };
    reader.readAsArrayBuffer(f);
  };
})();

(function() {
  var drop = document.getElementById('drop');
  if(!drop.addEventListener) return;

  function handleDrop(e) {
    e.stopPropagation();
    e.preventDefault();
    do_file(e.dataTransfer.files);
  }

  function handleDragover(e) {
    e.stopPropagation();
    e.preventDefault();
    e.dataTransfer.dropEffect = 'copy';
  }

  drop.addEventListener('dragenter', handleDragover, false);
  drop.addEventListener('dragover', handleDragover, false);
  drop.addEventListener('drop', handleDrop, false);
})();

(function() {
  var xlf = document.getElementById('xlf');
  if(!xlf.addEventListener) return;
  function handleFile(e) { do_file(e.target.files); }
  xlf.addEventListener('change', handleFile, false);
})();

(function() {
  try {
    fetch("https://sheetjs.com/pres.numbers")
      .then(function(res) { return res.arrayBuffer(); })
      .then(function(ab) { process_wb(XLSX.read(ab)); });
  } catch(e) {}
})();

function export_xlsx() {
  var new_wb = xtos(xspr.getData());

  /* write file and trigger a download */
  XLSX.writeFile(new_wb, 'sheetjs.xlsx', {});
}
</script>
<script type="text/javascript">
/* eslint no-use-before-define:0 */
  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>