xsheetjs/demos/electron/index.js

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/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
/*global Uint8Array, console */
/* exported export_xlsx */
/* eslint no-use-before-define:0 */
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var XLSX = require('xlsx');
var electron = require('electron').remote;
var process_wb = (function() {
var HTMLOUT = document.getElementById('htmlout');
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var XPORT = document.getElementById('xport');
return function process_wb(wb) {
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XPORT.disabled = false;
HTMLOUT.innerHTML = "";
wb.SheetNames.forEach(function(sheetName) {
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var htmlstr = XLSX.utils.sheet_to_html(wb.Sheets[sheetName],{editable:true});
HTMLOUT.innerHTML += htmlstr;
});
};
})();
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);
})();
var do_file = (function() {
return function do_file(files) {
var f = files[0];
var reader = new FileReader();
reader.onload = function(e) {
var data = e.target.result;
data = new Uint8Array(data);
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process_wb(XLSX.read(data, {type: 'array'}));
};
reader.readAsArrayBuffer(f);
};
})();
(function() {
var drop = document.getElementById('drop');
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 readf = document.getElementById('readf');
function handleF(/*e*/) {
var o = electron.dialog.showOpenDialog({
title: 'Select a file',
filters: [{
name: "Spreadsheets",
extensions: "xls|xlsx|xlsm|xlsb|xml|xlw|xlc|csv|txt|dif|sylk|slk|prn|ods|fods|uos|dbf|wks|123|wq1|qpw|htm|html".split("|")
}],
properties: ['openFile']
});
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if(o.length > 0) process_wb(XLSX.readFile(o[0]));
}
readf.addEventListener('click', handleF, false);
})();
(function() {
var xlf = document.getElementById('xlf');
function handleFile(e) { do_file(e.target.files); }
xlf.addEventListener('change', handleFile, false);
})();
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var export_xlsx = (function() {
var HTMLOUT = document.getElementById('htmlout');
var XTENSION = "xls|xlsx|xlsm|xlsb|xml|csv|txt|dif|sylk|slk|prn|ods|fods|htm|html".split("|")
return function() {
var wb = XLSX.utils.table_to_book(HTMLOUT);
var o = electron.dialog.showSaveDialog({
title: 'Save file as',
filters: [{
name: "Spreadsheets",
extensions: XTENSION
}]
});
console.log(o);
XLSX.writeFile(wb, o);
electron.dialog.showMessageBox({ message: "Exported data to " + o, buttons: ["OK"] });
};
})();
void export_xlsx;