2022-08-01 05:34:23 +00:00
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<!DOCTYPE html>
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2022-10-20 18:47:20 +00:00
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<!-- sheetjs (C) 2013-present SheetJS https://sheetjs.com -->
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2022-08-01 05:34:23 +00:00
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<!-- vim: set ts=2: -->
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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2024-04-26 04:16:13 +00:00
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<meta name="robots" content="noindex"/>
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2022-08-01 05:34:23 +00:00
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<title>SheetJS + canvas-datagrid Live Demo</title>
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<style>
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#drop{
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2022-08-08 06:59:57 +00:00
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border:2px dashed #bbb;
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-moz-border-radius:5px;
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-webkit-border-radius:5px;
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border-radius:5px;
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padding:25px;
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text-align:center;
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font:20pt bold,"Vollkorn";color:#bbb
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2022-08-01 05:34:23 +00:00
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}
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#b64data{
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width:100%;
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}
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a { text-decoration: none }
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</style>
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</head>
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<body>
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<pre>
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2022-10-20 18:47:20 +00:00
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<b><a href="https://sheetjs.com">SheetJS + canvas-datagrid Demo</a></b>
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2022-08-01 05:34:23 +00:00
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<div id="drop">Drop a spreadsheet file here to see sheet data</div>
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<input type="file" name="xlfile" id="xlf" /> ... or click here to select a file
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<textarea id="b64data">... or paste a base64-encoding here</textarea>
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<b>Advanced Demo Options:</b>
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</pre>
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<p><input type="submit" value="Export to XLSX!" id="xport" onclick="export_xlsx();" disabled="true"></p>
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<div id="htmlout"></div>
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<br />
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<script src="https://unpkg.com/canvas-datagrid/dist/canvas-datagrid.js"></script>
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<script src="https://cdn.sheetjs.com/xlsx-latest/package/dist/shim.min.js"></script>
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<script src="https://cdn.sheetjs.com/xlsx-latest/package/dist/xlsx.full.min.js"></script>
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<script>
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/*jshint browser:true */
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/* eslint-env browser */
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/* eslint no-use-before-define:0 */
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/*global Uint8Array, Uint16Array, ArrayBuffer */
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/*global XLSX */
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var cDg;
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var process_wb = (function() {
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var XPORT = document.getElementById('xport');
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var HTMLOUT = document.getElementById('htmlout');
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return function process_wb(wb) {
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/* get data */
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var ws = wb.Sheets[wb.SheetNames[0]];
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var data = XLSX.utils.sheet_to_json(ws, {header:1});
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/* update canvas-datagrid */
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if(!cDg) cDg = canvasDatagrid({ parentNode:HTMLOUT, data:data });
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cDg.style.height = '100%';
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cDg.style.width = '100%';
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cDg.data = data;
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XPORT.disabled = false;
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/* create schema (for A,B,C column headings) */
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var range = XLSX.utils.decode_range(ws['!ref']);
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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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HTMLOUT.style.height = (window.innerHeight - 400) + "px";
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HTMLOUT.style.width = (window.innerWidth - 50) + "px";
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if(typeof console !== 'undefined') console.log("output", new Date());
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};
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})();
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var do_file = (function() {
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return function do_file(files) {
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var f = files[0];
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var reader = new FileReader();
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reader.onload = function(e) {
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if(typeof console !== 'undefined') console.log("onload", new Date());
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var data = e.target.result;
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data = new Uint8Array(data);
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process_wb(XLSX.read(data, {type: 'array'}));
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};
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reader.readAsArrayBuffer(f);
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};
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})();
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(function() {
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var drop = document.getElementById('drop');
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if(!drop.addEventListener) return;
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function handleDrop(e) {
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e.stopPropagation();
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e.preventDefault();
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do_file(e.dataTransfer.files);
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}
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function handleDragover(e) {
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e.stopPropagation();
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e.preventDefault();
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e.dataTransfer.dropEffect = 'copy';
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}
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drop.addEventListener('dragenter', handleDragover, false);
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drop.addEventListener('dragover', handleDragover, false);
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drop.addEventListener('drop', handleDrop, false);
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2022-08-01 05:34:23 +00:00
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})();
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(function() {
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var xlf = document.getElementById('xlf');
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if(!xlf.addEventListener) return;
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function handleFile(e) { do_file(e.target.files); }
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xlf.addEventListener('change', handleFile, false);
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})();
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var export_xlsx = (function() {
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function prep(arr) {
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var out = [];
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for(var i = 0; i < arr.length; ++i) {
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if(!arr[i]) continue;
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if(Array.isArray(arr[i])) { out[i] = arr[i]; continue };
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var o = new Array();
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Object.keys(arr[i]).forEach(function(k) { o[+k] = arr[i][k] });
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out[i] = o;
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}
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return out;
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}
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return function export_xlsx() {
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if(!cDg) return;
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/* convert canvas-datagrid data to worksheet */
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var new_ws = XLSX.utils.aoa_to_sheet(prep(cDg.data));
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/* build workbook */
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var new_wb = XLSX.utils.book_new();
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XLSX.utils.book_append_sheet(new_wb, new_ws, 'SheetJS');
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/* write file and trigger a download */
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XLSX.writeFile(new_wb, 'SheetJSCanvasDataGridExport.xlsx', {bookSST:true});
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};
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})();
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(async() => {
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2024-04-26 04:16:13 +00:00
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const ab = await(await fetch("https://docs.sheetjs.com/pres.numbers")).arrayBuffer();
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process_wb(XLSX.read(ab));
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})();
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</script>
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<script type="text/javascript">
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/* eslint no-use-before-define:0 */
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var _gaq = _gaq || [];
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_gaq.push(['_setAccount', 'UA-36810333-1']);
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_gaq.push(['_trackPageview']);
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(function() {
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var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
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ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
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var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
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})();
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2022-08-01 05:34:23 +00:00
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</script>
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</body>
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</html>
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