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Fix write not working and refactor 

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This commit is contained in:
Srijon Saha 2020-07-07 00:49:36 -07:00 committed by Srijon Saha
parent 57b296e5b5
commit 9add78a290
2 changed files with 74 additions and 89 deletions
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6
demos/electron/index.html
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@ -26,12 +26,12 @@ a { text-decoration: none }
<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>
<br />
<button id="readf">Click here to select a file from your computer</button><br />
<button id="readBtn">Click here to select a file from your computer</button><br />
<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
<input type="file" name="xlfile" id="readIn" /> ... or click here to select a file
</pre>
<p><input type="submit" value="Export Data!" id="xport" onclick="export_xlsx();" disabled="true"></p>
<p><input type="submit" value="Export Data!" id="exportBtn" disabled="true"></p>
<div id="htmlout"></div>
<br />
<script src="index.js"></script>

157
demos/electron/index.js
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@ -1,94 +1,79 @@
/* xlsx.js (C) 2013-present SheetJS -- https://sheetjs.com */
/* global Uint8Array, console */
/* exported export_xlsx */
/* eslint no-use-before-define:0 */
var XLSX = require('xlsx');
var electron = require('electron').remote;
const XLSX = require('xlsx');
const electron = require('electron').remote;
var process_wb = (function() {
var HTMLOUT = document.getElementById('htmlout');
var XPORT = document.getElementById('xport');
const EXTENSIONS = "xls|xlsx|xlsm|xlsb|xml|csv|txt|dif|sylk|slk|prn|ods|fods|htm|html".split("|");
return function process_wb(wb) {
XPORT.disabled = false;
HTMLOUT.innerHTML = "";
wb.SheetNames.forEach(function(sheetName) {
var htmlstr = XLSX.utils.sheet_to_html(wb.Sheets[sheetName],{editable:true});
HTMLOUT.innerHTML += htmlstr;
});
const processWb = function(wb) {
const HTMLOUT = document.getElementById('htmlout');
const XPORT = document.getElementById('exportBtn');
XPORT.disabled = false;
HTMLOUT.innerHTML = "";
wb.SheetNames.forEach(function(sheetName) {
const htmlstr = XLSX.utils.sheet_to_html(wb.Sheets[sheetName],{editable:true});
HTMLOUT.innerHTML += htmlstr;
});
};
const readFile = function(files) {
const f = files[0];
const reader = new FileReader();
reader.onload = function(e) {
let data = e.target.result;
data = new Uint8Array(data);
processWb(XLSX.read(data, {type: 'array'}));
};
})();
reader.readAsArrayBuffer(f);
};
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);
process_wb(XLSX.read(data, {type: 'array'}));
};
reader.readAsArrayBuffer(f);
};
})();
const handleReadBtn = async function() {
const o = await electron.dialog.showOpenDialog({
title: 'Select a file',
filters: [{
name: "Spreadsheets",
extensions: EXTENSIONS
}],
properties: ['openFile']
});
if(o.filePaths.length > 0) processWb(XLSX.readFile(o.filePaths[0]));
};
(function() {
var drop = document.getElementById('drop');
const exportXlsx = async function() {
const HTMLOUT = document.getElementById('htmlout');
const wb = XLSX.utils.table_to_book(HTMLOUT);
const o = await electron.dialog.showSaveDialog({
title: 'Save file as',
filters: [{
name: "Spreadsheets",
extensions: EXTENSIONS
}]
});
console.log(o.filePath);
XLSX.writeFile(wb, o.filePath);
electron.dialog.showMessageBox({ message: "Exported data to " + o.filePath, buttons: ["OK"] });
};
function handleDrop(e) {
e.stopPropagation();
e.preventDefault();
do_file(e.dataTransfer.files);
}
// add event listeners
const readBtn = document.getElementById('readBtn');
const readIn = document.getElementById('readIn');
const exportBtn = document.getElementById('exportBtn');
const drop = document.getElementById('drop');
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');
async function handleF(/*e*/) {
var o = await 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']
});
if(o.filePaths.length > 0) process_wb(XLSX.readFile(o.filePaths[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);
})();
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 async function() {
var wb = XLSX.utils.table_to_book(HTMLOUT);
var o = await electron.dialog.showSaveDialog({
title: 'Save file as',
filters: [{
name: "Spreadsheets",
extensions: XTENSION
}]
});
console.log(o.filePath);
XLSX.writeFile(wb, o.filePath);
electron.dialog.showMessageBox({ message: "Exported data to " + o.filePath, buttons: ["OK"] });
};
})();
void export_xlsx;
readBtn.addEventListener('click', handleReadBtn, false);
readIn.addEventListener('change', (e) => { readFile(e.target.files); }, false);
exportBtn.addEventListener('click', exportXlsx, false);
drop.addEventListener('dragenter', (e) => {
e.stopPropagation();
e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
}, false);
drop.addEventListener('dragover', (e) => {
e.stopPropagation();
e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
}, false);
drop.addEventListener('drop', (e) => {
e.stopPropagation();
e.preventDefault();
readFile(e.dataTransfer.files);
}, false);