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Update electron demo (#2027) 

* Update electron demo to version 9

[ci skip]

Co-authored-by: Ian Jennings <ian@meetjennings.com>
This commit is contained in:
Srijon Saha 2020-06-28 00:22:46 -07:00 committed by GitHub
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commit 5b1440a186
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5 changed files with 33 additions and 31 deletions
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8
demos/electron/README.md
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@ -1,9 +1,11 @@
# Electron
This library is compatible with Electron and should just work out of the box.
The demonstration uses Electron 1.7.5. The library is added via `require` from
the render process. It can also be required from the main process, as shown in
this demo to render a version string in the About dialog on OSX.
The demonstration uses Electron 9.0.5. The library is added via `require` from
the renderer process. Note that Electron now requires `nodeIntegration: true`
in order to `require('XLSX')` in the renderer process. It can also be required
from the main process, as shown in this demo to render a version string in the
About dialog on OSX.
The standard HTML5 `FileReader` techniques from the browser apply to Electron.
This demo includes a drag-and-drop box as well as a file input box, mirroring

1
demos/electron/index.html
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@ -4,6 +4,7 @@
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta http-equiv="Content-Security-Policy" content="script-src 'self' https:">
<title>SheetJS Electron Demo</title>
<style>
#drop{

30
demos/electron/index.js
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@ -1,5 +1,5 @@
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
/*global Uint8Array, console */
/* 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');
@ -19,16 +19,6 @@ var process_wb = (function() {
};
})();
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];
@ -64,8 +54,8 @@ var do_file = (function() {
(function() {
var readf = document.getElementById('readf');
function handleF(/*e*/) {
var o = electron.dialog.showOpenDialog({
async function handleF(/*e*/) {
var o = await electron.dialog.showOpenDialog({
title: 'Select a file',
filters: [{
name: "Spreadsheets",
@ -73,7 +63,7 @@ var do_file = (function() {
}],
properties: ['openFile']
});
if(o.length > 0) process_wb(XLSX.readFile(o[0]));
if(o.filePaths.length > 0) process_wb(XLSX.readFile(o.filePaths[0]));
}
readf.addEventListener('click', handleF, false);
})();
@ -87,18 +77,18 @@ var do_file = (function() {
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() {
return async function() {
var wb = XLSX.utils.table_to_book(HTMLOUT);
var o = electron.dialog.showSaveDialog({
var o = await 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"] });
console.log(o.filePath);
XLSX.writeFile(wb, o.filePath);
electron.dialog.showMessageBox({ message: "Exported data to " + o.filePath, buttons: ["OK"] });
};
})();
void export_xlsx;

18
demos/electron/main.js
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@ -7,14 +7,20 @@ var app = electron.app;
var win = null;
function createWindow() {
if(win) return;
win = new electron.BrowserWindow({width:800, height:600});
if (win) return;
win = new electron.BrowserWindow({
width: 800, height: 600,
webPreferences: {
nodeIntegration: true,
enableRemoteModule: true
}
});
win.loadURL("file://" + __dirname + "/index.html");
win.webContents.openDevTools();
win.on('closed', function() { win = null; });
win.on('closed', function () { win = null; });
}
if(app.setAboutPanelOptions) app.setAboutPanelOptions({ applicationName: 'sheetjs-electron', applicationVersion: "XLSX " + XLSX.version, copyright: "(C) 2017-present SheetJS LLC" });
app.on('open-file', function() { console.log(arguments); });
if (app.setAboutPanelOptions) app.setAboutPanelOptions({ applicationName: 'sheetjs-electron', applicationVersion: "XLSX " + XLSX.version, copyright: "(C) 2017-present SheetJS LLC" });
app.on('open-file', function () { console.log(arguments); });
app.on('ready', createWindow);
app.on('activate', createWindow);
app.on('window-all-closed', function() { if(process.platform !== 'darwin') app.quit(); });
app.on('window-all-closed', function () { if (process.platform !== 'darwin') app.quit(); });

7
demos/electron/package.json
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@ -4,7 +4,10 @@
"version": "0.0.0",
"main": "main.js",
"dependencies": {
"electron": "~1.7.x",
"xlsx": "*"
"xlsx": "*",
"electron": "^9.0.5"
},
"scripts": {
"start": "electron ."
}
}