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Saving and loading files in an Electron application
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Tsuri's Electron Note Sample App</title> | |
| <link href="./app.css" rel="stylesheet" /> | |
| <script src="app.js"></script> | |
| </head> | |
| <body> | |
| <h1>Welcome to note sample app!</h1> | |
| <p>Here you can read and write notes that are saved on your computer</p> | |
| <textarea id="note"></textarea> | |
| <hr/> | |
| <input type="button" id="save" value="Save note" /> | |
| <input type="button" id="load" value="Load note" /> | |
| </body> | |
| </html> |
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| 'use strict'; | |
| const fs = require('fs'), | |
| remote = require('remote'), | |
| dialog = remote.require('dialog'); | |
| document.addEventListener('DOMContentLoaded', function() { | |
| var btnLoad = document.getElementById('load'), | |
| btnSave = document.getElementById('save'), | |
| note = document.getElementById('note'); | |
| btnLoad.addEventListener('click', function () { | |
| dialog.showOpenDialog(function (filePaths) { | |
| if (filePaths === undefined) { | |
| return; | |
| } | |
| var filePath = filePaths[0]; | |
| try { | |
| note.value = fs.readFileSync(filePath, 'utf-8'); | |
| console.log('Loaded file:' + filePath) | |
| } catch (err) { | |
| console.log('Error reading the file: ' + JSON.stringify(err)); | |
| } | |
| }); | |
| }); | |
| btnSave.addEventListener('click', function () { | |
| dialog.showSaveDialog(function (filePath) { | |
| if (filePath === undefined) { | |
| return; | |
| } | |
| fs.writeFile(filePath, note.value, function (err) { | |
| if (err === undefined) { | |
| dialog.showMessageBox({ | |
| message: 'The file has been saved!', | |
| buttons: ['OK'] | |
| }); | |
| } else { | |
| dialog.showErrorBox('File save error', err.message); | |
| } | |
| }); | |
| }); | |
| }); | |
| }); |
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