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main.js
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/**
* Arquivo: main.js
* Data: 18/10/2018
* Descrição: arquivo responsável por executar a aplicação Electron
* Author: Glaucia Lemos
*/
const electron = require('electron');
const app = require('electron').app;
const BrowserWindow = require('electron').BrowserWindow;
const $ = require('jquery');
const path = require('path');
// Variáveis responsáveis pela Impressão com Electron:
const fs = require('fs');
const os = require('os');
const ipc = electron.ipcMain;
const shell = electron.shell;
let mainWindow = null;
function createWindow() {
mainWindow = new BrowserWindow({
width: 800,
height: 600,
minWidth: 800,
minHeight: 600,
backgroundColor: '#000000',
show: false,
icon: path.join(__dirname, '/src/assets/icons/png/zoox-icon.png'),
});
mainWindow.once('ready-to-show', () => {
mainWindow.show();
});
mainWindow.loadURL(`file://${__dirname}/src/index.html`);
mainWindow.webContents.openDevTools();
mainWindow.on('closed', () => {
mainWindow = null;
});
}
app.on('ready', createWindow);
app.on('window-all-closed', () => {
if (process.platform !== 'darwin') {
app.quit();
}
});
app.on('active', () => {
if (mainWindow === null) {
createWindow();
}
});
// Lógica inerente a impressão em PDF com Electron:
ipc.on('print-to-pdf', (evt) => {
const pdfPath = path.join(os.tmpdir(), 'print.pdf');
const win = BrowserWindow.fromWebContents(evt.sender);
win.webContents.printToPDF({}, (error, data) => {
if (error) return console.log(error.message);
fs.writeFile(pdfPath, data, (err) => {
if (err) return console.log(err.message);
shell.openExternal(`file://${pdfPath}`);
evt.sender.send('wrote-pdf', pdfPath);
});
});
});