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@tps2015gh
Last active April 12, 2017 21:08
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setup

  • install vim (exe on windows ) , or notepad++ or visual studio code or SubLime or ELSE
  • npm init
  • npm install electron --save
  • npm install electron --save-dev
  • install electron ( exe for windows OS )

check config

  • vim package.json ( for view )
  • npm install

coding

  • add app.js (with code )
  • add index.html ( with code )

run

  • electron .

version

  • node --version [enter key ] ==> return v4.4.7
const {app, BrowserWindow} = require('electron')
const path = require('path')
const url = require('url')
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let win
let child
let contents
let ipc = require('electron').ipcMain;
ipc.on('invokeAction', function(event, data){
console.log(" app.js: ipc on invoke action ");
var result = "ThisIsResult From app.js"
+ " ( Time=" + get_datetime_str() + ")";
//var result = processData(data);
event.sender.send('actionReply', result);
console.log("app.js : send return " + result );
});
function createWindow () {
// Create the browser window.
var win_config = {width: 800, height: 450
, backgroundColor: '#cefcc9'
};
win = new BrowserWindow(win_config)
var child_config = {width: 700, height: 200 , parent : win
, modal: false , show: false
}
child = new BrowserWindow( child_config )
child.loadURL('https://github.com')
// and load the index.html of the app.
win.loadURL('file://' + __dirname + '/index.html');
// Open the DevTools.
// win.webContents.openDevTools()
contents = win.webContents ;
win.on('ready-to-show', (e,cmd) => {
console.log ("ev: ready-to-show");
// console.log(" contents = [" + contents + "]" );
})
win.on('click', () => {
console.log('ev: click ' );
child.show()
});
win.on('move', (e, cmd) => {
var xy = win.getPosition()
// console.log("ev: move " + xy[0] + "," + xy[1] );
});
// Emitted when the window is closed.
win.on('closed', () => {
// Dereference the window object, usually you would store windows
// in an array if your app supports multi windows, this is the time
// when you should delete the corresponding element.
win = null
})
//============================================
// contents
contents.on('dom-ready',()=> {
console.log("ev: dom-ready");
});
}
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow)
app.once('ready-to-show' , () => {
win.show()
})
// Quit when all windows are closed.
app.on('window-all-closed', () => {
// On macOS it is common for applications and their menu bar
// to stay active until the user quits explicitly with Cmd + Q
if (process.platform !== 'darwin') {
app.quit()
}
})
app.on('activate', () => {
// On macOS it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (win === null) {
createWindow()
}
})
// REF : http://stackoverflow.com/questions/10645994/node-js-how-to-format-a-date-string-in-utc
function get_datetime_str(){
var str1 = new Date().toISOString().
replace(/T/, ' '). // replace T with a space
replace(/\..+/, '') // delete the dot and everything after
return str1 ;
}
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Hello World!</title>
<style>
#d1 {background-color:orange;
border: 1px solid silver;
font-size:25px;
}
#bt1 {font-size:25px;}
</style>
</head>
<body onload="on_ready()">
<script>
// REF: http://stackoverflow.com/questions/32780726/how-to-access-dom-elements-in-electron
let ipc
ipc = require('electron').ipcRenderer;
function on_ready(){
var bt1 = document.getElementById('bt1');
alert("bt1 is : " + bt1);
bt1.addEventListener('click', function(){
console.log("html-click");
ipc.once('actionReply', function(event, response){
console.log("index.html ==> actionReply ok from server" );
//processResponse(response);
var d1 = document.getElementById("d1");
d1.innerHTML = "return = [" + response + "]" ;
})
console.log("before send ( ) ");
ipc.send('invokeAction', 'someData');
});
}
</script>
<h1>Hello World!</h1>
We are using node <script>document.write(process.versions.node)</script>,
Chrome <script>document.write(process.versions.chrome)</script>,
and Electron <script>document.write(process.versions.electron)</script>.
<hr>
d1 is below : [<div id="d1">d1</div>]
<br><br>
<button id="bt1"> click button to process input : bt1 </button>
<br>
<br>
</body>
</html>
{
"name": "gui",
"version": "1.0.0",
"description": "",
"main": "app.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "Thitipong Samranvanich",
"license": "ISC",
"devDependencies": {
"electron": "^1.6.2",
"electron-packager": "^8.6.0"
},
"dependencies": {
"electron": "^1.6.2"
}
}
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