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@trulysinclair
Last active September 9, 2024 19:29
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Super simple drag and drop
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Hello World!</title>
<meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline';" />
<link rel="stylesheet" href="style.css" />
</head>
<body>
<h1>Hello World!</h1>
<p>Drag the boxes below to somewhere in your OS (Finder/Explorer, Desktop, etc.) to copy an example markdown file.</p>
<div style="border:2px solid black;border-radius:3px;padding:5px;display:inline-block" draggable="true" id="drag1">
Drag me - File 1</div>
<div style="width: 500px; height: 500px;border: 2px solid black;" id="drop1">Drop</div>
<script src="renderer.js"></script>
</body>
</html>
const { app, BrowserWindow, ipcMain } = require('electron/main')
const path = require('node:path')
const fs = require('node:fs')
const https = require('node:https')
let win
function createWindow() {
win = new BrowserWindow({
width: 1920,
height: 1080,
webPreferences: {
preload: path.join(__dirname, 'preload.js')
}
})
win.loadFile('index.html')
win.webContents.openDevTools()
}
const iconName = path.join(__dirname, 'iconForDragAndDrop.png')
const icon = fs.createWriteStream(iconName)
// Create a new file to copy - you can also copy existing files.
fs.writeFileSync(path.join(__dirname, 'drag-and-drop-1.md'), '# First file to test drag and drop')
https.get('https://img.icons8.com/ios/452/drag-and-drop.png', (response) => {
response.pipe(icon)
})
app.whenReady().then(createWindow)
ipcMain.on('ondragend', (event, e) => {
console.log(e)
const newWin = new BrowserWindow({
width: 500,
height: 500,
x: e.screenX,
y: e.screenY
})
newWin.loadFile('index.html')
})
app.on('window-all-closed', () => {
if (process.platform !== 'darwin') {
app.quit()
}
})
app.on('activate', () => {
if (BrowserWindow.getAllWindows().length === 0) {
createWindow()
}
})
{
"name": "chemical-brass-relate-6u6gf",
"productName": "chemical-brass-relate-6u6gf",
"description": "My Electron application description",
"keywords": [],
"main": "./main.js",
"version": "1.0.0",
"author": "trulysinclair",
"scripts": {
"start": "electron ."
},
"dependencies": {},
"devDependencies": {
"electron": "32.0.1"
}
}
const { contextBridge, ipcRenderer } = require('electron/renderer')
contextBridge.exposeInMainWorld('electron', {
endDrag: (e) => ipcRenderer.send('ondragend', e)
})
let isSameWindow = false;
const drag1 = document.getElementById('drag1')
const drop1 = document.getElementById('drop1')
drag1.ondragstart = (event) => {
console.group('dragstart')
console.log(event)
console.groupEnd()
}
drop1.ondragover = (e) => {
e.preventDefault()
drop1.classList.add('dropping-el')
}
drop1.ondragleave = (e) => {
drop1.classList.remove('dropping-el')
}
drop1.ondrop = e => {
drop1.classList.remove('dropping-el')
}
document.addEventListener('dragend', (event) => {
event.preventDefault()
console.group('dragend')
console.log(event)
console.groupEnd()
if (!isSameWindow) {
window.electron.endDrag({
clientX: event.clientX,
clientY: event.clientY,
screenX: event.screenX,
screenY: event.screenY,
dataTransfer: event.dataTransfer.getData('text')
})
}
document.body.classList.remove('dropping-body')
})
document.addEventListener('dragover', event => {
// prevent default to allow drop
event.preventDefault()
document.body.classList.add('dropping-body')
isSameWindow = true
})
document.addEventListener('drop', (e) => {
// prevent default action (open as link for some elements)
e.preventDefault()
console.log('drop!')
document.body.classList.remove('dropping-body')
})
document.addEventListener('dragleave', () => {
document.body.classList.remove('dropping-body')
isSameWindow = false
})
/* Empty */
.dropping-body {
background-color: red;
}
#drop1 {
background-color: white
}
.dropping-el {
background-color: indigo !important;
}
body {
background-color: green;
}
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