# Visual Programming Editors
[![build](https://github.com/Max-ChenFei/VisualProgrammingEditor/actions/workflows/build.yml/badge.svg)](https://github.com/Max-ChenFei/VisualProgrammingEditor/actions/workflows/build.yml)

This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).

## Available Scripts

In the project directory, you can run:

### `npm start`

Runs the app in the development mode.
Open [http://localhost:3000](http://localhost:3000) to view it in the browser.

The page will reload if you make edits.
You will also see any lint errors in the console.

### `npm test`

Launches the test runner in the interactive watch mode.
See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.

### `npm run build`

Builds the app for production to the `build` folder.
It correctly bundles React in production mode and optimizes the build for the best performance.

The build is minified and the filenames include the hashes.
Your app is ready to be deployed!

See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.

## Interaction

### View

* pan: right mouse button holding
* zoom: wheel mouse buttion
* focus change by tab press
* node move by arrow keys or drag by left mouse button

### Selection

* select element by left mouse click or Enter key press
* multiple selection by left mouse button click + shift key press
* marquee selecton by left mouse buttion hold and drag
* selection all by Ctrl+A
* cancel all selection by click the background or press Escape

### Connection

* drag the line for one handle to the other one by holding the left button

### Delete

- Delete key press


- [X] Node Move         left mouse button drag
