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https://github.com/will-lumley/RichEditor

The macOS RichEditor library allows you to turn a native NSTextView into a full blown WYSIWYG editor.
https://github.com/will-lumley/RichEditor

macos nstextview rich-text-editor richeditor spm swift wysiwy

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The macOS RichEditor library allows you to turn a native NSTextView into a full blown WYSIWYG editor.

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README

        

![RichEditor: Customisable NSTextview WYSIWYG Editor](https://raw.githubusercontent.com/will-lumley/RichEditor/main/RichEditor.png)

# RichEditor


macOS - CI Status



SPM Compatible
Swift 5.5

Twitter

RichEditor is a WYSIWYG editor written in pure Swift. RichEditor is a direct subclass of `NSTextView` so you'll feel perfectly comfortable using it.

If you are developing a macOS application that uses an `NSTextView` and you want your users to be able to format their text, you are forced to use the `usesInspectorBar` property, which adds a formatting toolbar to your `NSTextView`.

However if you want to modify the UI or modify functionality at all, you'll soon find a dead-end. This is where `RichEditor` comes in.

Just drag `RichEditor` into your UI, and you can use RichEditors functionality to easily programatically control which parts of your text are formatted and how. From bolding and underlining to text alignment and text colour, you have control over your text view. You can create your own UI the way you want and connect your UI to the `RichEditor` functionality.

However if you want to use a template UI, RichEditor has one last trick up its sleeve for you. Simply call the `configureToolbar()` from your instance of `RichEditor` and you will have our pre-made toolbar ready to go!

RichEditor also handles the difficult logic of handling text formatting when a user has already highlighted a piece of text, or when you want to export the text with HTML formatting.

RichEditor allows you to control:
- [x] Bolding
- [x] Italics
- [x] Underlining
- [x] Font Selection
- [x] Font Size Selection
- [x] Text Alignment (Left, Centre, Right, Justified)
- [x] Text Colour
- [x] Text Highlight Colour
- [x] Link Insertion
- [x] Bullet Points
- [x] Text Strikethrough
- [x] Attachment Insertion

To do:
- [ ] Implement better bullet point formatting

You can see the provided `RichEditorToolbar` in action, as well as the export functionality in the screenshots below.
These screenshots are taken from the Example project that you can use in the repository in the Example directory.

Screen Shot 2022-01-25 at 4 00 14 pm
Screen Shot 2022-01-25 at 4 00 23 pm

## Usage

RichEditor is a direct subclass of `NSTextView` and as such, you can drag `NSTextView` into your storyboard and subclass it there, or you can directly instantiate `RichEditor` directly in your code using the initialisers from `NSTextView`.

### Exporting

RichEditor allows you to export the content of the `RichEditor` as a HTML. You can do this as follows.
```swift
let html = try richEditor.html()
```

`html()` returns an optional `String` type, and will `throw` in the event of an error.

### Format Types

Below is a walkthrough of formatting that RichEditor allows you to use.

----

**Bold**

`richEditor.toggleBold()`

----

**Italic**

`richEditor.toggleItalic()`

----

**Underline**

`richEditor.toggleUnderline(.single)`

`toggleUnderline(_)` takes `NSUnderlineStyle` as an argument, so you can specify which underline style should be applied.

----

**Strikethrough**

`richEditor.toggleStrikethrough(.single)`

`toggleStrikethrough(_)` takes `NSUnderlineStyle` as an argument, so you can specify which underline style should be applied with your strikethrough.

----

**Text Colour**

`richEditor.applyColour(textColour: .green)`

`applyColour(textColour:)` takes `NSColor` as an argument, so you can specify which colour should be applied.

----

**Text Highlighy Colour**

`richEditor.applyColour(highlightColour: .green)`

`applyColour(highlightColour:)` takes `NSColor` as an argument, so you can specify which colour should be applied.

----

**Font**

`richEditor.apply(font: .systemFont(ofSize: 12))`

`applyColour(font:)` takes `NSFont` as an argument, so you can specify which font should be applied.

----

**Text Alignment**

`richEditor.apply(alignment: .left)`

`applyColour(alignment:)` takes `NSTextAlignment` as an argument, so you can specify which alignment should be applied.

----

**Links**

`richEditor.insert(link: url, with: name)`

`insert(link:, with:, at:)` takes a `URL` as an argument, so you can specify which alignment should be applied.

A `String` is also taken for how you want this link to appear to the user.

An optional `Int` argument can also be supplied which indicates what index of the `NSTextView`s string the link should be insert at. If nil, the link will be appended to the end of the string.

----

## Example Project

To run the example project, clone the repo, and open the example Xcode Project in RichEditorExample.

## Requirements

RichEditor supports iOS 10.0 and above & macOS 10.10 and above.

## Installation

### Swift Package Manager
RichEditor is available through [Swift Package Manager](https://github.com/apple/swift-package-manager).
To install it, simply add the dependency to your Package.Swift file:

```swift
...
dependencies: [
.package(url: "https://github.com/will-lumley/RichEditor.git", from: "1.2.0"),
],
targets: [
.target( name: "YourTarget", dependencies: ["RichEditor"]),
]
...
```

### Cocoapods and Carthage
RichEditor was previously available through CocoaPods and Carthage, however making the library available to all three Cocoapods,
Carthage, and SPM (and functional to all three) was becoming troublesome. This, combined with the fact that SPM has seen a serious
up-tick in adoption & functionality, has led me to remove support for CocoaPods and Carthage.

## Author

[William Lumley](https://lumley.io/), [email protected]

## License

RichEditor is available under the MIT license. See the LICENSE file for more info.