A rich text editor library for both Jetpack Compose and Compose Multiplatform, fully customizable and supports the common rich text editor features

• Multiplatform: Compose Rich Editor supports Compose Multiplatform (Android, iOS, Desktop, Web).
• Easy to use: Compose Rich Editor's API leverages Kotlin's language features for simplicity and minimal boilerplate.
• WYSIWYG: Compose Rich Editor is a WYSIWYG editor that supports the most common text styling features.

Compose Rich Editor is available on mavenCentral().

implementation("com.mohamedrejeb.richeditor:richeditor-compose:1.0.0-rc09")

Use RichTextEditor composable to create a rich text editor.

The RichTextEditor composable requires a RichTextState to manage the editor's state.

To create a RichTextState, use the rememberRichTextState function:

val state = rememberRichTextState()

RichTextEditor(
    state = state,
)

To style spans, RichTextState provides toggleSpanStyle method:

// Toggle a span style.
richTextState.toggleSpanStyle(SpanStyle(fontWeight = FontWeight.Bold))

To get the current span style of the selection, use RichTextState.currentSpanStyle:

// Get the current span style.
val currentSpanStyle = richTextState.currentSpanStyle
val isBold = currentSpanStyle.fontWeight = FontWeight.Bold

To style paragraphs, RichTextState provides toggleParagraphStyle method:

// Toggle a paragraph style.
richTextState.toggleParagraphStyle(ParagraphStyle(textAlign = TextAlign.Center))

To get the current paragraph style of the selection, use RichTextState.currentParagraphStyle:

// Get the current paragraph style.
val currentParagraphStyle = richTextState.currentParagraphStyle
val isCentered = currentParagraphStyle.textAlign = TextAlign.Center

To add links, RichTextState provides addLink method:

// Add link after selection.
richTextState.addLink(
    text = "Compose Rich Editor",
    url = "https://github.com/MohamedRejeb/Compose-Rich-Editor"
)

To get if the current selection is a link, use RichTextState.isLink:

// Get if the current selection is a link.
val isLink = richTextState.isLink

By default, links will be opened by your platform's UriHandler, if however you want to handle the links on your own, you can override the composition local as such:

val myUriHandler by remember {
    mutableStateOf(object : UriHandler {
        override fun openUri(uri: String) {
            // Handle the clicked link however you want
        }
    })
}
CompositionLocalProvider(LocalUriHandler provides myUriHandler) {
    RichText( ... )
}

To add code blocks, RichTextState provides toggleCodeSpan method:

// Toggle code span.
richTextState.toggleCodeSpan()

To get if the current selection is a code block, use RichTextState.isCodeSpan:

// Get if the current selection is a code span.
val isCodeSpan = richTextState.isCodeSpan

You can add ordered and unordered lists using RichTextState:

// Toggle ordered list.
richTextState.toggleOrderedList()

// Toggle unordered list.
richTextState.toggleUnorderedList()

You can get if the current selection is an ordered or unordered list, using RichTextState:

// Get if the current selection is an ordered list.
val isOrderedList = richTextState.isOrderedList

// Get if the current selection is an unordered list.
val isUnorderedList = richTextState.isUnorderedList

Some of the rich text editor's features can be customized, such as the color of the links and the code blocks.

richTextState.config.linkColor = Color.Blue
richTextState.config.linkTextDecoration = TextDecoration.Underline
richTextState.config.codeSpanColor = Color.Yellow
richTextState.config.codeSpanBackgroundColor = Color.Transparent
richTextState.config.codeSpanStrokeColor = Color.LightGray

To convert HTML to RichTextState, use RichTextState.setHtml method:

val html = "<p><b>Compose Rich Editor</b></p>"
richTextState.setHtml(html)

To convert RichTextState to HTML, use RichTextState.toHtml method:

val html = richTextState.toHtml()

To convert Markdown to RichTextState, use RichTextState.setMarkdown method:

val markdown = "**Compose** *Rich* Editor"
richTextState.setMarkdown(markdown)

To convert RichTextState to Markdown, use RichTextState.toMarkdown method:

val markdown = richTextState.toMarkdown()

Check out Compose Rich Editor's full documentation for more details.

You can try out the web demo here.

If you've found an error in this sample, please file an issue.
Feel free to help out by sending a pull request ❤️.

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Copyright 2023 Mohamed Rejeb

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.