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https://github.com/bowlingx/marklib
A small library to wrap serializable TextSelections.
https://github.com/bowlingx/marklib
highlighting selection serialization
Last synced: 2 days ago
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A small library to wrap serializable TextSelections.
- Host: GitHub
- URL: https://github.com/bowlingx/marklib
- Owner: BowlingX
- License: mit
- Created: 2015-03-19T22:28:26.000Z (almost 10 years ago)
- Default Branch: master
- Last Pushed: 2023-04-12T06:45:29.000Z (over 1 year ago)
- Last Synced: 2024-12-23T03:27:01.859Z (11 days ago)
- Topics: highlighting, selection, serialization
- Language: JavaScript
- Homepage: http://bowlingx.github.io/marklib/
- Size: 3.66 MB
- Stars: 378
- Watchers: 9
- Forks: 16
- Open Issues: 7
-
Metadata Files:
- Readme: README.markdown
- License: LICENSE
Awesome Lists containing this project
README
# marklib
[](https://circleci.com/gh/BowlingX/marklib)
[](https://www.codacy.com/app/billing/marklib)
[](https://coveralls.io/r/BowlingX/marklib?branch=master)
[](https://www.npmjs.com/package/marklib)
[](https://gitter.im/BowlingX/marklib?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
A simple and fast zero-dependencies-library to transform text-selections into serializable markings.
[Demo](http://bowlingx.github.io/marklib/)
## Install
marklib can be installed with `npm` or `bower`.
`npm install --save-dev marklib`
`bower install marklib --save`
## Usage
### Render by selection
``` javascript
// obtain a selection from document
var selection = document.getSelection();
// create a new rendering based on the current document
var renderer = new Marklib.Rendering(document, options, context)
renderer.setId('myRenderId') // if an ID is not provided, a autogenerated one will be used
// renders the given selection and returns a result (`RenderResult`).
var result = renderer.renderWithRange(selection.getRangeAt(0));
```
**Important**: After a Rendering has been used to render a selection/serialized result,
it can't be used to render something again. You need to create a new Instance of `Rendering`.
## Options
You can pass options to each rendering instance, the following shows the default options
```javascript
var renderer = new Marklib.Rendering(document, {
hoverClass: 'marklib--hover',
treeClass: 'marklib--tree',
// Supports arrays and/or strings
className: ['marking']
});
```
## Events
Marklib triggers events that can be listened to with `instance.on('event-name')`. Events are build with
`wolfy87-eventemitter` (https://github.com/Olical/EventEmitter). The following Events are available:
Before you can actually receive events, you need to register the event handler with `registerEvents` (use `import { registerEvents } from 'marklib/src/main/RenderingEvents';` on your application bootstrap code.)
| Event-Name | Description | Arguments |
| ------------- |-------------|-------------|
| `click` | triggered when clicked on a marking. | `(originalEvent, instanceHierarchy)`
| `hover-enter` | triggered when a pointer-device starts hovering over a marking | `(originalEvent, instanceHierarchy)`
| `hover-leave` | triggered when a pointer-device leaves a marking | `(originalEvent, instanceHierarchy)`
Additionally, marklib will add hover classes to the current hovered marking.
#### Constructor Arguments
- 1) `HTMLDocument` document -> the document instance used
- 2) `Object` [options], optional -> an object containing setting for marklib (see Options)
- 3) `HTMLElement` [context], optional ->
the context used to serialize / deserialize the rendering, if not given the document instance.
### Render by serialized result
A Serialized results consist of 2 strings (start end end) in the following form
```
'body>section;0;1'`
-▲------------▲-▲
```
- ▲ The first part defines a css-selector (queryable with document.querySelector).
- ▲ The second part defines the text-node inside the given selector
- ▲ The third part defines the string-offset inside this text-node
#### Example
``` javascript
// This is the result we get from `RenderResult#serialize()`
var result = {
startContainerPath: 'body>section;0',
endContainerPath: 'body>section;1',
startOffset: 2,
endOffset: 5
}
var rendering = new Marklib.Rendering(document);
rendering.renderWithResult(result);
```
## Use-Cases
- Annotations
- Collaboration tools
- Inline-Commenting (I actually started a project that will do something like this: https://github.com/BowlingX/commentp)
## Develop
`npm run develop` or `npm run tdd` (to start karma in watch mode)
## License
The MIT License (MIT)
Copyright (c) 2015 David Heidrich
Any contribution is welcome, just issue a pull-request or bug/feature if you found something :)