2018-11-25 03:17:00 +01:00

79 lines
2.1 KiB
JavaScript

/* global Y, Quill, QuillCursors */
Quill.register('modules/cursors', QuillCursors)
let y = new Y('quill-0', {
connector: {
name: 'websockets-client',
url: 'http://127.0.0.1:1234'
}
})
let users = y.define('users', Y.Array)
let myUserInfo = new Y.Map()
myUserInfo.set('name', 'dada')
myUserInfo.set('color', 'red')
users.push([myUserInfo])
let quill = new Quill('#quill-container', {
modules: {
toolbar: [
[{ header: [1, 2, false] }],
['bold', 'italic', 'underline'],
['image', 'code-block'],
[{ color: [] }, { background: [] }], // Snow theme fills in values
[{ script: 'sub' }, { script: 'super' }],
['link', 'image'],
['link', 'code-block'],
[{ list: 'ordered' }, { list: 'bullet' }]
],
cursors: {
hideDelay: 500
}
},
placeholder: 'Compose an epic...',
theme: 'snow' // or 'bubble'
})
let cursors = quill.getModule('cursors')
const drawCursors = () => {
cursors.clearCursors()
users.map((user, userId) => {
if (user !== myUserInfo) {
let relativeRange = user.get('range')
let lastUpdated = new Date(user.get('last updated')).getTime()
if (lastUpdated != null && new Date().getTime() - lastUpdated < 20000 && relativeRange != null) {
let start = Y.utils.fromRelativePosition(y, relativeRange.start).offset
let end = Y.utils.fromRelativePosition(y, relativeRange.end).offset
let range = { index: start, length: end - start }
cursors.setCursor(userId + '', range, user.get('name'), user.get('color'))
}
}
})
}
users.observeDeep(drawCursors)
drawCursors()
quill.on('selection-change', function (range) {
if (range != null) {
myUserInfo.set('range', {
start: Y.utils.getRelativePosition(yText, range.index),
end: Y.utils.getRelativePosition(yText, range.index + range.length)
})
} else {
myUserInfo.delete('range')
}
myUserInfo.set('last updated', new Date().toString())
})
let yText = y.define('quill', Y.Text)
let quillBinding = new Y.QuillBinding(yText, quill)
window.quillBinding = quillBinding
window.yText = yText
window.y = y
window.quill = quill
window.users = users
window.cursors = cursors