yjs/Examples/TextBind/index.js

48 lines
1.4 KiB
JavaScript

/* global Y */
// create a shared object. This function call will return a promise!
Y({
db: {
name: 'Memory'
},
connector: {
name: 'WebRTC',
room: 'TextBindDemo',
debug: true
}
}).then(function (yconfig) {
// yconfig holds all the information about the shared object
window.yconfig = yconfig
// yconfig.root holds the shared element
window.y = yconfig.root
// now we bind the textarea and the contenteditable h1 element
// to a shared element
var textarea = document.getElementById('textfield')
var contenteditable = document.getElementById('contenteditable')
yconfig.root.observePath(['text'], function (text) {
// every time the 'text' property of the yconfig.root changes,
// this function is called. Then we bind it to the html elements
if (text != null) {
// when the text property is deleted, text may be undefined!
// This is why we have to check if text exists..
text.bind(textarea)
text.bind(contenteditable)
}
})
// create a shared TextBind
yconfig.root.set('text', Y.TextBind)
// We also provide a button for disconnecting/reconnecting the shared element
var button = document.querySelector('#button')
button.onclick = function () {
if (button.innerText === 'Disconnect') {
yconfig.disconnect()
button.innerText = 'Reconnect'
} else {
yconfig.reconnect()
button.innerText = 'Disconnect'
}
}
})