realms-wiki/realms/static/js/collaboration/firepad.js

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// Helper to get hash from end of URL or generate a random one.
function getExampleRef() {
var ref = new Firebase('https://' + Config['FIREBASE_HOSTNAME']);
var hash = window.location.hash.replace(/^#fp-/, '');
if (hash) {
ref = ref.child(hash);
} else {
ref = ref.push(); // generate unique location.
window.location = window.location + '#fp-' + ref.name(); // add it as a hash to the URL.
}
return ref;
}
function initFirepad() {
var new_ = true;
if (window.location.hash.lastIndexOf('#fp-', 0) === 0) {
new_ = false;
}
var firepadRef = getExampleRef();
var session = aced.editor.session;
var content;
if (new_) {
content = session.getValue();
}
// Firepad wants an empty editor
session.setValue('');
//// Create Firepad.
var firepad = Firepad.fromACE(firepadRef, aced.editor, {
defaultText: content
});
firepad.on('ready', function() {
startCollaboration();
});
$(document).on('end-collaboration', function() {
firepad.dispose();
});
}
$(document).on('loading-collaboration', function() {
initFirepad(true);
});
$(function(){
if (window.location.hash.lastIndexOf('#fp-', 0) === 0) {
loadingCollaboration();
}
});