HackMD/public/js/index.js

3336 lines
102 KiB
JavaScript

/* eslint-env browser, jquery */
/* global CodeMirror, Cookies, moment, editor, ui, Spinner,
modeType, Idle, serverurl, key, gapi, Dropbox, FilePicker
ot, MediaUploader, hex2rgb, num_loaded, Visibility */
require('../vendor/showup/showup')
require('../css/index.css')
require('../css/extra.css')
require('../css/slide-preview.css')
require('../css/site.css')
require('highlight.js/styles/github-gist.css')
import toMarkdown from 'to-markdown'
import { saveAs } from 'file-saver'
import randomColor from 'randomcolor'
import store from 'store'
import hljs from 'highlight.js'
import _ from 'lodash'
import List from 'list.js'
import {
checkLoginStateChanged,
setloginStateChangeEvent
} from './lib/common/login'
import {
debug,
DROPBOX_APP_KEY,
noteid,
noteurl,
urlpath,
version
} from './lib/config'
import {
autoLinkify,
deduplicatedHeaderId,
exportToHTML,
exportToRawHTML,
removeDOMEvents,
finishView,
generateToc,
isValidURL,
md,
parseMeta,
postProcess,
renderFilename,
renderTOC,
renderTags,
renderTitle,
scrollToHash,
smoothHashScroll,
updateLastChange,
updateLastChangeUser,
updateOwner
} from './extra'
import {
clearMap,
setupSyncAreas,
syncScrollToEdit,
syncScrollToView
} from './lib/syncscroll'
import {
writeHistory,
deleteServerHistory,
getHistory,
saveHistory,
removeHistory
} from './history'
import { preventXSS } from './render'
import Editor from './lib/editor'
import getUIElements from './lib/editor/ui-elements'
import modeType from './lib/modeType'
import appState from './lib/appState'
var defaultTextHeight = 20
var viewportMargin = 20
var defaultEditorMode = 'gfm'
var idleTime = 300000 // 5 mins
var updateViewDebounce = 100
var cursorMenuThrottle = 50
var cursorActivityDebounce = 50
var cursorAnimatePeriod = 100
var supportContainers = ['success', 'info', 'warning', 'danger']
var supportCodeModes = ['javascript', 'typescript', 'jsx', 'htmlmixed', 'htmlembedded', 'css', 'xml', 'clike', 'clojure', 'ruby', 'python', 'shell', 'php', 'sql', 'haskell', 'coffeescript', 'yaml', 'pug', 'lua', 'cmake', 'nginx', 'perl', 'sass', 'r', 'dockerfile', 'tiddlywiki', 'mediawiki', 'go', 'gherkin'].concat(hljs.listLanguages())
var supportCharts = ['sequence', 'flow', 'graphviz', 'mermaid', 'abc']
var supportHeaders = [
{
text: '# h1',
search: '#'
},
{
text: '## h2',
search: '##'
},
{
text: '### h3',
search: '###'
},
{
text: '#### h4',
search: '####'
},
{
text: '##### h5',
search: '#####'
},
{
text: '###### h6',
search: '######'
},
{
text: '###### tags: `example`',
search: '###### tags:'
}
]
const supportReferrals = [
{
text: '[reference link]',
search: '[]'
},
{
text: '[reference]: https:// "title"',
search: '[]:'
},
{
text: '[^footnote link]',
search: '[^]'
},
{
text: '[^footnote reference]: https:// "title"',
search: '[^]:'
},
{
text: '^[inline footnote]',
search: '^[]'
},
{
text: '[link text][reference]',
search: '[][]'
},
{
text: '[link text](https:// "title")',
search: '[]()'
},
{
text: '![image alt][reference]',
search: '![][]'
},
{
text: '![image alt](https:// "title")',
search: '![]()'
},
{
text: '![image alt](https:// "title" =WidthxHeight)',
search: '![]()'
},
{
text: '[TOC]',
search: '[]'
}
]
const supportExternals = [
{
text: '{%youtube youtubeid %}',
search: 'youtube'
},
{
text: '{%vimeo vimeoid %}',
search: 'vimeo'
},
{
text: '{%gist gistid %}',
search: 'gist'
},
{
text: '{%slideshare slideshareid %}',
search: 'slideshare'
},
{
text: '{%speakerdeck speakerdeckid %}',
search: 'speakerdeck'
},
{
text: '{%pdf pdfurl %}',
search: 'pdf'
}
]
const supportExtraTags = [
{
text: '[name tag]',
search: '[]',
command: function () {
return '[name=' + personalInfo.name + ']'
}
},
{
text: '[time tag]',
search: '[]',
command: function () {
return '[time=' + moment().format('llll') + ']'
}
},
{
text: '[my color tag]',
search: '[]',
command: function () {
return '[color=' + personalInfo.color + ']'
}
},
{
text: '[random color tag]',
search: '[]',
command: function () {
var color = randomColor()
return '[color=' + color + ']'
}
}
]
const statusType = {
connected: {
msg: 'CONNECTED',
label: 'label-warning',
fa: 'fa-wifi'
},
online: {
msg: 'ONLINE',
label: 'label-primary',
fa: 'fa-users'
},
offline: {
msg: 'OFFLINE',
label: 'label-danger',
fa: 'fa-plug'
}
}
// global vars
window.loaded = false
let needRefresh = false
let isDirty = false
let editShown = false
let visibleXS = false
let visibleSM = false
let visibleMD = false
let visibleLG = false
const isTouchDevice = 'ontouchstart' in document.documentElement
let currentStatus = statusType.offline
let lastInfo = {
needRestore: false,
cursor: null,
scroll: null,
edit: {
scroll: {
left: null,
top: null
},
cursor: {
line: null,
ch: null
},
selections: null
},
view: {
scroll: {
left: null,
top: null
}
},
history: null
}
let personalInfo = {}
let onlineUsers = []
const fileTypes = {
'pl': 'perl',
'cgi': 'perl',
'js': 'javascript',
'php': 'php',
'sh': 'bash',
'rb': 'ruby',
'html': 'html',
'py': 'python'
}
// editor settings
const textit = document.getElementById('textit')
if (!textit) {
throw new Error('There was no textit area!')
}
const editorInstance = new Editor()
var editor = editorInstance.init(textit)
// FIXME: global referncing in jquery-textcomplete patch
window.editor = editor
var inlineAttach = inlineAttachment.editors.codemirror4.attach(editor)
defaultTextHeight = parseInt($('.CodeMirror').css('line-height'))
// initalize ui reference
const ui = getUIElements()
// page actions
var opts = {
lines: 11, // The number of lines to draw
length: 20, // The length of each line
width: 2, // The line thickness
radius: 30, // The radius of the inner circle
corners: 0, // Corner roundness (0..1)
rotate: 0, // The rotation offset
direction: 1, // 1: clockwise, -1: counterclockwise
color: '#000', // #rgb or #rrggbb or array of colors
speed: 1.1, // Rounds per second
trail: 60, // Afterglow percentage
shadow: false, // Whether to render a shadow
hwaccel: true, // Whether to use hardware acceleration
className: 'spinner', // The CSS class to assign to the spinner
zIndex: 2e9, // The z-index (defaults to 2000000000)
top: '50%', // Top position relative to parent
left: '50%' // Left position relative to parent
}
/* eslint-disable no-unused-vars */
var spinner = new Spinner(opts).spin(ui.spinner[0])
/* eslint-enable no-unused-vars */
// idle
var idle = new Idle({
onAway: function () {
idle.isAway = true
emitUserStatus()
updateOnlineStatus()
},
onAwayBack: function () {
idle.isAway = false
emitUserStatus()
updateOnlineStatus()
setHaveUnreadChanges(false)
updateTitleReminder()
},
awayTimeout: idleTime
})
ui.area.codemirror.on('touchstart', function () {
idle.onActive()
})
var haveUnreadChanges = false
function setHaveUnreadChanges (bool) {
if (!window.loaded) return
if (bool && (idle.isAway || Visibility.hidden())) {
haveUnreadChanges = true
} else if (!bool && !idle.isAway && !Visibility.hidden()) {
haveUnreadChanges = false
}
}
function updateTitleReminder () {
if (!window.loaded) return
if (haveUnreadChanges) {
document.title = '• ' + renderTitle(ui.area.markdown)
} else {
document.title = renderTitle(ui.area.markdown)
}
}
function setRefreshModal (status) {
$('#refreshModal').modal('show')
$('#refreshModal').find('.modal-body > div').hide()
$('#refreshModal').find('.' + status).show()
}
function setNeedRefresh () {
needRefresh = true
editor.setOption('readOnly', true)
socket.disconnect()
showStatus(statusType.offline)
}
setloginStateChangeEvent(function () {
setRefreshModal('user-state-changed')
setNeedRefresh()
})
// visibility
var wasFocus = false
Visibility.change(function (e, state) {
var hidden = Visibility.hidden()
if (hidden) {
if (editorHasFocus()) {
wasFocus = true
editor.getInputField().blur()
}
} else {
if (wasFocus) {
if (!visibleXS) {
editor.focus()
editor.refresh()
}
wasFocus = false
}
setHaveUnreadChanges(false)
}
updateTitleReminder()
})
// when page ready
$(document).ready(function () {
idle.checkAway()
checkResponsive()
// if in smaller screen, we don't need advanced scrollbar
var scrollbarStyle
if (visibleXS) {
scrollbarStyle = 'native'
} else {
scrollbarStyle = 'overlay'
}
if (scrollbarStyle !== editor.getOption('scrollbarStyle')) {
editor.setOption('scrollbarStyle', scrollbarStyle)
clearMap()
}
checkEditorStyle()
/* cache dom references */
var $body = $('body')
/* we need this only on touch devices */
if (isTouchDevice) {
/* bind events */
$(document)
.on('focus', 'textarea, input', function () {
$body.addClass('fixfixed')
})
.on('blur', 'textarea, input', function () {
$body.removeClass('fixfixed')
})
}
// Re-enable nightmode
if (store.get('nightMode') || Cookies.get('nightMode')) {
$body.addClass('night')
ui.toolbar.night.addClass('active')
}
// showup
$().showUp('.navbar', {
upClass: 'navbar-hide',
downClass: 'navbar-show'
})
// tooltip
$('[data-toggle="tooltip"]').tooltip()
// shortcuts
// allow on all tags
key.filter = function (e) { return true }
key('ctrl+alt+e', function (e) {
changeMode(modeType.edit)
})
key('ctrl+alt+v', function (e) {
changeMode(modeType.view)
})
key('ctrl+alt+b', function (e) {
changeMode(modeType.both)
})
// toggle-dropdown
$(document).on('click', '.toggle-dropdown .dropdown-menu', function (e) {
e.stopPropagation()
})
})
// when page resize
$(window).resize(function () {
checkLayout()
checkEditorStyle()
checkTocStyle()
checkCursorMenu()
windowResize()
})
// when page unload
$(window).on('unload', function () {
// updateHistoryInner();
})
$(window).on('error', function () {
// setNeedRefresh();
})
setupSyncAreas(ui.area.codemirrorScroll, ui.area.view, ui.area.markdown, editor)
function autoSyncscroll () {
if (editorHasFocus()) {
syncScrollToView()
} else {
syncScrollToEdit()
}
}
var windowResizeDebounce = 200
var windowResize = _.debounce(windowResizeInner, windowResizeDebounce)
function windowResizeInner (callback) {
checkLayout()
checkResponsive()
checkEditorStyle()
checkTocStyle()
checkCursorMenu()
// refresh editor
if (window.loaded) {
if (editor.getOption('scrollbarStyle') === 'native') {
setTimeout(function () {
clearMap()
autoSyncscroll()
updateScrollspy()
if (callback && typeof callback === 'function') { callback() }
}, 1)
} else {
// force it load all docs at once to prevent scroll knob blink
editor.setOption('viewportMargin', Infinity)
setTimeout(function () {
clearMap()
autoSyncscroll()
editor.setOption('viewportMargin', viewportMargin)
// add or update user cursors
for (var i = 0; i < onlineUsers.length; i++) {
if (onlineUsers[i].id !== personalInfo.id) { buildCursor(onlineUsers[i]) }
}
updateScrollspy()
if (callback && typeof callback === 'function') { callback() }
}, 1)
}
}
}
function checkLayout () {
var navbarHieght = $('.navbar').outerHeight()
$('body').css('padding-top', navbarHieght + 'px')
}
function editorHasFocus () {
return $(editor.getInputField()).is(':focus')
}
// 768-792px have a gap
function checkResponsive () {
visibleXS = $('.visible-xs').is(':visible')
visibleSM = $('.visible-sm').is(':visible')
visibleMD = $('.visible-md').is(':visible')
visibleLG = $('.visible-lg').is(':visible')
if (visibleXS && appState.currentMode === modeType.both) {
if (editorHasFocus()) { changeMode(modeType.edit) } else { changeMode(modeType.view) }
}
emitUserStatus()
}
var lastEditorWidth = 0
var previousFocusOnEditor = null
function checkEditorStyle () {
var desireHeight = editorInstance.statusBar ? (ui.area.edit.height() - editorInstance.statusBar.outerHeight()) : ui.area.edit.height()
if (editorInstance.toolBar) {
desireHeight = desireHeight - editorInstance.toolBar.outerHeight()
}
// set editor height and min height based on scrollbar style and mode
var scrollbarStyle = editor.getOption('scrollbarStyle')
if (scrollbarStyle === 'overlay' || appState.currentMode === modeType.both) {
ui.area.codemirrorScroll.css('height', desireHeight + 'px')
ui.area.codemirrorScroll.css('min-height', '')
checkEditorScrollbar()
} else if (scrollbarStyle === 'native') {
ui.area.codemirrorScroll.css('height', '')
ui.area.codemirrorScroll.css('min-height', desireHeight + 'px')
}
// workaround editor will have wrong doc height when editor height changed
editor.setSize(null, ui.area.edit.height())
// make editor resizable
if (!ui.area.resize.handle.length) {
ui.area.edit.resizable({
handles: 'e',
maxWidth: $(window).width() * 0.7,
minWidth: $(window).width() * 0.2,
create: function (e, ui) {
$(this).parent().on('resize', function (e) {
e.stopPropagation()
})
},
start: function (e) {
editor.setOption('viewportMargin', Infinity)
},
resize: function (e) {
ui.area.resize.syncToggle.stop(true, true).show()
checkTocStyle()
},
stop: function (e) {
lastEditorWidth = ui.area.edit.width()
// workaround that scroll event bindings
window.preventSyncScrollToView = 2
window.preventSyncScrollToEdit = true
editor.setOption('viewportMargin', viewportMargin)
if (editorHasFocus()) {
windowResizeInner(function () {
ui.area.codemirrorScroll.scroll()
})
} else {
windowResizeInner(function () {
ui.area.view.scroll()
})
}
checkEditorScrollbar()
}
})
ui.area.resize.handle = $('.ui-resizable-handle')
}
if (!ui.area.resize.syncToggle.length) {
ui.area.resize.syncToggle = $('<button class="btn btn-lg btn-default ui-sync-toggle" title="Toggle sync scrolling"><i class="fa fa-link fa-fw"></i></button>')
ui.area.resize.syncToggle.hover(function () {
previousFocusOnEditor = editorHasFocus()
}, function () {
previousFocusOnEditor = null
})
ui.area.resize.syncToggle.click(function () {
appState.syncscroll = !appState.syncscroll
checkSyncToggle()
})
ui.area.resize.handle.append(ui.area.resize.syncToggle)
ui.area.resize.syncToggle.hide()
ui.area.resize.handle.hover(function () {
ui.area.resize.syncToggle.stop(true, true).delay(200).fadeIn(100)
}, function () {
ui.area.resize.syncToggle.stop(true, true).delay(300).fadeOut(300)
})
}
}
function checkSyncToggle () {
if (appState.syncscroll) {
if (previousFocusOnEditor) {
window.preventSyncScrollToView = false
syncScrollToView()
} else {
window.preventSyncScrollToEdit = false
syncScrollToEdit()
}
ui.area.resize.syncToggle.find('i').removeClass('fa-unlink').addClass('fa-link')
} else {
ui.area.resize.syncToggle.find('i').removeClass('fa-link').addClass('fa-unlink')
}
}
var checkEditorScrollbar = _.debounce(function () {
editor.operation(checkEditorScrollbarInner)
}, 50)
function checkEditorScrollbarInner () {
// workaround simple scroll bar knob
// will get wrong position when editor height changed
var scrollInfo = editor.getScrollInfo()
editor.scrollTo(null, scrollInfo.top - 1)
editor.scrollTo(null, scrollInfo.top)
}
function checkTocStyle () {
// toc right
var paddingRight = parseFloat(ui.area.markdown.css('padding-right'))
var right = ($(window).width() - (ui.area.markdown.offset().left + ui.area.markdown.outerWidth() - paddingRight))
ui.toc.toc.css('right', right + 'px')
// affix toc left
var newbool
var rightMargin = (ui.area.markdown.parent().outerWidth() - ui.area.markdown.outerWidth()) / 2
// for ipad or wider device
if (rightMargin >= 133) {
newbool = true
var affixLeftMargin = (ui.toc.affix.outerWidth() - ui.toc.affix.width()) / 2
var left = ui.area.markdown.offset().left + ui.area.markdown.outerWidth() - affixLeftMargin
ui.toc.affix.css('left', left + 'px')
ui.toc.affix.css('width', rightMargin + 'px')
} else {
newbool = false
}
// toc scrollspy
ui.toc.toc.removeClass('scrollspy-body, scrollspy-view')
ui.toc.affix.removeClass('scrollspy-body, scrollspy-view')
if (appState.currentMode === modeType.both) {
ui.toc.toc.addClass('scrollspy-view')
ui.toc.affix.addClass('scrollspy-view')
} else if (appState.currentMode !== modeType.both && !newbool) {
ui.toc.toc.addClass('scrollspy-body')
ui.toc.affix.addClass('scrollspy-body')
} else {
ui.toc.toc.addClass('scrollspy-view')
ui.toc.affix.addClass('scrollspy-body')
}
if (newbool !== enoughForAffixToc) {
enoughForAffixToc = newbool
generateScrollspy()
}
}
function showStatus (type, num) {
currentStatus = type
var shortStatus = ui.toolbar.shortStatus
var status = ui.toolbar.status
var label = $('<span class="label"></span>')
var fa = $('<i class="fa"></i>')
var msg = ''
var shortMsg = ''
shortStatus.html('')
status.html('')
switch (currentStatus) {
case statusType.connected:
label.addClass(statusType.connected.label)
fa.addClass(statusType.connected.fa)
msg = statusType.connected.msg
break
case statusType.online:
label.addClass(statusType.online.label)
fa.addClass(statusType.online.fa)
shortMsg = num
msg = num + ' ' + statusType.online.msg
break
case statusType.offline:
label.addClass(statusType.offline.label)
fa.addClass(statusType.offline.fa)
msg = statusType.offline.msg
break
}
label.append(fa)
var shortLabel = label.clone()
shortLabel.append(' ' + shortMsg)
shortStatus.append(shortLabel)
label.append(' ' + msg)
status.append(label)
}
function toggleMode () {
switch (appState.currentMode) {
case modeType.edit:
changeMode(modeType.view)
break
case modeType.view:
changeMode(modeType.edit)
break
case modeType.both:
changeMode(modeType.view)
break
}
}
var lastMode = null
function changeMode (type) {
// lock navbar to prevent it hide after changeMode
lockNavbar()
saveInfo()
if (type) {
lastMode = appState.currentMode
appState.currentMode = type
}
var responsiveClass = 'col-lg-6 col-md-6 col-sm-6'
var scrollClass = 'ui-scrollable'
ui.area.codemirror.removeClass(scrollClass)
ui.area.edit.removeClass(responsiveClass)
ui.area.view.removeClass(scrollClass)
ui.area.view.removeClass(responsiveClass)
switch (appState.currentMode) {
case modeType.edit:
ui.area.edit.show()
ui.area.view.hide()
if (!editShown) {
editor.refresh()
editShown = true
}
break
case modeType.view:
ui.area.edit.hide()
ui.area.view.show()
break
case modeType.both:
ui.area.codemirror.addClass(scrollClass)
ui.area.edit.addClass(responsiveClass).show()
ui.area.view.addClass(scrollClass)
ui.area.view.show()
break
}
// save mode to url
if (history.replaceState && window.loaded) history.replaceState(null, '', serverurl + '/' + noteid + '?' + appState.currentMode.name)
if (appState.currentMode === modeType.view) {
editor.getInputField().blur()
}
if (appState.currentMode === modeType.edit || appState.currentMode === modeType.both) {
ui.toolbar.uploadImage.fadeIn()
// add and update status bar
if (!editorInstance.statusBar) {
editorInstance.addStatusBar()
editorInstance.updateStatusBar()
}
// add and update tool bar
if (!editorInstance.toolBar) {
editorInstance.addToolBar()
}
// work around foldGutter might not init properly
editor.setOption('foldGutter', false)
editor.setOption('foldGutter', true)
} else {
ui.toolbar.uploadImage.fadeOut()
}
if (appState.currentMode !== modeType.edit) {
$(document.body).css('background-color', 'white')
updateView()
} else {
$(document.body).css('background-color', ui.area.codemirror.css('background-color'))
}
// check resizable editor style
if (appState.currentMode === modeType.both) {
if (lastEditorWidth > 0) {
ui.area.edit.css('width', lastEditorWidth + 'px')
} else {
ui.area.edit.css('width', '')
}
ui.area.resize.handle.show()
} else {
ui.area.edit.css('width', '')
ui.area.resize.handle.hide()
}
windowResizeInner()
restoreInfo()
if (lastMode === modeType.view && appState.currentMode === modeType.both) {
window.preventSyncScrollToView = 2
syncScrollToEdit(null, true)
}
if (lastMode === modeType.edit && appState.currentMode === modeType.both) {
window.preventSyncScrollToEdit = 2
syncScrollToView(null, true)
}
if (lastMode === modeType.both && appState.currentMode !== modeType.both) {
window.preventSyncScrollToView = false
window.preventSyncScrollToEdit = false
}
if (lastMode !== modeType.edit && appState.currentMode === modeType.edit) {
editor.refresh()
}
$(document.body).scrollspy('refresh')
ui.area.view.scrollspy('refresh')
ui.toolbar.both.removeClass('active')
ui.toolbar.edit.removeClass('active')
ui.toolbar.view.removeClass('active')
var modeIcon = ui.toolbar.mode.find('i')
modeIcon.removeClass('fa-pencil').removeClass('fa-eye')
if (ui.area.edit.is(':visible') && ui.area.view.is(':visible')) { // both
ui.toolbar.both.addClass('active')
modeIcon.addClass('fa-eye')
} else if (ui.area.edit.is(':visible')) { // edit
ui.toolbar.edit.addClass('active')
modeIcon.addClass('fa-eye')
} else if (ui.area.view.is(':visible')) { // view
ui.toolbar.view.addClass('active')
modeIcon.addClass('fa-pencil')
}
unlockNavbar()
}
function lockNavbar () {
$('.navbar').addClass('locked')
}
var unlockNavbar = _.debounce(function () {
$('.navbar').removeClass('locked')
}, 200)
function showMessageModal (title, header, href, text, success) {
var modal = $('.message-modal')
modal.find('.modal-title').html(title)
modal.find('.modal-body h5').html(header)
if (href) { modal.find('.modal-body a').attr('href', href).text(text) } else { modal.find('.modal-body a').removeAttr('href').text(text) }
modal.find('.modal-footer button').removeClass('btn-default btn-success btn-danger')
if (success) { modal.find('.modal-footer button').addClass('btn-success') } else { modal.find('.modal-footer button').addClass('btn-danger') }
modal.modal('show')
}
// check if dropbox app key is set and load scripts
if (DROPBOX_APP_KEY) {
$('<script>')
.attr('type', 'text/javascript')
.attr('src', 'https://www.dropbox.com/static/api/2/dropins.js')
.attr('id', 'dropboxjs')
.attr('data-app-key', DROPBOX_APP_KEY)
.prop('async', true)
.prop('defer', true)
.appendTo('body')
} else {
ui.toolbar.import.dropbox.hide()
ui.toolbar.export.dropbox.hide()
}
// button actions
// share
ui.toolbar.publish.attr('href', noteurl + '/publish')
// extra
// slide
ui.toolbar.extra.slide.attr('href', noteurl + '/slide')
// download
// markdown
ui.toolbar.download.markdown.click(function (e) {
e.preventDefault()
e.stopPropagation()
var filename = renderFilename(ui.area.markdown) + '.md'
var markdown = editor.getValue()
var blob = new Blob([markdown], {
type: 'text/markdown;charset=utf-8'
})
saveAs(blob, filename, true)
})
// html
ui.toolbar.download.html.click(function (e) {
e.preventDefault()
e.stopPropagation()
exportToHTML(ui.area.markdown)
})
// raw html
ui.toolbar.download.rawhtml.click(function (e) {
e.preventDefault()
e.stopPropagation()
exportToRawHTML(ui.area.markdown)
})
// pdf
ui.toolbar.download.pdf.attr('download', '').attr('href', noteurl + '/pdf')
// export to dropbox
ui.toolbar.export.dropbox.click(function () {
var filename = renderFilename(ui.area.markdown) + '.md'
var options = {
files: [
{
'url': noteurl + '/download',
'filename': filename
}
],
error: function (errorMessage) {
console.error(errorMessage)
}
}
Dropbox.save(options)
})
// export to gist
ui.toolbar.export.gist.attr('href', noteurl + '/gist')
// export to snippet
ui.toolbar.export.snippet.click(function () {
ui.spinner.show()
$.get(serverurl + '/auth/gitlab/callback/' + noteid + '/projects')
.done(function (data) {
$('#snippetExportModalAccessToken').val(data.accesstoken)
$('#snippetExportModalBaseURL').val(data.baseURL)
$('#snippetExportModalVersion').val(data.version)
$('#snippetExportModalLoading').hide()
$('#snippetExportModal').modal('toggle')
$('#snippetExportModalProjects').find('option').remove().end().append('<option value="init" selected="selected" disabled="disabled">Select From Available Projects</option>')
if (data.projects) {
data.projects.sort(function (a, b) {
return (a.path_with_namespace < b.path_with_namespace) ? -1 : ((a.path_with_namespace > b.path_with_namespace) ? 1 : 0)
})
data.projects.forEach(function (project) {
if (!project.snippets_enabled ||
(project.permissions.project_access === null && project.permissions.group_access === null) ||
(project.permissions.project_access !== null && project.permissions.project_access.access_level < 20)) {
return
}
$('<option>').val(project.id).text(project.path_with_namespace).appendTo('#snippetExportModalProjects')
})
$('#snippetExportModalProjects').prop('disabled', false)
}
$('#snippetExportModalLoading').hide()
})
.fail(function (data) {
showMessageModal('<i class="fa fa-gitlab"></i> Import from Snippet', 'Unable to fetch gitlab parameters :(', '', '', false)
})
.always(function () {
ui.spinner.hide()
})
})
// import from dropbox
ui.toolbar.import.dropbox.click(function () {
var options = {
success: function (files) {
ui.spinner.show()
var url = files[0].link
importFromUrl(url)
},
linkType: 'direct',
multiselect: false,
extensions: ['.md', '.html']
}
Dropbox.choose(options)
})
// import from gist
ui.toolbar.import.gist.click(function () {
// na
})
// import from snippet
ui.toolbar.import.snippet.click(function () {
ui.spinner.show()
$.get(serverurl + '/auth/gitlab/callback/' + noteid + '/projects')
.done(function (data) {
$('#snippetImportModalAccessToken').val(data.accesstoken)
$('#snippetImportModalBaseURL').val(data.baseURL)
$('#snippetImportModalVersion').val(data.version)
$('#snippetImportModalContent').prop('disabled', false)
$('#snippetImportModalConfirm').prop('disabled', false)
$('#snippetImportModalLoading').hide()
$('#snippetImportModal').modal('toggle')
$('#snippetImportModalProjects').find('option').remove().end().append('<option value="init" selected="selected" disabled="disabled">Select From Available Projects</option>')
if (data.projects) {
data.projects.sort(function (a, b) {
return (a.path_with_namespace < b.path_with_namespace) ? -1 : ((a.path_with_namespace > b.path_with_namespace) ? 1 : 0)
})
data.projects.forEach(function (project) {
if (!project.snippets_enabled ||
(project.permissions.project_access === null && project.permissions.group_access === null) ||
(project.permissions.project_access !== null && project.permissions.project_access.access_level < 20)) {
return
}
$('<option>').val(project.id).text(project.path_with_namespace).appendTo('#snippetImportModalProjects')
})
$('#snippetImportModalProjects').prop('disabled', false)
}
$('#snippetImportModalLoading').hide()
})
.fail(function (data) {
showMessageModal('<i class="fa fa-gitlab"></i> Import from Snippet', 'Unable to fetch gitlab parameters :(', '', '', false)
})
.always(function () {
ui.spinner.hide()
})
})
// import from clipboard
ui.toolbar.import.clipboard.click(function () {
// na
})
// upload image
ui.toolbar.uploadImage.bind('change', function (e) {
var files = e.target.files || e.dataTransfer.files
e.dataTransfer = {}
e.dataTransfer.files = files
inlineAttach.onDrop(e)
})
// toc
ui.toc.dropdown.click(function (e) {
e.stopPropagation()
})
// prevent empty link change hash
$('a[href="#"]').click(function (e) {
e.preventDefault()
})
// modal actions
var revisions = []
var revisionViewer = null
var revisionInsert = []
var revisionDelete = []
var revisionInsertAnnotation = null
var revisionDeleteAnnotation = null
var revisionList = ui.modal.revision.find('.ui-revision-list')
var revision = null
var revisionTime = null
ui.modal.revision.on('show.bs.modal', function (e) {
$.get(noteurl + '/revision')
.done(function (data) {
parseRevisions(data.revision)
initRevisionViewer()
})
.fail(function (err) {
if (debug) {
console.log(err)
}
})
.always(function () {
// na
})
})
function checkRevisionViewer () {
if (revisionViewer) {
var container = $(revisionViewer.display.wrapper).parent()
$(revisionViewer.display.scroller).css('height', container.height() + 'px')
revisionViewer.refresh()
}
}
ui.modal.revision.on('shown.bs.modal', checkRevisionViewer)
$(window).resize(checkRevisionViewer)
function parseRevisions (_revisions) {
if (_revisions.length !== revisions) {
revisions = _revisions
var lastRevision = null
if (revisionList.children().length > 0) {
lastRevision = revisionList.find('.active').attr('data-revision-time')
}
revisionList.html('')
for (var i = 0; i < revisions.length; i++) {
var revision = revisions[i]
var item = $('<a href="#" class="list-group-item"></a>')
item.attr('data-revision-time', revision.time)
if (lastRevision === revision.time) item.addClass('active')
var itemHeading = $('<h5 class="list-group-item-heading"></h5>')
itemHeading.html('<i class="fa fa-clock-o"></i> ' + moment(revision.time).format('llll'))
var itemText = $('<p class="list-group-item-text"></p>')
itemText.html('<i class="fa fa-file-text"></i> Length: ' + revision.length)
item.append(itemHeading).append(itemText)
item.click(function (e) {
var time = $(this).attr('data-revision-time')
selectRevision(time)
})
revisionList.append(item)
}
if (!lastRevision) {
selectRevision(revisions[0].time)
}
}
}
function selectRevision (time) {
if (time === revisionTime) return
$.get(noteurl + '/revision/' + time)
.done(function (data) {
revision = data
revisionTime = time
var lastScrollInfo = revisionViewer.getScrollInfo()
revisionList.children().removeClass('active')
revisionList.find('[data-revision-time="' + time + '"]').addClass('active')
var content = revision.content
revisionViewer.setValue(content)
revisionViewer.scrollTo(null, lastScrollInfo.top)
revisionInsert = []
revisionDelete = []
// mark the text which have been insert or delete
if (revision.patch.length > 0) {
var bias = 0
for (var j = 0; j < revision.patch.length; j++) {
var patch = revision.patch[j]
var currIndex = patch.start1 + bias
for (var i = 0; i < patch.diffs.length; i++) {
var diff = patch.diffs[i]
// ignore if diff only contains line breaks
if ((diff[1].match(/\n/g) || []).length === diff[1].length) continue
var prePos
var postPos
switch (diff[0]) {
case 0: // retain
currIndex += diff[1].length
break
case 1: // insert
prePos = revisionViewer.posFromIndex(currIndex)
postPos = revisionViewer.posFromIndex(currIndex + diff[1].length)
revisionInsert.push({
from: prePos,
to: postPos
})
revisionViewer.markText(prePos, postPos, {
css: 'background-color: rgba(230,255,230,0.7); text-decoration: underline;'
})
currIndex += diff[1].length
break
case -1: // delete
prePos = revisionViewer.posFromIndex(currIndex)
revisionViewer.replaceRange(diff[1], prePos)
postPos = revisionViewer.posFromIndex(currIndex + diff[1].length)
revisionDelete.push({
from: prePos,
to: postPos
})
revisionViewer.markText(prePos, postPos, {
css: 'background-color: rgba(255,230,230,0.7); text-decoration: line-through;'
})
bias += diff[1].length
currIndex += diff[1].length
break
}
}
}
}
revisionInsertAnnotation.update(revisionInsert)
revisionDeleteAnnotation.update(revisionDelete)
})
.fail(function (err) {
if (debug) {
console.log(err)
}
})
.always(function () {
// na
})
}
function initRevisionViewer () {
if (revisionViewer) return
var revisionViewerTextArea = document.getElementById('revisionViewer')
revisionViewer = CodeMirror.fromTextArea(revisionViewerTextArea, {
mode: defaultEditorMode,
viewportMargin: viewportMargin,
lineNumbers: true,
lineWrapping: true,
showCursorWhenSelecting: true,
inputStyle: 'textarea',
gutters: ['CodeMirror-linenumbers'],
flattenSpans: true,
addModeClass: true,
readOnly: true,
autoRefresh: true,
scrollbarStyle: 'overlay'
})
revisionInsertAnnotation = revisionViewer.annotateScrollbar({ className: 'CodeMirror-insert-match' })
revisionDeleteAnnotation = revisionViewer.annotateScrollbar({ className: 'CodeMirror-delete-match' })
checkRevisionViewer()
}
$('#revisionModalDownload').click(function () {
if (!revision) return
var filename = renderFilename(ui.area.markdown) + '_' + revisionTime + '.md'
var blob = new Blob([revision.content], {
type: 'text/markdown;charset=utf-8'
})
saveAs(blob, filename, true)
})
$('#revisionModalRevert').click(function () {
if (!revision) return
editor.setValue(revision.content)
ui.modal.revision.modal('hide')
})
// snippet projects
ui.modal.snippetImportProjects.change(function () {
var accesstoken = $('#snippetImportModalAccessToken').val()
var baseURL = $('#snippetImportModalBaseURL').val()
var project = $('#snippetImportModalProjects').val()
var version = $('#snippetImportModalVersion').val()
$('#snippetImportModalLoading').show()
$('#snippetImportModalContent').val('/projects/' + project)
$.get(baseURL + '/api/' + version + '/projects/' + project + '/snippets?access_token=' + accesstoken)
.done(function (data) {
$('#snippetImportModalSnippets').find('option').remove().end().append('<option value="init" selected="selected" disabled="disabled">Select From Available Snippets</option>')
data.forEach(function (snippet) {
$('<option>').val(snippet.id).text(snippet.title).appendTo($('#snippetImportModalSnippets'))
})
$('#snippetImportModalLoading').hide()
$('#snippetImportModalSnippets').prop('disabled', false)
})
.fail(function (err) {
if (debug) {
console.log(err)
}
})
.always(function () {
// na
})
})
// snippet snippets
ui.modal.snippetImportSnippets.change(function () {
var snippet = $('#snippetImportModalSnippets').val()
$('#snippetImportModalContent').val($('#snippetImportModalContent').val() + '/snippets/' + snippet)
})
function scrollToTop () {
if (appState.currentMode === modeType.both) {
if (editor.getScrollInfo().top !== 0) { editor.scrollTo(0, 0) } else {
ui.area.view.animate({
scrollTop: 0
}, 100, 'linear')
}
} else {
$('body, html').stop(true, true).animate({
scrollTop: 0
}, 100, 'linear')
}
}
function scrollToBottom () {
if (appState.currentMode === modeType.both) {
var scrollInfo = editor.getScrollInfo()
var scrollHeight = scrollInfo.height
if (scrollInfo.top !== scrollHeight) { editor.scrollTo(0, scrollHeight * 2) } else {
ui.area.view.animate({
scrollTop: ui.area.view[0].scrollHeight
}, 100, 'linear')
}
} else {
$('body, html').stop(true, true).animate({
scrollTop: $(document.body)[0].scrollHeight
}, 100, 'linear')
}
}
window.scrollToTop = scrollToTop
window.scrollToBottom = scrollToBottom
var enoughForAffixToc = true
// scrollspy
function generateScrollspy () {
$(document.body).scrollspy({
target: '.scrollspy-body'
})
ui.area.view.scrollspy({
target: '.scrollspy-view'
})
$(document.body).scrollspy('refresh')
ui.area.view.scrollspy('refresh')
if (enoughForAffixToc) {
ui.toc.toc.hide()
ui.toc.affix.show()
} else {
ui.toc.affix.hide()
ui.toc.toc.show()
}
// $(document.body).scroll();
// ui.area.view.scroll();
}
function updateScrollspy () {
var headers = ui.area.markdown.find('h1, h2, h3').toArray()
var headerMap = []
for (var i = 0; i < headers.length; i++) {
headerMap.push($(headers[i]).offset().top - parseInt($(headers[i]).css('margin-top')))
}
applyScrollspyActive($(window).scrollTop(), headerMap, headers,
$('.scrollspy-body'), 0)
var offset = ui.area.view.scrollTop() - ui.area.view.offset().top
applyScrollspyActive(ui.area.view.scrollTop(), headerMap, headers,
$('.scrollspy-view'), offset - 10)
}
function applyScrollspyActive (top, headerMap, headers, target, offset) {
var index = 0
for (var i = headerMap.length - 1; i >= 0; i--) {
if (top >= (headerMap[i] + offset) && headerMap[i + 1] && top < (headerMap[i + 1] + offset)) {
index = i
break
}
}
var header = $(headers[index])
var active = target.find('a[href="#' + header.attr('id') + '"]')
active.closest('li').addClass('active').parent().closest('li').addClass('active').parent().closest('li').addClass('active')
}
// clipboard modal
// fix for wrong autofocus
$('#clipboardModal').on('shown.bs.modal', function () {
$('#clipboardModal').blur()
})
$('#clipboardModalClear').click(function () {
$('#clipboardModalContent').html('')
})
$('#clipboardModalConfirm').click(function () {
var data = $('#clipboardModalContent').html()
if (data) {
parseToEditor(data)
$('#clipboardModal').modal('hide')
$('#clipboardModalContent').html('')
}
})
// refresh modal
$('#refreshModalRefresh').click(function () {
location.reload(true)
})
// gist import modal
$('#gistImportModalClear').click(function () {
$('#gistImportModalContent').val('')
})
$('#gistImportModalConfirm').click(function () {
var gisturl = $('#gistImportModalContent').val()
if (!gisturl) return
$('#gistImportModal').modal('hide')
$('#gistImportModalContent').val('')
if (!isValidURL(gisturl)) {
showMessageModal('<i class="fa fa-github"></i> Import from Gist', 'Not a valid URL :(', '', '', false)
} else {
var hostname = window.url('hostname', gisturl)
if (hostname !== 'gist.github.com') {
showMessageModal('<i class="fa fa-github"></i> Import from Gist', 'Not a valid Gist URL :(', '', '', false)
} else {
ui.spinner.show()
$.get('https://api.github.com/gists/' + window.url('-1', gisturl))
.done(function (data) {
if (data.files) {
var contents = ''
Object.keys(data.files).forEach(function (key) {
contents += key
contents += '\n---\n'
contents += data.files[key].content
contents += '\n\n'
})
replaceAll(contents)
} else {
showMessageModal('<i class="fa fa-github"></i> Import from Gist', 'Unable to fetch gist files :(', '', '', false)
}
})
.fail(function (data) {
showMessageModal('<i class="fa fa-github"></i> Import from Gist', 'Not a valid Gist URL :(', '', JSON.stringify(data), false)
})
.always(function () {
ui.spinner.hide()
})
}
}
})
// snippet import modal
$('#snippetImportModalClear').click(function () {
$('#snippetImportModalContent').val('')
$('#snippetImportModalProjects').val('init')
$('#snippetImportModalSnippets').val('init')
$('#snippetImportModalSnippets').prop('disabled', true)
})
$('#snippetImportModalConfirm').click(function () {
var snippeturl = $('#snippetImportModalContent').val()
if (!snippeturl) return
$('#snippetImportModal').modal('hide')
$('#snippetImportModalContent').val('')
if (!/^.+\/snippets\/.+$/.test(snippeturl)) {
showMessageModal('<i class="fa fa-github"></i> Import from Snippet', 'Not a valid Snippet URL :(', '', '', false)
} else {
ui.spinner.show()
var accessToken = '?access_token=' + $('#snippetImportModalAccessToken').val()
var fullURL = $('#snippetImportModalBaseURL').val() + '/api/' + $('#snippetImportModalVersion').val() + snippeturl
$.get(fullURL + accessToken)
.done(function (data) {
var content = '# ' + (data.title || 'Snippet Import')
var fileInfo = data.file_name.split('.')
fileInfo[1] = (fileInfo[1]) ? fileInfo[1] : 'md'
$.get(fullURL + '/raw' + accessToken)
.done(function (raw) {
if (raw) {
content += '\n\n'
if (fileInfo[1] !== 'md') {
content += '```' + fileTypes[fileInfo[1]] + '\n'
}
content += raw
if (fileInfo[1] !== 'md') {
content += '\n```'
}
replaceAll(content)
}
})
.fail(function (data) {
showMessageModal('<i class="fa fa-gitlab"></i> Import from Snippet', 'Not a valid Snippet URL :(', '', JSON.stringify(data), false)
})
.always(function () {
ui.spinner.hide()
})
})
.fail(function (data) {
showMessageModal('<i class="fa fa-gitlab"></i> Import from Snippet', 'Not a valid Snippet URL :(', '', JSON.stringify(data), false)
})
}
})
// snippet export modal
$('#snippetExportModalConfirm').click(function () {
var accesstoken = $('#snippetExportModalAccessToken').val()
var baseURL = $('#snippetExportModalBaseURL').val()
var version = $('#snippetExportModalVersion').val()
var data = {
title: $('#snippetExportModalTitle').val(),
file_name: $('#snippetExportModalFileName').val(),
code: editor.getValue(),
visibility_level: $('#snippetExportModalVisibility').val(),
visibility: $('#snippetExportModalVisibility').val() === '0' ? 'private' : ($('#snippetExportModalVisibility').val() === '10' ? 'internal' : 'private')
}
if (!data.title || !data.file_name || !data.code || !data.visibility_level || !$('#snippetExportModalProjects').val()) return
$('#snippetExportModalLoading').show()
var fullURL = baseURL + '/api/' + version + '/projects/' + $('#snippetExportModalProjects').val() + '/snippets?access_token=' + accesstoken
$.post(fullURL
, data
, function (ret) {
$('#snippetExportModalLoading').hide()
$('#snippetExportModal').modal('hide')
var redirect = baseURL + '/' + $("#snippetExportModalProjects option[value='" + $('#snippetExportModalProjects').val() + "']").text() + '/snippets/' + ret.id
showMessageModal('<i class="fa fa-gitlab"></i> Export to Snippet', 'Export Successful!', redirect, 'View Snippet Here', true)
}
)
})
function parseToEditor (data) {
var parsed = toMarkdown(data)
if (parsed) { replaceAll(parsed) }
}
function replaceAll (data) {
editor.replaceRange(data, {
line: 0,
ch: 0
}, {
line: editor.lastLine(),
ch: editor.lastLine().length
}, '+input')
}
function importFromUrl (url) {
// console.log(url);
if (!url) return
if (!isValidURL(url)) {
showMessageModal('<i class="fa fa-cloud-download"></i> Import from URL', 'Not a valid URL :(', '', '', false)
return
}
$.ajax({
method: 'GET',
url: url,
success: function (data) {
var extension = url.split('.').pop()
if (extension === 'html') { parseToEditor(data) } else { replaceAll(data) }
},
error: function (data) {
showMessageModal('<i class="fa fa-cloud-download"></i> Import from URL', 'Import failed :(', '', JSON.stringify(data), false)
},
complete: function () {
ui.spinner.hide()
}
})
}
// mode
ui.toolbar.mode.click(function () {
toggleMode()
})
// edit
ui.toolbar.edit.click(function () {
changeMode(modeType.edit)
})
// view
ui.toolbar.view.click(function () {
changeMode(modeType.view)
})
// both
ui.toolbar.both.click(function () {
changeMode(modeType.both)
})
ui.toolbar.night.click(function () {
toggleNightMode()
})
// permission
// freely
ui.infobar.permission.freely.click(function () {
emitPermission('freely')
})
// editable
ui.infobar.permission.editable.click(function () {
emitPermission('editable')
})
// locked
ui.infobar.permission.locked.click(function () {
emitPermission('locked')
})
// private
ui.infobar.permission.private.click(function () {
emitPermission('private')
})
// limited
ui.infobar.permission.limited.click(function () {
emitPermission('limited')
})
// protected
ui.infobar.permission.protected.click(function () {
emitPermission('protected')
})
// delete note
ui.infobar.delete.click(function () {
$('.delete-modal').modal('show')
})
$('.ui-delete-modal-confirm').click(function () {
socket.emit('delete')
})
function toggleNightMode () {
var $body = $('body')
var isActive = ui.toolbar.night.hasClass('active')
if (isActive) {
$body.removeClass('night')
appState.nightMode = false
} else {
$body.addClass('night')
appState.nightMode = true
}
if (store.enabled) {
store.set('nightMode', !isActive)
} else {
Cookies.set('nightMode', !isActive, {
expires: 365
})
}
}
function emitPermission (_permission) {
if (_permission !== permission) {
socket.emit('permission', _permission)
}
}
function updatePermission (newPermission) {
if (permission !== newPermission) {
permission = newPermission
if (window.loaded) refreshView()
}
var label = null
var title = null
switch (permission) {
case 'freely':
label = '<i class="fa fa-leaf"></i> Freely'
title = 'Anyone can edit'
break
case 'editable':
label = '<i class="fa fa-shield"></i> Editable'
title = 'Signed people can edit'
break
case 'limited':
label = '<i class="fa fa-id-card"></i> Limited'
title = 'Signed people can edit (forbid guest)'
break
case 'locked':
label = '<i class="fa fa-lock"></i> Locked'
title = 'Only owner can edit'
break
case 'protected':
label = '<i class="fa fa-umbrella"></i> Protected'
title = 'Only owner can edit (forbid guest)'
break
case 'private':
label = '<i class="fa fa-hand-stop-o"></i> Private'
title = 'Only owner can view & edit'
break
}
if (personalInfo.userid && window.owner && personalInfo.userid === window.owner) {
label += ' <i class="fa fa-caret-down"></i>'
ui.infobar.permission.label.removeClass('disabled')
} else {
ui.infobar.permission.label.addClass('disabled')
}
ui.infobar.permission.label.html(label).attr('title', title)
}
function havePermission () {
var bool = false
switch (permission) {
case 'freely':
bool = true
break
case 'editable':
case 'limited':
if (!personalInfo.login) {
bool = false
} else {
bool = true
}
break
case 'locked':
case 'private':
case 'protected':
if (!window.owner || personalInfo.userid !== window.owner) {
bool = false
} else {
bool = true
}
break
}
return bool
}
// global module workaround
window.havePermission = havePermission
// socket.io actions
var io = require('socket.io-client')
var socket = io.connect({
path: urlpath ? '/' + urlpath + '/socket.io/' : '',
query: {
noteId: noteid
},
timeout: 5000, // 5 secs to timeout,
reconnectionAttempts: 20 // retry 20 times on connect failed
})
// overwrite original event for checking login state
var on = socket.on
socket.on = function () {
if (!checkLoginStateChanged() && !needRefresh) { return on.apply(socket, arguments) }
}
var emit = socket.emit
socket.emit = function () {
if (!checkLoginStateChanged() && !needRefresh) { emit.apply(socket, arguments) }
}
socket.on('info', function (data) {
console.error(data)
switch (data.code) {
case 403:
location.href = serverurl + '/403'
break
case 404:
location.href = serverurl + '/404'
break
case 500:
location.href = serverurl + '/500'
break
}
})
socket.on('error', function (data) {
console.error(data)
if (data.message && data.message.indexOf('AUTH failed') === 0) { location.href = serverurl + '/403' }
})
socket.on('delete', function () {
if (personalInfo.login) {
deleteServerHistory(noteid, function (err, data) {
if (!err) location.href = serverurl
})
} else {
getHistory(function (notehistory) {
var newnotehistory = removeHistory(noteid, notehistory)
saveHistory(newnotehistory)
location.href = serverurl
})
}
})
var retryTimer = null
socket.on('maintenance', function () {
cmClient.revision = -1
})
socket.on('disconnect', function (data) {
showStatus(statusType.offline)
if (window.loaded) {
saveInfo()
lastInfo.history = editor.getHistory()
}
if (!editor.getOption('readOnly')) { editor.setOption('readOnly', true) }
if (!retryTimer) {
retryTimer = setInterval(function () {
if (!needRefresh) socket.connect()
}, 1000)
}
})
socket.on('reconnect', function (data) {
// sync back any change in offline
emitUserStatus(true)
cursorActivity(editor)
socket.emit('online users')
})
socket.on('connect', function (data) {
clearInterval(retryTimer)
retryTimer = null
personalInfo['id'] = socket.id
showStatus(statusType.connected)
socket.emit('version')
})
socket.on('version', function (data) {
if (version !== data.version) {
if (version < data.minimumCompatibleVersion) {
setRefreshModal('incompatible-version')
setNeedRefresh()
} else {
setRefreshModal('new-version')
}
}
})
var authors = []
var authorship = []
var authorMarks = {} // temp variable
var addTextMarkers = [] // temp variable
function updateInfo (data) {
// console.log(data);
if (data.hasOwnProperty('createtime') && window.createtime !== data.createtime) {
window.createtime = data.createtime
updateLastChange()
}
if (data.hasOwnProperty('updatetime') && window.lastchangetime !== data.updatetime) {
window.lastchangetime = data.updatetime
updateLastChange()
}
if (data.hasOwnProperty('owner') && window.owner !== data.owner) {
window.owner = data.owner
window.ownerprofile = data.ownerprofile
updateOwner()
}
if (data.hasOwnProperty('lastchangeuser') && window.lastchangeuser !== data.lastchangeuser) {
window.lastchangeuser = data.lastchangeuser
window.lastchangeuserprofile = data.lastchangeuserprofile
updateLastChangeUser()
updateOwner()
}
if (data.hasOwnProperty('authors') && authors !== data.authors) {
authors = data.authors
}
if (data.hasOwnProperty('authorship') && authorship !== data.authorship) {
authorship = data.authorship
updateAuthorship()
}
}
var updateAuthorship = _.debounce(function () {
editor.operation(updateAuthorshipInner)
}, 50)
function initMark () {
return {
gutter: {
userid: null,
timestamp: null
},
textmarkers: []
}
}
function initMarkAndCheckGutter (mark, author, timestamp) {
if (!mark) mark = initMark()
if (!mark.gutter.userid || mark.gutter.timestamp > timestamp) {
mark.gutter.userid = author.userid
mark.gutter.timestamp = timestamp
}
return mark
}
var addStyleRule = (function () {
var added = {}
var styleElement = document.createElement('style')
document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement)
var styleSheet = styleElement.sheet
return function (css) {
if (added[css]) {
return
}
added[css] = true
styleSheet.insertRule(css, (styleSheet.cssRules || styleSheet.rules).length)
}
}())
function updateAuthorshipInner () {
// ignore when ot not synced yet
if (havePendingOperation()) return
authorMarks = {}
for (let i = 0; i < authorship.length; i++) {
var atom = authorship[i]
let author = authors[atom[0]]
if (author) {
var prePos = editor.posFromIndex(atom[1])
var preLine = editor.getLine(prePos.line)
var postPos = editor.posFromIndex(atom[2])
var postLine = editor.getLine(postPos.line)
if (prePos.ch === 0 && postPos.ch === postLine.length) {
for (let j = prePos.line; j <= postPos.line; j++) {
if (editor.getLine(j)) {
authorMarks[j] = initMarkAndCheckGutter(authorMarks[j], author, atom[3])
}
}
} else if (postPos.line - prePos.line >= 1) {
var startLine = prePos.line
var endLine = postPos.line
if (prePos.ch === preLine.length) {
startLine++
} else if (prePos.ch !== 0) {
let mark = initMarkAndCheckGutter(authorMarks[prePos.line], author, atom[3])
var _postPos = {
line: prePos.line,
ch: preLine.length
}
if (JSON.stringify(prePos) !== JSON.stringify(_postPos)) {
mark.textmarkers.push({
userid: author.userid,
pos: [prePos, _postPos]
})
startLine++
}
authorMarks[prePos.line] = mark
}
if (postPos.ch === 0) {
endLine--
} else if (postPos.ch !== postLine.length) {
let mark = initMarkAndCheckGutter(authorMarks[postPos.line], author, atom[3])
var _prePos = {
line: postPos.line,
ch: 0
}
if (JSON.stringify(_prePos) !== JSON.stringify(postPos)) {
mark.textmarkers.push({
userid: author.userid,
pos: [_prePos, postPos]
})
endLine--
}
authorMarks[postPos.line] = mark
}
for (let j = startLine; j <= endLine; j++) {
if (editor.getLine(j)) {
authorMarks[j] = initMarkAndCheckGutter(authorMarks[j], author, atom[3])
}
}
} else {
let mark = initMarkAndCheckGutter(authorMarks[prePos.line], author, atom[3])
if (JSON.stringify(prePos) !== JSON.stringify(postPos)) {
mark.textmarkers.push({
userid: author.userid,
pos: [prePos, postPos]
})
}
authorMarks[prePos.line] = mark
}
}
}
addTextMarkers = []
editor.eachLine(iterateLine)
var allTextMarks = editor.getAllMarks()
for (let i = 0; i < allTextMarks.length; i++) {
let _textMarker = allTextMarks[i]
var pos = _textMarker.find()
var found = false
for (let j = 0; j < addTextMarkers.length; j++) {
let textMarker = addTextMarkers[j]
let author = authors[textMarker.userid]
let className = 'authorship-inline-' + author.color.substr(1)
var obj = {
from: textMarker.pos[0],
to: textMarker.pos[1]
}
if (JSON.stringify(pos) === JSON.stringify(obj) && _textMarker.className &&
_textMarker.className.indexOf(className) > -1) {
addTextMarkers.splice(j, 1)
j--
found = true
break
}
}
if (!found && _textMarker.className && _textMarker.className.indexOf('authorship-inline') > -1) {
_textMarker.clear()
}
}
for (let i = 0; i < addTextMarkers.length; i++) {
let textMarker = addTextMarkers[i]
let author = authors[textMarker.userid]
const rgbcolor = hex2rgb(author.color)
const colorString = `rgba(${rgbcolor.red},${rgbcolor.green},${rgbcolor.blue},0.7)`
const styleString = `background-image: linear-gradient(to top, ${colorString} 1px, transparent 1px);`
let className = `authorship-inline-${author.color.substr(1)}`
const rule = `.${className} { ${styleString} }`
addStyleRule(rule)
editor.markText(textMarker.pos[0], textMarker.pos[1], {
className: 'authorship-inline ' + className,
title: author.name
})
}
}
function iterateLine (line) {
var lineNumber = line.lineNo()
var currMark = authorMarks[lineNumber]
var author = currMark ? authors[currMark.gutter.userid] : null
if (currMark && author) {
let className = 'authorship-gutter-' + author.color.substr(1)
const gutters = line.gutterMarkers
if (!gutters || !gutters['authorship-gutters'] ||
!gutters['authorship-gutters'].className ||
!gutters['authorship-gutters'].className.indexOf(className) < 0) {
const styleString = `border-left: 3px solid ${author.color}; height: ${defaultTextHeight}px; margin-left: 3px;`
const rule = `.${className} { ${styleString} }`
addStyleRule(rule)
var gutter = $('<div>', {
class: 'authorship-gutter ' + className,
title: author.name
})
editor.setGutterMarker(line, 'authorship-gutters', gutter[0])
}
} else {
editor.setGutterMarker(line, 'authorship-gutters', null)
}
if (currMark && currMark.textmarkers.length > 0) {
for (var i = 0; i < currMark.textmarkers.length; i++) {
let textMarker = currMark.textmarkers[i]
if (textMarker.userid !== currMark.gutter.userid) {
addTextMarkers.push(textMarker)
}
}
}
}
editorInstance.on('update', function () {
$('.authorship-gutter:not([data-original-title])').tooltip({
container: '.CodeMirror-lines',
placement: 'right',
delay: { 'show': 500, 'hide': 100 }
})
$('.authorship-inline:not([data-original-title])').tooltip({
container: '.CodeMirror-lines',
placement: 'bottom',
delay: { 'show': 500, 'hide': 100 }
})
// clear tooltip which described element has been removed
$('[id^="tooltip"]').each(function (index, element) {
var $ele = $(element)
if ($('[aria-describedby="' + $ele.attr('id') + '"]').length <= 0) $ele.remove()
})
})
socket.on('check', function (data) {
// console.log(data);
updateInfo(data)
})
socket.on('permission', function (data) {
updatePermission(data.permission)
})
var permission = null
socket.on('refresh', function (data) {
// console.log(data);
editorInstance.config.docmaxlength = data.docmaxlength
editor.setOption('maxLength', editorInstance.config.docmaxlength)
updateInfo(data)
updatePermission(data.permission)
if (!window.loaded) {
// auto change mode if no content detected
var nocontent = editor.getValue().length <= 0
if (nocontent) {
if (visibleXS) { appState.currentMode = modeType.edit } else { appState.currentMode = modeType.both }
}
// parse mode from url
if (window.location.search.length > 0) {
var urlMode = modeType[window.location.search.substr(1)]
if (urlMode) appState.currentMode = urlMode
}
changeMode(appState.currentMode)
if (nocontent && !visibleXS) {
editor.focus()
editor.refresh()
}
updateViewInner() // bring up view rendering earlier
updateHistory() // update history whether have content or not
window.loaded = true
emitUserStatus() // send first user status
updateOnlineStatus() // update first online status
setTimeout(function () {
// work around editor not refresh or doc not fully loaded
windowResizeInner()
// work around might not scroll to hash
scrollToHash()
}, 1)
}
if (editor.getOption('readOnly')) { editor.setOption('readOnly', false) }
})
var EditorClient = ot.EditorClient
var SocketIOAdapter = ot.SocketIOAdapter
var CodeMirrorAdapter = ot.CodeMirrorAdapter
var cmClient = null
var synchronized_ = null
function havePendingOperation () {
return !!((cmClient && cmClient.state && cmClient.state.hasOwnProperty('outstanding')))
}
socket.on('doc', function (obj) {
var body = obj.str
var bodyMismatch = editor.getValue() !== body
var setDoc = !cmClient || (cmClient && (cmClient.revision === -1 || (cmClient.revision !== obj.revision && !havePendingOperation()))) || obj.force
saveInfo()
if (setDoc && bodyMismatch) {
if (cmClient) cmClient.editorAdapter.ignoreNextChange = true
if (body) editor.setValue(body)
else editor.setValue('')
}
if (!window.loaded) {
editor.clearHistory()
ui.spinner.hide()
ui.content.fadeIn()
} else {
// if current doc is equal to the doc before disconnect
if (setDoc && bodyMismatch) editor.clearHistory()
else if (lastInfo.history) editor.setHistory(lastInfo.history)
lastInfo.history = null
}
if (!cmClient) {
cmClient = window.cmClient = new EditorClient(
obj.revision, obj.clients,
new SocketIOAdapter(socket), new CodeMirrorAdapter(editor)
)
synchronized_ = cmClient.state
} else if (setDoc) {
if (bodyMismatch) {
cmClient.undoManager.undoStack.length = 0
cmClient.undoManager.redoStack.length = 0
}
cmClient.revision = obj.revision
cmClient.setState(synchronized_)
cmClient.initializeClientList()
cmClient.initializeClients(obj.clients)
} else if (havePendingOperation()) {
cmClient.serverReconnect()
}
if (setDoc && bodyMismatch) {
isDirty = true
updateView()
}
restoreInfo()
})
socket.on('ack', function () {
isDirty = true
updateView()
})
socket.on('operation', function () {
isDirty = true
updateView()
})
socket.on('online users', function (data) {
if (debug) { console.debug(data) }
onlineUsers = data.users
updateOnlineStatus()
$('.CodeMirror-other-cursors').children().each(function (key, value) {
var found = false
for (var i = 0; i < data.users.length; i++) {
var user = data.users[i]
if ($(this).attr('id') === user.id) { found = true }
}
if (!found) {
$(this).stop(true).fadeOut('normal', function () {
$(this).remove()
})
}
})
for (var i = 0; i < data.users.length; i++) {
var user = data.users[i]
if (user.id !== socket.id) { buildCursor(user) } else { personalInfo = user }
}
})
socket.on('user status', function (data) {
if (debug) { console.debug(data) }
for (var i = 0; i < onlineUsers.length; i++) {
if (onlineUsers[i].id === data.id) {
onlineUsers[i] = data
}
}
updateOnlineStatus()
if (data.id !== socket.id) { buildCursor(data) }
})
socket.on('cursor focus', function (data) {
if (debug) { console.debug(data) }
for (var i = 0; i < onlineUsers.length; i++) {
if (onlineUsers[i].id === data.id) {
onlineUsers[i].cursor = data.cursor
}
}
if (data.id !== socket.id) { buildCursor(data) }
// force show
var cursor = $('div[data-clientid="' + data.id + '"]')
if (cursor.length > 0) {
cursor.stop(true).fadeIn()
}
})
socket.on('cursor activity', function (data) {
if (debug) { console.debug(data) }
for (var i = 0; i < onlineUsers.length; i++) {
if (onlineUsers[i].id === data.id) {
onlineUsers[i].cursor = data.cursor
}
}
if (data.id !== socket.id) { buildCursor(data) }
})
socket.on('cursor blur', function (data) {
if (debug) { console.debug(data) }
for (var i = 0; i < onlineUsers.length; i++) {
if (onlineUsers[i].id === data.id) {
onlineUsers[i].cursor = null
}
}
if (data.id !== socket.id) { buildCursor(data) }
// force hide
var cursor = $('div[data-clientid="' + data.id + '"]')
if (cursor.length > 0) {
cursor.stop(true).fadeOut()
}
})
var options = {
valueNames: ['id', 'name'],
item: '<li class="ui-user-item">' +
'<span class="id" style="display:none;"></span>' +
'<a href="#">' +
'<span class="pull-left"><i class="ui-user-icon"></i></span><span class="ui-user-name name"></span><span class="pull-right"><i class="fa fa-circle ui-user-status"></i></span>' +
'</a>' +
'</li>'
}
var onlineUserList = new List('online-user-list', options)
var shortOnlineUserList = new List('short-online-user-list', options)
function updateOnlineStatus () {
if (!window.loaded || !socket.connected) return
var _onlineUsers = deduplicateOnlineUsers(onlineUsers)
showStatus(statusType.online, _onlineUsers.length)
var items = onlineUserList.items
// update or remove current list items
for (let i = 0; i < items.length; i++) {
let found = false
let foundindex = null
for (let j = 0; j < _onlineUsers.length; j++) {
if (items[i].values().id === _onlineUsers[j].id) {
foundindex = j
found = true
break
}
}
let id = items[i].values().id
if (found) {
onlineUserList.get('id', id)[0].values(_onlineUsers[foundindex])
shortOnlineUserList.get('id', id)[0].values(_onlineUsers[foundindex])
} else {
onlineUserList.remove('id', id)
shortOnlineUserList.remove('id', id)
}
}
// add not in list items
for (let i = 0; i < _onlineUsers.length; i++) {
let found = false
for (let j = 0; j < items.length; j++) {
if (items[j].values().id === _onlineUsers[i].id) {
found = true
break
}
}
if (!found) {
onlineUserList.add(_onlineUsers[i])
shortOnlineUserList.add(_onlineUsers[i])
}
}
// sorting
sortOnlineUserList(onlineUserList)
sortOnlineUserList(shortOnlineUserList)
// render list items
renderUserStatusList(onlineUserList)
renderUserStatusList(shortOnlineUserList)
}
function sortOnlineUserList (list) {
// sort order by isSelf, login state, idle state, alphabet name, color brightness
list.sort('', {
sortFunction: function (a, b) {
var usera = a.values()
var userb = b.values()
var useraIsSelf = (usera.id === personalInfo.id || (usera.login && usera.userid === personalInfo.userid))
var userbIsSelf = (userb.id === personalInfo.id || (userb.login && userb.userid === personalInfo.userid))
if (useraIsSelf && !userbIsSelf) {
return -1
} else if (!useraIsSelf && userbIsSelf) {
return 1
} else {
if (usera.login && !userb.login) { return -1 } else if (!usera.login && userb.login) { return 1 } else {
if (!usera.idle && userb.idle) { return -1 } else if (usera.idle && !userb.idle) { return 1 } else {
if (usera.name && userb.name && usera.name.toLowerCase() < userb.name.toLowerCase()) {
return -1
} else if (usera.name && userb.name && usera.name.toLowerCase() > userb.name.toLowerCase()) {
return 1
} else {
if (usera.color && userb.color && usera.color.toLowerCase() < userb.color.toLowerCase()) { return -1 } else if (usera.color && userb.color && usera.color.toLowerCase() > userb.color.toLowerCase()) { return 1 } else { return 0 }
}
}
}
}
}
})
}
function renderUserStatusList (list) {
var items = list.items
for (var j = 0; j < items.length; j++) {
var item = items[j]
var userstatus = $(item.elm).find('.ui-user-status')
var usericon = $(item.elm).find('.ui-user-icon')
if (item.values().login && item.values().photo) {
usericon.css('background-image', 'url(' + item.values().photo + ')')
// add 1px more to right, make it feel aligned
usericon.css('margin-right', '6px')
$(item.elm).css('border-left', '4px solid ' + item.values().color)
usericon.css('margin-left', '-4px')
} else {
usericon.css('background-color', item.values().color)
}
userstatus.removeClass('ui-user-status-offline ui-user-status-online ui-user-status-idle')
if (item.values().idle) { userstatus.addClass('ui-user-status-idle') } else { userstatus.addClass('ui-user-status-online') }
}
}
function deduplicateOnlineUsers (list) {
var _onlineUsers = []
for (var i = 0; i < list.length; i++) {
var user = $.extend({}, list[i])
if (!user.userid) { _onlineUsers.push(user) } else {
var found = false
for (var j = 0; j < _onlineUsers.length; j++) {
if (_onlineUsers[j].userid === user.userid) {
// keep self color when login
if (user.id === personalInfo.id) {
_onlineUsers[j].color = user.color
}
// keep idle state if any of self client not idle
if (!user.idle) {
_onlineUsers[j].idle = user.idle
_onlineUsers[j].color = user.color
}
found = true
break
}
}
if (!found) { _onlineUsers.push(user) }
}
}
return _onlineUsers
}
var userStatusCache = null
function emitUserStatus (force) {
if (!window.loaded) return
var type = null
if (visibleXS) { type = 'xs' } else if (visibleSM) { type = 'sm' } else if (visibleMD) { type = 'md' } else if (visibleLG) { type = 'lg' }
personalInfo['idle'] = idle.isAway
personalInfo['type'] = type
for (var i = 0; i < onlineUsers.length; i++) {
if (onlineUsers[i].id === personalInfo.id) {
onlineUsers[i] = personalInfo
}
}
var userStatus = {
idle: idle.isAway,
type: type
}
if (force || JSON.stringify(userStatus) !== JSON.stringify(userStatusCache)) {
socket.emit('user status', userStatus)
userStatusCache = userStatus
}
}
function checkCursorTag (coord, ele) {
if (!ele) return // return if element not exists
// set margin
var tagRightMargin = 0
var tagBottomMargin = 2
// use sizer to get the real doc size (won't count status bar and gutters)
var docWidth = ui.area.codemirrorSizer.width()
// get editor size (status bar not count in)
var editorHeight = ui.area.codemirror.height()
// get element size
var width = ele.outerWidth()
var height = ele.outerHeight()
var padding = (ele.outerWidth() - ele.width()) / 2
// get coord position
var left = coord.left
var top = coord.top
// get doc top offset (to workaround with viewport)
var docTopOffset = ui.area.codemirrorSizerInner.position().top
// set offset
var offsetLeft = -3
var offsetTop = defaultTextHeight
// only do when have width and height
if (width > 0 && height > 0) {
// flip x when element right bound larger than doc width
if (left + width + offsetLeft + tagRightMargin > docWidth) {
offsetLeft = -(width + tagRightMargin) + padding + offsetLeft
}
// flip y when element bottom bound larger than doc height
// and element top position is larger than element height
if (top + docTopOffset + height + offsetTop + tagBottomMargin > Math.max(editor.doc.height, editorHeight) && top + docTopOffset > height + tagBottomMargin) {
offsetTop = -(height)
}
}
// set position
ele[0].style.left = offsetLeft + 'px'
ele[0].style.top = offsetTop + 'px'
}
function buildCursor (user) {
if (appState.currentMode === modeType.view) return
if (!user.cursor) return
var coord = editor.charCoords(user.cursor, 'windows')
coord.left = coord.left < 4 ? 4 : coord.left
coord.top = coord.top < 0 ? 0 : coord.top
var iconClass = 'fa-user'
switch (user.type) {
case 'xs':
iconClass = 'fa-mobile'
break
case 'sm':
iconClass = 'fa-tablet'
break
case 'md':
iconClass = 'fa-desktop'
break
case 'lg':
iconClass = 'fa-desktop'
break
}
if ($('div[data-clientid="' + user.id + '"]').length <= 0) {
let cursor = $('<div data-clientid="' + user.id + '" class="CodeMirror-other-cursor" style="display:none;"></div>')
cursor.attr('data-line', user.cursor.line)
cursor.attr('data-ch', user.cursor.ch)
cursor.attr('data-offset-left', 0)
cursor.attr('data-offset-top', 0)
let cursorbar = $('<div class="cursorbar">&nbsp;</div>')
cursorbar[0].style.height = defaultTextHeight + 'px'
cursorbar[0].style.borderLeft = '2px solid ' + user.color
var icon = '<i class="fa ' + iconClass + '"></i>'
let cursortag = $('<div class="cursortag">' + icon + '&nbsp;<span class="name">' + user.name + '</span></div>')
// cursortag[0].style.background = color;
cursortag[0].style.color = user.color
cursor.attr('data-mode', 'hover')
cursortag.delay(2000).fadeOut('fast')
cursor.hover(
function () {
if (cursor.attr('data-mode') === 'hover') { cursortag.stop(true).fadeIn('fast') }
},
function () {
if (cursor.attr('data-mode') === 'hover') { cursortag.stop(true).fadeOut('fast') }
})
var hideCursorTagDelay = 2000
var hideCursorTagTimer = null
var switchMode = function (ele) {
if (ele.attr('data-mode') === 'state') { ele.attr('data-mode', 'hover') } else if (ele.attr('data-mode') === 'hover') { ele.attr('data-mode', 'state') }
}
var switchTag = function (ele) {
if (ele.css('display') === 'none') { ele.stop(true).fadeIn('fast') } else { ele.stop(true).fadeOut('fast') }
}
var hideCursorTag = function () {
if (cursor.attr('data-mode') === 'hover') { cursortag.fadeOut('fast') }
}
cursor.on('touchstart', function (e) {
var display = cursortag.css('display')
cursortag.stop(true).fadeIn('fast')
clearTimeout(hideCursorTagTimer)
hideCursorTagTimer = setTimeout(hideCursorTag, hideCursorTagDelay)
if (display === 'none') {
e.preventDefault()
e.stopPropagation()
}
})
cursortag.on('mousedown touchstart', function (e) {
if (cursor.attr('data-mode') === 'state') { switchTag(cursortag) }
switchMode(cursor)
e.preventDefault()
e.stopPropagation()
})
cursor.append(cursorbar)
cursor.append(cursortag)
cursor[0].style.left = coord.left + 'px'
cursor[0].style.top = coord.top + 'px'
$('.CodeMirror-other-cursors').append(cursor)
if (!user.idle) { cursor.stop(true).fadeIn() }
checkCursorTag(coord, cursortag)
} else {
let cursor = $('div[data-clientid="' + user.id + '"]')
cursor.attr('data-line', user.cursor.line)
cursor.attr('data-ch', user.cursor.ch)
let cursorbar = cursor.find('.cursorbar')
cursorbar[0].style.height = defaultTextHeight + 'px'
cursorbar[0].style.borderLeft = '2px solid ' + user.color
let cursortag = cursor.find('.cursortag')
cursortag.find('i').removeClass().addClass('fa').addClass(iconClass)
cursortag.find('.name').text(user.name)
if (cursor.css('display') === 'none') {
cursor[0].style.left = coord.left + 'px'
cursor[0].style.top = coord.top + 'px'
} else {
cursor.animate({
'left': coord.left,
'top': coord.top
}, {
duration: cursorAnimatePeriod,
queue: false
})
}
if (user.idle && cursor.css('display') !== 'none') { cursor.stop(true).fadeOut() } else if (!user.idle && cursor.css('display') === 'none') { cursor.stop(true).fadeIn() }
checkCursorTag(coord, cursortag)
}
}
// editor actions
function removeNullByte (cm, change) {
var str = change.text.join('\n')
// eslint-disable-next-line no-control-regex
if (/\u0000/g.test(str) && change.update) {
// eslint-disable-next-line no-control-regex
change.update(change.from, change.to, str.replace(/\u0000/g, '').split('\n'))
}
}
function enforceMaxLength (cm, change) {
var maxLength = cm.getOption('maxLength')
if (maxLength && change.update) {
var str = change.text.join('\n')
var delta = str.length - (cm.indexFromPos(change.to) - cm.indexFromPos(change.from))
if (delta <= 0) {
return false
}
delta = cm.getValue().length + delta - maxLength
if (delta > 0) {
str = str.substr(0, str.length - delta)
change.update(change.from, change.to, str.split('\n'))
return true
}
}
return false
}
var ignoreEmitEvents = ['setValue', 'ignoreHistory']
editorInstance.on('beforeChange', function (cm, change) {
if (debug) { console.debug(change) }
removeNullByte(cm, change)
if (enforceMaxLength(cm, change)) {
$('.limit-modal').modal('show')
}
var isIgnoreEmitEvent = (ignoreEmitEvents.indexOf(change.origin) !== -1)
if (!isIgnoreEmitEvent) {
if (!havePermission()) {
change.canceled = true
switch (permission) {
case 'editable':
$('.signin-modal').modal('show')
break
case 'locked':
case 'private':
$('.locked-modal').modal('show')
break
}
}
} else {
if (change.origin === 'ignoreHistory') {
setHaveUnreadChanges(true)
updateTitleReminder()
}
}
if (cmClient && !socket.connected) { cmClient.editorAdapter.ignoreNextChange = true }
})
editorInstance.on('cut', function () {
// na
})
editorInstance.on('paste', function () {
// na
})
editorInstance.on('changes', function (editor, changes) {
updateHistory()
var docLength = editor.getValue().length
// workaround for big documents
var newViewportMargin = 20
if (docLength > 20000) {
newViewportMargin = 1
} else if (docLength > 10000) {
newViewportMargin = 10
} else if (docLength > 5000) {
newViewportMargin = 15
}
if (newViewportMargin !== viewportMargin) {
viewportMargin = newViewportMargin
windowResize()
}
checkEditorScrollbar()
if (ui.area.codemirrorScroll[0].scrollHeight > ui.area.view[0].scrollHeight && editorHasFocus()) {
postUpdateEvent = function () {
syncScrollToView()
postUpdateEvent = null
}
}
})
editorInstance.on('focus', function (editor) {
for (var i = 0; i < onlineUsers.length; i++) {
if (onlineUsers[i].id === personalInfo.id) {
onlineUsers[i].cursor = editor.getCursor()
}
}
personalInfo['cursor'] = editor.getCursor()
socket.emit('cursor focus', editor.getCursor())
})
const cursorActivity = _.debounce(cursorActivityInner, cursorActivityDebounce)
function cursorActivityInner (editor) {
if (editorHasFocus() && !Visibility.hidden()) {
for (var i = 0; i < onlineUsers.length; i++) {
if (onlineUsers[i].id === personalInfo.id) {
onlineUsers[i].cursor = editor.getCursor()
}
}
personalInfo['cursor'] = editor.getCursor()
socket.emit('cursor activity', editor.getCursor())
}
}
editorInstance.on('cursorActivity', editorInstance.updateStatusBar)
editorInstance.on('cursorActivity', cursorActivity)
editorInstance.on('beforeSelectionChange', editorInstance.updateStatusBar)
editorInstance.on('beforeSelectionChange', function (doc, selections) {
// check selection and whether the statusbar has added
if (selections && editorInstance.statusSelection) {
const selection = selections.ranges[0]
const anchor = selection.anchor
const head = selection.head
const start = head.line <= anchor.line ? head : anchor
const end = head.line >= anchor.line ? head : anchor
const selectionCharCount = Math.abs(head.ch - anchor.ch)
let selectionText = ' — Selected '
// borrow from brackets EditorStatusBar.js
if (start.line !== end.line) {
var lines = end.line - start.line + 1
if (end.ch === 0) {
lines--
}
selectionText += lines + ' lines'
} else if (selectionCharCount > 0) {
selectionText += selectionCharCount + ' columns'
}
if (start.line !== end.line || selectionCharCount > 0) {
editorInstance.statusSelection.text(selectionText)
} else {
editorInstance.statusSelection.text('')
}
}
})
editorInstance.on('blur', function (cm) {
for (var i = 0; i < onlineUsers.length; i++) {
if (onlineUsers[i].id === personalInfo.id) {
onlineUsers[i].cursor = null
}
}
personalInfo['cursor'] = null
socket.emit('cursor blur')
})
function saveInfo () {
var scrollbarStyle = editor.getOption('scrollbarStyle')
var left = $(window).scrollLeft()
var top = $(window).scrollTop()
switch (appState.currentMode) {
case modeType.edit:
if (scrollbarStyle === 'native') {
lastInfo.edit.scroll.left = left
lastInfo.edit.scroll.top = top
} else {
lastInfo.edit.scroll = editor.getScrollInfo()
}
break
case modeType.view:
lastInfo.view.scroll.left = left
lastInfo.view.scroll.top = top
break
case modeType.both:
lastInfo.edit.scroll = editor.getScrollInfo()
lastInfo.view.scroll.left = ui.area.view.scrollLeft()
lastInfo.view.scroll.top = ui.area.view.scrollTop()
break
}
lastInfo.edit.cursor = editor.getCursor()
lastInfo.edit.selections = editor.listSelections()
lastInfo.needRestore = true
}
function restoreInfo () {
var scrollbarStyle = editor.getOption('scrollbarStyle')
if (lastInfo.needRestore) {
var line = lastInfo.edit.cursor.line
var ch = lastInfo.edit.cursor.ch
editor.setCursor(line, ch)
editor.setSelections(lastInfo.edit.selections)
switch (appState.currentMode) {
case modeType.edit:
if (scrollbarStyle === 'native') {
$(window).scrollLeft(lastInfo.edit.scroll.left)
$(window).scrollTop(lastInfo.edit.scroll.top)
} else {
let left = lastInfo.edit.scroll.left
let top = lastInfo.edit.scroll.top
editor.scrollIntoView()
editor.scrollTo(left, top)
}
break
case modeType.view:
$(window).scrollLeft(lastInfo.view.scroll.left)
$(window).scrollTop(lastInfo.view.scroll.top)
break
case modeType.both:
let left = lastInfo.edit.scroll.left
let top = lastInfo.edit.scroll.top
editor.scrollIntoView()
editor.scrollTo(left, top)
ui.area.view.scrollLeft(lastInfo.view.scroll.left)
ui.area.view.scrollTop(lastInfo.view.scroll.top)
break
}
lastInfo.needRestore = false
}
}
// view actions
function refreshView () {
ui.area.markdown.html('')
isDirty = true
updateViewInner()
}
var updateView = _.debounce(function () {
editor.operation(updateViewInner)
}, updateViewDebounce)
var lastResult = null
var postUpdateEvent = null
function updateViewInner () {
if (appState.currentMode === modeType.edit || !isDirty) return
var value = editor.getValue()
var lastMeta = md.meta
md.meta = {}
delete md.metaError
var rendered = md.render(value)
if (md.meta.type && md.meta.type === 'slide') {
var slideOptions = {
separator: '^(\r\n?|\n)---(\r\n?|\n)$',
verticalSeparator: '^(\r\n?|\n)----(\r\n?|\n)$'
}
var slides = window.RevealMarkdown.slidify(editor.getValue(), slideOptions)
ui.area.markdown.html(slides)
window.RevealMarkdown.initialize()
// prevent XSS
ui.area.markdown.html(preventXSS(ui.area.markdown.html()))
ui.area.markdown.addClass('slides')
appState.syncscroll = false
checkSyncToggle()
} else {
if (lastMeta.type && lastMeta.type === 'slide') {
refreshView()
ui.area.markdown.removeClass('slides')
appState.syncscroll = true
checkSyncToggle()
}
// only render again when meta changed
if (JSON.stringify(md.meta) !== JSON.stringify(lastMeta)) {
parseMeta(md, ui.area.codemirror, ui.area.markdown, $('#ui-toc'), $('#ui-toc-affix'))
rendered = md.render(value)
}
// prevent XSS
rendered = preventXSS(rendered)
var result = postProcess(rendered).children().toArray()
partialUpdate(result, lastResult, ui.area.markdown.children().toArray())
if (result && lastResult && result.length !== lastResult.length) { updateDataAttrs(result, ui.area.markdown.children().toArray()) }
lastResult = $(result).clone()
}
removeDOMEvents(ui.area.markdown)
finishView(ui.area.markdown)
autoLinkify(ui.area.markdown)
deduplicatedHeaderId(ui.area.markdown)
renderTOC(ui.area.markdown)
generateToc('ui-toc')
generateToc('ui-toc-affix')
generateScrollspy()
updateScrollspy()
smoothHashScroll()
isDirty = false
clearMap()
// buildMap();
updateTitleReminder()
if (postUpdateEvent && typeof postUpdateEvent === 'function') { postUpdateEvent() }
}
var updateHistoryDebounce = 600
var updateHistory = _.debounce(updateHistoryInner, updateHistoryDebounce)
function updateHistoryInner () {
writeHistory(renderFilename(ui.area.markdown), renderTags(ui.area.markdown))
}
function updateDataAttrs (src, des) {
// sync data attr startline and endline
for (var i = 0; i < src.length; i++) {
copyAttribute(src[i], des[i], 'data-startline')
copyAttribute(src[i], des[i], 'data-endline')
}
}
function partialUpdate (src, tar, des) {
if (!src || src.length === 0 || !tar || tar.length === 0 || !des || des.length === 0) {
ui.area.markdown.html(src)
return
}
if (src.length === tar.length) { // same length
for (let i = 0; i < src.length; i++) {
copyAttribute(src[i], des[i], 'data-startline')
copyAttribute(src[i], des[i], 'data-endline')
var rawSrc = cloneAndRemoveDataAttr(src[i])
var rawTar = cloneAndRemoveDataAttr(tar[i])
if (rawSrc.outerHTML !== rawTar.outerHTML) {
// console.log(rawSrc);
// console.log(rawTar);
$(des[i]).replaceWith(src[i])
}
}
} else { // diff length
var start = 0
// find diff start position
for (let i = 0; i < tar.length; i++) {
// copyAttribute(src[i], des[i], 'data-startline');
// copyAttribute(src[i], des[i], 'data-endline');
let rawSrc = cloneAndRemoveDataAttr(src[i])
let rawTar = cloneAndRemoveDataAttr(tar[i])
if (!rawSrc || !rawTar || rawSrc.outerHTML !== rawTar.outerHTML) {
start = i
break
}
}
// find diff end position
var srcEnd = 0
var tarEnd = 0
for (let i = 0; i < src.length; i++) {
// copyAttribute(src[i], des[i], 'data-startline');
// copyAttribute(src[i], des[i], 'data-endline');
let rawSrc = cloneAndRemoveDataAttr(src[i])
let rawTar = cloneAndRemoveDataAttr(tar[i])
if (!rawSrc || !rawTar || rawSrc.outerHTML !== rawTar.outerHTML) {
start = i
break
}
}
// tar end
for (let i = 1; i <= tar.length + 1; i++) {
let srcLength = src.length
let tarLength = tar.length
// copyAttribute(src[srcLength - i], des[srcLength - i], 'data-startline');
// copyAttribute(src[srcLength - i], des[srcLength - i], 'data-endline');
let rawSrc = cloneAndRemoveDataAttr(src[srcLength - i])
let rawTar = cloneAndRemoveDataAttr(tar[tarLength - i])
if (!rawSrc || !rawTar || rawSrc.outerHTML !== rawTar.outerHTML) {
tarEnd = tar.length - i
break
}
}
// src end
for (let i = 1; i <= src.length + 1; i++) {
let srcLength = src.length
let tarLength = tar.length
// copyAttribute(src[srcLength - i], des[srcLength - i], 'data-startline');
// copyAttribute(src[srcLength - i], des[srcLength - i], 'data-endline');
let rawSrc = cloneAndRemoveDataAttr(src[srcLength - i])
let rawTar = cloneAndRemoveDataAttr(tar[tarLength - i])
if (!rawSrc || !rawTar || rawSrc.outerHTML !== rawTar.outerHTML) {
srcEnd = src.length - i
break
}
}
// check if tar end overlap tar start
var overlap = 0
for (var i = start; i >= 0; i--) {
var rawTarStart = cloneAndRemoveDataAttr(tar[i - 1])
var rawTarEnd = cloneAndRemoveDataAttr(tar[tarEnd + 1 + start - i])
if (rawTarStart && rawTarEnd && rawTarStart.outerHTML === rawTarEnd.outerHTML) { overlap++ } else { break }
}
if (debug) { console.log('overlap:' + overlap) }
// show diff content
if (debug) {
console.log('start:' + start)
console.log('tarEnd:' + tarEnd)
console.log('srcEnd:' + srcEnd)
}
tarEnd += overlap
srcEnd += overlap
var repeatAdd = (start - srcEnd) < (start - tarEnd)
var repeatDiff = Math.abs(srcEnd - tarEnd) - 1
// push new elements
var newElements = []
if (srcEnd >= start) {
for (let j = start; j <= srcEnd; j++) {
if (!src[j]) continue
newElements.push(src[j].outerHTML)
}
} else if (repeatAdd) {
for (let j = srcEnd - repeatDiff; j <= srcEnd; j++) {
if (!des[j]) continue
newElements.push(des[j].outerHTML)
}
}
// push remove elements
var removeElements = []
if (tarEnd >= start) {
for (let j = start; j <= tarEnd; j++) {
if (!des[j]) continue
removeElements.push(des[j])
}
} else if (!repeatAdd) {
for (let j = start; j <= start + repeatDiff; j++) {
if (!des[j]) continue
removeElements.push(des[j])
}
}
// add elements
if (debug) {
console.log('ADD ELEMENTS')
console.log(newElements.join('\n'))
}
if (des[start]) { $(newElements.join('')).insertBefore(des[start]) } else { $(newElements.join('')).insertAfter(des[start - 1]) }
// remove elements
if (debug) { console.log('REMOVE ELEMENTS') }
for (let j = 0; j < removeElements.length; j++) {
if (debug) {
console.log(removeElements[j].outerHTML)
}
if (removeElements[j]) { $(removeElements[j]).remove() }
}
}
}
function cloneAndRemoveDataAttr (el) {
if (!el) return
var rawEl = $(el).clone()
rawEl.removeAttr('data-startline data-endline')
rawEl.find('[data-startline]').removeAttr('data-startline data-endline')
return rawEl[0]
}
function copyAttribute (src, des, attr) {
if (src && src.getAttribute(attr) && des) { des.setAttribute(attr, src.getAttribute(attr)) }
}
if ($('.cursor-menu').length <= 0) {
$("<div class='cursor-menu'>").insertAfter('.CodeMirror-cursors')
}
function reverseSortCursorMenu (dropdown) {
var items = dropdown.find('.textcomplete-item')
items.sort(function (a, b) {
return $(b).attr('data-index') - $(a).attr('data-index')
})
return items
}
var checkCursorMenu = _.throttle(checkCursorMenuInner, cursorMenuThrottle)
function checkCursorMenuInner () {
// get element
var dropdown = $('.cursor-menu > .dropdown-menu')
// return if not exists
if (dropdown.length <= 0) return
// set margin
var menuRightMargin = 10
var menuBottomMargin = 4
// use sizer to get the real doc size (won't count status bar and gutters)
var docWidth = ui.area.codemirrorSizer.width()
// get editor size (status bar not count in)
var editorHeight = ui.area.codemirror.height()
// get element size
var width = dropdown.outerWidth()
var height = dropdown.outerHeight()
// get cursor
var cursor = editor.getCursor()
// set element cursor data
if (!dropdown.hasClass('CodeMirror-other-cursor')) { dropdown.addClass('CodeMirror-other-cursor') }
dropdown.attr('data-line', cursor.line)
dropdown.attr('data-ch', cursor.ch)
// get coord position
var coord = editor.charCoords({
line: cursor.line,
ch: cursor.ch
}, 'windows')
var left = coord.left
var top = coord.top
// get doc top offset (to workaround with viewport)
var docTopOffset = ui.area.codemirrorSizerInner.position().top
// set offset
var offsetLeft = 0
var offsetTop = defaultTextHeight
// set up side down
window.upSideDown = false
var lastUpSideDown = window.upSideDown = false
// only do when have width and height
if (width > 0 && height > 0) {
// make element right bound not larger than doc width
if (left + width + offsetLeft + menuRightMargin > docWidth) { offsetLeft = -(left + width - docWidth + menuRightMargin) }
// flip y when element bottom bound larger than doc height
// and element top position is larger than element height
if (top + docTopOffset + height + offsetTop + menuBottomMargin > Math.max(editor.doc.height, editorHeight) && top + docTopOffset > height + menuBottomMargin) {
offsetTop = -(height + menuBottomMargin)
// reverse sort menu because upSideDown
dropdown.html(reverseSortCursorMenu(dropdown))
window.upSideDown = true
}
var textCompleteDropdown = $(editor.getInputField()).data('textComplete').dropdown
lastUpSideDown = textCompleteDropdown.upSideDown
textCompleteDropdown.upSideDown = window.upSideDown
}
// make menu scroll top only if upSideDown changed
if (window.upSideDown !== lastUpSideDown) { dropdown.scrollTop(dropdown[0].scrollHeight) }
// set element offset data
dropdown.attr('data-offset-left', offsetLeft)
dropdown.attr('data-offset-top', offsetTop)
// set position
dropdown[0].style.left = left + offsetLeft + 'px'
dropdown[0].style.top = top + offsetTop + 'px'
}
function checkInIndentCode () {
// if line starts with tab or four spaces is a code block
var line = editor.getLine(editor.getCursor().line)
var isIndentCode = ((line.substr(0, 4) === ' ') || (line.substr(0, 1) === '\t'))
return isIndentCode
}
var isInCode = false
function checkInCode () {
isInCode = checkAbove(matchInCode) || checkInIndentCode()
}
function checkAbove (method) {
var cursor = editor.getCursor()
var text = []
for (var i = 0; i < cursor.line; i++) { // contain current line
text.push(editor.getLine(i))
}
text = text.join('\n') + '\n' + editor.getLine(cursor.line).slice(0, cursor.ch)
// console.log(text);
return method(text)
}
function checkBelow (method) {
var cursor = editor.getCursor()
var count = editor.lineCount()
var text = []
for (var i = cursor.line + 1; i < count; i++) { // contain current line
text.push(editor.getLine(i))
}
text = editor.getLine(cursor.line).slice(cursor.ch) + '\n' + text.join('\n')
// console.log(text);
return method(text)
}
function matchInCode (text) {
var match
match = text.match(/`{3,}/g)
if (match && match.length % 2) {
return true
} else {
match = text.match(/`/g)
if (match && match.length % 2) {
return true
} else {
return false
}
}
}
var isInContainer = false
var isInContainerSyntax = false
function checkInContainer () {
isInContainer = checkAbove(matchInContainer) && !checkInIndentCode()
}
function checkInContainerSyntax () {
// if line starts with :::, it's in container syntax
var line = editor.getLine(editor.getCursor().line)
isInContainerSyntax = (line.substr(0, 3) === ':::')
}
function matchInContainer (text) {
var match
match = text.match(/:{3,}/g)
if (match && match.length % 2) {
return true
} else {
return false
}
}
$(editor.getInputField())
.textcomplete([
{ // emoji strategy
match: /(^|\n|\s)\B:([-+\w]*)$/,
search: function (term, callback) {
var line = editor.getLine(editor.getCursor().line)
term = line.match(this.match)[2]
var list = []
$.map(window.emojify.emojiNames, function (emoji) {
if (emoji.indexOf(term) === 0) { // match at first character
list.push(emoji)
}
})
$.map(window.emojify.emojiNames, function (emoji) {
if (emoji.indexOf(term) !== -1) { // match inside the word
list.push(emoji)
}
})
callback(list)
},
template: function (value) {
return '<img class="emoji" src="' + serverurl + '/build/emojify.js/dist/images/basic/' + value + '.png"></img> ' + value
},
replace: function (value) {
return '$1:' + value + ': '
},
index: 1,
context: function (text) {
checkInCode()
checkInContainer()
checkInContainerSyntax()
return !isInCode && !isInContainerSyntax
}
},
{ // Code block language strategy
langs: supportCodeModes,
charts: supportCharts,
match: /(^|\n)```(\w+)$/,
search: function (term, callback) {
var line = editor.getLine(editor.getCursor().line)
term = line.match(this.match)[2]
var list = []
$.map(this.langs, function (lang) {
if (lang.indexOf(term) === 0 && lang !== term) { list.push(lang) }
})
$.map(this.charts, function (chart) {
if (chart.indexOf(term) === 0 && chart !== term) { list.push(chart) }
})
callback(list)
},
replace: function (lang) {
var ending = ''
if (!checkBelow(matchInCode)) {
ending = '\n\n```'
}
if (this.langs.indexOf(lang) !== -1) { return '$1```' + lang + '=' + ending } else if (this.charts.indexOf(lang) !== -1) { return '$1```' + lang + ending }
},
done: function () {
var cursor = editor.getCursor()
var text = []
text.push(editor.getLine(cursor.line - 1))
text.push(editor.getLine(cursor.line))
text = text.join('\n')
// console.log(text);
if (text === '\n```') { editor.doc.cm.execCommand('goLineUp') }
},
context: function (text) {
return isInCode
}
},
{ // Container strategy
containers: supportContainers,
match: /(^|\n):::(\s*)(\w*)$/,
search: function (term, callback) {
var line = editor.getLine(editor.getCursor().line)
term = line.match(this.match)[3].trim()
var list = []
$.map(this.containers, function (container) {
if (container.indexOf(term) === 0 && container !== term) { list.push(container) }
})
callback(list)
},
replace: function (lang) {
var ending = ''
if (!checkBelow(matchInContainer)) {
ending = '\n\n:::'
}
if (this.containers.indexOf(lang) !== -1) { return '$1:::$2' + lang + ending }
},
done: function () {
var cursor = editor.getCursor()
var text = []
text.push(editor.getLine(cursor.line - 1))
text.push(editor.getLine(cursor.line))
text = text.join('\n')
// console.log(text);
if (text === '\n:::') { editor.doc.cm.execCommand('goLineUp') }
},
context: function (text) {
return !isInCode && isInContainer
}
},
{ // header
match: /(?:^|\n)(\s{0,3})(#{1,6}\w*)$/,
search: function (term, callback) {
callback($.map(supportHeaders, function (header) {
return header.search.indexOf(term) === 0 ? header.text : null
}))
},
replace: function (value) {
return '$1' + value
},
context: function (text) {
return !isInCode
}
},
{ // extra tags for list
match: /(^[>\s]*[-+*]\s(?:\[[x ]\]|.*))(\[\])(\w*)$/,
search: function (term, callback) {
var list = []
$.map(supportExtraTags, function (extratag) {
if (extratag.search.indexOf(term) === 0) { list.push(extratag.command()) }
})
$.map(supportReferrals, function (referral) {
if (referral.search.indexOf(term) === 0) { list.push(referral.text) }
})
callback(list)
},
replace: function (value) {
return '$1' + value
},
context: function (text) {
return !isInCode
}
},
{ // extra tags for blockquote
match: /(?:^|\n|\s)(>.*|\s|)((\^|)\[(\^|)\](\[\]|\(\)|:|)\s*\w*)$/,
search: function (term, callback) {
var line = editor.getLine(editor.getCursor().line)
var quote = line.match(this.match)[1].trim()
var list = []
if (quote.indexOf('>') === 0) {
$.map(supportExtraTags, function (extratag) {
if (extratag.search.indexOf(term) === 0) { list.push(extratag.command()) }
})
}
$.map(supportReferrals, function (referral) {
if (referral.search.indexOf(term) === 0) { list.push(referral.text) }
})
callback(list)
},
replace: function (value) {
return '$1' + value
},
context: function (text) {
return !isInCode
}
},
{ // referral
match: /(^\s*|\n|\s{2})((\[\]|\[\]\[\]|\[\]\(\)|!|!\[\]|!\[\]\[\]|!\[\]\(\))\s*\w*)$/,
search: function (term, callback) {
callback($.map(supportReferrals, function (referral) {
return referral.search.indexOf(term) === 0 ? referral.text : null
}))
},
replace: function (value) {
return '$1' + value
},
context: function (text) {
return !isInCode
}
},
{ // externals
match: /(^|\n|\s)\{\}(\w*)$/,
search: function (term, callback) {
callback($.map(supportExternals, function (external) {
return external.search.indexOf(term) === 0 ? external.text : null
}))
},
replace: function (value) {
return '$1' + value
},
context: function (text) {
return !isInCode
}
}
], {
appendTo: $('.cursor-menu')
})
.on({
'textComplete:beforeSearch': function (e) {
// NA
},
'textComplete:afterSearch': function (e) {
checkCursorMenu()
},
'textComplete:select': function (e, value, strategy) {
// NA
},
'textComplete:show': function (e) {
$(this).data('autocompleting', true)
editor.setOption('extraKeys', {
'Up': function () {
return false
},
'Right': function () {
editor.doc.cm.execCommand('goCharRight')
},
'Down': function () {
return false
},
'Left': function () {
editor.doc.cm.execCommand('goCharLeft')
},
'Enter': function () {
return false
},
'Backspace': function () {
editor.doc.cm.execCommand('delCharBefore')
}
})
},
'textComplete:hide': function (e) {
$(this).data('autocompleting', false)
editor.setOption('extraKeys', editorInstance.defaultExtraKeys)
}
})