+ Giant update to multiple users editing notes.
- Edits are done per DOM element, making diffs smaller and faster - Multiple users can now edit the same note witheout it turning into a gaint mess - Caret position is saved better and wont jump around as much + Removed Active sessions text
This commit is contained in:
Max
parent
c61f0c0198
commit
b5ef64485f
@ -592,6 +592,15 @@ padding-right: 10px;
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color: var(--main-accent);
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opacity: 1;
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}
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/* Remove indent line on mobile */
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.note-card-text > ol > ol,
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.squire-box > ol > ol,
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.note-card-text > ul > ul,
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.squire-box > ul > ul
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{
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border-left: none;
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}
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}
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@ -173,7 +173,8 @@
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<span class="status-menu" v-on:click=" hash=0; save()">
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<span v-if="diffsApplied > 0">
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+{{ diffsApplied }} Unsaved Changes
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<i class="blue wave square icon"></i>
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+{{ diffsApplied }}
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</span>
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<span v-if="usersOnNote > 1" :data-tooltip="`Viewers`" data-position="left center">
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@ -360,6 +361,8 @@
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import SquireButtonFunctions from '@/mixins/SquireButtonFunctions.js'
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let rawNoteText = '' // Used for comparing and generating diffs
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export default {
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name: 'NoteInputPanel',
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props: [ 'noteid', 'position', 'openMenu', 'urlData', 'openNotes'],
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@ -390,7 +393,6 @@
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created: '',
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updated: '',
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shareUsername: null,
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// diffNoteText: '',
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statusText: 'saved',
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lastNoteHash: null,
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saveDebounce: null, //Prevent save from being called numerous times quickly
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@ -428,6 +430,7 @@
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//Used to restore caret position
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lastRange: null,
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startOffset: 0,
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childIndex: null,
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//Tag Display
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allTags: [],
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@ -570,33 +573,31 @@
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})
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},
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initSquire(){
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initSquireEvents(){
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//Set up squire and load note text
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this.setText(this.noteText)
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// Use squire box HTML for diff/patch changes
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rawNoteText = document.getElementById('squire-id').innerHTML
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//focus on open, not on mobile, it causes the keyboard to pop up, thats annoying
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if(!this.$store.getters.getIsUserOnMobile){
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this.editor.focus()
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this.editor.moveCursorToEnd()
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}
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//Set up websockets after squire is set up
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setTimeout(() => {
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this.setupWebSockets()
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}, 500)
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this.editor.addEventListener('cursor', e => {
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//Save range to replace cursor if someone else makes an update
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this.lastRange = e.range
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this.startOffset = parseInt(e.range.startOffset)
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return
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this.saveCaretPosition(e)
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})
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//Change button states on editor when element is active
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//eg; Bold button turns green when on bold text
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this.editor.addEventListener('pathChange', e => this.pathChangeEvent(e))
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this.editor.addEventListener('pathChange', e => {
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this.pathChangeEvent(e)
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this.diffText(e)
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})
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//Click Event - Open links when clicked in editor or toggle checks
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this.editor.addEventListener('click', e => {
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@ -681,10 +682,17 @@
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})
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})
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//Bind event handlers
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this.editor.addEventListener('keyup', event => {
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this.onKeyup(event)
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this.diffText(event)
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})
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this.editor.addEventListener('focus', e => {
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// this.diffText(e)
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})
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this.editor.addEventListener('blur', e => {
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this.diffText(e)
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})
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// this.editor.addEventListener("dragstart", e => {
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@ -692,12 +700,6 @@
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// console.log(e)
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// if(){}
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// });
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//Show and hide additional toolbars
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// this.editor.addEventListener('focus', e => {
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// })
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// this.editor.addEventListener('blur', e => {
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// })
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},
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openEditAttachment(){
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@ -760,13 +762,18 @@
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//Setup all responsive vue data
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this.setupLoadedNoteData(response)
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this.loading = false
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this.$nextTick(() => {
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//Adjust note title size after load
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this.titleResize()
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this.initSquire()
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this.initSquireEvents()
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//Set up websockets after squire is set up
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setTimeout(() => {
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this.initWebsocketEvents()
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this.loading = false
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}, 500)
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})
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})
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@ -786,14 +793,11 @@
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this.created = response.data.created
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this.updated = response.data.updated
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this.lastInteractionTimestamp = +new Date
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this.noteTitle = ''
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if(response.data.title){
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this.noteTitle = response.data.title
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}
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this.noteTitle = response.data.title || ''
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this.noteText = response.data.text
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this.lastNoteHash = this.hashString( response.data.text )
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// this.diffNoteText = response.data.text
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//Setup note tags
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this.allTags = response.data.tags ? response.data.tags.split(','):[]
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@ -811,77 +815,167 @@
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return true
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},
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generateSelector(el){
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if (!(el instanceof Element))
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return;
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var path = [];
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while (el.nodeType === Node.ELEMENT_NODE) {
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var selector = el.nodeName.toLowerCase();
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if (el.id) {
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selector += '#' + el.id;
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path.unshift(selector);
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break;
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} else {
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var sib = el, nth = 1;
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while (sib = sib.previousElementSibling) {
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if (sib.nodeName.toLowerCase() == selector)
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nth++;
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}
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if (nth != 1)
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selector += ":nth-of-type("+nth+")";
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}
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path.unshift(selector);
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el = el.parentNode;
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}
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return path.join(" > ");
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},
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//Called on squire event for keyup
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diffText(event){
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// console.log(event.type)
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//Diff the changed lines only
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const diffEvents = ['keyup','pathChange', 'click']
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let oldText = this.noteText
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// let newText = this.getText()
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let newText = document.getElementById('squire-id').innerHTML
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const diff = dmp.diff_main(oldText, newText)
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// dmp.diff_cleanupSemantic(diff)
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const patch_list = dmp.patch_make(oldText, newText, diff);
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const patch_text = dmp.patch_toText(patch_list);
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if(patch_text == ''){ return }
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//Save computed diff text
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this.noteText = newText
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let newPatch = {
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id: this.rawTextId,
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diff: patch_text,
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// only process changes on certain events
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if( !diffEvents.includes(event?.type) ){
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return
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}
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this.$io.emit('note_diff', newPatch)
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},
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patchText(incomingPatchs){
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return new Promise((resolve, reject) => {
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clearTimeout(this.diffTextTimeout)
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this.diffTextTimeout = setTimeout(() => {
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if(incomingPatchs == null){ return resolve(true) }
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if(incomingPatchs.length == 0){ return resolve(true) }
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// Current Editor Text
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const liveEditorElm = document.getElementById('squire-id')
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// let currentText = this.getText()
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let currentText = document.getElementById('squire-id').innerHTML
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// virtual element for selecting div
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let virtualEditorElm = document.createElement('div')
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virtualEditorElm.innerHTML = rawNoteText
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//Convert text of all new patches into patches array
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let patches = []
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incomingPatchs.forEach(patch => {
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// element at cursor
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const elmAtCaret = window.getSelection().getRangeAt(0).startContainer.parentNode
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if(patch.time <= this.updated){
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return
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// Remove beginngin selector from path, make it more generic
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const path = this.generateSelector(elmAtCaret).replace('div#squire-id > ','')
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let workingPath = ''
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// default to entire note text, select down if path
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let selectedDivText = virtualEditorElm
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let newSelectedDivText = liveEditorElm
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if( path != ''){
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const pathParts = path.split(' > ')
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let testedPathParts = []
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let workingPathParts = []
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for (var i = 0; i < pathParts.length; i++) {
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testedPathParts.push(pathParts[i])
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let currentTestPath = testedPathParts.join(' > ')
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// console.log('elm test ',i,currentTestPath)
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let elmTest = virtualEditorElm.querySelector(currentTestPath)
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if(!elmTest){
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break
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}
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workingPathParts.push(pathParts[i])
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}
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patches.push(...dmp.patch_fromText(patch.diff))
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})
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workingPath = workingPathParts.join(' > ')
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if(workingPath){
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// Select text from virtual editor text
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selectedDivText = selectedDivText.querySelector(workingPath)
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// select text from current editor text
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newSelectedDivText = newSelectedDivText.querySelector(workingPath)
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}
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if(patches.length == 0){
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return resolve(true)
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}
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var results = dmp.patch_apply(patches, currentText);
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let newText = results[0]
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const oldDivText = selectedDivText.innerHTML
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const newDivText = newSelectedDivText.innerHTML
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this.noteText = newText
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// this.editor.setHTML(newText)
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document.getElementById('squire-id').innerHTML = newText
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if(oldDivText == newDivText){ return }
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return resolve(true)
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const diff = dmp.diff_main(oldDivText, newDivText)
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const patch_list = dmp.patch_make(oldDivText, newDivText, diff)
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const patch_text = dmp.patch_toText(patch_list)
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// save raw text for future diffs
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rawNoteText = liveEditorElm.innerHTML
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let newPatch = {
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id: this.rawTextId,
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diff: patch_text,
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path: path,
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// testing metrics
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'old text':oldDivText,
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'new text':newDivText,
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'starting path':path,
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'working path':workingPath,
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}
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// console.log('Sending out patch', newPatch)
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this.$io.emit('note_diff', newPatch)
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}, 100)
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},
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patchText(incomingPatchs){
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// console.log('incoming patches ', incomingPatchs)
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return new Promise((resolve, reject) => {
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const editorElement = document.getElementById('squire-id')
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// iterate over incoming patches because they apply to specific divs
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incomingPatchs.forEach(patch => {
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// default to parent element, change to child if set
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let editedElement = editorElement
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if(patch.path){
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editedElement = editorElement.querySelector(patch.path)
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}
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if( !editedElement ){
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editedElement = editorElement
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}
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// convert patch from text and then apply to selected element
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const patches = dmp.patch_fromText(patch.diff)
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const patchResults = dmp.patch_apply(patches, editedElement.innerHTML)
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// console.log('Patch results')
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// console.log([patch.path, editedElement.innerHTML, patchResults[0]])
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// patch changed directly into editor
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editedElement.innerHTML = patchResults[0]
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})
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// save editor HTML after change for future comparisons
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rawNoteText = editorElement.innerHTML
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this.$nextTick(() => {
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return resolve(true)
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})
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})
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},
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onKeyup(event){
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this.statusText = 'modified'
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// Small debounce on diff generation
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clearTimeout(this.diffTextTimeout)
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this.diffTextTimeout = setTimeout(() => {
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this.diffText()
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}, 25)
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//Save after x seconds
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clearTimeout(this.editDebounce)
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this.editDebounce = setTimeout(() => {
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@ -1030,11 +1124,11 @@
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})
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},
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destroyWebSockets(){
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// this.$io.removeListener('past_diffs')
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// this.$io.removeListener('update_user_count')
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// this.$io.removeListener('incoming_diff')
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this.$io.removeListener('past_diffs')
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this.$io.removeListener('update_user_count')
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this.$io.removeListener('incoming_diff')
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},
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setupWebSockets(){
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initWebsocketEvents(){
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//Tell server to push this note into a room
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this.$io.emit('join_room', this.rawTextId )
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@ -1050,37 +1144,55 @@
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this.diffsApplied = diffSinceLastUpdate.length
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// console.log('Got Diffs Total -> ', diffSinceLastUpdate)
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}
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// console.log(diffSinceLastUpdate)
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this.patchText(diffSinceLastUpdate)
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.then(() => {
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this.restoreCaretPosition()
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})
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})
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this.$io.on('incoming_diff', incomingDiff => {
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//Save current caret position
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//Find index of child element based on past range
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const element = window.getSelection().getRangeAt(0).startContainer.parentNode
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const textLines = document.getElementById('squire-id').children
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const childIndex = [...textLines].indexOf(element)
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this.patchText([incomingDiff])
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.then(() => {
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if(childIndex == -1){
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console.log('Cursor position lost. Div being updated was lost.')
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return
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}
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//Reset caret position
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//Find child index of old range and create a new one
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let allChildren = document.getElementById('squire-id').children
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const newLine = allChildren[childIndex].firstChild
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let range = document.createRange()
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range.setStart(newLine, this.startOffset)
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range.setEnd(newLine, this.startOffset)
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this.editor.setSelection(range)
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this.restoreCaretPosition()
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})
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})
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},
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saveCaretPosition(event){
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//Find index of child element based on past range
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const element = window.getSelection().getRangeAt(0).startContainer.parentNode
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//Save range to replace cursor if someone else makes an update
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this.lastRange = this.generateSelector(element)
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this.startOffset = parseInt(event.range.startOffset) || 0
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return
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},
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restoreCaretPosition(){
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return new Promise((resolve, reject) => {
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// This code is intended to restore caret position to previous location
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// when a third party updates the note.
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if(!this.lastRange){ return resolve(true) }
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const editorElement = document.getElementById('squire-id')
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const lastElement = editorElement.querySelector(this.lastRange)
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if( !lastElement ){ return resolve(true) }
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let range = document.createRange()
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range.setStart(lastElement.firstChild, this.startOffset)
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range.setEnd(lastElement.firstChild, this.startOffset)
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// Set range in editor element
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this.editor.setSelection(range)
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return resolve(true)
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})
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},
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titleResize(){
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//Resize the title field
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let element = this.$refs.titleTextarea
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@ -1102,6 +1214,11 @@
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z-index: 1019;
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text-align: right;
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}
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.status-menu span + span {
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border-left: 1px solid #ccc;
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margin-left: 4px;
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padding-left: 4px;
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}
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.font-color-bar {
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/*width: calc(100% - 8px);*/
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@ -37,10 +37,6 @@
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<paste-button />
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<span class="ui grey text text-fix">
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Active Sessions {{ $store.getters.getActiveSessions }}
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</span>
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</div>
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<div class="eight wide column" v-if="showClear">
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@ -571,7 +567,7 @@
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// @TODO Don't even trigger this if the note wasn't changed
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updateSingleNote(noteId, focuseAndAnimate = true){
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console.log('updating single note', noteId)
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// console.log('updating single note', noteId)
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noteId = parseInt(noteId)
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@ -114,29 +114,12 @@ io.on('connection', function(socket){
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//Emit all sorted diffs to user
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socket.emit('past_diffs', noteDiffs[rawTextId])
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} else {
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socket.emit('past_diffs', null)
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}
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const usersInRoom = io.sockets.adapter.rooms[rawTextId]
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if(usersInRoom){
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//Update users in room count
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io.to(rawTextId).emit('update_user_count', usersInRoom.length)
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//Debugging text - prints out notes in limbo
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let noteDiffKeys = Object.keys(noteDiffs)
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let totalDiffs = 0
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noteDiffKeys.forEach(diffSetKey => {
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if(noteDiffs[diffSetKey]){
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totalDiffs += noteDiffs[diffSetKey].length
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}
|
||||
})
|
||||
//Debugging Text
|
||||
if(noteDiffKeys.length > 0){
|
||||
console.log('Total notes in limbo -> ', noteDiffKeys.length)
|
||||
console.log('Total Diffs for all notes -> ', totalDiffs)
|
||||
}
|
||||
|
||||
}
|
||||
})
|
||||
|
||||
@ -162,31 +145,13 @@ io.on('connection', function(socket){
|
||||
|
||||
noteDiffs[noteId].push(data)
|
||||
|
||||
//Remove duplicate diffs if they exist
|
||||
for (var i = noteDiffs[noteId].length - 1; i >= 0; i--) {
|
||||
|
||||
let pastDiff = noteDiffs[noteId][i]
|
||||
|
||||
for (var j = noteDiffs[noteId].length - 1; j >= 0; j--) {
|
||||
let currentDiff = noteDiffs[noteId][j]
|
||||
|
||||
if(i == j){
|
||||
continue
|
||||
}
|
||||
|
||||
if(currentDiff.diff == pastDiff.diff || currentDiff.time == pastDiff.time){
|
||||
console.log('Removing Duplicate')
|
||||
noteDiffs[noteId].splice(i,1)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//Each user joins a room when they open the app.
|
||||
// Go over each user in this note-room
|
||||
io.in(noteId).clients((error, clients) => {
|
||||
if (error) throw error;
|
||||
|
||||
//Go through each client in note room and send them the diff
|
||||
//Go through each client in note-room and send them the diff
|
||||
clients.forEach(socketId => {
|
||||
// only send off diff if user
|
||||
if(socketId != socket.id){
|
||||
io.to(socketId).emit('incoming_diff', data)
|
||||
}
|
||||
@ -213,7 +178,6 @@ io.on('connection', function(socket){
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
noteDiffs[checkpoint.rawTextId] = diffSet.slice(0, sliceTo)
|
||||
|
||||
if(noteDiffs[checkpoint.rawTextId].length == 0){
|
||||
|
||||
Loading…
Reference in New Issue
Block a user