import _ from 'lodash' /* eslint-disable camelcase, n/handle-callback-err, max-len, no-return-assign, */ // TODO: This file was created by bulk-decaffeinate. // Fix any style issues and re-enable lint. /* * decaffeinate suggestions: * DS102: Remove unnecessary code created because of implicit returns * DS206: Consider reworking classes to avoid initClass * DS207: Consider shorter variations of null checks * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md */ import Document from './Document' import './directives/formattingButtons' import './directives/toggleSwitch' import './controllers/SavingNotificationController' import './controllers/CompileButton' import './controllers/SwitchToPDFButton' import '../metadata/services/metadata' import { debugConsole } from '@/utils/debugging' let EditorManager export default EditorManager = (function () { EditorManager = class EditorManager { static initClass() { this.prototype._syncTimeout = null } constructor(ide, $scope, localStorage, eventTracking) { this.ide = ide this.editorOpenDocEpoch = 0 // track pending document loads this.$scope = $scope this.localStorage = localStorage this.$scope.editor = { sharejs_doc: null, open_doc_id: null, open_doc_name: null, opening: true, trackChanges: false, wantTrackChanges: false, docTooLongErrorShown: false, showVisual: this.showVisual(), showSymbolPalette: false, toggleSymbolPalette: () => { const newValue = !this.$scope.editor.showSymbolPalette this.$scope.editor.showSymbolPalette = newValue ide.$scope.$emit('south-pane-toggled', newValue) eventTracking.sendMB( newValue ? 'symbol-palette-show' : 'symbol-palette-hide' ) }, insertSymbol: symbol => { ide.$scope.$emit('editor:replace-selection', symbol.command) eventTracking.sendMB('symbol-palette-insert') }, multiSelectedCount: 0, } window.addEventListener('editor:insert-symbol', event => { this.$scope.editor.insertSymbol(event.detail) }) this.$scope.$on('entity:selected', (event, entity) => { if (this.$scope.ui.view !== 'history' && entity.type === 'doc') { return this.openDoc(entity) } }) this.$scope.$on('entity:no-selection', () => { this.$scope.$apply(() => { this.$scope.ui.view = null }) }) this.$scope.$on('entity:deleted', (event, entity) => { if (this.$scope.editor.open_doc_id === entity.id) { if (!this.$scope.project.rootDoc_id) { this.$scope.ui.view = null return } const doc = this.ide.fileTreeManager.findEntityById( this.$scope.project.rootDoc_id ) if (doc == null) { this.$scope.ui.view = null return } return this.openDoc(doc) } }) let initialized = false this.$scope.$on('file-tree:initialized', () => { if (!initialized) { initialized = true return this.autoOpenDoc() } }) this.$scope.$on('flush-changes', () => { return Document.flushAll() }) // event dispatched by pdf preview window.addEventListener('flush-changes', () => { Document.flushAll() }) window.addEventListener('blur', () => { // The browser may put the tab into sleep as it looses focus. // Flushing the documents should help with keeping the documents in // sync: we can use any new version of the doc that the server may // present us. There should be no need to insert local changes into // the doc history as the user comes back. debugConsole.log('[EditorManager] forcing flush onblur') Document.flushAll() }) this.$scope.$watch('editor.wantTrackChanges', value => { if (value == null) { return } return this._syncTrackChangesState(this.$scope.editor.sharejs_doc) }) window.addEventListener('editor:open-doc', event => { const { doc, ...options } = event.detail this.openDoc(doc, options) }) window.addEventListener('editor:open-file', event => { const { name, ...options } = event.detail for (const extension of ['', '.tex']) { const path = `${name}${extension}` const doc = ide.fileTreeManager.findEntityByPath(path) if (doc) { this.openDoc(doc, options) break } } }) } getEditorType() { if (!this.$scope.editor.sharejs_doc) { return null } let editorType = this.$scope.editor.sharejs_doc.editorType() if (editorType === 'cm6' && this.$scope.editor.showVisual) { editorType = 'cm6-rich-text' } return editorType } showVisual() { return ( this.localStorage(`editor.mode.${this.$scope.project_id}`) === 'rich-text' ) } autoOpenDoc() { const open_doc_id = this.ide.localStorage(`doc.open_id.${this.$scope.project_id}`) || this.$scope.project.rootDoc_id if (open_doc_id == null) { return } const doc = this.ide.fileTreeManager.findEntityById(open_doc_id) if (doc == null) { return } return this.openDoc(doc) } openDocId(doc_id, options) { if (options == null) { options = {} } const doc = this.ide.fileTreeManager.findEntityById(doc_id) if (doc == null) { return } return this.openDoc(doc, options) } jumpToLine(options) { return this.$scope.$broadcast( 'editor:gotoLine', options.gotoLine, options.gotoColumn, options.syncToPdf ) } openDoc(doc, options) { if (options == null) { options = {} } debugConsole.log(`[openDoc] Opening ${doc.id}`) if (this.$scope.ui.view === 'editor') { // store position of previous doc before switching docs this.$scope.$broadcast('store-doc-position') } this.$scope.ui.view = 'editor' const done = isNewDoc => { const eventName = 'doc:after-opened' this.$scope.$broadcast(eventName, { isNewDoc }) window.dispatchEvent(new CustomEvent(eventName, { detail: isNewDoc })) if (options.gotoLine != null) { // allow Ace to display document before moving, delay until next tick // added delay to make this happen later that gotoStoredPosition in // CursorPositionManager setTimeout(() => this.jumpToLine(options)) // when opening a doc in CM6, jump to the line again after a stored scroll position has been restored if (isNewDoc) { window.addEventListener( 'editor:scroll-position-restored', () => this.jumpToLine(options), { once: true } ) } } else if (options.gotoOffset != null) { setTimeout(() => { this.$scope.$broadcast('editor:gotoOffset', options.gotoOffset) }) } } // If we already have the document open we can return at this point. // Note: only use forceReopen:true to override this when the document is // is out of sync and needs to be reloaded from the server. if (doc.id === this.$scope.editor.open_doc_id && !options.forceReopen) { // automatically update the file tree whenever the file is opened this.ide.fileTreeManager.selectEntity(doc) this.$scope.$broadcast('file-tree.reselectDoc', doc.id) this.$scope.$apply(() => { return done(false) }) return } this.$scope.$applyAsync(() => { // We're now either opening a new document or reloading a broken one. this.$scope.editor.open_doc_id = doc.id this.$scope.editor.open_doc_name = doc.name this.ide.localStorage(`doc.open_id.${this.$scope.project_id}`, doc.id) this.ide.fileTreeManager.selectEntity(doc) this.$scope.editor.opening = true return this._openNewDocument(doc, (error, sharejs_doc) => { if (error && error.message === 'another document was loaded') { debugConsole.log( `[openDoc] another document was loaded while ${doc.id} was loading` ) return } if (error != null) { this.ide.showGenericMessageModal( 'Error opening document', 'Sorry, something went wrong opening this document. Please try again.' ) return } this._syncTrackChangesState(sharejs_doc) this.$scope.$broadcast('doc:opened') return this.$scope.$applyAsync(() => { this.$scope.editor.opening = false this.$scope.editor.sharejs_doc = sharejs_doc return done(true) }) }) }) } _openNewDocument(doc, callback) { // Leave the current document // - when we are opening a different new one, to avoid race conditions // between leaving and joining the same document // - when the current one has pending ops that need flushing, to avoid // race conditions from cleanup const current_sharejs_doc = this.$scope.editor.sharejs_doc const currentDocId = current_sharejs_doc && current_sharejs_doc.doc_id const hasBufferedOps = current_sharejs_doc && current_sharejs_doc.hasBufferedOps() const changingDoc = current_sharejs_doc && currentDocId !== doc.id if (changingDoc || hasBufferedOps) { debugConsole.log('[_openNewDocument] Leaving existing open doc...') // Do not trigger any UI changes from remote operations this._unbindFromDocumentEvents(current_sharejs_doc) // Keep listening for out-of-sync and similar errors. this._attachErrorHandlerToDocument(doc, current_sharejs_doc) // Teardown the Document -> ShareJsDoc -> sharejs doc // By the time this completes, the Document instance is no longer // registered in Document.openDocs and _doOpenNewDocument can start // from scratch -- read: no corrupted internal state. const editorOpenDocEpoch = ++this.editorOpenDocEpoch current_sharejs_doc.leaveAndCleanUp(error => { if (error) { debugConsole.log( `[_openNewDocument] error leaving doc ${currentDocId}`, error ) return callback(error) } if (this.editorOpenDocEpoch !== editorOpenDocEpoch) { debugConsole.log( `[openNewDocument] editorOpenDocEpoch mismatch ${this.editorOpenDocEpoch} vs ${editorOpenDocEpoch}` ) return callback(new Error('another document was loaded')) } this._doOpenNewDocument(doc, callback) }) } else { this._doOpenNewDocument(doc, callback) } } _doOpenNewDocument(doc, callback) { if (callback == null) { callback = function () {} } debugConsole.log('[_doOpenNewDocument] Opening...') const new_sharejs_doc = Document.getDocument(this.ide, doc.id) const editorOpenDocEpoch = ++this.editorOpenDocEpoch return new_sharejs_doc.join(error => { if (error != null) { debugConsole.log( `[_doOpenNewDocument] error joining doc ${doc.id}`, error ) return callback(error) } if (this.editorOpenDocEpoch !== editorOpenDocEpoch) { debugConsole.log( `[openNewDocument] editorOpenDocEpoch mismatch ${this.editorOpenDocEpoch} vs ${editorOpenDocEpoch}` ) new_sharejs_doc.leaveAndCleanUp() return callback(new Error('another document was loaded')) } this._bindToDocumentEvents(doc, new_sharejs_doc) return callback(null, new_sharejs_doc) }) } _attachErrorHandlerToDocument(doc, sharejs_doc) { sharejs_doc.on('error', (error, meta, editorContent) => { let message if ((error != null ? error.message : undefined) != null) { ;({ message } = error) } else if (typeof error === 'string') { message = error } else { message = '' } if (/maxDocLength/.test(message)) { this.$scope.docTooLongErrorShown = true this.openDoc(doc, { forceReopen: true }) const genericMessageModal = this.ide.showGenericMessageModal( 'Document Too Long', 'Sorry, this file is too long to be edited manually. Please upload it directly.' ) genericMessageModal.result.finally(() => { this.$scope.docTooLongErrorShown = false }) } else if (/too many comments or tracked changes/.test(message)) { this.ide.showGenericMessageModal( 'Too many comments or tracked changes', 'Sorry, this file has too many comments or tracked changes. Please try accepting or rejecting some existing changes, or resolving and deleting some comments.' ) } else if (!this.$scope.docTooLongErrorShown) { // Do not allow this doc to open another error modal. sharejs_doc.off('error') // Preserve the sharejs contents before the teardown. editorContent = typeof editorContent === 'string' ? editorContent : sharejs_doc.doc._doc.snapshot // Tear down the ShareJsDoc. if (sharejs_doc.doc) sharejs_doc.doc.clearInflightAndPendingOps() // Do not re-join after re-connecting. sharejs_doc.leaveAndCleanUp() this.ide.connectionManager.disconnect({ permanent: true }) this.ide.reportError(error, meta) // Tell the user about the error state. this.$scope.editor.error_state = true this.ide.showOutOfSyncModal( 'Out of sync', "Sorry, this file has gone out of sync and we need to do a full refresh.
Please see this help guide for more information", editorContent ) // Do not forceReopen the document. return } const removeHandler = this.$scope.$on('project:joined', () => { this.openDoc(doc, { forceReopen: true }) removeHandler() }) }) } _bindToDocumentEvents(doc, sharejs_doc) { this._attachErrorHandlerToDocument(doc, sharejs_doc) return sharejs_doc.on('externalUpdate', update => { if (this._ignoreExternalUpdates) { return } if ( _.property(['meta', 'type'])(update) === 'external' && _.property(['meta', 'source'])(update) === 'git-bridge' ) { return } return this.ide.showGenericMessageModal( 'Document Updated Externally', 'This document was just updated externally. Any recent changes you have made may have been overwritten. To see previous versions please look in the history.' ) }) } _unbindFromDocumentEvents(document) { return document.off() } getCurrentDocValue() { return this.$scope.editor.sharejs_doc != null ? this.$scope.editor.sharejs_doc.getSnapshot() : undefined } getCurrentDocId() { return this.$scope.editor.open_doc_id } startIgnoringExternalUpdates() { return (this._ignoreExternalUpdates = true) } stopIgnoringExternalUpdates() { return (this._ignoreExternalUpdates = false) } _syncTrackChangesState(doc) { let tryToggle if (doc == null) { return } if (this._syncTimeout != null) { clearTimeout(this._syncTimeout) this._syncTimeout = null } const want = this.$scope.editor.wantTrackChanges const have = doc.getTrackingChanges() if (want === have) { this.$scope.editor.trackChanges = want return } return (tryToggle = () => { const saved = doc.getInflightOp() == null && doc.getPendingOp() == null if (saved) { doc.setTrackingChanges(want) return this.$scope.$apply(() => { return (this.$scope.editor.trackChanges = want) }) } else { return (this._syncTimeout = setTimeout(tryToggle, 100)) } })() } } EditorManager.initClass() return EditorManager })()