mirror of
https://github.com/naturalcrit/homebrewery.git
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294 lines
11 KiB
React
294 lines
11 KiB
React
import React, { useState, useEffect, useEffectEvent, useRef } from 'react';
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import { printCurrentBrew, fetchThemeBundle } from '@shared/helpers.js';
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import _ from 'lodash';
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import Headtags from '@vitreum/headtags.js';
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import SplitPane from '@components/splitPane/splitPane.jsx';
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import Editor from '../editor/editor.jsx';
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import BrewRenderer from '../brewRenderer/brewRenderer.jsx';
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import LockNotification from '../pages/editPage/lockNotification/lockNotification.jsx';
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const Meta = Headtags.Meta;
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//===---- Navbar
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import Nav from '@navbar/nav.jsx';
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import Navbar from '@navbar/navbar.jsx';
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import NewBrewItem from '@navbar/newbrew.navitem.jsx';
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import AccountNavItem from '@navbar/account.navitem.jsx';
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import ErrorNavItem from '@navbar/error-navitem.jsx';
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import HelpNavItem from '@navbar/help.navitem.jsx';
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import VaultNavItem from '@navbar/vault.navitem.jsx';
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import PrintNavItem from '@navbar/print.navitem.jsx';
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import ShareNavItem from '@navbar/share.navitem.jsx';
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import RecentNavItems from '@navbar/recent.navitem.jsx';
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const { both: RecentNavItem } = RecentNavItems;
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const AUTOSAVE_KEY = 'HB_editor_autoSaveOn';
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const SAVE_TIMEOUT = 10000; //Autosave 10 seconds after last change
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const UNSAVED_WARNING_TIMEOUT = 900000; //Warn user afer 15 minutes of unsaved changes
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const UNSAVED_WARNING_POPUP_TIMEOUT = 4000; //Show the warning for 4 seconds
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export default function useCommonEditPageFunctions(dependencies) {
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const {
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saveGoogle,
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error,
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setError,
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currentBrew,
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setCurrentBrew,
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useLocalStorage,
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BREWKEY,
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STYLEKEY,
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SNIPKEY,
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METAKEY,
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hbfm,
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sandbox,
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showFloatingButtons,
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lastSavedBrew,
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save,
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pageName,
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renderGoogleDriveIcon = ()=>{},
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showEditorButtons,
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userThemes = {}
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} = dependencies;
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const [isSaving, setIsSaving] = useState(false);
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const [lastSavedTime, setLastSavedTime] = useState(new Date());
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const [autoSaveEnabled, setAutoSaveEnabled] = useState(!sandbox);
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const [warnUnsavedChanges, setWarnUnsavedChanges] = useState(true);
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const [unsavedChanges, setUnsavedChanges] = useState(false);
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const [themeBundle, setThemeBundle] = useState({});
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const [HTMLErrors, setHTMLErrors] = useState(hbfm.validate(currentBrew.text));
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const [currentEditorViewPageNum, setCurrentEditorViewPageNum] = useState(1);
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const [currentEditorCursorPageNum, setCurrentEditorCursorPageNum] = useState(1);
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const [currentBrewRendererPageNum, setCurrentBrewRendererPageNum] = useState(1);
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const unsavedChangesRef = useRef(unsavedChanges); // onBeforeUnload lives outside React and needs ref to unsavedChanges
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const warnUnsavedTimeout = useRef(null); // timers live outside React and need ref to consistently track time
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const saveTimeout = useRef(null);
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const editorRef = useRef(null);
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//==--------- Page setup ----------==//
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useEffect(()=>{
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const autoSavePref = !sandbox && JSON.parse(localStorage.getItem(AUTOSAVE_KEY) ?? true);
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setAutoSaveEnabled(autoSavePref);
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setWarnUnsavedChanges(!autoSavePref);
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fetchThemeBundle(setError, setThemeBundle, currentBrew.renderer, currentBrew.theme);
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const handleControlKeys = (e)=>{
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if(!(e.ctrlKey || e.metaKey)) return;
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if(e.keyCode === 83) trySave(true, true, saveGoogle);
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if(e.keyCode === 80) printCurrentBrew();
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if([83, 80].includes(e.keyCode)) {
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e.stopPropagation();
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e.preventDefault();
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}
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};
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document.addEventListener('keydown', handleControlKeys);
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window.onbeforeunload = ()=>{
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if(unsavedChangesRef.current)
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return 'You have unsaved changes!';
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};
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return ()=>{
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document.removeEventListener('keydown', handleControlKeys);
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window.onbeforeunload = null;
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};
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}, []);
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//======----- Check for unsaved changes and autosave if enabled -----======
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useEffect(()=>{
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const hasChange = !_.isEqual(currentBrew, lastSavedBrew.current);
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setUnsavedChanges(hasChange);
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unsavedChangesRef.current = hasChange;
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if(autoSaveEnabled) trySave(false, hasChange, saveGoogle);
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}, [currentBrew]);
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const resetWarnUnsavedTimer = ()=>{
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setTimeout(()=>setWarnUnsavedChanges(false), UNSAVED_WARNING_POPUP_TIMEOUT); // Hide the warning after 4 seconds
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clearTimeout(warnUnsavedTimeout.current);
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warnUnsavedTimeout.current = setTimeout(()=>setWarnUnsavedChanges(true), UNSAVED_WARNING_TIMEOUT); // 15 minutes between unsaved work warnings
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};
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const handleSplitMove = ()=>{
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editorRef.current.update();
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};
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const handleBrewChange = (field)=>(value, subfield)=>{ //'text', 'style', 'snippets', 'metadata'
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if(subfield == 'renderer' || subfield == 'theme')
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fetchThemeBundle(setError, setThemeBundle, value.renderer, value.theme);
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//If there are HTML errors, run the validator on every change to give quick feedback
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if(HTMLErrors.length && (field == 'text' || field == 'snippets'))
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setHTMLErrors(hbfm.validate(value));
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if(field == 'metadata') setCurrentBrew((prev)=>({ ...prev, ...value }));
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else setCurrentBrew((prev)=>({ ...prev, [field]: value }));
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if(useLocalStorage) {
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if(field == 'text') localStorage.setItem(BREWKEY, value);
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if(field == 'style') localStorage.setItem(STYLEKEY, value);
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if(field == 'snippets') localStorage.setItem(SNIPKEY, value);
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if(field == 'metadata') localStorage.setItem(METAKEY, JSON.stringify({
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renderer : value.renderer,
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theme : value.theme,
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lang : value.lang
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}));
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}
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};
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const toggleAutoSave = ()=>{
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clearTimeout(warnUnsavedTimeout.current);
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clearTimeout(saveTimeout.current);
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localStorage.setItem(AUTOSAVE_KEY, JSON.stringify(!autoSaveEnabled));
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setAutoSaveEnabled(!autoSaveEnabled);
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setWarnUnsavedChanges(autoSaveEnabled);
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};
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const clearError = ()=>{
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setError(null);
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setIsSaving(false);
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};
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const trySave = useEffectEvent((forceSave = false, hasChanges = true, saveToGoogle = false)=>{
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clearTimeout(saveTimeout.current);
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if(isSaving) return;
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if(!forceSave && !hasChanges) return;
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const newTimeout = forceSave ? 0 : SAVE_TIMEOUT;
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saveTimeout.current = setTimeout(async ()=>{
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setIsSaving(true);
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setError(null);
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setHTMLErrors(hbfm.validate(currentBrew.text));
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await save(currentBrew, saveToGoogle)
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.catch((err)=>{setError(err);});
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setIsSaving(false);
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setLastSavedTime(new Date());
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if(!autoSaveEnabled) resetWarnUnsavedTimer();
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}, newTimeout);
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});
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const renderSaveButton = ()=>{
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if(isSaving)
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return <Nav.item className='save' icon='fas fa-spinner fa-spin'>saving...</Nav.item>;
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if(unsavedChanges && warnUnsavedChanges) {
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resetWarnUnsavedTimer();
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const elapsedTime = Math.round((new Date() - lastSavedTime) / 1000 / 60);
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const text = elapsedTime === 0
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? `Autosave is OFF${sandbox ? ' for this sandbox page' : ''}.`
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: `Autosave is OFF${sandbox ? ' for this sandbox page' : ''}, and you haven't saved for ${elapsedTime} minutes.`;
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return <Nav.item className='save error' icon='fas fa-exclamation-circle'>
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Reminder...
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<div className='errorContainer'>{text}</div>
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</Nav.item>;
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}
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if(unsavedChanges)
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return <Nav.item className='save' onClick={()=>trySave(true, true, saveGoogle)} color='blue' icon='fas fa-save'>save now</Nav.item>;
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if(autoSaveEnabled)
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return <Nav.item className='save saved'>auto-saved</Nav.item>;
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if(sandbox)
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return <Nav.item className='save neverSaved' disabled={true}>save now</Nav.item>;
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return <Nav.item className='save saved'>saved</Nav.item>;
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};
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//TODO: Candidate for refactor/rename; used with history tool to load previous verion; may overlap with snippet injection or handleBrewChange
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const updateBrew = (newData)=>setCurrentBrew((prevBrew)=>({
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...prevBrew,
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style : newData.style,
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text : newData.text,
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snippets : newData.snippets
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}));
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const renderNavbar = ()=>(
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<Navbar>
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<Nav.section>
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<Nav.item className='brewTitle'>{currentBrew.title}</Nav.item>
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</Nav.section>
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<Nav.section>
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{renderGoogleDriveIcon()}
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{error
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? <ErrorNavItem error={error} clearError={clearError} />
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: <Nav.dropdown className='save-menu'>
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{renderSaveButton()}
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{pageName == "editPage" && renderAutoSaveButton()}
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</Nav.dropdown>}
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<NewBrewItem />
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<PrintNavItem />
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<HelpNavItem />
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<VaultNavItem />
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{(pageName == "editPage") && <ShareNavItem brew={currentBrew} currentPage={currentBrewRendererPageNum} />}
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<RecentNavItem brew={currentBrew} storageKey={(pageName == "editPage") ? 'edit' : undefined} />
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<AccountNavItem />
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</Nav.section>
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</Navbar>
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);
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const renderAutoSaveButton = ()=>(
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<Nav.item onClick={toggleAutoSave}>
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Autosave <i className={autoSaveEnabled ? 'fas fa-power-off active' : 'fas fa-power-off'}></i>
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</Nav.item>
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);
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const renderFloatingSaveButtons = ()=>(
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<>
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<div className={`floatingSaveButton${unsavedChanges ? ' show' : ''}`} onClick={()=>trySave(true, true, saveGoogle)}>
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Save current <i className='fas fa-save' />
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</div>
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<a href='/new' className='floatingNewButton'>
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Create your own <i className='fas fa-magic' />
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</a>
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</>
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);
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const renderPanels = ()=>(
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<div className= {`${pageName} sitePage`}>
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<Meta name='google-site-verification' content='NwnAQSSJZzAT7N-p5MY6ydQ7Njm67dtbu73ZSyE5Fy4' />
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{(pageName == 'editPage') && <Meta name='robots' content='noindex, nofollow' />}
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{renderNavbar()}
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{currentBrew.lock && <LockNotification shareId={currentBrew.shareId} message={currentBrew.lock.editMessage} reviewRequested={currentBrew.lock.reviewRequested}/>}
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<div className='content'>
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<SplitPane onDragFinish={handleSplitMove}>
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<Editor
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ref={editorRef}
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brew={currentBrew}
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onBrewChange={handleBrewChange}
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reportError={setError}
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renderer={currentBrew.renderer}
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userThemes={userThemes}
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showEditButtons={showEditorButtons}
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themeBundle={themeBundle}
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updateBrew={updateBrew}
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onCursorPageChange={setCurrentEditorCursorPageNum}
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onViewPageChange={setCurrentEditorViewPageNum}
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currentEditorViewPageNum={currentEditorViewPageNum}
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currentEditorCursorPageNum={currentEditorCursorPageNum}
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currentBrewRendererPageNum={currentBrewRendererPageNum}
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/>
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<BrewRenderer
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lang={currentBrew.lang}
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text={currentBrew.text}
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style={currentBrew.style}
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renderer={currentBrew.renderer}
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themeBundle={themeBundle}
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errors={HTMLErrors}
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onPageChange={setCurrentBrewRendererPageNum}
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currentEditorCursorPageNum={currentEditorCursorPageNum}
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allowPrint={true} //TODO: candidate for cleanup in brewRenderer. Homepage only place where allowPrint = false. Vote OK to allow print everywhere
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/>
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</SplitPane>
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</div>
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{showFloatingButtons && renderFloatingSaveButtons()}
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</div>
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);
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return {
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trySave,
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renderPanels
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};
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} |