mirror of
https://github.com/naturalcrit/homebrewery.git
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261 lines
9.2 KiB
JavaScript
261 lines
9.2 KiB
JavaScript
/* eslint-disable max-lines */
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require('./toolBar.less');
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const React = require('react');
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const { useState, useEffect } = React;
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const _ = require('lodash');
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import { Anchored, AnchoredBox, AnchoredTrigger } from '../../../components/Anchored.jsx';
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const MAX_ZOOM = 300;
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const MIN_ZOOM = 10;
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const ToolBar = ({ displayOptions, onDisplayOptionsChange, visiblePages, totalPages, headerState, setHeaderState })=>{
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const [pageNum, setPageNum] = useState(1);
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const [toolsVisible, setToolsVisible] = useState(true);
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useEffect(()=>{
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// format multiple visible pages as a range (e.g. "150-153")
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const pageRange = visiblePages.length === 1 ? `${visiblePages[0]}` : `${visiblePages[0]} - ${visiblePages.at(-1)}`;
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setPageNum(pageRange);
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}, [visiblePages]);
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useEffect(()=>{
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const Visibility = localStorage.getItem('hb_toolbarVisibility');
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if (Visibility) setToolsVisible(Visibility === 'true');
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}, []);
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const handleZoomButton = (zoom)=>{
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handleOptionChange('zoomLevel', _.round(_.clamp(zoom, MIN_ZOOM, MAX_ZOOM)));
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};
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const handleOptionChange = (optionKey, newValue)=>{
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onDisplayOptionsChange({ ...displayOptions, [optionKey]: newValue });
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};
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const handlePageInput = (pageInput)=>{
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if(/[0-9]/.test(pageInput))
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setPageNum(parseInt(pageInput)); // input type is 'text', so `page` comes in as a string, not number.
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};
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// scroll to a page, used in the Prev/Next Page buttons.
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const scrollToPage = (pageNumber)=>{
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if(typeof pageNumber !== 'number') return;
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pageNumber = _.clamp(pageNumber, 1, totalPages);
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const iframe = document.getElementById('BrewRenderer');
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const brewRenderer = iframe?.contentWindow?.document.querySelector('.brewRenderer');
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const page = brewRenderer?.querySelector(`#p${pageNumber}`);
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page?.scrollIntoView({ block: 'start' });
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};
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const calculateChange = (mode)=>{
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const iframe = document.getElementById('BrewRenderer');
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const iframeWidth = iframe.getBoundingClientRect().width;
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const iframeHeight = iframe.getBoundingClientRect().height;
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const pages = iframe.contentWindow.document.getElementsByClassName('page');
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let desiredZoom = 0;
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if(mode == 'fill'){
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// find widest page, in case pages are different widths, so that the zoom is adapted to not cut the widest page off screen.
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const widestPage = _.maxBy([...pages], 'offsetWidth').offsetWidth;
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if(displayOptions.spread === 'facing')
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desiredZoom = (iframeWidth / ((widestPage * 2) + parseInt(displayOptions.columnGap))) * 100;
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else
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desiredZoom = (iframeWidth / (widestPage + 20)) * 100;
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} else if(mode == 'fit'){
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// find the page with the largest single dim (height or width) so that zoom can be adapted to fit it.
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let minDimRatio;
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if(displayOptions.spread === 'single')
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minDimRatio = [...pages].reduce(
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(minRatio, page)=>Math.min(minRatio,
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iframeWidth / page.offsetWidth,
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iframeHeight / page.offsetHeight
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),
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Infinity
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);
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else
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minDimRatio = [...pages].reduce(
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(minRatio, page)=>Math.min(minRatio,
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iframeWidth / ((page.offsetWidth * 2) + parseInt(displayOptions.columnGap)),
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iframeHeight / page.offsetHeight
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),
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Infinity
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);
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desiredZoom = minDimRatio * 100;
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}
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const margin = 5; // extra space so page isn't edge to edge (not truly "to fill")
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const deltaZoom = (desiredZoom - displayOptions.zoomLevel) - margin;
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return deltaZoom;
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};
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return (
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<div id='preview-toolbar' className={`toolBar ${toolsVisible ? 'visible' : 'hidden'}`} role='toolbar'>
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<div className='toggleButton'>
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<button title={`${toolsVisible ? 'Hide' : 'Show'} Preview Toolbar`} onClick={()=>{
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setToolsVisible(!toolsVisible);
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localStorage.setItem('hb_toolbarVisibility', !toolsVisible);
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}}><i className='fas fa-glasses' /></button>
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<button title={`${headerState ? 'Hide' : 'Show'} Header Navigation`} onClick={()=>{setHeaderState(!headerState);}}><i className='fas fa-rectangle-list' /></button>
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</div>
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{/*v=====----------------------< Zoom Controls >---------------------=====v*/}
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<div className='group' role='group' aria-label='Zoom' aria-hidden={!toolsVisible}>
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<button
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id='fill-width'
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className='tool'
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title='Set zoom to fill preview with one page'
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onClick={()=>handleZoomButton(displayOptions.zoomLevel + calculateChange('fill'))}
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>
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<i className='fac fit-width' />
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</button>
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<button
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id='zoom-to-fit'
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className='tool'
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title='Set zoom to fit entire page in preview'
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onClick={()=>handleZoomButton(displayOptions.zoomLevel + calculateChange('fit'))}
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>
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<i className='fac zoom-to-fit' />
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</button>
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<button
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id='zoom-out'
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className='tool'
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onClick={()=>handleZoomButton(displayOptions.zoomLevel - 20)}
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disabled={displayOptions.zoomLevel <= MIN_ZOOM}
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title='Zoom Out'
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>
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<i className='fas fa-magnifying-glass-minus' />
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</button>
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<input
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id='zoom-slider'
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className='range-input tool hover-tooltip'
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type='range'
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name='zoom'
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title='Set Zoom'
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list='zoomLevels'
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min={MIN_ZOOM}
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max={MAX_ZOOM}
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step='1'
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value={displayOptions.zoomLevel}
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onChange={(e)=>handleZoomButton(parseInt(e.target.value))}
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/>
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<datalist id='zoomLevels'>
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<option value='100' />
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</datalist>
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<button
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id='zoom-in'
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className='tool'
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onClick={()=>handleZoomButton(displayOptions.zoomLevel + 20)}
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disabled={displayOptions.zoomLevel >= MAX_ZOOM}
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title='Zoom In'
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>
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<i className='fas fa-magnifying-glass-plus' />
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</button>
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</div>
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{/*v=====----------------------< Spread Controls >---------------------=====v*/}
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<div className='group' role='group' aria-label='Spread' aria-hidden={!toolsVisible}>
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<div className='radio-group' role='radiogroup'>
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<button role='radio'
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id='single-spread'
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className='tool'
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title='Single Page'
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onClick={()=>{handleOptionChange('spread', 'single');}}
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aria-checked={displayOptions.spread === 'single'}
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><i className='fac single-spread' /></button>
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<button role='radio'
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id='facing-spread'
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className='tool'
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title='Facing Pages'
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onClick={()=>{handleOptionChange('spread', 'facing');}}
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aria-checked={displayOptions.spread === 'facing'}
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><i className='fac facing-spread' /></button>
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<button role='radio'
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id='flow-spread'
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className='tool'
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title='Flow Pages'
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onClick={()=>{handleOptionChange('spread', 'flow');}}
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aria-checked={displayOptions.spread === 'flow'}
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><i className='fac flow-spread' /></button>
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</div>
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<Anchored>
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<AnchoredTrigger id='spread-settings' className='tool' title='Spread options'><i className='fas fa-gear' /></AnchoredTrigger>
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<AnchoredBox title='Options'>
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<h1>Options</h1>
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<label title='Modify the horizontal space between pages.'>
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Column gap
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<input type='range' min={0} max={200} defaultValue={displayOptions.columnGap || 10} className='range-input' onChange={(evt)=>handleOptionChange('columnGap', evt.target.value)} />
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</label>
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<label title='Modify the vertical space between rows of pages.'>
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Row gap
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<input type='range' min={0} max={200} defaultValue={displayOptions.rowGap || 10} className='range-input' onChange={(evt)=>handleOptionChange('rowGap', evt.target.value)} />
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</label>
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<label title='Start 1st page on the right side, such as if you have cover page.'>
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Start on right
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<input type='checkbox' checked={displayOptions.startOnRight} onChange={()=>{handleOptionChange('startOnRight', !displayOptions.startOnRight);}}
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title={displayOptions.spread !== 'facing' ? 'Switch to Facing to enable toggle.' : null} />
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</label>
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<label title='Toggle the page shadow on every page.'>
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Page shadows
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<input type='checkbox' checked={displayOptions.pageShadows} onChange={()=>{handleOptionChange('pageShadows', !displayOptions.pageShadows);}} />
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</label>
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</AnchoredBox>
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</Anchored>
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</div>
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{/*v=====----------------------< Page Controls >---------------------=====v*/}
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<div className='group' role='group' aria-label='Pages' aria-hidden={!toolsVisible}>
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<button
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id='previous-page'
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className='previousPage tool'
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type='button'
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title='Previous Page(s)'
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onClick={()=>scrollToPage(_.min(visiblePages) - visiblePages.length)}
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disabled={visiblePages.includes(1)}
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>
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<i className='fas fa-arrow-left'></i>
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</button>
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<div className='tool'>
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<input
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id='page-input'
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className='text-input'
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type='text'
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name='page'
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title='Current page(s) in view'
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inputMode='numeric'
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pattern='[0-9]'
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value={pageNum}
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onClick={(e)=>e.target.select()}
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onChange={(e)=>handlePageInput(e.target.value)}
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onBlur={()=>scrollToPage(pageNum)}
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onKeyDown={(e)=>e.key == 'Enter' && scrollToPage(pageNum)}
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style={{ width: `${pageNum.length}ch` }}
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/>
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<span id='page-count' title='Total Page Count'>/ {totalPages}</span>
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</div>
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<button
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id='next-page'
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className='tool'
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type='button'
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title='Next Page(s)'
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onClick={()=>scrollToPage(_.max(visiblePages) + 1)}
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disabled={visiblePages.includes(totalPages)}
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>
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<i className='fas fa-arrow-right'></i>
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</button>
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</div>
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</div>
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);
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};
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module.exports = ToolBar;
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