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import { |
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useCallback, |
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useEffect, |
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useLayoutEffect, |
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useRef, |
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} from '@wordpress/element'; |
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import { escapeHTML } from '@wordpress/escape-html'; |
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import { applyFilters } from '@wordpress/hooks'; |
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import { decodeEntities } from '@wordpress/html-entities'; |
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import { sprintf, __ } from '@wordpress/i18n'; |
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import Editor from 'react-simple-code-editor'; |
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import { useDefaults } from '../hooks/useDefaults'; |
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import { useTheme } from '../hooks/useTheme'; |
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import { useLanguageStore } from '../state/language'; |
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import { AttributesPropsAndSetter, Lang } from '../types'; |
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import { parseJSONArrayWithRanges } from '../util/arrayHelpers'; |
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import { computeLineHighlightColor } from '../util/colors'; |
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import { getEditorLanguage } from '../util/languages'; |
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import { MissingPermissionsTip } from './components/misc/MissingPermissions'; |
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|
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export const Edit = ({ |
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attributes, |
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setAttributes, |
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canEdit, |
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}: AttributesPropsAndSetter & { canEdit: boolean }) => { |
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const { |
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language, |
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theme, |
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code = '', |
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bgColor: backgroundColor, |
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textColor: color, |
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disablePadding, |
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lineNumbersWidth, |
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lineNumbers, |
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startingLineNumber, |
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footerType, |
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fontSize, |
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fontFamily, |
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lineHeight, |
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lineBlurs, |
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lineHighlights, |
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enableBlurring, |
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enableHighlighting, |
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seeMoreAfterLine, |
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seeMoreTransition, |
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enableMaxHeight, |
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editorHeight, |
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useDecodeURI, |
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} = attributes; |
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|
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const textAreaRef = useRef<HTMLDivElement>(null); |
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const handleChange = (code: string) => |
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setAttributes({ code: encode(code) }); |
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const { previousLanguage } = useLanguageStore(); |
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const { highlighter, error, loading } = useTheme({ |
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theme, |
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lang: language ?? previousLanguage, |
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}); |
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const hasFooter = footerType && footerType !== 'none'; |
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useDefaults({ attributes, setAttributes }); |
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|
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const decode = useCallback( |
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(code: string) => |
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useDecodeURI ? decodeURIComponent(code) : decodeEntities(code), |
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[useDecodeURI], |
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); |
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const encode = useCallback( |
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(code: string) => |
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useDecodeURI ? encodeURIComponent(code) : escapeHTML(code), |
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[useDecodeURI], |
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); |
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|
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const getHighlights = useCallback(() => { |
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if (!enableHighlighting) return []; |
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return parseJSONArrayWithRanges(lineHighlights, startingLineNumber).map( |
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(line: number) => ({ |
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line, |
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classes: ['cbp-line-highlight'], |
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}), |
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); |
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}, [enableHighlighting, lineHighlights, startingLineNumber]); |
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const getBlurs = useCallback(() => { |
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if (!enableBlurring) return []; |
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return parseJSONArrayWithRanges(lineBlurs, startingLineNumber).map( |
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(line: number) => ({ |
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line, |
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classes: ['cbp-no-blur'], |
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}), |
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); |
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}, [enableBlurring, lineBlurs, startingLineNumber]); |
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|
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useEffect(() => { |
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if (!highlighter) return; |
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setAttributes({ |
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bgColor: highlighter.getBackgroundColor(), |
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textColor: highlighter.getForegroundColor(), |
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}); |
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}, [theme, highlighter, setAttributes]); |
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|
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useEffect(() => { |
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if (!highlighter) return; |
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const l = (language ?? previousLanguage) as Lang | 'ansi'; |
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const lang = getEditorLanguage(l); |
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const c = decode(code); |
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const lineOptions = [ |
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...getHighlights(), |
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...getBlurs(), |
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enableMaxHeight && !Number.isNaN(seeMoreAfterLine) |
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? { |
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line: Number(seeMoreAfterLine), |
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classes: [ |
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'cbp-see-more-line', |
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seeMoreTransition ? 'cbp-see-more-transition' : '', |
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], |
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} |
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: {}, |
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]; |
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const rendered = |
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l === 'ansi' |
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? highlighter.ansiToHtml(c, { lineOptions }) |
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: highlighter.codeToHtml(c, { lang, lineOptions }); |
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const codeHTML = applyFilters( |
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'blocks.codeBlockPro.codeHTML', |
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rendered, |
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attributes, |
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) as string; |
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const lineHighlightColor = computeLineHighlightColor(color, attributes); |
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setAttributes({ codeHTML, lineHighlightColor }); |
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}, [ |
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highlighter, |
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seeMoreAfterLine, |
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seeMoreTransition, |
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color, |
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code, |
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enableMaxHeight, |
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language, |
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setAttributes, |
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previousLanguage, |
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attributes, |
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lineHighlights, |
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lineBlurs, |
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getBlurs, |
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getHighlights, |
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decode, |
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]); |
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|
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useLayoutEffect(() => { |
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if (!textAreaRef.current) return; |
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if (!lineNumbers) { |
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setAttributes({ lineNumbersWidth: undefined }); |
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return; |
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} |
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// Get the last line (assumingly the widest) |
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const lastLine = Array.from( |
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textAreaRef?.current?.querySelectorAll('.line') ?? [], |
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)?.at(-1) as HTMLElement; |
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// Make sure there are no width constraints |
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lastLine?.classList?.add('cbp-line-number-width-forced'); |
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const lastLineWidth = lastLine?.getBoundingClientRect()?.width ?? 0; |
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// Add .cbp-line-number-disabled to disable the line number |
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lastLine?.classList.add('cbp-line-number-disabled'); |
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// Re calculate the width of the last line |
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const newWidth = lastLine?.getBoundingClientRect()?.width ?? 0; |
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// Remove the classes |
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lastLine?.classList.remove('cbp-line-number-disabled'); |
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lastLine?.classList?.remove('cbp-line-number-width-forced'); |
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// Calculate the difference |
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if (lastLineWidth - newWidth > 0) { |
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setAttributes({ lineNumbersWidth: lastLineWidth - newWidth - 12 }); |
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} |
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}, [ |
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lineNumbers, |
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startingLineNumber, |
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code, |
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loading, |
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error, |
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textAreaRef, |
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setAttributes, |
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fontSize, |
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fontFamily, |
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lineHeight, |
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]); |
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|
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if (!loading && !highlighter) { |
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return ( |
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<div |
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className="px-4 text-left flex items-center" |
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style={{ backgroundColor, color, minHeight: 36 }}> |
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{sprintf( |
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__( |
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'Theme %s not found. Please select a different theme.', |
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'code-block-pro', |
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), |
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theme, |
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)} |
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</div> |
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); |
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} |
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|
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if ((loading && code) || error) { |
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return ( |
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<div |
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className="px-4 text-left flex items-center" |
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style={{ backgroundColor, color, minHeight: 36 }}> |
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{error?.message ?? ''} |
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</div> |
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); |
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} |
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|
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return ( |
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<div |
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ref={textAreaRef} |
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style={{ |
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maxHeight: Number(editorHeight) |
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? Number(editorHeight) |
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: undefined, |
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overflow: Number(editorHeight) ? 'auto' : undefined, |
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}}> |
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{canEdit ? null : ( |
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<div className="absolute inset-0 z-10 bg-white bg-opacity-70"> |
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<MissingPermissionsTip /> |
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</div> |
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)} |
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<Editor |
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value={decode(code)} |
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onValueChange={handleChange} |
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padding={{ |
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top: disablePadding ? 0 : 16, |
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bottom: disablePadding || hasFooter ? 0 : 16, |
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left: (() => { |
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if (!lineNumbers && disablePadding) return 0; |
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if (!lineNumbers) return 16; |
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if (disablePadding) return (lineNumbersWidth ?? 0) + 16; |
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return (lineNumbersWidth ?? 0) + 32; |
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})(), |
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right: 0, |
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}} |
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style={{ |
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backgroundColor, |
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color, |
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minHeight: canEdit ? undefined : 200, |
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}} |
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// eslint-disable-next-line |
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onKeyDown={(e: any) => |
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e.key === 'Tab' && |
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// Tab lock here. Pressing Escape will unlock. |
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textAreaRef.current?.querySelector('textarea')?.focus() |
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} |
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highlight={(code: string) => |
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highlighter |
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?.codeToHtml(decode(code), { |
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lang: getEditorLanguage( |
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language ?? previousLanguage, |
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), |
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lineOptions: [...getHighlights(), ...getBlurs()], |
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}) |
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?.replace(/<\/?[pre|code][^>]*>/g, '') |
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} |
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/> |
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</div> |
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); |
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}; |
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|
