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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | 1x 1x 1x 1x 12285x 12285x 2457x 2457x 2457x 2457x 2457x 2457x 2457x 2457x 2457x 2457x 2457x 2457x 2457x 37x 23x 2397x 2457x 5x 2452x 2457x 137x 2320x 4914x 76x 496x 4342x 4342x 2179x 45x 4342x 3196x 3196x 43x 43x 4342x | import { getObjectKeys } from '../../domUtils/getObjectKeys'; import type { ContentModelBlockFormat, ContentModelCode, ContentModelFormatBase, ContentModelLink, ContentModelParagraphDecorator, ContentModelSegmentFormat, DomToModelContext, } from 'roosterjs-content-model-types'; /** * @internal */ export interface StackFormatOptions { segment?: 'shallowClone' | 'shallowCloneForBlock' | 'empty'; paragraph?: 'shallowClone' | 'shallowCloneForGroup' | 'empty'; blockDecorator?: 'empty'; link?: 'linkDefault' | 'cloneFormat' | 'empty'; code?: 'codeDefault' | 'empty'; } // Some styles, such as background color, won't be inherited by block element if it was originally // declared from an inline element. So we need to skip them. // e.g. // <span style="background-color: red"> // line 1 <---------------------------- in red here // <div>line 2</div> <---------------------- not in red here // </span> const SkippedStylesForBlockOnSegmentOnSegment: (keyof ContentModelSegmentFormat)[] = [ 'backgroundColor', ]; const SkippedStylesForTable: (keyof ContentModelBlockFormat)[] = [ 'marginLeft', 'marginRight', 'paddingLeft', 'paddingRight', ]; /** * @internal */ export function stackFormat( context: DomToModelContext, options: StackFormatOptions, callback: () => void ) { const { segmentFormat, blockFormat, link: linkFormat, code: codeFormat, blockDecorator: decoratorFormat, } = context; const { segment, paragraph, link, code, blockDecorator } = options; try { context.segmentFormat = stackFormatInternal(segmentFormat, segment); context.blockFormat = stackFormatInternal(blockFormat, paragraph); context.link = stackLinkInternal(linkFormat, link); context.code = stackCodeInternal(codeFormat, code); context.blockDecorator = stackDecoratorInternal(decoratorFormat, blockDecorator); callback(); } finally { context.segmentFormat = segmentFormat; context.blockFormat = blockFormat; context.link = linkFormat; context.code = codeFormat; context.blockDecorator = decoratorFormat; } } function stackLinkInternal( linkFormat: ContentModelLink, link?: 'linkDefault' | 'cloneFormat' | 'empty' ) { switch (link) { case 'linkDefault': return { format: { underline: true, }, dataset: {}, }; case 'empty': return { format: {}, dataset: {}, }; case 'cloneFormat': default: return { dataset: linkFormat.dataset, format: { ...linkFormat.format }, }; } } function stackCodeInternal(codeFormat: ContentModelCode, code?: 'codeDefault' | 'empty') { switch (code) { case 'codeDefault': return { format: { fontFamily: 'monospace', }, }; case 'empty': return { format: {}, }; default: return codeFormat; } } function stackDecoratorInternal( format: ContentModelParagraphDecorator, decorator?: 'decoratorDefault' | 'empty' ) { switch (decorator) { case 'empty': return { format: {}, tagName: '', }; default: return format; } } function stackFormatInternal<T extends ContentModelFormatBase>( format: T, processType?: 'shallowClone' | 'shallowCloneForBlock' | 'shallowCloneForGroup' | 'empty' ): T | {} { switch (processType) { case 'empty': return {}; case undefined: return format; default: const result = { ...format }; getObjectKeys(format).forEach(key => { if ( (processType == 'shallowCloneForBlock' && SkippedStylesForBlockOnSegmentOnSegment.indexOf( key as keyof ContentModelSegmentFormat ) >= 0) || (processType == 'shallowCloneForGroup' && SkippedStylesForTable.indexOf(key as keyof ContentModelBlockFormat) >= 0) ) { delete result[key]; } }); if (processType == 'shallowClone' || processType == 'shallowCloneForGroup') { const blockFormat = format as ContentModelBlockFormat; // For a new paragraph, if current text indent is already applied to previous block in the same level, // we need to ignore it according to browser rendering behavior if (blockFormat.textIndent) { delete (result as ContentModelBlockFormat).isTextIndentApplied; blockFormat.isTextIndentApplied = true; } } return result; } } |