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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 | 1x 1x 101x 101x 5x 5x 4x 4x 4x 4x 5x 101x 51x 51x 51x 51x 39x 39x 51x 51x 51x 77x 77x 77x 51x 51x 39x 128x 13x 13x 128x 18x 18x 128x 1x 1x 128x 18x 18x 128x 10x 101x 90x 90x 90x 90x 164x 164x 164x 164x 164x 164x 90x 30x 90x 52x 52x 90x 8x 90x 52x 52x 90x 22x 90x 224x 224x 224x 224x 25x 141x 141x 141x | import { addSegment, addTextSegment, buildSelectionMarker, getRegularSelectionOffsets, mutateBlock, processChildNode, } from 'roosterjs-content-model-dom'; import type { ElementProcessor, DOMInsertPoint, FormatContentModelOptions, IEditor, InsertPoint, DomToModelContext, ContentModelBlockGroup, FormatContentModelContext, ShallowMutableContentModelDocument, } from 'roosterjs-content-model-types'; /** * Invoke a callback to format the content in a specific position using Content Model * @param editor The editor object * @param insertPoint The insert position. * @param callback The callback to insert the format. * @param options More options, @see FormatContentModelOptions */ export function formatInsertPointWithContentModel( editor: IEditor, insertPoint: DOMInsertPoint, callback: ( model: ShallowMutableContentModelDocument, context: FormatContentModelContext, insertPoint?: InsertPoint ) => void, options?: FormatContentModelOptions ) { const bundle: InsertPointBundle = { input: insertPoint, }; editor.formatContentModel( (model, context) => { callback(model, context, bundle.result); if (bundle?.result) { const { paragraph, marker } = bundle.result; const index = paragraph.segments.indexOf(marker); Eif (index >= 0) { mutateBlock(paragraph).segments.splice(index, 1); } } return true; }, options, { processorOverride: { child: getShadowChildProcessor(bundle), textWithSelection: getShadowTextProcessor(bundle), }, tryGetFromCache: false, } ); } interface InsertPointBundle { input: DOMInsertPoint; result?: InsertPoint; } interface DomToModelContextWithPath extends DomToModelContext { /** * Block group path of this insert point, from direct parent group to the root group */ path?: ContentModelBlockGroup[]; } function getShadowChildProcessor(bundle: InsertPointBundle): ElementProcessor<ParentNode> { return (group, parent, context) => { const contextWithPath = context as DomToModelContextWithPath; contextWithPath.path = contextWithPath.path || []; let shouldShiftPath = false; if (contextWithPath.path[0] != group) { contextWithPath.path.unshift(group); shouldShiftPath = true; } const offsets = getShadowSelectionOffsets(context, bundle, parent); let index = 0; for (let child = parent.firstChild; child; child = child.nextSibling) { handleElementShadowSelection(bundle, index, context, group, offsets, parent); processChildNode(group, child, context); index++; } handleElementShadowSelection(bundle, index, context, group, offsets, parent); if (shouldShiftPath) { contextWithPath.path.shift(); } }; } function handleElementShadowSelection( bundle: InsertPointBundle, index: number, context: DomToModelContext, group: ContentModelBlockGroup, offsets: [number, number, number], container?: Node ) { if ( index == offsets[2] && (index <= offsets[0] || offsets[0] < 0) && (index < offsets[1] || offsets[1] < 0) ) { addSelectionMarker(group, context, container, index, bundle); offsets[2] = -1; } if (index == offsets[0]) { context.isInSelection = true; addSelectionMarker(group, context, container, index); } if (index == offsets[2] && (index < offsets[1] || offsets[1] < 0)) { addSelectionMarker(group, context, container, index, bundle); offsets[2] = -1; } if (index == offsets[1]) { addSelectionMarker(group, context, container, index); context.isInSelection = false; } if (index == offsets[2]) { addSelectionMarker(group, context, container, index, bundle); } } const getShadowTextProcessor = (bundle: InsertPointBundle): ElementProcessor<Text> => ( group, textNode, context ) => { let txt = textNode.nodeValue || ''; const offsets = getShadowSelectionOffsets(context, bundle, textNode); const [start, end, shadow] = offsets; const handleTextSelection = ( subtract: number, originalOffset: number, bundle?: InsertPointBundle ) => { addTextSegment(group, txt.substring(0, subtract), context); addSelectionMarker(group, context, textNode, originalOffset, bundle); offsets[0] -= subtract; offsets[1] -= subtract; offsets[2] = bundle ? -1 : offsets[2] - subtract; txt = txt.substring(subtract); }; if ( offsets[2] >= 0 && (offsets[2] <= offsets[0] || offsets[0] < 0) && (offsets[2] < offsets[1] || offsets[1] < 0) ) { handleTextSelection(offsets[2], shadow, bundle); } if (offsets[0] >= 0) { handleTextSelection(offsets[0], start); context.isInSelection = true; } if (offsets[2] >= 0 && offsets[2] > offsets[0] && (offsets[2] < offsets[1] || offsets[1] < 0)) { handleTextSelection(offsets[2], shadow, bundle); } if (offsets[1] >= 0) { handleTextSelection(offsets[1], end); context.isInSelection = false; } if (offsets[2] >= 0 && offsets[2] >= offsets[1]) { handleTextSelection(offsets[2], shadow, bundle); } addTextSegment(group, txt, context); }; function addSelectionMarker( group: ContentModelBlockGroup, context: DomToModelContextWithPath, container?: Node, offset?: number, bundle?: InsertPointBundle ) { const marker = buildSelectionMarker(group, context, container, offset); marker.isSelected = !bundle; const para = addSegment(group, marker, context.blockFormat, marker.format); if (bundle && context.path) { bundle.result = { path: [...context.path], paragraph: para, marker, }; } } function getShadowSelectionOffsets( context: DomToModelContext, bundle: InsertPointBundle, currentContainer: Node ): [number, number, number] { const [start, end] = getRegularSelectionOffsets(context, currentContainer); const shadow = bundle.input.node == currentContainer ? bundle.input.offset : -1; return [start, end, shadow]; } |