Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 1x 1x 1x 13x 13x 5x 8x 8x 8x 13x 13x 18x | import { handleTabOnParagraph } from './handleTabOnParagraph';
import { setModelIndentation } from 'roosterjs-content-model-api';
import type {
FormatContentModelContext,
ReadonlyContentModelDocument,
ReadonlyContentModelListItem,
} from 'roosterjs-content-model-types';
/**
* 1. When the selection is collapsed and the cursor is at start of a list item, call setModelIndentation.
* 2. Otherwise call handleTabOnParagraph.
* @internal
*/
export function handleTabOnList(
model: ReadonlyContentModelDocument,
listItem: ReadonlyContentModelListItem,
rawEvent: KeyboardEvent,
context?: FormatContentModelContext
) {
const selectedParagraph = findSelectedParagraph(listItem);
if (
!isMarkerAtStartOfBlock(listItem) &&
selectedParagraph.length == 1 &&
selectedParagraph[0].blockType === 'Paragraph'
) {
return handleTabOnParagraph(model, selectedParagraph[0], rawEvent, context);
} else {
setModelIndentation(
model,
rawEvent.shiftKey ? 'outdent' : 'indent',
undefined /*length*/,
context
);
rawEvent.preventDefault();
return true;
}
}
function isMarkerAtStartOfBlock(listItem: ReadonlyContentModelListItem) {
return (
listItem.blocks[0].blockType == 'Paragraph' &&
listItem.blocks[0].segments[0].segmentType == 'SelectionMarker'
);
}
function findSelectedParagraph(listItem: ReadonlyContentModelListItem) {
return listItem.blocks.filter(
block =>
block.blockType == 'Paragraph' && block.segments.some(segment => segment.isSelected)
);
}
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