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 54 55 56 57 58 59 60 61 62 63 64 65 | 1x 1x 31x 31x 31x 44x 25x 25x 24x 24x 17x 9x 9x 8x 8x 25x 21x 42x 34x 34x 8x 8x 31x 20x 31x | import { getSelectedParagraphs, setSelection } from 'roosterjs-content-model-dom';
import type {
ReadonlyContentModelDocument,
ReadonlyContentModelParagraph,
ReadonlyContentModelSegment,
} from 'roosterjs-content-model-types';
/**
* @internal
*/
export function adjustSegmentSelection(
model: ReadonlyContentModelDocument,
firstMatcher: (
target: ReadonlyContentModelSegment,
paragraph: ReadonlyContentModelParagraph
) => boolean,
siblingMatcher: (
target: ReadonlyContentModelSegment,
ref: ReadonlyContentModelSegment,
paragraph: ReadonlyContentModelParagraph
) => boolean
): boolean {
const paragraphs = getSelectedParagraphs(model);
let first: ReadonlyContentModelSegment | undefined;
let last: ReadonlyContentModelSegment | undefined;
let changed = false;
paragraphs.forEach(p => {
const index = first ? 0 : p.segments.findIndex(x => firstMatcher(x, p));
const segments = p.segments;
if (!first) {
first = segments[index];
for (let i = index; i > 0; i--) {
if (siblingMatcher(segments[i - 1], first, p)) {
first = segments[i - 1];
changed = changed || !segments[i - 1].isSelected;
} else {
changed = changed || !!segments[i - 1].isSelected;
break;
}
}
}
if (first) {
for (let i = index; i < p.segments.length; i++) {
if (i == index || siblingMatcher(segments[i], last || segments[index], p)) {
last = segments[i];
changed = changed || !segments[i].isSelected;
} else {
changed = changed || !!segments[i].isSelected;
break;
}
}
}
});
if (first && last) {
setSelection(model, first, last);
}
return changed;
}
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