devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/exporter/jspdf/common/rows_spliting_utils/get_multipage_row_pages.js)
* Version: 24.2.6
* Build date: Mon Mar 17 2025
*
* Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import _extends from "@babel/runtime/helpers/esm/extends";
const isHeader = rect => "header" === (null === rect || void 0 === rect ? void 0 : rect.sourceCellInfo.gridCell.rowType);
const spitMultiPageRows = (rectsToPatch, isCurrentPageContainsOnlyHeader, firstRectYAdjustment, splitMultiPageRowFunc, checkIsFitToPageFunc) => {
let [newPageRects, remainPageRects] = splitMultiPageRowFunc(isCurrentPageContainsOnlyHeader, rectsToPatch);
const newPageRectsArray = [isCurrentPageContainsOnlyHeader ? newPageRects.map((rect => _extends({}, rect, {
y: firstRectYAdjustment
}))) : newPageRects];
while (!checkIsFitToPageFunc(false, remainPageRects[0].h)) {
[newPageRects, remainPageRects] = splitMultiPageRowFunc(false, remainPageRects);
newPageRectsArray.push(newPageRects)
}
return [newPageRectsArray, remainPageRects]
};
const patchRects = (rectsToSplit, rectsToPatch, remainPageRects) => {
rectsToPatch.forEach(((rect, rectIndex) => {
rect.sourceCellInfo.text = remainPageRects[rectIndex].sourceCellInfo.text;
rect.h = remainPageRects[rectIndex].h
}));
const untouchedRowIdx = rectsToSplit.indexOf(rectsToPatch[rectsToPatch.length - 1]) + 1;
if (untouchedRowIdx >= rectsToSplit.length) {
return
}
const delta = rectsToSplit[untouchedRowIdx].y - (rectsToPatch[0].y + remainPageRects[0].h);
for (let idx = untouchedRowIdx; idx < rectsToSplit.length; idx++) {
rectsToSplit[idx].y = rectsToSplit[idx].y - delta
}
};
export const checkPageContainsOnlyHeader = (pageRects, isFirstPage) => isFirstPage && isHeader(pageRects[pageRects.length - 1]);
export const getMultiPageRowPages = (currentPageRects, rectsToSplit, isCurrentPageContainsOnlyHeader, splitMultiPageRowFunc, checkIsFitToPageFunc) => {
if (!splitMultiPageRowFunc) {
return []
}
const currentPageLastRect = currentPageRects[currentPageRects.length - 1];
const nextPageFirstRect = rectsToSplit[currentPageRects.length];
if (!nextPageFirstRect || isHeader(nextPageFirstRect)) {
return []
}
const isRectsFitsToPage = checkIsFitToPageFunc(isCurrentPageContainsOnlyHeader, nextPageFirstRect.h);
if (isRectsFitsToPage && !isCurrentPageContainsOnlyHeader) {
return []
}
const rectsToPatch = rectsToSplit.filter((_ref => {
let {
y: y
} = _ref;
return y === nextPageFirstRect.y
}));
const firstRectYAdjustment = currentPageLastRect.y + currentPageLastRect.h;
const [multiPageRowPages, remainPageRects] = spitMultiPageRows(rectsToPatch, isCurrentPageContainsOnlyHeader, firstRectYAdjustment, splitMultiPageRowFunc, checkIsFitToPageFunc);
patchRects(rectsToSplit, rectsToPatch, remainPageRects);
return multiPageRowPages
};