@hmcts/media-viewer
Version:
37 lines • 8.15 kB
JavaScript
import { createSelector } from '@ngrx/store';
import * as fromFeature from '../reducers/reducers';
import * as fromBookmarks from '../reducers/bookmarks.reducer';
import { generateBookmarkNodes } from '../bookmarks-store-utils';
import * as fromDocument from './document.selectors';
export const getBookmarkState = createSelector(fromFeature.getMVState, (state) => state.bookmarks);
export const getBookmarkPages = createSelector(getBookmarkState, fromBookmarks.getBookmarkPageEnt);
export const getBookmarkEntities = createSelector(getBookmarkState, fromBookmarks.getBookmarkEnts);
export const getBookmarkNodes = createSelector(getBookmarkEntities, (entities) => generateBookmarkNodes(entities));
export const getEditableBookmark = createSelector(getBookmarkState, fromBookmarks.getEditBookmark);
export const getScrollTop = createSelector(getBookmarkState, fromBookmarks.getScrollTop);
export const getBookmarkInfo = createSelector(getBookmarkNodes, fromDocument.getDocumentId, fromDocument.getPdfPosition, fromDocument.getPages, (bookmarkNodes, docId, pdfPosition, pages) => {
return {
pageNumber: pdfPosition.pageNumber - 1,
xCoordinate: pdfPosition.left,
yCoordinate: ((pages[pdfPosition.pageNumber].styles.height)
- (pdfPosition.top * (pages[pdfPosition.pageNumber].viewportScale)))
/ parseFloat(pages[pdfPosition.pageNumber].scaleRotation.scale),
previous: bookmarkNodes.length > 0 ? bookmarkNodes.sort((a, b) => a.index - b.index)[bookmarkNodes.length - 1].id : undefined,
documentId: docId
};
});
export const getBookmarksPerPage = createSelector(fromDocument.getPages, getBookmarkPages, (pages, pageEnt) => {
if (pages && pageEnt) {
const arr = [];
Object.keys(pages).forEach(key => {
const pageIdx = Number(key) - 1; // -1 as the thisPages array is 0 indexed
const thisPage = pageEnt[pageIdx];
arr.push({
bookmark: thisPage ? thisPage : [],
styles: pages[key].styles
});
});
return arr;
}
});
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