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domUtils.ts
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domUtils.ts
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import {
CELL_CSS_CLASS,
DATA_CONTAINER_CSS_CLASS,
HEADER_CELL_CSS_CLASS,
} from '../constants/cssClassesConstants';
import { CellIndexCoordinates } from '../models/cell';
export function isOverflown(element: Element): boolean {
return element.scrollHeight > element.clientHeight || element.scrollWidth > element.clientWidth;
}
export function findParentElementFromClassName(elem: Element, className: string): Element | null {
return elem.closest(`.${className}`);
}
export function isCell(elem: Element | null): boolean {
return elem != null && findParentElementFromClassName(elem, CELL_CSS_CLASS) !== null;
}
export function isHeaderCell(elem: Element): boolean {
return elem && findParentElementFromClassName(elem, HEADER_CELL_CSS_CLASS) !== null;
}
export function getIdFromRowElem(rowEl: Element): string {
return rowEl.getAttribute('data-id')!;
}
export function getFieldFromHeaderElem(colCellEl: Element): string {
return colCellEl.getAttribute('data-field')!;
}
export function findHeaderElementFromField(elem: Element, field: string): Element | null {
return elem.querySelector(`[data-field="${field}"]`);
}
export function findCellElementsFromCol(col: HTMLElement): NodeListOf<Element> | null {
const field = col.getAttribute('data-field');
const root = findParentElementFromClassName(col, 'MuiDataGrid-root');
if (!root) {
throw new Error('Material-UI: The root element is not found.');
}
const cells = root.querySelectorAll(`:scope .${CELL_CSS_CLASS}[data-field="${field}"]`);
return cells;
}
export function findGridRootFromCurrent(elem: Element): HTMLDivElement | null {
if (elem.classList.contains('MuiDataGrid-root')) {
return elem as HTMLDivElement;
}
const root = findParentElementFromClassName(elem, 'MuiDataGrid-root');
return root as HTMLDivElement;
}
export function findDataContainerFromCurrent(elem: Element): HTMLDivElement | null {
const root = findGridRootFromCurrent(elem);
if (!root) {
return null;
}
return root.querySelector(`:scope .${DATA_CONTAINER_CSS_CLASS}`) as HTMLDivElement;
}
export function getCellElementFromIndexes(
root: Element,
{ colIndex, rowIndex }: CellIndexCoordinates,
) {
return root.querySelector(
`:scope .${CELL_CSS_CLASS}[aria-colIndex='${colIndex}'][data-rowIndex='${rowIndex}']`,
) as HTMLDivElement;
}