import type { MaybeRef } from '@vueuse/core' import { UITypes } from 'nocodb-sdk' import { message, reactive, unref, useCopy, useEventListener, useI18n } from '#imports' interface SelectedBlock { row: number | null col: number | null } /** * Utility to help with multi-selecting rows/cells in the smartsheet */ export function useMultiSelect( fields: MaybeRef, data: MaybeRef, editEnabled: MaybeRef, isPkAvail: MaybeRef, clearCell: Function, makeEditable: Function, scrollToActiveCell?: () => void, ) { const { t } = useI18n() const { copy } = useCopy() const selected = reactive({ row: null, col: null }) // save the first and the last column where the mouse is down while the value isSelectedRow is true const selectedRows = reactive({ startCol: NaN, endCol: NaN, startRow: NaN, endRow: NaN }) // calculate the min and the max column where the mouse is down while the value isSelectedRow is true const rangeRows = reactive({ minRow: NaN, maxRow: NaN, minCol: NaN, maxCol: NaN }) // check if mouse is down or up false=mouseup and true=mousedown let isSelectedBlock = $ref(false) const columnLength = $computed(() => unref(fields)?.length) function selectCell(row: number, col: number) { clearRangeRows() selected.row = row selected.col = col } function selectBlock(row: number, col: number) { // if selected.col and selected.row are null and isSelectedBlock is true that means you are selecting a block if (selected.col === null || selected.row === null) { if (isSelectedBlock) { // save the next value after the selectionStart selectedRows.endCol = col selectedRows.endRow = row } } else if (selected.col !== col || selected.row !== row) { // if selected.col and selected.row is not null but the selected col and row is not equal at the row and col where the mouse is clicking // and isSelectedBlock is true that means you are selecting a block if (isSelectedBlock) { selected.col = null selected.row = null // save the next value after the selectionStart selectedRows.endCol = col selectedRows.endRow = row } } } function selectedRange(row: number, col: number) { if ( !isNaN(selectedRows.startRow) && !isNaN(selectedRows.startCol) && !isNaN(selectedRows.endRow) && !isNaN(selectedRows.endCol) ) { // check if column selection is up or down rangeRows.minRow = Math.min(selectedRows.startRow, selectedRows.endRow) rangeRows.maxRow = Math.max(selectedRows.startRow, selectedRows.endRow) rangeRows.minCol = Math.min(selectedRows.startCol, selectedRows.endCol) rangeRows.maxCol = Math.max(selectedRows.startCol, selectedRows.endCol) // return if the column is in between the selection return col >= rangeRows.minCol && col <= rangeRows.maxCol && row >= rangeRows.minRow && row <= rangeRows.maxRow } else { return false } } function startSelectRange(event: MouseEvent, row: number, col: number) { // if editEnabled but the selected col or the selected row is not equal like the actual row or col, enabled selected multiple rows if (unref(editEnabled) && (selected.col !== col || selected.row !== row)) { event.preventDefault() } else if (!unref(editEnabled)) { // if editEnabled is not true, enabled selected multiple rows event.preventDefault() } // clear the selection when the mouse is down selectedRows.startCol = NaN selectedRows.endCol = NaN selectedRows.startRow = NaN selectedRows.endRow = NaN // asing where the selection start selectedRows.startCol = col selectedRows.startRow = row isSelectedBlock = true } function clearRangeRows() { // when the selection starts or ends or when enter/arrow/tab is pressed // this clear the previous selection rangeRows.minCol = NaN rangeRows.maxCol = NaN rangeRows.minRow = NaN rangeRows.maxRow = NaN selectedRows.startRow = NaN selectedRows.startCol = NaN selectedRows.endRow = NaN selectedRows.endCol = NaN } useEventListener(document, 'mouseup', (e) => { // if the editEnabled is false prevent the mouseup event for not select text if (!unref(editEnabled)) { e.preventDefault() } isSelectedBlock = false }) const onKeyDown = async (e: KeyboardEvent) => { if ( !isNaN(selectedRows.startRow) && !isNaN(selectedRows.startCol) && !isNaN(selectedRows.endRow) && !isNaN(selectedRows.endCol) ) { // In case the user press tabs or arrows keys selected.row = selectedRows.startRow selected.col = selectedRows.startCol } if (selected.row === null || selected.col === null) return /** on tab key press navigate through cells */ switch (e.key) { case 'Tab': e.preventDefault() clearRangeRows() if (e.shiftKey) { if (selected.col > 0) { selected.col-- } else if (selected.row > 0) { selected.row-- selected.col = unref(columnLength) - 1 } } else { if (selected.col < unref(columnLength) - 1) { selected.col++ } else if (selected.row < unref(data).length - 1) { selected.row++ selected.col = 0 } } scrollToActiveCell?.() break /** on enter key press make cell editable */ case 'Enter': e.preventDefault() clearRangeRows() makeEditable(unref(data)[selected.row], unref(fields)[selected.col]) break /** on delete key press clear cell */ case 'Delete': if (!unref(editEnabled)) { e.preventDefault() clearRangeRows() await clearCell(selected as { row: number; col: number }) } break /** on arrow key press navigate through cells */ case 'ArrowRight': e.preventDefault() clearRangeRows() if (selected.col < unref(columnLength) - 1) { selected.col++ scrollToActiveCell?.() } break case 'ArrowLeft': clearRangeRows() e.preventDefault() clearRangeRows() if (selected.col > 0) { selected.col-- scrollToActiveCell?.() } break case 'ArrowUp': clearRangeRows() e.preventDefault() clearRangeRows() if (selected.row > 0) { selected.row-- scrollToActiveCell?.() } break case 'ArrowDown': clearRangeRows() e.preventDefault() clearRangeRows() if (selected.row < unref(data).length - 1) { selected.row++ scrollToActiveCell?.() } break default: { const rowObj = unref(data)[selected.row] const columnObj = unref(fields)[selected.col] let cptext = '' // variable for save the text to be copy if (!isNaN(rangeRows.minRow) && !isNaN(rangeRows.maxRow) && !isNaN(rangeRows.minCol) && !isNaN(rangeRows.maxCol)) { const cprows = unref(data).slice(rangeRows.minRow, rangeRows.maxRow + 1) // slice the selected rows for copy const cpcols = unref(fields).slice(rangeRows.minCol, rangeRows.maxCol + 1) // slice the selected cols for copy cprows.forEach((row) => { cpcols.forEach((col) => { // todo: JSON stringify the attachment cell and LTAR contents for copy // filter attachment cells and LATR cells from copy if (col.uidt !== UITypes.Attachment && col.uidt !== UITypes.LinkToAnotherRecord) { cptext = `${cptext} ${row.row[col.title]} \t` } }) cptext = `${cptext.trim()}\n` }) cptext.trim() } else { cptext = rowObj.row[columnObj.title] || '' } if ((!unref(editEnabled) && e.metaKey) || e.ctrlKey) { switch (e.keyCode) { // copy - ctrl/cmd +c case 67: await copy(cptext) break } } if (unref(editEnabled) || e.ctrlKey || e.altKey || e.metaKey) { return } /** on letter key press make cell editable and empty */ if (e.key.length === 1) { if (!unref(isPkAvail) && !rowObj.rowMeta.new) { // Update not allowed for table which doesn't have primary Key return message.info(t('msg.info.updateNotAllowedWithoutPK')) } if (makeEditable(rowObj, columnObj)) { rowObj.row[columnObj.title] = '' } // editEnabled = true } } break } } useEventListener(document, 'keydown', onKeyDown) return { selectCell, selectBlock, selectedRange, clearRangeRows, startSelectRange, selected, selectedRows, rangeRows, } }