Convert RawTable to a functional component
This commit is contained in:
Robert
@@ -1,6 +1,5 @@
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import * as React from "react";
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import {
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ResultTableProps,
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className,
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emptyQueryResultsMessage,
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jumpToLocation,
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@@ -19,158 +18,157 @@ import { onNavigation } from "./results";
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import { tryGetResolvableLocation } from "../../common/bqrs-utils";
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import { ScrollIntoViewHelper } from "./scroll-into-view-helper";
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import { sendTelemetry } from "../common/telemetry";
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import { assertNever } from "../../common/helpers-pure";
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export type RawTableProps = ResultTableProps & {
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export type RawTableProps = {
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databaseUri: string;
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resultSet: RawTableResultSet;
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sortState?: RawResultsSortState;
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offset: number;
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};
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interface RawTableState {
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selectedItem?: { row: number; column: number };
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interface TableItem {
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readonly row: number;
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readonly column: number;
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}
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export class RawTable extends React.Component<RawTableProps, RawTableState> {
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private scroller = new ScrollIntoViewHelper();
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export function RawTable({
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databaseUri,
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resultSet,
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sortState,
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offset,
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}: RawTableProps) {
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const [selectedItem, setSelectedItem] = React.useState<
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TableItem | undefined
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>();
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constructor(props: RawTableProps) {
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super(props);
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this.setSelection = this.setSelection.bind(this);
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this.handleNavigationEvent = this.handleNavigationEvent.bind(this);
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this.state = {};
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}
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const scroller = React.useMemo(() => new ScrollIntoViewHelper(), []);
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scroller.update();
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private setSelection(row: number, column: number) {
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this.setState((prev) => ({
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...prev,
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selectedItem: { row, column },
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}));
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sendTelemetry("local-results-raw-results-table-selected");
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}
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const setSelection = React.useCallback(
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(row: number, column: number): void => {
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setSelectedItem({ row, column });
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sendTelemetry("local-results-raw-results-table-selected");
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},
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[],
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);
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render(): React.ReactNode {
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const { resultSet, databaseUri } = this.props;
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let dataRows = resultSet.rows;
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if (dataRows.length === 0) {
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return emptyQueryResultsMessage();
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}
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let numTruncatedResults = 0;
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if (dataRows.length > RAW_RESULTS_LIMIT) {
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numTruncatedResults = dataRows.length - RAW_RESULTS_LIMIT;
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dataRows = dataRows.slice(0, RAW_RESULTS_LIMIT);
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}
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const tableRows = dataRows.map((row: ResultRow, rowIndex: number) => (
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<RawTableRow
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key={rowIndex}
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rowIndex={rowIndex + this.props.offset}
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row={row}
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databaseUri={databaseUri}
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selectedColumn={
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this.state.selectedItem?.row === rowIndex
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? this.state.selectedItem?.column
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: undefined
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const navigateWithDelta = React.useCallback(
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(rowDelta: number, columnDelta: number): void => {
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setSelectedItem((prevSelectedItem) => {
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const numberOfAlerts = resultSet.rows.length;
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if (numberOfAlerts === 0) {
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return prevSelectedItem;
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}
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onSelected={this.setSelection}
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scroller={this.scroller}
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/>
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));
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const currentRow = prevSelectedItem?.row;
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const nextRow = currentRow === undefined ? 0 : currentRow + rowDelta;
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if (nextRow < 0 || nextRow >= numberOfAlerts) {
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return prevSelectedItem;
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}
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const currentColumn = prevSelectedItem?.column;
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const nextColumn =
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currentColumn === undefined ? 0 : currentColumn + columnDelta;
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// Jump to the location of the new cell
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const rowData = resultSet.rows[nextRow];
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if (nextColumn < 0 || nextColumn >= rowData.length) {
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return prevSelectedItem;
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}
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const cellData = rowData[nextColumn];
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if (cellData != null && typeof cellData === "object") {
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const location = tryGetResolvableLocation(cellData.url);
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if (location !== undefined) {
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jumpToLocation(location, databaseUri);
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}
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}
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scroller.scrollIntoViewOnNextUpdate();
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return { row: nextRow, column: nextColumn };
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});
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},
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[databaseUri, resultSet, scroller],
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);
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if (numTruncatedResults > 0) {
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const colSpan = dataRows[0].length + 1; // one row for each data column, plus index column
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tableRows.push(
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<tr>
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<td
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key={"message"}
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colSpan={colSpan}
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style={{ textAlign: "center", fontStyle: "italic" }}
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>
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Too many results to show at once. {numTruncatedResults} result(s)
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omitted.
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</td>
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</tr>,
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);
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}
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const handleNavigationEvent = React.useCallback(
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(event: NavigateMsg) => {
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switch (event.direction) {
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case NavigationDirection.up: {
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navigateWithDelta(-1, 0);
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break;
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}
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case NavigationDirection.down: {
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navigateWithDelta(1, 0);
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break;
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}
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case NavigationDirection.left: {
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navigateWithDelta(0, -1);
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break;
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}
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case NavigationDirection.right: {
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navigateWithDelta(0, 1);
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break;
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}
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default:
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assertNever(event.direction);
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}
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},
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[navigateWithDelta],
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);
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return (
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<table className={className}>
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<RawTableHeader
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columns={resultSet.schema.columns}
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schemaName={resultSet.schema.name}
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sortState={this.props.sortState}
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/>
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<tbody>{tableRows}</tbody>
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</table>
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React.useEffect(() => {
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onNavigation.addListener(handleNavigationEvent);
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return () => {
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onNavigation.removeListener(handleNavigationEvent);
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};
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}, [handleNavigationEvent]);
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let dataRows = resultSet.rows;
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if (dataRows.length === 0) {
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return emptyQueryResultsMessage();
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}
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let numTruncatedResults = 0;
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if (dataRows.length > RAW_RESULTS_LIMIT) {
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numTruncatedResults = dataRows.length - RAW_RESULTS_LIMIT;
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dataRows = dataRows.slice(0, RAW_RESULTS_LIMIT);
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}
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const tableRows = dataRows.map((row: ResultRow, rowIndex: number) => (
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<RawTableRow
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key={rowIndex}
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rowIndex={rowIndex + offset}
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row={row}
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databaseUri={databaseUri}
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selectedColumn={
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selectedItem?.row === rowIndex ? selectedItem?.column : undefined
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}
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onSelected={setSelection}
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scroller={scroller}
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/>
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));
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if (numTruncatedResults > 0) {
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const colSpan = dataRows[0].length + 1; // one row for each data column, plus index column
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tableRows.push(
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<tr>
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<td
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key={"message"}
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colSpan={colSpan}
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style={{ textAlign: "center", fontStyle: "italic" }}
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>
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Too many results to show at once. {numTruncatedResults} result(s)
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omitted.
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</td>
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</tr>,
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);
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}
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private handleNavigationEvent(event: NavigateMsg) {
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switch (event.direction) {
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case NavigationDirection.up: {
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this.navigateWithDelta(-1, 0);
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break;
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}
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case NavigationDirection.down: {
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this.navigateWithDelta(1, 0);
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break;
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}
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case NavigationDirection.left: {
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this.navigateWithDelta(0, -1);
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break;
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}
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case NavigationDirection.right: {
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this.navigateWithDelta(0, 1);
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break;
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}
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}
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}
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private navigateWithDelta(rowDelta: number, columnDelta: number) {
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this.setState((prevState) => {
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const numberOfAlerts = this.props.resultSet.rows.length;
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if (numberOfAlerts === 0) {
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return prevState;
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}
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const currentRow = prevState.selectedItem?.row;
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const nextRow = currentRow === undefined ? 0 : currentRow + rowDelta;
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if (nextRow < 0 || nextRow >= numberOfAlerts) {
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return prevState;
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}
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const currentColumn = prevState.selectedItem?.column;
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const nextColumn =
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currentColumn === undefined ? 0 : currentColumn + columnDelta;
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// Jump to the location of the new cell
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const rowData = this.props.resultSet.rows[nextRow];
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if (nextColumn < 0 || nextColumn >= rowData.length) {
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return prevState;
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}
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const cellData = rowData[nextColumn];
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if (cellData != null && typeof cellData === "object") {
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const location = tryGetResolvableLocation(cellData.url);
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if (location !== undefined) {
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jumpToLocation(location, this.props.databaseUri);
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}
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}
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this.scroller.scrollIntoViewOnNextUpdate();
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return {
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...prevState,
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selectedItem: { row: nextRow, column: nextColumn },
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};
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});
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}
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componentDidUpdate() {
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this.scroller.update();
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}
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componentDidMount() {
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this.scroller.update();
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onNavigation.addListener(this.handleNavigationEvent);
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}
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componentWillUnmount() {
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onNavigation.removeListener(this.handleNavigationEvent);
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}
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return (
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<table className={className}>
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<RawTableHeader
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columns={resultSet.schema.columns}
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schemaName={resultSet.schema.name}
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sortState={sortState}
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/>
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<tbody>{tableRows}</tbody>
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</table>
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);
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}
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