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fix keyboard focus issues (#16206)

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This commit is contained in:
Alan Ren
2021-07-16 13:27:15 -07:00
committed by GitHub
parent 3847271e67
commit eed792f3db
19 changed files with 69 additions and 86 deletions
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25
src/sql/base/browser/ui/table/table.ts
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@@ -80,6 +80,23 @@ export class Table<T extends Slick.SlickData> extends Widget implements IDisposa
this._container = document.createElement('div');
this._container.className = 'monaco-table';
this._register(DOM.addDisposableListener(this._container, DOM.EventType.FOCUS, () => {
if (!this.grid.getActiveCell() && this._data.getLength() > 0) {
// When the table receives focus and there are currently no active cell, the focus should go to the first focusable cell.
let cellToFocus = undefined;
for (let col = 0; col < this.columns.length; col++) {
// some cells are not keyboard focusable (e.g. row number column), we need to find the first focusable cell.
if (this.grid.canCellBeActive(0, col)) {
cellToFocus = {
row: 0,
cell: col
};
break;
}
}
if (cellToFocus) {
this.grid.setActiveCell(cellToFocus.row, cellToFocus.cell);
}
}
clearTimeout(this._classChangeTimeout);
this._classChangeTimeout = setTimeout(() => {
this._container.classList.add('focused');
@@ -121,6 +138,14 @@ export class Table<T extends Slick.SlickData> extends Widget implements IDisposa
this.mapMouseEvent(this._grid.onHeaderClick, this._onHeaderClick);
this.mapMouseEvent(this._grid.onDblClick, this._onDoubleClick);
this._grid.onColumnsResized.subscribe(() => this._onColumnResize.fire());
this._grid.onRendered.subscribe(() => {
if (!this._grid.getActiveCell()) {
this._container.tabIndex = this._data.getLength() > 0 ? 0 : -1;
}
});
this._grid.onActiveCellChanged.subscribe((e, data) => {
this._container.tabIndex = -1;
});
}
public rerenderGrid() {