Method _onItemKeydown

packages/main/src/MultiComboBox.ts:1217–1284

(e: KeyboardEvent)

	}

	_onItemKeydown(e: KeyboardEvent) {
		const isFirstItemGroup = this.list?.getSlottedNodes<IMultiComboBoxItem>("items")[1] === e.target && this.list?.getSlottedNodes<IMultiComboBoxItem>("items")[0].hasAttribute("ui5-li-group");
		const isFirstItem = this.list?.getSlottedNodes<IMultiComboBoxItem>("items")[0] === e.target || isFirstItemGroup;
		const isArrowUp = isUp(e) || isUpCtrl(e);

		if (this.hasValueStateMessage && !this.valueStateHeader) {
			this._setValueStateHeader();
		}

		if (isTabNext(e) || isTabPrevious(e)) {
			this._onItemTab();
			return;
		}

		if (isHomeCtrl(e)) {
			this.list?._itemNavigation._handleHome();
			this.list?.getSlottedNodes<IMultiComboBoxItem>("items")[this.list?._itemNavigation._currentIndex].focus();
		}

		if (isEndCtrl(e)) {
			this.list?._itemNavigation._handleEnd();
			this.list?.getSlottedNodes<IMultiComboBoxItem>("items")[this.list?._itemNavigation._currentIndex].focus();
		}

		e.preventDefault();

		if (isCtrlAltF8(e)) {
			return this._handleCtrlALtF8();
		}

		if (isDownShift(e) || isUpShift(e)) {
			this._handleItemRangeSelection(e);
			return;
		}

		if ((isUpCtrl(e)) && !isFirstItem) {
			this.list?._itemNavigation._handleUp();
			this.list?.getSlottedNodes<IMultiComboBoxItem>("items")[this.list?._itemNavigation._currentIndex].focus();
		}

		if (isDownCtrl(e)) {
			this.list?._itemNavigation._handleDown();
			this.list?.getSlottedNodes<IMultiComboBoxItem>("items")[this.list?._itemNavigation._currentIndex].focus();
		}

		if (isShow(e)) {
			this._toggleTokenizerPopover();
		}

		if (isCtrlA(e)) {
			this._handleSelectAll();
			return;
		}

		if (isFirstItem && isArrowUp) {
			if (this.showSelectAll) {
				if (isFirstItemGroup) {
					this.list?.getSlottedNodes<IMultiComboBoxItem>("items")[0].focus();