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Merge pull request #304 from ckeditor/i/3267

Feature: Introduce custom keyboard navigation through tables. Closes ckeditor/ckeditor5#3267. Closes ckeditor/ckeditor5#3286.
Maciej 5 năm trước cách đây
mục cha
commit
e0b67356d5

+ 3 - 1
packages/ckeditor5-table/src/table.js

@@ -13,6 +13,7 @@ import TableEditing from './tableediting';
 import TableUI from './tableui';
 import TableSelection from './tableselection';
 import TableClipboard from './tableclipboard';
+import TableNavigation from './tablenavigation';
 import Widget from '@ckeditor/ckeditor5-widget/src/widget';
 
 import '../theme/table.css';
@@ -26,6 +27,7 @@ import '../theme/table.css';
  *
  * * {@link module:table/tableediting~TableEditing editing feature},
  * * {@link module:table/tableselection~TableSelection selection feature},
+ * * {@link module:table/tablenavigation~TableNavigation keyboard navigation feature},
  * * {@link module:table/tableclipboard~TableClipboard clipboard feature},
  * * {@link module:table/tableui~TableUI UI feature}.
  *
@@ -36,7 +38,7 @@ export default class Table extends Plugin {
 	 * @inheritDoc
 	 */
 	static get requires() {
-		return [ TableEditing, TableUI, TableSelection, TableClipboard, Widget ];
+		return [ TableEditing, TableUI, TableSelection, TableClipboard, TableNavigation, Widget ];
 	}
 
 	/**

+ 0 - 104
packages/ckeditor5-table/src/tableediting.js

@@ -31,7 +31,6 @@ import SetHeaderColumnCommand from './commands/setheadercolumncommand';
 import MergeCellsCommand from './commands/mergecellscommand';
 import SelectRowCommand from './commands/selectrowcommand';
 import SelectColumnCommand from './commands/selectcolumncommand';
-import { getTableCellsContainingSelection } from './utils';
 import TableUtils from '../src/tableutils';
 
 import injectTableLayoutPostFixer from './converters/table-layout-post-fixer';
@@ -150,11 +149,6 @@ export default class TableEditing extends Plugin {
 		injectTableLayoutPostFixer( model );
 		injectTableCellRefreshPostFixer( model );
 		injectTableCellParagraphPostFixer( model );
-
-		// Handle Tab key navigation.
-		this.editor.keystrokes.set( 'Tab', ( ...args ) => this._handleTabOnSelectedTable( ...args ), { priority: 'low' } );
-		this.editor.keystrokes.set( 'Tab', this._getTabHandler( true ), { priority: 'low' } );
-		this.editor.keystrokes.set( 'Shift+Tab', this._getTabHandler( false ), { priority: 'low' } );
 	}
 
 	/**
@@ -163,102 +157,4 @@ export default class TableEditing extends Plugin {
 	static get requires() {
 		return [ TableUtils ];
 	}
-
-	/**
-	 * Handles {@link module:engine/view/document~Document#event:keydown keydown} events for the <kbd>Tab</kbd> key executed
-	 * when the table widget is selected.
-	 *
-	 * @private
-	 * @param {module:utils/eventinfo~EventInfo} eventInfo
-	 * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData
-	 */
-	_handleTabOnSelectedTable( domEventData, cancel ) {
-		const editor = this.editor;
-		const selection = editor.model.document.selection;
-
-		if ( !selection.isCollapsed && selection.rangeCount === 1 && selection.getFirstRange().isFlat ) {
-			const selectedElement = selection.getSelectedElement();
-
-			if ( !selectedElement || !selectedElement.is( 'table' ) ) {
-				return;
-			}
-
-			cancel();
-
-			editor.model.change( writer => {
-				writer.setSelection( writer.createRangeIn( selectedElement.getChild( 0 ).getChild( 0 ) ) );
-			} );
-		}
-	}
-
-	/**
-	 * Returns a handler for {@link module:engine/view/document~Document#event:keydown keydown} events for the <kbd>Tab</kbd> key executed
-	 * inside table cell.
-	 *
-	 * @private
-	 * @param {Boolean} isForward Whether this handler will move the selection to the next or the previous cell.
-	 */
-	_getTabHandler( isForward ) {
-		const editor = this.editor;
-
-		return ( domEventData, cancel ) => {
-			const selection = editor.model.document.selection;
-			const tableCell = getTableCellsContainingSelection( selection )[ 0 ];
-
-			if ( !tableCell ) {
-				return;
-			}
-
-			cancel();
-
-			const tableRow = tableCell.parent;
-			const table = tableRow.parent;
-
-			const currentRowIndex = table.getChildIndex( tableRow );
-			const currentCellIndex = tableRow.getChildIndex( tableCell );
-
-			const isFirstCellInRow = currentCellIndex === 0;
-
-			if ( !isForward && isFirstCellInRow && currentRowIndex === 0 ) {
-				// It's the first cell of the table - don't do anything (stay in the current position).
-				return;
-			}
-
-			const isLastCellInRow = currentCellIndex === tableRow.childCount - 1;
-			const isLastRow = currentRowIndex === table.childCount - 1;
-
-			if ( isForward && isLastRow && isLastCellInRow ) {
-				editor.execute( 'insertTableRowBelow' );
-
-				// Check if the command actually added a row. If `insertTableRowBelow` execution didn't add a row (because it was disabled
-				// or it got overwritten) do not change the selection.
-				if ( currentRowIndex === table.childCount - 1 ) {
-					return;
-				}
-			}
-
-			let cellToFocus;
-
-			// Move to first cell in next row.
-			if ( isForward && isLastCellInRow ) {
-				const nextRow = table.getChild( currentRowIndex + 1 );
-
-				cellToFocus = nextRow.getChild( 0 );
-			}
-			// Move to last cell in a previous row.
-			else if ( !isForward && isFirstCellInRow ) {
-				const previousRow = table.getChild( currentRowIndex - 1 );
-
-				cellToFocus = previousRow.getChild( previousRow.childCount - 1 );
-			}
-			// Move to next/previous cell.
-			else {
-				cellToFocus = tableRow.getChild( currentCellIndex + ( isForward ? 1 : -1 ) );
-			}
-
-			editor.model.change( writer => {
-				writer.setSelection( writer.createRangeIn( cellToFocus ) );
-			} );
-		};
-	}
 }

+ 516 - 0
packages/ckeditor5-table/src/tablenavigation.js

@@ -0,0 +1,516 @@
+/**
+ * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+ */
+
+/**
+ * @module table/tablenavigation
+ */
+
+import Plugin from '@ckeditor/ckeditor5-core/src/plugin';
+import { getSelectedTableCells, getTableCellsContainingSelection } from './utils';
+import { findAncestor } from './commands/utils';
+import TableWalker from './tablewalker';
+import Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';
+import { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';
+import priorities from '@ckeditor/ckeditor5-utils/src/priorities';
+
+/**
+ * This plugin enables keyboard navigation for tables.
+ * It is loaded automatically by the {@link module:table/table~Table} plugin.
+ *
+ * @extends module:core/plugin~Plugin
+ */
+export default class TableNavigation extends Plugin {
+	/**
+	 * @inheritDoc
+	 */
+	static get pluginName() {
+		return 'TableNavigation';
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	init() {
+		const view = this.editor.editing.view;
+		const viewDocument = view.document;
+
+		// Handle Tab key navigation.
+		this.editor.keystrokes.set( 'Tab', ( ...args ) => this._handleTabOnSelectedTable( ...args ), { priority: 'low' } );
+		this.editor.keystrokes.set( 'Tab', this._getTabHandler( true ), { priority: 'low' } );
+		this.editor.keystrokes.set( 'Shift+Tab', this._getTabHandler( false ), { priority: 'low' } );
+
+		// Note: This listener has the "high+1" priority because we would like to avoid collisions with other features
+		// (like Widgets), which take over the keydown events with the "high" priority. Table navigation takes precedence
+		// over Widgets in that matter (widget arrow handler stops propagation of event if object element was selected
+		// but getNearestSelectionRange didn't returned any range).
+		this.listenTo( viewDocument, 'keydown', ( ...args ) => this._onKeydown( ...args ), { priority: priorities.get( 'high' ) + 1 } );
+	}
+
+	/**
+	 * Handles {@link module:engine/view/document~Document#event:keydown keydown} events for the <kbd>Tab</kbd> key executed
+	 * when the table widget is selected.
+	 *
+	 * @private
+	 * @param {module:engine/view/observer/keyobserver~KeyEventData} data Key event data.
+	 * @param {Function} cancel The stop/stopPropagation/preventDefault function.
+	 */
+	_handleTabOnSelectedTable( data, cancel ) {
+		const editor = this.editor;
+		const selection = editor.model.document.selection;
+
+		if ( !selection.isCollapsed && selection.rangeCount === 1 && selection.getFirstRange().isFlat ) {
+			const selectedElement = selection.getSelectedElement();
+
+			if ( !selectedElement || !selectedElement.is( 'table' ) ) {
+				return;
+			}
+
+			cancel();
+
+			editor.model.change( writer => {
+				writer.setSelection( writer.createRangeIn( selectedElement.getChild( 0 ).getChild( 0 ) ) );
+			} );
+		}
+	}
+
+	/**
+	 * Returns a handler for {@link module:engine/view/document~Document#event:keydown keydown} events for the <kbd>Tab</kbd> key executed
+	 * inside table cell.
+	 *
+	 * @private
+	 * @param {Boolean} isForward Whether this handler will move the selection to the next or the previous cell.
+	 */
+	_getTabHandler( isForward ) {
+		const editor = this.editor;
+
+		return ( domEventData, cancel ) => {
+			const selection = editor.model.document.selection;
+			const tableCell = getTableCellsContainingSelection( selection )[ 0 ];
+
+			if ( !tableCell ) {
+				return;
+			}
+
+			cancel();
+
+			const tableRow = tableCell.parent;
+			const table = tableRow.parent;
+
+			const currentRowIndex = table.getChildIndex( tableRow );
+			const currentCellIndex = tableRow.getChildIndex( tableCell );
+
+			const isFirstCellInRow = currentCellIndex === 0;
+
+			if ( !isForward && isFirstCellInRow && currentRowIndex === 0 ) {
+				// It's the first cell of the table - don't do anything (stay in the current position).
+				return;
+			}
+
+			const isLastCellInRow = currentCellIndex === tableRow.childCount - 1;
+			const isLastRow = currentRowIndex === table.childCount - 1;
+
+			if ( isForward && isLastRow && isLastCellInRow ) {
+				editor.execute( 'insertTableRowBelow' );
+
+				// Check if the command actually added a row. If `insertTableRowBelow` execution didn't add a row (because it was disabled
+				// or it got overwritten) do not change the selection.
+				if ( currentRowIndex === table.childCount - 1 ) {
+					return;
+				}
+			}
+
+			let cellToFocus;
+
+			// Move to the first cell in the next row.
+			if ( isForward && isLastCellInRow ) {
+				const nextRow = table.getChild( currentRowIndex + 1 );
+
+				cellToFocus = nextRow.getChild( 0 );
+			}
+			// Move to the last cell in the previous row.
+			else if ( !isForward && isFirstCellInRow ) {
+				const previousRow = table.getChild( currentRowIndex - 1 );
+
+				cellToFocus = previousRow.getChild( previousRow.childCount - 1 );
+			}
+			// Move to the next/previous cell.
+			else {
+				cellToFocus = tableRow.getChild( currentCellIndex + ( isForward ? 1 : -1 ) );
+			}
+
+			editor.model.change( writer => {
+				writer.setSelection( writer.createRangeIn( cellToFocus ) );
+			} );
+		};
+	}
+
+	/**
+	 * Handles {@link module:engine/view/document~Document#event:keydown keydown} events.
+	 *
+	 * @private
+	 * @param {module:utils/eventinfo~EventInfo} eventInfo
+	 * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData
+	 */
+	_onKeydown( eventInfo, domEventData ) {
+		const keyCode = domEventData.keyCode;
+
+		if ( !isArrowKeyCode( keyCode ) ) {
+			return;
+		}
+
+		const wasHandled = this._handleArrowKeys( getDirectionFromKeyCode( keyCode, this.editor.locale.contentLanguageDirection ) );
+
+		if ( wasHandled ) {
+			domEventData.preventDefault();
+			domEventData.stopPropagation();
+			eventInfo.stop();
+		}
+	}
+
+	/**
+	 * Handles arrow keys to move the selection around a table.
+	 *
+	 * @private
+	 * @param {'left'|'up'|'right'|'down'} direction The direction of the arrow key.
+	 * @returns {Boolean} Returns `true` if key was handled.
+	 */
+	_handleArrowKeys( direction ) {
+		const model = this.editor.model;
+		const selection = model.document.selection;
+		const isForward = [ 'right', 'down' ].includes( direction );
+
+		// In case one or more table cells are selected (from outside),
+		// move the selection to a cell adjacent to the selected table fragment.
+		const selectedCells = getSelectedTableCells( selection );
+
+		if ( selectedCells.length ) {
+			const tableCell = isForward ? selectedCells[ selectedCells.length - 1 ] : selectedCells[ 0 ];
+
+			this._navigateFromCellInDirection( tableCell, direction );
+
+			return true;
+		}
+
+		// Abort if we're not in a table cell.
+		const tableCell = findAncestor( 'tableCell', selection.focus );
+
+		if ( !tableCell ) {
+			return false;
+		}
+
+		const cellRange = model.createRangeIn( tableCell );
+
+		// Let's check if the selection is at the beginning/end of the cell.
+		if ( this._isSelectionAtCellEdge( selection, isForward ) ) {
+			this._navigateFromCellInDirection( tableCell, direction );
+
+			return true;
+		}
+
+		// If this is an object selected and it's not at the start or the end of cell content
+		// then let's allow widget handler to take care of it.
+		const objectElement = selection.getSelectedElement();
+
+		if ( objectElement && model.schema.isObject( objectElement ) ) {
+			return false;
+		}
+
+		// If next to the selection there is an object then this is not the cell boundary (widget handler should handle this).
+		if ( this._isObjectElementNextToSelection( selection, isForward ) ) {
+			return false;
+		}
+
+		// If there isn't any $text position between cell edge and selection then we shall move the selection to next cell.
+		const textRange = this._findTextRangeFromSelection( cellRange, selection, isForward );
+
+		if ( !textRange ) {
+			this._navigateFromCellInDirection( tableCell, direction );
+
+			return true;
+		}
+
+		// If the navigation is horizontal then we have no more custom cases.
+		if ( [ 'left', 'right' ].includes( direction ) ) {
+			return false;
+		}
+
+		// If the range is a single line then move the selection to the beginning/end of a cell content.
+		//
+		// We can't move the selection directly to the another cell because of dual position at the end/beginning
+		// of wrapped line (it's at the same time at the end of one line and at the start of the next line).
+		if ( this._isSingleLineRange( textRange, isForward ) ) {
+			model.change( writer => {
+				writer.setSelection( isForward ? cellRange.end : cellRange.start );
+			} );
+
+			return true;
+		}
+	}
+
+	/**
+	 * Returns true if the selection is at the boundary of a table cell according to the navigation direction.
+	 *
+	 * @private
+	 * @param {module:engine/model/selection~Selection} selection The current selection.
+	 * @param {Boolean} isForward The expected navigation direction.
+	 * @returns {Boolean}
+	 */
+	_isSelectionAtCellEdge( selection, isForward ) {
+		const model = this.editor.model;
+		const schema = this.editor.model.schema;
+
+		const focus = isForward ? selection.getLastPosition() : selection.getFirstPosition();
+
+		// If the current limit element is not table cell we are for sure not at the cell edge.
+		// Also `modifySelection` will not let us out of it.
+		if ( !schema.getLimitElement( focus ).is( 'tableCell' ) ) {
+			return false;
+		}
+
+		const probe = model.createSelection( focus );
+
+		model.modifySelection( probe, { direction: isForward ? 'forward' : 'backward' } );
+
+		// If there was no change in the focus position, then it's not possible to move the selection there.
+		return focus.isEqual( probe.focus );
+	}
+
+	/**
+	 * Checks if there is an {@link module:engine/model/element~Element element} next to the current
+	 * {@link module:engine/model/selection~Selection model selection} marked in
+	 * {@link module:engine/model/schema~Schema schema} as an `object`.
+	 *
+	 * @private
+	 * @param {module:engine/model/selection~Selection} modelSelection The selection.
+	 * @param {Boolean} isForward Direction of checking.
+	 * @returns {Boolean}
+	 */
+	_isObjectElementNextToSelection( modelSelection, isForward ) {
+		const model = this.editor.model;
+		const schema = model.schema;
+
+		const probe = model.createSelection( modelSelection );
+		model.modifySelection( probe, { direction: isForward ? 'forward' : 'backward' } );
+		const objectElement = isForward ? probe.focus.nodeBefore : probe.focus.nodeAfter;
+
+		return objectElement && schema.isObject( objectElement );
+	}
+
+	/**
+	 * Truncates the range so that it spans from the last selection position
+	 * to the last allowed $text position (mirrored if isForward is false).
+	 *
+	 * Returns `null` if resulting range can't contain $text element (according to schema).
+	 *
+	 * @private
+	 * @param {module:engine/model/range~Range} range Current table cell content range.
+	 * @param {module:engine/model/selection~Selection} selection The current selection.
+	 * @param {Boolean} isForward The expected navigation direction.
+	 * @returns {module:engine/model/range~Range|null}
+	 */
+	_findTextRangeFromSelection( range, selection, isForward ) {
+		const model = this.editor.model;
+
+		if ( isForward ) {
+			const position = selection.getLastPosition();
+			const lastRangePosition = this._getNearestVisibleTextPosition( range, 'backward' );
+
+			if ( lastRangePosition && position.isBefore( lastRangePosition ) ) {
+				return model.createRange( position, lastRangePosition );
+			}
+
+			return null;
+		} else {
+			const position = selection.getFirstPosition();
+			const firstRangePosition = this._getNearestVisibleTextPosition( range, 'forward' );
+
+			if ( firstRangePosition && position.isAfter( firstRangePosition ) ) {
+				return model.createRange( firstRangePosition, position );
+			}
+
+			return null;
+		}
+	}
+
+	/**
+	 * Basing on provided range, finds first/last (depending on `direction`) position inside the range
+	 * that can contain `$text` (according to schema) and is visible in the view.
+	 *
+	 * @param {module:engine/model/range~Range} range The range to find position in.
+	 * @param {'forward'|'backward'} direction Search direction.
+	 * @returns {module:engine/model/position~Position} Nearest selection range.
+	 */
+	_getNearestVisibleTextPosition( range, direction ) {
+		const schema = this.editor.model.schema;
+		const mapper = this.editor.editing.mapper;
+
+		for ( const { nextPosition, item } of range.getWalker( { direction } ) ) {
+			if ( schema.checkChild( nextPosition, '$text' ) ) {
+				const viewElement = mapper.toViewElement( item );
+
+				if ( viewElement && !viewElement.hasClass( 'ck-hidden' ) ) {
+					return nextPosition;
+				}
+			}
+		}
+	}
+
+	/**
+	 * Checks if the DOM range corresponding to provided model range renders as a single line by analyzing DOMRects
+	 * (verifying if they visually wrap content to the next line).
+	 *
+	 * @private
+	 * @param {module:engine/model/range~Range} modelRange Current table cell content range.
+	 * @param {Boolean} isForward The expected navigation direction.
+	 * @returns {Boolean}
+	 */
+	_isSingleLineRange( modelRange, isForward ) {
+		const model = this.editor.model;
+		const editing = this.editor.editing;
+		const domConverter = editing.view.domConverter;
+
+		// Wrapped lines contain exactly the same position at the end of current line
+		// and at the beginning of next line. That position's client rect is at the end
+		// of current line. In case of caret at first position of the last line that 'dual'
+		// position would be detected as it's not the last line.
+		if ( isForward ) {
+			const probe = model.createSelection( modelRange.start );
+
+			model.modifySelection( probe );
+
+			// If the new position is at the end of the container then we can't use this position
+			// because it would provide incorrect result for eg caption of image and selection
+			// just before end of it. Also in this case there is no "dual" position.
+			if ( !probe.focus.isAtEnd && !modelRange.start.isEqual( probe.focus ) ) {
+				modelRange = model.createRange( probe.focus, modelRange.end );
+			}
+		}
+
+		const viewRange = editing.mapper.toViewRange( modelRange );
+		const domRange = domConverter.viewRangeToDom( viewRange );
+		const rects = Rect.getDomRangeRects( domRange );
+
+		let boundaryVerticalPosition;
+
+		for ( const rect of rects ) {
+			if ( boundaryVerticalPosition === undefined ) {
+				boundaryVerticalPosition = Math.round( rect.bottom );
+				continue;
+			}
+
+			// Let's check if this rect is in new line.
+			if ( Math.round( rect.top ) >= boundaryVerticalPosition ) {
+				return false;
+			}
+
+			boundaryVerticalPosition = Math.max( boundaryVerticalPosition, Math.round( rect.bottom ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Moves the selection from the given table cell in the specified direction.
+	 *
+	 * @private
+	 * @param {module:engine/model/element~Element} tableCell The table cell to start the selection navigation.
+	 * @param {'left'|'up'|'right'|'down'} direction Direction in which selection should move.
+	 */
+	_navigateFromCellInDirection( tableCell, direction ) {
+		const model = this.editor.model;
+
+		const table = findAncestor( 'table', tableCell );
+		const tableMap = [ ...new TableWalker( table, { includeSpanned: true } ) ];
+		const { row: lastRow, column: lastColumn } = tableMap[ tableMap.length - 1 ];
+
+		const currentCellInfo = tableMap.find( ( { cell } ) => cell == tableCell );
+		let { row, column } = currentCellInfo;
+
+		switch ( direction ) {
+			case 'left':
+				column--;
+				break;
+
+			case 'up':
+				row--;
+				break;
+
+			case 'right':
+				column += currentCellInfo.colspan;
+				break;
+
+			case 'down':
+				row += currentCellInfo.rowspan;
+				break;
+		}
+
+		const isOutsideVertically = row < 0 || row > lastRow;
+		const isBeforeFirstCell = column < 0 && row <= 0;
+		const isAfterLastCell = column > lastColumn && row >= lastRow;
+
+		// Note that if the table cell at the end of a row is row-spanned then isAfterLastCell will never be true.
+		// However, we don't know if user was navigating on the last row or not, so let's stay in the table.
+
+		if ( isOutsideVertically || isBeforeFirstCell || isAfterLastCell ) {
+			model.change( writer => {
+				writer.setSelection( writer.createRangeOn( table ) );
+			} );
+
+			return;
+		}
+
+		if ( column < 0 ) {
+			column = lastColumn;
+			row--;
+		} else if ( column > lastColumn ) {
+			column = 0;
+			row++;
+		}
+
+		const cellToSelect = tableMap.find( cellInfo => cellInfo.row == row && cellInfo.column == column ).cell;
+		const isForward = [ 'right', 'down' ].includes( direction );
+		const positionToSelect = model.createPositionAt( cellToSelect, isForward ? 0 : 'end' );
+
+		model.change( writer => {
+			writer.setSelection( positionToSelect );
+		} );
+	}
+}
+
+// Returns 'true' if provided key code represents one of the arrow keys.
+//
+// @private
+// @param {Number} keyCode
+// @returns {Boolean}
+function isArrowKeyCode( keyCode ) {
+	return keyCode == keyCodes.arrowright ||
+		keyCode == keyCodes.arrowleft ||
+		keyCode == keyCodes.arrowup ||
+		keyCode == keyCodes.arrowdown;
+}
+
+// Returns direction name from `keyCode`.
+//
+// @private
+// @param {Number} keyCode
+// @param {String} contentLanguageDirection The content language direction.
+// @returns {'left'|'up'|'right'|'down'} Arrow direction.
+function getDirectionFromKeyCode( keyCode, contentLanguageDirection ) {
+	const isLtrContent = contentLanguageDirection === 'ltr';
+
+	switch ( keyCode ) {
+		case keyCodes.arrowleft:
+			return isLtrContent ? 'left' : 'right';
+
+		case keyCodes.arrowright:
+			return isLtrContent ? 'right' : 'left';
+
+		case keyCodes.arrowup:
+			return 'up';
+
+		case keyCodes.arrowdown:
+			return 'down';
+	}
+}

+ 3 - 2
packages/ckeditor5-table/tests/table.js

@@ -8,11 +8,12 @@ import TableEditing from '../src/tableediting';
 import TableUI from '../src/tableui';
 import TableSelection from '../src/tableselection';
 import TableClipboard from '../src/tableclipboard';
+import TableNavigation from '../src/tablenavigation';
 import Widget from '@ckeditor/ckeditor5-widget/src/widget';
 
 describe( 'Table', () => {
-	it( 'requires TableEditing, TableUI, TableSelection, TableClipboard, and Widget', () => {
-		expect( Table.requires ).to.deep.equal( [ TableEditing, TableUI, TableSelection, TableClipboard, Widget ] );
+	it( 'requires TableEditing, TableUI, TableSelection, TableClipboard, TableNavigation and Widget', () => {
+		expect( Table.requires ).to.deep.equal( [ TableEditing, TableUI, TableSelection, TableClipboard, TableNavigation, Widget ] );
 	} );
 
 	it( 'has proper name', () => {

+ 0 - 330
packages/ckeditor5-table/tests/tableediting.js

@@ -6,7 +6,6 @@
 import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';
 import VirtualTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/virtualtesteditor';
 import { getData as getModelData, setData as setModelData } from '@ckeditor/ckeditor5-engine/src/dev-utils/model';
-import { getCode } from '@ckeditor/ckeditor5-utils/src/keyboard';
 import ImageEditing from '@ckeditor/ckeditor5-image/src/image/imageediting';
 
 import TableEditing from '../src/tableediting';
@@ -224,335 +223,6 @@ describe( 'TableEditing', () => {
 		} );
 	} );
 
-	describe( 'caret movement', () => {
-		let domEvtDataStub;
-
-		beforeEach( () => {
-			domEvtDataStub = {
-				keyCode: getCode( 'Tab' ),
-				preventDefault: sinon.spy(),
-				stopPropagation: sinon.spy()
-			};
-		} );
-
-		it( 'should do nothing if not tab pressed', () => {
-			setModelData( model, modelTable( [
-				[ '11', '12[]' ]
-			] ) );
-
-			domEvtDataStub.keyCode = getCode( 'a' );
-
-			editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-			sinon.assert.notCalled( domEvtDataStub.preventDefault );
-			sinon.assert.notCalled( domEvtDataStub.stopPropagation );
-			assertEqualMarkup( getModelData( model ), modelTable( [
-				[ '11', '12[]' ]
-			] ) );
-		} );
-
-		it( 'should do nothing if Ctrl+Tab is pressed', () => {
-			setModelData( model, modelTable( [
-				[ '11', '12[]' ]
-			] ) );
-
-			domEvtDataStub.ctrlKey = true;
-
-			editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-			sinon.assert.notCalled( domEvtDataStub.preventDefault );
-			sinon.assert.notCalled( domEvtDataStub.stopPropagation );
-			assertEqualMarkup( getModelData( model ), modelTable( [
-				[ '11', '12[]' ]
-			] ) );
-		} );
-
-		describe( 'on TAB', () => {
-			it( 'should do nothing if selection is not in a table', () => {
-				setModelData( model, '<paragraph>[]</paragraph>' + modelTable( [ [ '11', '12' ] ] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				sinon.assert.notCalled( domEvtDataStub.preventDefault );
-				sinon.assert.notCalled( domEvtDataStub.stopPropagation );
-				assertEqualMarkup( getModelData( model ), '<paragraph>[]</paragraph>' + modelTable( [
-					[ '11', '12' ]
-				] ) );
-			} );
-
-			it( 'should move to next cell', () => {
-				setModelData( model, modelTable( [
-					[ '11[]', '12' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
-				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[ '11', '[12]' ]
-				] ) );
-			} );
-
-			it( 'should create another row and move to first cell in new row', () => {
-				setModelData( model, modelTable( [
-					[ '11', '[12]' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[ '11', '12' ],
-					[ '[]', '' ]
-				] ) );
-			} );
-
-			it( 'should not create another row and not move the caret if insertTableRowBelow command is disabled', () => {
-				setModelData( model, modelTable( [
-					[ '11', '12[]' ]
-				] ) );
-
-				const insertTableRowBelowCommand = editor.commands.get( 'insertTableRowBelow' );
-
-				insertTableRowBelowCommand.forceDisabled( 'test' );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[ '11', '12[]' ]
-				] ) );
-			} );
-
-			it( 'should move to the first cell of next row if on end of a row', () => {
-				setModelData( model, modelTable( [
-					[ '11', '12[]' ],
-					[ '21', '22' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[ '11', '12' ],
-					[ '[21]', '22' ]
-				] ) );
-			} );
-
-			it( 'should move to the next table cell if part of block content is selected', () => {
-				setModelData( model, modelTable( [
-					[ '11', '<paragraph>12</paragraph><paragraph>[foo]</paragraph><paragraph>bar</paragraph>', '13' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[
-						'11',
-						'<paragraph>12</paragraph><paragraph>foo</paragraph><paragraph>bar</paragraph>',
-						'[13]'
-					]
-				] ) );
-			} );
-
-			it( 'should move to next cell with an image', () => {
-				setModelData( model, modelTable( [
-					[ '11[]', '<paragraph>foo</paragraph><image></image>' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
-				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[ '11', '<paragraph>[foo</paragraph><image></image>]' ]
-				] ) );
-			} );
-
-			it( 'should move to next cell with an blockQuote', () => {
-				model.schema.register( 'blockQuote', {
-					allowWhere: '$block',
-					allowContentOf: '$root'
-				} );
-				editor.conversion.elementToElement( { model: 'blockQuote', view: 'blockquote' } );
-
-				setModelData( model, modelTable( [
-					[ '11[]', '<blockQuote><paragraph>foo</paragraph></blockQuote>' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
-				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[ '11', '<blockQuote><paragraph>[foo]</paragraph></blockQuote>' ]
-				] ) );
-			} );
-
-			it( 'should listen with lower priority then its children', () => {
-				// Cancel TAB event.
-				editor.keystrokes.set( 'Tab', ( data, cancel ) => cancel() );
-
-				setModelData( model, modelTable( [
-					[ '11[]', '12' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
-				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
-
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[ '11[]', '12' ]
-				] ) );
-			} );
-
-			describe( 'on table widget selected', () => {
-				beforeEach( () => {
-					editor.model.schema.register( 'block', {
-						allowWhere: '$block',
-						allowContentOf: '$block',
-						isObject: true
-					} );
-
-					editor.conversion.elementToElement( { model: 'block', view: 'block' } );
-				} );
-
-				it( 'should move caret to the first table cell on TAB', () => {
-					const spy = sinon.spy();
-
-					editor.keystrokes.set( 'Tab', spy, { priority: 'lowest' } );
-
-					setModelData( model, '[' + modelTable( [
-						[ '11', '12' ]
-					] ) + ']' );
-
-					editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-					sinon.assert.calledOnce( domEvtDataStub.preventDefault );
-					sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
-
-					assertEqualMarkup( getModelData( model ), modelTable( [
-						[ '[11]', '12' ]
-					] ) );
-
-					// Should cancel event - so no other tab handler is called.
-					sinon.assert.notCalled( spy );
-				} );
-
-				it( 'shouldn\'t do anything on other blocks', () => {
-					const spy = sinon.spy();
-
-					editor.editing.view.document.on( 'keydown', spy );
-
-					setModelData( model, '[<block>foo</block>]' );
-
-					editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-					sinon.assert.notCalled( domEvtDataStub.preventDefault );
-					sinon.assert.notCalled( domEvtDataStub.stopPropagation );
-
-					assertEqualMarkup( getModelData( model ), '[<block>foo</block>]' );
-
-					// Should not cancel event.
-					sinon.assert.calledOnce( spy );
-				} );
-			} );
-		} );
-
-		describe( 'on SHIFT+TAB', () => {
-			beforeEach( () => {
-				domEvtDataStub.shiftKey = true;
-			} );
-
-			it( 'should do nothing if selection is not in a table', () => {
-				setModelData( model, '<paragraph>[]</paragraph>' + modelTable( [
-					[ '11', '12' ]
-				] ) );
-
-				domEvtDataStub.keyCode = getCode( 'Tab' );
-				domEvtDataStub.shiftKey = true;
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				sinon.assert.notCalled( domEvtDataStub.preventDefault );
-				sinon.assert.notCalled( domEvtDataStub.stopPropagation );
-				assertEqualMarkup( getModelData( model ), '<paragraph>[]</paragraph>' + modelTable( [
-					[ '11', '12' ]
-				] ) );
-			} );
-
-			it( 'should move to previous cell', () => {
-				setModelData( model, modelTable( [
-					[ '11', '12[]' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
-				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
-
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[ '[11]', '12' ]
-				] ) );
-			} );
-
-			it( 'should not move if caret is in first table cell', () => {
-				setModelData( model, '<paragraph>foo</paragraph>' + modelTable( [
-					[ '[]11', '12' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				assertEqualMarkup( getModelData( model ),
-					'<paragraph>foo</paragraph>' + modelTable( [ [ '[]11', '12' ] ] )
-				);
-			} );
-
-			it( 'should move to the last cell of previous row if on beginning of a row', () => {
-				setModelData( model, modelTable( [
-					[ '11', '12' ],
-					[ '[]21', '22' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[ '11', '[12]' ],
-					[ '21', '22' ]
-				] ) );
-			} );
-
-			it( 'should move to the previous table cell if part of block content is selected', () => {
-				setModelData( model, modelTable( [
-					[ '11', '<paragraph>12</paragraph><paragraph>[foo]</paragraph><paragraph>bar</paragraph>', '13' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[
-						'[11]',
-						'<paragraph>12</paragraph><paragraph>foo</paragraph><paragraph>bar</paragraph>',
-						'13'
-					]
-				] ) );
-			} );
-
-			it( 'should move to previous cell with an image', () => {
-				setModelData( model, modelTable( [
-					[ '<paragraph>foo</paragraph><image></image>', 'bar[]' ]
-				] ) );
-
-				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
-
-				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
-				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
-				assertEqualMarkup( getModelData( model ), modelTable( [
-					[ '<paragraph>[foo</paragraph><image></image>]', 'bar' ]
-				] ) );
-			} );
-		} );
-	} );
-
 	describe( 'enter key', () => {
 		let evtDataStub, viewDocument;
 

+ 2284 - 0
packages/ckeditor5-table/tests/tablenavigation.js

@@ -0,0 +1,2284 @@
+/**
+ * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+ */
+
+import TableNavigation from '../src/tablenavigation';
+import Table from '../src/table';
+import TableEditing from '../src/tableediting';
+import TableSelection from '../src/tableselection';
+import { modelTable } from './_utils/utils';
+
+import VirtualTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/virtualtesteditor';
+import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';
+import ImageEditing from '@ckeditor/ckeditor5-image/src/image/imageediting';
+import MediaEmbedEditing from '@ckeditor/ckeditor5-media-embed/src/mediaembedediting';
+import ImageCaptionEditing from '@ckeditor/ckeditor5-image/src/imagecaption/imagecaptionediting';
+import HorizontalLineEditing from '@ckeditor/ckeditor5-horizontal-line/src/horizontallineediting';
+import ClassicTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/classictesteditor';
+import Image from '@ckeditor/ckeditor5-image/src/image';
+import ImageCaption from '@ckeditor/ckeditor5-image/src/imagecaption';
+import HorizontalLine from '@ckeditor/ckeditor5-horizontal-line/src/horizontalline';
+
+import { getCode } from '@ckeditor/ckeditor5-utils/src/keyboard';
+import { getData as getModelData, setData as setModelData } from '@ckeditor/ckeditor5-engine/src/dev-utils/model';
+import { assertEqualMarkup } from '@ckeditor/ckeditor5-utils/tests/_utils/utils';
+import global from '@ckeditor/ckeditor5-utils/src/dom/global';
+import env from '@ckeditor/ckeditor5-utils/src/env';
+
+describe( 'TableNavigation', () => {
+	let editor, model, modelRoot, tableSelection;
+
+	const imageUrl = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAAAUCAQAAADRyVAeAAAAKklEQVR42u3PAQ0AAAwCI' +
+		'O0f+u/hoAHNZUJFRERERERERERERERERLYiD9N4FAFj2iK6AAAAAElFTkSuQmCC';
+
+	beforeEach( () => {
+		return VirtualTestEditor
+			.create( {
+				plugins: [ TableEditing, TableNavigation, TableSelection, Paragraph, ImageEditing, ImageCaptionEditing, MediaEmbedEditing,
+					HorizontalLineEditing ]
+			} )
+			.then( newEditor => {
+				editor = newEditor;
+
+				model = editor.model;
+				modelRoot = model.document.getRoot();
+				tableSelection = editor.plugins.get( TableSelection );
+			} );
+	} );
+
+	afterEach( () => {
+		editor.destroy();
+	} );
+
+	it( 'should have pluginName', () => {
+		expect( TableNavigation.pluginName ).to.equal( 'TableNavigation' );
+	} );
+
+	describe( 'Tab key handling', () => {
+		let domEvtDataStub;
+
+		beforeEach( () => {
+			domEvtDataStub = {
+				keyCode: getCode( 'Tab' ),
+				preventDefault: sinon.spy(),
+				stopPropagation: sinon.spy()
+			};
+		} );
+
+		it( 'should do nothing if pressed other key', () => {
+			setModelData( model, modelTable( [
+				[ '11', '12[]' ]
+			] ) );
+
+			domEvtDataStub.keyCode = getCode( 'a' );
+
+			editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+			sinon.assert.notCalled( domEvtDataStub.preventDefault );
+			sinon.assert.notCalled( domEvtDataStub.stopPropagation );
+			assertEqualMarkup( getModelData( model ), modelTable( [
+				[ '11', '12[]' ]
+			] ) );
+		} );
+
+		it( 'should do nothing if Ctrl+Tab is pressed', () => {
+			setModelData( model, modelTable( [
+				[ '11', '12[]' ]
+			] ) );
+
+			domEvtDataStub.ctrlKey = true;
+
+			editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+			sinon.assert.notCalled( domEvtDataStub.preventDefault );
+			sinon.assert.notCalled( domEvtDataStub.stopPropagation );
+			assertEqualMarkup( getModelData( model ), modelTable( [
+				[ '11', '12[]' ]
+			] ) );
+		} );
+
+		describe( 'on Tab key press', () => {
+			it( 'should do nothing if the selection is not in a table', () => {
+				setModelData( model, '<paragraph>[]</paragraph>' + modelTable( [ [ '11', '12' ] ] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				sinon.assert.notCalled( domEvtDataStub.preventDefault );
+				sinon.assert.notCalled( domEvtDataStub.stopPropagation );
+				assertEqualMarkup( getModelData( model ), '<paragraph>[]</paragraph>' + modelTable( [
+					[ '11', '12' ]
+				] ) );
+			} );
+
+			it( 'should move to the next cell', () => {
+				setModelData( model, modelTable( [
+					[ '11[]', '12' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
+				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[ '11', '[12]' ]
+				] ) );
+			} );
+
+			it( 'should create another row and move to the first cell in a new row', () => {
+				setModelData( model, modelTable( [
+					[ '11', '[12]' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[ '11', '12' ],
+					[ '[]', '' ]
+				] ) );
+			} );
+
+			it( 'should not create another row and not move the caret if the "insertTableRowBelow" command is disabled', () => {
+				setModelData( model, modelTable( [
+					[ '11', '12[]' ]
+				] ) );
+
+				const insertTableRowBelowCommand = editor.commands.get( 'insertTableRowBelow' );
+
+				insertTableRowBelowCommand.forceDisabled( 'test' );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[ '11', '12[]' ]
+				] ) );
+			} );
+
+			it( 'should move to the first cell of the next row if at the end of a row', () => {
+				setModelData( model, modelTable( [
+					[ '11', '12[]' ],
+					[ '21', '22' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[ '11', '12' ],
+					[ '[21]', '22' ]
+				] ) );
+			} );
+
+			it( 'should move to the next table cell if the block content is partially selected', () => {
+				setModelData( model, modelTable( [
+					[ '11', '<paragraph>12</paragraph><paragraph>[foo]</paragraph><paragraph>bar</paragraph>', '13' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[
+						'11',
+						'<paragraph>12</paragraph><paragraph>foo</paragraph><paragraph>bar</paragraph>',
+						'[13]'
+					]
+				] ) );
+			} );
+
+			it( 'should move to the next cell containing an image', () => {
+				setModelData( model, modelTable( [
+					[ '11[]', '<paragraph>foo</paragraph><image><caption></caption></image>' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
+				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[ '11', '<paragraph>[foo</paragraph><image><caption></caption></image>]' ]
+				] ) );
+			} );
+
+			it( 'should move to the next cell containing a block quote', () => {
+				model.schema.register( 'blockQuote', {
+					allowWhere: '$block',
+					allowContentOf: '$root'
+				} );
+				editor.conversion.elementToElement( { model: 'blockQuote', view: 'blockquote' } );
+
+				setModelData( model, modelTable( [
+					[ '11[]', '<blockQuote><paragraph>foo</paragraph></blockQuote>' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
+				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[ '11', '<blockQuote><paragraph>[foo]</paragraph></blockQuote>' ]
+				] ) );
+			} );
+
+			it( 'should listen with the lower priority than its children', () => {
+				// Cancel TAB event.
+				editor.keystrokes.set( 'Tab', ( data, cancel ) => cancel() );
+
+				setModelData( model, modelTable( [
+					[ '11[]', '12' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
+				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
+
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[ '11[]', '12' ]
+				] ) );
+			} );
+
+			describe( 'on table widget selected', () => {
+				beforeEach( () => {
+					editor.model.schema.register( 'block', {
+						allowWhere: '$block',
+						allowContentOf: '$block',
+						isObject: true
+					} );
+
+					editor.conversion.elementToElement( { model: 'block', view: 'block' } );
+				} );
+
+				it( 'should move caret to the first table cell on TAB', () => {
+					const spy = sinon.spy();
+
+					editor.keystrokes.set( 'Tab', spy, { priority: 'lowest' } );
+
+					setModelData( model, '[' + modelTable( [
+						[ '11', '12' ]
+					] ) + ']' );
+
+					editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+					sinon.assert.calledOnce( domEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '[11]', '12' ]
+					] ) );
+
+					// Should cancel event - so no other tab handler is called.
+					sinon.assert.notCalled( spy );
+				} );
+
+				it( 'shouldn\'t do anything on other blocks', () => {
+					const spy = sinon.spy();
+
+					editor.editing.view.document.on( 'keydown', spy );
+
+					setModelData( model, '[<block>foo</block>]' );
+
+					editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+					sinon.assert.notCalled( domEvtDataStub.preventDefault );
+					sinon.assert.notCalled( domEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), '[<block>foo</block>]' );
+
+					// Should not cancel event.
+					sinon.assert.calledOnce( spy );
+				} );
+			} );
+		} );
+
+		describe( 'on Shift+Tab key press', () => {
+			beforeEach( () => {
+				domEvtDataStub.shiftKey = true;
+			} );
+
+			it( 'should do nothing if the selection is not in a table', () => {
+				setModelData( model, '<paragraph>[]</paragraph>' + modelTable( [
+					[ '11', '12' ]
+				] ) );
+
+				domEvtDataStub.keyCode = getCode( 'Tab' );
+				domEvtDataStub.shiftKey = true;
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				sinon.assert.notCalled( domEvtDataStub.preventDefault );
+				sinon.assert.notCalled( domEvtDataStub.stopPropagation );
+				assertEqualMarkup( getModelData( model ), '<paragraph>[]</paragraph>' + modelTable( [
+					[ '11', '12' ]
+				] ) );
+			} );
+
+			it( 'should move to the previous cell', () => {
+				setModelData( model, modelTable( [
+					[ '11', '12[]' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
+				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
+
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[ '[11]', '12' ]
+				] ) );
+			} );
+
+			it( 'should not move if the caret is in the first table cell', () => {
+				setModelData( model, '<paragraph>foo</paragraph>' + modelTable( [
+					[ '[]11', '12' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				assertEqualMarkup( getModelData( model ),
+					'<paragraph>foo</paragraph>' + modelTable( [ [ '[]11', '12' ] ] )
+				);
+			} );
+
+			it( 'should move to the last cell of a previous row if at the beginning of a row', () => {
+				setModelData( model, modelTable( [
+					[ '11', '12' ],
+					[ '[]21', '22' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[ '11', '[12]' ],
+					[ '21', '22' ]
+				] ) );
+			} );
+
+			it( 'should move to the previous table cell if the block content is partially selected', () => {
+				setModelData( model, modelTable( [
+					[ '11', '<paragraph>12</paragraph><paragraph>[foo]</paragraph><paragraph>bar</paragraph>', '13' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[
+						'[11]',
+						'<paragraph>12</paragraph><paragraph>foo</paragraph><paragraph>bar</paragraph>',
+						'13'
+					]
+				] ) );
+			} );
+
+			it( 'should move to the previous cell containing an image', () => {
+				setModelData( model, modelTable( [
+					[ '<paragraph>foo</paragraph><image><caption></caption></image>', 'bar[]' ]
+				] ) );
+
+				editor.editing.view.document.fire( 'keydown', domEvtDataStub );
+
+				sinon.assert.calledOnce( domEvtDataStub.preventDefault );
+				sinon.assert.calledOnce( domEvtDataStub.stopPropagation );
+				assertEqualMarkup( getModelData( model ), modelTable( [
+					[ '<paragraph>[foo</paragraph><image><caption></caption></image>]', 'bar' ]
+				] ) );
+			} );
+		} );
+	} );
+
+	describe( 'Arrow keys handling', () => {
+		let leftArrowDomEvtDataStub, rightArrowDomEvtDataStub, upArrowDomEvtDataStub, downArrowDomEvtDataStub;
+
+		beforeEach( () => {
+			leftArrowDomEvtDataStub = {
+				keyCode: getCode( 'ArrowLeft' ),
+				preventDefault: sinon.spy(),
+				stopPropagation: sinon.spy(),
+				domTarget: global.document.body
+			};
+			rightArrowDomEvtDataStub = {
+				keyCode: getCode( 'ArrowRight' ),
+				preventDefault: sinon.spy(),
+				stopPropagation: sinon.spy(),
+				domTarget: global.document.body
+			};
+			upArrowDomEvtDataStub = {
+				keyCode: getCode( 'ArrowUp' ),
+				preventDefault: sinon.spy(),
+				stopPropagation: sinon.spy(),
+				domTarget: global.document.body
+			};
+			downArrowDomEvtDataStub = {
+				keyCode: getCode( 'ArrowDown' ),
+				preventDefault: sinon.spy(),
+				stopPropagation: sinon.spy(),
+				domTarget: global.document.body
+			};
+		} );
+
+		it( 'should do nothing if pressed some non-arrow key', () => {
+			setModelData( model, modelTable( [
+				[ '00', '01[]' ]
+			] ) );
+
+			leftArrowDomEvtDataStub.keyCode = getCode( 'a' );
+
+			editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+			sinon.assert.notCalled( leftArrowDomEvtDataStub.preventDefault );
+			sinon.assert.notCalled( leftArrowDomEvtDataStub.stopPropagation );
+
+			assertEqualMarkup( getModelData( model ), modelTable( [
+				[ '00', '01[]' ]
+			] ) );
+		} );
+
+		it( 'should do nothing if the selection is not in a table', () => {
+			const modelData = '<paragraph>[]foobar</paragraph>' + modelTable( [ [ '00', '01' ] ] );
+
+			setModelData( model, modelData );
+
+			editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+			sinon.assert.notCalled( upArrowDomEvtDataStub.preventDefault );
+			sinon.assert.notCalled( upArrowDomEvtDataStub.stopPropagation );
+
+			assertEqualMarkup( getModelData( model ), modelData );
+		} );
+
+		describe( '#_navigateFromCellInDirection (finding a proper cell to move the selection to)', () => {
+			let tableNavigation;
+
+			beforeEach( () => {
+				tableNavigation = editor.plugins.get( TableNavigation );
+			} );
+
+			describe( 'with no col/row-spanned cells', () => {
+				beforeEach( () => {
+					setModelData( model, '<paragraph>foo</paragraph>' + modelTable( [
+						[ '00', '01', '02' ],
+						[ '10', '11', '12' ],
+						[ '20', '21', '22' ]
+					] ) + '<paragraph>bar</paragraph>' );
+				} );
+
+				describe( 'from the first table cell', () => {
+					let tableCell;
+
+					beforeEach( () => {
+						tableCell = modelRoot.getNodeByPath( [ 1, 0, 0 ] );
+					} );
+
+					it( 'should navigate to the start position of the cell on the right when the direction is "right"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'right' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00', '[]01', '02' ],
+							[ '10', '11', '12' ],
+							[ '20', '21', '22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should navigate to the start position of the cell below when the direction is "down"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'down' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '[]10', '11', '12' ],
+							[ '20', '21', '22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should select a whole table when the direction is "up"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'up' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>[' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11', '12' ],
+							[ '20', '21', '22' ]
+						] ) + ']<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should select a whole table when the direction is "left"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'left' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>[' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11', '12' ],
+							[ '20', '21', '22' ]
+						] ) + ']<paragraph>bar</paragraph>' );
+					} );
+				} );
+
+				describe( 'from the last table cell', () => {
+					let tableCell;
+
+					beforeEach( () => {
+						tableCell = modelRoot.getNodeByPath( [ 1, 2, 2 ] );
+					} );
+
+					it( 'should navigate to the end position of the cell on the left when the direction is "left"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'left' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11', '12' ],
+							[ '20', '21[]', '22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should navigate to the end position of the cell above when the direction is "up"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'up' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11', '12[]' ],
+							[ '20', '21', '22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should select a whole table when the direction is "down"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'down' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>[' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11', '12' ],
+							[ '20', '21', '22' ]
+						] ) + ']<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should select a whole table when the direction is "right"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'right' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>[' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11', '12' ],
+							[ '20', '21', '22' ]
+						] ) + ']<paragraph>bar</paragraph>' );
+					} );
+				} );
+
+				describe( 'from a cell in the first column (but not first row)', () => {
+					let tableCell;
+
+					beforeEach( () => {
+						tableCell = modelRoot.getNodeByPath( [ 1, 1, 0 ] );
+					} );
+
+					it( 'should navigate to start position of the cell on the right when the direction is "right"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'right' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '[]11', '12' ],
+							[ '20', '21', '22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should navigate to the end position of the cell above when the direction is "up"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'up' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00[]', '01', '02' ],
+							[ '10', '11', '12' ],
+							[ '20', '21', '22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should navigate to the start position of the cell below when the direction is "down"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'down' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11', '12' ],
+							[ '[]20', '21', '22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should navigate to the end position of the last cell in the previous row when the direction is "left"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'left' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00', '01', '02[]' ],
+							[ '10', '11', '12' ],
+							[ '20', '21', '22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+				} );
+
+				describe( 'from a cell in the last column (but not the last row)', () => {
+					let tableCell;
+
+					beforeEach( () => {
+						tableCell = modelRoot.getNodeByPath( [ 1, 1, 2 ] );
+					} );
+
+					it( 'should navigate to the end position of the cell on the left when the direction is "left"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'left' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11[]', '12' ],
+							[ '20', '21', '22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should navigate to the end position the cell above when the direction is "up"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'up' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00', '01', '02[]' ],
+							[ '10', '11', '12' ],
+							[ '20', '21', '22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should navigate to the start position of the cell below when the direction is "down"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'down' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11', '12' ],
+							[ '20', '21', '[]22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+
+					it( 'should navigate to the start position of the first cell in the next row when the direction is "right"', () => {
+						tableNavigation._navigateFromCellInDirection( tableCell, 'right' );
+
+						assertEqualMarkup( getModelData( model ), '<paragraph>foo</paragraph>' + modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11', '12' ],
+							[ '[]20', '21', '22' ]
+						] ) + '<paragraph>bar</paragraph>' );
+					} );
+				} );
+			} );
+
+			describe( 'with col/row-spanned cells', () => {
+				beforeEach( () => {
+					// +----+----+----+----+----+
+					// | 00 | 01 | 02 | 03 | 04 |
+					// +----+----+----+----+----+
+					// | 10 | 11      | 13 | 14 |
+					// +----+         +    +----+
+					// | 20 |         |    | 24 |
+					// +----+----+----+----+----+
+					// | 30 | 31      | 33 | 34 |
+					// +----+----+----+----+----+
+					// | 40 | 41 | 42 | 43 | 44 |
+					// +----+----+----+----+----+
+					setModelData( model, modelTable( [
+						[ '00', '01', '02', '03', '04' ],
+						[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+						[ '20', '24' ],
+						[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+						[ '40', '41', '42', '43', '44' ]
+					] ) );
+				} );
+
+				describe( 'when navigating to the right', () => {
+					it( 'should navigate to the row-col-spanned cell when approaching from the upper-spanned row', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 1, 0 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'right' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '[]11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the row-col-spanned cell when approaching from the lower-spanned row', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 2, 0 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'right' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '[]11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the row-spanned cell when approaching from the other row-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 1, 1 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'right' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '[]13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell in the upper-spanned row when approaching from the row-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 1, 2 ] ); // Cell 13.
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'right' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '[]14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the col-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 3, 0 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'right' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '[]31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate from the col-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 3, 1 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'right' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '[]33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+				} );
+
+				describe( 'when navigating to the left', () => {
+					it( 'should navigate to the row-spanned cell when approaching from the upper-spanned row', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 1, 3 ] ); // Cell 14.
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'left' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13[]', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the row-spanned cell when approaching from the lower-spanned row', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 2, 1 ] ); // Cell 24.
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'left' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13[]', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the row-spanned cell when approaching from the other row-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 1, 2 ] ); // Cell 13.
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'left' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11[]', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell in the upper-spanned row when approaching from the row-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 1, 1 ] ); // Cell 11.
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'left' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10[]', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the col-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 3, 2 ] ); // Cell 33.
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'left' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31[]', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate from the col-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 3, 1 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'left' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30[]', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+				} );
+
+				describe( 'when navigating down', () => {
+					it( 'should navigate to the row-col-spanned cell when approaching from the first spanned column', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 0, 1 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'down' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '[]11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the row-col-spanned cell when approaching from the last spanned column', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 0, 2 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'down' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '[]11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the row-spanned cell when approaching from the other col-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 1, 1 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'down' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '[]31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell in the first spanned column when approaching from the col-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 1, 1 ] ); // Cell 11.
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'down' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '[]31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the row-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 0, 3 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'down' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '[]13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate from the row-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 1, 2 ] ); // Cell 13.
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'down' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '[]33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+				} );
+
+				describe( 'when navigating up', () => {
+					it( 'should navigate to the col-spanned cell when approaching from the first spanned column', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 4, 1 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'up' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31[]', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the col-spanned cell when approaching from the last spanned column', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 4, 2 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'up' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31[]', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the row-col-spanned cell when approaching from the other col-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 3, 1 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'up' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11[]', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell in the first spanned column when approaching from the col-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 1, 1 ] );
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'up' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01[]', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the row-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 3, 2 ] ); // Cell 33.
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'up' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13[]', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+
+					it( 'should navigate from the row-spanned cell', () => {
+						const tableCell = modelRoot.getNodeByPath( [ 0, 1, 2 ] ); // Cell 13.
+
+						tableNavigation._navigateFromCellInDirection( tableCell, 'up' );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02', '03[]', '04' ],
+							[ '10', { contents: '11', colspan: 2, rowspan: 2 }, { contents: '13', rowspan: 2 }, '14' ],
+							[ '20', '24' ],
+							[ '30', { contents: '31', colspan: 2 }, '33', '34' ],
+							[ '40', '41', '42', '43', '44' ]
+						] ) );
+					} );
+				} );
+			} );
+		} );
+
+		describe( 'with the table cells selected from outside', () => {
+			describe( 'on a single table cell selected', () => {
+				beforeEach( () => {
+					setModelData( model, modelTable( [
+						[ '00', '01', '02' ],
+						[ '10', '11', '12' ],
+						[ '20', '21', '22' ]
+					] ) );
+
+					tableSelection._setCellSelection(
+						modelRoot.getNodeByPath( [ 0, 1, 1 ] ),
+						modelRoot.getNodeByPath( [ 0, 1, 1 ] )
+					);
+				} );
+
+				it( 'should move to the cell on the left', () => {
+					editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( leftArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( leftArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02' ],
+						[ '10[]', '11', '12' ],
+						[ '20', '21', '22' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell on the right', () => {
+					editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( rightArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( rightArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02' ],
+						[ '10', '11', '[]12' ],
+						[ '20', '21', '22' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell above the selection', () => {
+					editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01[]', '02' ],
+						[ '10', '11', '12' ],
+						[ '20', '21', '22' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell below the selection', () => {
+					editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02' ],
+						[ '10', '11', '12' ],
+						[ '20', '[]21', '22' ]
+					] ) );
+				} );
+			} );
+
+			describe( 'on multiple table cells selected vertically', () => {
+				beforeEach( () => {
+					setModelData( model, modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10', '11', '12', '13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+
+					tableSelection._setCellSelection(
+						modelRoot.getNodeByPath( [ 0, 1, 1 ] ),
+						modelRoot.getNodeByPath( [ 0, 2, 1 ] )
+					);
+				} );
+
+				it( 'should move to the cell on the top left of the selection', () => {
+					editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( leftArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( leftArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10[]', '11', '12', '13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell on the bottom right of the selection', () => {
+					editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( rightArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( rightArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10', '11', '12', '13' ],
+						[ '20', '21', '[]22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell above the selection', () => {
+					editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01[]', '02', '03' ],
+						[ '10', '11', '12', '13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell below the selection', () => {
+					editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10', '11', '12', '13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '[]31', '32', '33' ]
+					] ) );
+				} );
+			} );
+
+			describe( 'on multiple table cell selected horizontally', () => {
+				beforeEach( () => {
+					setModelData( model, modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10', '11', '12', '13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+
+					// Note that this also tests that selection direction doesn't matter.
+
+					tableSelection._setCellSelection(
+						modelRoot.getNodeByPath( [ 0, 1, 2 ] ),
+						modelRoot.getNodeByPath( [ 0, 1, 1 ] )
+					);
+				} );
+
+				it( 'should move to the cell on the top left of the selection', () => {
+					editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( leftArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( leftArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10[]', '11', '12', '13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell on the bottom right of the selection', () => {
+					editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( rightArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( rightArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10', '11', '12', '[]13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell above the selection', () => {
+					editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01[]', '02', '03' ],
+						[ '10', '11', '12', '13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell below the selection', () => {
+					editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10', '11', '12', '13' ],
+						[ '20', '21', '[]22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+				} );
+			} );
+
+			describe( 'on multiple table cell selected diagonally', () => {
+				beforeEach( () => {
+					setModelData( model, modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10', '11', '12', '13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+
+					tableSelection._setCellSelection(
+						modelRoot.getNodeByPath( [ 0, 1, 1 ] ),
+						modelRoot.getNodeByPath( [ 0, 2, 2 ] )
+					);
+				} );
+
+				it( 'should move to the cell on the top left of selection', () => {
+					editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( leftArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( leftArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10[]', '11', '12', '13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell on the bottom right of selection', () => {
+					editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( rightArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( rightArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10', '11', '12', '13' ],
+						[ '20', '21', '22', '[]23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell above selection', () => {
+					editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01[]', '02', '03' ],
+						[ '10', '11', '12', '13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '31', '32', '33' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell below selection', () => {
+					editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02', '03' ],
+						[ '10', '11', '12', '13' ],
+						[ '20', '21', '22', '23' ],
+						[ '30', '31', '[]32', '33' ]
+					] ) );
+				} );
+			} );
+		} );
+
+		describe( 'with the selection inside a table cell', () => {
+			describe( 'with the selection at the boundary of a cell', () => {
+				describe( 'simple cell text content', () => {
+					it( 'should navigate to the cell on the left', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '[]11', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( leftArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( leftArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10[]', '11', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell on the right', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11[]', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( rightArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( rightArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11', '[]12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell above', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '[]11', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01[]', '02' ],
+							[ '10', '11', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell below', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11[]', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11', '12' ],
+							[ '20', '[]21', '22' ]
+						] ) );
+					} );
+				} );
+
+				describe( 'multiple paragraphs in the cell content', () => {
+					it( 'should navigate to the cell on the left', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<paragraph>[]11</paragraph><paragraph>x</paragraph>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( leftArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( leftArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10[]', '<paragraph>11</paragraph><paragraph>x</paragraph>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell on the right', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<paragraph>11</paragraph><paragraph>x[]</paragraph>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( rightArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( rightArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<paragraph>11</paragraph><paragraph>x</paragraph>', '[]12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell above', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<paragraph>[]11</paragraph><paragraph>x</paragraph>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01[]', '02' ],
+							[ '10', '<paragraph>11</paragraph><paragraph>x</paragraph>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell below', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<paragraph>11</paragraph><paragraph>x[]</paragraph>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<paragraph>11</paragraph><paragraph>x</paragraph>', '12' ],
+							[ '20', '[]21', '22' ]
+						] ) );
+					} );
+				} );
+
+				describe( 'image widget with caption as only cell content', () => {
+					it( 'should navigate to the cell on the left', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<image src="${ imageUrl }"><caption>[]11</caption></image>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( leftArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( leftArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10[]', `<image src="${ imageUrl }"><caption>11</caption></image>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell on the right', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<image src="${ imageUrl }"><caption>11[]</caption></image>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( rightArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( rightArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<image src="${ imageUrl }"><caption>11</caption></image>`, '[]12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell above', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<image src="${ imageUrl }"><caption>[]11</caption></image>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01[]', '02' ],
+							[ '10', `<image src="${ imageUrl }"><caption>11</caption></image>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell below', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<image src="${ imageUrl }"><caption>11[]</caption></image>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<image src="${ imageUrl }"><caption>11</caption></image>`, '12' ],
+							[ '20', '[]21', '22' ]
+						] ) );
+					} );
+				} );
+
+				describe( 'horizontal line as only cell content (widget without $text positions)', () => {
+					beforeEach( () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '[<horizontalLine></horizontalLine>]', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell on the left', () => {
+						editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( leftArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( leftArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10[]', '<horizontalLine></horizontalLine>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell on the right', () => {
+						editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( rightArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( rightArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<horizontalLine></horizontalLine>', '[]12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell above', () => {
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01[]', '02' ],
+							[ '10', '<horizontalLine></horizontalLine>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell below', () => {
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<horizontalLine></horizontalLine>', '12' ],
+							[ '20', '[]21', '22' ]
+						] ) );
+					} );
+				} );
+
+				describe( 'two horizontal lines as only cell content (widget without $text positions)', () => {
+					it( 'should navigate to the cell on the left', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '[<horizontalLine></horizontalLine>]<horizontalLine></horizontalLine>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( leftArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( leftArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10[]', '<horizontalLine></horizontalLine><horizontalLine></horizontalLine>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell on the right', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<horizontalLine></horizontalLine>[<horizontalLine></horizontalLine>]', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( rightArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( rightArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<horizontalLine></horizontalLine><horizontalLine></horizontalLine>', '[]12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell above', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '[<horizontalLine></horizontalLine>]<horizontalLine></horizontalLine>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01[]', '02' ],
+							[ '10', '<horizontalLine></horizontalLine><horizontalLine></horizontalLine>', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should navigate to the cell below', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<horizontalLine></horizontalLine>[<horizontalLine></horizontalLine>]', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '<horizontalLine></horizontalLine><horizontalLine></horizontalLine>', '12' ],
+							[ '20', '[]21', '22' ]
+						] ) );
+					} );
+				} );
+			} );
+
+			describe( 'with selection not at the boundary of a cell', () => {
+				let editorElement, editor, model, styleElement;
+
+				beforeEach( async () => {
+					editorElement = global.document.createElement( 'div' );
+					global.document.body.appendChild( editorElement );
+
+					editor = await ClassicTestEditor.create( editorElement, {
+						plugins: [ Table, Paragraph, Image, ImageCaption, HorizontalLine ]
+					} );
+
+					model = editor.model;
+
+					styleElement = global.document.createElement( 'style' );
+					styleElement.type = 'text/css';
+					styleElement.appendChild( global.document.createTextNode(
+						`
+						* {
+							font-size: 12px !important;
+							font-family: serif !important;
+							margin: 0 !important;
+							padding: 0 !important;
+							border: 0 !important
+						}
+						td { width: 30px !important; }
+						tr:nth-child(2) td:nth-child(2) { width: 300px !important; }
+						`
+					) );
+					global.document.querySelector( 'head' ).appendChild( styleElement );
+				} );
+
+				afterEach( async () => {
+					editorElement.remove();
+					styleElement.remove();
+					await editor.destroy();
+				} );
+
+				describe( 'simple cell text content', () => {
+					it( 'should not navigate to the cell on the left', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '1[]1', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+						sinon.assert.notCalled( leftArrowDomEvtDataStub.preventDefault );
+						sinon.assert.notCalled( leftArrowDomEvtDataStub.stopPropagation );
+					} );
+
+					it( 'should not navigate to the cell on the right', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '1[]1', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+						sinon.assert.notCalled( rightArrowDomEvtDataStub.preventDefault );
+						sinon.assert.notCalled( rightArrowDomEvtDataStub.stopPropagation );
+					} );
+
+					it( 'should not navigate to the cell above', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '1[]1', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '[]11', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should not navigate to the cell below', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '1[]1', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '11[]', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+				} );
+
+				describe( 'selection inside paragraph', () => {
+					const text = new Array( 20 ).fill( 0 ).map( () => 'word' ).join( ' ' );
+
+					it( 'should not navigate if caret is in the middle line of a text', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', text + '[] ' + text, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.notCalled( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.notCalled( upArrowDomEvtDataStub.stopPropagation );
+					} );
+
+					it( 'should move caret to beginning of cell content if caret is in the first line of a text', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', 'word[] word' + text, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', '[]word word' + text, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should move caret to end of cell content if caret is in the last line of a text', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', text + 'word[] word', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', text + 'word word[]', '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+				} );
+
+				if ( !env.isGecko ) {
+					// These tests fails on Travis. They work correctly when started on local machine.
+					// Issue is probably related to text rendering and wrapping.
+
+					describe( 'with selection in the wrap area', () => {
+						const text = new Array( 10 ).fill( 0 ).map( () => 'word' ).join( ' ' );
+
+						it( 'should move the caret to end if the caret is after the last space in the line next to the last one', () => {
+							// This is also first position in the last line.
+							setModelData( model, modelTable( [
+								[ '00', '01', '02' ],
+								[ '10', text + ' []word word word', '12' ],
+								[ '20', '21', '22' ]
+							] ) );
+
+							editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+							sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+							sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+							assertEqualMarkup( getModelData( model ), modelTable( [
+								[ '00', '01', '02' ],
+								[ '10', text + ' word word word[]', '12' ],
+								[ '20', '21', '22' ]
+							] ) );
+						} );
+
+						it( 'should move the caret to end if ther caret is at the last space in the line next to last one', () => {
+							setModelData( model, modelTable( [
+								[ '00', '01', '02' ],
+								[ '10', text + '[] word word word', '12' ],
+								[ '20', '21', '22' ]
+							] ) );
+
+							editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+							sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+							sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+							assertEqualMarkup( getModelData( model ), modelTable( [
+								[ '00', '01', '02' ],
+								[ '10', text + ' word word word[]', '12' ],
+								[ '20', '21', '22' ]
+							] ) );
+						} );
+
+						it( 'should not move the caret if it\'s just before the last space in the line next to last one', () => {
+							setModelData( model, modelTable( [
+								[ '00', '01', '02' ],
+								[ '10', text.substring( 0, text.length - 1 ) + '[]d word word word', '12' ],
+								[ '20', '21', '22' ]
+							] ) );
+
+							editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+							sinon.assert.notCalled( downArrowDomEvtDataStub.preventDefault );
+							sinon.assert.notCalled( downArrowDomEvtDataStub.stopPropagation );
+						} );
+					} );
+				}
+
+				describe( 'with multiple paragraphs of text', () => {
+					const text = new Array( 100 ).fill( 0 ).map( () => 'word' ).join( ' ' );
+
+					it( 'should not navigate if caret is in the middle of a line of text', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>${ text }[]${ text }</paragraph><paragraph>foobar</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.notCalled( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.notCalled( upArrowDomEvtDataStub.stopPropagation );
+					} );
+
+					it( 'should move the caret to the beginning of a cell content if the caret is in the first line of text', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>word[]${ text }</paragraph><paragraph>foobar</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>[]word${ text }</paragraph><paragraph>foobar</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should not move the caret to the end of a cell content if the caret is not in the last line of text', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>${ text }word []word</paragraph><paragraph>foobar</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.notCalled( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.notCalled( downArrowDomEvtDataStub.stopPropagation );
+					} );
+
+					it( 'should move the caret to end of a cell content if the caret is in the last line of text', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>foobar</paragraph><paragraph>${ text }word []word</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>foobar</paragraph><paragraph>${ text }word word[]</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+				} );
+
+				describe( 'with horizontal line widget', () => {
+					const text = new Array( 100 ).fill( 0 ).map( () => 'word' ).join( ' ' );
+
+					it( 'should not navigate if the caret is in the middle line of text', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<horizontalLine></horizontalLine><paragraph>${ text }[]${ text }</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.notCalled( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.notCalled( upArrowDomEvtDataStub.stopPropagation );
+					} );
+
+					it( 'should move the caret to the beginning of cell content if the caret is in the first line of text', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<horizontalLine></horizontalLine><paragraph>word[] ${ text }</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `[<horizontalLine></horizontalLine>]<paragraph>word ${ text }</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should move the caret to the end of cell content if the caret is in the last line of text', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>${ text } word []word</paragraph><horizontalLine></horizontalLine>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>${ text } word word</paragraph>[<horizontalLine></horizontalLine>]`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should not move the caret to the end of cell content if widget is selected in middle of a cell content', () => {
+						const paragraph = `<paragraph>${ text }</paragraph>`;
+						const hr = '<horizontalLine></horizontalLine>';
+
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `${ paragraph }[${ hr }]${ paragraph }${ hr }`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `${ paragraph }${ hr }<paragraph>[]${ text }</paragraph>${ hr }`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should not move the caret to the end of cell content if widget is next to the selection', () => {
+						const paragraph = `<paragraph>${ text }</paragraph>`;
+						const hr = '<horizontalLine></horizontalLine>';
+
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `${ paragraph }[]${ hr }`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `${ paragraph }[${ hr }]`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+				} );
+
+				describe( 'contains image widget with caption and selection inside the caption', () => {
+					it( 'should not navigate to the cell on the left', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>foo</paragraph><image src="${ imageUrl }"><caption>[]11</caption></image>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+						sinon.assert.notCalled( leftArrowDomEvtDataStub.preventDefault );
+						sinon.assert.notCalled( leftArrowDomEvtDataStub.stopPropagation );
+					} );
+
+					it( 'should not navigate to the cell on the right', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<image src="${ imageUrl }"><caption>11[]</caption></image><paragraph>foo</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+						sinon.assert.notCalled( rightArrowDomEvtDataStub.preventDefault );
+						sinon.assert.notCalled( rightArrowDomEvtDataStub.stopPropagation );
+					} );
+
+					it( 'should not navigate to the cell above', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>foo</paragraph><image src="${ imageUrl }"><caption>1[]1</caption></image>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.notCalled( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.notCalled( upArrowDomEvtDataStub.stopPropagation );
+					} );
+
+					it( 'should not navigate to the cell above but should select the image widget', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<image src="${ imageUrl }"><caption>1[]1</caption></image><paragraph>foo</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `[<image src="${ imageUrl }"><caption>11</caption></image>]<paragraph>foo</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should not navigate to the cell below when followed by a paragraph', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<image src="${ imageUrl }"><caption>1[]1</caption></image><paragraph>foo</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.notCalled( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.notCalled( downArrowDomEvtDataStub.stopPropagation );
+					} );
+
+					it( 'should not navigate to the cell below but should select the image widget', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>foo</paragraph><image src="${ imageUrl }"><caption>1[]1</caption></image>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>foo</paragraph>[<image src="${ imageUrl }"><caption>11</caption></image>]`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should not navigate to the cell above but should select the image widget without caption', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<image src="${ imageUrl }"><caption></caption></image><paragraph>f[]oo</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `[<image src="${ imageUrl }"><caption></caption></image>]<paragraph>foo</paragraph>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+
+					it( 'should not navigate to the cell below but should select the image widget without caption', () => {
+						setModelData( model, modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>f[]oo</paragraph><image src="${ imageUrl }"><caption></caption></image>`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+
+						editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+						sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+						assertEqualMarkup( getModelData( model ), modelTable( [
+							[ '00', '01', '02' ],
+							[ '10', `<paragraph>foo</paragraph>[<image src="${ imageUrl }"><caption></caption></image>]`, '12' ],
+							[ '20', '21', '22' ]
+						] ) );
+					} );
+				} );
+			} );
+		} );
+
+		describe( 'for right-to-left content language', () => {
+			beforeEach( () => {
+				return VirtualTestEditor
+					.create( {
+						plugins: [ TableEditing, TableNavigation, TableSelection, Paragraph, ImageEditing, MediaEmbedEditing ],
+						language: 'ar'
+					} )
+					.then( newEditor => {
+						editor = newEditor;
+
+						model = editor.model;
+						modelRoot = model.document.getRoot();
+						tableSelection = editor.plugins.get( TableSelection );
+					} );
+			} );
+
+			describe( 'with the table cell selected from outside', () => {
+				beforeEach( () => {
+					setModelData( model, modelTable( [
+						[ '00', '01', '02' ],
+						[ '10', '11', '12' ],
+						[ '20', '21', '22' ]
+					] ) );
+
+					tableSelection._setCellSelection(
+						modelRoot.getNodeByPath( [ 0, 1, 1 ] ),
+						modelRoot.getNodeByPath( [ 0, 1, 1 ] )
+					);
+				} );
+
+				it( 'should move to the cell on the right (visually flipped by the browser)', () => {
+					editor.editing.view.document.fire( 'keydown', leftArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( leftArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( leftArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02' ],
+						[ '10', '11', '[]12' ],
+						[ '20', '21', '22' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell on the left (visually flipped by the browser)', () => {
+					editor.editing.view.document.fire( 'keydown', rightArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( rightArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( rightArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02' ],
+						[ '10[]', '11', '12' ],
+						[ '20', '21', '22' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell above the selection', () => {
+					editor.editing.view.document.fire( 'keydown', upArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( upArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( upArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01[]', '02' ],
+						[ '10', '11', '12' ],
+						[ '20', '21', '22' ]
+					] ) );
+				} );
+
+				it( 'should move to the cell below the selection', () => {
+					editor.editing.view.document.fire( 'keydown', downArrowDomEvtDataStub );
+
+					sinon.assert.calledOnce( downArrowDomEvtDataStub.preventDefault );
+					sinon.assert.calledOnce( downArrowDomEvtDataStub.stopPropagation );
+
+					assertEqualMarkup( getModelData( model ), modelTable( [
+						[ '00', '01', '02' ],
+						[ '10', '11', '12' ],
+						[ '20', '[]21', '22' ]
+					] ) );
+				} );
+			} );
+		} );
+	} );
+} );