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* @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablewalker\n */\n\n// @if CK_DEBUG // import { CKEditorError } from 'ckeditor5/src/utils';\n\n/**\n * The table iterator class. It allows to iterate over table cells. For each cell the iterator yields\n * {@link module:table/tablewalker~TableSlot} with proper table cell attributes.\n */\nexport default class TableWalker {\n\t/**\n\t * Creates an instance of the table walker.\n\t *\n\t * The table walker iterates internally by traversing the table from row index = 0 and column index = 0.\n\t * It walks row by row and column by column in order to output values defined in the constructor.\n\t * By default it will output only the locations that are occupied by a cell. To include also spanned rows and columns,\n\t * pass the `includeAllSlots` option to the constructor.\n\t *\n\t * The most important values of the iterator are column and row indexes of a cell.\n\t *\n\t * See {@link module:table/tablewalker~TableSlot} what values are returned by the table walker.\n\t *\n\t * To iterate over a given row:\n\t *\n\t *\t\tconst tableWalker = new TableWalker( table, { startRow: 1, endRow: 2 } );\n\t *\n\t *\t\tfor ( const tableSlot of tableWalker ) {\n\t *\t\t\tconsole.log( 'A cell at row', tableSlot.row, 'and column', tableSlot.column );\n\t *\t\t}\n\t *\n\t * For instance the code above for the following table:\n\t *\n\t *\t\t+----+----+----+----+----+----+\n\t *\t\t| 00      | 02 | 03 | 04 | 05 |\n\t *\t\t|         +----+----+----+----+\n\t *\t\t|         | 12      | 14 | 15 |\n\t *\t\t|         +----+----+----+    +\n\t *\t\t|         | 22           |    |\n\t *\t\t|----+----+----+----+----+    +\n\t *\t\t| 30 | 31 | 32 | 33 | 34 |    |\n\t *\t\t+----+----+----+----+----+----+\n\t *\n\t * will log in the console:\n\t *\n\t *\t\t'A cell at row 1 and column 2'\n\t *\t\t'A cell at row 1 and column 4'\n\t *\t\t'A cell at row 1 and column 5'\n\t *\t\t'A cell at row 2 and column 2'\n\t *\n\t * To also iterate over spanned cells:\n\t *\n\t *\t\tconst tableWalker = new TableWalker( table, { row: 1, includeAllSlots: true } );\n\t *\n\t *\t\tfor ( const tableSlot of tableWalker ) {\n\t *\t\t\tconsole.log( 'Slot at', tableSlot.row, 'x', tableSlot.column, ':', tableSlot.isAnchor ? 'is anchored' : 'is spanned' );\n\t *\t\t}\n\t *\n\t * will log in the console for the table from the previous example:\n\t *\n\t *\t\t'Cell at 1 x 0 : is spanned'\n\t *\t\t'Cell at 1 x 1 : is spanned'\n\t *\t\t'Cell at 1 x 2 : is anchored'\n\t *\t\t'Cell at 1 x 3 : is spanned'\n\t *\t\t'Cell at 1 x 4 : is anchored'\n\t *\t\t'Cell at 1 x 5 : is anchored'\n\t *\n\t * **Note**: Option `row` is a shortcut that sets both `startRow` and `endRow` to the same row.\n\t * (Use either `row` or `startRow` and `endRow` but never together). Similarly the `column` option sets both `startColumn`\n\t * and `endColumn` to the same column (Use either `column` or `startColumn` and `endColumn` but never together).\n\t *\n\t * @constructor\n\t * @param {module:engine/model/element~Element} table A table over which the walker iterates.\n\t * @param {Object} [options={}] An object with configuration.\n\t * @param {Number} [options.row] A row index for which this iterator will output cells.\n\t * Can't be used together with `startRow` and `endRow`.\n\t * @param {Number} [options.startRow=0] A row index from which this iterator should start. Can't be used together with `row`.\n\t * @param {Number} [options.endRow] A row index at which this iterator should end. Can't be used together with `row`.\n\t * @param {Number} [options.column] A column index for which this iterator will output cells.\n\t * Can't be used together with `startColumn` and `endColumn`.\n\t * @param {Number} [options.startColumn=0] A column index from which this iterator should start. Can't be used together with `column`.\n\t * @param {Number} [options.endColumn] A column index at which this iterator should end. Can't be used together with `column`.\n\t * @param {Boolean} [options.includeAllSlots=false] Also return values for spanned cells.\n\t */\n\tconstructor( table, options = {} ) {\n\t\t/**\n\t\t * The walker's table element.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element}\n\t\t * @protected\n\t\t */\n\t\tthis._table = table;\n\n\t\t/**\n\t\t * A row index from which this iterator will start.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._startRow = options.row !== undefined ? options.row : options.startRow || 0;\n\n\t\t/**\n\t\t * A row index at which this iterator will end.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._endRow = options.row !== undefined ? options.row : options.endRow;\n\n\t\t/**\n\t\t * If set, the table walker will only output cells from a given column and following ones or cells that overlap them.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._startColumn = options.column !== undefined ? options.column : options.startColumn || 0;\n\n\t\t/**\n\t\t * If set, the table walker will only output cells up to a given column.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._endColumn = options.column !== undefined ? options.column : options.endColumn;\n\n\t\t/**\n\t\t * Enables output of spanned cells that are normally not yielded.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean}\n\t\t * @private\n\t\t */\n\t\tthis._includeAllSlots = !!options.includeAllSlots;\n\n\t\t/**\n\t\t * Row indexes to skip from the iteration.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Set<Number>}\n\t\t * @private\n\t\t */\n\t\tthis._skipRows = new Set();\n\n\t\t/**\n\t\t * The current row index.\n\t\t *\n\t\t * @member {Number}\n\t\t * @protected\n\t\t */\n\t\tthis._row = 0;\n\n\t\t/**\n\t\t * The index of the current row element in the table.\n\t\t *\n\t\t * @type {Number}\n\t\t * @protected\n\t\t */\n\t\tthis._rowIndex = 0;\n\n\t\t/**\n\t\t * The current column index.\n\t\t *\n\t\t * @member {Number}\n\t\t * @protected\n\t\t */\n\t\tthis._column = 0;\n\n\t\t/**\n\t\t * The cell index in a parent row. For spanned cells when {@link #_includeAllSlots} is set to `true`,\n\t\t * this represents the index of the next table cell.\n\t\t *\n\t\t * @member {Number}\n\t\t * @protected\n\t\t */\n\t\tthis._cellIndex = 0;\n\n\t\t/**\n\t\t * Holds a map of spanned cells in a table.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Map.<Number, Map.<Number, Object>>}\n\t\t * @private\n\t\t */\n\t\tthis._spannedCells = new Map();\n\n\t\t/**\n\t\t * Index of the next column where a cell is anchored.\n\t\t *\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._nextCellAtColumn = -1;\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * @returns {Iterable.<module:table/tablewalker~TableSlot>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this;\n\t}\n\n\t/**\n\t * Gets the next table walker's value.\n\t *\n\t * @returns {module:table/tablewalker~TableSlot} The next table walker's value.\n\t */\n\tnext() {\n\t\tconst row = this._table.getChild( this._rowIndex );\n\n\t\t// Iterator is done when there's no row (table ended) or the row is after `endRow` limit.\n\t\tif ( !row || this._isOverEndRow() ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// We step over current element when it is not a tableRow instance.\n\t\tif ( !row.is( 'element', 'tableRow' ) ) {\n\t\t\tthis._rowIndex++;\n\n\t\t\treturn this.next();\n\t\t}\n\n\t\tif ( this._isOverEndColumn() ) {\n\t\t\treturn this._advanceToNextRow();\n\t\t}\n\n\t\tlet outValue = null;\n\n\t\tconst spanData = this._getSpanned();\n\n\t\tif ( spanData ) {\n\t\t\tif ( this._includeAllSlots && !this._shouldSkipSlot() ) {\n\t\t\t\toutValue = this._formatOutValue( spanData.cell, spanData.row, spanData.column );\n\t\t\t}\n\t\t} else {\n\t\t\tconst cell = row.getChild( this._cellIndex );\n\n\t\t\tif ( !cell ) {\n\t\t\t\t// If there are no more cells left in row advance to the next row.\n\t\t\t\treturn this._advanceToNextRow();\n\t\t\t}\n\n\t\t\tconst colspan = parseInt( cell.getAttribute( 'colspan' ) || 1 );\n\t\t\tconst rowspan = parseInt( cell.getAttribute( 'rowspan' ) || 1 );\n\n\t\t\t// Record this cell spans if it's not 1x1 cell.\n\t\t\tif ( colspan > 1 || rowspan > 1 ) {\n\t\t\t\tthis._recordSpans( cell, rowspan, colspan );\n\t\t\t}\n\n\t\t\tif ( !this._shouldSkipSlot() ) {\n\t\t\t\toutValue = this._formatOutValue( cell );\n\t\t\t}\n\n\t\t\tthis._nextCellAtColumn = this._column + colspan;\n\t\t}\n\n\t\t// Advance to the next column before returning value.\n\t\tthis._column++;\n\n\t\tif ( this._column == this._nextCellAtColumn ) {\n\t\t\tthis._cellIndex++;\n\t\t}\n\n\t\t// The current value will be returned only if current row and column are not skipped.\n\t\treturn outValue || this.next();\n\t}\n\n\t/**\n\t * Marks a row to skip in the next iteration. It will also skip cells from the current row if there are any cells from the current row\n\t * to output.\n\t *\n\t * @param {Number} row The row index to skip.\n\t */\n\tskipRow( row ) {\n\t\tthis._skipRows.add( row );\n\t}\n\n\t/**\n\t * Advances internal cursor to the next row.\n\t *\n\t * @private\n\t * @returns {module:table/tablewalker~TableSlot}\n\t */\n\t_advanceToNextRow() {\n\t\tthis._row++;\n\t\tthis._rowIndex++;\n\t\tthis._column = 0;\n\t\tthis._cellIndex = 0;\n\t\tthis._nextCellAtColumn = -1;\n\n\t\treturn this.next();\n\t}\n\n\t/**\n\t * Checks if the current row is over {@link #_endRow}.\n\t *\n\t * @private\n\t * @returns {Boolean}\n\t */\n\t_isOverEndRow() {\n\t\t// If #_endRow is defined skip all rows after it.\n\t\treturn this._endRow !== undefined && this._row > this._endRow;\n\t}\n\n\t/**\n\t * Checks if the current cell is over {@link #_endColumn}\n\t *\n\t * @private\n\t * @returns {Boolean}\n\t */\n\t_isOverEndColumn() {\n\t\t// If #_endColumn is defined skip all cells after it.\n\t\treturn this._endColumn !== undefined && this._column > this._endColumn;\n\t}\n\n\t/**\n\t * A common method for formatting the iterator's output value.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} cell The table cell to output.\n\t * @param {Number} [anchorRow] The row index of a cell anchor slot.\n\t * @param {Number} [anchorColumn] The column index of a cell anchor slot.\n\t * @returns {{done: Boolean, value: {cell: *, row: Number, column: *, rowspan: *, colspan: *, cellIndex: Number}}}\n\t */\n\t_formatOutValue( cell, anchorRow = this._row, anchorColumn = this._column ) {\n\t\treturn {\n\t\t\tdone: false,\n\t\t\tvalue: new TableSlot( this, cell, anchorRow, anchorColumn )\n\t\t};\n\t}\n\n\t/**\n\t * Checks if the current slot should be skipped.\n\t *\n\t * @private\n\t * @returns {Boolean}\n\t */\n\t_shouldSkipSlot() {\n\t\tconst rowIsMarkedAsSkipped = this._skipRows.has( this._row );\n\t\tconst rowIsBeforeStartRow = this._row < this._startRow;\n\n\t\tconst columnIsBeforeStartColumn = this._column < this._startColumn;\n\t\tconst columnIsAfterEndColumn = this._endColumn !== undefined && this._column > this._endColumn;\n\n\t\treturn rowIsMarkedAsSkipped || rowIsBeforeStartRow || columnIsBeforeStartColumn || columnIsAfterEndColumn;\n\t}\n\n\t/**\n\t * Returns the cell element that is spanned over the current cell location.\n\t *\n\t * @private\n\t * @returns {module:engine/model/element~Element}\n\t */\n\t_getSpanned() {\n\t\tconst rowMap = this._spannedCells.get( this._row );\n\n\t\t// No spans for given row.\n\t\tif ( !rowMap ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// If spans for given rows has entry for column it means that this location if spanned by other cell.\n\t\treturn rowMap.get( this._column ) || null;\n\t}\n\n\t/**\n\t * Updates spanned cells map relative to the current cell location and its span dimensions.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} cell A cell that is spanned.\n\t * @param {Number} rowspan Cell height.\n\t * @param {Number} colspan Cell width.\n\t */\n\t_recordSpans( cell, rowspan, colspan ) {\n\t\tconst data = {\n\t\t\tcell,\n\t\t\trow: this._row,\n\t\t\tcolumn: this._column\n\t\t};\n\n\t\tfor ( let rowToUpdate = this._row; rowToUpdate < this._row + rowspan; rowToUpdate++ ) {\n\t\t\tfor ( let columnToUpdate = this._column; columnToUpdate < this._column + colspan; columnToUpdate++ ) {\n\t\t\t\tif ( rowToUpdate != this._row || columnToUpdate != this._column ) {\n\t\t\t\t\tthis._markSpannedCell( rowToUpdate, columnToUpdate, data );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Marks the cell location as spanned by another cell.\n\t *\n\t * @private\n\t * @param {Number} row The row index of the cell location.\n\t * @param {Number} column The column index of the cell location.\n\t * @param {Object} data A spanned cell details (cell element, anchor row and column).\n\t */\n\t_markSpannedCell( row, column, data ) {\n\t\tif ( !this._spannedCells.has( row ) ) {\n\t\t\tthis._spannedCells.set( row, new Map() );\n\t\t}\n\n\t\tconst rowSpans = this._spannedCells.get( row );\n\n\t\trowSpans.set( column, data );\n\t}\n}\n\n/**\n * An object returned by {@link module:table/tablewalker~TableWalker} when traversing table cells.\n */\nclass TableSlot {\n\t/**\n\t * Creates an instance of the table walker value.\n\t *\n\t * @protected\n\t * @param {module:table/tablewalker~TableWalker} tableWalker The table walker instance.\n\t * @param {module:engine/model/element~Element} cell The current table cell.\n\t * @param {Number} anchorRow The row index of a cell anchor slot.\n\t * @param {Number} anchorColumn The column index of a cell anchor slot.\n\t */\n\tconstructor( tableWalker, cell, anchorRow, anchorColumn ) {\n\t\t/**\n\t\t * The current table cell.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element}\n\t\t */\n\t\tthis.cell = cell;\n\n\t\t/**\n\t\t * The row index of a table slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.row = tableWalker._row;\n\n\t\t/**\n\t\t * The column index of a table slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.column = tableWalker._column;\n\n\t\t/**\n\t\t * The row index of a cell anchor slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.cellAnchorRow = anchorRow;\n\n\t\t/**\n\t\t * The column index of a cell anchor slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.cellAnchorColumn = anchorColumn;\n\n\t\t/**\n\t\t * The index of the current cell in the parent row.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._cellIndex = tableWalker._cellIndex;\n\n\t\t/**\n\t\t * The index of the current row element in the table.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._rowIndex = tableWalker._rowIndex;\n\n\t\t/**\n\t\t * The table element.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element}\n\t\t * @private\n\t\t */\n\t\tthis._table = tableWalker._table;\n\t}\n\n\t/**\n\t * Whether the cell is anchored in the current slot.\n\t *\n\t * @readonly\n\t * @returns {Boolean}\n\t */\n\tget isAnchor() {\n\t\treturn this.row === this.cellAnchorRow && this.column === this.cellAnchorColumn;\n\t}\n\n\t/**\n\t * The width of a cell defined by a `colspan` attribute. If the model attribute is not present, it is set to `1`.\n\t *\n\t * @readonly\n\t * @returns {Number}\n\t */\n\tget cellWidth() {\n\t\treturn parseInt( this.cell.getAttribute( 'colspan' ) || 1 );\n\t}\n\n\t/**\n\t * The height of a cell defined by a `rowspan` attribute. If the model attribute is not present, it is set to `1`.\n\t *\n\t * @readonly\n\t * @returns {Number}\n\t */\n\tget cellHeight() {\n\t\treturn parseInt( this.cell.getAttribute( 'rowspan' ) || 1 );\n\t}\n\n\t/**\n\t * The index of the current row element in the table.\n\t *\n\t * @readonly\n\t * @returns {Number}\n\t */\n\tget rowIndex() {\n\t\treturn this._rowIndex;\n\t}\n\n\t/**\n\t * Returns the {@link module:engine/model/position~Position} before the table slot.\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tgetPositionBefore() {\n\t\tconst model = this._table.root.document.model;\n\n\t\treturn model.createPositionAt( this._table.getChild( this.row ), this._cellIndex );\n\t}\n\n\t// @if CK_DEBUG // get isSpanned() { throwMissingGetterError( 'isSpanned' ); }\n\t// @if CK_DEBUG // get colspan() { throwMissingGetterError( 'colspan' ); }\n\t// @if CK_DEBUG // get rowspan() { throwMissingGetterError( 'rowspan' ); }\n\t// @if CK_DEBUG // get cellIndex() { throwMissingGetterError( 'cellIndex' ); }\n}\n\n/**\n * This `TableSlot`'s getter (property) was removed in CKEditor 5 v20.0.0.\n *\n * Check out the new `TableWalker`'s API in the documentation.\n *\n * @error tableslot-getter-removed\n * @param {String} getterName\n */\n\n// @if CK_DEBUG // function throwMissingGetterError( getterName ) {\n// @if CK_DEBUG //\t\tthrow new CKEditorError( 'tableslot-getter-removed', this, {\n// @if CK_DEBUG //\t\t\tgetterName\n// @if CK_DEBUG //\t\t} );\n// @if CK_DEBUG // }\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/ui/inserttableview\n */\n\nimport { View } from 'ckeditor5/src/ui';\n\nimport './../../theme/inserttable.css';\n\n/**\n * The table size view.\n *\n * It renders a 10x10 grid to choose the inserted table size.\n *\n * @extends module:ui/view~View\n * @implements module:ui/dropdown/dropdownpanelfocusable~DropdownPanelFocusable\n */\nexport default class InsertTableView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * A collection of table size box items.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.items = this._createGridCollection();\n\n\t\t/**\n\t\t * The currently selected number of rows of the new table.\n\t\t *\n\t\t * @observable\n\t\t * @member {Number} #rows\n\t\t */\n\t\tthis.set( 'rows', 0 );\n\n\t\t/**\n\t\t * The currently selected number of columns of the new table.\n\t\t *\n\t\t * @observable\n\t\t * @member {Number} #columns\n\t\t */\n\t\tthis.set( 'columns', 0 );\n\n\t\t/**\n\t\t * The label text displayed under the boxes.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #label\n\t\t */\n\t\tthis.bind( 'label' )\n\t\t\t.to( this, 'columns', this, 'rows', ( columns, rows ) => `${ rows } × ${ columns }` );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [ 'ck' ]\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [ 'ck-insert-table-dropdown__grid' ]\n\t\t\t\t\t},\n\t\t\t\t\ton: {\n\t\t\t\t\t\t'mouseover@.ck-insert-table-dropdown-grid-box': bind.to( 'boxover' )\n\t\t\t\t\t},\n\t\t\t\t\tchildren: this.items\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [ 'ck-insert-table-dropdown__label' ]\n\t\t\t\t\t},\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\ttext: bind.to( 'label' )\n\t\t\t\t\t\t}\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t],\n\n\t\t\ton: {\n\t\t\t\tmousedown: bind.to( evt => {\n\t\t\t\t\tevt.preventDefault();\n\t\t\t\t} ),\n\n\t\t\t\tclick: bind.to( () => {\n\t\t\t\t\tthis.fire( 'execute' );\n\t\t\t\t} )\n\t\t\t}\n\t\t} );\n\n\t\tthis.on( 'boxover', ( evt, domEvt ) => {\n\t\t\tconst { row, column } = domEvt.target.dataset;\n\n\t\t\t// As row & column indexes are zero-based transform it to number of selected rows & columns.\n\t\t\tthis.set( {\n\t\t\t\trows: parseInt( row ),\n\t\t\t\tcolumns: parseInt( column )\n\t\t\t} );\n\t\t} );\n\n\t\tthis.on( 'change:columns', () => {\n\t\t\tthis._highlightGridBoxes();\n\t\t} );\n\n\t\tthis.on( 'change:rows', () => {\n\t\t\tthis._highlightGridBoxes();\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tfocus() {\n\t\t// The dropdown panel expects DropdownPanelFocusable interface on views passed to dropdown panel. See #30.\n\t\t// The method should be implemented while working on keyboard support for this view. See #22.\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tfocusLast() {\n\t\t// The dropdown panel expects DropdownPanelFocusable interface on views passed to dropdown panel. See #30.\n\t\t// The method should be implemented while working on keyboard support for this view. See #22.\n\t}\n\n\t/**\n\t * Highlights grid boxes depending on rows and columns selected.\n\t *\n\t * @private\n\t */\n\t_highlightGridBoxes() {\n\t\tconst rows = this.rows;\n\t\tconst columns = this.columns;\n\n\t\tthis.items.map( ( boxView, index ) => {\n\t\t\t// Translate box index to the row & column index.\n\t\t\tconst itemRow = Math.floor( index / 10 );\n\t\t\tconst itemColumn = index % 10;\n\n\t\t\t// Grid box is highlighted when its row & column index belongs to selected number of rows & columns.\n\t\t\tconst isOn = itemRow < rows && itemColumn < columns;\n\n\t\t\tboxView.set( 'isOn', isOn );\n\t\t} );\n\t}\n\n\t/**\n\t * @private\n\t * @returns {module:ui/viewcollection~ViewCollection} A view collection containing boxes to be placed in a table grid.\n\t */\n\t_createGridCollection() {\n\t\tconst boxes = [];\n\n\t\t// Add grid boxes to table selection view.\n\t\tfor ( let index = 0; index < 100; index++ ) {\n\t\t\tconst row = Math.floor( index / 10 );\n\t\t\tconst column = index % 10;\n\n\t\t\tboxes.push( new TableSizeGridBoxView( this.locale, row + 1, column + 1 ) );\n\t\t}\n\n\t\treturn this.createCollection( boxes );\n\t}\n\n\t/**\n\t * Fired when the mouse hover over one of the {@link #items child grid boxes}.\n\t *\n\t * @event boxover\n\t */\n}\n\n/**\n * A single grid box view element.\n *\n * This class is used to render the table size selection grid in {@link module:table/ui/inserttableview~InsertTableView}.\n *\n * @private\n */\nclass TableSizeGridBoxView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale, row, column ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * Controls whether the grid box view is \"on\".\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isOn\n\t\t */\n\t\tthis.set( 'isOn', false );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-insert-table-dropdown-grid-box',\n\t\t\t\t\tbind.if( 'isOn', 'ck-on' )\n\t\t\t\t],\n\t\t\t\t'data-row': row,\n\t\t\t\t'data-column': column\n\t\t\t}\n\t\t} );\n\t}\n}\n"],"sourceRoot":""}