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import $ from 'jquery'; import dom from '../core/dom'; import range from '../core/range'; import lists from '../core/lists'; /** * @class Create a virtual table to create what actions to do in change. * @param {object} startPoint Cell selected to apply change. * @param {enum} where Where change will be applied Row or Col. Use enum: TableResultAction.where * @param {enum} action Action to be applied. Use enum: TableResultAction.requestAction * @param {object} domTable Dom element of table to make changes. */ const TableResultAction = function(startPoint, where, action, domTable) { const _startPoint = { 'colPos': 0, 'rowPos': 0 }; const _virtualTable = []; const _actionCellList = []; /// /////////////////////////////////////////// // Private functions /// /////////////////////////////////////////// /** * Set the startPoint of action. */ function setStartPoint() { if (!startPoint || !startPoint.tagName || (startPoint.tagName.toLowerCase() !== 'td' && startPoint.tagName.toLowerCase() !== 'th')) { console.error('Impossible to identify start Cell point.', startPoint); return; } _startPoint.colPos = startPoint.cellIndex; if (!startPoint.parentElement || !startPoint.parentElement.tagName || startPoint.parentElement.tagName.toLowerCase() !== 'tr') { console.error('Impossible to identify start Row point.', startPoint); return; } _startPoint.rowPos = startPoint.parentElement.rowIndex; } /** * Define virtual table position info object. * * @param {int} rowIndex Index position in line of virtual table. * @param {int} cellIndex Index position in column of virtual table. * @param {object} baseRow Row affected by this position. * @param {object} baseCell Cell affected by this position. * @param {bool} isSpan Inform if it is an span cell/row. */ function setVirtualTablePosition(rowIndex, cellIndex, baseRow, baseCell, isRowSpan, isColSpan, isVirtualCell) { const objPosition = { 'baseRow': baseRow, 'baseCell': baseCell, 'isRowSpan': isRowSpan, 'isColSpan': isColSpan, 'isVirtual': isVirtualCell }; if (!_virtualTable[rowIndex]) { _virtualTable[rowIndex] = []; } _virtualTable[rowIndex][cellIndex] = objPosition; } /** * Create action cell object. * * @param {object} virtualTableCellObj Object of specific position on virtual table. * @param {enum} resultAction Action to be applied in that item. */ function getActionCell(virtualTableCellObj, resultAction, virtualRowPosition, virtualColPosition) { return { 'baseCell': virtualTableCellObj.baseCell, 'action': resultAction, 'virtualTable': { 'rowIndex': virtualRowPosition, 'cellIndex': virtualColPosition } }; } /** * Recover free index of row to append Cell. * * @param {int} rowIndex Index of row to find free space. * @param {int} cellIndex Index of cell to find free space in table. */ function recoverCellIndex(rowIndex, cellIndex) { if (!_virtualTable[rowIndex]) { return cellIndex; } if (!_virtualTable[rowIndex][cellIndex]) { return cellIndex; } let newCellIndex = cellIndex; while (_virtualTable[rowIndex][newCellIndex]) { newCellIndex++; if (!_virtualTable[rowIndex][newCellIndex]) { return newCellIndex; } } } /** * Recover info about row and cell and add information to virtual table. * * @param {object} row Row to recover information. * @param {object} cell Cell to recover information. */ function addCellInfoToVirtual(row, cell) { const cellIndex = recoverCellIndex(row.rowIndex, cell.cellIndex); const cellHasColspan = (cell.colSpan > 1); const cellHasRowspan = (cell.rowSpan > 1); const isThisSelectedCell = (row.rowIndex === _startPoint.rowPos && cell.cellIndex === _startPoint.colPos); setVirtualTablePosition(row.rowIndex, cellIndex, row, cell, cellHasRowspan, cellHasColspan, false); // Add span rows to virtual Table. const rowspanNumber = cell.attributes.rowSpan ? parseInt(cell.attributes.rowSpan.value, 10) : 0; if (rowspanNumber > 1) { for (let rp = 1; rp < rowspanNumber; rp++) { const rowspanIndex = row.rowIndex + rp; adjustStartPoint(rowspanIndex, cellIndex, cell, isThisSelectedCell); setVirtualTablePosition(rowspanIndex, cellIndex, row, cell, true, cellHasColspan, true); } } // Add span cols to virtual table. const colspanNumber = cell.attributes.colSpan ? parseInt(cell.attributes.colSpan.value, 10) : 0; if (colspanNumber > 1) { for (let cp = 1; cp < colspanNumber; cp++) { const cellspanIndex = recoverCellIndex(row.rowIndex, (cellIndex + cp)); adjustStartPoint(row.rowIndex, cellspanIndex, cell, isThisSelectedCell); setVirtualTablePosition(row.rowIndex, cellspanIndex, row, cell, cellHasRowspan, true, true); } } } /** * Process validation and adjust of start point if needed * * @param {int} rowIndex * @param {int} cellIndex * @param {object} cell * @param {bool} isSelectedCell */ function adjustStartPoint(rowIndex, cellIndex, cell, isSelectedCell) { if (rowIndex === _startPoint.rowPos && _startPoint.colPos >= cell.cellIndex && cell.cellIndex <= cellIndex && !isSelectedCell) { _startPoint.colPos++; } } /** * Create virtual table of cells with all cells, including span cells. */ function createVirtualTable() { const rows = domTable.rows; for (let rowIndex = 0; rowIndex < rows.length; rowIndex++) { const cells = rows[rowIndex].cells; for (let cellIndex = 0; cellIndex < cells.length; cellIndex++) { addCellInfoToVirtual(rows[rowIndex], cells[cellIndex]); } } } /** * Get action to be applied on the cell. * * @param {object} cell virtual table cell to apply action */ function getDeleteResultActionToCell(cell) { switch (where) { case TableResultAction.where.Column: if (cell.isColSpan) { return TableResultAction.resultAction.SubtractSpanCount; } break; case TableResultAction.where.Row: if (!cell.isVirtual && cell.isRowSpan) { return TableResultAction.resultAction.AddCell; } else if (cell.isRowSpan) { return TableResultAction.resultAction.SubtractSpanCount; } break; } return TableResultAction.resultAction.RemoveCell; } /** * Get action to be applied on the cell. * * @param {object} cell virtual table cell to apply action */ function getAddResultActionToCell(cell) { switch (where) { case TableResultAction.where.Column: if (cell.isColSpan) { return TableResultAction.resultAction.SumSpanCount; } else if (cell.isRowSpan && cell.isVirtual) { return TableResultAction.resultAction.Ignore; } break; case TableResultAction.where.Row: if (cell.isRowSpan) { return TableResultAction.resultAction.SumSpanCount; } else if (cell.isColSpan && cell.isVirtual) { return TableResultAction.resultAction.Ignore; } break; } return TableResultAction.resultAction.AddCell; } function init() { setStartPoint(); createVirtualTable(); } /// /////////////////////////////////////////// // Public functions /// /////////////////////////////////////////// /** * Recover array os what to do in table. */ this.getActionList = function() { const fixedRow = (where === TableResultAction.where.Row) ? _startPoint.rowPos : -1; const fixedCol = (where === TableResultAction.where.Column) ? _startPoint.colPos : -1; let actualPosition = 0; let canContinue = true; while (canContinue) { const rowPosition = (fixedRow >= 0) ? fixedRow : actualPosition; const colPosition = (fixedCol >= 0) ? fixedCol : actualPosition; const row = _virtualTable[rowPosition]; if (!row) { canContinue = false; return _actionCellList; } const cell = row[colPosition]; if (!cell) { canContinue = false; return _actionCellList; } // Define action to be applied in this cell let resultAction = TableResultAction.resultAction.Ignore; switch (action) { case TableResultAction.requestAction.Add: resultAction = getAddResultActionToCell(cell); break; case TableResultAction.requestAction.Delete: resultAction = getDeleteResultActionToCell(cell); break; } _actionCellList.push(getActionCell(cell, resultAction, rowPosition, colPosition)); actualPosition++; } return _actionCellList; }; init(); }; /** * * Where action occours enum. */ TableResultAction.where = { 'Row': 0, 'Column': 1 }; /** * * Requested action to apply enum. */ TableResultAction.requestAction = { 'Add': 0, 'Delete': 1 }; /** * * Result action to be executed enum. */ TableResultAction.resultAction = { 'Ignore': 0, 'SubtractSpanCount': 1, 'RemoveCell': 2, 'AddCell': 3, 'SumSpanCount': 4 }; /** * * @class editing.Table * * Table * */ export default class Table { /** * handle tab key * * @param {WrappedRange} rng * @param {Boolean} isShift */ tab(rng, isShift) { const cell = dom.ancestor(rng.commonAncestor(), dom.isCell); const table = dom.ancestor(cell, dom.isTable); const cells = dom.listDescendant(table, dom.isCell); const nextCell = lists[isShift ? 'prev' : 'next'](cells, cell); if (nextCell) { range.create(nextCell, 0).select(); } } /** * Add a new row * * @param {WrappedRange} rng * @param {String} position (top/bottom) * @return {Node} */ addRow(rng, position) { const cell = dom.ancestor(rng.commonAncestor(), dom.isCell); const currentTr = $(cell).closest('tr'); const trAttributes = this.recoverAttributes(currentTr); const html = $('<tr' + trAttributes + '></tr>'); const vTable = new TableResultAction(cell, TableResultAction.where.Row, TableResultAction.requestAction.Add, $(currentTr).closest('table')[0]); const actions = vTable.getActionList(); for (let idCell = 0; idCell < actions.length; idCell++) { const currentCell = actions[idCell]; const tdAttributes = this.recoverAttributes(currentCell.baseCell); switch (currentCell.action) { case TableResultAction.resultAction.AddCell: html.append('<td' + tdAttributes + '>' + dom.blank + '</td>'); break; case TableResultAction.resultAction.SumSpanCount: if (position === 'top') { const baseCellTr = currentCell.baseCell.parent; const isTopFromRowSpan = (!baseCellTr ? 0 : currentCell.baseCell.closest('tr').rowIndex) <= currentTr[0].rowIndex; if (isTopFromRowSpan) { const newTd = $('<div></div>').append($('<td' + tdAttributes + '>' + dom.blank + '</td>').removeAttr('rowspan')).html(); html.append(newTd); break; } } let rowspanNumber = parseInt(currentCell.baseCell.rowSpan, 10); rowspanNumber++; currentCell.baseCell.setAttribute('rowSpan', rowspanNumber); break; } } if (position === 'top') { currentTr.before(html); } else { const cellHasRowspan = (cell.rowSpan > 1); if (cellHasRowspan) { const lastTrIndex = currentTr[0].rowIndex + (cell.rowSpan - 2); $($(currentTr).parent().find('tr')[lastTrIndex]).after($(html)); return; } currentTr.after(html); } } /** * Add a new col * * @param {WrappedRange} rng * @param {String} position (left/right) * @return {Node} */ addCol(rng, position) { const cell = dom.ancestor(rng.commonAncestor(), dom.isCell); const row = $(cell).closest('tr'); const rowsGroup = $(row).siblings(); rowsGroup.push(row); const vTable = new TableResultAction(cell, TableResultAction.where.Column, TableResultAction.requestAction.Add, $(row).closest('table')[0]); const actions = vTable.getActionList(); for (let actionIndex = 0; actionIndex < actions.length; actionIndex++) { const currentCell = actions[actionIndex]; const tdAttributes = this.recoverAttributes(currentCell.baseCell); switch (currentCell.action) { case TableResultAction.resultAction.AddCell: if (position === 'right') { $(currentCell.baseCell).after('<td' + tdAttributes + '>' + dom.blank + '</td>'); } else { $(currentCell.baseCell).before('<td' + tdAttributes + '>' + dom.blank + '</td>'); } break; case TableResultAction.resultAction.SumSpanCount: if (position === 'right') { let colspanNumber = parseInt(currentCell.baseCell.colSpan, 10); colspanNumber++; currentCell.baseCell.setAttribute('colSpan', colspanNumber); } else { $(currentCell.baseCell).before('<td' + tdAttributes + '>' + dom.blank + '</td>'); } break; } } } /* * Copy attributes from element. * * @param {object} Element to recover attributes. * @return {string} Copied string elements. */ recoverAttributes(el) { let resultStr = ''; if (!el) { return resultStr; } const attrList = el.attributes || []; for (let i = 0; i < attrList.length; i++) { if (attrList[i].name.toLowerCase() === 'id') { continue; } if (attrList[i].specified) { resultStr += ' ' + attrList[i].name + '=\'' + attrList[i].value + '\''; } } return resultStr; } /** * Delete current row * * @param {WrappedRange} rng * @return {Node} */ deleteRow(rng) { const cell = dom.ancestor(rng.commonAncestor(), dom.isCell); const row = $(cell).closest('tr'); const cellPos = row.children('td, th').index($(cell)); const rowPos = row[0].rowIndex; const vTable = new TableResultAction(cell, TableResultAction.where.Row, TableResultAction.requestAction.Delete, $(row).closest('table')[0]); const actions = vTable.getActionList(); for (let actionIndex = 0; actionIndex < actions.length; actionIndex++) { if (!actions[actionIndex]) { continue; } const baseCell = actions[actionIndex].baseCell; const virtualPosition = actions[actionIndex].virtualTable; const hasRowspan = (baseCell.rowSpan && baseCell.rowSpan > 1); let rowspanNumber = (hasRowspan) ? parseInt(baseCell.rowSpan, 10) : 0; switch (actions[actionIndex].action) { case TableResultAction.resultAction.Ignore: continue; case TableResultAction.resultAction.AddCell: const nextRow = row.next('tr')[0]; if (!nextRow) { continue; } const cloneRow = row[0].cells[cellPos]; if (hasRowspan) { if (rowspanNumber > 2) { rowspanNumber--; nextRow.insertBefore(cloneRow, nextRow.cells[cellPos]); nextRow.cells[cellPos].setAttribute('rowSpan', rowspanNumber); nextRow.cells[cellPos].innerHTML = ''; } else if (rowspanNumber === 2) { nextRow.insertBefore(cloneRow, nextRow.cells[cellPos]); nextRow.cells[cellPos].removeAttribute('rowSpan'); nextRow.cells[cellPos].innerHTML = ''; } } continue; case TableResultAction.resultAction.SubtractSpanCount: if (hasRowspan) { if (rowspanNumber > 2) { rowspanNumber--; baseCell.setAttribute('rowSpan', rowspanNumber); if (virtualPosition.rowIndex !== rowPos && baseCell.cellIndex === cellPos) { baseCell.innerHTML = ''; } } else if (rowspanNumber === 2) { baseCell.removeAttribute('rowSpan'); if (virtualPosition.rowIndex !== rowPos && baseCell.cellIndex === cellPos) { baseCell.innerHTML = ''; } } } continue; case TableResultAction.resultAction.RemoveCell: // Do not need remove cell because row will be deleted. continue; } } row.remove(); } /** * Delete current col * * @param {WrappedRange} rng * @return {Node} */ deleteCol(rng) { const cell = dom.ancestor(rng.commonAncestor(), dom.isCell); const row = $(cell).closest('tr'); const cellPos = row.children('td, th').index($(cell)); const vTable = new TableResultAction(cell, TableResultAction.where.Column, TableResultAction.requestAction.Delete, $(row).closest('table')[0]); const actions = vTable.getActionList(); for (let actionIndex = 0; actionIndex < actions.length; actionIndex++) { if (!actions[actionIndex]) { continue; } switch (actions[actionIndex].action) { case TableResultAction.resultAction.Ignore: continue; case TableResultAction.resultAction.SubtractSpanCount: const baseCell = actions[actionIndex].baseCell; const hasColspan = (baseCell.colSpan && baseCell.colSpan > 1); if (hasColspan) { let colspanNumber = (baseCell.colSpan) ? 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