| /******************************************************************************* |
| * Copyright (c) 2012, 2020 Original authors and others. |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Original authors and others - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.nebula.widgets.nattable.data.validate; |
| |
| import org.eclipse.nebula.widgets.nattable.config.IConfigRegistry; |
| import org.eclipse.nebula.widgets.nattable.data.IDataProvider; |
| import org.eclipse.nebula.widgets.nattable.data.convert.IDisplayConverter; |
| import org.eclipse.nebula.widgets.nattable.edit.editor.TextCellEditor; |
| import org.eclipse.nebula.widgets.nattable.layer.cell.ILayerCell; |
| |
| public interface IDataValidator { |
| |
| /** |
| * |
| * @param columnIndex |
| * Index of the column being validated |
| * @param rowIndex |
| * Index of the row being validated |
| * @param newValue |
| * Value entered through the edit control text box, combo box |
| * etc. Note: In case of the {@link TextCellEditor} the text |
| * typed in by the user will be converted to the canonical value |
| * using the {@link IDisplayConverter} before it hits this method |
| * |
| * @see IDataProvider#getDataValue(int, int) |
| * |
| * @return true is newValue is valid. False otherwise. |
| */ |
| public boolean validate(int columnIndex, int rowIndex, Object newValue); |
| |
| /** |
| * |
| * @param cell |
| * LayerCell which should be validated |
| * @param configRegistry |
| * @param newValue |
| * Value entered through the edit control text box, combo box |
| * etc. Note: In case of the {@link TextCellEditor} the text |
| * typed in by the user will be converted to the canonical value |
| * using the {@link IDisplayConverter} before it hits this method |
| * |
| * @see IDataProvider#getDataValue(int, int) |
| * |
| * @return true is newValue is valid. False otherwise. |
| */ |
| public boolean validate(ILayerCell cell, IConfigRegistry configRegistry, |
| Object newValue); |
| |
| public static final IDataValidator ALWAYS_VALID = new IDataValidator() { |
| |
| @Override |
| public boolean validate(ILayerCell cell, |
| IConfigRegistry configRegistry, Object newValue) { |
| return true; |
| } |
| |
| @Override |
| public boolean validate(int columnIndex, int rowIndex, Object newValue) { |
| return true; |
| } |
| |
| }; |
| |
| public static final IDataValidator NEVER_VALID = new IDataValidator() { |
| |
| @Override |
| public boolean validate(ILayerCell cell, |
| IConfigRegistry configRegistry, Object newValue) { |
| return false; |
| } |
| |
| @Override |
| public boolean validate(int columnIndex, int rowIndex, Object newValue) { |
| return false; |
| } |
| |
| }; |
| } |