| /* |
| * $Id$ |
| * $Revision$ |
| * $Date$ |
| * |
| * ==================================================================== |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package wicket.extensions.markup.html.repeater.data.table; |
| |
| import wicket.extensions.markup.html.repeater.data.grid.ICellPopulator; |
| import wicket.extensions.markup.html.repeater.refreshing.Item; |
| import wicket.markup.html.basic.Label; |
| import wicket.model.IModel; |
| import wicket.model.PropertyModel; |
| |
| /** |
| * A convinience implementation of column that adds a label to the cell whose |
| * model is determined by the provided woclet property expression (same as used |
| * by {@link PropertyModel}) that is evaluated against the current row's model |
| * object |
| * <p> |
| * Example |
| * |
| * <pre> |
| * columns[0] = new PropertyColumn(new Model("First Name"), "name.first"); |
| * </pre> |
| * |
| * The above will attach a label to the cell with a property model for the |
| * expression "name.first" |
| * |
| * @see PropertyModel |
| * |
| * @author Igor Vaynberg ( ivaynberg ) |
| * |
| */ |
| public class PropertyColumn extends AbstractColumn |
| { |
| private static final long serialVersionUID = 1L; |
| |
| private final String propertyExpression; |
| |
| /** |
| * Creates a property column that is also sortable |
| * |
| * @param displayModel |
| * display model |
| * @param sortProperty |
| * sort property |
| * @param propertyExpression |
| * wicket property expression used by PropertyModel |
| */ |
| public PropertyColumn(IModel displayModel, String sortProperty, String propertyExpression) |
| { |
| super(displayModel, sortProperty); |
| this.propertyExpression = propertyExpression; |
| } |
| |
| /** |
| * Creates a non sortable property column |
| * |
| * @param displayModel |
| * display model |
| * @param propertyExpressions |
| * wicket property expression |
| * @see PropertyModel |
| */ |
| public PropertyColumn(IModel displayModel, String propertyExpressions) |
| { |
| super(displayModel, null); |
| this.propertyExpression = propertyExpressions; |
| } |
| |
| /** |
| * Implementation of populateItem which adds a label to the cell whose model |
| * is the provided OGNL property expression evaluated agains rowModelObject |
| * |
| * @see ICellPopulator#populateItem(Item, String, IModel) |
| */ |
| public void populateItem(Item item, String componentId, IModel model) |
| { |
| item.add(new Label(componentId, createLabelModel(model))); |
| } |
| |
| protected IModel createLabelModel(IModel embeddedModel) |
| { |
| return new PropertyModel(embeddedModel, propertyExpression); |
| } |
| |
| /** |
| * @return wicket property expression |
| */ |
| public String getPropertyExpression() |
| { |
| return propertyExpression; |
| } |
| |
| } |