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| <h1 class="page">Table Columns</h1> |
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| <p>The optional <a href="../../../../refguide/2.0.0-M5/applib/index/services/tablecol/TableColumnOrderService.html" class="page">TableColumnOrderService</a> SPI service can be used to reorder columns in a table, either for a parented collection (owned by parent domain object) or a standalone collection (returned from an action invocation).</p> |
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| <p>For example, suppose there is a <code>Customer</code> and an <code>Order</code>:</p> |
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| <p>The order of these properties of <code>Order</code>, when rendered in the context of its owning <code>Customer</code>, can be controlled using this implementation of <code>TableColumnOrderService</code>:</p> |
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| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-java hljs" data-lang="java">@Service |
| @Order(100) <i class="conum" data-value="1"></i><b>(1)</b> |
| public class TableColumnOrderServiceForCustomerOrders |
| implements TableColumnOrderService { |
| public List<String> orderParented( |
| final Object parent, |
| final String collectionId, |
| final Class<?> collectionType, |
| final List<String> propertyIds) { |
| return parent instanceof Customer && <i class="conum" data-value="2"></i><b>(2)</b> |
| "orders".equals(collectionId) |
| ? Arrays.asList("num", "placedOn", "state", "shippedOn") |
| : null; |
| } |
| public List<String> orderStandalone( |
| final Class<?> collectionType, |
| final List<String> propertyIds) { |
| return null; <i class="conum" data-value="3"></i><b>(3)</b> |
| } |
| }</code></pre> |
| </div> |
| </div> |
| <div class="colist arabic"> |
| <table> |
| <tr> |
| <td><i class="conum" data-value="1"></i><b>1</b></td> |
| <td>specifies the order in which the <code>TableColumnOrderService</code> implementations are called.</td> |
| </tr> |
| <tr> |
| <td><i class="conum" data-value="2"></i><b>2</b></td> |
| <td>represents the collection that this service can advise upon</td> |
| </tr> |
| <tr> |
| <td><i class="conum" data-value="3"></i><b>3</b></td> |
| <td>provides no advice</td> |
| </tr> |
| </table> |
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