| // Copyright 2008 The Apache Software Foundation |
| // |
| // 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 org.apache.tapestry5.services; |
| |
| import org.apache.tapestry5.Block; |
| |
| /** |
| * Used to override the default {@link org.apache.tapestry5.services.BeanBlockSource} for a particular data type. The |
| * service accepts the same configuration of {@link org.apache.tapestry5.services.BeanBlockContribution}s as the main |
| * service. |
| */ |
| public interface BeanBlockOverrideSource |
| { |
| /** |
| * Returns a block which can be used to render an editor for the given data type, in the form of a field label and |
| * input field. |
| * |
| * @param datatype logical name for the type of data to be displayed |
| * @return the Block |
| * @throws null if no override is available |
| */ |
| Block getEditBlock(String datatype); |
| |
| /** |
| * Returns a block which can be used to render output for the given data type. |
| * |
| * @param datatype logical name for the type of data to be displayed |
| * @return the Block |
| * @throws null if no override is available |
| */ |
| Block getDisplayBlock(String datatype); |
| |
| /** |
| * Checks to see if there is a display block for the indicated data type. |
| * |
| * @param datatype to check for |
| * @return true if an override display block is available |
| */ |
| boolean hasDisplayBlock(String datatype); |
| } |