| // Copyright 2004 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.tapestry.link; |
| |
| import org.apache.tapestry.IMarkupWriter; |
| import org.apache.tapestry.IRequestCycle; |
| import org.apache.tapestry.components.ILinkComponent; |
| |
| /** |
| * Used by various instances of {@link org.apache.tapestry.components.ILinkComponent} to |
| * actually renderer a link. Implementations of the interface can manipulate |
| * some of the details of how the link is written. |
| * |
| * <p> |
| * A link rendered may be used in many threads, and must be threadsafe. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 3.0 |
| * |
| **/ |
| |
| public interface ILinkRenderer |
| { |
| /** |
| * Renders the link, taking into account whether the link is |
| * {@link org.apache.tapestry.components.ILinkComponent#isDisabled() disabled}. |
| * This is complicated by the fact that the rendering of the body must be done |
| * within a nested writer, since the Link component will not render its tag |
| * until after its body renders (to allow for any wrapped components that need |
| * to write event handlers for the link). |
| * |
| * <p> |
| * The renderer is expected to call back into the link component to handle |
| * any informal parameters, and to handle events output. |
| * |
| * |
| **/ |
| |
| public void renderLink(IMarkupWriter writer, IRequestCycle cycle, ILinkComponent linkComponent); |
| |
| } |