| // 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.html; |
| |
| import org.apache.tapestry.AbstractComponent; |
| import org.apache.tapestry.IEngine; |
| import org.apache.tapestry.IMarkupWriter; |
| import org.apache.tapestry.IRequestCycle; |
| import org.apache.tapestry.Tapestry; |
| import org.apache.tapestry.engine.IEngineService; |
| import org.apache.tapestry.engine.ILink; |
| |
| /** |
| * Implements a <frame> within a <frameset>. |
| * |
| * [<a href="../../../../../ComponentReference/Frame.html">Component Reference</a>] |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * |
| **/ |
| |
| public abstract class Frame extends AbstractComponent |
| { |
| protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) |
| { |
| if (cycle.isRewinding()) |
| return; |
| |
| IEngine engine = cycle.getEngine(); |
| IEngineService pageService = engine.getService(Tapestry.PAGE_SERVICE); |
| ILink link = pageService.getLink(cycle, this, new String[] { getTargetPage() }); |
| |
| writer.beginEmpty("frame"); |
| writer.attribute("src", link.getURL()); |
| |
| renderInformalParameters(writer, cycle); |
| |
| writer.closeTag(); |
| } |
| |
| public abstract String getTargetPage(); |
| |
| public abstract void setTargetPage(String targetPage); |
| } |