| package org.apache.myfaces.tobago.renderkit; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.myfaces.tobago.component.ComponentUtil; |
| import org.apache.myfaces.tobago.util.LayoutUtil; |
| |
| import javax.faces.component.UIComponent; |
| import javax.faces.context.FacesContext; |
| import java.io.IOException; |
| |
| |
| /* |
| * User: weber |
| * Date: Feb 22, 2005 |
| * Time: 3:05:58 PM |
| */ |
| public abstract class LayoutRenderer extends LayoutableRendererBase { |
| |
| private static final Log LOG = LogFactory.getLog(LayoutRenderer.class); |
| |
| public abstract void prepareRender(FacesContext facesContext, UIComponent component); |
| |
| |
| public void encodeChildrenOfComponent(FacesContext facesContext, UIComponent component) |
| throws IOException { |
| // use renderer of component |
| LayoutableRendererBase renderer = ComponentUtil.getRenderer(facesContext, component); |
| renderer.encodeChildren(facesContext, component); |
| } |
| |
| @Override |
| public int getFixedHeight(FacesContext facesContext, UIComponent component) { |
| int height = 0; |
| |
| if (LOG.isInfoEnabled() && component.getChildCount() > 1) { |
| LOG.info("Can't calculate fixedHeight! " |
| + "using estimation by contained components. "); |
| } |
| height += LayoutUtil.calculateFixedHeightForChildren(facesContext, component); |
| |
| LayoutInformationProvider containerRenderer = |
| ComponentUtil.getRenderer(facesContext, component); |
| if (containerRenderer != null) { |
| height += containerRenderer.getHeaderHeight(facesContext, component); |
| height += containerRenderer.getPaddingHeight(facesContext, component); |
| } |
| |
| return height; |
| } |
| |
| } |