001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 package org.apache.myfaces.tobago.component; 021 022 import org.apache.commons.logging.Log; 023 import org.apache.commons.logging.LogFactory; 024 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_INNER_HEIGHT; 025 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_INNER_WIDTH; 026 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_LAYOUT_HEIGHT; 027 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_LAYOUT_WIDTH; 028 import static org.apache.myfaces.tobago.TobagoConstants.RENDERER_TYPE_DEFAULT_LAYOUT; 029 030 import javax.faces.component.UIComponent; 031 import javax.faces.context.FacesContext; 032 033 public class UIDefaultLayout extends UILayout { 034 private static final Log LOG = LogFactory.getLog(UIDefaultLayout.class); 035 036 public static final String COMPONENT_TYPE = "org.apache.myfaces.tobago.DefaultLayout"; 037 public static final String COMPONENT_FAMILY = "org.apache.myfaces.tobago.Layout"; 038 039 040 private static UIDefaultLayout instance; 041 042 public static synchronized UIDefaultLayout getInstance() { 043 if (instance == null) { 044 instance = (UIDefaultLayout) 045 ComponentUtil.createComponent(COMPONENT_TYPE, RENDERER_TYPE_DEFAULT_LAYOUT, "UIDefaultLayout"); 046 } 047 return instance; 048 } 049 050 public void layoutBegin(FacesContext facesContext, UIComponent component) { 051 super.layoutBegin(facesContext, component); 052 //TODO why is this needed? 053 for (Object child : component.getChildren()) { 054 ((UIComponent) child).getAttributes().remove(ATTR_INNER_WIDTH); 055 ((UIComponent) child).getAttributes().remove(ATTR_INNER_HEIGHT); 056 ((UIComponent) child).getAttributes().remove(ATTR_LAYOUT_WIDTH); 057 ((UIComponent) child).getAttributes().remove(ATTR_LAYOUT_HEIGHT); 058 } 059 } 060 061 public String getFamily() { 062 return COMPONENT_FAMILY; 063 } 064 065 }