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