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 static org.apache.myfaces.tobago.TobagoConstants.ATTR_EVENT;
023    
024    import javax.faces.context.FacesContext;
025    import javax.faces.el.ValueBinding;
026    import javax.faces.component.UIColumn;
027    
028    /**
029     * @since 1.0.13
030     */
031    public class UIColumnEvent extends UIColumn {
032    
033      public static final String COMPONENT_TYPE = "org.apache.myfaces.tobago.ColumnEvent";
034    
035      private String event;
036    
037      public Object saveState(FacesContext context) {
038        Object[] values = new Object[2];
039        values[0] = super.saveState(context);
040        values[1] = event;
041        return values;
042      }
043    
044      public void restoreState(FacesContext context, Object savedState) {
045        Object[] values = (Object[]) savedState;
046        super.restoreState(context, values[0]);
047        event = (String) values[1];
048      }
049    
050      public void setEvent(String event) {
051        this.event = event;
052      }
053    
054      public String getEvent() {
055        if (event != null) {
056          return event;
057        }
058        ValueBinding vb = getValueBinding(ATTR_EVENT);
059        if (vb != null) {
060          return (String) vb.getValue(getFacesContext());
061        } else {
062          return null;
063        }
064      }
065    }