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 static org.apache.myfaces.tobago.TobagoConstants.ATTR_EVENT;
021    
022    import javax.faces.context.FacesContext;
023    import javax.faces.el.ValueBinding;
024    import javax.faces.component.UIColumn;
025    
026    /**
027     * @since 1.0.13
028     */
029    public class UIColumnEvent extends UIColumn {
030    
031      public static final String COMPONENT_TYPE = "org.apache.myfaces.tobago.ColumnEvent";
032    
033      private String event;
034    
035      public Object saveState(FacesContext context) {
036        Object[] values = new Object[2];
037        values[0] = super.saveState(context);
038        values[1] = event;
039        return values;
040      }
041    
042      public void restoreState(FacesContext context, Object savedState) {
043        Object[] values = (Object[]) savedState;
044        super.restoreState(context, values[0]);
045        event = (String) values[1];
046      }
047    
048      public void setEvent(String event) {
049        this.event = event;
050      }
051    
052      public String getEvent() {
053        if (event != null) {
054          return event;
055        }
056        ValueBinding vb = getValueBinding(ATTR_EVENT);
057        if (vb != null) {
058          return (String) vb.getValue(getFacesContext());
059        } else {
060          return null;
061        }
062      }
063    }