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.myfaces.tobago.util.MessageFactory;
021    
022    import javax.faces.application.FacesMessage;
023    import javax.faces.context.FacesContext;
024    import java.io.IOException;
025    
026    /*
027     * User: weber
028     * Date: May 31, 2005
029     * Time: 7:47:11 PM
030     */
031    public class UISelectOne extends javax.faces.component.UISelectOne implements SupportsMarkup {
032    
033      public static final String COMPONENT_TYPE = "org.apache.myfaces.tobago.SelectOne";
034      public static final String MESSAGE_VALUE_REQUIRED = "tobago.SelectOne.MESSAGE_VALUE_REQUIRED";
035    
036      private String[] markup;
037    
038      public void restoreState(FacesContext context, Object state) {
039         Object[] values = (Object[]) state;
040         super.restoreState(context, values[0]);
041         markup = (String[]) values[1];
042       }
043    
044       public Object saveState(FacesContext context) {
045         Object[] values = new Object[2];
046         values[0] = super.saveState(context);
047         values[1] = markup;
048         return values;
049       }
050    
051    
052      public void encodeBegin(FacesContext facesContext) throws IOException {
053        // TODO change this should be renamed to DimensionUtils.prepare!!!
054        UILayout.getLayout(this).layoutBegin(facesContext, this);
055        super.encodeBegin(facesContext);
056      }
057    
058      public void validate(FacesContext facesContext) {
059        if (isRequired()) {
060    
061          Object submittedValue = getSubmittedValue();
062          if (submittedValue == null || "".equals(submittedValue)) {
063            FacesMessage facesMessage = MessageFactory.createFacesMessage(
064                facesContext, MESSAGE_VALUE_REQUIRED, FacesMessage.SEVERITY_ERROR);
065            facesContext.addMessage(getClientId(facesContext), facesMessage);
066            setValid(false);
067          }
068        }
069        super.validate(facesContext);
070      }
071    
072      public String[] getMarkup() {
073        if (markup != null) {
074          return markup;
075        }
076        return ComponentUtil.getMarkupBinding(getFacesContext(), this);
077      }
078    
079      public void setMarkup(String[] markup) {
080        this.markup = markup;
081      }
082    
083    }