[jboss-user] [JBoss Seam] - Re: Parameters not sent when using s:selectItems

[marius.oancea]

simple code not working (the List is not set on submit):

  | 
  | 
  | import java.util.ArrayList;
  | import java.util.List;
  | 
  | import org.jboss.seam.annotations.Name;
  | 
  | @Name("testAction")
  | public class TestAction {
  | 	public List<Element> multiSelect;
  | 
  | 	public List<Element> getMultiSelect() {
  | 		return multiSelect;
  | 	}
  | 
  | 	public void setMultiSelect(List<Element> multiSelect) {
  | 		this.multiSelect = multiSelect;
  | 	}
  | 
  | 	static public List<Element> allElements = new ArrayList<Element>();
  | 	static {
  | 		allElements.add(new Element(1, "One"));
  | 		allElements.add(new Element(2, "Two"));
  | 		allElements.add(new Element(3, "Three"));
  | 	}
  | 	public List<Element> getAllElements() {
  | 		return allElements;
  | 	}
  | 
  | 	public void setAllElements(List<Element> allElements) {
  | 		TestAction.allElements = allElements;
  | 	}
  | 	
  | 	
  | }
  | 
  | 
  | 
  | import java.io.Serializable;
  | import java.util.List;
  | 
  | import javax.faces.component.UIComponent;
  | import javax.faces.context.FacesContext;
  | import javax.faces.convert.Converter;
  | import javax.persistence.EntityManager;
  | 
  | import org.jboss.seam.annotations.In;
  | import org.jboss.seam.annotations.Name;
  | import org.jboss.seam.annotations.Transactional;
  | 
  | 
  | @Name("elementConvertor")
  | @org.jboss.seam.annotations.faces.Converter(forClass=Element.class)
  | public class ElementConvertor implements Converter, Serializable{
  | 
  | 	   @In
  | 	   private EntityManager entityManager;
  | 	   
  | 	   @Transactional
  | 	   public Object getAsObject(FacesContext context, UIComponent component, String value)
  | 	   {
  | 	      if (value != null)
  | 	      {
  | 	         try 
  | 	         {
  | 	            Integer id = Integer.parseInt(value);
  | 	            if (id != null)
  | 	            {
  | 	            	List<Element> allElements = TestAction.allElements;
  | 					for (int i = 0; i < allElements.size(); i++) {
  | 	            		if (allElements.get(i).getId().equals(id)) return allElements.get(i);
  | 	            	}
  | 	            }
  | 	         } 
  | 	         catch (NumberFormatException e) {
  | 	         }
  | 	      }
  | 	      return null;     
  | 	   }
  | 
  | 	   public String getAsString(FacesContext context, UIComponent component, Object value)
  | 	   {
  | 	      if (value instanceof Element)
  | 	      {
  | 	    	 Element c = (Element) value;
  | 	         return "" + c.getId();
  | 	      }
  | 	      else
  | 	      {
  | 	         return null;
  | 	      }
  | 	   }
  | 
  | }
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | import java.util.ArrayList;
  | import java.util.List;
  | 
  | import org.jboss.seam.annotations.Name;
  | 
  | @Name("testAction")
  | public class TestAction {
  | 	public List<Element> multiSelect;
  | 
  | 	public List<Element> getMultiSelect() {
  | 		return multiSelect;
  | 	}
  | 
  | 	public void setMultiSelect(List<Element> multiSelect) {
  | 		this.multiSelect = multiSelect;
  | 	}
  | 
  | 	static public List<Element> allElements = new ArrayList<Element>();
  | 	static {
  | 		allElements.add(new Element(1, "One"));
  | 		allElements.add(new Element(2, "Two"));
  | 		allElements.add(new Element(3, "Three"));
  | 	}
  | 	public List<Element> getAllElements() {
  | 		return allElements;
  | 	}
  | 
  | 	public void setAllElements(List<Element> allElements) {
  | 		TestAction.allElements = allElements;
  | 	}
  | 	
  | 	
  | }
  | 
  | 
  | 
  | === xList.page.xml====
  | <?xml version="1.0" encoding="UTF-8"?>
  | <page xmlns="http://jboss.com/products/seam/pages"
  |       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  |       xsi:schemaLocation="http://jboss.com/products/seam/pages http://jboss.com/products/seam/pages-2.0.xsd">
  |       
  |    <param name="multiSelect" value="#{testAction.multiSelect}"/>
  | </page>
  | 
  | 
  | 
  | ===xList.xhtml=====
  | <!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
  |                              "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  | 
  | <ui:composition xmlns="http://www.w3.org/1999/xhtml"
  |                 xmlns:s="http://jboss.com/products/seam/taglib"
  |                 xmlns:ui="http://java.sun.com/jsf/facelets"
  |                 xmlns:f="http://java.sun.com/jsf/core"
  |                 xmlns:h="http://java.sun.com/jsf/html"
  |                 xmlns:rich="http://richfaces.org/rich"
  |                 template="layout/template.xhtml">
  |                        
  | <ui:define name="body">
  |     
  |     <h:messages globalOnly="true" styleClass="message" id="globalMessages"/>
  |     
  |     <h:form id="mySearch" styleClass="edit" >
  |     
  |         <rich:simpleTogglePanel label="Test submit multiple selection" switchType="ajax">
  |         
  |             <s:decorate template="layout/display.xhtml">
  |                 <ui:define name="label">Please select some objects</ui:define>
  |                 <h:selectManyListbox id="multiSelect" value="#{testAction.multiSelect}" >
  |                     <s:selectItems value="#{testAction.allElements}"
  |                                    var="element"
  |                                    label="#{element.name}"/>
  |                 </h:selectManyListbox>
  |                 
  |              </s:decorate>
  | 
  | 
  | 
  |         
  |         </rich:simpleTogglePanel>
  |         
  |         <div class="actionButtons">
  |             <h:commandButton id="search" value="Search" action="/test/test.xhtml" />
  |         </div>
  |         
  |     </h:form>
  |     
  |     #{testAction.multiSelect}
  |     
  |     
  | </ui:define>
  | 
  | </ui:composition>
  | 
  | 



testAction.setMultiSelect() is never called. 


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