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1. Re: listshuttle has invalid value expression
have you read our limitations in guide for the objects used by list shuttle?
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2. Re: listshuttle has invalid value expression
hi,
thanks for quick reply. i haven't read the quide. can you please tell me is it posible to use objects for list shuttle. -
3. Re: listshuttle has invalid value expression
yes. but you shoud define converter for your objects and properly override equals and hashCode methods.
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4. Re: listshuttle has invalid value expression
hi,
i included converter for my objects. below is my code
dto classs
========
public class CodeValueDTO implements Serializable
{
/**
* serialVersionUID
*/
private static final long serialVersionUID = 1L;
private String codeValue;
private String codeDescription;
/**
* getter for codevalue
* @return String the codeValue
*/
public String getCodeValue ( )
{
return codeValue;
}
/**
* setter for code value
* @param codeValue the codeValue to set
*/
public void setCodeValue ( String codeValue )
{
this.codeValue = codeValue;
}
/**
* getter for codeDescription
* @return String the codeDescription
*/
public String getCodeDescription ( )
{
return codeDescription;
}
/**
* setter for codeDescription
* @param codeDescription the codeDescription to set
*/
public void setCodeDescription ( String codeDescription )
{
this.codeDescription = codeDescription;
}
/**
* Default constructor
* @param codeValue
* @param codeDescription
*/
public CodeValueDTO ( String codeValue, String codeDescription )
{
super();
this.codeValue = codeValue;
this.codeDescription = codeDescription;
}
@Override
public int hashCode ( )
{
final int prime = 31;
int result = 1;
result =
prime * result
+ ((codeDescription == null) ? 0 : codeDescription.hashCode());
result =
prime * result + ((codeValue == null) ? 0 : codeValue.hashCode());
return result;
}
@Override
public boolean equals ( Object obj )
{
if ( this == obj )
return true;
if ( obj == null )
return false;
if ( getClass() != obj.getClass() )
return false;
final CodeValueDTO other = ( CodeValueDTO ) obj;
if ( codeDescription == null )
{
if ( other.codeDescription != null )
return false;
}
else if ( !codeDescription.equals( other.codeDescription ) )
return false;
if ( codeValue == null )
{
if ( other.codeValue != null )
return false;
}
else if ( !codeValue.equals( other.codeValue ) )
return false;
return true;
}
}
converter class
==========
public class ListShuttleOptionItemConverter implements Converter
{
public Object getAsObject ( FacesContext context, UIComponent component,
String value )
{
int index = value.indexOf( ':' );
return new CodeValueDTO( value.substring( 0, index ), value
.substring( index + 1 ) );
}
public String getAsString ( FacesContext context, UIComponent component,
Object value )
{
if(value==null)
return "";
CodeValueDTO optionItem = ( CodeValueDTO ) value;
return optionItem.getCodeValue() + ":" + optionItem.getCodeDescription();
}
}
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:rich="http://richfaces.org/rich"
xmlns:a4j="http://richfaces.org/a4j"
xmlns:c="http://sourceforge.net/projects/jsf-comp">
<f:view>
<h:form>
<a4j:outputPanel ajaxRendered="true">
<h:messages />
</a4j:outputPanel>
<rich:listShuttle
sourceValue="#{demo.sourceList1}"
targetValue="#{demo.sourceList2}"
id="listshuttle"
var="item"
converter="#{converter}">
<rich:column width="18">
<h:outputText value="#{item.codeValue}"/>
</rich:column>
<rich:column>
<h:outputText value="#{item.codeDescription}"/>
</rich:column>
</rich:listShuttle>
<a4j:commandButton value="List 1" action="#{demo.sourceList2}"
reRender="listshuttle" />
<a4j:commandButton value="ok" action="#{demo.ok}"></a4j:commandButton>
</h:form>
</f:view>
================
public class Demo implements Cloneable
{
private List sourceList1 = new ArrayList();
private List sourceList2 = new ArrayList();
public void Demo()
{
}
public void ok()
{
System.out.println("testing target list values");
}
public Collection getSourceList1 ( )
{
if(sourceList1.size()==0)
{
for ( int i = 0; i < 2; i++ )
{
sourceList1.add(new CodeValueDTO( "Code" + i, "Value" + i ));
}
}
return sourceList1;
}
public void setSourceList1 ( List sourceList1 )
{
this.sourceList1 = sourceList1;
}
public void sourceList2 ( )
{
for ( int i = 0; i < 2; i++ )
{
sourceList1.add(new CodeValueDTO( "Code_new" + i, "Value_new" + i ));
}
}
public void setSourceList2 ( List sourceList2 )
{
this.sourceList2 = sourceList2;
}
public Collection getSourceList2 ( )
{
return sourceList2;
}
}
please validate above code. am i doing anything wrong.