Use DataModel instead of direct List.
2009/6/13 Samb Green <[email protected]>
> Hi all,
>
> I have a problem with selectBooleanCheckbox in a datatable. I want to
> check a number of rows and delete them in the backing bean. However the rows
> marked as checked in the backing bean are different than those checked on
> the UI. However the number of rows checked is the same, it just checks wrong
> rows in the backing bean. Can anybody help please. I googled and seached the
> mailiong archiove but did not find any similar problem. Here is the code
> source: (I am using myfaces 1.1.5, tomahawk 1.1.7, jboss 4.0.3SP1)
>
> Th JSP:
>
> <%@ page language="java" contentType="text/html; charset=ISO-8859-1"%>
> <%@ include file="/jsps/inc/taglibs.inc"%>
> <html>
> <body>
> <f:view>
> <h:form styleClass="inputForm">
> <t:dataTable id="precptT" renderedIfEmpty="false"
>
>
> columnClasses="column-left,column-left,column-left,column-left,column-left,column-right"
> rowClasses="row-grey,row-none"
> styleClass="table"
> value="#{PrecBean.precomptes}"
> var="precompte">
>
> <h:column>
> <h:selectBooleanCheckbox id="aPrecpt"
> value="#{precompte.checked}"/>
> </h:column>
>
> <h:column>
> <f:facet name="header">
> <h:outputText value="No Mat" />
> </f:facet>
> <h:outputText value="#{precompte.noMat}" />
> </h:column>
> <h:column>
> <f:facet name="header">
> <h:outputText value="Name" />
> </f:facet>
> <h:outputText value="#{precompte.name}" />
> </h:column>
>
> <h:column>
> <f:facet name="header">
> <h:outputText value="Amount" />
> </f:facet>
> <h:outputText id="credLEC" value="#{precompte.amount}">
> <f:convertNumber pattern="##,###" />
> </h:outputText>
> </h:column>
> </t:dataTable>
>
> <br>
>
> <h:commandButton id="ajout"
> rendered="#{DemORIBean.nbPrecomptes != 0}"
> action="#{PrecBean.deleteSelections}"
> value="-"/>
> </h:form>
> </f:view>
> </body>
> </html>
>
>
> The backing bean:
>
>
> public class PrecompteBean implements Serializable
> {
> private static final long serialVersionUID = -1;
> private List<Precompte> precomptes;
>
> public List<Precompte> getPrecomptes()
> {
> // Get data from database
> return precomptes;
> }
>
> public void setPrecomptes(List<Precompte> precomptes)
> {
> this.precomptes = precomptes;
> }
>
> // Method to delete the selected row.
> public String deleteSelections()
> {
> for( Precompte prcpt: this.precomptes)
> {
> if( prcpt.isChecked())
> {
> // ... delete
> }
> }
> return null;
> }
> }
>
>
> The Precompte value object to hold data from each row of the database table
>
> public class Precompte implements Comparable, Serializable
> {
> private static final long serialVersionUID = -1L;
> private boolean checked;
> // ... declarations of other properties
>
>
> /**
> * @return Returns the checked.
> */
> public boolean isChecked()
> {
> return this.checked;
> }
>
> /**
> * @param checked The checked to set.
> */
> public void setChecked( boolean checked)
> {
> this.checked = checked;
> }
>
> // .... implementation of other getters and setters
> }
>
>
>
>
>
>
>
>
