Change rows property of ADF Table

[Brian Smith]

I am trying to set the rows property of an af:table object based on the value of a drop down box (af:selectOneChoice)



I have tried this a number of ways but can't get the table to pick up the change unless I do a browser page refresh. I have the autoSubmit property of the drop down box set to true. It is bound to the rows property of my backing bean (which is also bound to the table rows property)

<af:table  var="row" 
           value="#{accountBacking.model}" 
           rows="#{accountBacking.rows}"
           first="#{accountBacking.first}"
           banding="row"
           styleClass="table.sample"
           binding="#{accountBacking.table}"
           >  
   <f:facet name="actions">
        <af:selectOneChoice id="rowChoice"
             label="Rows Per Page: " 
             autoSubmit="true"
             value="#{accountBacking.rows}"
             valueChangeListener="#{accountBacking.rowChange}">
             <f:selectItem itemLabel="5" itemValue="5"/>
             <f:selectItem itemLabel="10" itemValue="10"/>
             <f:selectItem itemLabel="20" itemValue="20"/>
             <f:selectItem itemLabel="50" itemValue="50"/>                            
        </af:selectOneChoice> 
   </f:facet> 

Here is the code from by backing bean. (accountBacking)

package com.stlouiscity.budget.jsf.beans;
 
import com.stlouiscity.budget.database.beans.AccountBean;
import com.stlouiscity.budget.database.dao.AccountDAO;
import com.stlouiscity.budget.database.dao.DAOFactory;
import com.stlouiscity.budget.jsf.delegates.AccountService;
 
import java.util.List;
 
import javax.faces.application.Application;
import javax.faces.application.ViewHandler;
import javax.faces.context.FacesContext;
import javax.faces.event.ValueChangeEvent;
import javax.faces.model.DataModel;
import javax.faces.model.ListDataModel;
 
import oracle.adf.view.faces.context.AdfFacesContext;
import oracle.adf.view.faces.model.SortableModel;
import oracle.adf.view.faces.component.core.data.CoreTable;
import oracle.adf.view.faces.event.ReturnEvent;
 
public class AccountBacking implements java.io.Serializable{
    
    private AccountService acctService;
    private AccountBean account;
    private CoreTable table;
    private SortableModel model;
    private Integer first;
    private Integer rows;
  
    /** Creates a new instance of AccountBacking */
    public AccountBacking() {  
        acctService = new AccountService();
        AdfFacesContext afCtx = AdfFacesContext.getCurrentInstance();
        setFirst((Integer)afCtx.getProcessScope().get("first"));
        setRows((Integer)afCtx.getProcessScope().get("rows")); 
        //afCtx.getProcessScope().clear();
    }
    public CoreTable getTable() {
        return table;
    }
 
    public void setTable(CoreTable table) {
        this.table = table; 
    }    
 
    public SortableModel getModel() {
        if (model == null)
            refreshAction();
        return model;
    }
 
    public void setModel(SortableModel model) {
        this.model = model;
    }     
 
    public AccountBean getAccount() {
        return this.account;
    }    
    
    public void setAccount(AccountBean account) {
        this.account = account;
    }
    
    public void setRowData() {
        try {
            this.account = (AccountBean) this.table.getRowData();
        } catch (NullPointerException npe) {
            this.account = new AccountBean();
        }
    }
    
    public String editAccountAction() {
        setRowData();
        AdfFacesContext afCtx = AdfFacesContext.getCurrentInstance();
        if (getAccount() == null) {
            setAccount(new AccountBean());
        }
        afCtx.getProcessScope().put("account",getAccount());
        afCtx.getProcessScope().put("first",this.table.getFirst());
        afCtx.getProcessScope().put("rows",this.table.getRows());
        return "EditAccount";
    }  
 
    public String deleteAccount() {
        setRowData();
        acctService.deleteAccount(this.getAccount()); 
        refreshAction();
        return null;
    }
    
    public String refreshAction() {
        List list = acctService.getAccounts();
        ListDataModel listModel = new ListDataModel(list);
        model = new SortableModel(listModel);           
        table.setValue(getModel());
        table.setRows(getRows());
        table.setFirst(getFirst());             
        return null;
    }  
    
    public void rowChange(ValueChangeEvent event) {
            refreshAction();
    } 
 
    public Integer getFirst() {
        return first;
    }
 
    public void setFirst(Integer first) {
        if (first != null) {
            this.first = first;
        } else {
            this.first = 0;
        }
        AdfFacesContext afCtx = AdfFacesContext.getCurrentInstance();        
        afCtx.getProcessScope().put("first",this.first);        
    }
 
    public Integer getRows() {
        return rows;
    }
 
    public void setRows(Integer rows) {
        if (rows != null) {
            this.rows = rows;
        } else {
            this.rows = 10;
        }        
        AdfFacesContext afCtx = AdfFacesContext.getCurrentInstance();
        afCtx.getProcessScope().put("rows",this.rows);        
    }  
}

I am attempting to pass the rows and first property of the table into the process scope (an adf specific scope) and then look them back up during the constructor. The backing bean is request scoped. I do no want to use a session scoped bean because I don't want to have to deal with thread safety.

[Brian Smith]

Here is the solution

http://forums.oracle.com/forums/thread.jspa?messageID=1486437�