Foros del Web » Programación para mayores de 30 ;) » Java »

problema raro obteniendo Id del nodo en un Tree

Estas en el tema de problema raro obteniendo Id del nodo en un Tree en el foro de Java en Foros del Web. Hola a todos. Estoy intentando obtener el nodo seleccionado en un Tree en JSF. Este es el código de la página: Código: <?xml version="1.0" encoding="UTF-8"?> ...
  #1 (permalink)  
Antiguo 31/03/2009, 13:15
 
Fecha de Ingreso: septiembre-2007
Mensajes: 173
Antigüedad: 16 años, 7 meses
Puntos: 0
problema raro obteniendo Id del nodo en un Tree

Hola a todos.

Estoy intentando obtener el nodo seleccionado en un Tree en JSF.

Este es el código de la página:
Código:
<?xml version="1.0" encoding="UTF-8"?>
<!-- 
    Document   : cagonlaleshe
    Created on : 31-mar-2009, 20:23:03
    Author     : Marius
-->
<jsp:root version="1.2" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:ui="http://www.sun.com/web/ui">
    <jsp:directive.page contentType="text/html;charset=UTF-8" pageEncoding="UTF-8"/>
    <f:view>
        <ui:page id="page1">
            <ui:html id="html1">
                <ui:head id="head1">
                    <ui:link id="link1" url="/resources/stylesheet.css"/>
                </ui:head>
                <ui:body id="body1" style="-rave-layout: grid">
                    <ui:form id="form1">
                        <ui:tree  immediate="true" binding="#{cagonlaleshe.tree1}" id="tree1" style="left: 192px; top: 144px; position: absolute" text="Tree">
                            <ui:treeNode  action="#{cagonlaleshe.actionNodo}" id="treeNode1" text="Tree Node 1">
                                <f:facet name="image">
                                    <ui:image icon="TREE_DOCUMENT" id="image1"/>
                                </f:facet>
                            </ui:treeNode>
                            <ui:treeNode action="#{cagonlaleshe.actionNodo}" id="treeNode2" text="Tree Node 2">
                                <f:facet name="image">
                                    <ui:image icon="TREE_DOCUMENT" id="image2"/>
                                </f:facet>
                            </ui:treeNode>
                            <ui:treeNode action="#{cagonlaleshe.actionNodo}" id="treeNode3" text="Tree Node 3">
                                <f:facet name="image">
                                    <ui:image icon="TREE_DOCUMENT" id="image3"/>
                                </f:facet>
                            </ui:treeNode>
                        </ui:tree>
                    </ui:form>
                </ui:body>
            </ui:html>
        </ui:page>
    </f:view>
</jsp:root>

Este el código JAVA:
Código:
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package proyectoelearning;

import com.sun.rave.web.ui.appbase.AbstractPageBean;
import com.sun.rave.web.ui.component.Tree;
import javax.faces.FacesException;

/**
 * <p>Page bean that corresponds to a similarly named JSP page.  This
 * class contains component definitions (and initialization code) for
 * all components that you have defined on this page, as well as
 * lifecycle methods and event handlers where you may add behavior
 * to respond to incoming events.</p>
 *
 * @version cagonlaleshe.java
 * @version Created on 31-mar-2009, 20:23:04
 * @author Marius
 */

public class cagonlaleshe extends AbstractPageBean {
    // <editor-fold defaultstate="collapsed" desc="Managed Component Definition">

    /**
     * <p>Automatically managed component initialization.  <strong>WARNING:</strong>
     * This method is automatically generated, so any user-specified code inserted
     * here is subject to being replaced.</p>
     */
    private void _init() throws Exception {
    }
    private Tree tree1 = new Tree();
private String p=new String();

    public String getP() {
        return p;
    }

    public void setP(String p) {
        this.p = p;
    }




    public void actionNodo()
    {
        System.out.println("to dentro");
        
        String pepe=tree1.getCookieSelectedTreeNode();
        System.out.println(pepe);
    }
    public Tree getTree1() {
tree1.setSelected("treeNode1");
        return tree1;
    }

    public void setTree1(Tree t) {
        this.tree1 = t;
    }

    // </editor-fold>

    /**
     * <p>Construct a new Page bean instance.</p>
     */
    public cagonlaleshe() {
    }

    /**
     * <p>Callback method that is called whenever a page is navigated to,
     * either directly via a URL, or indirectly via page navigation.
     * Customize this method to acquire resources that will be needed
     * for event handlers and lifecycle methods, whether or not this
     * page is performing post back processing.</p>
     * 
     * <p>Note that, if the current request is a postback, the property
     * values of the components do <strong>not</strong> represent any
     * values submitted with this request.  Instead, they represent the
     * property values that were saved for this view when it was rendered.</p>
     */
    @Override
    public void init() {
        // Perform initializations inherited from our superclass
        super.init();
        // Perform application initialization that must complete
        // *before* managed components are initialized
        // TODO - add your own initialiation code here
        
        // <editor-fold defaultstate="collapsed" desc="Managed Component Initialization">
        // Initialize automatically managed components
        // *Note* - this logic should NOT be modified
        try {
            _init();
        } catch (Exception e) {
            log("cagonlaleshe Initialization Failure", e);
            throw e instanceof FacesException ? (FacesException) e: new FacesException(e);
        }
        
        // </editor-fold>
        // Perform application initialization that must complete
        // *after* managed components are initialized
        // TODO - add your own initialization code here
    }

    /**
     * <p>Callback method that is called after the component tree has been
     * restored, but before any event processing takes place.  This method
     * will <strong>only</strong> be called on a postback request that
     * is processing a form submit.  Customize this method to allocate
     * resources that will be required in your event handlers.</p>
     */
    @Override
    public void preprocess() {
    }

    /**
     * <p>Callback method that is called just before rendering takes place.
     * This method will <strong>only</strong> be called for the page that
     * will actually be rendered (and not, for example, on a page that
     * handled a postback and then navigated to a different page).  Customize
     * this method to allocate resources that will be required for rendering
     * this page.</p>
     */
    @Override
    public void prerender() {
    }

    /**
     * <p>Callback method that is called after rendering is completed for
     * this request, if <code>init()</code> was called (regardless of whether
     * or not this was the page that was actually rendered).  Customize this
     * method to release resources acquired in the <code>init()</code>,
     * <code>preprocess()</code>, or <code>prerender()</code> methods (or
     * acquired during execution of an event handler).</p>
     */
    @Override
    public void destroy() {
    }
    
}
El método de las narices getSelected() siempre devuelve null, igual que getCookieSelectedTreeNode().

¿Qué carajo pasa?.
__________________
http://javautil.blogspot.com/

Blog de programación en JAVA con apuntes, dudes, manuales, aplicaciones y mas.
Atención: Estás leyendo un tema que no tiene actividad desde hace más de 6 MESES, te recomendamos abrir un Nuevo tema en lugar de responder al actual.
Respuesta




La zona horaria es GMT -6. Ahora son las 10:42.