ken buen dia,
ya resolvi el problema, lo que sucedia es que yo estaba colocando a llenar la
lista en el metodo get de ella misma y por eso se me reiniciaban los valores
compañero agradezco mucho tu ayuda,
El Saturday 26 April 2008 08:35:20 jaider rodriguez escribió:
> Jaider Escribio.
>
>
> hola ken,
>
> agradezco mucho tu respuesta, inclui el metodo que me dijiste, cuando corro
> el proyecto efectivamente se pintan la cuatro cajas de texto, yo digito
> valores sobre esas cajas y los quiero recuperar en el metodo de un boton
> que agregue pero nada los objetos de la lista en su propiedad valor viene
> aun vacios, que estare haciendo mal.
>
> gracias
>
>
>
> Hi,
>
> You are asking how to get the value of the 4 fields you are creating?
>
> You can use a ValueExpression to map the data back to your List, or
> anywhere else you would like. For example:
>
> ...
> caja=new TextField();
> caja.setId(dto.getId());
> --> caja.setValueExpression("text", createVE("#{sessionBean.lista["
> + (idx++) + "].valor}"));
> this.getGridPanel1().getChildren().add(caja);
> ...
>
> private ValueExpression createVE(String exp) {
> FacesContext facesCtx = FacesContext.getCurrentInstance();
> return facesCtx.getApplication().getExpressionFactory().
> createValueExpression(facesCtx.getELContext(), exp,
> Object.class);
> }
>
> This will ensure the original object
> (sessionBean.getLista().get(idx).setValor("<new value>")) is called.
> However, you may want to use "binding" instead of "prerender".
> "prerender" is not standard and may get invoked more than 1 time adding
> too many fields to your page if it is refreshed.
>
> I hope this helps you.
>
> Good luck!
>
> Ken Paulsen
> https://jsftemplating.dev.java.net
>
> jaider rodriguez wrote:
> > hola ken.
> >
> > ya encontre la forma de pintar los controles ahora la duda que me asalta
> > es como obtengo el valor que se digite en las cajas de texto o combos que
> > se llegasen a pintar, te coloco el fragmento de codigo que pinta los
> > controles, aclaro es solo un ejemplo , el ejemplo pinta cuatro cajas de
> > texto y la funcion que te envio la llamo desde el prerender de la pagina
> >
> > public void crearTabla(){
> > SessionBean1 f=this.getSessionBean1();
> > TextField caja;
> > ImageComponent imagen;
> > for(DatosDto dto:f.getLista()){
> > if(dto.getTipo().equals("TEXT")){
> > caja=new TextField();
> > caja.setId(dto.getId());
> > caja.setText(dto.getValor());
> > this.getGridPanel1().getChildren().add(caja);
> > }else if(dto.getTipo().equals("IMAGE")){
> > imagen=new ImageComponent();
> > imagen.setId(dto.getId());
> > imagen.setUrl(dto.getValor());
> > this.getGridPanel1().getChildren().add(imagen);
> > }
> > }
> > }
> >
> >
> > la lista esta definida asi
> >
> >
> > lista.clear();
> > lista.add(new DatosDto("","compo1","TEXT"));
> > lista.add(new DatosDto("","compo2","TEXT"));
> > lista.add(new DatosDto("","compo3","TEXT"));
> > lista.add(new DatosDto("","compo4","TEXT"));
> >
> >
> > como obtengo el valor de lo que se digite sobre las cajas de texto
> >
> > gracias
> > El Friday 25 April 2008 10:46:27 Ken Paulsen escribió:
> >
> >
> >> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
> >> <html>
> >> <head>
> >> <meta content="text/html;charset=ISO-8859-1"
> >> http-equiv="Content-Type"> <title></title>
> >> </head>
> >> <body bgcolor="#ffffff" text="#000000">
> >> <br>
> >> <a class="moz-txt-link-freetext"
> >> href="http://www.freetranslation.com/">http://www.freetranslation.com/</
> >>a>< br> <br>
> >> One way would be to use the "binding" attribute for a parent container
> >> (like a PanelGroup) which uses the objects in the list to create child
> >> components. There are other ways... if you have Java code showing
> >> what you are trying to do, this would help us help you.<br>
> >> <br>
> >> Good luck!<br>
> >> <br>
> >> Ken<br>
> >> <a class="moz-txt-link-freetext"
> >> href="https://jsftemplating.dev.java.net">https://jsftemplating.dev.java
> >>.ne t</a><br> <br>
> >> Vanessa Black wrote:
> >> <blockquote cite="mid:4811EFF3.5050404_at_Sun.COM" type="cite">
> >> <meta content="text/html;charset=ISO-8859-1"
> >> http-equiv="Content-Type"> <br>
> >> I believe this could serve as a translation into English<br>
> >> <br>
> >> -------------------------------<br>
> >> <br>
> >> Today I return to you all with the following problem<br>
> >> <br>
> >> I have a list which is filled with objects that have 3 properties. One
> >> is called value, the second id, the third is type component(depending
> >> on if you render a text box, or "combo"(?) or button). I'd like to
> >> know how to run through the list and render the controls depending on
> >> the corresponding type.<br>
> >> <br>
> >> Help please<br>
> >> -------------------------------<br>
> >> <br>
> >> <a moz-do-not-send="true" class="moz-txt-link-abbreviated"
> >>
> >> href="mailto:jaider.rodriguez_at_creandosoft.com">jaider.rodriguez_at_creandos
> >>oft .com</a> wrote:
> >> <blockquote
> >> cite="mid:20080424215129.2o9w4lfgwgcogwcc_at_webmail.creandosoft.com"
> >> type="cite">Buen dia <br>
> >> <br>
> >> <br>
> >> hoy recurro a ustedes por el siguiente problema. <br>
> >> <br>
> >> tengo una lista la cual esta lleno de objetos que tiene tres
> >> propiedades una <br>
> >> es llamado valor otro llamado id y el otro tipo de componente (si se
> >> dibuja <br>
> >> en una caja de texto o un combo o un boton etc), quisiera saber como
> >> puedo <br>
> >> hacer para recorrer esta lista y pintarla los controles segun el tipo
> >> que les <br>
> >> corresponde. <br>
> >> <br>
> >> ayuda por fa <br>
> >> <br>
> >> ---------------------------------------------------------------------
> >> <br> To unsubscribe, e-mail: <a moz-do-not-send="true"
> >> class="moz-txt-link-abbreviated"
> >>
> >> href="mailto:users-unsubscribe_at_woodstock.dev.java.net">users-unsubscribe
> >>@wo odstock.dev.java.net</a> <br>
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> >> class="moz-txt-link-abbreviated"
> >>
> >> href="mailto:users-help_at_woodstock.dev.java.net">users-help_at_woodstock.dev
> >>.ja va.net</a> <br>
> >> <br>
> >> </blockquote>
> >> <br>
> >> <div class="moz-signature">-- <br>
> >> <small style="font-family: palatino linotype;"><span
> >> style="color: rgb(153, 153, 153);">Vanessa L. Black </span><br>
> >> <span style="color: rgb(153, 153, 153);">Storage Platform Software
> >> Group</span><br>
> >> <span style="color: rgb(153, 153, 153);">Sun Microsystems
> >> Inc.</span><br> <span style="color: rgb(153, 153, 153);">Broomfield ,
> >> Colorado</span> <br>
> >> <span style="color: rgb(153, 153, 153);">x72984,
> >> 303-272-2984</span></small> </div>
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