[EMAIL PROTECTED] On 7/2/07, daniel ccss <[EMAIL PROTECTED]> wrote:
Do you need more information?, nobody pass for this issue? Any help is welcome On 7/2/07, daniel ccss <[EMAIL PROTECTED] > wrote: > > Anyone?? > > On 7/2/07, daniel ccss <[EMAIL PROTECTED]> wrote: > > > > Hi all, I'm new in this mailing list, and I new using My Faces, hope > > you can help me. > > > > Things to know: i'm using JDeveloper 10.1.3.1, last My Faces, last > > Tomahawk implementation version > > > > I made the following things: > > 1-The datascroller example (http://www.irian.at/myfaces/ dataScroller.jsf) > > and all works fine. > > 2- Then I read and implemented the article in the wiki call: WorkingWithLargeTables > > ( http://wiki.apache.org/myfaces/WorkingWithLargeTables ) and all > > works fine, the number of links, the method who brings each DataPage, the > > data that is displaying in each page, all fine. > > > > But I noticed that when I put a System.out.println in the method that > > brings the DataPage, the method that bring the DataPage from the database is > > invoked several times, for example the System.outs that appear in my > > console when I: load the page, click in page2 link, and click in page3 are: > > > > ... LINENUM BETWEEN 0 AND 2 > > ... LINENUM BETWEEN 0 AND 2 > > ... LINENUM BETWEEN 0 AND 2 > > ... LINENUM BETWEEN 0 AND 2 > > ... LINENUM BETWEEN 2 AND 4 > > ... LINENUM BETWEEN 2 AND 4 > > ... LINENUM BETWEEN 2 AND 4 > > ... LINENUM BETWEEN 5 AND 7 > > > > Why this happen? I put a breakpoint in the fetchPage(int startRow, int > > pageSize) method, and in fact it is call several times for each DataPage > > that is show. > > > > The DataPage<T> class and the PagedListDataModel<T> class are the same > > that appears in the WorkingWithLargeTables article from wiki. > > > > This is the code of my bean class: > > > > public class PacienteBean { > > > > DataModel dataModel = null; > > private DataPage<Paciente> getDataPage(int inicio, int > > regPorPagina) { > > PacienteEJB paciente = null; > > try { > > final Context context = new InitialContext(); > > paciente = (PacienteEJB)context.lookup("PacienteEJB"); > > } catch (NamingException e) { > > System.out.println(e.getMessage()); > > } > > return paciente.obtenerPacientes (inicio, regPorPagina); > > } > > > > public DataModel getDataModel() { > > if (dataModel == null) { > > dataModel = new LocalDataModel(2); > > } > > return dataModel; > > } > > > > private class LocalDataModel extends PagedListDataModel { > > public LocalDataModel(int pageSize) { > > super(pageSize); > > } > > > > public DataPage<Paciente> fetchPage(int startRow, int > > pageSize) { > > return getDataPage(startRow, pageSize); > > } > > } > > public String mostrarPacientes() { > > return "success"; > > } > > } > > > > The only clue that I have is that something is happening in the jsp, > > beacause the wiki article don´t explains how the jsp have to be, in fact I > > leave it the same as the datascroller example jsp, only changing the value > > of the DataTable value="#{PacienteBean.dataModel}" and putting the > > preserveDataModel="false" because I want that for each page the > > DataPage be loaded from the DataBase. This is my jsp: > > > > <%@ page contentType="text/html;charset=windows-1252"%> > > <%@ taglib uri=" http://java.sun.com/jsf/html"; prefix="h"%> > > <%@ taglib uri="http://java.sun.com/jsf/core"; prefix="f"%> > > <%@ taglib uri=" http://myfaces.apache.org/tomahawk " prefix="t"%> > > <f:view> > > <html> > > <head> > > <meta http-equiv="Content-Type" > > content="text/html; charset=windows-1252"/> > > <title>listaPacientes</title> > > </head> > > <body><h:form> > > <h:panelGroup id="body"> > > <t:dataTable id="data" styleClass="scrollerTable" > > headerClass="standardTable_Header" > > footerClass="standardTable_Header" > > > > rowClasses="standardTable_Row1,standardTable_Row2" > > > > columnClasses="standardTable_Column,standardTable_ColumnCentered,standardTable_Column" > > var="tablaPacientes" > > value="#{ PacienteBean.dataModel}" > > preserveDataModel="false" rows="2"> > > <h:column> > > <f:facet name="header"></f:facet> > > <h:outputText value="#{ > > tablaPacientes.numIdent}"/> > > </h:column> > > <h:column> > > <f:facet name="header"></f:facet> > > <h:outputText value="#{ > > tablaPacientes.nombre}"/> > > </h:column> > > </t:dataTable> > > <h:panelGrid columns="1" > > styleClass="scrollerTable2" > > > > columnClasses="standardTable_ColumnCentered"> > > <t:dataScroller id="scroll_1" for="data" > > fastStep="10" > > pageCountVar="pageCount" > > pageIndexVar="pageIndex" > > styleClass="scroller" > > paginator="true" > > paginatorMaxPages="9" > > > > paginatorTableClass="paginator" > > > > paginatorActiveColumnStyle="font-weight:bold;" > > immediate="true"> > > <f:facet name="first"> > > <t:graphicImage url="images/arrow- > > first.gif" > > border="1"/> > > </f:facet> > > <f:facet name="last"> > > <t:graphicImage url="images/arrow- > > last.gif" > > border="1"/> > > </f:facet> > > <f:facet name="previous"> > > <t:graphicImage url="images/arrow- > > previous.gif" > > border="1"/> > > </f:facet> > > <f:facet name="next"> > > <t:graphicImage url="images/arrow- > > next.gif" > > border="1"/> > > </f:facet> > > <f:facet name="fastforward"> > > <t:graphicImage url="images/arrow- > > ff.gif" > > border="1"/> > > </f:facet> > > <f:facet name="fastrewind"> > > <t:graphicImage url="images/arrow- > > fr.gif" > > border="1"/> > > </f:facet> > > </t:dataScroller> > > <t:dataScroller id="scroll_2" for="data" > > rowsCountVar="rowsCount" > > > > displayedRowsCountVar="displayedRowsCountVar" > > > > firstRowIndexVar="firstRowIndex" > > lastRowIndexVar="lastRowIndex" > > pageCountVar="pageCount" > > immediate="true" > > pageIndexVar="pageIndex"> > > <h:outputFormat > > value="#{example_messages[\'dataScroller_pages\']}" > > styleClass="standard"> > > <f:param value="#{rowsCount}"/> > > <f:param > > value="#{displayedRowsCountVar}"/> > > <f:param value="#{firstRowIndex}"/> > > <f:param value="#{lastRowIndex}"/> > > <f:param value="#{pageIndex}"/> > > <f:param value="#{pageCount}"/> > > </h:outputFormat> > > </t:dataScroller> > > </h:panelGrid> > > </h:panelGroup> > > <t:commandLink value="test" immediate="true"/> > > </h:form></body> > > </html> > > </f:view> > > Please help me with this, we are actually deciding which > > implementation of myfaces to use, and I really trust in apache work, I don´t > > want that other implementation be choose for our applications, thanks!!! > > > >
-- Dennis Byrne
