Datatable con paginacion
Pasos:
Definir el Interfaces
public interface IController <T> {
public String open();
public String prepareNew();
public String verifyNew();
public void reset();
public String showAll();
public String save();
public String query();
public String edit();
public String remove();
public String remove(Object item);
public String delete();
public String deleteAll();
public String print();
public String printAll();
public String prepareEdit();
public void handleSelect(SelectEvent event);
public String last();
public String first();
public String next();
public String back();
public String skip(Integer page);
public void move();
}Definir atributos en el controller
Integer page = 1;
Integer rowPage = 2;
List<Integer> pages = new ArrayList<>();
//DataModel
private BodegaDataModel bodegaDataModel;
//List
List<Bodega> bodegaList = new ArrayList<>();
List<Bodega> bodegaFiltered = new ArrayList<>();Generar set/get
El método getPages() cargar una lista de las paginas
public List<Integer> getPages() {
pages = new ArrayList<>();
Integer size = bodegaFacade.sizeOfPage(rowPage);
for (int i = 1; i <= size; i++) {
pages.add(new Integer(i));
}
return pages;
}
public void setPages(List<Integer> pages) {
this.pages = pages;
}
public Integer getPage() {
return page;
}
public void setPage(Integer page) {
this.page = page;
}
public Integer getRowPage() {
return rowPage;
}
public void setRowPage(Integer rowPage) {
this.rowPage = rowPage;
}Metodo init() , invocar bodegaList = bodegaFacade.findPagination(page, rowPage);
@PostConstruct
public void init() {
try {
found = false;
forsearch = false;
bodegaList = new ArrayList<>();
bodegaFiltered = new ArrayList<>();
bodega = new Bodega();
String idbodega = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap().get("idbodega");
if (idbodega != null) {
Optional<Bodega> optional = bodegaFacade.find("idbodega", idbodega);
if (optional.isPresent()) {
bodega = optional.get();
bodegaSelected = bodega;
found = true;
forsearch = true;
writable = true;
RequestContext.getCurrentInstance().update(":form:content");
}
} else {
bodegaList = bodegaFacade.findPagination(page, rowPage);
bodegaFiltered = bodegaList;
}
bodegaDataModel = new BodegaDataModel(bodegaList);
} catch (Exception e) {
JsfUtil.errorMessage("init() " + e.getLocalizedMessage());
}
}// </editor-fold>Crear métodos
@Override
public String last() {
try {
page = bodegaFacade.sizeOfPage(rowPage);
move();
} catch (Exception e) {
JsfUtil.errorMessage("last() " + e.getLocalizedMessage());
}
return "";
}
@Override
public String first() {
try{
page = 1;
move();
} catch (Exception e) {
JsfUtil.errorMessage("first() " + e.getLocalizedMessage());
}
return "";
}
@Override
public String next() {
try {
if (page < (bodegaFacade.sizeOfPage(rowPage))) {
page++;
}
move();
} catch (Exception e) {
JsfUtil.errorMessage("next() " + e.getLocalizedMessage());
}
return "";
}
@Override
public String back() {
try {
if (page > 1) {
page--;
}
move();
} catch (Exception e) {
JsfUtil.errorMessage("back() " + e.getLocalizedMessage());
}
return "";
}
@Override
public String skip(Integer page) {
try {
this.page = page;
move();
} catch (Exception e) {
JsfUtil.errorMessage("skip() " + e.getLocalizedMessage());
}
return "";
}
@Override
public void move() {
try {
bodegaList = bodegaFacade.findPagination(page, rowPage);
bodegaFiltered = bodegaList;
bodegaDataModel = new BodegaDataModel(bodegaList);
} catch (Exception e) {
JsfUtil.errorMessage("move() " + e.getLocalizedMessage());
}
}Pagina, crear los botones, datatable y el selectOneMenu
<p:dataTable id="dataTable" var="item"
value="#{bodegaController.bodegaDataModel}"
selectionMode="single"
widgetVar="widgetDataTable"
selection="#{bodegaController.bodegaSelected}"
filteredValue="#{bodegaController.bodegaFiltered}"
rowKey="#{item.idbodega}"
rows="15"
paginator="true" paginatorTemplate="{CurrentPageReport} {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}"
rowsPerPageTemplate="5,10,15" emptyMessage="#{app['info.datatableempty']}" reflow="true">
<f:facet name="header">
<!--<p:panelGrid columns="4">-->
<p:outputPanel>
<p:commandButton class="btnn btnn-primary" icon="fa fa-step-backward" title="Inicio"
oncomplete="remoteshowall();"
action="#{bodegaController.first()}" update=":form:dataTable " />
<p:commandButton class="btnn btnn-primary" icon="fa fa-caret-left" title="Anterior"
oncomplete="remoteshowall();"
action="#{bodegaController.back()}" update=":form:dataTable " />
<p:commandButton class="btnn btnn-primary" icon="fa fa-play" title="Siguiente"
oncomplete="remoteshowall();"
action="#{bodegaController.next()}" update=":form:dataTable " />
<p:commandButton class="btnn btnn-primary" icon="fa fa-step-forward" title="Fin"
oncomplete="remoteshowall();"
action="#{bodegaController.last()}" update=":form:dataTable " />
<p:selectOneMenu id="pages" value="#{bodegaController.page}" effect="fold" editable="false">
<f:selectItems value="#{bodegaController.pages}" />
<p:ajax process="pages" event="change"
oncomplete="remoteshowall();"
update=":form:dataTable"
listener="#{bodegaController.skip(bodegaController.page)}"/>
</p:selectOneMenu>
<p:link class="fa fa-file-text-o btnn btnn-primary" title="#{app['button.records']}" outcome="/pages/bodega/view" />
<p:commandButton icon="fa fa-print" style="max-width:160px;" class="btnn btnn-primary" title="#{app['button.print']}"
process=":form:content"
action="#{bodegaController.printAll()}"
ajax="false"
update=":form:content" />
<p:remoteCommand update=":form:content :form:content"
name="remoteshowall" />
<!--</p:panelGrid>-->
<div class="searchLoader">
<p:graphicImage name="/img/search-loader.gif"/>
</div>
<input type="text" jsf:id="globalFilter" jsf:onkeyup="PF('widgetDataTable').filter()" class="search" placeholder="#{app['button.search']}"/>
</p:outputPanel>
</f:facet>
<p:ajax event="rowSelect" update=":form:bodegaDetaill" oncomplete="PF('bodegaDialog').show()" />
<p:column headerText="#{msg['field.idbodega']}" filterBy="#{item.idbodega}"
sortBy="#{item.idbodega}" filterMatchMode="contains" >
<h:outputText value="#{item.idbodega}" />
</p:column>
<p:column headerText="#{msg['field.direccion']}" filterBy="#{item.direccion}"
sortBy="#{item.direccion}" filterMatchMode="contains" >
<h:outputText value="#{item.direccion}" />
</p:column>
<p:column headerText="#{msg['field.telefono']}" filterBy="#{item.telefono}"
sortBy="#{item.telefono}" filterMatchMode="contains" >
<h:outputText value="#{item.telefono}" />
</p:column>
<p:column style="width:32px;text-align: center">
<p:commandButton update=":form:bodegaDetaill"
class="btnn btnn-primary"
icon="fa fa-server"
title="#{msg['button.etiqueta']}"
action="#{bodegaController.prepareEdit()}"
oncomplete="PF('bodegaDialog').show()" >
<f:param name="idbodega" value="#{item.idbodega}"/>
</p:commandButton>
</p:column>
<p:column style="width:32px;text-align: center">
<p:commandButton class="btnn btnn-danger"
rendered="#{applicationMenu.bodega.delete}"
icon="fa fa-trash-o"
title="#{app['button.delete']}"
process=":form:content :form:dataTable"
action="#{bodegaController.remove(item)}"
update=":form:content" >
<p:confirm header="#{app['dialog.delete']}" message="#{app['info.doyouwantdelete']}" icon="ui-icon-alert" />
</p:commandButton>
</p:column>
</p:dataTable>Last updated
