In the previous JSF 2 dataTable sorting example, showed the simplest way, a custom comparator to sort a list and display in dataTable. DataModel Decorator In this example, it shows another way to sort the list in dataTable, which is mentioned in the “Core JavaServer Faces (3rd Edition)“, called DataModel Decorator. 1. DataModel Create a […]
Here’s the idea to sort a JSF dataTable list : 1. Column Header Put a commandLink in the column header, if this link is clicked, sort the dataTable list. <h:column> <f:facet name="header"> <h:commandLink action="#{order.sortByOrderNo}"> Order No </h:commandLink> </f:facet> #{o.orderNo} </h:column> 2. Implementation In the managed bean, uses Collections.sort() and custom comparator to sort the list. […]
JSF dataTable does not contains any method to display the currently selected row numbers. However, you can hack it with javax.faces.model.DataModel class, which has a getRowIndex() method to return the currently selected row number. JSF + DataModel Here’s a JSF 2.0 example to show you how to use DataModel to return the currently selected row […]
This example is enhancing the previous JSF 2 dataTable example, by adding a “delete” function to delete the row in dataTable. Delete Concept The overall concept is quite simple : 1. Assign a “Delete” link to the end of each row. //… <h:dataTable value="#{order.orderList}" var="o"> <h:column> <f:facet name="header">Action</f:facet> <h:commandLink value="Delete" action="#{order.deleteAction(o)}" /> </h:column> 2. If […]
This example is enhancing previous delete dataTable row example, by adding a “add” function to add a row in dataTable. Here’s a JSF 2.0 example to show you how to add a row in dataTable. 1. Managed Bean A managed bean named “order”, self-explanatory. package com.mkyong; import java.io.Serializable; import java.math.BigDecimal; import java.util.ArrayList; import java.util.Arrays; import […]
This example is enhancing the previous JSF 2 dataTable example, by adding a “update” function to update row in dataTable. Update Concept The overall concept is quite simple : 1. Add a “ediatble” property to keep track the row edit status. //… public class Order{ String orderNo; String productName; BigDecimal price; int qty; boolean editable; […]
In JSF, “h:dataTable” tag is used to display data in a HTML table format. The following JSF 2.0 example show you how to use “h:dataTable” tag to loop over an array of “order” object, and display it in a HTML table format. 1. Project Folder Project folder structure of this example. 2. Managed bean A […]