PrimeFaces InputTextarea

PrimeFaces provides <p:inputTextarea> component to create a text area in JSF application. It is an extension of standard inputTextarea. It includes various features like: autoComplete, autoResize etc.

It also shows remaining characters information.

InputTextarea Attributes

The following table contains attributes for the InputTextarea component.

Attribute	Default value	Return type	Description
id	null	String	It is an unique identifier of the component.
rendered	true	Boolean	It renders boolean value to specify the rendering of the component.
binding	null	Object	It is used to set an el expression that maps to a server side UIComponent instance in a backing bean.
value	null	Object	It is used to hold value of the component.
converter	null	Converter/String	An el expression or a literal text that defines a converter for the component.
immediate	false	Boolean	It is used to set boolean value.
required	false	Boolean	It is used to make a component required.
validator	null	Method Expr	It is a method binding expression that refers to a method validation.
valueChangeListener	null	Method Expr	It is a method binding expression that refers to a method for handling a value change event.
requiredMessage	null	String	It is used to set message to be displayed when required field validation fails.
converterMessage	null	String	It is used to set message to be displayed when conversion fails.
validatorMessage	null	String	It is used to set message to be displayed when validation fields.
autocomplete	null	String	It is used to set autocomplete behavior.
size	null	Integer	It is used to set number of characters that determine the width of the input element.
style	null	String	It is used to set in line CSS for the input element.
autoResize	true	Boolean	It is used to set autoResize true or false.

Example

Here, in the following example, we are implementing <p:inputTextarea> component. This example contains the following files.

JSF File

// inputTextarea.xhtml

<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://xmlns.jcp.org/jsf/html"
xmlns:p="http://primefaces.org/ui">
<h:head>
<title>AutoComplete</title>
</h:head>
<h:body>
<h2>PrimeFaces Autocomplete TextArea</h2>
<h:outputText value="Enter JavaTpoint for sugessions" />
<h:form>
<p:inputTextarea rows="10" cols="50" completeMethod="#{autoCompleteTextArea.sugessions}" queryDelay="100" minQueryLength="1" />
</h:form>
</h:body>
</html>

ManagedBean

// AutoCompleteTextArea.java

package com.javatpoint;
import java.util.ArrayList;
import java.util.List;
import javax.faces.bean.ManagedBean;
@ManagedBean
public class AutoCompleteTextArea {
public List<String> sugessions(String str) {
List<String> results = new ArrayList<>();
if (str.equals("JavaTpoint")) {
results.add("JavaTpoint is a Tutorial Site.");
results.add("JavaTpoint is good to learn Java.");
results.add("JavaTpoint provides technical tutorials.");
results.add("JavaTpoint is easy to understand.");
results.add("JavaTpoint is developed by Sonoo Jaiswal!");
} else {
results.add("JavaTpoint "+str);
}
return results;
}
}

Output: