# a4j

## Tag outputPanel

- Description:

    The <a4j:outputPanel> component is used to group together components in to update them as a whole, rather than having to specify the components individually.

    @author asmirnov@exadel.com

- Component Information
  Info | Value
  --- | ---
  Component Type | `org.richfaces.OutputPanel`
  Display Name | None
  Handler Class | None
  Renderer Type | `org.richfaces.OutputPanelRenderer`
  Description | The <a4j:outputPanel> component is used to group together components in to update them as a whole, rather than having to specify the components individually. @author asmirnov@exadel.com

- Attributes
  Name | Required | Type | Description
  --- | --- | --- | ---
  `ajaxRendered` | `false` | `javax.el.ValueExpression` (must evaluate to `boolean`) | Defines, whether the content of this component must be (or not) included in AJAX response created by parent AJAX Container, even if it is not forced by reRender list of ajax action. Ignored if component marked to output by some Ajax action component.
  `binding` | `false` | `javax.el.ValueExpression` (must evaluate to `javax.faces.component.UIComponent`) | The value binding expression used to wire up this component to a component property of a JavaBean class
  `dir` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Direction indication for text that does not inherit directionality. Valid values are "LTR" (left-to-right) and "RTL" (right-to-left).
  `id` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | The component identifier for this component. This value must be unique within the closest parent component that is a naming container.
  `keepTransient` | `false` | `javax.el.ValueExpression` (must evaluate to `boolean`) | Flag to mark all child components to non-transient. If true, all children components will be set to non-transient state and keep in saved components tree. For output in self-renderer region all content ( By default, all content in tags and non-jsf elements in facelets, marked as transient - since, self-rendered ajax regions don't plain output for ajax processing ).
  `lang` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Code describing the language used in the generated markup for this component.
  `layout` | `false` | `javax.el.ValueExpression` (must evaluate to `org.richfaces.component.OutputPanelLayout`) | HTML layout for generated markup. Possible values: "block" for generating an HTML <div> element and "inline" for generating an HTML <span> element. Default value is "inline"
  `onclick` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Javascript code executed when a pointer button is clicked over this element.
  `ondblclick` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Javascript code executed when a pointer button is double clicked over this element.
  `onkeydown` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Javascript code executed when a key is pressed down over this element.
  `onkeypress` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Javascript code executed when a key is pressed and released over this element.
  `onkeyup` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Javascript code executed when a key is released over this element.
  `onmousedown` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Javascript code executed when a pointer button is pressed down over this element.
  `onmousemove` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Javascript code executed when a pointer button is moved within this element.
  `onmouseout` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Javascript code executed when a pointer button is moved away from this element.
  `onmouseover` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Javascript code executed when a pointer button is moved onto this element.
  `onmouseup` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Javascript code executed when a pointer button is released over this element.
  `rendered` | `false` | `javax.el.ValueExpression` (must evaluate to `boolean`) | Flag indicating whether or not this component should be rendered (during Render Response Phase), or processed on any subsequent form submit. The default value for this property is true.
  `style` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | CSS style(s) to be applied when this component is rendered.
  `styleClass` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Space-separated list of CSS style class(es) to be applied when this element is rendered. This value must be passed through as the "class" attribute on generated markup.
  `title` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Advisory title information about markup elements generated for this component.

Output generated by Vdldoc View Declaration Language Documentation Generator.