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### 6.10.7. <rich:panelMenuGroup> available since 3.1.0

expand all

#### 6.10.7.1. Description

The <rich:panelMenuGroup> defines an expandable group of <rich:panelMenuItem> components inside the <rich:panelMenu>.

Figure 6.86. The <rich:panelMenuGroup> component

#### 6.10.7.2. Key Features

- Different submission modes inside every group

- Optional submissions on expand/collapse

- Supports predefined and custom icons

- Can be disabled

- Has customizable look-and-feel

#### 6.10.7.3. Details of Usage

All attributes except "label" are optional. The "label" attribute defines text to be represented.

Switching mode could be chosen with the"expandMode" attribute for the concrete panelMenu group. The "expandMode" attribute could be used with three possible parameters:

- `ServerM` (default) — regular form submission request is used;

- `Ajax` — Ajax submission is used for switching;

- `None`.

"Action" and "actionListener" attributes are ignored. Items don't fire any submits itself. Behavior is fully defined by the components nested into items.

There are three icon-related attributes. The "iconExpanded" attribute defines an icon for an expanded state. The "iconCollapsed" attribute defines an icon for a collapsed state. The "iconDisabled" attribute defines an icon for a disabled state. Default icons are shown on the picture below:

Figure 6.87. Default icons

Here is an example:

    ...

    <rich:panelMenu>

            <rich:panelMenuGroup label="Group1" iconExpanded="disc" iconCollapsed="chevron">

                    <!--Nested panelMenu components-->

            </rich:panelMenuGroup>

    </rich:panelMenu>

    ...

As the result the pictures are shown below. The first one represents the collapsed state, the second one - expanded state:

Figure 6.88. Collapsed state

Figure 6.89. Expanded state

It's also possible to define a path to the icon. Simple code is placed below.

    ...

    <rich:panelMenu>

            <rich:panelMenuGroup label="Group1" iconExpanded="\images\img1.png" iconCollapsed="\images\img2.png">

                        <!--Nested menu components-->

            </rich:panelMenuGroup>

    </rich:panelMenu>

    ...

Information about the "process" attribute usage you can find "Decide what to process" guide section.

#### 6.10.7.4. Reference Data

Table of <rich:panelMenuGroup> attributes.

Table 6.124. Component Identification Parameters

Name | Value
--- | ---
component-type | org.richfaces.PanelMenuGroup
component-class | org.richfaces.component.html.HtmlPanelMenuGroup
component-family | org.richfaces.PanelMenuGroup
renderer-type | org.richfaces.PanelMenuGroupRenderer
tag-class | org.richfaces.taglib.PanelMenuGroupTag

Table 6.125. JavaScript API

Function | Description
--- | ---
expand() | Expands group
collapse() | Collapses group

Table 6.126. Style classes (selectors) and mapped skin parameters

Class name | Description | Skin parameter | CSS property
--- | --- | --- | ---
.rich-pmenu-disabled-element | Defines styles for panel menu disabled element | tabDisabledTextColor | color
.rich-pmenu-group | Defines styles for panel menu group | generalTextColor | color
headerFamilyFont | font-family
headerSizeFont | font-size
headerWeightFont | font-weight
tableBorderColor | border-top-color
.rich-pmenu-hovered-element | Defines styles for panel menu hevered element | additionalBackgroundColor | background-color
.rich-pmenu-top-group | Defines styles for a top group element of a component | generalFamilyFont | font-family
headerSizeFont | font-size
headerTextColor | color
headerWeightFont | font-weight
headerBackgroundColor | background-color
.rich-pmenu-top-group-div | Defines styles for a top group div element of a component | panelBorderColor | border-color

Table 6.127. Internal style classes (selectors)

Class name (selector) | Description
--- | ---
.rich-pmenu-disabled-element | Defines styles for panel menu disabled element
.rich-pmenu-group | Defines styles for panel menu group
.rich-pmenu-group-self-label | Defines styles for panel menu group label
.rich-pmenu-nowrap | Defines styles for panel menu wrapper
.rich-pmenu-top-group | Defines styles for panel menu top group element
.rich-pmenu-top-group-div | Defines styles for panel menu top group div element

You can find all necessary information about style classes redefinition in Definition of Custom Style Classes section.

#### 6.10.7.5. Relevant Resources Links

Visit panelMenuGroup page at RichFaces LiveDemo for examples of component usage and their sources..

If you have any questions or ideas regarding the <rich:panelMenuGroup> tell about them at the RichFaces Users Forum.

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