Package org.apache.struts2.components

Class OptGroup

java.lang.Object

org.apache.struts2.components.Component

org.apache.struts2.components.OptGroup

public class OptGroup
extends Component

Create a optgroup component which needs to resides within a select tag.

This component is to be used within a Select component.

 

 <s:select label="My Selection"
            name="mySelection"
            value="%{'POPEYE'}"
            list="%{#{'SUPERMAN':'Superman', 'SPIDERMAN':'spiderman'}}">
    <s:optgroup label="Adult"
                 list="%{#{'SOUTH_PARK':'South Park'}}" />
    <s:optgroup label="Japanese"
                 list="%{#{'POKEMON':'pokemon','DIGIMON':'digimon','SAILORMOON':'Sailormoon'}}" />
 </s:select>

 
 

Field Summary

Fields

Modifier and Type	Field	Description
static final String	INTERNAL_LIST_UI_BEAN_LIST_PARAMETER_KEY
protected ListUIBean	internalUiBean
protected jakarta.servlet.http.HttpServletRequest	req
protected jakarta.servlet.http.HttpServletResponse	res

Fields inherited from class org.apache.struts2.components.Component

actionMapper, attributes, COMPONENT_STACK, devMode, escapeHtmlBody, performClearTagStateForTagPoolingServers, stack, standardAttributesMap, throwExceptionOnELFailure

Constructor Summary

Constructors

Constructor	Description
OptGroup(ValueStack stack, jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.http.HttpServletResponse res)

Method Summary

Modifier and Type	Method	Description
boolean	end(Writer writer, String body)	Callback for the end tag of this component.
void	setContainer(Container container)
void	setDisabled(String disabled)
void	setLabel(String label)
void	setList(Object list)
void	setListCssClass(String listCssClass)
void	setListCssStyle(String listCssStyle)
void	setListKey(String listKey)
void	setListTitle(String listTitle)
void	setListValue(String listValue)

Methods inherited from class org.apache.struts2.components.Component

addAllAttributes, addParameter, completeExpression, copyAttributes, determineActionURL, determineNamespace, end, escapeHtmlBody, fieldError, findAncestor, findString, findString, findValue, findValue, findValue, getAttributes, getComponentStack, getNamespace, getPerformClearTagStateForTagPoolingServers, getStack, getStandardAttributes, isAcceptableExpression, isValidTagAttribute, popComponentStack, setActionMapper, setDevMode, setEscapeHtmlBody, setNotExcludedAcceptedPatterns, setPerformClearTagStateForTagPoolingServers, setThrowExceptionsOnELFailure, setUrlHelper, start, stripExpression, toString, usesBody

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

INTERNAL_LIST_UI_BEAN_LIST_PARAMETER_KEY

public static final String INTERNAL_LIST_UI_BEAN_LIST_PARAMETER_KEY

See Also:

• Constant Field Values

req

protected jakarta.servlet.http.HttpServletRequest req

res

protected jakarta.servlet.http.HttpServletResponse res

internalUiBean

protected ListUIBean internalUiBean

Constructor Details

OptGroup

public OptGroup(ValueStack stack,
 jakarta.servlet.http.HttpServletRequest req,
 jakarta.servlet.http.HttpServletResponse res)

Method Details

setContainer

public void setContainer(Container container)

end

public boolean end(Writer writer,
 String body)

Description copied from class: Component

Callback for the end tag of this component. Should the body be evaluated again?
NOTE: will pop component stack.

Overrides:

end in class Component

Parameters:

writer - the output writer.

body - the rendered body.

Returns:

true if the body should be evaluated again

setLabel

public void setLabel(String label)

setDisabled

public void setDisabled(String disabled)

setList

public void setList(Object list)

setListKey

public void setListKey(String listKey)

setListValue

public void setListValue(String listValue)

setListCssClass

public void setListCssClass(String listCssClass)

setListCssStyle

public void setListCssStyle(String listCssStyle)

setListTitle

public void setListTitle(String listTitle)