de.must.appletserver

Class HTMLRadioButtonGroup

java.lang.Object

de.must.appletserver.HTMLRadioButtonGroup

public class HTMLRadioButtonGroup
extends java.lang.Object

A component to present a group of radio buttons.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	additionalTagFragments
protected java.lang.String	className
protected int	editBeginIndex

Constructor Summary

Constructors

Constructor and Description
HTMLRadioButtonGroup(java.lang.String[] keys, java.lang.String[] labels)
HTMLRadioButtonGroup(java.lang.String name, java.lang.String[] keys, java.lang.String[] labels)

Method Summary

Modifier and Type	Method and Description
void	fetchYourValueFromRequest(GeneralizedRequest request) Causes the component to read user input by calling request.getParameter and update the internal mirrored value.
java.lang.String	getCreationTag() Returns the tag sequence that's needed to show this object in the user interface.
int	getSelectedIndex() Returns the index of the currently selected item.
java.lang.String	getSelectedKey() Returns the key of the currently selected item.
boolean	isModified() Indicates whether the component's value differs from its initial value.
void	selectFirstEnabledItem() Selects the first of all enabled items.
void	setEnabled(boolean enabled) Enables or disables all items.
void	setEnabled(int anIndex, boolean enabled) Enables or disables an item by index.
void	setSelectedIndex(int anIndex) Selects the item at index.
void	setSelectedKey(java.lang.String key) Selects the item by its key.

Methods inherited from class java.lang.Object

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

Field Detail

className

protected java.lang.String className

additionalTagFragments

protected java.lang.String additionalTagFragments

editBeginIndex

protected int editBeginIndex

Constructor Detail

HTMLRadioButtonGroup

public HTMLRadioButtonGroup(java.lang.String[] keys,
                            java.lang.String[] labels)

HTMLRadioButtonGroup

public HTMLRadioButtonGroup(java.lang.String name,
                            java.lang.String[] keys,
                            java.lang.String[] labels)

Method Detail

setEnabled

public void setEnabled(boolean enabled)

Enables or disables all items.

Parameters:

enabled - whether the items should be enabeld or not

setEnabled

public void setEnabled(int anIndex,
                       boolean enabled)

Enables or disables an item by index.

Parameters:

anIndex - an int specifying the item to select, where 0 specifies

enabled - whether the item should be enabled or not

selectFirstEnabledItem

public void selectFirstEnabledItem()

Selects the first of all enabled items.

setSelectedKey

public void setSelectedKey(java.lang.String key)

Selects the item by its key.

Parameters:

key - the key of the item to select

setSelectedIndex

public void setSelectedIndex(int anIndex)

Selects the item at index.

Parameters:

anIndex - an int specifying the item to select, where 0 specifies the first item

getSelectedIndex

public int getSelectedIndex()

Returns the index of the currently selected item. Returns -1 if there is no selected item.

Returns:

the index of the currently selected item

getSelectedKey

public java.lang.String getSelectedKey()

Returns the key of the currently selected item. Returns null if there is no selected item.

Returns:

the index of the currently selected item

getCreationTag

public java.lang.String getCreationTag()

Returns the tag sequence that's needed to show this object in the user interface.

Returns:

the tag sequence to show the component

fetchYourValueFromRequest

public void fetchYourValueFromRequest(GeneralizedRequest request)

Causes the component to read user input by calling request.getParameter and update the internal mirrored value.

Parameters:

request - the current request

isModified

public boolean isModified()

Indicates whether the component's value differs from its initial value.

Returns:

true if the component's value differs from its initial value