com.jcorporate.expresso.services.html
Class Radio

java.lang.Object
  com.jcorporate.expresso.services.html.HtmlElement
      com.jcorporate.expresso.services.html.Radio

public class Radio

extends HtmlElement

Encapsulates an HTML radio box on an HTML form

Version:

$Revision: 1.8 $ $Date: 2004/11/17 20:48:18 $

Author:

Michael P. Nash

Field Summary

Fields inherited from class com.jcorporate.expresso.services.html.HtmlElement

attributes, contents, cSSClass, cSSID

Constructor Summary

Radio(String newFieldName)
Constructor Create a new Radio list with the specified field name

Radio(String newFieldName, String newCurrentValue)
Create a drop down with the field name as given with a specific current value

Method Summary

void	addOption(String fieldValue, String fieldLabel) Add a new option to this radio
protected void	display(PrintWriter out, int depth) Display this Radio to the appropriate PrintWriter
void	setCurrentValue(String newCurrentValue) Set the currently selected value for this radio
void	setVertical(boolean state)

Methods inherited from class com.jcorporate.expresso.services.html.HtmlElement

add, display, finalize, getAttribute, getContentCount, getCSSClass, getName, padWithTabs, setAttribute, setCSSClass, setCSSID, setDisplayed, setName, setParent

Methods inherited from class java.lang.Object

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

Constructor Detail

Radio

public Radio(String newFieldName)
      throws HtmlException

Constructor Create a new Radio list with the specified field name

Parameters:

newFieldName - Field name of the new drop down, must not be null

Throws:

HtmlException - If the parameter is invalid

Radio

public Radio(String newFieldName,
             String newCurrentValue)
      throws HtmlException

Create a drop down with the field name as given with a specific current value

Parameters:

newFieldName - Field name of the new radio

newCurrentValue - Current value of the drop down (selected item)

Throws:

HtmlException - If the parameters are invalid

Method Detail

addOption

public void addOption(String fieldValue,
                      String fieldLabel)
               throws HtmlException

Add a new option to this radio

Parameters:

fieldValue - Value of the new option

fieldLabel - Label of the new option

Throws:

HtmlException - If the parameters are invalid

display

protected void display(PrintWriter out,
                       int depth)
                throws HtmlException

Display this Radio to the appropriate PrintWriter

Specified by:

display in class HtmlElement

Parameters:

depth - the number of tabs to indent

out - PrintWriter to display

Throws:

HtmlException - If the Radio cannot be displayed

setCurrentValue

public void setCurrentValue(String newCurrentValue)
                     throws HtmlException

Set the currently selected value for this radio

Parameters:

newCurrentValue - The value for this drop down

Throws:

HtmlException - If the parameter is invalid

setVertical

public void setVertical(boolean state)

Parameters:

state - set to true for vertical radio buttons