hirondelle.web4j.ui.tag
Class AlternatingRow

Object
  SimpleTagSupport
      hirondelle.web4j.ui.tag.TagHelper
          hirondelle.web4j.ui.tag.AlternatingRow

All Implemented Interfaces:

JspTag, SimpleTag

public final class AlternatingRow
extends TagHelper

Generate table rows which alternate in appearance, to increase legibility.

The body of this tag contains one or more TR tags. Each TR tag contains a class attribute, specifying a Cascading Style Sheet class. This tag will simply remove or update the class attribute for alternate occurrences of each TR tag found in its body.

If the optional altClass attribute is specified, then the class attribute of each TR is updated to an alternate value, instead of being removed.

Constructor Summary

AlternatingRow()

Method Summary

protected String	getEmittedText(String aOriginalBody) For each TR tag found in the body, remove or update the class attribute.
void	setAltClass(String aAltClass) Optional name of a CSS class.

Methods inherited from class hirondelle.web4j.ui.tag.TagHelper

checkForContent, crossCheckAttributes, doTag, getPageContext, getPageName, getRequest, getResponse

Methods inherited from class SimpleTagSupport

findAncestorWithClass, getJspBody, getJspContext, getParent, setJspBody, setJspContext, setParent

Methods inherited from class Object

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

Constructor Detail

AlternatingRow

public AlternatingRow()

Method Detail

setAltClass

public void setAltClass(String aAltClass)

Optional name of a CSS class.

The CSS class for each TR tag found in the body of this tag will be updated to this value, for alternating rows. If this item is not specified, then the TR's class attribute is simply removed instead of updated.

Parameters:

aAltClass - must have content.

getEmittedText

protected String getEmittedText(String aOriginalBody)
                         throws JspException,
                                IOException

For each TR tag found in the body, remove or update the class attribute.

If no altClass is specified, then the class attribute is simply removed entirely. Otherwise, it updated to the altClass value.

Specified by:

getEmittedText in class TagHelper

Parameters:

aOriginalBody - is the evaluated body of this tag. If there is no body, or if the body is present but empty, then it is null.

Returns:

the text to display in the resulting web page.

Throws:

JspException

IOException