/**
* Passes attribute information up to the parent TableTag.
*
* <p>When we hit the end of the tag, we simply let our parent (which better be a TableTag) know
* what the user wants to do with this column. We do that by simple registering this tag with the
* parent. This tag's only job is to hold the configuration information to describe this
* particular column. The TableTag does all the work.
*
* @return int
* @throws JspException if this tag is being used outside of a <display:list...> tag.
* @see javax.servlet.jsp.tagext.Tag#doEndTag()
*/
public int doEndTag() throws JspException {
TableTag tableTag = getTableTag();
MediaTypeEnum currentMediaType =
(MediaTypeEnum) this.pageContext.findAttribute(TableTag.PAGE_ATTRIBUTE_MEDIA);
if (currentMediaType != null && !MediaUtil.availableForMedia(this, currentMediaType)) {
if (log.isDebugEnabled()) {
log.debug("skipping column body, currentMediaType=" + currentMediaType);
}
return SKIP_BODY;
}
// add column header only once
if (tableTag.isFirstIteration()) {
addHeaderToTable(tableTag);
}
if (!tableTag.isIncludedRow()) {
return super.doEndTag();
}
Cell cell = null;
if (this.property == null && this.value != null) {
cell = new Cell(value);
} else if (this.property == null && this.bodyContent != null) {
cell = new Cell(this.bodyContent.getString());
}
Object rowStyle = this.attributeMap.get(TagConstants.ATTRIBUTE_STYLE);
Object rowClass = this.attributeMap.get(TagConstants.ATTRIBUTE_CLASS);
if (rowStyle != null || rowClass != null) {
HtmlAttributeMap perRowValues = new HtmlAttributeMap();
if (rowStyle != null) {
perRowValues.put(TagConstants.ATTRIBUTE_STYLE, rowStyle);
}
if (rowClass != null) {
perRowValues.put(TagConstants.ATTRIBUTE_CLASS, rowClass);
}
if (cell == null) {
cell = new Cell(null);
}
cell.setPerRowAttributes(perRowValues);
}
tableTag.addCell(cell != null ? cell : Cell.EMPTY_CELL);
// cleanup non-attribute variables
this.alreadySorted = false;
return super.doEndTag();
}
/** @see javax.servlet.jsp.tagext.Tag#doStartTag() */
public int doStartTag() throws JspException {
TableTag tableTag = getTableTag();
if (tableTag == null) {
throw new TagStructureException(getClass(), "column", "table");
}
// If the list is empty, do not execute the body; may result in NPE
if (tableTag.isEmpty() || !tableTag.isIncludedRow()) {
return SKIP_BODY;
}
MediaTypeEnum currentMediaType =
(MediaTypeEnum) this.pageContext.findAttribute(TableTag.PAGE_ATTRIBUTE_MEDIA);
if (!MediaUtil.availableForMedia(this, currentMediaType)) {
return SKIP_BODY;
}
return super.doStartTag();
}
