SortModel sortModel = dgm.getState().getSortModel();
InternalStringBuilder builder = new InternalStringBuilder();
AbstractRenderAppender appender = new StringBuilderRenderAppender(builder);
TagRenderingBase imageRenderer = TagRenderingBase.Factory.getRendering(TagRenderingBase.IMAGE_TAG, request);
TagRenderingBase anchorRenderer = TagRenderingBase.Factory.getRendering(TagRenderingBase.ANCHOR_TAG, request);
AnchorTag.State aTag = new AnchorTag.State();
ImageTag.State imgTag = new ImageTag.State();
SortDirection sortDirection = sortModel.getSortDirection(cellModel.getSortExpression());
/* build icon for existing sort */
if(sortModel.isSorted(cellModel.getSortExpression()))
imgTag.src = dgm.getResourcePath() + dgm.getSortImagePath(sortDirection);
else
imgTag.src = dgm.getResourcePath() + dgm.getDefaultSortImagePath();
imgTag.registerAttribute(AbstractHtmlState.ATTR_GENERAL, HtmlConstants.BORDER, "false");
Map queryParams = dgm.getUrlBuilder().buildSortQueryParamsMap(cellModel.getSortExpression());
String href = null;
try {
href = JspUtil.createURL(cellModel.getSortHref(),
cellModel.getSortAction(),
null,
cellModel.getScopeId(),
queryParams,
dgm.getJspContext());
}
catch(URISyntaxException use) {
String message = Bundle.getErrorString("Rendering_URLException", new Object[]{cellModel.getSortHref(), cellModel.getSortAction()});
if(LOGGER.isErrorEnabled())
LOGGER.error(message, use);
throw new CellDecoratorException(message, use);
}
aTag.href = href;
anchorRenderer.doStartTag(appender, aTag);
imageRenderer.doStartTag(appender, imgTag);
imageRenderer.doEndTag(appender);
anchorRenderer.doEndTag(appender);
return builder.toString();
}