package com.github.dandelion.datatables.thymeleaf.processor.el;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.thymeleaf.Arguments;
import org.thymeleaf.dom.Element;
import org.thymeleaf.dom.Node;
import org.thymeleaf.processor.IElementNameProcessorMatcher;
import org.thymeleaf.processor.ProcessorResult;
import org.thymeleaf.util.DOMUtils;
import com.github.dandelion.datatables.core.html.ExtraHtml;
import com.github.dandelion.datatables.core.html.HtmlTable;
import com.github.dandelion.datatables.thymeleaf.dialect.DataTablesDialect;
import com.github.dandelion.datatables.thymeleaf.processor.AbstractElProcessor;
import com.github.dandelion.datatables.thymeleaf.processor.config.ConfType;
import com.github.dandelion.datatables.thymeleaf.util.DomUtils;
import com.github.dandelion.datatables.thymeleaf.util.RequestUtils;
/**
* <p>
* Element processor applied to the HTML {@code div} tag with the
* {@code tmp:internalUseExtraHtml} pair in order to finalize the configuration
* of an {@link ExtraHtml}.
*
* @author tduchateau
* @since 0.10.1
*/
public class DivExtraHtmlFinalizerElProcessor extends AbstractElProcessor {
private static Logger logger = LoggerFactory.getLogger(DivExtraHtmlFinalizerElProcessor.class);
public DivExtraHtmlFinalizerElProcessor(IElementNameProcessorMatcher matcher) {
super(matcher);
}
/**
* {@inheritDoc}
*/
@Override
public int getPrecedence() {
return 8005;
}
/**
* {@inheritDoc}
*/
@SuppressWarnings("unchecked")
protected ProcessorResult doProcessElement(Arguments arguments, Element element, HttpServletRequest request,
HttpServletResponse response, HtmlTable htmlTable) {
Map<String, Map<ConfType, Object>> configs = (Map<String, Map<ConfType, Object>>) RequestUtils.getFromRequest(
DataTablesDialect.INTERNAL_BEAN_CONFIGS, request);
String tableId = ((Element) element.getParent()).getAttributeValue(DataTablesDialect.DIALECT_PREFIX + ":conf");
String uid = element.getAttributeValue(DataTablesDialect.DIALECT_PREFIX + ":uid");
if (configs != null) {
if (configs.containsKey(tableId)) {
List<ExtraHtml> extraHtmls = (List<ExtraHtml>) configs.get(tableId).get(ConfType.EXTRAHTML);
if (extraHtmls != null && !extraHtmls.isEmpty()) {
for (ExtraHtml extraHtml : extraHtmls) {
if (extraHtml.getUid().equals(uid)) {
Element e = DomUtils.findElement((Element) element.getParent(), "div",
DataTablesDialect.DIALECT_PREFIX + ":uid", uid);
StringBuilder sb = new StringBuilder();
for (Node child : e.getChildren()) {
sb.append(DOMUtils.getHtml5For(child).replaceAll("[\n\r]", "").trim());
}
extraHtml.setContent(sb.toString());
}
}
}
}
else {
logger.warn("No configuration was found for the table with id '{}'", tableId);
}
}
return ProcessorResult.ok();
}
}