@Override
@SuppressWarnings("unchecked")
protected Map<String, String> getModifiedAttributeValues(
Arguments arguments, Element element, String attributeName) {
Map<String, String> attrs = new HashMap<String, String>();
BroadleafRequestContext blcContext = BroadleafRequestContext.getBroadleafRequestContext();
HttpServletRequest request = blcContext.getRequest();
String baseUrl = request.getRequestURL().toString();
Map<String, String[]> params = new HashMap<String, String[]>(request.getParameterMap());
String key = ProductSearchCriteria.SORT_STRING;
String sortField = element.getAttributeValue(attributeName);
List<String[]> sortedFields = new ArrayList<String[]>();
String[] paramValues = params.get(key);
if (paramValues != null && paramValues.length > 0) {
String sortQueries = paramValues[0];
for (String sortQuery : sortQueries.split(",")) {
String[] sort = sortQuery.split(" ");
if (sort.length == 2) {
sortedFields.add(new String[] {sort[0], sort[1]});
}
}
}
boolean currentlySortingOnThisField = false;
boolean currentlyAscendingOnThisField = false;
for (String[] sortedField : sortedFields) {
if (sortField.equals(sortedField[0])) {
currentlySortingOnThisField = true;
currentlyAscendingOnThisField = sortedField[1].equals("asc");
sortedField[1] = currentlyAscendingOnThisField ? "desc" : "asc";
}
}
String sortString = sortField;
String classString = "";
if (currentlySortingOnThisField) {
classString += "active ";
if (currentlyAscendingOnThisField) {
sortString += " desc";
classString += "asc ";
} else {
sortString += " asc";
classString += "desc ";
}
} else {
sortString += " asc";
classString += "asc ";
params.remove(ProductSearchCriteria.PAGE_NUMBER);
}
if (allowMultipleSorts) {
StringBuilder sortSb = new StringBuilder();
for (String[] sortedField : sortedFields) {
sortSb.append(sortedField[0]).append(" ").append(sortedField[1]).append(",");
}
sortString = sortSb.toString();
if (sortString.charAt(sortString.length() - 1) == ',') {
sortString = sortString.substring(0, sortString.length() - 1);
}
}
params.put(key, new String[] {sortString});
String url = ProcessorUtils.getUrl(baseUrl, params);
attrs.put("class", classString);
attrs.put("href", url);
return attrs;
}
