private String getPreviousPageURL(Request request) {
// If our offset should be 0 then we shouldn't be able to view a previous page url
if (0 == queryArgs.getFacetOffset()) {
return null;
}
Map<String, String> parameters = new HashMap<String, String>();
parameters.put(FACET_FIELD, request.getParameter(FACET_FIELD));
if (queryArgs.getFacetOffset() != -1) {
parameters.put(OFFSET, String.valueOf(queryArgs.getFacetOffset() - DEFAULT_PAGE_SIZE));
}
// Add the filter queries
String url = generateURL("browse-discovery", parameters);
String[] fqs = getParameterFacetQueries();
if (fqs != null) {
StringBuilder urlBuilder = new StringBuilder(url);
for (String fq : fqs) {
urlBuilder.append("&fq=").append(fq);
}
url = urlBuilder.toString();
}
return url;
}
private String getNextPageURL(Request request) {
Map<String, String> parameters = new HashMap<String, String>();
parameters.put(FACET_FIELD, request.getParameter(FACET_FIELD));
if (queryArgs.getFacetOffset() != -1) {
parameters.put(OFFSET, String.valueOf(queryArgs.getFacetOffset() + DEFAULT_PAGE_SIZE));
}
// Add the filter queries
String url = generateURL("browse-discovery", parameters);
String[] fqs = getParameterFacetQueries();
if (fqs != null) {
StringBuilder urlBuilder = new StringBuilder(url);
for (String fq : fqs) {
urlBuilder.append("&fq=").append(fq);
}
url = urlBuilder.toString();
}
return url;
}
@Override
public void addBody(Body body)
throws SAXException, WingException, UIException, SQLException, IOException,
AuthorizeException {
Request request = ObjectModelHelper.getRequest(objectModel);
DSpaceObject dso = HandleUtil.obtainHandle(objectModel);
// Set up the major variables
// Collection collection = (Collection) dso;
// Build the collection viewer division.
// Make sure we get our results
queryResults = getQueryResponse(dso);
if (this.queryResults != null) {
Map<String, List<DiscoverResult.FacetResult>> facetFields =
this.queryResults.getFacetResults();
if (facetFields == null) {
facetFields = new LinkedHashMap<String, List<DiscoverResult.FacetResult>>();
}
// facetFields.addAll(this.queryResults.getFacetDates());
if (facetFields.size() > 0) {
String facetField =
String.valueOf(facetFields.keySet().toArray(new String[facetFields.size()])[0]);
java.util.List<DiscoverResult.FacetResult> values = facetFields.get(facetField);
if (values != null && 0 < values.size()) {
Division results = body.addDivision("browse-by-" + facetField + "-results", "primary");
results.setHead(
message(
"xmlui.ArtifactBrowser.AbstractSearch.type_"
+ request.getParameter(FACET_FIELD)
+ "_browse"));
// Find our faceting offset
int offSet = queryArgs.getFacetOffset();
if (offSet == -1) {
offSet = 0;
}
// Only show the nextpageurl if we have at least one result following our current results
String nextPageUrl = null;
if (values.size() == (DEFAULT_PAGE_SIZE + 1)) {
nextPageUrl = getNextPageURL(request);
}
results.setSimplePagination(
(int) queryResults.getDspaceObjects().size(),
offSet + 1,
(offSet + (values.size() - 1)),
getPreviousPageURL(request),
nextPageUrl);
Table singleTable =
results.addTable(
"browse-by-" + facetField + "-results",
(int) (queryResults.getDspaceObjects().size() + 1),
1);
List<String> filterQueries = new ArrayList<String>();
if (request.getParameterValues("fq") != null) {
filterQueries = Arrays.asList(request.getParameterValues("fq"));
}
for (int i = 0; i < values.size(); i++) {
DiscoverResult.FacetResult value = values.get(i);
String displayedValue = value.getDisplayedValue();
String filterQuery = value.getAsFilterQuery();
// if(field.getGap() != null){
// //We have a date get the year so we can display it
// DateFormat simpleDateformat = new
// SimpleDateFormat("yyyy");
// displayedValue =
// simpleDateformat.format(SolrServiceImpl.toDate(displayedValue));
// filterQuery =
// ClientUtils.escapeQueryChars(value.getFacetField().getName()) + ":" + displayedValue
// + "*";
// }
Cell cell = singleTable.addRow().addCell();
// No use in selecting the same filter twice
if (filterQueries.contains(filterQuery)) {
cell.addContent(displayedValue + " (" + value.getCount() + ")");
} else {
cell.addXref(
contextPath
+ (dso == null ? "" : "/handle/" + dso.getHandle())
+ "/discover?"
+ "&fq="
+ URLEncoder.encode(filterQuery, "UTF-8")
+ (request.getQueryString() != null ? "&" + request.getQueryString() : ""),
displayedValue + " (" + value.getCount() + ")");
}
}
}
}
}
// DSpaceObject dso = HandleUtil.obtainHandle(objectModel);
/*
if (dso != null)
{
if (dso instanceof Collection)
{
browseContext.addItem().addXref(contextPath + "/discovery/?q=search.resourcetype%3A2+AND+location%3Al" + dso.getID(), T_head_this_collection );
}
if (dso instanceof Community)
{
browseContext.addItem().addXref(contextPath + "/discovery/?q=search.resourcetype%3A2+AND+location%3Am" + dso.getID(), T_head_this_community );
}
}
browseGlobal.addItem().addXref(contextPath + "/discovery/?q=search.resourcetype%3A2", T_head_all_of_dspace );
*/
}