public PagerItem[] getItems(int startIdx, int numItems) throws Exception {
// System.err.println( "getItems(): startIdx = " + startIdx +
// ", numItems = " + numItems );
int pis = startIdx + numItems;
_sc.setStartAt(new Integer(startIdx + 1));
_sc.setMaxRecordset(new Integer(numItems));
SearchResult sr = _cache.get(_sc);
if (sr == null) {
sr = _sc.search();
_cache.put(_sc, sr);
}
_objects = Arrays.asList(sr.getResultSet());
// System.err.println( "_objects.size() = " + _objects.size() );
pis = Math.min(_objects.size(), numItems);
if (pis < 0) {
pis = 0;
}
// System.err.println( "pis = " + pis );
PagerItem[] items = new PagerItem[pis];
SearchableObject so = _sod.getSearchableObject(_sc.getBeanName());
for (int i = 0; i < items.length; i++) {
// Object obj = _objects.get( startIdx + i );
Object obj = _objects.get(i);
Object idObj = CaBIOUtils.getProperty(obj, "id");
String id = (idObj != null ? idObj.toString() : "");
// System.err.println( "creating pi for " + obj.getClass().getName() + ":" + id );
List labelProps = so.getLabelProperties();
List assocs = getNavigableAssociations(so);
List vals = new ArrayList();
for (ListIterator j = labelProps.listIterator(); j.hasNext(); ) {
Object val = CaBIOUtils.getProperty(obj, ((String) j.next()).trim());
if (val != null) {
vals.add(val.toString());
} else {
vals.add("");
}
}
if (_eventHandler != null) {
for (ListIterator j = assocs.listIterator(); j.hasNext(); ) {
Association assoc = (Association) j.next();
vals.add(
"<a href=\"javascript:"
+ _eventHandler
+ "('"
+ obj.getClass().getName()
+ "', '"
+ id
+ "', '"
+ assoc.getRole()
+ "')\">"
+ assoc.getLabel()
+ getCountString(obj, assoc.getRole())
+ "</a>");
}
}
items[i] = new PagerItemImpl(id, (String[]) vals.toArray(new String[vals.size()]));
}
return items;
}
protected List getNavigableAssociations(SearchableObject so) {
List results = new ArrayList();
List assocs = so.getAssociations();
for (Iterator i = assocs.iterator(); i.hasNext(); ) {
Association a = (Association) i.next();
if (a.getNavigable()) {
results.add(a);
}
}
return results;
}
protected void initHeaders() {
List h = new ArrayList();
if (_sod == null) {
throw new RuntimeException("sod is null");
}
if (_sc == null) {
throw new RuntimeException("search criteria is null");
}
String beanName = _sc.getBeanName();
if (beanName.endsWith("Impl")) {
beanName = beanName.substring(0, beanName.indexOf("Impl"));
}
SearchableObject so = _sod.getSearchableObject(beanName);
if (so == null) {
throw new RuntimeException("Couldn't find so for " + beanName);
}
List labelProps = so.getLabelProperties();
for (Iterator it = labelProps.iterator(); it.hasNext(); ) {
String propName = (String) it.next();
Attribute att = _sod.getAttribute(so, propName);
if (att == null) {
throw new RuntimeException(
"CaBIOPagerDataSource.init(): couldn't find attribute "
+ propName
+ " on "
+ so.getClassname());
}
h.add(att.getLabel());
}
if (_eventHandler != null) {
List assocs = getNavigableAssociations(so);
for (Iterator it = assocs.iterator(); it.hasNext(); ) {
Association assoc = (Association) it.next();
h.add(assoc.getLabel());
}
}
_headers = (String[]) h.toArray(new String[h.size()]);
}
