private DefaultMutableTreeNode newTreeNode(Study study, VDC vdc) {
String url = null;
if (studyUrl != null) {
url =
appendParameterToUrl("/dvn/dv/" + vdc.getAlias() + studyUrl, "studyId=" + study.getId());
}
StudyUI studyUI = new StudyUI(study);
String studyText = studyUI.getMetadata().getTitle();
if (!StringUtil.isEmpty(studyUI.getAuthors())) {
studyText += " by " + studyUI.getAuthors();
}
return newTreeNode(studyText, url, false);
}
private Boolean addCollectionNode(
DefaultMutableTreeNode parentNode, VDCCollection c, VDC vdc, boolean alwaysInclude) {
boolean includeFlag = alwaysInclude;
boolean expandFlag = expandAll;
int studyCount = 0;
DefaultMutableTreeNode collectionNode = newTreeNode(c, vdc);
CollectionUI collUI = new CollectionUI(c);
Collection subCollections = collUI.getSubCollections();
for (Iterator it = subCollections.iterator(); it.hasNext(); ) {
getNodeObject(collectionNode).setLeaf(false);
VDCCollection subColl = (VDCCollection) it.next();
Boolean expanded = addCollectionNode(collectionNode, subColl, vdc, false);
if (expanded != null) {
includeFlag = true;
expandFlag = expanded ? true : expandFlag;
}
}
// check if collection should be included (and determine count)
if (studyFilter == null) {
includeFlag = true;
} else {
Iterator studyIter = studyFilter.iterator();
while (studyIter.hasNext()) {
Study study = (Study) studyIter.next();
if (isStudyInCollection(study, c, true)) {
studyCount++;
}
}
if (studyCount > 0) {
includeFlag = true;
}
}
if (includeFlag) {
if (c.getId().equals(collectionToBeExpanded)) {
expandFlag = true;
}
// get studies, if need be
if (includeStudies) {
Iterator studyIter = collUI.getStudies().iterator();
while (studyIter.hasNext()) {
Study s = (Study) studyIter.next();
if (studyFilter == null || StudyUI.isStudyInList(s, studyFilter)) {
DefaultMutableTreeNode studyNode = newTreeNode(s, vdc);
getNodeObject(collectionNode).setLeaf(false);
collectionNode.add(studyNode);
}
}
}
if (includeCount && studyFilter != null) {
getNodeObject(collectionNode)
.setText(getNodeObject(collectionNode).getText() + " (" + studyCount + ")");
}
getNodeObject(collectionNode).setExpanded(expandFlag);
parentNode.add(collectionNode);
return expandFlag;
} else {
// this collection is not included
return null;
}
}