/** @return the filterNode */
public TreeNode getFilterNode() {
if (model != null && model.isInitialized()) {
Hierarchy hierarchy = getHierarchy();
if (filterNode == null && hierarchy != null) {
this.filterNode = new DefaultTreeNode();
filterNode.setExpanded(true);
List<Member> members;
boolean isMeasure;
try {
members = hierarchy.getRootMembers();
isMeasure = hierarchy.getDimension().getDimensionType() == Type.MEASURE;
} catch (OlapException e) {
throw new FacesException(e);
}
for (Member member : members) {
if (isMeasure && !member.isVisible()) {
continue;
}
MemberNode node = new MemberNode(member);
node.setNodeFilter(this);
node.setExpanded(true);
node.setSelectable(true);
node.setSelected(isSelected(member));
filterNode.getChildren().add(node);
}
List<TreeNode> initialSelection =
((DefaultTreeNode) filterNode)
.collectNodes(
new NodeCollector() {
@Override
public boolean collectNode(TreeNode node) {
return node.isSelected();
}
@Override
public boolean searchNode(TreeNode node) {
return node.isExpanded();
}
});
this.selection = initialSelection.toArray(new TreeNode[initialSelection.size()]);
}
} else {
this.filterNode = null;
}
return filterNode;
}
public void apply() {
List<Member> members = null;
if (selection != null) {
members = new ArrayList<Member>(selection.length);
for (TreeNode node : selection) {
MemberNode memberNode = (MemberNode) node;
members.add(memberNode.getObject());
}
}
ChangeSlicer transform = model.getTransform(ChangeSlicer.class);
transform.setSlicer(getHierarchy(), members);
}