protected void filterVisuals() {
if (getGraphControl() == null) {
return;
}
Object[] filtered = getFilteredChildren(getInput());
SimpleGraphComparator comparator = new SimpleGraphComparator();
TreeSet filteredElements = new TreeSet(comparator);
TreeSet unfilteredElements = new TreeSet(comparator);
List connections = getGraphControl().getConnections();
List nodes = getGraphControl().getNodes();
if (filtered.length == 0) {
// set everything to invisible.
// @tag zest.bug.156528-Filters.check : should we only filter out
// the nodes?
for (Iterator i = connections.iterator(); i.hasNext(); ) {
GraphConnection c = (GraphConnection) i.next();
c.setVisible(false);
}
for (Iterator i = nodes.iterator(); i.hasNext(); ) {
GraphNode n = (GraphNode) i.next();
n.setVisible(false);
}
return;
}
for (Iterator i = connections.iterator(); i.hasNext(); ) {
GraphConnection c = (GraphConnection) i.next();
if (c.getExternalConnection() != null) {
unfilteredElements.add(c);
}
}
for (Iterator i = nodes.iterator(); i.hasNext(); ) {
GraphNode n = (GraphNode) i.next();
if (n.getData() != null) {
unfilteredElements.add(n);
}
}
for (int i = 0; i < filtered.length; i++) {
Object modelElement = connectionsMap.get(filtered[i]);
if (modelElement == null) {
modelElement = nodesMap.get(filtered[i]);
}
if (modelElement != null) {
filteredElements.add(modelElement);
}
}
unfilteredElements.removeAll(filteredElements);
// set all the elements that did not pass the filters to invisible, and
// all the elements that passed to visible.
while (unfilteredElements.size() > 0) {
GraphItem i = (GraphItem) unfilteredElements.first();
i.setVisible(false);
unfilteredElements.remove(i);
}
while (filteredElements.size() > 0) {
GraphItem i = (GraphItem) filteredElements.first();
i.setVisible(true);
filteredElements.remove(i);
}
}
