private void applyConstraint() {
filteredSize = 0;
ListModel filteredListModel = getFilteredModel();
for (int i = 0, size = filteredListModel.getSize(); i < size; i++) {
Object element = filteredListModel.getElementAt(i);
if (constraint.test(element)) {
indexes[filteredSize++] = i;
onMatchingElement(element);
}
}
postConstraintApplied();
}
/**
* Defines the constraint which is applied to the list model elements
*
* @param constraint the constraint to set
* @throws IllegalArgumentException if constraint is null
*/
public final void setConstraint(Constraint constraint) {
Assert.notNull(constraint);
if (!constraint.equals(this.constraint)) {
if (this.constraint instanceof Observable) {
((Observable) constraint).deleteObserver(this);
}
this.constraint = constraint;
if (constraint instanceof Observable) {
((Observable) constraint).addObserver(this);
}
fireContentsChanged(this, -1, -1);
}
}