Bug 291755 [Filters] Filters implementation and API cleanup
This bug is raised to track reviewing and cleanup of filters API and implementation.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ResourceFilterGroup.java
child.parent = null;
		serializeChildren();
	}
	protected void serializeChildren() {
		initializeChildren();
		argumentsChanged();
	}
	protected void argumentsChanged() {
		initializeChildren();
		if (children != null)
			arguments = CompoundResourceFilter
					.serialize((FilterCopy[]) children
							.toArray(new FilterCopy[0]));
		FilterCopy up = parent;
		while (up != null) {
			up.serializeChildren();
			up = up.parent;
		}
	}
	public boolean isUnderAGroupFilter() {
		
		
		if (parent != null) {
			if ((parent.getChildrenLimit() > 0) && (parent.getParent() != null))
				return true;
		}
		return false;
	}
}
class FilterEditDialog extends TrayDialog {