/**
* Notifies all views of a selection change. The mode flag determines what happens:
*
* <ul>
* <li>0: set currently focused node as marked node
* <li>1: add currently focused node
* <li>2: toggle currently focused node
* </ul>
*
* @param mode mark mode
* @param vw the calling view
*/
public void mark(final int mode, final View vw) {
final int f = gui.context.focused;
if (f == -1) return;
final Context ctx = gui.context;
Nodes nodes = ctx.marked;
if (mode == 0) {
nodes = new Nodes(f, ctx.data());
} else if (mode == 1) {
nodes.union(new int[] {f});
} else {
nodes.toggle(f);
}
mark(nodes, vw);
}
