/**
* Append specified delegate to the end of the delegate chain
*
* @param delegate
* @return
*/
private InputEvent append(InputEvent delegate) {
InputEvent tail = this; // Start here
while (tail.next != null) // Find the end of the chain
tail = tail.next;
tail.next = delegate; // Append the new delegate
return this; // Return the start of the delegate chain (eg. this node)
}
/**
* Link this delegate to the specified delegate and return the start of the delegate chain
*
* @param chain delegate to link to (will be null if the chain is empty)
* @return
*/
InputEvent link(InputEvent chain) {
if (chain == null) return this; // Chain is empty, return self
return chain.append(this); // Append self to the start of the chain
}
