manuth/ExperimentBox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Add method for inserting nodes

Browse source
This commit is contained in:
Manuel Thalmann 2022-09-28 09:53:35 +02:00
parent 83700823d0
commit 0aeb39d677
1 changed files with 16 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
app/src/main/java/ch/nuth/zhaw/exbox/MyList.java
View file

@ -188,11 +188,24 @@ public class MyList extends AbstractList<Object> {
return anchor;
}
/**
* Inserts the specified `item` after the specified `node`.
*
* @param node
* The node to insert the `item` after.
*
* @param item
* The item to insert.
*/
protected void insertAfter(IListNode node, Object item) {
IListNode newNode = new ListNode(item, node, node.getNextNode());
node.setNextNode(newNode);
newNode.getNextNode().setPreviousNode(newNode);
}
@Override
public boolean add(Object e) {
IListNode newNode = new ListNode(e, getAnchor(), getAnchor().getPreviousNode());
getAnchor().getPreviousNode().setNextNode(newNode);
getAnchor().setPreviousNode(newNode);
insertAfter(getAnchor().getPreviousNode(), e);
return true;
}