/*
* @see org.primordion.xholon.base.IXholon#insertAfter(org.primordion.xholon.base.IXholon)
*/
public void insertAfter(XholonTreeNode newLeftSibling) {
if (newLeftSibling.hasNextSibling()) {
parent = newLeftSibling.getParentNode();
nextSibling = newLeftSibling.getNextSibling();
newLeftSibling.setNextSibling(this);
} else { // last sibling
setParentSiblingLinks(newLeftSibling);
}
}
/*
* @see org.primordion.xholon.base.IXholon#insertBefore(org.primordion.xholon.base.IXholon)
*/
public void insertBefore(XholonTreeNode newNextSibling) {
parent = newNextSibling.getParentNode();
if (parent.getFirstChild() == newNextSibling) {
parent.setFirstChild(this);
} else {
XholonTreeNode lSibling = newNextSibling.getPreviousSibling();
lSibling.setNextSibling(this);
}
setNextSibling(newNextSibling);
}
/*
* @see org.primordion.xholon.base.IXholon#removeChild()
*/
public void removeChild() {
if (!isRootNode()) {
XholonTreeNode lNode = getPreviousSibling();
XholonTreeNode rNode = getNextSibling();
if (lNode == null) { // this is the first (leftmost) sibling
if (rNode == null) {
getParentNode().setFirstChild(null);
} else {
getParentNode().setFirstChild(rNode); // nextSibling is new firstChild of parent
}
} else {
if (rNode == null) {
lNode.setNextSibling(null);
} else {
lNode.setNextSibling(rNode);
}
}
setParentNode(null);
setNextSibling(null);
}
}
/*
* @see org.primordion.xholon.base.IXholon#setParentSiblingLinks(org.primordion.xholon.base.TreeNode)
*/
public void setParentSiblingLinks(XholonTreeNode previousSibling) {
setParentNode(previousSibling.getParentNode()); // previousSibling already has parent
previousSibling.setNextSibling(this);
}