/**
* Adds NewChild as a child tag, and sets it's parent to be this tag.
*
* @param NewChild The new tag to add.
* @return The old parent of NewChild.
*/
public XMLTag addTag(XMLTag NewChild) {
if (NewChild != null) {
ChildTags.add(NewChild);
NewChild.setParent(this);
ChildrenCount++;
fireTagAdded(new XMLPath());
}
return NewChild;
}
/**
* Removes UnwantedChild from the child tags.
*
* @param UnwantedChild The child to be removed.
*/
public void removeChild(XMLTag UnwantedChild) {
if (ChildTags.contains(UnwantedChild)) {
ChildTags.remove(ChildTags.indexOf(UnwantedChild));
if (UnwantedChild.getParentTag() == this) {
UnwantedChild.setParent(null);
} else {
UnwantedChild.removeXMLTagListener(this);
}
ChildrenCount--;
fireTagRemoved(new XMLPath());
}
}
/**
* Replaces OldTag with this tag.
*
* @param OldTag The tag to be replaced.
* @return The parent tag.
*/
public XMLTag replace(XMLTag OldTag) {
if (OldTag == null) {
return null;
}
XMLTag NewParentTag = OldTag.getParentTag(); // removeTagFromParent();
if (NewParentTag != null) {
// NewParentTag.addTag(this);
NewParentTag.exchangeChild(OldTag, this);
}
ParentTag = NewParentTag;
OldTag.setParent(null);
return NewParentTag;
}