/**
* This method tells the CategoryNode what it's containing category is.
*
* @see arlut.csd.ganymede.rmi.CategoryNode
*/
public void setCategory(Category category) {
DBBaseCategory cat;
String path;
/* -- */
if (category == null) {
parent = null;
return;
}
if (!(category instanceof DBBaseCategory)) {
// we need a local reference
try {
path = category.getPath();
} catch (RemoteException ex) {
throw new RuntimeException("couldn't get path of remote category: " + ex);
}
if (debug) {
System.err.println("** Attempting to find local copy of category " + path);
}
// getCategoryNode could also return a DBObjectBase, but not
// in this context
if (editor == null) {
cat = (DBBaseCategory) store.getCategoryNode(path);
} else {
cat = (DBBaseCategory) editor.getCategoryNode(path);
}
if (cat == null) {
throw new RuntimeException("setCategory: couldn't find local parent category");
}
parent = cat;
} else {
parent = (DBBaseCategory) category;
}
}
/**
* This method can be used to move a Category from another Category to this Category, or to move a
* Category around within this Category.
*
* @param catPath the fully specified path of the node to be moved
* @param prevNodeName the name of the node that the catPath node is to be placed after in this
* category, or null if the node is to be placed at the first element of this category
* @see arlut.csd.ganymede.rmi.Category
*/
public synchronized void moveCategoryNode(String catPath, String prevNodeName) {
if (debug) {
System.err.println("DBBaseCategory.moveCategoryNode(" + catPath + "," + prevNodeName + ")");
}
CategoryNode categoryNode;
DBBaseCategory oldCategory;
try {
categoryNode = editor.getCategoryNode(catPath);
oldCategory = (DBBaseCategory) categoryNode.getCategory();
} catch (RemoteException ex) {
Ganymede.logError(ex);
throw new RuntimeException("wow, surprising remote local exception");
}
if (oldCategory == this) {
if (debug) {
System.err.println("DBBaseCategory.moveCategoryNode(): moving node within category");
}
contents.removeElement(categoryNode);
} else {
if (debug) {
System.err.println(
"DBBaseCategory.moveCategoryNode(): moving node from "
+ oldCategory.getPath()
+ " to "
+ getPath());
}
try {
oldCategory.removeNode(categoryNode);
} catch (RemoteException ex) {
throw new RuntimeException("Local category threw a remote exception.. ? " + ex);
}
}
try {
categoryNode.setCategory(this);
} catch (RemoteException ex) {
throw new RuntimeException("Local category node threw a remote exception.. ? " + ex);
}
if (prevNodeName == null) {
contents.insertElementAt(categoryNode, 0);
} else {
for (int i = 0; i < contents.size(); i++) {
CategoryNode cNode = (CategoryNode) contents.elementAt(i);
try {
if (cNode.getName().equals(prevNodeName)) {
contents.insertElementAt(categoryNode, i + 1);
return;
}
} catch (RemoteException ex) {
}
}
throw new RuntimeException(
"Couldn't move category node " + catPath + " after non-existent " + prevNodeName);
}
}
