public void addLayerStorageNode(LayerStorageNode layerStorageNode) {
treeModel.insertNodeInto(layerStorageNode, root, root.getChildCount());
TreeNode[] path = treeModel.getPathToRoot(root);
expandPath(new TreePath(path));
setSelectionPath(new TreePath(path));
}
/**
* @param title
* @param type
* @return
*/
public LayerStorageNode getLayerStorageNode(String title, String type) {
for (int i = 0; i < root.getChildCount(); i++) {
LayerStorageNode child = (LayerStorageNode) root.getChildAt(i);
if (child.getTitle().equals(title) && child.getType().equals(type)) {
return child;
}
}
return null;
}
/**
* Returns the position of the specified LayerNode or -1 if it is not contained in the ContentTree.<br>
* In the following example this method will return 4 for the 'X'-LayerNode.
*
* <pre>
* -O
* |-O
* |-O
* |-O
* -O
* |-O
* |-X
* |-O
*
* @param layerNode
* @return
*
*/
public int positionOf(LayerNode layerNode) {
int position = 0;
for (int i = 0; i < root.getChildCount(); i++) {
TreeNode storageNode = root.getChildAt(i);
for (int j = 0; j < storageNode.getChildCount(); j++) {
if (storageNode.getChildAt(j) != layerNode) {
position++;
} else {
return position;
}
}
}
return -1;
}
public void clearTree() {
while (root.getChildCount() > 0) {
removeNode(root.getFirstLeaf());
}
}
