/**
* The event will contain all the indexes in a given backend.
*
* @param backend the backend whose indexes have been modified.
*/
public IndexModifiedEvent(BackendDescriptor backend) {
this.modifiedIndexes.addAll(backend.getIndexes());
this.modifiedIndexes.addAll(backend.getVLVIndexes());
}
/**
* Repopulates the contents of the tree.
*
* @param tree the tree to be repopulated.
*/
private void repopulateTree(JTree tree) {
ignoreSelectionEvents = true;
final Point currentPosition = treeScroll.getViewport().getViewPosition();
DefaultMutableTreeNode root = getRoot(tree);
TreePath path = tree.getSelectionPath();
DefaultMutableTreeNode lastSelectedNode = null;
if (path != null) {
lastSelectedNode = (DefaultMutableTreeNode) path.getLastPathComponent();
}
TreePath newSelectionPath = null;
BackendDescriptor backend = null;
String backendName = (String) backends.getSelectedItem();
if (backendName != null) {
for (BackendDescriptor b : getInfo().getServerDescriptor().getBackends()) {
if (b.getBackendID().equalsIgnoreCase(backendName)) {
backend = b;
break;
}
}
}
ArrayList<ArrayList<? extends AbstractIndexTreeNode>> nodes =
new ArrayList<ArrayList<? extends AbstractIndexTreeNode>>();
ArrayList<IndexTreeNode> standardIndexNodes = new ArrayList<IndexTreeNode>();
ArrayList<VLVIndexTreeNode> vlvIndexNodes = new ArrayList<VLVIndexTreeNode>();
nodes.add(standardIndexNodes);
nodes.add(vlvIndexNodes);
if (backend != null) {
for (IndexDescriptor index : backend.getIndexes()) {
standardIndexNodes.add(new IndexTreeNode(index.getName(), index));
}
for (VLVIndexDescriptor index : backend.getVLVIndexes()) {
vlvIndexNodes.add(new VLVIndexTreeNode(index.getName(), index));
}
}
DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
int i = 0;
int positionUnderRoot = 0;
for (DefaultMutableTreeNode parent : categoryNodes) {
if (nodes.get(i).size() == 0) {
if (root.getIndex(parent) != -1) {
model.removeNodeFromParent(parent);
parent.removeAllChildren();
}
} else {
boolean expand = true;
if (root.getIndex(parent) == -1) {
model.insertNodeInto(parent, root, positionUnderRoot);
} else {
expand = tree.isExpanded(new TreePath(parent)) || (parent.getChildCount() == 0);
parent.removeAllChildren();
}
for (AbstractIndexTreeNode node : nodes.get(i)) {
parent.add(node);
if ((newSelectionPath == null)
&& ((lastSelectedNode != null) || (lastCreatedIndex != null))) {
if (lastCreatedIndex != null) {
if ((node instanceof IndexTreeNode)
&& (lastCreatedIndex instanceof IndexDescriptor)) {
if (node.getName().equals(lastCreatedIndex.getName())) {
newSelectionPath = new TreePath(node.getPath());
lastCreatedIndex = null;
}
} else if ((node instanceof VLVIndexTreeNode)
&& (lastCreatedIndex instanceof VLVIndexDescriptor)) {
if (node.getName().equals(lastCreatedIndex.getName())) {
newSelectionPath = new TreePath(node.getPath());
lastCreatedIndex = null;
}
}
} else if (node.getName().equals(lastSelectedNode.getUserObject())) {
newSelectionPath = new TreePath(node.getPath());
}
}
}
model.nodeStructureChanged(parent);
if (expand) {
tree.expandPath(new TreePath(parent.getPath()));
}
positionUnderRoot++;
}
i++;
}
if (newSelectionPath == null) {
if (firstTreeRepopulate) {
newSelectionPath = new TreePath(standardIndexes.getPath());
}
}
if (newSelectionPath != null) {
tree.setSelectionPath(newSelectionPath);
tree.scrollPathToVisible(newSelectionPath);
}
updateEntryPane();
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
if (firstTreeRepopulate) {
treeScroll.getViewport().setViewPosition(new Point(0, 0));
} else {
treeScroll.getViewport().setViewPosition(currentPosition);
}
}
});
firstTreeRepopulate = false;
ignoreSelectionEvents = false;
}
/** {@inheritDoc} */
protected void updateTableModel(BackendDescriptor backend) {
tableModel.setData(new HashSet<AbstractIndexDescriptor>(backend.getVLVIndexes()), getInfo());
}