/** * Invoked after a node (or a set of siblings) has changed in some way. The node(s) have not * changed locations in the tree or altered their children arrays, but other attributes have * changed and may affect presentation. Example: the name of a file has changed, but it is in the * same location in the file system. * * <p>e.path() returns the path the parent of the changed node(s). * * <p>e.childIndices() returns the index(es) of the changed node(s). */ public void treeNodesChanged(TreeModelEvent e) { if (e != null) { int changedIndexs[]; FHTreeStateNode changedParent = getNodeForPath(SwingUtilities2.getTreePath(e, getModel()), false, false); int maxCounter; changedIndexs = e.getChildIndices(); /* Only need to update the children if the node has been expanded once. */ // PENDING(scott): make sure childIndexs is sorted! if (changedParent != null) { if (changedIndexs != null && (maxCounter = changedIndexs.length) > 0) { Object parentValue = changedParent.getUserObject(); for (int counter = 0; counter < maxCounter; counter++) { FHTreeStateNode child = changedParent.getChildAtModelIndex(changedIndexs[counter]); if (child != null) { child.setUserObject(treeModel.getChild(parentValue, changedIndexs[counter])); } } if (changedParent.isVisible() && changedParent.isExpanded()) visibleNodesChanged(); } // Null for root indicates it changed. else if (changedParent == root && changedParent.isVisible() && changedParent.isExpanded()) { visibleNodesChanged(); } } } }