/*
* (non-Javadoc)
*
* @see com.vaadin.event.dd.DragSource#getTransferable(java.util.Map)
*/
@Override
public Transferable getTransferable(Map<String, Object> payload) {
TreeTransferable transferable = new TreeTransferable(this, payload);
// updating drag source variables
Object object = payload.get("itemId");
if (object != null) {
transferable.setData("itemId", itemIdMapper.get((String) object));
}
return transferable;
}
@Override
protected void exportDone(JComponent source, Transferable data, int action) {
if (source == null
|| dropLocation == null
|| data == null
|| !(data instanceof TreeTransferable)) return;
TreeTransferable t = (TreeTransferable) data;
LayerTreeModel model = layersTree.getLayerModel();
Boolean moveIntoFolders = null;
int i = 0;
for (TreePath path : t.getPaths()) {
if (source == layersTree) {
INode node = (INode) path.getLastPathComponent();
addNodeToTree(dropLocation, model, node, true, i++);
} else if (source == datasetTree) {
DefaultMutableTreeNode dmtn = (DefaultMutableTreeNode) path.getLastPathComponent();
if (dmtn != null && dmtn.getUserObject() instanceof ILayerDefinition) {
if (moveIntoFolders == null) {
String message =
"Would you like to include the folder hierarchy with the dragged layers?";
int result =
JOptionPane.showConfirmDialog(
layersTree,
message,
"Include folders",
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE);
moveIntoFolders = result == JOptionPane.YES_OPTION;
}
ILayerDefinition definition = (ILayerDefinition) dmtn.getUserObject();
if (moveIntoFolders) {
layersTree.getLayerModel().addLayer(definition, path.getPath());
} else {
INode node = LayerNode.createFromLayerDefinition(definition);
addNodeToTree(dropLocation, model, node, false, i++);
}
Rectangle bounds = datasetTree.getPathBounds(path);
if (bounds != null) datasetTree.repaint(bounds);
}
}
}
layersTree.getUI().relayout();
dropLocation = null;
}