final Transferable t = dtde.getTransferable();
final MainView mainView = (MainView) dtde.getDropTargetContext().getComponent();
final NodeView targetNodeView = mainView.getNodeView();
final MapView mapView = targetNodeView.getMap();
mapView.select();
final NodeModel targetNode = targetNodeView.getModel();
final Controller controller = Controller.getCurrentController();
if (dtde.isLocalTransfer() && t.isDataFlavorSupported(MindMapNodesSelection.dropActionFlavor)) {
final String sourceAction = (String) t.getTransferData(MindMapNodesSelection.dropActionFlavor);
if (sourceAction.equals("LINK")) {
dropAction = DnDConstants.ACTION_LINK;
}
if (sourceAction.equals("COPY")) {
dropAction = DnDConstants.ACTION_COPY;
}
}
mainView.setDraggedOver(NodeView.DRAGGED_OVER_NO);
mainView.repaint();
if (dtde.isLocalTransfer() && (dropAction == DnDConstants.ACTION_MOVE) && !isDropAcceptable(dtde)) {
dtde.rejectDrop();
return;
}
final boolean dropAsSibling = mainView.dropAsSibling(dtde.getLocation().getX());
ModeController modeController = controller.getModeController();
final MMapController mapController = (MMapController) modeController.getMapController();
if ((dropAction == DnDConstants.ACTION_MOVE || dropAction == DnDConstants.ACTION_COPY)) {
final NodeModel parent = dropAsSibling ? targetNode.getParentNode() : targetNode;
if (!mapController.isWriteable(parent)) {
dtde.rejectDrop();
final String message = TextUtils.getText("node_is_write_protected");
UITools.errorMessage(message);
return;
}
}
final boolean isLeft = mainView.dropLeft(dtde.getLocation().getX());
if (!dtde.isLocalTransfer()) {
dtde.acceptDrop(DnDConstants.ACTION_COPY);
((MClipboardController) ClipboardController.getController()).paste(t, targetNode, dropAsSibling, isLeft, dropAction);
dtde.dropComplete(true);
return;
}
dtde.acceptDrop(dropAction);
if (dropAction == DnDConstants.ACTION_LINK) {
int yesorno = JOptionPane.YES_OPTION;
if (controller.getSelection().size() >= 5) {
yesorno = JOptionPane.showConfirmDialog(controller.getViewController().getContentPane(), TextUtils
.getText("lots_of_links_warning"), Integer.toString(controller.getSelection().size())
+ " links to the same node", JOptionPane.YES_NO_OPTION);
}
if (yesorno == JOptionPane.YES_OPTION) {
for (final Iterator<NodeModel> it = controller.getSelection().getSelection().iterator(); it
.hasNext();) {
final NodeModel selectedNodeModel = (it.next());
((MLinkController) LinkController.getController(modeController)).addConnector(
selectedNodeModel, targetNode);
}
}
}
else {
Transferable trans = null;
final Collection<NodeModel> selecteds = mapController.getSelectedNodes();
if (DnDConstants.ACTION_MOVE == dropAction) {
NodeModel actualNode = targetNode;
do {
if (selecteds.contains(actualNode)) {
final String message = TextUtils.getText("cannot_move_to_child");
JOptionPane.showMessageDialog(controller.getViewController().getContentPane(), message,
"Freeplane", JOptionPane.WARNING_MESSAGE);
dtde.dropComplete(true);
return;
}
actualNode = (actualNode.isRoot()) ? null : actualNode.getParentNode();
} while (actualNode != null);
final NodeModel[] array = selecteds.toArray(new NodeModel[selecteds.size()]);
final List<NodeModel> sortedSelection = controller.getSelection().getSortedSelection(true);
for (final NodeModel node : sortedSelection) {
boolean changeSide = isLeft != node.isLeft();