@Override
public boolean importData(TransferHandler.TransferSupport info) {
JTable target = (JTable) info.getComponent();
JTable.DropLocation dl = (JTable.DropLocation) info.getDropLocation();
int rowTo = dl.getRow();
int max = table.getModel().getRowCount();
if ((rowTo < 0) || (rowTo > max)) {
rowTo = max;
}
target.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
try {
Integer rowFrom = (Integer) info.getTransferable().getTransferData(localObjectFlavor);
if (rowTo > rowFrom) {
rowTo--;
}
if ((rowFrom != -1) && (rowFrom != rowTo)) {
StateTableModel stateTableModel = (StateTableModel) table.getModel();
stateTableModel.reorder(rowFrom, rowTo);
target.getSelectionModel().addSelectionInterval(rowTo, rowTo);
return true;
}
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
@Override
public boolean canImport(TransferHandler.TransferSupport info) {
boolean b =
(info.getComponent() == table)
&& info.isDrop()
&& info.isDataFlavorSupported(localObjectFlavor);
table.setCursor(b ? DragSource.DefaultMoveDrop : DragSource.DefaultMoveNoDrop);
return b;
}
@Override
public boolean importData(TransferHandler.TransferSupport th) {
Transferable tr = th.getTransferable();
Component cp = th.getComponent();
if (tr.isDataFlavorSupported(MyTransferable.data)) {
if (cp instanceof JTree) {
JTree tree = (JTree) cp;
JTree.DropLocation location = tree.getDropLocation();
TreePath path = location.getPath();
int index = location.getChildIndex();
if (index == -1) {
index = 0;
}
// System.out.println(index);
DefaultMutableTreeNode node;
try {
node = (DefaultMutableTreeNode) tr.getTransferData(MyTransferable.data);
DefaultMutableTreeNode parent = (DefaultMutableTreeNode) path.getLastPathComponent();
// vérifie si on ne drop pas dans un noeud fils
if (node.isNodeChild(parent)) {
return false;
}
Controleur controleur = Controleur.getInstance();
controleur.deplacerElement(node, parent, index);
DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
model.removeNodeFromParent(node);
// vérifie si on est plus hors index lors d'une réorganisation par ex
if (index > parent.getChildCount()) {
index = parent.getChildCount();
}
model.insertNodeInto(node, parent, index);
// controleur.ajoutElement(node, parent, index);
TreePath newPath = path.pathByAddingChild(node);
tree.makeVisible(newPath);
tree.scrollRectToVisible(tree.getPathBounds(newPath));
} catch (Exception e) {
e.printStackTrace();
}
return true;
}
}
return false;
}
