CaRMtl/eric/macros/CTransferableTreePath.java
2018-09-04 22:51:42 -04:00

69 lines
2.0 KiB
Java

/*
Copyright 2006 Eric Hakenholz
This file is part of C.a.R. software.
C.a.R. is a free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3 of the License.
C.a.R. is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package eric.macros;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import javax.swing.tree.TreePath;
/**
* This represents a TreePath (a node in a JTree) that can be transferred
* between a drag source and a drop target.
*/
class CTransferableTreePath implements Transferable {
// The type of DnD object being dragged...
public static final DataFlavor TREEPATH_FLAVOR = new DataFlavor(
DataFlavor.javaJVMLocalObjectMimeType, "TreePath");
private final TreePath _path;
private final DataFlavor[] _flavors = { TREEPATH_FLAVOR };
/**
* Constructs a transferrable tree path object for the specified path.
*/
public CTransferableTreePath(final TreePath path) {
_path = path;
}
// Transferable interface methods...
public DataFlavor[] getTransferDataFlavors() {
return _flavors;
}
public boolean isDataFlavorSupported(final DataFlavor flavor) {
return java.util.Arrays.asList(_flavors).contains(flavor);
}
public synchronized Object getTransferData(final DataFlavor flavor)
throws UnsupportedFlavorException {
if (flavor.isMimeTypeEqual(TREEPATH_FLAVOR.getMimeType())) // DataFlavor.javaJVMLocalObjectMimeType))
return _path;
else
throw new UnsupportedFlavorException(flavor);
}
}