git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/gui/main/componenttree/RocketComponentTransferable.java

   1 package net.sf.openrocket.gui.main.componenttree;
   2
   3 import java.awt.datatransfer.DataFlavor;
   4 import java.awt.datatransfer.Transferable;
   5 import java.awt.datatransfer.UnsupportedFlavorException;
   6 import java.io.IOException;
   7
   8 import net.sf.openrocket.rocketcomponent.RocketComponent;
   9
  10 /**
  11  * A transferable that provides a reference to a (JVM-local) RocketComponent object.
  12  *
  13  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  14  */
  15 public class RocketComponentTransferable implements Transferable {
  16
  17         public static final DataFlavor ROCKET_COMPONENT_DATA_FLAVOR = new DataFlavor(
  18                         DataFlavor.javaJVMLocalObjectMimeType + "; class=" + RocketComponent.class.getCanonicalName(),
  19                         "OpenRocket component");
  20
  21
  22         private final RocketComponent component;
  23
  24         public RocketComponentTransferable(RocketComponent component) {
  25                 this.component = component;
  26         }
  27
  28
  29         @Override
  30         public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
  31                 if (!isDataFlavorSupported(flavor)) {
  32                         throw new UnsupportedFlavorException(flavor);
  33                 }
  34                 return component;
  35         }
  36
  37         @Override
  38         public DataFlavor[] getTransferDataFlavors() {
  39                 return new DataFlavor[] { ROCKET_COMPONENT_DATA_FLAVOR };
  40         }
  41
  42         @Override
  43         public boolean isDataFlavorSupported(DataFlavor flavor) {
  44                 return flavor.equals(ROCKET_COMPONENT_DATA_FLAVOR);
  45         }
  46
  47 }