Java Code Examples for java.awt.dnd.DropTargetDragEvent#acceptDrag()

The following examples show how to use java.awt.dnd.DropTargetDragEvent#acceptDrag() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: DataObjectTransferHandler.java From nextreports-designer with Apache License 2.0

6 votes

public void dragEnter(DropTargetDragEvent event) {
    DataFlavor[] dataFlavors = event.getCurrentDataFlavors();
    JComponent c = (JComponent) event.getDropTargetContext().getComponent();
    TransferHandler transferHandler = c.getTransferHandler();

    if ((transferHandler != null) && transferHandler.canImport(c, dataFlavors)) {
        canImport = true;
    } else {
        canImport = false;
    }

    int dropAction = event.getDropAction();

    if (canImport && actionSupported(dropAction)) {
        event.acceptDrag(dropAction);
    } else {
        event.rejectDrag();
    }
}

Example 2

Source File: LocallDownloadDnD.java From netbeans with Apache License 2.0

6 votes

@Override
public void dragEnter(DropTargetDragEvent dtde) {
    accept = null;
    value = null;
    for (DataFlavor dataFlavor : dtde.getCurrentDataFlavors()) {
        Object obj = null;
        try {
            obj = dtde.getTransferable().getTransferData(dataFlavor);
        } catch (Exception ex) {
            continue;
        }
        if (dataFlavor.isFlavorJavaFileListType()) {
            accept = dataFlavor;
            value = obj;
            break;
        }
        if ("text".equals(dataFlavor.getPrimaryType()) && "uri-list".equals(dataFlavor.getSubType()) && dataFlavor.getRepresentationClass() == String.class) {
            accept = dataFlavor;
            value = (String) obj;
            break;
        }
    }
    if (accept != null) {
        dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE);
    }
}

Example 3

Source File: DataObjectTransferHandler.java From nextreports-designer with Apache License 2.0

5 votes

public void dropActionChanged(DropTargetDragEvent event) {
    int dropAction = event.getDropAction();
    if (canImport && actionSupported(dropAction)) {
        event.acceptDrag(dropAction);
    } else {
        event.rejectDrag();
    }
}

Example 4

Source File: MainPanel.java From java-swing-tips with MIT License

5 votes

@Override public void dragOver(DropTargetDragEvent e) {
  if (isDragAcceptable(e)) {
    e.acceptDrag(e.getDropAction());
  } else {
    e.rejectDrag();
    return;
  }
  initTargetLine(e.getLocation());
  repaint();
}

Example 5

Source File: Dock.java From gcs with Mozilla Public License 2.0

5 votes

@Override
public void dragEnter(DropTargetDragEvent dtde) {
    mDragDockable = getDockableInDrag(dtde);
    if (mDragDockable != null) {
        mDragOverNode = null;
        mDragOverLocation = null;
        updateForDragOver(dtde.getLocation());
        dtde.acceptDrag(DnDConstants.ACTION_MOVE);
    } else {
        dtde.rejectDrag();
    }
}

Example 6

Source File: GenericDNDHandler.java From pentaho-reporting with GNU Lesser General Public License v2.1

5 votes

/**
 * Called when a drag operation is ongoing, while the mouse pointer is still over the operable part of the drop site
 * for the <code>DropTarget</code> registered with this listener.
 *
 * @param dtde the <code>DropTargetDragEvent</code>
 */

public void dragOver( final DropTargetDragEvent dtde ) {
  final Transferable transferable = dtde.getTransferable();

  for ( int i = 0; i < acceptedFlavors.length; i++ ) {
    final DataFlavor acceptedFlavor = acceptedFlavors[ i ];
    if ( transferable.isDataFlavorSupported( acceptedFlavor ) ) {
      // a transfer from the palette.
      try {
        transferData = transferable.getTransferData( acceptedFlavor );
        position = dtde.getLocation();
        flavor = acceptedFlavor;
        final int result = updateDragOver( dtde );
        if ( result > 0 ) {
          dtde.acceptDrag( DnDConstants.ACTION_COPY );
        } else {
          transferData = null;
          position = null;
          flavor = null;
          dtde.rejectDrag();
        }
        break;
      } catch ( Exception e ) {
        if ( logger.isDebugEnabled() ) {
          logger.debug( "ReportPanel.dragOver ", e ); // NON-NLS
        }
        transferData = null;
        position = null;
        flavor = null;
        dtde.rejectDrag();
      }
    }
  }
}

Example 7

Source File: MainPanel.java From java-swing-tips with MIT License

5 votes

@Override public void dragOver(DropTargetDragEvent e) {
  if (isDropAcceptable(e)) {
    e.acceptDrag(e.getDropAction());
  } else {
    e.rejectDrag();
  }
  e.getDropTargetContext().getComponent().repaint();
}

Example 8

Source File: DropListener.java From Pixelitor with GNU General Public License v3.0

5 votes

private static void handleOngoingDrag(DropTargetDragEvent dtde) {
    if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
        dtde.acceptDrag(DnDConstants.ACTION_COPY);
    } else {
        dtde.rejectDrag();
    }
}

Example 9

Source File: PortraitPanel.java From gcs with Mozilla Public License 2.0

5 votes

private static void acceptOrRejectDrag(DropTargetDragEvent dtde) {
    if (dtde.isDataFlavorSupported(DataFlavor.imageFlavor) || dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
        dtde.acceptDrag(DnDConstants.ACTION_COPY);
    } else {
        dtde.rejectDrag();
    }
}

Example 10

Source File: AbstractTreeTransferHandler.java From TrakEM2 with GNU General Public License v3.0

5 votes

public final void dragOver(DropTargetDragEvent dtde) {
        Point pt = dtde.getLocation();
        int action = dtde.getDropAction();
        tree.autoscroll(pt);
        if (drawImage) {
                paintImage(pt);
        }
        if (canPerformAction(tree, draggedNode, action, pt)) {
                dtde.acceptDrag(action);                        
        }
        else {
                dtde.rejectDrag();
        }
}

Example 11

Source File: MainPanel.java From java-swing-tips with MIT License

5 votes

@Override public void dragEnter(DropTargetDragEvent e) {
  if (isDragAcceptable(e)) {
    e.acceptDrag(e.getDropAction());
  } else {
    e.rejectDrag();
  }
}

Example 12

Source File: MMDEditor.java From netbeans-mmd-plugin with Apache License 2.0

5 votes

@Override
public void dragOver(@Nonnull final DropTargetDragEvent dtde) {
  if (acceptOrRejectDragging(dtde)) {
    dtde.acceptDrag(DnDConstants.ACTION_MOVE);
  } else {
    dtde.rejectDrag();
  }
  this.scrollPane.repaint();
}

Example 13

Source File: CalculationTree.java From swing_library with MIT License

5 votes

private void doDragOver(DropTargetDragEvent dtde) {

		if (acceptDrag(dtde))
			dtde.acceptDrag(dtde.getDropAction());
		else
			dtde.rejectDrag();
	}

Example 14

Source File: MissingEventsOnModalDialogTest.java From openjdk-jdk9 with GNU General Public License v2.0

4 votes

@Override
public void dragEnter(DropTargetDragEvent dtde) {
    dtde.acceptDrag(dtde.getDropAction());
}

Example 15

Source File: MissingEventsOnModalDialogTest.java From jdk8u-jdk with GNU General Public License v2.0

4 votes

@Override
public void dragOver(DropTargetDragEvent dtde) {
    dtde.acceptDrag(dtde.getDropAction());
}

Example 16

Source File: MissingEventsOnModalDialogTest.java From openjdk-jdk9 with GNU General Public License v2.0

4 votes

@Override
public void dragOver(DropTargetDragEvent dtde) {
    dtde.acceptDrag(dtde.getDropAction());
}

Example 17

Source File: MissingEventsOnModalDialogTest.java From hottub with GNU General Public License v2.0

4 votes

@Override
public void dragOver(DropTargetDragEvent dtde) {
    dtde.acceptDrag(dtde.getDropAction());
}

Example 18

Source File: MissingEventsOnModalDialogTest.java From TencentKona-8 with GNU General Public License v2.0

4 votes

@Override
public void dragEnter(DropTargetDragEvent dtde) {
    dtde.acceptDrag(dtde.getDropAction());
}

Example 19

Source File: MissingEventsOnModalDialogTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0

4 votes

@Override
public void dragEnter(DropTargetDragEvent dtde) {
    dtde.acceptDrag(dtde.getDropAction());
}

Example 20

Source File: FileDragLabel.java From Spark with Apache License 2.0

4 votes

@Override
public void dragEnter(DropTargetDragEvent dropTargetDragEvent) {
       dropTargetDragEvent.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE);
   }