Examples of ae.java.awt.dnd.peer.DropTargetContextPeer

ae.java.awt.dnd.peer.DropTargetContextPeer

This interface is exposed by the underlying window system platform to enable control of platform DnD operations
@since 1.2

     * <P>
     * @param actions an <code>int</code> representing the supported action(s)
     */


    protected void setTargetActions(int actions) {
        DropTargetContextPeer peer = getDropTargetContextPeer();
        if (peer != null) {
            synchronized (peer) {
                peer.setTargetActions(actions);
                getDropTarget().doSetDefaultActions(actions);
            }
        } else {
            getDropTarget().doSetDefaultActions(actions);
        }

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     * <P>
     * @return the current actions acceptable to this <code>DropTarget</code>
     */


    protected int getTargetActions() {
        DropTargetContextPeer peer = getDropTargetContextPeer();
        return ((peer != null)
                        ? peer.getTargetActions()
                        : dropTarget.getDefaultActions()
        );
    }

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     * <P>
     * @throws InvalidDnDOperationException if a drop is not outstanding/extant
     */


    public void dropComplete(boolean success) throws InvalidDnDOperationException{
        DropTargetContextPeer peer = getDropTargetContextPeer();
        if (peer != null) {
            peer.dropComplete(success);
        }
    }

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     * <P>
     * @param dragOperation the supported action(s)
     */


    protected void acceptDrag(int dragOperation) {
        DropTargetContextPeer peer = getDropTargetContextPeer();
        if (peer != null) {
            peer.acceptDrag(dragOperation);
        }
    }

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    /**
     * reject the Drag.
     */


    protected void rejectDrag() {
        DropTargetContextPeer peer = getDropTargetContextPeer();
        if (peer != null) {
            peer.rejectDrag();
        }
    }

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     * <P>
     * @param dropOperation the supported action(s)
     */


    protected void acceptDrop(int dropOperation) {
        DropTargetContextPeer peer = getDropTargetContextPeer();
        if (peer != null) {
            peer.acceptDrop(dropOperation);
        }
    }

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     * called to signal that the drop is unacceptable.
     * must be called during DropTargetListener.drop method invocation.
     */


    protected void rejectDrop() {
        DropTargetContextPeer peer = getDropTargetContextPeer();
        if (peer != null) {
            peer.rejectDrop();
        }
    }

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     * supported <code>DataFlavor</code>s of the
     * <code>Transferable</code> operand.
     */


    protected DataFlavor[] getCurrentDataFlavors() {
        DropTargetContextPeer peer = getDropTargetContextPeer();
        return peer != null ? peer.getTransferDataFlavors() : new DataFlavor[0];
    }

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     * <P>
     * @return the <code>Transferable</code>
     */


    protected Transferable getTransferable() throws InvalidDnDOperationException {
        DropTargetContextPeer peer = getDropTargetContextPeer();
        if (peer == null) {
            throw new InvalidDnDOperationException();
        } else {
            if (transferable == null) {
                Transferable t = peer.getTransferable();
                boolean isLocal = peer.isTransferableJVMLocal();
                synchronized (this) {
                    if (transferable == null) {
                        transferable = createTransferableProxy(t, isLocal);
                    }
                }

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