| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| package test0332; |
| |
| import org.eclipse.swt.dnd.ByteArrayTransfer; |
| import org.eclipse.swt.dnd.TransferData; |
| import org.eclipse.swt.widgets.Widget; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jdt.internal.ui.JavaUIMessages; |
| |
| public class LocalSelectionTransfer extends ByteArrayTransfer { |
| |
| // First attempt to create a UUID for the type name to make sure that |
| // different Eclipse applications use different "types" of |
| // <code>LocalSelectionTransfer</code> |
| private static final String TYPE_NAME= "local-selection-transfer-format" + (new Long(System.currentTimeMillis())).toString(); //$NON-NLS-1$; |
| private static final int TYPEID= registerType(TYPE_NAME); |
| |
| private static final LocalSelectionTransfer INSTANCE= new LocalSelectionTransfer(); |
| |
| private ISelection fSelection; |
| private int fTime; |
| |
| private LocalSelectionTransfer() { |
| } |
| |
| /** |
| * Returns the singleton. |
| */ |
| public static LocalSelectionTransfer getInstance() { |
| return INSTANCE; |
| } |
| |
| /** |
| * Sets the transfer data for local use. |
| */ |
| public void setSelection(ISelection s) { |
| fSelection= s; |
| } |
| |
| /** |
| * Returns the local transfer data. |
| */ |
| public ISelection getSelection() { |
| return fSelection; |
| } |
| |
| public void javaToNative(Object object, TransferData transferData) { |
| byte[] check= TYPE_NAME.getBytes(); |
| super.javaToNative(check, transferData); |
| } |
| |
| public Object nativeToJava(TransferData transferData) { |
| Object result= super.nativeToJava(transferData); |
| if (isInvalidNativeType(result)) { |
| JavaPlugin.logErrorMessage(JavaUIMessages.getString("LocalSelectionTransfer.errorMessage")); //$NON-NLS-1$ |
| } |
| return fSelection; |
| } |
| |
| private boolean isInvalidNativeType(Object result) { |
| return !(result instanceof byte[]) || !TYPE_NAME.equals(new String((byte[])result)); |
| } |
| |
| /** |
| * The type id used to identify this transfer. |
| */ |
| protected int[] getTypeIds() { |
| return new int[] {TYPEID}; |
| } |
| |
| protected String[] getTypeNames(){ |
| return new String[] {TYPE_NAME}; |
| } |
| |
| public int getTime() { |
| return fTime; |
| } |
| |
| public void setTime(int time) { |
| fTime= time; |
| } |
| |
| } |