Removed UI.

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / dnd / DelegatingDropAdapter.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dnd/DelegatingDropAdapter.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dnd/DelegatingDropAdapter.java
deleted file mode 100644 (file)
index 4424f34..0000000
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dnd/DelegatingDropAdapter.java
+++ /dev/null
@@ -1,123 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials 
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package net.sourceforge.phpdt.internal.ui.dnd;
-
-import org.eclipse.jface.util.Assert;
-import org.eclipse.swt.dnd.DropTargetEvent;
-import org.eclipse.swt.dnd.DropTargetListener;
-import org.eclipse.swt.dnd.TransferData;
-
-/**
- * A delegating drop adapter negotiates between a set of
- * <code>TransferDropTargetListener</code>s On <code>dragEnter</code> the
- * adapter determines the listener to be used for any further <code>drag*</code>
- * callback.
- */
-public class DelegatingDropAdapter implements DropTargetListener {
-
-       private TransferDropTargetListener[] fListeners;
-
-       private TransferDropTargetListener fChosenListener;
-
-       /**
-        * Creates a new delegating drop adapter.
-        * 
-        * @param listeners
-        *            an array of potential listeners
-        */
-       public DelegatingDropAdapter(TransferDropTargetListener[] listeners) {
-               fListeners = listeners;
-               Assert.isNotNull(listeners);
-       }
-
-       /*
-        * non Java-doc
-        * 
-        * @see DropTargetListener
-        */
-       public void dragEnter(DropTargetEvent event) {
-               fChosenListener = null;
-               event.currentDataType = selectPreferredListener(event.dataTypes);
-               if (fChosenListener != null)
-                       fChosenListener.dragEnter(event);
-       }
-
-       /*
-        * non Java-doc
-        * 
-        * @see DropTargetListener
-        */
-       public void dragLeave(DropTargetEvent event) {
-               if (fChosenListener != null)
-                       fChosenListener.dragLeave(event);
-       }
-
-       /*
-        * non Java-doc
-        * 
-        * @see DropTargetListener
-        */
-       public void dragOperationChanged(DropTargetEvent event) {
-               if (fChosenListener != null)
-                       fChosenListener.dragOperationChanged(event);
-       }
-
-       /*
-        * non Java-doc
-        * 
-        * @see DropTargetListener
-        */
-       public void dragOver(DropTargetEvent event) {
-               if (fChosenListener != null)
-                       fChosenListener.dragOver(event);
-       }
-
-       /*
-        * non Java-doc
-        * 
-        * @see DropTargetListener
-        */
-       public void drop(DropTargetEvent event) {
-               if (fChosenListener != null)
-                       fChosenListener.drop(event);
-               fChosenListener = null;
-       }
-
-       /*
-        * non Java-doc
-        * 
-        * @see DropTargetListener
-        */
-       public void dropAccept(DropTargetEvent event) {
-               if (fChosenListener != null)
-                       fChosenListener.dropAccept(event);
-       }
-
-       private TransferData selectPreferredListener(TransferData[] dataTypes) {
-               for (int i = 0; i < fListeners.length; i++) {
-                       TransferData data = computeTransferData(dataTypes, fListeners[i]);
-                       if (data != null)
-                               return data;
-               }
-               return null;
-       }
-
-       private TransferData computeTransferData(TransferData[] dataTypes,
-                       TransferDropTargetListener listener) {
-               for (int i = 0; i < dataTypes.length; i++) {
-                       if (listener.getTransfer().isSupportedType(dataTypes[i])) {
-                               fChosenListener = listener;
-                               return dataTypes[i];
-                       }
-               }
-               return null;
-       }
-}