diff options
Diffstat (limited to 'plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/dnd/DNDDragListener.java')
-rw-r--r-- | plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/dnd/DNDDragListener.java | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/dnd/DNDDragListener.java b/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/dnd/DNDDragListener.java deleted file mode 100644 index 76e32d17c1..0000000000 --- a/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/dnd/DNDDragListener.java +++ /dev/null @@ -1,62 +0,0 @@ -/*************************************************************************** - * Copyright (c) 2004 - 2008 Eike Stepper, Germany. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * Eike Stepper - initial API and implementation - **************************************************************************/ -package org.eclipse.net4j.util.ui.dnd; - -import org.eclipse.jface.viewers.IStructuredSelection; -import org.eclipse.jface.viewers.StructuredViewer; -import org.eclipse.swt.dnd.DragSourceAdapter; -import org.eclipse.swt.dnd.DragSourceEvent; -import org.eclipse.swt.dnd.Transfer; - -/** - * @author Eike Stepper - */ -public abstract class DNDDragListener<TYPE> extends DragSourceAdapter -{ - private Transfer transfer; - - private StructuredViewer viewer; - - public DNDDragListener(Transfer transfer, StructuredViewer viewer) - { - this.transfer = transfer; - this.viewer = viewer; - } - - public Transfer getTransfer() - { - return transfer; - } - - public StructuredViewer getViewer() - { - return viewer; - } - - @Override - public void dragSetData(DragSourceEvent event) - { - if (transfer.isSupportedType(event.dataType)) - { - IStructuredSelection selection = (IStructuredSelection)viewer.getSelection(); - event.data = getObject(selection); - } - } - - @Override - public void dragStart(DragSourceEvent event) - { - IStructuredSelection selection = (IStructuredSelection)viewer.getSelection(); - event.doit = !viewer.getSelection().isEmpty() && getObject(selection) != null; - } - - protected abstract TYPE getObject(IStructuredSelection selection); -} |