--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+/*\r
+ *\r
+ * @author Toni Kalajainen\r
+ */\r
+package org.simantics.g2d.dnd;\r
+\r
+import java.awt.geom.Point2D;\r
+\r
+import org.simantics.utils.datastructures.context.IContext;\r
+import org.simantics.utils.datastructures.hints.IHintContext;\r
+\r
+/**\r
+ * A context that follows throughout a DnD process.\r
+ * \r
+ * {@link DragPainter} paints any items added to the context.\r
+ * Implementations of {@link IDropTargetParticipant} take part in building IDnDContext.\r
+ *\r
+ * @author Toni Kalajainen <toni.kalajainen@vtt.fi>\r
+ */\r
+public interface IDnDContext extends IContext<IDragItem> {\r
+\r
+ IHintContext getHints();\r
+\r
+ Point2D getItemPosition(IDragItem item);\r
+ void setItemPosition(IDragItem item, Point2D pos);\r
+\r
+}\r