1 files changed, 139 insertions, 0 deletions
diff --git a/sandbox/pasteInNewTable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/listener/NatTableDropListener.java b/sandbox/pasteInNewTable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/listener/NatTableDropListener.java
new file mode 100644
index 00000000000..0201d1ea8f1
--- /dev/null
+++ b/sandbox/pasteInNewTable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/listener/NatTableDropListener.java
@@ -0,0 +1,139 @@
+/*****************************************************************************
+ * Copyright (c) 2012 CEA LIST.
+ *
+ *
+ * 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:
+ *  Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.nattable.listener;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.emf.edit.ui.dnd.LocalTransfer;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.papyrus.infra.nattable.manager.table.INattableModelManager;
+import org.eclipse.papyrus.infra.nattable.utils.LocationValue;
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.DropTargetEvent;
+import org.eclipse.swt.dnd.DropTargetListener;
+import org.eclipse.swt.graphics.Point;
+
+
+public class NatTableDropListener implements DropTargetListener {
+
+
+	private final INattableModelManager manager;
+
+	private LocationValue dropKindValue;
+
+	public NatTableDropListener(final INattableModelManager manager) {
+		this.manager = manager;
+	}
+
+	public void dragEnter(final DropTargetEvent event) {
+
+	}
+
+	public void dragLeave(final DropTargetEvent event) {
+
+	}
+
+	public void dragOperationChanged(final DropTargetEvent event) {
+
+	}
+
+	public void dragOver(final DropTargetEvent event) {
+		this.dropKindValue = null;
+		final LocalTransfer localTransfer = LocalTransfer.getInstance();
+		final Object data = localTransfer.nativeToJava(event.currentDataType);
+		IStructuredSelection structuredSelection = null;
+		if(data instanceof IStructuredSelection) {
+			structuredSelection = (IStructuredSelection)data;
+		}
+		final Collection<Object> objectsToAdd = Collections.checkedCollection(structuredSelection.toList(), Object.class);
+		this.dropKindValue = this.manager.getLocationInTheTable(new Point(event.x, event.y));
+		int drop = DND.DROP_NONE;
+		switch(this.dropKindValue.getKind()) {
+		case AFTER_COLUMN_HEADER:
+			if(this.manager.canDropColumnsElement(objectsToAdd)) {
+				drop = DND.DROP_DEFAULT;
+			}
+			break;
+		case AFTER_ROW_HEADER:
+			if(this.manager.canDropRowElement(objectsToAdd)) {
+				drop = DND.DROP_DEFAULT;
+			}
+			break;
+		case COLUMN_HEADER:
+			if(this.manager.canInsertColumns(objectsToAdd, this.dropKindValue.getColumnIndex())) {
+				drop = DND.DROP_DEFAULT;
+			}
+			break;
+		case ROW_HEADER:
+			if(this.manager.canInsertRow(objectsToAdd, this.dropKindValue.getRowIndex())) {
+				drop = DND.DROP_DEFAULT;
+			}
+			break;
+		case CELL:
+			//FIXME
+			drop = DND.DROP_NONE;
+			break;
+		case UNKNOWN:
+			drop = DND.DROP_NONE;
+			break;
+		default:
+			drop = DND.DROP_NONE;
+			break;
+		}
+		event.detail = drop;
+	}
+
+	public void drop(final DropTargetEvent event) {
+		//we drop the elements into the table
+		LocalTransfer localTransfer = LocalTransfer.getInstance();
+		Object data = localTransfer.nativeToJava(event.currentDataType);
+		if(data instanceof StructuredSelection) {
+			final IStructuredSelection selection = (IStructuredSelection)data;
+			final List<Object> droppedElements = selection.toList();
+			if(this.dropKindValue != null) {
+				switch(this.dropKindValue.getKind()) {
+				case AFTER_COLUMN_HEADER:
+					this.manager.addColumns(droppedElements);
+					break;
+				case AFTER_ROW_HEADER:
+					this.manager.addRows(droppedElements);
+					break;
+				case COLUMN_HEADER:
+					this.manager.insertColumns(droppedElements, this.dropKindValue.getColumnIndex());
+					break;
+				case ROW_HEADER:
+					this.manager.insertRows(droppedElements, this.dropKindValue.getRowIndex());
+					break;
+				case CELL:
+					//FIXME
+					break;
+				case UNKNOWN:
+					break;
+				default:
+					break;
+				}
+			}
+		}
+		this.dropKindValue = null;
+	}
+
+
+	public void dropAccept(final DropTargetEvent event) {
+
+	}
+
+}