Bug 341793 Prevent moving of parts tagged with IPresentationEngine.NO_MOVE
This is a simple fix, the underlying code is already there for the perspective construction, we just need to inhibit the drag operation.
bundles/org.eclipse.e4.ui.workbench.addons.swt/src/org/eclipse/e4/ui/workbench/addons/dndaddon/PartDragAgent.java
/*******************************************************************************
 * Copyright (c) 2010 IBM Corporation and others.
 * 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:
 *     IBM Corporation - initial API and implementation
 ******************************************************************************/
package org.eclipse.e4.ui.workbench.addons.dndaddon;
import org.eclipse.e4.ui.model.application.ui.MUIElement;
import org.eclipse.e4.ui.model.application.ui.advanced.MPlaceholder;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.e4.ui.model.application.ui.basic.MPartStack;
/**
 *
 */
public class PartDragAgent extends DragAgent {
	public PartDragAgent(DnDManager manager) {
		super(manager);
	}