plugins/org.eclipse.graphiti.ui/src/org/eclipse/graphiti/ui/internal/editor/GFMarqueeDragTracker.java

/*********************************************************************
* Copyright (c) 2005, 2019 SAP SE
*
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at https://www.eclipse.org/legal/epl-2.0/
*
* Contributors:
*    SAP SE - initial API, implementation and documentation
*    fvelasco - Bug 403664 - Enable DoubleClickFeature on the diagram background
*
* SPDX-License-Identifier: EPL-2.0
**********************************************************************/
package org.eclipse.graphiti.ui.internal.editor;

import org.eclipse.gef.DragTracker;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.RequestConstants;
import org.eclipse.gef.requests.SelectionRequest;

/**
 * Drag tracker to promote GFMarqueeSelectionTool.
 * 
 * @noinstantiate This class is not intended to be instantiated by clients.
 * @noextend This class is not intended to be subclassed by clients.
 */
public class GFMarqueeDragTracker extends GFMarqueeSelectionTool implements DragTracker {

	private EditPart editPart;

	public GFMarqueeDragTracker(EditPart editPart) {
		this.editPart = editPart;
	}

	/**
	 * Called when the mouse button is released. Overridden to do nothing, since
	 * a drag tracker does not need to unload when finished.
	 */
	@Override
	protected void handleFinished() {
	}

	@Override
	protected boolean handleDoubleClick(int button) {
		SelectionRequest request = new SelectionRequest();
		request.setLocation(getLocation());
		request.setType(RequestConstants.REQ_OPEN);
		editPart.performRequest(request);
		
		return true;
	}
}