| /********************************************************************** |
| * Copyright (c) 2005, 2014 IBM Corporation, Ericsson |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM - Initial API and implementation |
| * Bernd Hufmann - Updated for TMF |
| **********************************************************************/ |
| |
| package org.eclipse.tracecompass.tmf.ui.views.uml2sd.handlers; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.tracecompass.internal.tmf.ui.Activator; |
| import org.eclipse.tracecompass.internal.tmf.ui.ITmfImageConstants; |
| import org.eclipse.tracecompass.tmf.ui.views.uml2sd.SDView; |
| import org.eclipse.tracecompass.tmf.ui.views.uml2sd.SDWidget; |
| import org.eclipse.tracecompass.tmf.ui.views.uml2sd.core.GraphNode; |
| |
| /** |
| * Action class implementation to show end of a graph node. |
| * |
| * @author sveyrier |
| */ |
| public class ShowNodeEnd extends BaseSDAction { |
| |
| // ------------------------------------------------------------------------ |
| // Constructors |
| // ------------------------------------------------------------------------ |
| /** |
| * Default constructor |
| */ |
| public ShowNodeEnd() { |
| this(null); |
| } |
| |
| /** |
| * Constructor |
| * |
| * @param view The sequence diagram view reference |
| */ |
| public ShowNodeEnd(SDView view) { |
| super(view); |
| setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(ITmfImageConstants.IMG_UI_NODE_END)); |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Operations |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| public void run() { |
| if (getView() == null) { |
| return; |
| } |
| |
| SDWidget sdWidget = getView().getSDWidget(); |
| |
| if (sdWidget == null) { |
| return; |
| } |
| |
| ISelectionProvider selProvider = sdWidget.getSelectionProvider(); |
| ISelection sel = selProvider.getSelection(); |
| Object selectedNode = null; |
| |
| Iterator<Object> it = ((StructuredSelection) sel).iterator(); |
| while (it.hasNext()) { |
| selectedNode = it.next(); |
| } |
| |
| if (selectedNode != null) { |
| GraphNode node = (GraphNode) selectedNode; |
| if ((node.getX() + node.getWidth()) * sdWidget.getZoomFactor() < sdWidget.getContentsX() + sdWidget.getVisibleWidth() / 2) { |
| sdWidget.ensureVisible(Math.round((node.getX() + node.getWidth()) * sdWidget.getZoomFactor()) - sdWidget.getVisibleWidth() / 2, Math.round((node.getY() + node.getHeight()) * sdWidget.getZoomFactor())); |
| } else { |
| sdWidget.ensureVisible(Math.round((node.getX() + node.getWidth()) * sdWidget.getZoomFactor() + sdWidget.getVisibleWidth() / (float) 2), Math.round((node.getY() + node.getHeight()) * sdWidget.getZoomFactor())); |
| } |
| } |
| } |
| } |