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/**********************************************************************
* 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 v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* 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.BaseMessage;
import org.eclipse.tracecompass.tmf.ui.views.uml2sd.core.GraphNode;
import org.eclipse.tracecompass.tmf.ui.views.uml2sd.core.SyncMessage;
import org.eclipse.tracecompass.tmf.ui.views.uml2sd.core.SyncMessageReturn;
/**
* Action Class implementation to move to selected message
*
* @version 1.0
* @author sveyrier
*
*/
public class MoveToMessage extends BaseSDAction {
// ------------------------------------------------------------------------
// Constants
// ------------------------------------------------------------------------
/**
* The action ID.
*/
public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers.GoToMessage"; //$NON-NLS-1$
// ------------------------------------------------------------------------
// Constructors
// ------------------------------------------------------------------------
/**
* Default Constructor
*/
public MoveToMessage() {
this(null);
}
/**
* Constructor
*
* @param view a sequence diagram view reference
*/
public MoveToMessage(SDView view) {
super(view);
setId(ID);
setActionDefinitionId(ID);
setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(ITmfImageConstants.IMG_UI_SEARCH_MATCH));
}
// ------------------------------------------------------------------------
// Methods
// ------------------------------------------------------------------------
@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()) {
Object node = it.next();
if (node instanceof BaseMessage) {
selectedNode = node;
}
}
if (selectedNode == null) {
return;
}
if (selectedNode instanceof SyncMessageReturn) {
GraphNode node = ((SyncMessageReturn) selectedNode).getMessage();
sdWidget.clearSelection();
sdWidget.addSelection(node);
sdWidget.ensureVisible(node);
sdWidget.redraw();
} else if (selectedNode instanceof SyncMessage) {
GraphNode node = ((SyncMessage) selectedNode).getMessageReturn();
sdWidget.clearSelection();
sdWidget.addSelection(node);
sdWidget.ensureVisible(node);
sdWidget.redraw();
}
}
}
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