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/**********************************************************************
* Copyright (c) 2005, 2013 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.linuxtools.tmf.ui.views.uml2sd.handlers;
import org.eclipse.linuxtools.tmf.ui.views.uml2sd.SDView;
import org.eclipse.linuxtools.tmf.ui.views.uml2sd.SDWidget;
/**
* Action class implementation to move left in the sequence diagram view within a page.
*
* @version 1.0
* @author sveyrier
*
*/
public class MoveSDLeft extends BaseSDAction {
// ------------------------------------------------------------------------
// Constants
// ------------------------------------------------------------------------
/**
* The action ID.
*/
public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers.MoveSDLeft"; //$NON-NLS-1$
// ------------------------------------------------------------------------
// Constructors
// ------------------------------------------------------------------------
/**
* Default constructor
*/
public MoveSDLeft(){
this(null);
}
/**
* Constructor
*
* @param view a sequence diagram view reference
*/
public MoveSDLeft(SDView view) {
super(view);
setId(ID);
setActionDefinitionId(ID);
}
// ------------------------------------------------------------------------
// Operations
// ------------------------------------------------------------------------
@Override
public void run() {
if (getView() == null) {
return;
}
SDWidget viewer = getView().getSDWidget();
if (viewer != null) {
viewer.scrollBy(-viewer.getVisibleWidth(), 0);
}
}
}
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