Fix static analysis warnings for UML2SD

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / views / uml2sd / handlers / PrevPage.java

diff --git a/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/uml2sd/handlers/PrevPage.java b/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/uml2sd/handlers/PrevPage.java
index 0b26f066a8135111a78e47ea16d29b678d620bde..f2b2849ea3a3360581a5993473556af0512afc45 100755 (executable)
--- a/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/uml2sd/handlers/PrevPage.java
+++ b/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/uml2sd/handlers/PrevPage.java
@@ -1,10 +1,11 @@
 /**********************************************************************
- * Copyright (c) 2005, 2008, 2011 IBM Corporation and others.
+ * Copyright (c) 2005, 2008 IBM Corporation and others.
+ * Copyright (c) 2011, 2012 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
- * $Id: PrevPage.java,v 1.3 2008/01/24 02:28:52 apnan Exp $
  * 
  * Contributors: 
  * IBM - Initial API and implementation
@@ -13,30 +14,50 @@
 package org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers;
 
 import org.eclipse.jface.action.Action;
-import org.eclipse.linuxtools.tmf.ui.ITmfImageConstants;
-import org.eclipse.linuxtools.tmf.ui.TmfUiPlugin;
+import org.eclipse.linuxtools.internal.tmf.ui.ITmfImageConstants;
+import org.eclipse.linuxtools.internal.tmf.ui.TmfUiPlugin;
 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.SDView;
 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.util.SDMessages;
 
 /**
+ * Action class implementation to move the focus to the previous page of the whole sequence diagram.
+ * 
+ * @version 1.0
  * @author sveyrier
  * 
  */
 public class PrevPage extends Action {
 
     // ------------------------------------------------------------------------
-    // Attributes
+    // Constants
     // ------------------------------------------------------------------------
+
+    /**
+     * The action ID.
+     */
     public final static String ID = "org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers.prevpage"; //$NON-NLS-1$
     
-    protected SDView view = null;
+    // ------------------------------------------------------------------------
+    // Attributes
+    // ------------------------------------------------------------------------
+
+    /**
+     * The sequence diagram view reference.
+     */
+    protected SDView fView = null;
 
     // ------------------------------------------------------------------------
     // Constructors
     // ------------------------------------------------------------------------
-    public PrevPage(SDView theView) {
+
+    /**
+     * Default constructor 
+     * 
+     * @param view the view reference
+     */
+    public PrevPage(SDView view) {
         super();
-        view = theView;
+        fView = view;
         setText(SDMessages._35);
         setToolTipText(SDMessages._37);
         setId(ID); 
@@ -44,7 +65,7 @@ public class PrevPage extends Action {
     }
 
     // ------------------------------------------------------------------------
-    // Operations
+    // Methods
     // ------------------------------------------------------------------------
     /*
      * (non-Javadoc)
@@ -52,13 +73,13 @@ public class PrevPage extends Action {
      */
     @Override
     public void run() {
-        if ((view == null) || (view.getSDWidget()) == null) {
+        if ((fView == null) || (fView.getSDWidget()) == null) {
             return;
         }
-        if (view.getSDPagingProvider() != null) {
-            view.getSDPagingProvider().prevPage();
+        if (fView.getSDPagingProvider() != null) {
+            fView.getSDPagingProvider().prevPage();
         }
-        view.updateCoolBar();
-        view.getSDWidget().redraw();
+        fView.updateCoolBar();
+        fView.getSDWidget().redraw();
     }
 }