--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/trace/tracebuilder/com.nokia.tracebuilder.view/src/com/nokia/tracebuilder/view/ListNavigatorActionProvider.java	Wed Jun 23 14:35:40 2010 +0300
@@ -0,0 +1,217 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+* Navigator action provider
+*
+*/
+package com.nokia.tracebuilder.view;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.ui.ISharedImages;
+import org.eclipse.ui.PlatformUI;
+
+import com.nokia.tracebuilder.action.TraceViewActionProvider;
+import com.nokia.tracebuilder.model.TraceModelExtensionUpdateListener;
+import com.nokia.tracebuilder.model.TraceObject;
+
+/**
+ * Navigator action provider
+ * 
+ */
+final class ListNavigatorActionProvider implements TraceViewActionProvider {
+
+	/**
+	 * Action list
+	 */
+	private ArrayList<IAction> actions = new ArrayList<IAction>();
+
+	/**
+	 * The list to be navigated
+	 */
+	private ListWrapper listWrapper;
+
+	/**
+	 * Next action
+	 */
+	private Action nextAction;
+
+	/**
+	 * Previous action
+	 */
+	private Action previousAction;
+
+	/**
+	 * View reference
+	 */
+	private Object viewReference;
+
+	/**
+	 * Constructor
+	 * 
+	 * @param list
+	 *            the list wrapper to be navigated
+	 */
+	ListNavigatorActionProvider(ListWrapper list) {
+		this.listWrapper = list;
+		nextAction = new Action(Messages
+				.getString("ListNavigatorActionProvider.Next")) { //$NON-NLS-1$
+			@Override
+			public void run() {
+				listWrapper.showNext();
+			}
+		};
+		previousAction = new Action(Messages
+				.getString("ListNavigatorActionProvider.Previous")) { //$NON-NLS-1$
+			@Override
+			public void run() {
+				listWrapper.showPrevious();
+			}
+		};
+		actions.add(previousAction);
+		actions.add(nextAction);
+		nextAction.setImageDescriptor(PlatformUI.getWorkbench()
+				.getSharedImages().getImageDescriptor(
+						ISharedImages.IMG_TOOL_FORWARD));
+		previousAction.setImageDescriptor(PlatformUI.getWorkbench()
+				.getSharedImages().getImageDescriptor(
+						ISharedImages.IMG_TOOL_BACK));
+		nextAction.setDisabledImageDescriptor(PlatformUI.getWorkbench()
+				.getSharedImages().getImageDescriptor(
+						ISharedImages.IMG_TOOL_FORWARD_DISABLED));
+		previousAction.setDisabledImageDescriptor(PlatformUI.getWorkbench()
+				.getSharedImages().getImageDescriptor(
+						ISharedImages.IMG_TOOL_BACK_DISABLED));
+		// The list is initially at the end
+		nextAction.setEnabled(false);
+	}
+
+	/**
+	 * Enables / disables the previous action
+	 * 
+	 * @param flag
+	 *            the flag value
+	 */
+	void setPreviousEnabled(boolean flag) {
+		previousAction.setEnabled(flag);
+	}
+
+	/**
+	 * Enables / disables the next action
+	 * 
+	 * @param flag
+	 *            the flag value
+	 */
+	void setNextEnabled(boolean flag) {
+		nextAction.setEnabled(flag);
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.tracebuilder.engine.TraceViewActionProvider#getActions()
+	 */
+	public Iterator<IAction> getActions() {
+		return actions.iterator();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.tracebuilder.engine.TraceViewExtension#hideWhenEmpty()
+	 */
+	public boolean hideWhenEmpty() {
+		return false;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.tracebuilder.model.TraceModelExtension#
+	 *      setOwner(com.nokia.tracebuilder.model.TraceObject)
+	 */
+	public void setOwner(TraceObject owner) {
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.tracebuilder.model.TraceModelExtension#getOwner()
+	 */
+	public TraceObject getOwner() {
+		return null;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.tracebuilder.engine.TraceViewExtension#getChildren()
+	 */
+	public Iterator<?> getChildren() {
+		List<Object> list = Collections.emptyList();
+		return list.iterator();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.tracebuilder.engine.TraceViewExtension#hasChildren()
+	 */
+	public boolean hasChildren() {
+		return false;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.tracebuilder.model.TraceModelUpdatableExtension#
+	 *      addUpdateListener(com.nokia.tracebuilder.model.TraceModelExtensionUpdateListener)
+	 */
+	public void addUpdateListener(TraceModelExtensionUpdateListener listener) {
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.tracebuilder.model.TraceModelUpdatableExtension#
+	 *      removeUpdateListener(com.nokia.tracebuilder.model.TraceModelExtensionUpdateListener)
+	 */
+	public void removeUpdateListener(TraceModelExtensionUpdateListener listener) {
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.tracebuilder.engine.TraceViewExtension#getViewReference()
+	 */
+	public Object getViewReference() {
+		return viewReference;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.tracebuilder.engine.TraceViewExtension#setViewReference(java.lang.Object)
+	 */
+	public void setViewReference(Object reference) {
+		this.viewReference = reference;
+	}
+
+}