/*

* 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:

*

* Handler for add parameter command

*

*/

package com.nokia.tracebuilder.action;

import com.nokia.tracebuilder.engine.LastKnownLocation;

import com.nokia.tracebuilder.engine.TraceBuilderGlobals;

import com.nokia.tracebuilder.engine.TraceBuilderHelp;

import com.nokia.tracebuilder.engine.TraceLocation;

import com.nokia.tracebuilder.model.Trace;

import com.nokia.tracebuilder.model.TraceBuilderException;

import com.nokia.tracebuilder.model.TraceObject;

import com.nokia.tracebuilder.rules.ReadOnlyObjectRule;

import com.nokia.tracebuilder.rules.TraceParameterRestrictionRule;

/**

 * Handler for add parameter command

 * 

 */

final class AddParameterAction extends TraceBuilderAction {

	/**

	 * Constructor

	 */

	AddParameterAction() {

		setText(Messages.getString("AddParameterAction.Title")); //$NON-NLS-1$

		setToolTipText(Messages.getString("AddParameterAction.Tooltip")); //$NON-NLS-1$

		setDefaultProperties(ActionIDs.ADD_PARAMETER_ACTION_ID,

				TraceBuilderHelp.ADD_PARAMETER_HELP_CONTEXT);

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see com.nokia.tracebuilder.action.TraceBuilderAction#doRun()

	 */

	@Override

	protected void doRun() throws TraceBuilderException {

		TraceBuilderGlobals.getTraceBuilder().addParameter();

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see com.nokia.tracebuilder.action.TraceBuilderAction#getEnabledFlag(java.lang.Object)

	 */

	@Override

	protected boolean getEnabledFlag(Object selectedObject) {

		boolean retval;

		selectedObject = locationToTrace(selectedObject);

		// Currently only traces can have parameters

		if (selectedObject instanceof Trace) {

			ReadOnlyObjectRule readOnly = ((Trace) selectedObject)

					.getExtension(ReadOnlyObjectRule.class);

			TraceParameterRestrictionRule restriction = ((Trace) selectedObject)

					.getExtension(TraceParameterRestrictionRule.class);

			if (readOnly != null

					|| (restriction != null && !restriction.canAddParameters())) {

				retval = false;

			} else {

				retval = true;

			}

		} else {

			retval = false;

		}

		return retval;

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see com.nokia.tracebuilder.action.TraceBuilderAction#isInPopupMenu(java.lang.Object)

	 */

	@Override

	protected boolean isInPopupMenu(Object selectedObject) {

		Object parent = locationToTrace(selectedObject);

		return isEnabled() && (parent instanceof TraceObject)

				&& !(selectedObject instanceof TraceLocation)

				&& !(selectedObject instanceof LastKnownLocation);

	}

}