/*

* Copyright (c) 2009 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:

*

*/

using System;

using System.Text;

using System.Collections.Generic;

using SymbianStructuresLib.Debug.Trace;

using SymbianDebugLib.PluginAPI.Types.Trace;

using CrashItemLib.Crash;

using CrashItemLib.Crash.Base;

using CrashItemLib.Crash.Base.DataBinding;

using CrashItemLib.Crash.Utils;

using CrashItemLib.Crash.Container;

namespace CrashItemLib.Crash.Traces

{

    [CIDBAttributeColumn( "Prefix", 0 )]

    [CIDBAttributeColumn( "Payload", 1, true )]

    [CIDBAttributeColumn( "Suffix", 2 )]

    public class CITraceData : CIElement, IEnumerable<CITrace>

    {

        #region Constructors

        [CIElementAttributeMandatory()]

        public CITraceData( CIContainer aContainer )

            : base( aContainer )

        {

            // Restrict children to traces

            base.AddSupportedChildType( typeof( CITrace ) );

            // Must be done at the end because it creates elements

            base.IsToBeFinalizedLast = true;

        }

        #endregion

        #region API

        #endregion

        #region Properties

        public byte[] RawData

        {

            get { return iRawData != null ? iRawData : new byte[] { }; }

            set

            {

                iRawData = value;

            }

        }

        public TraceLine[] Lines

        {

            get

            {

                TraceLine[] ret = iLines;

                if ( ret == null )

                {

                    ret = new TraceLine[] { };

                }

                return ret;

            }

        }

        #endregion

        #region From IEnumerable<CITrace>

        public new IEnumerator<CITrace> GetEnumerator()

        {

            foreach ( CIElement element in base.Children )

            {

                if ( element is CITrace )

                {

                    CITrace reg = (CITrace) element;

                    yield return reg;

                }

            }

        }

        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()

        {

            foreach ( CIElement element in base.Children )

            {

                if ( element is CITrace )

                {

                    CITrace reg = (CITrace) element;

                    yield return reg;

                }

            }

        }

        #endregion

        #region From CIElementBase

        public override void PrepareRows()

        {

            DataBindingModel.ClearRows();

            // Our data binding model is based upon the trace object, rather

            // than any key-value-pair properties.

            foreach ( CITrace t in this )

            {

                DataBindingModel.Add( t );

            }

        }

        internal override void OnFinalize( CIElementFinalizationParameters aParams )

        {

            base.OnFinalize( aParams );

            //

            DecodeTraces( aParams.DebugEngine.TraceDictionaries );

        }

        #endregion

        #region Internal methods

        private void DecodeTraces( DbgEngineTrace aTraceDecoder )

        {

            if ( iRawData != null )

            {

                iLines = aTraceDecoder.Decode( iRawData );

                if ( iLines != null && iLines.Length > 0 )

                {

                    foreach ( TraceLine line in iLines )

                    {

                        CITrace entry = new CITrace( base.Container, line );

                        base.AddChild( entry );

                    }

                }

            }

        }

        #endregion

        #region Data members

        private byte[] iRawData = null;

        private TraceLine[] iLines = null;

        #endregion

    }

}