/*

* Copyright (c) 2004-2008 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.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using CrashAnalyserEngine.Interfaces;

using CrashAnalyserEngine.Plugins;

using CrashAnalyserEngine.Tabs;

using CrashAnalyser.Menu;

using CrashAnalyserEngine.Engine;

using SymbianTabStripLib.Manager;

namespace CrashAnalyser.UI

{

    internal partial class CAGraphicalUI : Form, IEngineUIManager

    {

        #region Constructors

        public CAGraphicalUI( CAEngine aEngine )

        {

            iEngine = aEngine;

            // Must call this to ensure that UI components are created before

            // we load the crash analyser plugins.

            InitializeComponent();

            // Create tab manager to oversee all tab items

            iTabManager = new TabStripManager( iTabStrip, this );

            iTabManager.AutoHide = true;

            // Listen for tab change events

            iMenuManager = new CAMenuManager( iEngine.Settings, iMenu, iTabManager );

            // Now it's safe to do this - the menu items that each plugin hangs off of

            // will have been created

            iEngine.UIManager = this;

            // Restore settings needed to position & size form

            iEngine.Settings.Load( "GraphicalUI", this );

        }

        #endregion

        #region API

        #endregion

        #region Event handlers

        private void iMenu_File_DropDownOpening( object sender, EventArgs e )

        {

            ShowOrHideMenu( iMenu_File, iMenu_File_SaveAs );

            ShowOrHideMenu( iMenu_File, iMenu_File_New );

            // Hide the separator if no save as or new menu item

            iMenu_File_ExitSep.Visible = ( iMenu_File_SaveAs.DropDownItems.Count > 0 || iMenu_File_New.DropDownItems.Count > 0 );

        }

        private void iMenu_File_Exit_Click( object sender, EventArgs e )

        {

            this.Close();

        }

        private void CAGraphicalUI_Load( object sender, EventArgs e )

        {

        }

        private void CAGraphicalUI_FormClosing( object sender, FormClosingEventArgs e )

        {

            iEngine.Settings.Save( "GraphicalUI", this );

        }

        private void TabStrip_TabCloseRequestReceiver( SymbianTabStripLib.Tabs.TabStripTab aTab )

        {

            if ( aTab.Page != null && aTab.Page.Body != null )

            {

                CATab body = aTab.Page.Body as CATab;

                if ( body != null )

                {

                    UIManagerContentClose( body );

                }

            }

        }

        private void CAGraphicalUI_LocationChanged( object sender, EventArgs e )

        {

        }

        private void CAGraphicalUI_Resize( object sender, EventArgs e )

        {

        }

        #endregion

        #region Internal methods

        private void SetLabelVisibility( bool aVisible )

        {

            iLbl_Title.Visible = aVisible;

            iLbl_Copyright.Visible = aVisible;

        }

        private void ShowOrHideMenu( ToolStripMenuItem aParent, ToolStripMenuItem aMenu )

        {

            int count = aMenu.DropDownItems.Count;

            bool added = aParent.DropDownItems.Contains( aMenu );

            aMenu.Visible = ( count > 0 );

        } 

        #endregion

        #region IEngineUIManager Members

        public void UIManagerContentAdd( CATab aTab )

        {

            iTabManager.Add( aTab );

            SetLabelVisibility( iTabManager.TabCount > 0 );

        }

        public void UIManagerContentClose( CATab aTab )

        {

            iTabManager.Remove( aTab );

            SetLabelVisibility( iTabManager.TabCount == 0 );

        }

        public void UIManagerMenuItemAdd( TEngineUIMenuPane aPane, string aCaption, UIMenuItemClickHandler aClickHandler, object aTag )

        {

            UIManagerMenuItemAdd( aPane, aCaption, aClickHandler, aTag, null );

        }

        public void UIManagerMenuItemAdd( TEngineUIMenuPane aPane, string aCaption, UIMenuItemClickHandler aClickHandler, object aTag, CATab aHost )

        {

            ToolStripMenuItem parent = null;

            //

            switch ( aPane )

            {

            case TEngineUIMenuPane.EFileNew:

                parent = iMenu_File_New;

                break;

            case TEngineUIMenuPane.EFileSaveAs:

                parent = iMenu_File_SaveAs;

                break;

            }

            //

            if ( parent != null )

            {

                iMenuManager.Add( parent, aCaption, aClickHandler, aTag, aHost );

            } 

        }

        public Version UIVersion

        {

            get { return System.Reflection.Assembly.GetExecutingAssembly().GetName().Version; }

        }

        public string UICommandLineArguments

        {

            get { return Environment.CommandLine; }

        }

        public bool UIIsSilent

        {

            get { return false; }

        }

        public void UITrace( string aMessage )

        {

            if ( iDebug )

            {

                StringBuilder text = new StringBuilder( aMessage );

                text.Insert( 0, string.Format( "[{0:x6}] ", System.Threading.Thread.CurrentThread.ManagedThreadId ) );

                //

                System.Diagnostics.Debug.WriteLine( text.ToString() );

            }

        }

        public void UITrace( string aFormat, params object[] aParams )

        {

            string msg = string.Format( aFormat, aParams );

            UITrace( msg );

        }

        #endregion

        #region Data members

        private bool iDebug = true;

        private readonly CAEngine iEngine;

        private readonly CAMenuManager iMenuManager;

        private readonly TabStripManager iTabManager;

        #endregion

    }

}