/****************************/
/*  EESchema - viewlibs.cpp */
/****************************/

#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "class_drawpanel.h"
#include "confirm.h"
#include "eda_doc.h"

#include "program.h"
#include "libcmp.h"
#include "general.h"
#include "protos.h"

#include "id.h"

#define NEXT_PART     1
#define NEW_PART      0
#define PREVIOUS_PART -1


/* Routines locales */

/* Variables locales */

/*************************************************************************/
void WinEDA_ViewlibFrame::Process_Special_Functions( wxCommandEvent& event )
/*************************************************************************/
{
    wxString msg;
    EDA_LibComponentStruct* LibEntry;
    int     ii, id = event.GetId();
    wxPoint pos;

    wxGetMousePosition( &pos.x, &pos.y );
    pos.y += 20;

    switch( id )
    {
    case ID_LIBVIEW_SELECT_LIB:
        SelectCurrentLibrary();
        break;

    case ID_LIBVIEW_SELECT_PART:
        SelectAndViewLibraryPart( NEW_PART );
        break;

    case ID_LIBVIEW_NEXT:
        SelectAndViewLibraryPart( NEXT_PART );
        break;

    case ID_LIBVIEW_PREVIOUS:
        SelectAndViewLibraryPart( PREVIOUS_PART );
        break;

    case ID_LIBVIEW_VIEWDOC:
        LibEntry = FindLibPart( g_CurrentViewComponentName.GetData(),
                                g_CurrentViewLibraryName.GetData(), FIND_ALIAS );
        if( LibEntry && ( !LibEntry->m_DocFile.IsEmpty() ) )
            GetAssociatedDocument( this,
                                   g_RealLibDirBuffer,
                                   LibEntry->m_DocFile );
        break;

    case ID_LIBVIEW_DE_MORGAN_NORMAL_BUTT:
        m_HToolBar->ToggleTool( ID_LIBVIEW_DE_MORGAN_NORMAL_BUTT, TRUE );
        m_HToolBar->ToggleTool( ID_LIBVIEW_DE_MORGAN_CONVERT_BUTT, FALSE );
        g_ViewConvert = 1;
        DrawPanel->Refresh();
        break;

    case ID_LIBVIEW_DE_MORGAN_CONVERT_BUTT:
        m_HToolBar->ToggleTool( ID_LIBVIEW_DE_MORGAN_NORMAL_BUTT, FALSE );
        m_HToolBar->ToggleTool( ID_LIBVIEW_DE_MORGAN_CONVERT_BUTT, TRUE );
        g_ViewConvert = 2;
        DrawPanel->Refresh();
        break;

    case ID_LIBVIEW_SELECT_PART_NUMBER:
        ii = SelpartBox->GetChoice();
        if( ii < 0 )
            return;
        g_ViewUnit = ii + 1;
        DrawPanel->Refresh();
        break;

    default:
        msg << wxT( "WinEDA_ViewlibFrame::Process_Special_Functions error: id = " ) << id;
        DisplayError( this, msg );
        break;
    }
}


/*************************************************************************/
void WinEDA_ViewlibFrame::OnLeftClick( wxDC* DC, const wxPoint& MousePos )
/*************************************************************************/
{
}


/********************************************************************************/
bool WinEDA_ViewlibFrame::OnRightClick( const wxPoint& MousePos,
                                        wxMenu*        PopMenu )
/********************************************************************************/
{
    return true;
}


/**********************************************/
void WinEDA_ViewlibFrame::DisplayLibInfos()
/**********************************************/
/* Affiche en Ligne d'info la librairie en cours de visualisation */
{
    wxString       msg;
    LibraryStruct* Lib;

    Lib = FindLibrary( g_CurrentViewLibraryName );
    msg = _( "Library browser" );

    msg << wxT( " [" );

    if( Lib )
        msg << g_CurrentViewLibraryName;
    else
        msg += _( "none selected" );

    msg << wxT( "]" );
    SetTitle( msg );
}


/*****************************************/
/* Routine to Select Current library	  */
/*****************************************/
void WinEDA_ViewlibFrame::SelectCurrentLibrary()
{
    LibraryStruct* Lib;

    Lib = SelectLibraryFromList( this );
    if( Lib )
    {
        g_CurrentViewComponentName.Empty();
        g_CurrentViewLibraryName = Lib->m_Name;
        DisplayLibInfos();
        if( m_LibList )
        {
            ReCreateListCmp();
            DrawPanel->Refresh();
            DisplayLibInfos();
            ReCreateHToolbar();
            int id = m_LibList->FindString( g_CurrentViewLibraryName.GetData() );
            if( id >= 0 )
                m_LibList->SetSelection( id );
        }
    }
}


/**************************************************************/
void WinEDA_ViewlibFrame::SelectAndViewLibraryPart( int option )
/**************************************************************/
/* Routine to select and view library Part  (NEW, NEXT or PREVIOUS) */
{
    LibraryStruct* Lib;

    if( g_CurrentViewLibraryName.IsEmpty() )
        SelectCurrentLibrary();
    if( g_CurrentViewLibraryName.IsEmpty() )
        return;

    Lib = FindLibrary( g_CurrentViewLibraryName );
    if( Lib == NULL )
        return;

    if( ( g_CurrentViewComponentName.IsEmpty() ) || ( option == NEW_PART ) )
    {
        ViewOneLibraryContent( Lib, NEW_PART );
        return;
    }

    EDA_LibComponentStruct* LibEntry = FindLibPart(
        g_CurrentViewComponentName.GetData(),
        g_CurrentViewLibraryName,
        FIND_ALIAS );

    if( LibEntry == NULL )
        return;

    if( option == NEXT_PART )
        ViewOneLibraryContent( Lib, NEXT_PART );

    if( option == PREVIOUS_PART )
        ViewOneLibraryContent( Lib, PREVIOUS_PART );
}


/*************************************************/
/* Routine to view one selected library content. */
/*************************************************/
void WinEDA_ViewlibFrame::ViewOneLibraryContent( LibraryStruct* Lib, int Flag )
{
    int        NumOfParts = 0;
    EDA_LibComponentStruct* LibEntry, * PreviousLibEntry;
    wxString   CmpName;
    wxClientDC dc( DrawPanel );


    DrawPanel->PrepareGraphicContext( &dc );

    if( Lib )
        NumOfParts = Lib->m_NumOfParts;

    if( NumOfParts == 0 )
    {
        DisplayError( this, wxT( "No Library or Library is empty!" ) );
        return;
    }

    if( Lib == NULL )
        return;

    PQCompFunc( (PQCompFuncType) LibraryEntryCompare );
    LibEntry = (EDA_LibComponentStruct*) PQFirst( &Lib->m_Entries, FALSE );

    if( Flag == NEW_PART )
    {
        DisplayComponentsNamesInLib( this,
                                     Lib,
                                     CmpName,
                                     g_CurrentViewComponentName );
    }

    if( Flag == NEXT_PART )
    {
        LibEntry = (EDA_LibComponentStruct*) PQFirst( &Lib->m_Entries, FALSE );
        while( LibEntry )
        {
            if( LibEntry->m_Name.m_Text == g_CurrentViewComponentName )
            {
                LibEntry = (EDA_LibComponentStruct*)
                           PQNext( Lib->m_Entries, LibEntry, NULL );
                break;
            }
            LibEntry = (EDA_LibComponentStruct*)
                       PQNext( Lib->m_Entries, LibEntry, NULL );
        }

        if( LibEntry == NULL )
            LibEntry = (EDA_LibComponentStruct*) PQFirst( &Lib->m_Entries,
                                                          FALSE );
        if( LibEntry )
            CmpName = LibEntry->m_Name.m_Text;
    }

    if( Flag == PREVIOUS_PART )
    {
        PreviousLibEntry = NULL;
        LibEntry = (EDA_LibComponentStruct*) PQFirst( &Lib->m_Entries, FALSE );
        while( LibEntry )
        {
            if( LibEntry->m_Name.m_Text == g_CurrentViewComponentName )
            {
                if( PreviousLibEntry )
                    break;

                /* else : pointage sur 1er element :
                 *  balayage de la liste et Previous pointera dernier element */
            }

            PreviousLibEntry = LibEntry;
            LibEntry = (EDA_LibComponentStruct*)
                       PQNext( Lib->m_Entries, LibEntry, NULL );
        }

        if( PreviousLibEntry )
            CmpName = PreviousLibEntry->m_Name.m_Text;
    }

    g_ViewUnit    = 1;
    g_ViewConvert = 1;

    LibEntry = FindLibPart( CmpName.GetData(), Lib->m_Name, FIND_ALIAS );
    g_CurrentViewComponentName = CmpName;
    DisplayLibInfos();
    Zoom_Automatique( FALSE );
    RedrawActiveWindow( &dc, TRUE );

    if( m_CmpList )
    {
        int id = m_CmpList->FindString( g_CurrentViewComponentName.GetData() );
        if( id >= 0 )
            m_CmpList->SetSelection( id );
    }
    ReCreateHToolbar();
}


/*****************************************************************************/
/* Routine d'affichage du composant selectionne                              */
/*	Si Le composant est un alias, le composant ROOT est recherche et affiche */
/*****************************************************************************/
void WinEDA_ViewlibFrame::RedrawActiveWindow( wxDC* DC, bool EraseBg )
{
    EDA_LibComponentStruct* LibEntry     = NULL;
    LibCmpEntry*            ViewCmpEntry = NULL;
    const wxChar*           RootName, * CmpName;
    wxString Msg;

    ActiveScreen = GetScreen();

    if( *g_CurrentViewComponentName )
    {
        LibEntry = FindLibPart( g_CurrentViewComponentName.GetData(),
                                g_CurrentViewLibraryName, FIND_ALIAS );
        ViewCmpEntry = (LibCmpEntry*) LibEntry;
    }

    /* Forcage de la reinit de la brosse et plume courante */
    GRResetPenAndBrush( DC );
    DC->SetBackground( *wxBLACK_BRUSH );
    DC->SetBackgroundMode( wxTRANSPARENT );

    if( EraseBg )
        DrawPanel->EraseScreen( DC );

    DrawPanel->DrawBackGround( DC );

    if( LibEntry )
    {
        CmpName = LibEntry->m_Name.m_Text.GetData();
        if( LibEntry->Type != ROOT )
        {
            RootName =
                ( (EDA_LibCmpAliasStruct*) LibEntry )->m_RootName.GetData();
            Msg.Printf( _( "Current Part: <%s> (is Alias of <%s>)" ),
                        CmpName, RootName );
            LibEntry = FindLibPart( RootName,
                                    g_CurrentViewLibraryName,
                                    FIND_ROOT );

            if( LibEntry == NULL )
            {
                Msg.Printf( _( "Error: Root Part <%s> not found" ), RootName );
                DisplayError( this, Msg );
            }
            else
            {
                /* Affichage du composant ROOT, avec nom de l'alias */
                wxString RealName;
                RealName = LibEntry->m_Name.m_Text;
                LibEntry->m_Name.m_Text = CmpName;
                if( g_ViewUnit < 1 )
                    g_ViewUnit = 1;
                if( g_ViewConvert < 1 )
                    g_ViewConvert = 1;
                DrawLibEntry( DrawPanel, DC, LibEntry, wxPoint( 0, 0 ),
                              g_ViewUnit, g_ViewConvert, GR_DEFAULT_DRAWMODE );
                LibEntry->m_Name.m_Text = RealName;
            }
        }
        else
        {
            Msg.Printf( _( "Current Part: <%s>" ),
                        ViewCmpEntry->m_Name.m_Text.GetData() );
            DrawLibEntry( DrawPanel, DC, LibEntry, wxPoint( 0, 0 ),
                          g_ViewUnit, g_ViewConvert, GR_DEFAULT_DRAWMODE );
        }
        AfficheDoc( this, ViewCmpEntry->m_Doc, ViewCmpEntry->m_KeyWord );
    }

    SetStatusText( Msg, 0 );

    DrawPanel->Trace_Curseur( DC );
}