/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include "SvxSBFontNameBox.hxx"

#include <unotools/fontoptions.hxx>
#include <sfx2/objsh.hxx>
#include <sfx2/dispatch.hxx>
#include <editeng/flstitem.hxx>
#include <editeng/editids.hrc>
#include <editeng/fontitem.hxx>
#include <vcl/builder.hxx>

const static sal_uInt16 MAX_MRU_FONTNAME_ENTRIES = 5;


namespace svx { namespace sidebar {

namespace {
    bool GetDocFontList_Impl( const FontList** ppFontList, SvxSBFontNameBox* pBox )
    {
        bool bChanged = false;
        const SfxObjectShell* pDocSh = SfxObjectShell::Current();
        SvxFontListItem* pFontListItem = NULL;

        if ( pDocSh )
            pFontListItem =
                (SvxFontListItem*)pDocSh->GetItem( SID_ATTR_CHAR_FONTLIST );

        if ( pFontListItem )
        {
            const FontList* pNewFontList = pFontListItem->GetFontList();
            DBG_ASSERT( pNewFontList, "Doc-FontList not available!" );

            if ( !*ppFontList )
            {
                *ppFontList = pNewFontList;
                bChanged = true;
            }
            else
            {
                bChanged = ( *ppFontList != pNewFontList );
                if( !bChanged && pBox!=NULL )
                    bChanged = ( pBox->GetListCount() != pNewFontList->GetFontNameCount() );
                //HACK(vergleich ist unvollstaendig)
                if ( bChanged )
                    *ppFontList = pNewFontList;
            }

            if ( pBox )
                pBox->Enable();
        }
        else if ( pBox )
            pBox->Disable();

        // in die FontBox ggf. auch die neue Liste f"ullen
        if ( pBox && bChanged )
        {
            if ( *ppFontList )
                pBox->Fill( *ppFontList );
            else
                pBox->Clear();
        }
        return bChanged;
    }
}

SvxSBFontNameBox::SvxSBFontNameBox( Window* pParent ) :
    FontNameBox ( pParent, WB_LEFT|WB_VCENTER|WB_3DLOOK|WB_TABSTOP|WB_DROPDOWN )
,   pFontList   ( NULL )
,   nFtCount    ( 0 )
,   pBindings(NULL)
{
    EnableControls_Impl();
    EnableAutoSize(true);
//  StartListening( *SFX_APP() );
}

extern "C" SAL_DLLPUBLIC_EXPORT Window* SAL_CALL makeSvxSBFontNameBox(Window *pParent, VclBuilder::stringmap &)
{
    return new SvxSBFontNameBox(pParent);
}

void SvxSBFontNameBox::EnableControls_Impl()
{
    SvtFontOptions aFontOpt;
    bool bEnable = aFontOpt.IsFontHistoryEnabled();
    sal_uInt16 nEntries = bEnable ? MAX_MRU_FONTNAME_ENTRIES : 0;
    if ( GetMaxMRUCount() != nEntries )
    {
        // refill in the next GetFocus-Handler
        pFontList = NULL;
        Clear();
        SetMaxMRUCount( nEntries );
    }

    bEnable = aFontOpt.IsFontWYSIWYGEnabled();
    EnableWYSIWYG( bEnable );
}

void SvxSBFontNameBox::FillList()
{
    Selection aOldSel = GetSelection();
    GetDocFontList_Impl( &pFontList, this );
    aCurText = GetText();
    SetSelection( aOldSel );
}

long SvxSBFontNameBox::PreNotify( NotifyEvent& rNEvt )
{
    const sal_uInt16 nType (rNEvt.GetType());

    if ( EVENT_MOUSEBUTTONDOWN == nType || EVENT_GETFOCUS == nType )
        FillList();
    return FontNameBox::PreNotify( rNEvt );
}
//<<modify
long SvxSBFontNameBox::Notify( NotifyEvent& rNEvt) //SfxBroadcaster& rBC, const SfxHint& rHint
{
    //SfxItemSetHint* pHint = PTR_CAST(SfxItemSetHint, &rHint);
    //if ( pHint )
    //  EnableControls_Impl();
    bool bHandle = 0;
    if ( rNEvt.GetType() == EVENT_KEYINPUT )
    {
        const sal_uInt16 nCode (rNEvt.GetKeyEvent()->GetKeyCode().GetCode());

        if( nCode == KEY_RETURN)
        {
            bHandle = 1;
            Select();
        }
    }

    return bHandle ? bHandle : FontNameBox::Notify( rNEvt );
}
void SvxSBFontNameBox::Select()
{
    FontNameBox::Select();

    if ( !IsTravelSelect() )
    {
        FillList();
        FontInfo aInfo( pFontList->Get( GetText(),WEIGHT_NORMAL, ITALIC_NORMAL ) );//meWeight, meItalic

        SvxFontItem aFontItem( aInfo.GetFamily(), aInfo.GetName(), aInfo.GetStyleName(),
            aInfo.GetPitch(), aInfo.GetCharSet(), SID_ATTR_CHAR_FONT );

        pBindings->GetDispatcher()->Execute( SID_ATTR_CHAR_FONT, SFX_CALLMODE_RECORD, &aFontItem, 0L );
        pBindings->Invalidate(SID_ATTR_CHAR_FONT,true,false);
    }
}
void SvxSBFontNameBox::SetBindings(SfxBindings* pB)
{
    pBindings = pB;
}

} } // end of namespace svx::sidebar