/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * 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 "TableWindowTitle.hxx"
#include "TableWindow.hxx"
#include "QueryTableView.hxx"
#include <vcl/svapp.hxx>
#include <vcl/help.hxx>
#include <vcl/menu.hxx>
#include <vcl/settings.hxx>
#include <tools/debug.hxx>
#include "dbustrings.hrc"
#include <sfx2/cntids.hrc>
#include "TableWindowListBox.hxx"
#include "TableConnection.hxx"
#include "dbu_qry.hrc"
#include "QueryDesignView.hxx"
#include "JoinController.hxx"

#include <algorithm>

using namespace dbaui;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::uno;
// class OTableWindowTitle
OTableWindowTitle::OTableWindowTitle( OTableWindow* pParent ) :
     FixedText( pParent, WB_3DLOOK|WB_LEFT|WB_NOLABEL|WB_VCENTER )
    ,m_pTabWin( pParent )
{
    // set background- and text colour
    StyleSettings aSystemStyle = Application::GetSettings().GetStyleSettings();
    SetBackground(Wallpaper(Color(aSystemStyle.GetFaceColor())));
    SetTextColor(aSystemStyle.GetButtonTextColor());

    vcl::Font aFont( GetFont() );
    aFont.SetTransparent( true );
    SetFont( aFont );
}

OTableWindowTitle::~OTableWindowTitle()
{
    disposeOnce();
}

void OTableWindowTitle::dispose()
{
    m_pTabWin.clear();
    FixedText::dispose();
}

void OTableWindowTitle::GetFocus()
{
    if(m_pTabWin)
        m_pTabWin->GetFocus();
    else
        FixedText::GetFocus();
}

void OTableWindowTitle::LoseFocus()
{
    if (m_pTabWin)
        m_pTabWin->LoseFocus();
    else
        FixedText::LoseFocus();
}

void OTableWindowTitle::RequestHelp( const HelpEvent& rHEvt )
{
    if(m_pTabWin)
    {
        OUString aHelpText = m_pTabWin->GetComposedName();
        if( !aHelpText.isEmpty())
        {
            // show help
            Rectangle aItemRect(Point(0,0),GetSizePixel());
            aItemRect = LogicToPixel( aItemRect );
            Point aPt = OutputToScreenPixel( aItemRect.TopLeft() );
            aItemRect.Left()   = aPt.X();
            aItemRect.Top()    = aPt.Y();
            aPt = OutputToScreenPixel( aItemRect.BottomRight() );
            aItemRect.Right()  = aPt.X();
            aItemRect.Bottom() = aPt.Y();
            if( rHEvt.GetMode() == HelpEventMode::BALLOON )
                Help::ShowBalloon( this, aItemRect.Center(), aItemRect, aHelpText);
            else
                Help::ShowQuickHelp( this, aItemRect, aHelpText );
        }
    }
}

void OTableWindowTitle::Command( const CommandEvent& rEvt )
{
    if ( rEvt.GetCommand() == CommandEventId::ContextMenu )
    {
        GrabFocus();
        if ( m_pTabWin )
            m_pTabWin->Command( rEvt );
        else
            Control::Command(rEvt);
    }
}

void OTableWindowTitle::KeyInput( const KeyEvent& rEvt )
{
    if ( m_pTabWin )
        m_pTabWin->KeyInput( rEvt );
}

void OTableWindowTitle::MouseButtonDown( const MouseEvent& rEvt )
{
    if( rEvt.IsLeft() )
    {
        if( rEvt.GetClicks() == 2)
        {
            Size aSize(GetTextWidth(GetText()) + 20,
                        m_pTabWin->GetSizePixel().Height() - m_pTabWin->GetListBox()->GetSizePixel().Height());

            aSize.Height() += (m_pTabWin->GetListBox()->GetEntryCount() + 2) * m_pTabWin->GetListBox()->GetEntryHeight();
            if(m_pTabWin->GetSizePixel() != aSize)
            {
                m_pTabWin->SetSizePixel(aSize);

                OJoinTableView* pView = static_cast<OJoinTableView*>(m_pTabWin->getTableView());
                OSL_ENSURE(pView,"No OJoinTableView!");
                for (auto conn : pView->getTableConnections())
                    conn->RecalcLines();

                pView->InvalidateConnections();
                pView->getDesignView()->getController().setModified(sal_True);
                pView->Invalidate(INVALIDATE_NOCHILDREN);
            }
        }
        else
        {
            Point aPos = rEvt.GetPosPixel();
            aPos = OutputToScreenPixel( aPos );
            OJoinTableView* pView = static_cast<OJoinTableView*>(m_pTabWin->getTableView());
            OSL_ENSURE(pView,"No OJoinTableView!");
            pView->NotifyTitleClicked( static_cast<OTableWindow*>(GetParent()), aPos );
        }
        GrabFocus();
    }
    else
        Control::MouseButtonDown( rEvt );
}

void OTableWindowTitle::DataChanged(const DataChangedEvent& rDCEvt)
{
    if (rDCEvt.GetType() == DataChangedEventType::SETTINGS)
    {
        // assume worst-case: colours have changed, therefore I have to adept
        StyleSettings aSystemStyle = Application::GetSettings().GetStyleSettings();
        SetBackground(Wallpaper(Color(aSystemStyle.GetFaceColor())));
        SetTextColor(aSystemStyle.GetButtonTextColor());
    }
}

void OTableWindowTitle::StateChanged( StateChangedType nType )
{
    Window::StateChanged( nType );

    if ( nType == StateChangedType::Zoom )
    {
        const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();

        vcl::Font aFont = rStyleSettings.GetGroupFont();
        if ( IsControlFont() )
            aFont.Merge( GetControlFont() );
        SetZoomedPointFont( aFont );

        Resize();
    }
}

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