/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: AddField.cxx,v $
 * $Revision: 1.5 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/
#include "precompiled_reportdesign.hxx"
#include "AddField.hxx"
#include "UITools.hxx"
#include <svx/dbaexchange.hxx>
#include <svx/svdpagv.hxx>
#include <com/sun/star/sdb/CommandType.hpp>
#include <com/sun/star/util/URL.hpp>
#include <com/sun/star/sdb/XDocumentDataSource.hpp>
#include <com/sun/star/util/URL.hpp>
#include <com/sun/star/i18n/XCollator.hpp>

#include <vcl/waitobj.hxx>
#include <vcl/svapp.hxx>
#include <tools/diagnose_ex.h>
#include <comphelper/stl_types.hxx>
#include "rptui_slotid.hrc"

#include <connectivity/dbtools.hxx>
#include "helpids.hrc"
#include "RptResId.hrc"
#include "CondFormat.hrc"
#include "ModuleHelper.hxx"
#include "uistrings.hrc"
#include <comphelper/property.hxx>
#include <svtools/imgdef.hxx>

namespace rptui
{
const long STD_WIN_SIZE_X = 180;
const long STD_WIN_SIZE_Y = 320;

const long LISTBOX_BORDER = 2;

using namespace ::com::sun::star;
using namespace sdbc;
using namespace sdb;
using namespace uno;
using namespace datatransfer;
using namespace beans;
using namespace lang;
using namespace container;
using namespace ::svx;
class OAddFieldWindowListBox	: public SvTreeListBox
{
    OAddFieldWindow*                    m_pTabWin;

    OAddFieldWindowListBox(const OAddFieldWindowListBox&);
    void operator =(const OAddFieldWindowListBox&);
protected:
//	virtual void Command( const CommandEvent& rEvt );

public:
    OAddFieldWindowListBox( OAddFieldWindow* _pParent );
    virtual ~OAddFieldWindowListBox();

    sal_Int8 AcceptDrop( const AcceptDropEvent& rEvt );
    sal_Int8 ExecuteDrop( const ExecuteDropEvent& rEvt );

    uno::Sequence< beans::PropertyValue > getSelectedFieldDescriptors();

protected:
    // DragSourceHelper
    virtual void StartDrag( sal_Int8 nAction, const Point& rPosPixel );

private:
    using SvTreeListBox::ExecuteDrop;
};
// -----------------------------------------------------------------------------
uno::Sequence< beans::PropertyValue > OAddFieldWindowListBox::getSelectedFieldDescriptors()
{
    uno::Sequence< beans::PropertyValue > aArgs(GetSelectionCount());
    sal_Int32 i = 0;
    SvLBoxEntry* pSelected = FirstSelected();
    while( pSelected )
    {
        // build a descriptor for the currently selected field
        ::svx::ODataAccessDescriptor aDescriptor;
        m_pTabWin->fillDescriptor(pSelected,aDescriptor);
        aArgs[i++].Value <<= aDescriptor.createPropertyValueSequence();
        pSelected = NextSelected(pSelected);
    }
    return aArgs;
}
//==================================================================
// class OAddFieldWindowListBox
//==================================================================
DBG_NAME( rpt_OAddFieldWindowListBox );
//------------------------------------------------------------------------------
OAddFieldWindowListBox::OAddFieldWindowListBox( OAddFieldWindow* _pParent )
    :SvTreeListBox( _pParent, WB_TABSTOP|WB_BORDER|WB_SORT )
    ,m_pTabWin( _pParent )
{
    DBG_CTOR( rpt_OAddFieldWindowListBox,NULL);
    SetHelpId( HID_RPT_FIELD_SEL );
    SetSelectionMode(MULTIPLE_SELECTION);
    SetDragDropMode( 0xFFFF );
    SetHighlightRange( );
}

//------------------------------------------------------------------------------
OAddFieldWindowListBox::~OAddFieldWindowListBox()
{
    DBG_DTOR( rpt_OAddFieldWindowListBox,NULL);
}

//------------------------------------------------------------------------------
sal_Int8 OAddFieldWindowListBox::AcceptDrop( const AcceptDropEvent& /*rEvt*/ )
{
    return DND_ACTION_NONE;
}

//------------------------------------------------------------------------------
sal_Int8 OAddFieldWindowListBox::ExecuteDrop( const ExecuteDropEvent& /*rEvt*/ )
{
    return DND_ACTION_NONE;
}

//------------------------------------------------------------------------------
void OAddFieldWindowListBox::StartDrag( sal_Int8 /*_nAction*/, const Point& /*_rPosPixel*/ )
{
    if ( GetSelectionCount() < 1 )
        // no drag without a field
        return;

    OMultiColumnTransferable* pDataContainer = new OMultiColumnTransferable(getSelectedFieldDescriptors());
    Reference< XTransferable> xEnsureDelete = pDataContainer;

    EndSelection();
    pDataContainer->StartDrag( this, DND_ACTION_COPYMOVE | DND_ACTION_LINK );
}
//========================================================================
// class OAddFieldWindow
//========================================================================
DBG_NAME( rpt_OAddFieldWindow );
//-----------------------------------------------------------------------
OAddFieldWindow::OAddFieldWindow(Window* pParent
                                 ,const uno::Reference< beans::XPropertySet >& _xRowSet
                                 )
            :FloatingWindow(pParent, WinBits(WB_STDMODELESS|WB_SIZEABLE))
            ,::comphelper::OPropertyChangeListener(m_aMutex)
            ,::comphelper::OContainerListener(m_aMutex)
            ,m_xRowSet(_xRowSet)
            ,m_aActions(this,ModuleRes(RID_TB_SORTING))
            ,m_pListBox(new OAddFieldWindowListBox( this ))
            ,m_aFixedLine(this, ModuleRes(ADDFIELD_FL_HELP_SEPARATOR) ) 
            ,m_aHelpText(this, ModuleRes(ADDFIELD_HELP_FIELD) ) 
            ,m_aInsertButton(this, WB_TABSTOP|WB_CENTER)
            ,m_nCommandType(0)
            ,m_bEscapeProcessing(sal_False)
            ,m_pChangeListener(NULL)
            ,m_pContainerListener(NULL)
{
    DBG_CTOR( rpt_OAddFieldWindow,NULL);
    SetHelpId( HID_RPT_FIELD_SEL_WIN );
    SetBackground( Wallpaper( Application::GetSettings().GetStyleSettings().GetFaceColor()) );
    SetMinOutputSizePixel(Size(STD_WIN_SIZE_X,STD_WIN_SIZE_Y));

    m_aActions.SetStyle(m_aActions.GetStyle()|WB_LINESPACING);
    m_aActions.SetBackground( Wallpaper( Application::GetSettings().GetStyleSettings().GetFaceColor()) );

    m_aActions.SetSelectHdl(LINK(this, OAddFieldWindow, OnSortAction));
    setToolBox(&m_aActions);
    m_aActions.CheckItem(SID_FM_SORTUP);
    m_aActions.EnableItem(SID_ADD_CONTROL_PAIR, FALSE);
    
    m_pListBox->SetDoubleClickHdl(LINK( this, OAddFieldWindow, OnDoubleClickHdl ) );
    m_pListBox->SetSelectHdl(LINK( this, OAddFieldWindow, OnSelectHdl ) );
    m_pListBox->SetDeselectHdl(LINK( this, OAddFieldWindow, OnSelectHdl ) );
    m_pListBox->SetDoubleClickHdl(LINK( this, OAddFieldWindow, OnDoubleClickHdl ) );
    m_pListBox->Show();
    const String sTitle(ModuleRes(RID_STR_INSERT));
    m_aInsertButton.SetText(sTitle);
    m_aInsertButton.SetClickHdl(LINK( this, OAddFieldWindow, OnDoubleClickHdl ) );
    m_aInsertButton.Show();

    m_aFixedLine.SetControlBackground( GetSettings().GetStyleSettings().GetFaceColor() );
    m_aHelpText.SetControlBackground( GetSettings().GetStyleSettings().GetFaceColor() );

    SetSizePixel(Size(STD_WIN_SIZE_X,STD_WIN_SIZE_Y));
    //Show();

    if ( m_xRowSet.is() )
    {
        try
        {
            // be notified when the settings of report definition change
            m_pChangeListener = new ::comphelper::OPropertyChangeMultiplexer( this, m_xRowSet );
            m_pChangeListener->addProperty( PROPERTY_COMMAND );
            m_pChangeListener->addProperty( PROPERTY_COMMANDTYPE );
            m_pChangeListener->addProperty( PROPERTY_ESCAPEPROCESSING );
            m_pChangeListener->addProperty( PROPERTY_FILTER );
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION();
        }
    }
}

//-----------------------------------------------------------------------
OAddFieldWindow::~OAddFieldWindow()
{
    if (m_pChangeListener.is())
        m_pChangeListener->dispose();
    if ( m_pContainerListener.is() )
        m_pContainerListener->dispose();
    DBG_DTOR( rpt_OAddFieldWindow,NULL);
}

//-----------------------------------------------------------------------
void OAddFieldWindow::GetFocus()
{
    if ( m_pListBox.get() )
        m_pListBox->GrabFocus();
    else
        FloatingWindow::GetFocus();
}
//-----------------------------------------------------------------------
uno::Sequence< beans::PropertyValue > OAddFieldWindow::getSelectedFieldDescriptors()
{
    return m_pListBox->getSelectedFieldDescriptors();
}

//-----------------------------------------------------------------------
long OAddFieldWindow::PreNotify( NotifyEvent& _rNEvt )
{
    if ( EVENT_KEYINPUT == _rNEvt.GetType() )
    {
        const KeyCode& rKeyCode = _rNEvt.GetKeyEvent()->GetKeyCode();
        if ( ( 0 == rKeyCode.GetModifier() ) && ( KEY_RETURN == rKeyCode.GetCode() ) )
        {
            if ( m_aCreateLink.IsSet() )
            {
                m_aCreateLink.Call(this);
                return 1;
            }
        }
    }

    return FloatingWindow::PreNotify( _rNEvt );
}
//-----------------------------------------------------------------------
void OAddFieldWindow::_propertyChanged( const beans::PropertyChangeEvent& _evt ) throw( uno::RuntimeException )
{
    OSL_ENSURE( _evt.Source == m_xRowSet, "OAddFieldWindow::_propertyChanged: where did this come from?" );
    (void)_evt;
    Update();
}

//-----------------------------------------------------------------------
namespace
{
    void lcl_addToList( OAddFieldWindowListBox& _rListBox, const uno::Sequence< ::rtl::OUString >& _rEntries )
    {
        const ::rtl::OUString* pEntries = _rEntries.getConstArray();
        sal_Int32 nEntries = _rEntries.getLength();
        for ( sal_Int32 i = 0; i < nEntries; ++i, ++pEntries )
            _rListBox.InsertEntry( *pEntries );
    }
}

//-----------------------------------------------------------------------
void OAddFieldWindow::Update()
{
    if ( m_pContainerListener.is() )
        m_pContainerListener->dispose();
    m_pContainerListener = NULL;
    m_xColumns.clear();

    try
    {
        // ListBox loeschen
        m_pListBox->Clear();
        const USHORT nItemCount = m_aActions.GetItemCount();
        for (USHORT j = 0; j< nItemCount; ++j)
        {
            m_aActions.EnableItem(m_aActions.GetItemId(j),FALSE);
        }
        
        String aTitle(ModuleRes(RID_STR_FIELDSELECTION));
        SetText(aTitle);
        if ( m_xRowSet.is() )
        {
            ::rtl::OUString sCommand( m_aCommandName );
            sal_Int32       nCommandType( m_nCommandType );
            sal_Bool        bEscapeProcessing( m_bEscapeProcessing );
            ::rtl::OUString sFilter( m_sFilter );

            OSL_VERIFY( m_xRowSet->getPropertyValue( PROPERTY_COMMAND ) >>= sCommand );
            OSL_VERIFY( m_xRowSet->getPropertyValue( PROPERTY_COMMANDTYPE ) >>= nCommandType );
            OSL_VERIFY( m_xRowSet->getPropertyValue( PROPERTY_ESCAPEPROCESSING ) >>= bEscapeProcessing );
            OSL_VERIFY( m_xRowSet->getPropertyValue( PROPERTY_FILTER ) >>= sFilter );

            m_aCommandName	= sCommand;
            m_nCommandType 	= nCommandType;
            m_bEscapeProcessing = bEscapeProcessing;
            m_sFilter = sFilter;

            // add the columns to the list
            uno::Reference< sdbc::XConnection> xCon = getConnection();
            if ( xCon.is() && m_aCommandName.getLength() )
                m_xColumns = dbtools::getFieldsByCommandDescriptor( xCon, GetCommandType(), GetCommand(), m_xHoldAlive );
            if ( m_xColumns.is() )
            {
                lcl_addToList( *m_pListBox, m_xColumns->getElementNames() );
                uno::Reference< container::XContainer> xContainer(m_xColumns,uno::UNO_QUERY);
                if ( xContainer.is() )
                    m_pContainerListener = new ::comphelper::OContainerListenerAdapter(this,xContainer);
            }

            // add the parameter columns to the list
            uno::Reference< ::com::sun::star::sdbc::XRowSet > xRowSet(m_xRowSet,uno::UNO_QUERY);
            Sequence< ::rtl::OUString > aParamNames( getParameterNames( xRowSet ) );
            lcl_addToList( *m_pListBox, aParamNames );

            // set title
            aTitle.AppendAscii(" ");
            aTitle += m_aCommandName.getStr();
            SetText( aTitle );
            if ( m_aCommandName.getLength() )
            {
                for (USHORT i = 0; i < nItemCount; ++i)
                {
                    m_aActions.EnableItem(m_aActions.GetItemId(i));
                }
            }
                OnSelectHdl(NULL);
        }
    }
    catch( const Exception& )
    {
        DBG_UNHANDLED_EXCEPTION();
    }
}

//-----------------------------------------------------------------------
void OAddFieldWindow::Resize()
{
    FloatingWindow::Resize();

    const Size aWindowSize( GetOutputSizePixel() );


    const Size aRelated(LogicToPixel( Size( RELATED_CONTROLS, RELATED_CONTROLS ), MAP_APPFONT ));
    const Size aFixedTextSize(LogicToPixel( Size( FIXEDTEXT_WIDTH, FIXEDTEXT_HEIGHT ), MAP_APPFONT ));

    // ToolBar
    Size aToolbarSize( m_aActions.GetSizePixel() );
    Point aToolbarPos( aRelated.Width(), aRelated.Height());
    m_aActions.SetPosPixel(Point(aToolbarPos.X(), aToolbarPos.Y()));

    Size aLBSize( aWindowSize );
    aLBSize.Width()  -= ( 2 * aRelated.Width() );

    // help text
    const Size aHelpTextSize = m_aHelpText.CalcMinimumSize(aLBSize.Width());

    // ListBox
    Point aLBPos( aRelated.Width(), aRelated.Height() + aToolbarSize.Height() + aRelated.Height() );

    aLBSize.Height() -= aToolbarSize.Height();   //         Toolbar
    aLBSize.Height() -= (6*aRelated.Height());   //         6 * gap
    aLBSize.Height() -= aFixedTextSize.Height(); //         fixed line
    aLBSize.Height() -= aHelpTextSize.Height();  //         help text
    m_pListBox->SetPosSizePixel( aLBPos, aLBSize );

    // FixedLine
    Size aFLSize( aLBSize.Width(),aFixedTextSize.Height() );
    Point aFLPos( aRelated.Width(), aLBPos.Y() + aLBSize.Height() + aRelated.Height());
    m_aFixedLine.SetPosSizePixel( aFLPos, aFLSize );

    // Help text
    Point aFTPos( aRelated.Width(), aFLPos.Y() + aFLSize.Height() + aRelated.Height() );
    m_aHelpText.SetPosSizePixel( aFTPos, aHelpTextSize );
}
// -----------------------------------------------------------------------------
uno::Reference< sdbc::XConnection> OAddFieldWindow::getConnection() const
{
    return uno::Reference< sdbc::XConnection>(m_xRowSet->getPropertyValue( PROPERTY_ACTIVECONNECTION ),uno::UNO_QUERY);
}
// -----------------------------------------------------------------------------
void OAddFieldWindow::fillDescriptor(SvLBoxEntry* _pSelected,::svx::ODataAccessDescriptor& _rDescriptor)
{
    if ( _pSelected && m_xColumns.is() )
    {
        uno::Reference<container::XChild> xChild(getConnection(),uno::UNO_QUERY);
        if ( xChild.is( ) )
        {
            uno::Reference<sdb::XDocumentDataSource> xDocument( xChild->getParent(), uno::UNO_QUERY );
            if ( xDocument.is() )
            {
                uno::Reference<frame::XModel> xModel(xDocument->getDatabaseDocument(),uno::UNO_QUERY);
                if ( xModel.is() )
                    _rDescriptor[ daDatabaseLocation ] <<= xModel->getURL();
            } // if ( xDocument.is() )
        }

        _rDescriptor[ ::svx::daCommand ]            <<= GetCommand();
        _rDescriptor[ ::svx::daCommandType ]        <<= GetCommandType();
        _rDescriptor[ ::svx::daEscapeProcessing ]   <<= GetEscapeProcessing();
        _rDescriptor[ ::svx::daConnection ]         <<= getConnection();

        ::rtl::OUString sColumnName = m_pListBox->GetEntryText( _pSelected );
        _rDescriptor[ ::svx::daColumnName ]         <<= sColumnName;
        if ( m_xColumns->hasByName( sColumnName ) )
            _rDescriptor[ ::svx::daColumnObject ] <<= m_xColumns->getByName(sColumnName);
    }
}
// -----------------------------------------------------------------------------
void OAddFieldWindow::_elementInserted( const container::ContainerEvent& _rEvent )  throw(::com::sun::star::uno::RuntimeException)
{
    if ( m_pListBox.get() )
    {
        ::rtl::OUString sName;
        if ( _rEvent.Accessor >>= sName )
            m_pListBox->InsertEntry(sName);
    }
}
// -----------------------------------------------------------------------------
void OAddFieldWindow::_elementRemoved( const container::ContainerEvent& /*_rEvent*/ ) throw(::com::sun::star::uno::RuntimeException)
{
    if ( m_pListBox.get() )
    {
        m_pListBox->Clear();
        if ( m_xColumns.is() )
            lcl_addToList( *m_pListBox, m_xColumns->getElementNames() );
    }
}
// -----------------------------------------------------------------------------
void OAddFieldWindow::_elementReplaced( const container::ContainerEvent& /*_rEvent*/ ) throw(::com::sun::star::uno::RuntimeException)
{
}
// -----------------------------------------------------------------------------
IMPL_LINK( OAddFieldWindow, OnSelectHdl, void* ,/*_pAddFieldDlg*/)
{
    m_aActions.EnableItem(SID_ADD_CONTROL_PAIR, ( m_pListBox.get() && m_pListBox->GetSelectionCount() > 0 ));

    return 0L;
}
// -----------------------------------------------------------------------------
IMPL_LINK( OAddFieldWindow, OnDoubleClickHdl, void* ,/*_pAddFieldDlg*/)
{
    if ( m_aCreateLink.IsSet() )
        m_aCreateLink.Call(this);

    return 0L;
}
//------------------------------------------------------------------------------
ImageList OAddFieldWindow::getImageList(sal_Int16 _eBitmapSet,sal_Bool _bHiContast) const
{
    sal_Int16 nN = IMG_ADDFIELD_DLG_SC;
    sal_Int16 nH = IMG_ADDFIELD_DLG_SCH;
    if ( _eBitmapSet == SFX_SYMBOLS_SIZE_LARGE )
    {
        nN = IMG_ADDFIELD_DLG_LC;
        nH = IMG_ADDFIELD_DLG_LCH;
    }
    return ImageList(ModuleRes( _bHiContast ? nH : nN ));
}
//------------------------------------------------------------------
void OAddFieldWindow::resizeControls(const Size& _rDiff)
{
    // we use large images so we must change them
    if ( _rDiff.Width() || _rDiff.Height() )
    {
        Invalidate();
    }
}
//------------------------------------------------------------------
IMPL_LINK( OAddFieldWindow, OnSortAction, ToolBox*, /*NOTINTERESTEDIN*/ )
{
    const USHORT nCurItem = m_aActions.GetCurItemId();
    if ( SID_ADD_CONTROL_PAIR == nCurItem )
        OnDoubleClickHdl(NULL);
    else
    {
        if ( SID_FM_REMOVE_FILTER_SORT == nCurItem || !m_aActions.IsItemChecked(nCurItem) )
        {
            const USHORT nItemCount = m_aActions.GetItemCount();
            for (USHORT j = 0; j< nItemCount; ++j)
            {
                const USHORT nItemId = m_aActions.GetItemId(j);
                if ( nCurItem != nItemId )
                    m_aActions.CheckItem(nItemId,FALSE);
            }
            SvSortMode eSortMode = SortNone;
            if ( SID_FM_REMOVE_FILTER_SORT != nCurItem )
            {
                m_aActions.CheckItem(nCurItem,!m_aActions.IsItemChecked(nCurItem));
                if ( m_aActions.IsItemChecked(SID_FM_SORTUP) )
                    eSortMode = SortAscending;
                else if ( m_aActions.IsItemChecked(SID_FM_SORTDOWN) )
                    eSortMode = SortDescending;
            } // if ( SID_FM_REMOVE_FILTER_SORT != nCurItem )
            
            m_pListBox->GetModel()->SetSortMode(eSortMode);
            if ( SID_FM_REMOVE_FILTER_SORT == nCurItem )
                Update();
            
            m_pListBox->GetModel()->Resort();
        }
    }
    return 0L;
}
// -----------------------------------------------------------------------------
// =============================================================================
} // namespace rptui
// =============================================================================