/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: vbalistbox.cxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: vg $ $Date: 2007-12-07 10:55:15 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library 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 for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/
#include <com/sun/star/form/validation/XValidatableFormComponent.hpp>

#include "vbalistbox.hxx"
#include "vbapropvalue.hxx"
#include <vector>
#include <comphelper/anytostring.hxx>

using namespace com::sun::star;
using namespace org::openoffice;

const static rtl::OUString CONTROLSOURCEPROP( RTL_CONSTASCII_USTRINGPARAM("DataFieldProperty") );
const static rtl::OUString ITEMS( RTL_CONSTASCII_USTRINGPARAM("StringItemList") );


ScVbaListBox::ScVbaListBox( const uno::Reference< uno::XComponentContext >& xContext, const uno::Reference< css::drawing::XControlShape >& xControlShape ) : ListBoxImpl_BASE( xContext, xControlShape )
{
    // grab the default value property name
    m_xProps->getPropertyValue( CONTROLSOURCEPROP ) >>= sSourceName;
}

ScVbaListBox::ScVbaListBox( const uno::Reference< uno::XComponentContext >& xContext, const uno::Reference< beans::XPropertySet >& xPropSet, const css::uno::Reference< css::drawing::XControlShape > xControlShape ) : ListBoxImpl_BASE( xContext, xPropSet, xControlShape )
{
    m_xProps->getPropertyValue( CONTROLSOURCEPROP ) >>= sSourceName;
}


// Attributes
uno::Any SAL_CALL
ScVbaListBox::getValue() throw (uno::RuntimeException)
{
    if( getMultiSelect() )
        throw uno::RuntimeException( rtl::OUString::createFromAscii(
                    "Attribute use invalid." ), uno::Reference< uno::XInterface >() );
    uno::Reference< form::validation::XValidatableFormComponent > xValidatableFormComponent( m_xProps, uno::UNO_QUERY_THROW );
    return xValidatableFormComponent->getCurrentValue();
}

void SAL_CALL
ScVbaListBox::setValue( const uno::Any& _value ) throw (uno::RuntimeException)
{
    if( getMultiSelect() )
    {
        throw uno::RuntimeException( rtl::OUString::createFromAscii(
                    "Attribute use invalid." ), uno::Reference< uno::XInterface >() );
    }
    rtl::OUString sValue = getAnyAsString( _value );
    uno::Sequence< rtl::OUString > sList;
    m_xProps->getPropertyValue( ITEMS ) >>= sList;
    uno::Sequence< sal_Int16 > nList;
    sal_Int16 nLength = static_cast<sal_Int16>( sList.getLength() );
    sal_Int16 nValue = -1;
    sal_Int16 i = 0;
    for( i = 0; i < nLength; i++ )
    {
        if( sList[i].equals( sValue ) )
        {
            nValue = i;
            break;
        }
    }
    if( nValue == -1 )
        throw uno::RuntimeException( rtl::OUString::createFromAscii(
                    "Attribute use invalid." ), uno::Reference< uno::XInterface >() );

    nList.realloc( 1 );
    nList[0] = nValue;

    m_xProps->setPropertyValue( sSourceName, uno::makeAny( nList ) );
}

::rtl::OUString SAL_CALL
ScVbaListBox::getText() throw (uno::RuntimeException)
{
    rtl::OUString result;
    uno::Reference< form::validation::XValidatableFormComponent > xValidatableFormComponent( m_xProps, uno::UNO_QUERY_THROW );
    xValidatableFormComponent->getCurrentValue() >>= result;
    return result;
}

void SAL_CALL
ScVbaListBox::setText( const ::rtl::OUString& _text ) throw (uno::RuntimeException)
{
    setValue( uno::makeAny( _text ) ); // seems the same
}

sal_Bool SAL_CALL
ScVbaListBox::getMultiSelect() throw (css::uno::RuntimeException)
{
    sal_Bool bMultiSelect = sal_False;
    m_xProps->getPropertyValue( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "MultiSelection" ) ) ) >>= bMultiSelect;
    return bMultiSelect;
}

void SAL_CALL
ScVbaListBox::setMultiSelect( sal_Bool _multiselect ) throw (css::uno::RuntimeException)
{
    m_xProps->setPropertyValue( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "MultiSelection" ) ), uno::makeAny( _multiselect ) );
}
/*
css::uno::Sequence< sal_Bool > SAL_CALL
ScVbaListBox::getSelected() throw (css::uno::RuntimeException)
{
    uno::Sequence< rtl::OUString > sList;
    uno::Sequence< sal_Int16 > nList;
    m_xProps->getPropertyValue( ITEMS ) >>= sList;
    uno::Sequence< sal_Bool > bSelected( sList.getLength() );
    for( sal_Int16 i = 0; i < bSelected.getLength(); i++ )
        bSelected[i] = sal_False;
    m_xProps->getPropertyValue( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "SelectedItems" ) ) ) >>= nList;
    for( sal_Int16 i = 0; i < nList.getLength(); i++ )
    {
        bSelected[nList[i]] = sal_True;
    }
    return bSelected;
}

void SAL_CALL
ScVbaListBox::setSelected( const css::uno::Sequence< sal_Bool >& _selected ) throw (css::uno::RuntimeException)
{
}
*/
css::uno::Any SAL_CALL
ScVbaListBox::Selected( sal_Int32 index ) throw (css::uno::RuntimeException)
{
    uno::Sequence< rtl::OUString > sList;
    m_xProps->getPropertyValue( ITEMS ) >>= sList;
    sal_Int16 nLength = static_cast< sal_Int16 >( sList.getLength() );
    sal_Int16 nIndex = m_nIndex;
    if( 0 > nIndex && nLength < nIndex )
        throw uno::RuntimeException( rtl::OUString::createFromAscii(
                    "Error Number." ), uno::Reference< uno::XInterface >() );
    m_nIndex = static_cast< sal_Int16 >( index );
    return uno::makeAny( uno::Reference< vba::XPropValue > ( new ScVbaPropValue( this ) ) );
}

// Methods
void SAL_CALL
ScVbaListBox::AddItem( const uno::Any& pvargItem, const uno::Any& pvargIndex ) throw (uno::RuntimeException)
{
    if ( pvargItem.hasValue()  )
    {
        uno::Sequence< rtl::OUString > sList;
        m_xProps->getPropertyValue( ITEMS ) >>= sList;

        sal_Int32 nIndex = sList.getLength();

        if ( pvargIndex.hasValue() )
            pvargIndex >>= nIndex;

        rtl::OUString sString = getAnyAsString( pvargItem );

        // if no index specified or item is to be appended to end of
        // list just realloc the array and set the last item
        if ( nIndex  == sList.getLength() )
        {
            sal_Int32 nOldSize = sList.getLength();
            sList.realloc( nOldSize + 1 );
            sList[ nOldSize ] = sString;
        }
        else
        {
            // just copy those elements above the one to be inserted
            std::vector< rtl::OUString > sVec;
            // reserve just the amount we need to copy
            sVec.reserve( sList.getLength() - nIndex );

            // point at first element to copy
            rtl::OUString* pString = sList.getArray() + nIndex;
            const rtl::OUString* pEndString = sList.getArray() + sList.getLength();
            // insert the new element
            sVec.push_back( sString );
            // copy elements
            for ( ; pString != pEndString; ++pString )
                sVec.push_back( *pString );

            sList.realloc(  sList.getLength() + 1 );

            // point at first element to be overwritten
            pString = sList.getArray() + nIndex;
            pEndString = sList.getArray() + sList.getLength();
            std::vector< rtl::OUString >::iterator it = sVec.begin();
            for ( ; pString != pEndString; ++pString, ++it)
                *pString = *it;
            //
        }

        m_xProps->setPropertyValue( ITEMS, uno::makeAny( sList ) );

    }
}

void SAL_CALL
ScVbaListBox::Clear(  ) throw (uno::RuntimeException)
{
    // urk, setValue doesn't seem to work !!
    //setValue( uno::makeAny( sal_Int16() ) );
    m_xProps->setPropertyValue( ITEMS, uno::makeAny( uno::Sequence< rtl::OUString >() ) );
}
//PropListener
void
ScVbaListBox::setValueEvent( const uno::Any& value )
{
    sal_Bool bValue;
    if( !(value >>= bValue) )
        throw uno::RuntimeException( rtl::OUString::createFromAscii(
                    "Invalid type\n. need boolean." ), uno::Reference< uno::XInterface >() );
    uno::Sequence< sal_Int16 > nList;
    m_xProps->getPropertyValue( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "SelectedItems" ) ) ) >>= nList;
    sal_Int16 nLength = static_cast<sal_Int16>( nList.getLength() );
    sal_Int16 nIndex = m_nIndex;
    for( sal_Int16 i = 0; i < nLength; i++ )
    {
        if( nList[i] == nIndex )
        {
            if( bValue )
                return;
            else
            {
                for( ; i < nLength - 1; i++ )
                {
                    nList[i] = nList[i + 1];
                }
                nList.realloc( nLength - 1 );
                m_xProps->setPropertyValue( sSourceName, uno::makeAny( nList ) );
                return;
            }
        }
    }
    if( bValue )
    {
        if( getMultiSelect() )
        {
            nList.realloc( nLength + 1 );
            nList[nLength] = nIndex;
        }
        else
        {
            nList.realloc( 1 );
            nList[0] = nIndex;
        }
        m_xProps->setPropertyValue( sSourceName, uno::makeAny( nList ) );
    }
}

css::uno::Any
ScVbaListBox::getValueEvent()
{
    uno::Sequence< sal_Int16 > nList;
    m_xProps->getPropertyValue( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "SelectedItems" ) ) ) >>= nList;
    sal_Int32 nLength = nList.getLength();
    sal_Int32 nIndex = m_nIndex;

    for( sal_Int32 i = 0; i < nLength; i++ )
    {
        if( nList[i] == nIndex )
            return uno::makeAny( sal_True );
    }

    return uno::makeAny( sal_False );
}