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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#include "vbalistbox.hxx"
#include "vbanewfont.hxx"
#include <comphelper/anytostring.hxx>
#include <com/sun/star/script/ArrayWrapper.hpp>
#include <com/sun/star/form/validation/XValidatableFormComponent.hpp>

using namespace com::sun::star;
using namespace ooo::vba;

const static rtl::OUString TEXT( RTL_CONSTASCII_USTRINGPARAM("Text") );
const static rtl::OUString SELECTEDITEMS( RTL_CONSTASCII_USTRINGPARAM("SelectedItems") );
const static rtl::OUString ITEMS( RTL_CONSTASCII_USTRINGPARAM("StringItemList") );


ScVbaListBox::ScVbaListBox( const uno::Reference< XHelperInterface >& xParent, const uno::Reference< uno::XComponentContext >& xContext, const uno::Reference< css::uno::XInterface >& xControl, const uno::Reference< frame::XModel >& xModel, AbstractGeometryAttributes* pGeomHelper ) : ListBoxImpl_BASE( xParent, xContext, xControl, xModel, pGeomHelper )
{
    mpListHelper.reset( new ListControlHelper( m_xProps ) );
}

// Attributes
void SAL_CALL 
ScVbaListBox::setListIndex( const uno::Any& _value ) throw (uno::RuntimeException)
{
    sal_Int32 nIndex = 0;
    _value >>= nIndex;
    uno::Reference< XPropValue > xPropVal( Selected( nIndex ), uno::UNO_QUERY_THROW );
    xPropVal->setValue( uno::makeAny( sal_True ) ); 
}

uno::Any SAL_CALL 
ScVbaListBox::getListIndex() throw (uno::RuntimeException)
{
    uno::Sequence< sal_Int16 > sSelection;
    m_xProps->getPropertyValue( SELECTEDITEMS ) >>= sSelection;
    if ( sSelection.getLength() == 0 )
        return uno::Any( sal_Int32( -1 ) );
    return uno::Any( sSelection[ 0 ] );
}

uno::Any SAL_CALL 
ScVbaListBox::getValue() throw (uno::RuntimeException)
{
    uno::Sequence< sal_Int16 > sSelection;
    uno::Sequence< rtl::OUString > sItems;
    m_xProps->getPropertyValue( SELECTEDITEMS ) >>= sSelection;
    m_xProps->getPropertyValue( ITEMS ) >>= sItems;
    if( getMultiSelect() )
        throw uno::RuntimeException( rtl::OUString::createFromAscii(
                    "Attribute use invalid." ), uno::Reference< uno::XInterface >() );
    uno::Any aRet;
    if ( sSelection.getLength() )
        aRet = uno::makeAny( sItems[ sSelection[ 0 ] ] ); 
    return aRet;
}

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 >() );

    uno::Sequence< sal_Int16 > nSelectedIndices(1);
    nSelectedIndices[ 0 ] = nValue;
    m_xProps->setPropertyValue( SELECTEDITEMS, uno::makeAny( nSelectedIndices ) ); 
    m_xProps->setPropertyValue( TEXT, uno::makeAny( sValue ) ); 
}

::rtl::OUString SAL_CALL 
ScVbaListBox::getText() throw (uno::RuntimeException)
{
	rtl::OUString result;
	getValue() >>= 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::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() );
    // no choice but to do a horror cast as internally
    // the indices are but sal_Int16 
    sal_Int16 nIndex = static_cast< sal_Int16 >( index );
    if( nIndex < 0 || nIndex >= nLength )
        throw uno::RuntimeException( rtl::OUString::createFromAscii(
                    "Error Number." ), uno::Reference< uno::XInterface >() );
    m_nIndex = nIndex;
    return uno::makeAny( uno::Reference< XPropValue > ( new ScVbaPropValue( this ) ) );
}

// Methods
void SAL_CALL 
ScVbaListBox::AddItem( const uno::Any& pvargItem, const uno::Any& pvargIndex ) throw (uno::RuntimeException)
{
	mpListHelper->AddItem( pvargItem, pvargIndex );
		}

void SAL_CALL 
ScVbaListBox::removeItem( const uno::Any& index ) throw (uno::RuntimeException)
{
	mpListHelper->removeItem( index );
}

void SAL_CALL 
ScVbaListBox::Clear(  ) throw (uno::RuntimeException)
{
	mpListHelper->Clear();
}

// this is called when something like the following vba code is used
// to set the selected state of particular entries in the Listbox
// ListBox1.Selected( 3 ) = false
//PropListener
void 
ScVbaListBox::setValueEvent( const uno::Any& value )
{
    sal_Bool bValue = sal_False;
    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( 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 ) );
		m_xProps->setPropertyValue( SELECTEDITEMS, 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 ) );
        m_xProps->setPropertyValue( SELECTEDITEMS, uno::makeAny( nList ) );
    }
}

// this is called when something like the following vba code is used
// to determine the selected state of particular entries in the Listbox
// msgbox ListBox1.Selected( 3 )

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 );
}

void SAL_CALL
ScVbaListBox::setRowSource( const rtl::OUString& _rowsource ) throw (uno::RuntimeException)
{
	ScVbaControl::setRowSource( _rowsource );
	mpListHelper->setRowSource( _rowsource );
}

sal_Int32 SAL_CALL
ScVbaListBox::getListCount() throw (uno::RuntimeException)
{
	return mpListHelper->getListCount();
}

uno::Any SAL_CALL 
ScVbaListBox::List( const ::uno::Any& pvargIndex, const uno::Any& pvarColumn ) throw (uno::RuntimeException)
{
	return mpListHelper->List( pvargIndex, pvarColumn );
}

uno::Reference< msforms::XNewFont > SAL_CALL ScVbaListBox::getFont() throw (uno::RuntimeException)
{
    return new VbaNewFont( this, mxContext, m_xProps );
}

rtl::OUString&
ScVbaListBox::getServiceImplName()
{
	static rtl::OUString sImplName( RTL_CONSTASCII_USTRINGPARAM("ScVbaListBox") );
	return sImplName;
}

uno::Sequence< rtl::OUString > 
ScVbaListBox::getServiceNames()
{
	static uno::Sequence< rtl::OUString > aServiceNames;
	if ( aServiceNames.getLength() == 0 )
	{
		aServiceNames.realloc( 1 );
		aServiceNames[ 0 ] = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("ooo.vba.msforms.ScVbaListBox" ) );
	}
	return aServiceNames;
}