/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include <vcl/svapp.hxx>
#include <osl/mutex.hxx>
#include <rtl/instance.hxx>

#include <editeng/eeitem.hxx>
#include <editeng/flditem.hxx>
#include <editeng/unofield.hxx>
#include <editeng/unotext.hxx>
#include <comphelper/serviceinfohelper.hxx>
#include <comphelper/servicehelper.hxx>

using namespace ::rtl;
using namespace ::cppu;
using namespace ::com::sun::star;

// ====================================================================
// SvxUnoTextContentEnumeration
// ====================================================================

SvxUnoTextContentEnumeration::SvxUnoTextContentEnumeration( const SvxUnoTextBase& _rText ) throw()
: mrText( _rText )
{
    mxParentText = const_cast<SvxUnoTextBase*>(&_rText);
    if( mrText.GetEditSource() )
        mpEditSource = mrText.GetEditSource()->Clone();
    else
        mpEditSource = NULL;
    mnNextParagraph = 0;
}

SvxUnoTextContentEnumeration::~SvxUnoTextContentEnumeration() throw()
{
    delete mpEditSource;
}

// container::XEnumeration
sal_Bool SAL_CALL SvxUnoTextContentEnumeration::hasMoreElements(void)
    throw( uno::RuntimeException )
{
    SolarMutexGuard aGuard;
    if( mpEditSource && mpEditSource->GetTextForwarder() )
        return mnNextParagraph < mpEditSource->GetTextForwarder()->GetParagraphCount();
    else
        return sal_False;
}

uno::Any SvxUnoTextContentEnumeration::nextElement(void) throw( container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException )
{
    SolarMutexGuard aGuard;

    if(!hasMoreElements())
        throw container::NoSuchElementException();

    SvxUnoTextContent* pContent = 0;

    const SvxUnoTextRangeBaseList& rRanges( mpEditSource->getRanges() );
    SvxUnoTextRangeBaseList::const_iterator aIter;
    for( aIter = rRanges.begin(); (aIter != rRanges.end()) && (pContent == 0); ++aIter )
    {
        SvxUnoTextContent* pIterContent = dynamic_cast< SvxUnoTextContent* >( (*aIter ) );
        if( pIterContent && (pIterContent->mnParagraph == mnNextParagraph) )
            pContent = pIterContent;
    }

    if( pContent == 0 )
     pContent = new SvxUnoTextContent( mrText, mnNextParagraph );

    mnNextParagraph++;

    uno::Reference< text::XTextContent > xRef( pContent );
    return uno::makeAny( xRef );
}

// ====================================================================
// class SvxUnoTextContent
// ====================================================================

SvxUnoTextContent::SvxUnoTextContent( const SvxUnoTextBase& rText, sal_uInt16 nPara ) throw()
:	SvxUnoTextContent_Base(rText)
,   mnParagraph(nPara)
,   mrParentText(rText)
,   maDisposeListeners(maDisposeContainerMutex)
,   mbDisposing( false )
{
    mxParentText = const_cast<SvxUnoTextBase*>(&rText);
    if( GetEditSource() && GetEditSource()->GetTextForwarder() )
        SetSelection( ESelection( mnParagraph,0, mnParagraph, GetEditSource()->GetTextForwarder()->GetTextLen( mnParagraph ) ) );
}

SvxUnoTextContent::SvxUnoTextContent( const SvxUnoTextContent& rContent ) throw()
:	SvxUnoTextContent_Base(rContent)
,   mrParentText(rContent.mrParentText)
,   maDisposeListeners(maDisposeContainerMutex)
,   mbDisposing( false )
{
    mxParentText = rContent.mxParentText;
    mnParagraph  = rContent.mnParagraph;
    SetSelection( rContent.GetSelection() );
}

SvxUnoTextContent::~SvxUnoTextContent() throw()
{
}

// text::XTextRange

uno::Reference< text::XText > SAL_CALL SvxUnoTextContent::getText()
    throw(uno::RuntimeException)
{
    return mxParentText;
}

// text::XTextContent
void SAL_CALL SvxUnoTextContent::attach( const uno::Reference< text::XTextRange >& )
    throw(lang::IllegalArgumentException, uno::RuntimeException)
{
}

uno::Reference< text::XTextRange > SAL_CALL SvxUnoTextContent::getAnchor() throw( uno::RuntimeException )
{
    return uno::Reference< text::XTextRange >::query( mxParentText );
}

// XComponent

void SAL_CALL SvxUnoTextContent::dispose()
    throw(uno::RuntimeException)
{
    SolarMutexGuard aGuard;

    if( mbDisposing )
        return; // catched a recursion

    mbDisposing = true;

    lang::EventObject aEvt;
    aEvt.Source = *(OWeakAggObject*) this;
    maDisposeListeners.disposeAndClear(aEvt);

    if( mxParentText.is() )
        mxParentText->removeTextContent( this );
}

void SAL_CALL SvxUnoTextContent::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
    throw(uno::RuntimeException)
{
    maDisposeListeners.addInterface(xListener);
}

void SAL_CALL SvxUnoTextContent::removeEventListener( const uno::Reference< lang::XEventListener >& aListener )
    throw(uno::RuntimeException)
{
   maDisposeListeners.removeInterface(aListener);
}

// XEnumerationAccess

uno::Reference< container::XEnumeration > SAL_CALL SvxUnoTextContent::createEnumeration(  )
    throw(uno::RuntimeException)
{
    SolarMutexGuard aGuard;

    return new SvxUnoTextRangeEnumeration( mrParentText, mnParagraph );
}

// XElementAccess ( container::XEnumerationAccess )

uno::Type SAL_CALL SvxUnoTextContent::getElementType()
    throw(uno::RuntimeException)
{
    return ::getCppuType((const uno::Reference< text::XTextRange >*)0);
}

sal_Bool SAL_CALL SvxUnoTextContent::hasElements()
    throw(uno::RuntimeException)
{
    SolarMutexGuard aGuard;

    SvxTextForwarder* pForwarder = GetEditSource() ? GetEditSource()->GetTextForwarder() : NULL;
    if( pForwarder )
    {
        std::vector<sal_uInt16> aPortions;
        pForwarder->GetPortions( mnParagraph, aPortions );
        return !aPortions.empty();
    }
    else
    {
        return 0;
    }
}

// XPropertySet

void SAL_CALL SvxUnoTextContent::setPropertyValue( const OUString& aPropertyName, const uno::Any& aValue )
    throw(beans::UnknownPropertyException, beans::PropertyVetoException, lang::IllegalArgumentException, lang::WrappedTargetException, uno::RuntimeException)
{
    _setPropertyValue( aPropertyName, aValue, mnParagraph );
}

uno::Any SAL_CALL SvxUnoTextContent::getPropertyValue( const OUString& PropertyName )
    throw(beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException)
{
    return _getPropertyValue( PropertyName, mnParagraph );
}

// XMultiPropertySet
void SAL_CALL SvxUnoTextContent::setPropertyValues( const uno::Sequence< ::rtl::OUString >& aPropertyNames, const uno::Sequence< uno::Any >& aValues ) throw (beans::PropertyVetoException, lang::IllegalArgumentException, lang::WrappedTargetException, uno::RuntimeException)
{
    _setPropertyValues( aPropertyNames, aValues, mnParagraph );
}

uno::Sequence< uno::Any > SAL_CALL SvxUnoTextContent::getPropertyValues( const uno::Sequence< ::rtl::OUString >& aPropertyNames ) throw (uno::RuntimeException)
{
    return _getPropertyValues( aPropertyNames, mnParagraph );
}

/*// XTolerantMultiPropertySet
uno::Sequence< beans::SetPropertyTolerantFailed > SAL_CALL SvxUnoTextContent::setPropertyValuesTolerant( const uno::Sequence< ::rtl::OUString >& aPropertyNames, const uno::Sequence< uno::Any >& aValues ) throw (lang::IllegalArgumentException, uno::RuntimeException)
{
    return _setPropertyValuesTolerant(aPropertyNames, aValues, mnParagraph);
}

uno::Sequence< beans::GetPropertyTolerantResult > SAL_CALL SvxUnoTextContent::getPropertyValuesTolerant( const uno::Sequence< ::rtl::OUString >& aPropertyNames ) throw (uno::RuntimeException)
{
    return _getPropertyValuesTolerant(aPropertyNames, mnParagraph);
}

uno::Sequence< beans::GetDirectPropertyTolerantResult > SAL_CALL SvxUnoTextContent::getDirectPropertyValuesTolerant( const uno::Sequence< ::rtl::OUString >& aPropertyNames )
    throw (uno::RuntimeException)
{
    return _getDirectPropertyValuesTolerant(aPropertyNames, mnParagraph);
}*/

// beans::XPropertyState
beans::PropertyState SAL_CALL SvxUnoTextContent::getPropertyState( const OUString& PropertyName )
    throw(beans::UnknownPropertyException, uno::RuntimeException)
{
    return _getPropertyState( PropertyName, mnParagraph );
}

uno::Sequence< beans::PropertyState > SAL_CALL SvxUnoTextContent::getPropertyStates( const uno::Sequence< OUString >& aPropertyName )
    throw(beans::UnknownPropertyException, uno::RuntimeException)
{
    return _getPropertyStates( aPropertyName, mnParagraph );
}

void SAL_CALL SvxUnoTextContent::setPropertyToDefault( const OUString& PropertyName )
    throw(beans::UnknownPropertyException, uno::RuntimeException)
{
    _setPropertyToDefault( PropertyName, mnParagraph );
}

// lang::XServiceInfo

OUString SAL_CALL SvxUnoTextContent::getImplementationName()
    throw(uno::RuntimeException)
{
    return OUString( RTL_CONSTASCII_USTRINGPARAM("SvxUnoTextContent") );
}

uno::Sequence< OUString > SAL_CALL SvxUnoTextContent::getSupportedServiceNames()
    throw(uno::RuntimeException)
{
    uno::Sequence< OUString > aSeq( SvxUnoTextRangeBase::getSupportedServiceNames() );
    comphelper::ServiceInfoHelper::addToSequence( aSeq, 5, "com.sun.star.style.ParagraphProperties",
                                                  "com.sun.star.style.ParagraphPropertiesComplex",
                                                  "com.sun.star.style.ParagraphPropertiesAsian",
                                                  "com.sun.star.text.TextContent",
                                                  "com.sun.star.text.Paragraph");
    return aSeq;
}

// ====================================================================
//  class SvxUnoTextRangeEnumeration
// ====================================================================

SvxUnoTextRangeEnumeration::SvxUnoTextRangeEnumeration( const SvxUnoTextBase& rText, sal_uInt16 nPara ) throw()
:   mxParentText(  const_cast<SvxUnoTextBase*>(&rText) ),
    mrParentText( rText ),
    mnParagraph( nPara ),
    mnNextPortion( 0 )
{
    mpEditSource = rText.GetEditSource() ? rText.GetEditSource()->Clone() : NULL;

    if( mpEditSource && mpEditSource->GetTextForwarder() )
    {
        mpPortions = new std::vector<sal_uInt16>;
        mpEditSource->GetTextForwarder()->GetPortions( nPara, *mpPortions );
    }
    else
    {
        mpPortions = NULL;
    }
}

SvxUnoTextRangeEnumeration::~SvxUnoTextRangeEnumeration() throw()
{
    delete mpEditSource;
    delete mpPortions;
}

// container::XEnumeration

sal_Bool SAL_CALL SvxUnoTextRangeEnumeration::hasMoreElements()
    throw(uno::RuntimeException)
{
    SolarMutexGuard aGuard;

    return mpPortions && mnNextPortion < mpPortions->size();
}

uno::Any SAL_CALL SvxUnoTextRangeEnumeration::nextElement()
    throw(container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException)
{
    SolarMutexGuard aGuard;

    if( mpPortions == NULL || mnNextPortion >= mpPortions->size() )
        throw container::NoSuchElementException();

    sal_uInt16 nStartPos = 0;
    if (mnNextPortion > 0)
        nStartPos = mpPortions->at(mnNextPortion-1);
    sal_uInt16 nEndPos = mpPortions->at(mnNextPortion);
    ESelection aSel( mnParagraph, nStartPos, mnParagraph, nEndPos );

    uno::Reference< text::XTextRange > xRange;

    const SvxUnoTextRangeBaseList& rRanges( mpEditSource->getRanges() );

    SvxUnoTextRange* pRange = 0;

    SvxUnoTextRangeBaseList::const_iterator aIter;
    for( aIter = rRanges.begin(); (aIter != rRanges.end()) && (pRange == 0); ++aIter )
    {
        SvxUnoTextRange* pIterRange = dynamic_cast< SvxUnoTextRange* >( (*aIter ) );
        if( pIterRange && pIterRange->mbPortion && (aSel.IsEqual( pIterRange->maSelection ) ) )
            pRange = pIterRange;
    }

    if( pRange == 0 )
    {
        pRange = new SvxUnoTextRange( mrParentText, sal_True );
        pRange->SetSelection(aSel);
    }

    xRange = pRange;

    mnNextPortion++;

    return uno::makeAny( xRange );
}

// ====================================================================
// class SvxUnoTextCursor
// ====================================================================

SvxUnoTextCursor_Base::SvxUnoTextCursor_Base(SvxUnoTextCursor_Base const & base)
    throw ():
    SvxUnoTextCursor_Base0(base)
{}

SvxUnoTextCursor_Base::SvxUnoTextCursor_Base(SvxUnoTextRangeBase const & base)
    throw ():
    SvxUnoTextCursor_Base0(base)
{}

SvxUnoTextCursor_Base::~SvxUnoTextCursor_Base() throw () {}

uno::Reference< uno::XInterface > SvxUnoTextCursor_NewInstance()
{
    SvxUnoText aText;
    uno::Reference< text::XText > xText( (text::XText*)new SvxUnoTextCursor( aText ) );
    uno::Reference< uno::XInterface > xInt( xText, uno::UNO_QUERY );
    return xInt;
}

SvxUnoTextCursor::SvxUnoTextCursor( const SvxUnoTextBase& rText ) throw()
:	SvxUnoTextCursor_Base(rText),
    mxParentText( const_cast<SvxUnoTextBase*>(&rText) )
{
}

SvxUnoTextCursor::SvxUnoTextCursor( const SvxUnoTextCursor& rCursor ) throw()
:	SvxUnoTextCursor_Base(rCursor)
,   mxParentText(rCursor.mxParentText)
{
}

SvxUnoTextCursor::~SvxUnoTextCursor() throw()
{
}

// text::XTextCursor
void SAL_CALL SvxUnoTextCursor::collapseToStart()
    throw(uno::RuntimeException)
{
    SolarMutexGuard aGuard;
    CollapseToStart();
}

void SAL_CALL SvxUnoTextCursor::collapseToEnd()
    throw(uno::RuntimeException)
{
    SolarMutexGuard aGuard;
    CollapseToEnd();
}

sal_Bool SAL_CALL SvxUnoTextCursor::isCollapsed()
    throw(uno::RuntimeException)
{
    SolarMutexGuard aGuard;
    return IsCollapsed();
}

sal_Bool SAL_CALL SvxUnoTextCursor::goLeft( sal_Int16 nCount, sal_Bool bExpand )
    throw(uno::RuntimeException)
{
    SolarMutexGuard aGuard;
    return GoLeft( nCount, bExpand );
}

sal_Bool SAL_CALL SvxUnoTextCursor::goRight( sal_Int16 nCount, sal_Bool bExpand )
    throw(uno::RuntimeException)
{
    SolarMutexGuard aGuard;
    return GoRight( nCount, bExpand );
}

void SAL_CALL SvxUnoTextCursor::gotoStart( sal_Bool bExpand )
    throw(uno::RuntimeException)
{
    SolarMutexGuard aGuard;
    GotoStart( bExpand );
}

void SAL_CALL SvxUnoTextCursor::gotoEnd( sal_Bool bExpand )
    throw(uno::RuntimeException)
{
    SolarMutexGuard aGuard;
    GotoEnd( bExpand );
}

void SAL_CALL SvxUnoTextCursor::gotoRange( const uno::Reference< text::XTextRange >& xRange, sal_Bool bExpand )
    throw(uno::RuntimeException)
{
    if( !xRange.is() )
        return;

    SvxUnoTextRangeBase* pRange = SvxUnoTextRangeBase::getImplementation( xRange );

    if( pRange )
    {
        ESelection aNewSel = pRange->GetSelection();

        if( bExpand )
        {
            const ESelection& rOldSel = GetSelection();
            aNewSel.nStartPara = rOldSel.nStartPara;
            aNewSel.nStartPos  = rOldSel.nStartPos;
        }

        SetSelection( aNewSel );
    }
}

// text::XTextRange (rest in SvxTextRange)
uno::Reference< text::XText > SAL_CALL SvxUnoTextCursor::getText(void) throw( uno::RuntimeException )
{
    return mxParentText;
}

uno::Reference< text::XTextRange > SAL_CALL SvxUnoTextCursor::getStart()
    throw(uno::RuntimeException)
{
    return SvxUnoTextRangeBase::getStart();
}

uno::Reference< text::XTextRange > SAL_CALL SvxUnoTextCursor::getEnd()
    throw(uno::RuntimeException)
{
    return SvxUnoTextRangeBase::getEnd();
}

OUString SAL_CALL SvxUnoTextCursor::getString() throw( uno::RuntimeException )
{
    return SvxUnoTextRangeBase::getString();
}

void SAL_CALL SvxUnoTextCursor::setString( const OUString& aString ) throw(uno::RuntimeException)
{
    SvxUnoTextRangeBase::setString(aString);
}
// lang::XServiceInfo
OUString SAL_CALL SvxUnoTextCursor::getImplementationName() throw(uno::RuntimeException)
{
    return OUString(RTL_CONSTASCII_USTRINGPARAM("SvxUnoTextCursor"));
}

sal_Bool SAL_CALL SvxUnoTextCursor::supportsService( const OUString& ServiceName ) throw(uno::RuntimeException)
{
    return comphelper::ServiceInfoHelper::supportsService( ServiceName, getSupportedServiceNames() );
}

uno::Sequence< OUString > SAL_CALL SvxUnoTextCursor::getSupportedServiceNames() throw(uno::RuntimeException)
{
    uno::Sequence< OUString > aSeq( SvxUnoTextRangeBase::getSupportedServiceNames() );
    comphelper::ServiceInfoHelper::addToSequence( aSeq, 4,"com.sun.star.style.ParagraphProperties",
                                                  "com.sun.star.style.ParagraphPropertiesComplex",
                                                  "com.sun.star.style.ParagraphPropertiesAsian",
                                                 "com.sun.star.text.TextCursor");
    return aSeq;
}


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