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 * to you under the Apache License, Version 2.0 (the
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 * with the License.  You may obtain a copy of the License at
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 *   http://www.apache.org/licenses/LICENSE-2.0
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#include "vbawindows.hxx"

#include <hash_map>

#include <com/sun/star/sheet/XSpreadsheetDocument.hpp>
#include <com/sun/star/frame/XDesktop.hpp>
#include <cppuhelper/implbase3.hxx>

#include <tools/urlobj.hxx>
#include "vbawindow.hxx"
#include "vbaglobals.hxx"
//#include "vbaworkbook.hxx"

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

typedef  std::hash_map< rtl::OUString,
sal_Int32, ::rtl::OUStringHash,
::std::equal_to< ::rtl::OUString > > NameIndexHash;


uno::Reference< XHelperInterface > lcl_createWorkbookHIParent( const uno::Reference< frame::XModel >& xModel, const uno::Reference< uno::XComponentContext >& xContext, const uno::Any& aApplication )
{
	return new ScVbaWorkbook( uno::Reference< XHelperInterface >( aApplication, uno::UNO_QUERY_THROW ), xContext,  xModel );
}

uno::Any ComponentToWindow( const uno::Any& aSource, uno::Reference< uno::XComponentContext > & xContext, const uno::Any& aApplication )
{
	uno::Reference< frame::XModel > xModel( aSource, uno::UNO_QUERY_THROW );
	// !! TODO !! iterate over all controllers
	uno::Reference< frame::XController > xController( xModel->getCurrentController(), uno::UNO_SET_THROW );
	uno::Reference< excel::XWindow > xWin( new ScVbaWindow( lcl_createWorkbookHIParent( xModel, xContext, aApplication ), xContext, xModel, xController ) );
	return uno::makeAny( xWin );
}

typedef std::vector < uno::Reference< sheet::XSpreadsheetDocument > > Components;
// #TODO more or less the same as class in workwindows ( code sharing needed )
class WindowComponentEnumImpl : public EnumerationHelper_BASE
{
protected:
	uno::Reference< uno::XComponentContext > m_xContext;
	Components m_components;
	Components::const_iterator m_it;

public:
	WindowComponentEnumImpl( const uno::Reference< uno::XComponentContext >& xContext, const Components& components ) throw ( uno::RuntimeException ) :  m_xContext( xContext ), m_components( components )
	{
		m_it = m_components.begin();
	}

	WindowComponentEnumImpl( const uno::Reference< uno::XComponentContext >& xContext ) throw ( uno::RuntimeException ) :  m_xContext( xContext )
	{
		uno::Reference< lang::XMultiComponentFactory > xSMgr(
			m_xContext->getServiceManager(), uno::UNO_QUERY_THROW );

		uno::Reference< frame::XDesktop > xDesktop
			(xSMgr->createInstanceWithContext(::rtl::OUString::createFromAscii("com.sun.star.frame.Desktop"), m_xContext), uno::UNO_QUERY_THROW );
		uno::Reference< container::XEnumeration > mxComponents = xDesktop->getComponents()->createEnumeration();
		while( mxComponents->hasMoreElements() )
		{
			uno::Reference< sheet::XSpreadsheetDocument > xNext( mxComponents->nextElement(), uno::UNO_QUERY );
			if ( xNext.is() )
				m_components.push_back( xNext );
		}
		m_it = m_components.begin();
	}
	// XEnumeration
	virtual ::sal_Bool SAL_CALL hasMoreElements(  ) throw (uno::RuntimeException)
	{
		return m_it != m_components.end();
	}

	virtual uno::Any SAL_CALL nextElement(  ) throw (container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException)
	{
		if ( !hasMoreElements() )
		{
			throw container::NoSuchElementException();
		}
		return makeAny( *(m_it++) );
	}
};

class WindowEnumImpl : public  WindowComponentEnumImpl
{
	uno::Any m_aApplication;
public:
	WindowEnumImpl(const uno::Reference< uno::XComponentContext >& xContext, const Components& components, const uno::Any& aApplication ):WindowComponentEnumImpl( xContext, components ), m_aApplication( aApplication ){}
	WindowEnumImpl( const uno::Reference< uno::XComponentContext >& xContext,  const uno::Any& aApplication ): WindowComponentEnumImpl( xContext ), m_aApplication( aApplication ) {}
	virtual uno::Any SAL_CALL nextElement(  ) throw (container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException)
	{
		return ComponentToWindow( WindowComponentEnumImpl::nextElement(), m_xContext, m_aApplication );
	}
};

typedef ::cppu::WeakImplHelper3< container::XEnumerationAccess
	, com::sun::star::container::XIndexAccess
	, com::sun::star::container::XNameAccess
	> WindowsAccessImpl_BASE;

class WindowsAccessImpl : public WindowsAccessImpl_BASE
{
	uno::Reference< uno::XComponentContext > m_xContext;
	Components m_windows;
	NameIndexHash namesToIndices;
public:
	WindowsAccessImpl( const uno::Reference< uno::XComponentContext >& xContext ):m_xContext( xContext )
	{
		uno::Reference< container::XEnumeration > xEnum = new WindowComponentEnumImpl( m_xContext );
		sal_Int32 nIndex=0;
		while( xEnum->hasMoreElements() )
		{
			uno::Reference< sheet::XSpreadsheetDocument > xNext( xEnum->nextElement(), uno::UNO_QUERY );
			if ( xNext.is() )
			{
				m_windows.push_back( xNext );
				uno::Reference< frame::XModel > xModel( xNext, uno::UNO_QUERY_THROW ); // that the spreadsheetdocument is a xmodel is a given
            	// !! TODO !! iterate over all controllers
            	uno::Reference< frame::XController > xController( xModel->getCurrentController(), uno::UNO_SET_THROW );
                uno::Reference< XHelperInterface > xTemp;  // temporary needed for g++ 3.3.5
				ScVbaWindow window( xTemp, m_xContext, xModel, xController );
				rtl::OUString sCaption;
				window.getCaption() >>= sCaption;
				namesToIndices[ sCaption ] = nIndex++;
			}
		}

	}

	//XEnumerationAccess
	virtual uno::Reference< container::XEnumeration > SAL_CALL createEnumeration(  ) throw (uno::RuntimeException)
	{
		return new WindowComponentEnumImpl( m_xContext, m_windows );
	}
	// XIndexAccess
	virtual ::sal_Int32 SAL_CALL getCount(  ) throw (uno::RuntimeException)
	{
		return m_windows.size();
	}
	virtual uno::Any SAL_CALL getByIndex( ::sal_Int32 Index ) throw ( lang::IndexOutOfBoundsException, lang::WrappedTargetException, uno::RuntimeException)
	{
		if ( Index < 0
			|| static_cast< Components::size_type >( Index ) >= m_windows.size() )
			throw lang::IndexOutOfBoundsException();
		return makeAny( m_windows[ Index ] ); // returns xspreadsheetdoc
	}

	//XElementAccess
	virtual uno::Type SAL_CALL getElementType(  ) throw (uno::RuntimeException)
	{
		return sheet::XSpreadsheetDocument::static_type(0);
	}

	virtual ::sal_Bool SAL_CALL hasElements(  ) throw (uno::RuntimeException)
	{
		return (m_windows.size() > 0);
	}

	//XNameAccess
	virtual uno::Any SAL_CALL getByName( const ::rtl::OUString& aName ) throw (container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException)
	{
		NameIndexHash::const_iterator it = namesToIndices.find( aName );
		if ( it == namesToIndices.end() )
			throw container::NoSuchElementException();
		return makeAny( m_windows[ it->second ] );

	}

	virtual uno::Sequence< ::rtl::OUString > SAL_CALL getElementNames(  ) throw (uno::RuntimeException)
	{
		uno::Sequence< ::rtl::OUString > names( namesToIndices.size() );
		::rtl::OUString* pString = names.getArray();
		NameIndexHash::const_iterator it = namesToIndices.begin();
		NameIndexHash::const_iterator it_end = namesToIndices.end();
		for ( ; it != it_end; ++it, ++pString )
			*pString = it->first;
		return names;	
	}

	virtual ::sal_Bool SAL_CALL hasByName( const ::rtl::OUString& aName ) throw (uno::RuntimeException) 
	{ 
		NameIndexHash::const_iterator it = namesToIndices.find( aName );
		return (it != namesToIndices.end());
	}

};


ScVbaWindows::ScVbaWindows( const uno::Reference< ov::XHelperInterface >& xParent, const uno::Reference< uno::XComponentContext > & xContext, const uno::Reference< container::XIndexAccess >& xIndexAccess  ):  ScVbaWindows_BASE( xParent, xContext, xIndexAccess ) 
{
}

ScVbaWindows::ScVbaWindows( const uno::Reference< ov::XHelperInterface >& xParent, const css::uno::Reference< css::uno::XComponentContext >& xContext ) : ScVbaWindows_BASE( xParent, xContext, uno::Reference< container::XIndexAccess > ( new WindowsAccessImpl( xContext ) ) )
{
}
uno::Reference< container::XEnumeration >
ScVbaWindows::createEnumeration() throw (uno::RuntimeException)
{
	return new WindowEnumImpl( mxContext, Application() );
}

uno::Any
ScVbaWindows::createCollectionObject( const css::uno::Any& aSource )
{
	return ComponentToWindow( aSource,  mxContext, Application() );
}

uno::Type 
ScVbaWindows::getElementType() throw (uno::RuntimeException)
{
	return excel::XWindows::static_type(0);
}


void SAL_CALL 
ScVbaWindows::Arrange( ::sal_Int32 /*ArrangeStyle*/, const uno::Any& /*ActiveWorkbook*/, const uno::Any& /*SyncHorizontal*/, const uno::Any& /*SyncVertical*/ ) throw (uno::RuntimeException)
{
	//#TODO #FIXME see what can be done for an implementation here
}


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

css::uno::Sequence<rtl::OUString> 
ScVbaWindows::getServiceNames()
{
	static uno::Sequence< rtl::OUString > sNames;
	if ( sNames.getLength() == 0 )
	{
		sNames.realloc( 1 );
		sNames[0] = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("ooo.vba.excel.Windows") );
	}
	return sNames;
}