/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * 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
 * under the License.
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 *************************************************************/


#ifndef _SVX_FILTNAV_HXX
#define _SVX_FILTNAV_HXX

#include <com/sun/star/form/XForm.hpp>
#include <com/sun/star/form/runtime/XFormController.hpp>
#include <com/sun/star/form/runtime/XFilterController.hpp>
#include <svl/lstner.hxx>
#include <svl/brdcst.hxx>

#include <vcl/window.hxx>
#include <sfx2/childwin.hxx>
#include <svl/poolitem.hxx>
#include <sfx2/bindings.hxx>
#include <sfx2/dockwin.hxx>
#include <sfx2/ctrlitem.hxx>
#include <vcl/image.hxx>
#include <svtools/svtreebx.hxx>

#include <vcl/dialog.hxx>
#include <vcl/group.hxx>
#include <vcl/dockwin.hxx>
#include "svx/fmtools.hxx"
#include "fmexch.hxx"
#include <connectivity/sqlparse.hxx>
#include "fmexch.hxx"
#include "sqlparserclient.hxx"

class FmFormShell;

//........................................................................
namespace svxform
{
//........................................................................

class FmFilterItem;
class FmFilterItems;
class FmParentData;
class FmFilterAdapter;

//========================================================================
// data structure for the filter model
//========================================================================
class FmFilterData
{
	::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xORB;
	FmParentData*			m_pParent;
	::rtl::OUString			m_aText;

public:
	TYPEINFO();
	FmFilterData(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory,FmParentData* pParent = NULL, const ::rtl::OUString& rText = ::rtl::OUString())
		:m_xORB( _rxFactory )
        ,m_pParent( pParent )
		,m_aText( rText )
	{}
	virtual ~FmFilterData(){}

	void    SetText( const ::rtl::OUString& rText ){ m_aText = rText; }
	::rtl::OUString  GetText() const { return m_aText; }
	FmParentData* GetParent() const {return m_pParent;}

	virtual Image GetImage( BmpColorMode _eMode = BMP_COLOR_NORMAL ) const;
};

//========================================================================
class FmParentData : public FmFilterData
{
protected:
	::std::vector< FmFilterData* >  m_aChildren;

public:
	TYPEINFO();
	FmParentData(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory,FmParentData* pParent, const ::rtl::OUString& rText)
		: FmFilterData(_rxFactory,pParent, rText)
	{}
	virtual ~FmParentData();

	::std::vector< FmFilterData* >& GetChildren() { return m_aChildren; }
};

//========================================================================
// Item representing the forms and subforms
class FmFormItem : public FmParentData
{
    ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController >    m_xController;
    ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFilterController >  m_xFilterController;

public:
	TYPEINFO();

    FmFormItem(  const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory,FmParentData* _pParent,
                 const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController > & _xController,
				 const ::rtl::OUString& _rText)
        :FmParentData( _rxFactory, _pParent, _rText )
		,m_xController( _xController )
        ,m_xFilterController( _xController, ::com::sun::star::uno::UNO_QUERY_THROW )
    {
    }

	inline const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController >&
        GetController() { return m_xController; }

	inline const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFilterController >&
        GetFilterController() { return m_xFilterController; }

	virtual Image GetImage( BmpColorMode _eMode = BMP_COLOR_NORMAL ) const;
};

//========================================================================
class FmFilterItems : public FmParentData
{
public:
	TYPEINFO();
	FmFilterItems(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory):FmParentData(_rxFactory,NULL, ::rtl::OUString()){}
	FmFilterItems(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory,FmFormItem* pParent, const ::rtl::OUString& rText ):FmParentData(_rxFactory,pParent, rText){}

    FmFilterItem* Find( const ::sal_Int32 _nFilterComponentIndex ) const;	
	virtual Image GetImage( BmpColorMode _eMode = BMP_COLOR_NORMAL ) const;
};

//========================================================================
class FmFilterItem : public FmFilterData
{
	::rtl::OUString     m_aFieldName;
    const sal_Int32     m_nComponentIndex;

public:
	TYPEINFO();
	FmFilterItem(
        const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory,
		FmFilterItems* pParent,
		const ::rtl::OUString& aFieldName,
		const ::rtl::OUString& aCondition,
        const sal_Int32 _nComponentIndex
    );

	const ::rtl::OUString& GetFieldName() const {return m_aFieldName;}
    sal_Int32 GetComponentIndex() const { return m_nComponentIndex; }

	virtual Image GetImage( BmpColorMode _eMode = BMP_COLOR_NORMAL ) const;
};

//========================================================================
class FmFilterModel : public FmParentData
					 ,public SfxBroadcaster
					 ,public ::svxform::OSQLParserClient
{
	friend class FmFilterAdapter;	

    ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess >           m_xControllers;
    ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController >    m_xController;
    ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >        m_xORB;
	FmFilterAdapter*		m_pAdapter;
	FmFilterItems*			m_pCurrentItems;

public:
	TYPEINFO();
	FmFilterModel(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory);
	virtual ~FmFilterModel();

	void Update(const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess > & xControllers, const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController > & xCurrent);
	void Clear();
	sal_Bool ValidateText(FmFilterItem* pItem, UniString& rText, UniString& rErrorMsg) const;
	void Append(FmFilterItems* pItems, FmFilterItem* pFilterItem);
	void SetTextForItem(FmFilterItem* pItem, const ::rtl::OUString& rText);

	FmFormItem* GetCurrentForm() const {return m_pCurrentItems ? (FmFormItem*)m_pCurrentItems->GetParent() : NULL;}
	FmFilterItems* GetCurrentItems() const {return m_pCurrentItems;}
	void SetCurrentItems(FmFilterItems* pCurrent);
	::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > getORB() const { return m_xORB; }

	const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess > & GetControllers() const {return m_xControllers;}
	const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController > & GetCurrentController() const {return m_xController;}
	void SetCurrentController(const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController > & xController);

	void Remove(FmFilterData* pFilterItem);
	void AppendFilterItems( FmFormItem& _rItem );
	void EnsureEmptyFilterRows( FmParentData& _rItem );

protected:
	void Insert(const ::std::vector<FmFilterData*>::iterator& rPos, FmFilterData* pFilterItem);
	void Remove( const ::std::vector<FmFilterData*>::iterator& rPos );
	FmFormItem* Find(const ::std::vector<FmFilterData*>& rItems, const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController > & xController) const;
	FmFormItem* Find(const ::std::vector<FmFilterData*>& rItems, const ::com::sun::star::uno::Reference< ::com::sun::star::form::XForm >& xForm) const;
	void Update(const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess > & xControllers, FmParentData* pParent);
};

//========================================================================
//========================================================================
class OFilterItemExchange : public OLocalExchange
{	
	::std::vector<FmFilterItem*>	m_aDraggedEntries;	
	FmFormItem*				m_pFormItem;		// ensure that we drop on the same form

public:	
	OFilterItemExchange();

	static sal_uInt32		getFormatId( );
	inline static sal_Bool	hasFormat( const DataFlavorExVector& _rFormats );

	const ::std::vector<FmFilterItem*>& getDraggedEntries() const { return m_aDraggedEntries; }	
	void setDraggedEntries(const ::std::vector<FmFilterItem*>& _rList) { m_aDraggedEntries = _rList; }	
	FmFormItem* getFormItem() const { return m_pFormItem; }

	void setFormItem( FmFormItem* _pItem ) { m_pFormItem = _pItem; }
	void addSelectedItem( FmFilterItem* _pItem) { m_aDraggedEntries.push_back(_pItem); }

protected:
	virtual void AddSupportedFormats();
};

inline sal_Bool OFilterItemExchange::hasFormat( const DataFlavorExVector& _rFormats )
{
	return OLocalExchange::hasFormat( _rFormats, getFormatId() );
}

//====================================================================
//= OFilterExchangeHelper
//====================================================================
class OFilterExchangeHelper : public OLocalExchangeHelper
{
public:
	OFilterExchangeHelper(Window* _pDragSource) : OLocalExchangeHelper(_pDragSource) { }

	OFilterItemExchange* operator->() const { return static_cast<OFilterItemExchange*>(m_pTransferable); }

protected:
	virtual OLocalExchange* createExchange() const;
};

//========================================================================
class FmFilterNavigator : public SvTreeListBox, public SfxListener
{
	enum DROP_ACTION{ DA_SCROLLUP, DA_SCROLLDOWN, DA_EXPANDNODE };
	
	FmFilterModel*			m_pModel;
	SvLBoxEntry*			m_pEditingCurrently;
	OFilterExchangeHelper	m_aControlExchange;


	AutoTimer           m_aDropActionTimer;
	unsigned short      m_aTimerCounter;
	Point               m_aTimerTriggered;      // die Position, an der der DropTimer angeschaltet wurde
	DROP_ACTION         m_aDropActionType;

public:
	FmFilterNavigator( Window* pParent );
	virtual ~FmFilterNavigator();

	void UpdateContent(
            const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess > & xControllers,
            const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController > & xCurrent
        );
	const FmFilterModel* GetFilterModel() const {return m_pModel;}

protected:
    using Control::Notify;

	virtual void KeyInput( const KeyEvent& rKEvt );
	virtual void Command( const CommandEvent& rEvt );
	virtual void Notify( SfxBroadcaster& rBC, const SfxHint& rHint );
	virtual void InitEntry(SvLBoxEntry* pEntry, const XubString& rStr, const Image& rImg1, const Image& rImg2, SvLBoxButtonKind eButtonKind);
	virtual sal_Bool Select( SvLBoxEntry* pEntry, sal_Bool bSelect=sal_True );
	virtual sal_Bool EditingEntry( SvLBoxEntry* pEntry, Selection& rSelection );
	virtual sal_Bool EditedEntry( SvLBoxEntry* pEntry, const XubString& rNewText );

	virtual sal_Int8	AcceptDrop( const AcceptDropEvent& rEvt );
	virtual sal_Int8	ExecuteDrop( const ExecuteDropEvent& rEvt );
	virtual void		StartDrag( sal_Int8 nAction, const Point& rPosPixel );

	void DeleteSelection();
	void Clear();
	SvLBoxEntry* FindEntry(const FmFilterData* pItem) const;
	void Insert(FmFilterData* pItem, sal_Int32 nPos);
	void Remove(FmFilterData* pItem);

	DECL_LINK(OnRemove, SvLBoxEntry*);
	DECL_LINK(OnEdited, SvLBoxEntry*);
	DECL_LINK(OnDropActionTimer, void*);

private:
	/** returns the first form item and the selected FilterItems in the vector
		@param	_rItemList
			Is filled inside. <OUT/>
		@return
			The first form item.
	*/
	FmFormItem* getSelectedFilterItems(::std::vector<FmFilterItem*>& _rItemList);
	/* inserts the filter items into the tree model and creates new FilterItems if needed.
		@param	_rFilterList
			The items which should be inserted.
		@param	_pTargetItems
			The target where to insert the items.
		@param	_bCopy
			If <TRUE/> the items will not be removed from the model, otherwise they will.
	*/
	void insertFilterItem(const ::std::vector<FmFilterItem*>& _rFilterList,FmFilterItems* _pTargetItems,sal_Bool _bCopy = sal_False);
	SvLBoxEntry* getPrevEntry(SvLBoxEntry* _pStartWith = NULL);
	SvLBoxEntry* getNextEntry(SvLBoxEntry* _pStartWith = NULL);

    using SvTreeListBox::Select;
    using SvTreeListBox::ExecuteDrop;
    using SvTreeListBox::Insert;
};

//========================================================================
class FmFilterNavigatorWin : public SfxDockingWindow, public SfxControllerItem
{
private:
	FmFilterNavigator* m_pNavigator;

protected:
	virtual void Resize();
	virtual sal_Bool Close();
	virtual Size CalcDockingSize( SfxChildAlignment );
	virtual SfxChildAlignment CheckAlignment( SfxChildAlignment, SfxChildAlignment );

public:
	FmFilterNavigatorWin( SfxBindings *pBindings, SfxChildWindow *pMgr,
				   Window* pParent );
	virtual ~FmFilterNavigatorWin();

	void UpdateContent( FmFormShell* pFormShell );
	void StateChanged( sal_uInt16 nSID, SfxItemState eState, const SfxPoolItem* pState );
	void FillInfo( SfxChildWinInfo& rInfo ) const;

    using SfxDockingWindow::StateChanged;

	virtual void GetFocus();
};

//========================================================================
class FmFilterNavigatorWinMgr : public SfxChildWindow
{
public:
	FmFilterNavigatorWinMgr( Window *pParent, sal_uInt16 nId, SfxBindings *pBindings,
					  SfxChildWinInfo *pInfo );
	SFX_DECL_CHILDWINDOW( FmFilterNavigatorWinMgr );
};

//........................................................................
}	// namespace svxform
//........................................................................

#endif // _SVX_FILTNAV_HXX