/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/


#ifndef _WINFILEOPENIMPL_HXX_
#define _WINFILEOPENIMPL_HXX_

//------------------------------------------------------------------------
// includes
//------------------------------------------------------------------------

#ifndef _COM_SUN_STAR_UI_DIALOGS_XEXTENDEDFILEPICKER_HPP_
#include <com/sun/star/ui/dialogs/XFilePickerControlAccess.hpp>
#endif
#include <com/sun/star/ui/dialogs/FilePickerEvent.hpp>
#include <com/sun/star/ui/dialogs/XFilterGroupManager.hpp>
#include "FilterContainer.hxx"
#include "FileOpenDlg.hxx"
#include "previewadapter.hxx"
#include "helppopupwindow.hxx"
#include "customcontrol.hxx"
#include "customcontrolfactory.hxx"
#include "..\misc\resourceprovider.hxx"

#include <utility>
#include <memory>
#include <vector>
#include <osl/conditn.hxx>

//------------------------------------------------------------------------
// deklarations
//------------------------------------------------------------------------

// forward declaration
class CFilePicker;
class CFilePickerState;
class CExecuteFilePickerState;
class CNonExecuteFilePickerState;

class CWinFileOpenImpl : public CFileOpenDialog
{
public:
	CWinFileOpenImpl( 
		CFilePicker* aFilePicker, 
		sal_Bool bFileOpenDialog = sal_True, 
		sal_uInt32 dwFlags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
		sal_uInt32 dwTemplateId = 0,
		HINSTANCE hInstance = 0 );

	virtual ~CWinFileOpenImpl( );
	
	//-----------------------------------------------------------------------------------------
	// XExecutableDialog
	//-----------------------------------------------------------------------------------------
	
	virtual sal_Int16 SAL_CALL execute(  ) throw( ::com::sun::star::uno::RuntimeException );

	//-----------------------------------------------------------------------------------------
	// XFilePicker
	//-----------------------------------------------------------------------------------------
	
    virtual void SAL_CALL setDefaultName( const ::rtl::OUString& aName ) 
		throw( ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException );
    
	virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getFiles(  ) 
		throw(::com::sun::star::uno::RuntimeException );
    
	virtual void SAL_CALL setDisplayDirectory( const ::rtl::OUString& aDirectory ) 
		throw( ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException );

	virtual ::rtl::OUString SAL_CALL getDisplayDirectory( ) throw ( ::com::sun::star::uno::RuntimeException );

	//-----------------------------------------------------------------------------------------
	// XFilterManager
	//-----------------------------------------------------------------------------------------

	virtual void SAL_CALL appendFilter( const ::rtl::OUString& aTitle, const ::rtl::OUString& aFilter ) 
		throw( ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException );

    virtual void SAL_CALL setCurrentFilter( const ::rtl::OUString& aTitle ) 
		throw( ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException );

    virtual ::rtl::OUString  SAL_CALL getCurrentFilter( ) 
		throw( ::com::sun::star::uno::RuntimeException );

    //-----------------------------------------------------------------------------------------
	// XFilterGroupManager
	//-----------------------------------------------------------------------------------------

    virtual void SAL_CALL appendFilterGroup( const ::rtl::OUString& sGroupTitle, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::StringPair >& aFilters ) 
        throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);

	//-----------------------------------------------------------------------------------------
	// XFilePickerControlAccess
	//-----------------------------------------------------------------------------------------
	
	virtual void SAL_CALL setValue( sal_Int16 aControlId, sal_Int16 aControlAction, const ::com::sun::star::uno::Any& aValue ) 
		throw( ::com::sun::star::uno::RuntimeException );

	virtual ::com::sun::star::uno::Any SAL_CALL getValue( sal_Int16 aControlId, sal_Int16 aControlAction ) 
		throw( ::com::sun::star::uno::RuntimeException );
	
	virtual void SAL_CALL enableControl( sal_Int16 aControlId, sal_Bool bEnable ) 
		throw( ::com::sun::star::uno::RuntimeException );

    virtual void SAL_CALL setLabel( sal_Int16 aControlId, const ::rtl::OUString& aLabel ) 
		throw (::com::sun::star::uno::RuntimeException);

    virtual ::rtl::OUString SAL_CALL getLabel( sal_Int16 aControlId ) 
		throw ( ::com::sun::star::uno::RuntimeException);
	
    //------------------------------------------------
    // XFilePreview
    //------------------------------------------------

    virtual ::com::sun::star::uno::Sequence< sal_Int16 > SAL_CALL getSupportedImageFormats(  ) 
        throw (::com::sun::star::uno::RuntimeException);

    virtual sal_Int32 SAL_CALL getTargetColorDepth( ) 
        throw (::com::sun::star::uno::RuntimeException);

    virtual sal_Int32 SAL_CALL getAvailableWidth( ) 
        throw (::com::sun::star::uno::RuntimeException);

    virtual sal_Int32 SAL_CALL getAvailableHeight( ) 
        throw (::com::sun::star::uno::RuntimeException);

    virtual void SAL_CALL setImage( sal_Int16 aImageFormat, const ::com::sun::star::uno::Any& aImage ) 
        throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);

    virtual sal_Bool SAL_CALL setShowState( sal_Bool bShowState ) 
        throw (::com::sun::star::uno::RuntimeException);

    virtual sal_Bool SAL_CALL getShowState( ) 
        throw (::com::sun::star::uno::RuntimeException);

	//------------------------------------------------
    // XCancelable
    //------------------------------------------------

    virtual void SAL_CALL cancel( );

	//------------------------------------------------
    // Implementation details
    //------------------------------------------------

protected:
    sal_Int16 SAL_CALL getFocused( );

	virtual bool SAL_CALL preModal( );
	virtual void SAL_CALL postModal( sal_Int16 nDialogResult );

	virtual sal_uInt32 SAL_CALL onFileOk();
	virtual void SAL_CALL onSelChanged( HWND hwndListBox );    

	// only called back if OFN_EXPLORER is set
	virtual void SAL_CALL onInitDone();	
	virtual void SAL_CALL onFolderChanged();
	virtual void SAL_CALL onTypeChanged( sal_uInt32 nFilterIndex );
	
	// call base class method first when overloading
	virtual void SAL_CALL onInitDialog( HWND hwndDlg );

	virtual sal_uInt32 SAL_CALL onCtrlCommand( HWND hwndDlg, sal_uInt16 ctrlId, sal_uInt16 notifyCode );
	

	void onWMSize();
	void onWMShow(sal_Bool bShow);
	void onWMWindowPosChanged();
	void onCustomControlHelpRequest(LPHELPINFO lphi);

private: 
    inline void SAL_CALL appendFilterGroupSeparator( );
	
	inline sal_Bool SAL_CALL IsCustomControlHelpRequested(LPHELPINFO lphi) const;

    void EnlargeStdControlLabels() const;
    
    // initialize all controls from cache
    void SAL_CALL InitControlLabel( HWND hWnd );
	void SAL_CALL InitCustomControlContainer(HWND hCustomControl);
	
    // save the control state 
    void SAL_CALL CacheControlState(HWND hWnd);

    void SAL_CALL SetDefaultExtension();
    void SAL_CALL InitialSetDefaultName();
    
	static LRESULT CALLBACK SubClassFunc(HWND hWnd, UINT wMessage, WPARAM wParam, LPARAM lParam);

	static BOOL CALLBACK EnumChildWndProc( HWND hWnd, LPARAM lParam );
    
private:	
	std::auto_ptr<CFilterContainer>			m_filterContainer;	
    std::auto_ptr<CPreviewAdapter>	   		m_Preview;		
	std::auto_ptr<CCustomControlFactory>	m_CustomControlFactory;
	std::auto_ptr<CCustomControl>			m_CustomControls;
	CFilePicker*							m_FilePicker;	
	WNDPROC									m_pfnOldDlgProc;	
    rtl::OUString							m_defaultName;    
    sal_Bool								m_bInitialSelChanged;
    CHelpPopupWindow						m_HelpPopupWindow;
    CFilePickerState*						m_FilePickerState;
    CExecuteFilePickerState*				m_ExecuteFilePickerState;
    CNonExecuteFilePickerState*				m_NonExecuteFilePickerState;    
    CResourceProvider						m_ResProvider;      
};


#endif