/**************************************************************
 * 
 * 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 _FILEPICKERSTATE_HXX_
#define _FILEPICKERSTATE_HXX_

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

#include <sal/types.h>
#include "controlcommand.hxx"
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <rtl/ustring.hxx>

#define WIN32_LEAN_AND_MEAN
#if defined _MSC_VER
#pragma warning(push, 1)
#endif
#include <windows.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif
//---------------------------------------------
//
//---------------------------------------------

class CControlCommand;
class CFileOpenDialog;

//---------------------------------------------
// declaration
//---------------------------------------------

class CFilePickerState
{
public:
    virtual ~CFilePickerState( );

    virtual void SAL_CALL setValue( sal_Int16 aControlId, sal_Int16 aControlAction, const ::com::sun::star::uno::Any& aValue ) = 0;

	virtual ::com::sun::star::uno::Any SAL_CALL getValue( sal_Int16 aControlId, sal_Int16 aControlAction ) = 0;
	
	virtual void SAL_CALL enableControl( sal_Int16 aControlId, sal_Bool bEnable ) = 0;

    virtual void SAL_CALL setLabel( sal_Int16 aControlId, const ::rtl::OUString& aLabel ) = 0;

    virtual ::rtl::OUString SAL_CALL getLabel( sal_Int16 aControlId ) = 0;

    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getFiles( CFileOpenDialog* aFileOpenDialog ) = 0;

    virtual rtl::OUString SAL_CALL getDisplayDirectory( CFileOpenDialog* aFileOpenDialog ) = 0;
};

//---------------------------------------------
// this class is not thread-safe
//---------------------------------------------

class CNonExecuteFilePickerState : public CFilePickerState
{
public:
    CNonExecuteFilePickerState( );

    virtual ~CNonExecuteFilePickerState( );

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

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

    virtual void SAL_CALL setLabel( sal_Int16 aControlId, const ::rtl::OUString& aLabel );

    virtual ::rtl::OUString SAL_CALL getLabel( sal_Int16 aControlId );

    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getFiles( CFileOpenDialog* aFileOpenDialog );

    virtual rtl::OUString SAL_CALL getDisplayDirectory( CFileOpenDialog* aFileOpenDialog );

    void SAL_CALL reset( );

    CControlCommand* SAL_CALL getControlCommand( ) const;

protected:
    void SAL_CALL addControlCommand( CControlCommand* aControlCommand );

private:
    CControlCommand* m_FirstControlCommand;
};

//---------------------------------------------
// this class is not thread-safe
//---------------------------------------------

class CExecuteFilePickerState : public CFilePickerState
{
public:
    CExecuteFilePickerState( HWND hwndDlg = NULL );

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

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

    virtual void SAL_CALL setLabel( sal_Int16 aControlId, const ::rtl::OUString& aLabel );

    virtual ::rtl::OUString SAL_CALL getLabel( sal_Int16 aControlId );

    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getFiles( CFileOpenDialog* aFileOpenDialog );

    virtual rtl::OUString SAL_CALL getDisplayDirectory( CFileOpenDialog* aFileOpenDialog );

    void SAL_CALL initFilePickerControls( CControlCommand* firstControlCommand );

    void SAL_CALL cacheControlState( HWND hwndControl, CFilePickerState* aFilePickerState );

    void SAL_CALL setHwnd( HWND hwndDlg );

private:

    inline sal_Bool SAL_CALL IsListboxControl( HWND hwndControl ) const;
    
    inline sal_Int16 SAL_CALL ListboxIdToListboxLabelId( sal_Int16 aListboxId ) const;

    inline HWND SAL_CALL GetListboxLabelItem( sal_Int16 aControlId ) const;

    // returns a hwnd for a control if successful 
	// if bIncludeStdCtrls is false, the standard file dialog
	// controls like OK button, etc. will not be considered
	// the function return 0 on failure
    HWND SAL_CALL GetHwndDlgItem( sal_Int16 aControlId, sal_Bool bIncludeStdCtrls = sal_True ) const;

    HWND m_hwndDlg;
};

#endif