/********************************************
** 工作室：S&P工作室
** 作者	 ：张东斌
** 日期  ：2007年6月
*********************************************/
#include "stdafx.h"
#include "SPDrawHelpers.h"
#include "SPVC80Helpers.h"

#include "SPPropertyGridInplaceEdit.h"
#include "SPPropertyGridInplaceButton.h"
#include "SPPropertyGridInplaceList.h"
#include "SPPropertyGridItem.h"
#include "SPPropertyGridInplaceList.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char	THIS_FILE[]	= __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CSPPropertyGridInplaceList

CSPPropertyGridInplaceList::CSPPropertyGridInplaceList() : m_pItem( 0 )
{
}

CSPPropertyGridInplaceList::~CSPPropertyGridInplaceList()
{
}

IMPLEMENT_DYNAMIC( CSPPropertyGridInplaceList , CListBox )

BEGIN_MESSAGE_MAP(CSPPropertyGridInplaceList, CListBox)
	//{{AFX_MSG_MAP(CSPPropertyGridInplaceList)
	ON_WM_KILLFOCUS()
	ON_WM_LBUTTONUP()
	ON_WM_KEYDOWN()
	ON_WM_SYSKEYDOWN()
	ON_WM_MOUSEACTIVATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

void CSPPropertyGridInplaceList::Create( CSPPropertyGridItem * pItem , CRect rect )
{
	ASSERT( pItem && pItem->GetGrid() );

	CRect	rcValue	= pItem->GetValueRect();

	CWnd *	pParent	= ( CWnd * ) pItem->GetGrid();

	DestroyWindow();

	if ( !m_hWnd )
	{
		CListBox::CreateEx( WS_EX_TOOLWINDOW | pParent->GetExStyle() & WS_EX_LAYOUTRTL,_T( "LISTBOX" ),_T( "" ),LBS_NOTIFY | WS_CHILD | WS_BORDER | WS_VSCROLL,CRect( 0,0,0,0 ),pParent,0 );
		SetOwner( pParent );
	}
	SetFont( pParent->GetFont() );

	ResetContent();

	CSPPropertyGridItemConstraints *pList	= pItem->GetConstraints();


	int								nIndex	= 0;
	int								dx		= rect.right - rcValue.left;

	CWindowDC						dc		( pParent );
	CSPFontDC						font	( &dc,pParent->GetFont() );
	SetItemHeight( 0,dc.GetTextExtent( _T( " " ) ).cy + 3 );

	int	nThumbLength	= GetSystemMetrics( SM_CXHTHUMB );

	for ( int i = 0; i < pList->GetCount(); i++ )
	{
		CString	str	= pList->GetAt( i );
		AddString( str );

		dx = __max( dx,dc.GetTextExtent( str ).cx + nThumbLength * 2 );

		if ( pItem->GetValue() == str )
			SetCurSel( nIndex );
		nIndex++;
	}

	int	nHeight	= GetItemHeight( 0 );
	rect.top = rect.bottom;
	rect.bottom += nHeight * __min( 10,GetCount() ) + 2;
	rect.left = rect.right - __min( dx,rect.Width() - SP_PGI_EXPAND_BORDER );

	pParent->ClientToScreen( &rect );

	CRect	rcWork	= CSPDrawHelpers::GetWorkArea( rcValue );
	if ( rect.bottom > rcWork.bottom && rect.top > rcWork.CenterPoint().y )
	{
		rect.OffsetRect( 0,-rect.Height() - rcValue.Height() - 3 );
	}
	if ( rect.left < rcWork.left )
	{
		rect.OffsetRect( rcWork.left - rect.left,0 );
	}
	if ( rect.right > rcWork.right )
	{
		rect.OffsetRect( rcWork.right - rect.right,0 );
	}


	SetFocus();

#ifdef SP_SITENOTIFY_ONFOCUS
	SP_SITENOTIFY_ONFOCUS( pParent,pParent,TRUE )
#endif

	SetWindowLong( m_hWnd,GWL_HWNDPARENT,0 );
	ModifyStyle( WS_CHILD,WS_POPUP );
	SetWindowLongPtr( m_hWnd,GWL_HWNDPARENT,( LONG_PTR ) pParent->m_hWnd );

	SetWindowPos( 0,rect.left,rect.top,rect.Width(),rect.Height(),SWP_NOZORDER | SWP_SHOWWINDOW | SWP_NOACTIVATE );

	CSPMouseMonitor::SetupHook( this );

	m_pItem = pItem;
}

/////////////////////////////////////////////////////////////////////////////
// CSPPropertyGridInplaceList message handlers

void CSPPropertyGridInplaceList::OnKillFocus( CWnd * pNewWnd )
{
	CListBox::OnKillFocus( pNewWnd );

	ShowWindow( SW_HIDE );
	CSPMouseMonitor::SetupHook( NULL );

#ifdef SP_SITENOTIFY_ONFOCUS
	SP_SITENOTIFY_ONFOCUS( GetOwner(),GetOwner(),FALSE )
#endif
}

int CSPPropertyGridInplaceList::OnMouseActivate( CWnd* /*pDesktopWnd*/ , UINT /*nHitTest*/ , UINT /*message*/ )
{
	return MA_NOACTIVATE;
}
void CSPPropertyGridInplaceList::PostNcDestroy()
{
	CSPMouseMonitor::SetupHook( NULL );

	CListBox::PostNcDestroy();
}

void CSPPropertyGridInplaceList::OnLButtonUp( UINT , CPoint point )
{
	CSPClientRect	rc	( this );

	if ( rc.PtInRect( point ) )
	{
		Apply();
	}
	else
	{
		Cancel();
	}
}


void CSPPropertyGridInplaceList::Cancel( void )
{
	GetOwner()->SetFocus();
}

void CSPPropertyGridInplaceList::Apply( void )
{
	int	nIndex	= GetCurSel();
	if ( nIndex != LB_ERR )
	{
		CSPPropertyGridItemConstraints *pList	= m_pItem->GetConstraints();
		pList->SetCurrent( nIndex );

		CString	str;
		GetText( nIndex,str );

		if ( str != m_pItem->GetValue() )
			m_pItem->OnValueChanged( str );
	}
	GetOwner()->SetFocus();
}

void CSPPropertyGridInplaceList::OnKeyDown( UINT nChar , UINT nRepCnt , UINT nFlags )
{
	if ( nChar == VK_ESCAPE )
	{
		Cancel();
	}
	else if ( nChar == VK_RETURN || nChar == VK_F4 )
	{
		Apply();
	}
	else
	{
		CListBox::OnKeyDown( nChar,nRepCnt,nFlags );
	}
}

void CSPPropertyGridInplaceList::OnSysKeyDown( UINT nChar , UINT nRepCnt , UINT nFlags )
{
	if ( nChar == VK_DOWN || nChar == VK_UP )
	{
		Apply();
		return;
	}

	CListBox::OnSysKeyDown( nChar,nRepCnt,nFlags );
}


void CSPPropertyGridInplaceList::DestroyItem()
{
	// reset variables to defaults.
	m_pItem = NULL;

	CSPMouseMonitor::SetupHook( NULL );

	// destroy the window.
	//DestroyWindow( );
	if ( ::IsWindow( m_hWnd ) )
	{
		ShowWindow( SW_HIDE );
	}
}