www.pudn.com > TreePropSheetEx.rar > TreePropSheetEx.cpp

// TreePropSheetEx.cpp 
// 
///////////////////////////////////////////////////////////////////////////// 
// 
// Copyright (C) 2004 by Yves Tkaczyk 
// (http://www.tkaczyk.net - yves@tkaczyk.net) 
// 
// The contents of this file are subject to the Artistic License (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.opensource.org/licenses/artistic-license.html 
// 
// Documentation: http://www.codeproject.com/property/treepropsheetex.asp 
// CVS tree:      http://sourceforge.net/projects/treepropsheetex 
// 
///////////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "TreePropSheetEx.h" 
#include "TreePropSheetSplitter.h" 
#include "MemDC.h" 
#include  
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
 
namespace 
{ 
  /*! Initialized size. */ 
  const CSize kInitializeSize( -1, -1 ); 
}; 
namespace TreePropSheet 
{ 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
IMPLEMENT_DYNCREATE(CTreePropSheetEx, CTreePropSheetBase ) 
 
#pragma warning(push) 
#pragma warning(4: 4355) 
 
CTreePropSheetEx::CTreePropSheetEx() 
 : CTreePropSheetBase() 
{ 
  Init(); 
} 
 
CTreePropSheetEx::CTreePropSheetEx(UINT nIDCaption,CWnd* pParentWnd /*=NULL*/,UINT iSelectPage /*=0*/) 
 : CTreePropSheetBase( nIDCaption, pParentWnd, iSelectPage ) 
{ 
  Init(); 
} 
 
CTreePropSheetEx::CTreePropSheetEx(LPCTSTR pszCaption,CWnd* pParentWnd /*=NULL*/,UINT iSelectPage /*=0*/) 
 : CTreePropSheetBase( pszCaption, pParentWnd, iSelectPage ) 
{ 
  Init(); 
} 
 
#pragma warning(pop) 
 
CTreePropSheetEx::~CTreePropSheetEx() 
{ 
} 
 
////////////////////////////////////////////////////////////////////// 
// Properties 
////////////////////////////////////////////////////////////////////// 
 
bool CTreePropSheetEx::SetIsResizable(const bool bIsResizable) 
{ 
  if( ::IsWindow( m_hWnd ) ) 
    return false; 
 
	m_bIsResizable = bIsResizable; 
  return true; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
bool CTreePropSheetEx::IsResizable() const 
{ 
	return m_bIsResizable; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
void CTreePropSheetEx::SetMinSize(const CSize& sizeMin) 
{ 
  ASSERT( m_bIsResizable ); 
	m_sizeSheetMinimumSize = sizeMin; 
 
  // If the window exists, update it. 
  UpdateSheetMinimumSize(); 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
CSize CTreePropSheetEx::GetMinSize() const 
{ 
	return m_sizeSheetMinimumSize; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
void CTreePropSheetEx::SetMaxSize(const CSize& sizeMax) 
{ 
  ASSERT( m_bIsResizable ); 
	m_sizeSheetMaximumSize = sizeMax; 
 
  // If the window exists, update it. 
  UpdateSheetMaximumSize(); 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
CSize CTreePropSheetEx::GetMaxSize() const 
{ 
	return m_sizeSheetMaximumSize; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
bool CTreePropSheetEx::SetPaneMinimumSize(const int nPaneMinimumSize) 
{ 
  ASSERT( nPaneMinimumSize >= 0 ); 
 
  if( ::IsWindow( m_hWnd ) ) 
    return false; 
 
  m_nTreeMinimumSize = nPaneMinimumSize; 
  m_nFrameMinimumSize = nPaneMinimumSize; 
 
  return true; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
int CTreePropSheetEx::GetPaneMinimumSize() const 
{ 
  if( m_nTreeMinimumSize != m_nFrameMinimumSize ) 
    return -1; 
 
	return m_nFrameMinimumSize; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
bool CTreePropSheetEx::SetPaneMinimumSizes(const int nTreeMinimumSize,const int nFrameMinimumSize) 
{ 
  ASSERT( nTreeMinimumSize >= 0 ); 
  ASSERT( nFrameMinimumSize >= 0 ); 
 
  if( ::IsWindow( m_hWnd ) ) 
    return false; 
 
  m_nTreeMinimumSize = nTreeMinimumSize; 
  m_nFrameMinimumSize = nFrameMinimumSize; 
  return true; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
void CTreePropSheetEx::GetPaneMinimumSizes(int& nTreeMinimumSize,int& nFrameMinimumSize) const 
{ 
  nTreeMinimumSize = m_nTreeMinimumSize; 
  nFrameMinimumSize = m_nFrameMinimumSize; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
void CTreePropSheetEx::SetTreeIsResizable(const bool bIsTreeResizable) 
{ 
	m_bIsTreeResizable = bIsTreeResizable; 
 
  // If the splitter exists, update it. 
  if( ::IsWindow( m_hWnd ) && NULL != m_pSplitter.get() ) 
  { 
    m_pSplitter->SetAllowUserResizing( m_bIsTreeResizable ); 
  } 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
bool CTreePropSheetEx::IsTreeResizable() const 
{ 
	return m_bIsTreeResizable; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
bool CTreePropSheetEx::SetSplitterWidth(const int nSplitterWidth) 
{ 
  ASSERT( m_nSplitterWidth >= 1 ); 
	if( ::IsWindow( m_hWnd ) )  
    return false; 
 
  m_nSplitterWidth = nSplitterWidth; 
  return true; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
int CTreePropSheetEx::GetSplitterWidth() const 
{ 
	return m_nSplitterWidth; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
void CTreePropSheetEx::SetTreeResizingMode(const enTreeSizingMode eSizingMode) 
{ 
  ASSERT( eSizingMode == TSM_Fixed || eSizingMode == TSM_Proportional ); 
 
	// Store the tree sizing mode. 
  m_eSizingMode = eSizingMode; 
   
  // Update the splitter if it exists. 
  if( m_pSplitter.get() ) 
  { 
    const bool vert_splitter_frozen[2] = { m_eSizingMode==TSM_Fixed?true:false, false }; 
    m_pSplitter->SetFrozenPanes( vert_splitter_frozen ); 
  } 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
enTreeSizingMode CTreePropSheetEx::GetTreeResizingMode() const 
{ 
	return m_eSizingMode; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
CTreePropSheetEx::tSplitter* CTreePropSheetEx::GetSplitterObject() const 
{ 
	return m_pSplitter.get(); 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
CWnd* CTreePropSheetEx::GetSplitterWnd() const 
{ 
	return static_cast( m_pSplitter.get() ); 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
void CTreePropSheetEx::SetContextMenuMode(const TreePropSheet::enContextMenuMode eContextMenuMode) 
{ 
  m_eContextMenuMode = eContextMenuMode; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
TreePropSheet::enContextMenuMode CTreePropSheetEx::GetContextMenuMode() const 
{ 
	return m_eContextMenuMode;  
} 
 
////////////////////////////////////////////////////////////////////// 
// 
void CTreePropSheetEx::SetRealTimeSplitter(const bool bRealtime) 
{ 
	m_bIsRealtimeSplitterMode = bRealtime; 
 
  // Update the splitter if it exists. 
  if( m_pSplitter.get() ) 
  { 
    m_pSplitter->SetRealtimeUpdate( m_bIsRealtimeSplitterMode ); 
  } 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
bool CTreePropSheetEx::IsRealTimeSplitter() const 
{ 
	return m_bIsRealtimeSplitterMode; 
} 
 
////////////////////////////////////////////////////////////////////// 
// Overrides 
////////////////////////////////////////////////////////////////////// 
 
BOOL CTreePropSheetEx::SetTreeWidth(int nWidth) 
{ 
  // If the sheet is not resizable and already dispalyed, we cannot set the width.  
  if( !IsSettingWidthValid() ) 
  { 
    ASSERT( FALSE ); 
    return false; 
  } 
 
  if( nWidth < 0 ) 
  { 
    // ASSERT: Tree width cannot be negative. Maximum range is not checked.  
    ASSERT( FALSE ); 
    return FALSE; 
  } 
 
  m_nPageTreeWidth = nWidth; 
 
  return TRUE; 
} 
 
////////////////////////////////////////////////////////////////////// 
// Overridables 
////////////////////////////////////////////////////////////////////// 
 
CTreePropSheetEx::tSplitterPtr CTreePropSheetEx::CreateSplitterObject() const 
{ 
  const int zMinSizes[2] = { m_nTreeMinimumSize, m_nFrameMinimumSize }; 
  return tSplitterPtr(new tSplitter( 2, SSP_HORZ, zMinSizes, m_nSplitterWidth ) ); 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
CTreePropSheetEx::tLayoutManagerPtr CTreePropSheetEx::CreateLayoutManagerObject() 
{ 
  ASSERT( m_bIsResizable ); 
  return tLayoutManagerPtr( new tLayoutManager( this ) ); 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
CTreePropSheetEx::tLayoutManager* CTreePropSheetEx::GetLayoutManagerObject() const 
{ 
  return m_pResizeHook.get(); 
} 
 
////////////////////////////////////////////////////////////////////// 
// Helpers 
////////////////////////////////////////////////////////////////////// 
 
void CTreePropSheetEx::Init() 
{ 
  m_psh.dwFlags &= ~( PSH_HASHELP ); 
 
  m_bIsResizable = true; 
  m_bIsTreeResizable = true; 
  m_bIsRealtimeSplitterMode = true; 
  m_bSkipEmptyPages = false; 
  m_eSizingMode = TSM_Fixed; 
  m_eContextMenuMode = TPS_PropertySheetControls; 
  m_sizeSheetMinimumSize = kInitializeSize; 
  m_sizeSheetMaximumSize = kInitializeSize; 
  m_nSplitterWidth = 5; 
  m_nTreeMinimumSize = 148; 
  m_nFrameMinimumSize = 148; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
bool CTreePropSheetEx::IsSettingWidthValid() const 
{ 
	return !IsWindow( m_hWnd ) || IsResizable(); 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
void CTreePropSheetEx::UpdateSheetMinimumSize() 
{ 
  // If the window exists, update it. 
  if( ::IsWindow( m_hWnd ) && 
      IsResizable() && 
      kInitializeSize != m_sizeSheetMinimumSize && 
      NULL != m_pResizeHook.get() ) 
  { 
    // Just make sure that the provided minimum width is 
    // wide enough according to minimum pane width.  
    ASSERT( m_sizeSheetMinimumSize.cx >= m_nTreeMinimumSize + m_nFrameMinimumSize + m_nSplitterWidth ); 
    m_pResizeHook->SetMinSize( CSize( __max( m_sizeSheetMinimumSize.cx, m_nTreeMinimumSize + m_nFrameMinimumSize + m_nSplitterWidth ), 
                                      m_sizeSheetMinimumSize.cy ) ); 
  } 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
void CTreePropSheetEx::UpdateSheetMaximumSize() 
{ 
  // If the window exists, update it. 
  if( ::IsWindow( m_hWnd ) && 
      IsResizable() && 
      kInitializeSize != m_sizeSheetMaximumSize && 
      NULL != m_pResizeHook.get() ) 
  { 
    // Just make sure that the provided maximum size is 
    // larger than the minimum size. 
    ASSERT( m_sizeSheetMinimumSize.cx <= m_sizeSheetMaximumSize.cx ); 
    ASSERT( m_sizeSheetMinimumSize.cy <= m_sizeSheetMaximumSize.cy ); 
    m_pResizeHook->SetMaxSize( CSize( __max( m_sizeSheetMinimumSize.cx, m_sizeSheetMaximumSize.cx ), 
                                      __max( m_sizeSheetMinimumSize.cy, m_sizeSheetMaximumSize.cy ) ) ); 
  } 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
////////////////////////////////////////////////////////////////////// 
 
BEGIN_MESSAGE_MAP(CTreePropSheetEx, CTreePropSheetBase) 
	//{{AFX_MSG_MAP(CTreePropSheetEx) 
	ON_WM_CREATE() 
	ON_WM_CONTEXTMENU() 
	ON_WM_DESTROY() 
	ON_WM_HELPINFO() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTreePropSheetEx message handlers 
////////////////////////////////////////////////////////////////////// 
 
int CTreePropSheetEx::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{ 
	if (CTreePropSheetBase::OnCreate(lpCreateStruct) == -1) 
		return -1; 
	 
  // If the sheet is resizable, update the sheet window style to allow resizing. 
	if( IsResizable() ) 
  { 
    // Prepare the property sheet to be resizable. 
	  // keep client area 
	  CRect rect; 
	  GetClientRect(&rect); 
    // Do not change the window style if it is a child window. 
    if( lpCreateStruct->style & WS_POPUP ) 
    { 
      // set resizable style 
	    ModifyStyle(DS_MODALFRAME, WS_POPUP | WS_THICKFRAME ); 
    } 
	  // adjust size to reflect new style 
	  ::AdjustWindowRectEx(&rect, GetStyle(),::IsMenu(GetMenu()->GetSafeHmenu()), GetExStyle()); 
	  SetWindowPos(NULL, 0, 0, rect.Width(), rect.Height(), 
                 SWP_FRAMECHANGED|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_NOREPOSITION); 
  } 
 
	return 0; 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
BOOL CTreePropSheetEx::OnInitDialog()  
{ 
	CTreePropSheetBase::OnInitDialog(); 
	 
  // Add the panes to the splitter. 
  if( IsTreeViewMode() ) 
  { 
    if( IsResizable() ) 
    { 
      // Create the splitter object. 
      m_pSplitter = CreateSplitterObject(); 
      ASSERT( m_pSplitter.get() ); 
 
      // Compute the proper position for the splitter control, that is union of tree and frame. 
      CRect rectTree, rectTab, rectSplit; 
      GetPageTreeControl()->GetWindowRect( &rectTree ); 
      GetFrameControl()->GetWnd()->GetWindowRect( &rectTab ); 
      rectSplit.UnionRect( &rectTree, &rectTab ); 
      ScreenToClient( &rectSplit ); 
 
      // Create the splitter window.  
      m_pSplitter->Create( this, rectSplit ); 
 
      // Set the pane 
      m_pSplitter->SetPane( 0, GetPageTreeControl() );                // Pane 0 is the tree control 
      m_pSplitter->SetPane( 1, GetFrameControl()->GetWnd() );         // Pane 1 is the frame 
	    const int vert_splitter_sizes[2] = { rectTree.Width(), rectTab.Width() }; 
      m_pSplitter->SetPaneSizes( vert_splitter_sizes ); 
	    // Set frozen panes. 
      SetTreeResizingMode( m_eSizingMode ); 
      // Set realtime mode. 
      SetRealTimeSplitter( m_bIsRealtimeSplitterMode ); 
      // Enable/disable resizing in splitter. 
      m_pSplitter->SetAllowUserResizing( m_bIsTreeResizable ); 
    } 
  } 
 
	// Initialize the layout library. 
  if( IsResizable() ) 
  { 
    m_pResizeHook = CreateLayoutManagerObject(); 
    ASSERT( m_pResizeHook.get() ); 
    m_pResizeHook->Initialize(); 
     
    // Set the minimum size. 
    UpdateSheetMinimumSize(); 
 
    // Set the maximum size. 
    UpdateSheetMaximumSize(); 
  } 
	 
	return TRUE;  // return TRUE unless you set the focus to a control 
	              // EXCEPTION: OCX Property Pages should return FALSE 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
void CTreePropSheetEx::OnContextMenu(CWnd* pWnd, CPoint point)  
{ 
  /*! \internal Based on the context menu mode and the window, the  
                message is either trapped or passed to the parent.*/ 
   
  // TPS_None: Eat all messages 
  if( TPS_None == m_eContextMenuMode ) 
    return; 
 
  // TPS_All: Delegate everything to the parent (TreePropSheet mode). 
  if( TPS_All == m_eContextMenuMode ) 
    CTreePropSheetBase::OnContextMenu( pWnd, point ); 
 
  // TPS_PropertySheetControls: Eat the messages for the tree and the  
  // frame control. The other windows are own by the property sheets  
  // and therefore should be notified. 
  ASSERT( TPS_PropertySheetControls == m_eContextMenuMode ); 
  if( pWnd->GetSafeHwnd() != GetPageTreeControl()->GetSafeHwnd() && 
      GetFrameControl() && pWnd->GetSafeHwnd() != GetFrameControl()->GetWnd()->GetSafeHwnd() ) 
    CTreePropSheetBase::OnContextMenu( pWnd, point ); 
} 
 
////////////////////////////////////////////////////////////////////// 
// 
BOOL CTreePropSheetEx::OnHelpInfo(HELPINFO* pHelpInfo)  
{ 
	/* Forward help notification to property page in order to keep behavior 
     consistent with CpropertyPage.  
     Thanks to  pablo_mag for the suggestion 
     http://www.codeproject.com/property/TreePropSheetEx.asp?msg=973632#xx973632xx */ 
	 
  CPropertyPage* page = GetActivePage(); 
  if( page != NULL ) 
  { 
    page->SendMessage(WM_HELP, 0, reinterpret_cast(pHelpInfo) ); 
    return TRUE; 
  } 
 
	return CTreePropSheetBase::OnHelpInfo(pHelpInfo); 
} 
 
} // namespace TreePropSheet