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Tokenizer and analyzer package supporting precedence prioritized rules

, 1 Jan 2002
A library allowing you to conveniently build a custom tokenizer and analyzer supporting precedence priorized rules
cxtpackagetut_win32vc.zip
cxTokenizer
cxTokenizer.dsp
cxTokenizer.plg
cxtPackage
cxtPackage.plg
cxtPackage.dsp
mathTok
mathTok.plg
mathTok.dsp
simpleCalc
simpleCalc.bmp
simpleCalc.dsp
simpleCalc.plg
tkCommon
cxAnalyzer
cxAnalyzer.dsp
cxAnalyzer.plg
COPYING
cpAbsd.dsw
cxtpackage_win32vc.zip
cxTokenizer.dsp
cxTokenizer.plg
Debug
cxAnalyzer.dsp
cxAnalyzer.plg
cxtPackage.plg
cxtPackage.dsp
COPYING
cpAbsd.dsw
grammaride.zip
stlport_vc645.dll
grammarIDE.exe
pkgcomplete.zip
cxTokenizerMatchTokenRule.inl
cxTokenizer.dsp
cxtPackage.dsp
emptyTestApp
emptyTestApp.clw
res
emptyTestApp.ico
emptyTestApp.dsp
grammarIDE
grammarIDE.clw
res
grammarIDEDoc.ico
icon1.ico
zoomable.ico
Toolbar.bmp
grammarIDE.ico
vssver.scc
grammarIDE.dsp
simpleCalc.bmp
simpleCalc.dsp
vssver.scc
cxaToken.inl
cxAnalyzer.dsp
COPYING
cpAbsd.dsw
pkgsrconly.zip
cxTokenizerMatchTokenRule.inl
cxTokenizer.dsp
cxtPackage.dsp
emptyTestApp.clw
emptyTestApp.ico
emptyTestApp.dsp
vssver.scc
cxaToken.inl
cxAnalyzer.dsp
COPYING
cpAbsd.dsw
// ltrItemTreeWnd.cpp : implementation file
//

#include "stdafx.h"
#include "grammarIDE.h"
#include "ltrItemTreeWnd.h"
#include "DlgProperties.h"

#define GET_X_LPARAM(lp)                        ((int)(short)LOWORD(lp))
#define GET_Y_LPARAM(lp)                        ((int)(short)HIWORD(lp))

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

/////////////////////////////////////////////////////////////////////////////
// CltrItemTreeWnd

CltrItemTreeWnd::CltrItemTreeWnd(cxtPackage *pPkg)
	{
	m_pltrTree = NULL;
	m_pltrContext = NULL;
	m_pltrHilite = NULL;

	m_nBaseWidth = 50;
	m_nBaseHeight = 25;
	m_nLRMargin = 25;
	m_nTBMargin = 25;
	m_nCenterOffsX = 0;
	m_nCenterOffsY = 0;
	m_icZoom = AfxGetApp()->LoadIcon(IDI_ZOOMABLE);
	m_icUnzoom = AfxGetApp()->LoadIcon(IDI_UNZOOMABLE);
	m_pPkg = pPkg;

	m_Font.CreatePointFont(90,_T("Verdana"),NULL);
	}

CltrItemTreeWnd::~CltrItemTreeWnd()
	{
	delete m_pltrTree;
	}


BEGIN_MESSAGE_MAP(CltrItemTreeWnd, CWnd)
	//{{AFX_MSG_MAP(CltrItemTreeWnd)
	ON_WM_PAINT()
	ON_WM_CREATE()
	ON_WM_SIZE()
	ON_WM_TIMER()
	ON_WM_HSCROLL()
	ON_WM_VSCROLL()
	ON_WM_ERASEBKGND()
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONUP()
	ON_WM_RBUTTONUP()
	ON_WM_INITMENUPOPUP()
	ON_COMMAND(ID_LTRCONTEXT_SHOWPROPERTIES, OnLtrcontextShowProps)
	ON_UPDATE_COMMAND_UI(ID_LTRCONTEXT_COLLAPSE, OnUpdateLtrcontextCollapseItem)
	ON_UPDATE_COMMAND_UI(ID_LTRCONTEXT_EXPAND, OnUpdateLtrcontextExpandItem)
	ON_COMMAND(ID_LTRCONTEXT_EXPAND, OnLtrcontextExpandItem)
	ON_COMMAND(ID_LTRCONTEXT_COLLAPSE, OnLtrcontextCollapseItem)
	ON_COMMAND(ID_LTRCONTEXT_SHOWRAWTOKENSTREAM, OnLtrcontextShowRawTokenStream)
	ON_UPDATE_COMMAND_UI(ID_LTRCONTEXT_SHOWPROPERTIES, OnUpdateLtrcontextShowProps)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

void CltrItemTreeWnd::SetTree(cltrItemBranch *pltrTree)
	{
	delete m_pltrTree;
	m_pltrHilite = NULL;
	m_pltrTree = pltrTree;
	m_mapItems.reset();
	RecalcViewLayout();
	Invalidate(TRUE);
	}

void CltrItemTreeWnd::CalculateDims(const cltrItemBranch& ltrBranch, int *pnWidth, int *pnHeight) const
	{
	cltrItemBranch::const_iterator it;
	int		nBaseHeight = (*pnHeight+1);
	int		nCurHeight = (*pnHeight+1);

	if(ltrBranch.empty())
		return;

	for(it=ltrBranch.begin();it!=ltrBranch.end();it++)
		{
		if( (*it)->fIsNode )
			(*pnWidth)++;
		else
			{
			if( ((cltrItemBranch*)*it)->fIsExpanded )
				{
				int nW=0, nH = nBaseHeight;
				CalculateDims( *((cltrItemBranch*)(*it)), &nW, &nH);
				(*pnWidth)+=nW;
				if(nH>=nCurHeight)
					nCurHeight=nH;
				}
			else
				(*pnWidth)++;
			}
		}

	if(nCurHeight>=(*pnHeight))
		(*pnHeight) = nCurHeight;
	}

void CltrItemTreeWnd::RecalcViewLayout()
	{
	if(m_pltrTree==NULL)
		return;

	int		nWidth=0, nHeight=0;
	CRect	rcClient;

	GetClientRect(&rcClient);
	CalculateDims(*m_pltrTree,&nWidth,&nHeight);
	nWidth	=(nWidth*m_nBaseWidth+2*m_nLRMargin)-rcClient.Width();
	nHeight	=(nHeight*m_nBaseHeight+2*m_nTBMargin)-rcClient.Height();

	if(nWidth<0)	{ m_nCenterOffsX = (-nWidth)/2; nWidth=0; } else m_nCenterOffsX=0;
	if(nHeight<0)	{ m_nCenterOffsY = (-nHeight)/2; nHeight=0; } else m_nCenterOffsY=0;

	SetScrollRange(SB_HORZ,0,nWidth,FALSE);
	SetScrollRange(SB_VERT,0,nHeight,FALSE);
	Invalidate(TRUE);
	}

int CltrItemTreeWnd::DrawBranch(CDC* pDC, bool fInsert, int nHilite, int nX, int nY, cltrItemBranch& ltrBranch)
	{
	cltrItemBranch::const_iterator it;
	eviewstatus vs = vs_visible;
	int		nPos = 0;
	if( (&ltrBranch) == m_pltrHilite )
		nHilite = 2;

	for(it=ltrBranch.begin();it!=ltrBranch.end();it++)
		{
		bool	fDrawBranch = false;
		int		nWidth = 1;

		if( !(*it)->fIsNode )
			if( ((cltrItemBranch*)(*it))->fIsExpanded )
				fDrawBranch = true;

		if(fDrawBranch)
			nWidth = DrawBranch(pDC,fInsert,(nHilite==2)?1:nHilite,nX+nPos,nY+1,*(cltrItemBranch*)(*it));

		if(vs==vs_top || vs==vs_bottom)
			{
			nPos += nWidth;
			continue;
			}

		vs = DrawItem(pDC,fInsert,(nHilite==2)?1:nHilite,nX+nPos,nY,(*it),nWidth);
		nPos += nWidth;
		}

	return nPos;
	}

COLORREF CltrItemTreeWnd::ColorSlide(COLORREF clr1, COLORREF clr2, int nNom, int nDenom) const
	{
	DWORD	dwR1, dwG1, dwB1;
	DWORD	dwR2, dwG2, dwB2;
	DWORD	dwR3, dwG3, dwB3;

	dwR1	=(clr1&0xffL);			dwR2=(clr2&0xffL);
	dwG1	=(clr1&0xff00L)>>8L;	dwG2=(clr2&0xff00L)>>8L;
	dwB1	=(clr1&0xff0000L)>>16L;	dwB2=(clr2&0xff0000L)>>16L;

	dwR3	=((dwR1*(nDenom-nNom))+(dwR2*nNom))/nDenom;
	dwG3	=((dwG1*(nDenom-nNom))+(dwG2*nNom))/nDenom;
	dwB3	=((dwB1*(nDenom-nNom))+(dwB2*nNom))/nDenom;

	return RGB(dwR3, dwG3, dwB3);
	}

void CltrItemTreeWnd::CalculateItemRect(int x, int y, int nWidth, CRect& rcBounds)
	{
	int		nHOffs = GetScrollPos(SB_HORZ);
	int		nVOffs = GetScrollPos(SB_VERT);
	rcBounds=
		CRect(
			-nHOffs+m_nLRMargin+m_nCenterOffsX+(x*m_nBaseWidth), 
			-nVOffs+m_nTBMargin+m_nCenterOffsY+(y*m_nBaseHeight), 
			-nHOffs+m_nLRMargin+m_nCenterOffsX+(x*m_nBaseWidth)+(nWidth*m_nBaseWidth)-5, 
			-nVOffs+m_nTBMargin+m_nCenterOffsY+(y*m_nBaseHeight)+m_nBaseHeight-5);
	}

CltrItemTreeWnd::eviewstatus CltrItemTreeWnd::DrawItem(CDC* pDC, bool fInsert, int nHilite, int nX, int nY, cltrItemNode* pltrItem, int nWidth)
	{
	CRect	rcClient;
	CRect	rcBounds;
	COLORREF clrBack = pltrItem->clrBackground;

	if( pltrItem == m_pltrHilite )
		nHilite = 2;

	CalculateItemRect(nX,nY,nWidth,rcBounds);
	GetClientRect(&rcClient);

	if(rcBounds.bottom<rcClient.top)
		return vs_top;
	if(rcBounds.top>rcClient.bottom)
		return vs_bottom;
	if(rcBounds.right<rcClient.left)
		return vs_side;
	if(rcBounds.left>rcClient.right)
		return vs_side;

	if(nHilite==2)
		clrBack = ColorSlide(clrBack,0xff8080L,2,3);
	if(nHilite==1)
		clrBack = ColorSlide(clrBack,0xff8080L,1,5);

	pDC->FillSolidRect(rcBounds,clrBack );
	pDC->Draw3dRect(rcBounds,pltrItem->clrForeground,pltrItem->clrForeground);
	pDC->SetBkMode(TRANSPARENT);
	pDC->DrawText(pltrItem->text.c_str(),pltrItem->text.length(),rcBounds,DT_CENTER|DT_VCENTER|DT_SINGLELINE);

	if(!pltrItem->fIsNode)
		{
		pDC->DrawIcon(rcBounds.left-3,rcBounds.bottom-6,
					  (((cltrItemBranch*)pltrItem)->fIsExpanded)?m_icZoom:m_icUnzoom);
		}

	if(fInsert)
		{
		int		i;
		pltrItem->nX = nX;
		pltrItem->nY = nY;
		pltrItem->nWidth = nWidth;
		for(i=0;i<nWidth;i++)
			m_mapItems.insert(nX+i,nY,pltrItem);
		}

	return vs_visible;
	}

void CltrItemTreeWnd::ScrollHandler(bool fHorz, UINT nSBCode, UINT nPos)
	{
	if(m_pltrTree==NULL)
		return;

	CRect	rcClient;
	INT		nMin, nMax, nCurPos, nPage, nOldPos, nDelta;
	GetClientRect(&rcClient);
	GetScrollRange(fHorz?SB_HORZ:SB_VERT,&nMin,&nMax);
	nCurPos	=GetScrollPos(fHorz?SB_HORZ:SB_VERT);
	nOldPos =nCurPos;
	nPage	=((fHorz?rcClient.Width():rcClient.Height())*3)/4;

	switch(nSBCode)
		{
		case SB_LINEUP:
			nCurPos -= 5;
			break;
		case SB_LINEDOWN:
			nCurPos += 5;
			break;
		case SB_PAGEUP:
			nCurPos -= nPage;
			break;
		case SB_PAGEDOWN:
			nCurPos += nPage;
			break;
		case SB_THUMBPOSITION:
		case SB_THUMBTRACK:
			nCurPos = nPos;
			break;
		case SB_TOP:
			nCurPos = 0;
			break;
		case SB_BOTTOM:
			nCurPos = nMax;
			break;
		default:
			break;
		}

	if(nCurPos<nMin) nCurPos = nMin;
	if(nCurPos>nMax) nCurPos = nMax;
	nDelta	=nOldPos-nCurPos;

	SetScrollPos(fHorz?SB_HORZ:SB_VERT,nCurPos,TRUE);
	ScrollWindow(fHorz?nDelta:0,(!fHorz)?nDelta:0);
	}

cltrItemNode* CltrItemTreeWnd::FindItemFromCoords(int px, int py)
	{
	int		nHScroll = GetScrollPos(SB_HORZ);
	int		nVScroll = GetScrollPos(SB_VERT);
	int		x = (px+nHScroll-m_nLRMargin-m_nCenterOffsX) / m_nBaseWidth;
	int		y = (py+nVScroll-m_nTBMargin-m_nCenterOffsY) / m_nBaseHeight;
	cltrItemNode *pltrItem = m_mapItems.find(x,y);
	if(pltrItem==NULL)
		return NULL;

	CRect rcBounds;
	CalculateItemRect(x,y,pltrItem->nWidth,rcBounds);
	if(rcBounds.PtInRect(CPoint(px,py)))
		return pltrItem;
	else
		return NULL;
	}

/////////////////////////////////////////////////////////////////////////////
// CltrItemTreeWnd message handlers

void CltrItemTreeWnd::OnPaint() 
	{
	CPaintDC dc(this); // device context for painting
	CGdiObject *pObj = dc.SelectObject(&m_Font);

	m_mapItems.reset();

	if(m_pltrTree!=NULL)
		DrawBranch(	&dc,true,0,0,0,*m_pltrTree);

	dc.SelectObject(pObj);
	}

BOOL CltrItemTreeWnd::OnEraseBkgnd(CDC* pDC)
	{
	CRect	rcClient;
	GetClientRect(&rcClient);

	pDC->FillSolidRect(rcClient,RGB(255,255,255));
	return TRUE;
	}

int CltrItemTreeWnd::OnCreate(LPCREATESTRUCT lpCreateStruct) 
	{
	if (CWnd::OnCreate(lpCreateStruct) == -1)
		return -1;

	// TODO: Add your specialized creation code here
	SetFont(&m_Font,TRUE);

	return 0;
	}

void CltrItemTreeWnd::OnSize(UINT nType, int cx, int cy)
	{
	KillTimer(ID_TIMER_RECALC);
	SetTimer(ID_TIMER_RECALC,75,NULL);
	CWnd::OnSize(nType,cx,cy);
	}

void CltrItemTreeWnd::OnTimer(UINT_PTR nIDEvent)
	{
	if(nIDEvent==ID_TIMER_RECALC)
		{
		RecalcViewLayout();
		KillTimer(nIDEvent);
		}
	
	CWnd::OnTimer(nIDEvent);
	}

void CltrItemTreeWnd::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar *pScrollBar)
	{
	ScrollHandler(true,nSBCode,nPos);
	}

void CltrItemTreeWnd::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar *pScrollBar)
	{
	ScrollHandler(false,nSBCode,nPos);
	}

void CltrItemTreeWnd::OnMouseMove(UINT nFlags, CPoint point)
	{
	if(m_pltrTree==NULL)
		return;

	cltrItemNode *pltrItem = FindItemFromCoords(point.x,point.y);
	cltrItemBranch *pltrItemB = (cltrItemBranch*)pltrItem;
	CClientDC dc(this);
	
	if(pltrItem==NULL || pltrItem->fIsNode)
		pltrItemB=NULL;
	
	if(m_pltrHilite!=pltrItem)
		{
		cltrItemNode *pltrTemp = m_pltrHilite;
		CGdiObject *pTemp = dc.SelectObject(&m_Font);
		if(pltrTemp!=NULL)
			{
			m_pltrHilite = NULL;
			DrawItem(&dc,false,0,pltrTemp->nX,pltrTemp->nY,pltrTemp,pltrTemp->nWidth);
			if(!pltrTemp->fIsNode && ((cltrItemBranch*)pltrTemp)->fIsExpanded)
				DrawBranch(&dc,false,0,pltrTemp->nX,pltrTemp->nY+1,*(cltrItemBranch*)pltrTemp);
			}
		
		//		1+2*(3+4)-(
		if(pltrItem!=NULL)
			{
			DrawItem(&dc,false,2,pltrItem->nX,pltrItem->nY,pltrItem,pltrItem->nWidth);
			
			if(!pltrItem->fIsNode && ((cltrItemBranch*)pltrItem)->fIsExpanded)
				DrawBranch(&dc,false,1,pltrItem->nX,pltrItem->nY+1,*(cltrItemBranch*)pltrItem);
			
			m_pltrHilite = pltrItem;
			}
		dc.SelectObject(pTemp);
		}
	}

void CltrItemTreeWnd::OnLButtonUp(UINT nFlags, CPoint point)
	{
	if(m_pltrTree==NULL)
		return;
	
	int		nHScroll = GetScrollPos(SB_HORZ);
	int		nVScroll = GetScrollPos(SB_VERT);
	int		x = (point.x+nHScroll-m_nLRMargin-m_nCenterOffsX) / m_nBaseWidth;
	int		y = (point.y+nVScroll-m_nTBMargin-m_nCenterOffsY) / m_nBaseHeight;
	cltrItemNode *pltrItem = m_mapItems.find(x,y);
	cltrItemBranch *pltrItemB = (cltrItemBranch*)pltrItem;
	CClientDC dc(this);
	CRect	  rcItem;
	
	if(pltrItem==NULL || pltrItem->fIsNode)
		pltrItemB=NULL;
	
	if(pltrItemB!=NULL)
		{
		CalculateItemRect(pltrItem->nX, pltrItem->nY, pltrItem->nWidth, rcItem);
		if(point.x<(rcItem.left+6) && point.y>=(rcItem.bottom-6))
			{
			pltrItemB->fIsExpanded = !pltrItemB->fIsExpanded;
			RecalcViewLayout();
			Invalidate(TRUE);
			}
		}
	}



void CltrItemTreeWnd::OnRButtonUp(UINT nFlags, CPoint point) 
	{
	// TODO: Add your message handler code here and/or call default
	cltrItemNode *pltrItem = FindItemFromCoords(point.x,point.y);
	
	m_pltrContext = pltrItem;

	CMenu	menuCtx, *pMenu;
	menuCtx.LoadMenu(IDR_CONTEXT);
	pMenu	=menuCtx.GetSubMenu(1);
	
	
	MapWindowPoints(NULL,&point,1);
	UINT	nCmd = pMenu->TrackPopupMenu(TPM_LEFTALIGN | TPM_RETURNCMD,point.x,point.y,this);
	if(nCmd!=0)
		{
		OnCommand(nCmd,0);
		}
	
	m_pltrContext = NULL;
	CWnd::OnRButtonUp(nFlags, point);
	}

void CltrItemTreeWnd::OnInitMenuPopup(CMenu* pMenu, UINT nIndex, BOOL bSysMenu) 
	{
	if (bSysMenu)
		return;     // don't support system menu
	
	ASSERT(pMenu != NULL);
	// check the enabled state of various menu items
	
	CCmdUI state;
	state.m_pMenu = pMenu;
	ASSERT(state.m_pOther == NULL);
	ASSERT(state.m_pParentMenu == NULL);
	
	// determine if menu is popup in top-level menu and set m_pOther to
	//  it if so (m_pParentMenu == NULL indicates that it is secondary popup)
	HMENU hParentMenu;
	if (AfxGetThreadState()->m_hTrackingMenu == pMenu->m_hMenu)
		state.m_pParentMenu = pMenu;    // parent == child for tracking popup
	else if ((hParentMenu = ::GetMenu(m_hWnd)) != NULL)
		{
		CWnd* pParent = GetTopLevelParent();
		// child windows don't have menus -- need to go to the top!
		if (pParent != NULL &&
			(hParentMenu = ::GetMenu(pParent->m_hWnd)) != NULL)
			{
			int nIndexMax = ::GetMenuItemCount(hParentMenu);
			for (int nIndex = 0; nIndex < nIndexMax; nIndex++)
				{
				if (::GetSubMenu(hParentMenu, nIndex) == pMenu->m_hMenu)
					{
					// when popup is found, m_pParentMenu is containing menu
					state.m_pParentMenu = CMenu::FromHandle(hParentMenu);
					break;
					}
				}
			}
		}
	
	state.m_nIndexMax = pMenu->GetMenuItemCount();
	for (state.m_nIndex = 0; state.m_nIndex < state.m_nIndexMax;
	state.m_nIndex++)
		{
		state.m_nID = pMenu->GetMenuItemID(state.m_nIndex);
		if (state.m_nID == 0)
			continue; // menu separator or invalid cmd - ignore it
		
		ASSERT(state.m_pOther == NULL);
		ASSERT(state.m_pMenu != NULL);
		if (state.m_nID == (UINT)-1)
			{
			// possibly a popup menu, route to first item of that popup
			state.m_pSubMenu = pMenu->GetSubMenu(state.m_nIndex);
			if (state.m_pSubMenu == NULL ||
				(state.m_nID = state.m_pSubMenu->GetMenuItemID(0)) == 0 ||
				state.m_nID == (UINT)-1)
				{
				continue;       // first item of popup can't be routed to
				}
			state.DoUpdate(this, FALSE);    // popups are never auto disabled
			}
		else
			{
			// normal menu item
			// Auto enable/disable if frame window has 'm_bAutoMenuEnable'
			//    set and command is _not_ a system command.
			state.m_pSubMenu = NULL;
			state.DoUpdate(this, TRUE && state.m_nID < 0xF000);
			}
		
		// adjust for menu deletions and additions
		UINT nCount = pMenu->GetMenuItemCount();
		if (nCount < state.m_nIndexMax)
			{
			state.m_nIndex -= (state.m_nIndexMax - nCount);
			while (state.m_nIndex < nCount &&
				pMenu->GetMenuItemID(state.m_nIndex) == state.m_nID)
				{
				state.m_nIndex++;
				}
			}
		state.m_nIndexMax = nCount;
		}
	}

void CltrItemTreeWnd::OnLtrcontextShowProps() 
	{
	if(m_pltrContext==NULL)
		return;

	CDlgProperties dlgProps(m_pPkg,m_pltrContext->papeElem);
	dlgProps.DoModal();
	}

void CltrItemTreeWnd::OnUpdateLtrcontextShowProps(CCmdUI* pCmdUI) 
	{
	if(m_pltrContext==NULL)
		{ pCmdUI->Enable(FALSE); return; }
	}

void CltrItemTreeWnd::OnUpdateLtrcontextCollapseItem(CCmdUI* pCmdUI) 
	{
	if(m_pltrContext==NULL)
		{ pCmdUI->Enable(FALSE); return; }

	if(!m_pltrContext->fIsNode)
		pCmdUI->Enable( ((cltrItemBranch*)m_pltrContext)->fIsExpanded );
	else
		pCmdUI->Enable(FALSE);
	}

void CltrItemTreeWnd::OnUpdateLtrcontextExpandItem(CCmdUI* pCmdUI) 
	{
	if(m_pltrContext==NULL)
		{ pCmdUI->Enable(FALSE); return; }

	if(!m_pltrContext->fIsNode)
		pCmdUI->Enable( !((cltrItemBranch*)m_pltrContext)->fIsExpanded );
	else
		pCmdUI->Enable(FALSE);
	}

void CltrItemTreeWnd::OnLtrcontextExpandItem() 
	{
	if(m_pltrContext==NULL)
		return;

	if(!m_pltrContext->fIsNode)
		{
		cltrItemBranch* pltrItemB = (cltrItemBranch*)m_pltrContext;
		if(!pltrItemB->fIsExpanded)
			{
			pltrItemB->fIsExpanded = true;
			Invalidate(TRUE);
			}
		}
	}

void CltrItemTreeWnd::OnLtrcontextCollapseItem() 
	{
	if(m_pltrContext==NULL)
		return;

	if(!m_pltrContext->fIsNode)
		{
		cltrItemBranch* pltrItemB = (cltrItemBranch*)m_pltrContext;
		if(pltrItemB->fIsExpanded)
			{
			pltrItemB->fIsExpanded = false;
			Invalidate(TRUE);
			}
		}
	}

void CltrItemTreeWnd::OnLtrcontextShowRawTokenStream() 
	{
	// TODO: Add your command handler code here
	CDlgProperties dlgProps(m_pPkg,m_pPkg->patsGetTokenStream());
	dlgProps.DoModal();
	}

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Alexander Berthold
Web Developer
Germany Germany
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