#include "StdAfx.h"

#include "Tracing.h"

static int _trace_level = -1;

void SetTracingLevel(int l)
{
	_trace_level = l;
}

void EnableTracing(BOOL on)
{
	SetTracingLevel(on ? 0xFFFF : -1);
}

BOOL TracingEnabled()
{
	return _trace_level >= 0;
}

BOOL Trace(int level, const char* fmt, ...)
{
    if (level > _trace_level)
		return FALSE;

	CFrameWnd* pFrame = (CFrameWnd*)AfxGetMainWnd();
	ASSERT(pFrame);
	CTreeView* pTreeView = (CTreeView*)pFrame->GetActiveView();
	ASSERT(pTreeView);
  CTreeCtrl& rTreeCtrl = pTreeView->GetTreeCtrl();

	char msg[256];
	va_list argptr;
	va_start(argptr,fmt);
	vsprintf(msg,fmt,argptr);
	va_end(argptr);

	HTREEITEM hItem = rTreeCtrl.InsertItem(msg);
	BOOL ok = hItem != NULL;

	return ok;
}