windows-xp/Source/XPSP1/NT/shell/tools/extwiz/chooser.cpp

// chooser.cpp : Implements the CDialogChooser class
//

#include "stdafx.h"
#include "resource.h"
#include "ExtAw.h"
#include "chooser.h"
#include "extdlg.h"
#include "shextdlg.h"

#ifdef _PSEUDO_DEBUG
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

// On construction, set up internal array with pointers to each step.
CDialogChooser::CDialogChooser()
{
	m_pDlgs[0] = NULL;

	m_pDlgs[1] = new ExtensionChoice;

	m_pDlgs[2] = new ShellExtensions;

	m_nCurrDlg = 0;
}
// Remember where the custom steps begin, so we can delete them in
//  the destructor
#define FIRST_CUSTOM_STEP 2
#define LAST_CUSTOM_STEP 2

// The destructor deletes entries in the internal array corresponding to
//  custom steps.
CDialogChooser::~CDialogChooser()
{
	// NOTE: Be sure to delete all of your custom steps here, but don't delete
	//  any standard AppWizard steps you got through the GetDialog API.
	for (int i = FIRST_CUSTOM_STEP; i <= LAST_CUSTOM_STEP; i++)
	{
		ASSERT(m_pDlgs[i] != NULL);
		delete m_pDlgs[i];
	}
}

// Use the internal array to determine the next step.
CAppWizStepDlg* CDialogChooser::Next(CAppWizStepDlg* pDlg)
{
	ASSERT(0 <= m_nCurrDlg && m_nCurrDlg < LAST_DLG);
	ASSERT(pDlg == m_pDlgs[m_nCurrDlg]);

	m_nCurrDlg++;
	return m_pDlgs[m_nCurrDlg];
}

// Use the internal array to determine the previous step.
CAppWizStepDlg* CDialogChooser::Back(CAppWizStepDlg* pDlg)
{
	ASSERT(1 <= m_nCurrDlg && m_nCurrDlg <= LAST_DLG);
	ASSERT(pDlg == m_pDlgs[m_nCurrDlg]);

	m_nCurrDlg--;
	return m_pDlgs[m_nCurrDlg];
}