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//####COPYRIGHTBEGIN####

//                                                                          

// ----------------------------------------------------------------------------

// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.

//

// This program is part of the eCos host tools.

//

// This program is free software; you can redistribute it and/or modify it 

// under the terms of the GNU General Public License as published by the Free 

// Software Foundation; either version 2 of the License, or (at your option) 

// any later version.

// 

// This program is distributed in the hope that it will be useful, but WITHOUT 

// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 

// more details.

// 

// You should have received a copy of the GNU General Public License along with

// this program; if not, write to the Free Software Foundation, Inc., 

// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

//

// ----------------------------------------------------------------------------

//                                                                          

//####COPYRIGHTEND####

// PkgAdminDlg.cpp : implementation file

//

#include "stdafx.h"

#include "PkgAdmin.h"

#include "PkgAdminDlg.h"

#include "PkgAdminLicenseDlg.h"

#include "PkgAdminTclWaitDlg.h"

#ifdef _DEBUG

#define new DEBUG_NEW

#undef THIS_FILE

static char THIS_FILE[] = __FILE__;

#endif

/////////////////////////////////////////////////////////////////////////////

// CPkgadminAboutDlg dialog used for App About

class CPkgadminAboutDlg : public CDialog

{

public:

        CPkgadminAboutDlg();

// Dialog Data

        //{{AFX_DATA(CPkgadminAboutDlg)

        enum { IDD = IDD_PKGADMIN_ABOUTBOX };

        //}}AFX_DATA

        // ClassWizard generated virtual function overrides

        //{{AFX_VIRTUAL(CPkgadminAboutDlg)

        protected:

        virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support

        //}}AFX_VIRTUAL

// Implementation

protected:

        //{{AFX_MSG(CPkgadminAboutDlg)

        //}}AFX_MSG

        DECLARE_MESSAGE_MAP()

};

CPkgadminAboutDlg::CPkgadminAboutDlg() : CDialog(CPkgadminAboutDlg::IDD)

{

        //{{AFX_DATA_INIT(CPkgadminAboutDlg)

        //}}AFX_DATA_INIT

}

void CPkgadminAboutDlg::DoDataExchange(CDataExchange* pDX)

{

        CDialog::DoDataExchange(pDX);

        //{{AFX_DATA_MAP(CPkgadminAboutDlg)

        //}}AFX_DATA_MAP

}

BEGIN_MESSAGE_MAP(CPkgadminAboutDlg, CDialog)

        //{{AFX_MSG_MAP(CPkgadminAboutDlg)

                // No message handlers

        //}}AFX_MSG_MAP

END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////

// CPkgAdminDlg dialog

CPkgAdminDlg::CPkgAdminDlg(LPCTSTR pszRepository,LPCTSTR pszUserTools)

        : CeCosDialog(CPkgAdminDlg::IDD, NULL)

{

        //{{AFX_DATA_INIT(CPkgAdminDlg)

                // NOTE: the ClassWizard will add member initialization here

        //}}AFX_DATA_INIT

        // Note that LoadIcon does not require a subsequent DestroyIcon in Win32

  if(pszRepository){

          m_strRepository=pszRepository;

  }

  if(pszUserTools){

          m_strUserTools=pszUserTools;

  }

        m_CdlPkgData = NULL;

}

void CPkgAdminDlg::DoDataExchange(CDataExchange* pDX)

{

        CeCosDialog::DoDataExchange(pDX);

        //{{AFX_DATA_MAP(CPkgAdminDlg)

        DDX_Control(pDX, IDC_PKGADMIN_REMOVE, m_btnRemove);

        DDX_Control(pDX, IDC_PKGADMIN_TREE, m_ctrlPackageTree);

        //}}AFX_DATA_MAP

}

BEGIN_MESSAGE_MAP(CPkgAdminDlg, CeCosDialog)

        //{{AFX_MSG_MAP(CPkgAdminDlg)

        ON_WM_SYSCOMMAND()

        ON_WM_PAINT()

        ON_WM_QUERYDRAGICON()

        ON_BN_CLICKED(IDC_PKGADMIN_REMOVE, OnPkgadminRemove)

        ON_WM_DESTROY()

        ON_BN_CLICKED(IDC_PKGADMIN_ADD, OnPkgadminAdd)

        ON_BN_CLICKED(IDCLOSE, OnClose)

        ON_BN_CLICKED(IDC_PKGADMIN_REPOSITORY, OnPkgadminRepository)

        ON_NOTIFY(TVN_SELCHANGED, IDC_PKGADMIN_TREE, OnSelchangedPkgadminTree)

        //}}AFX_MSG_MAP

END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////

// CPkgAdminDlg message handlers

BOOL CPkgAdminDlg::OnInitDialog()

{

        CeCosDialog::OnInitDialog();

  if(this==AfxGetApp()->m_pMainWnd){ // only if the dialog is the application

          // Add "About..." menu item to system menu.

          // IDM_ABOUTBOX must be in the system command range.

          ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);

          ASSERT(IDM_ABOUTBOX < 0xF000);

          CMenu* pSysMenu = GetSystemMenu(FALSE);

          if (pSysMenu != NULL)

          {

                  CString strAboutMenu;

                  strAboutMenu.LoadString(IDS_ABOUTBOX);

                  if (!strAboutMenu.IsEmpty())

                  {

                          pSysMenu->AppendMenu(MF_SEPARATOR);

                          pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);

                  }

          }

        // Set the icon for this dialog.  The framework does this automatically

        //  when the application's main window is not a dialog

          SetIcon(m_hIcon, TRUE);                       // Set big icon

  // The following AppWizard-generated call was causing the 32x32 icon to

        //  be resized for use as a 16x16 icon. Removing the call causes the

        //  correct 16x16 icon to be displayed.

//      SetIcon(m_hIcon, FALSE);                // Set small icon

        // TODO: Add extra initialization here

        // setup the repsoitory location

          if (m_strRepository.IsEmpty()) // if the repository cannot be located

          {

                  OnPkgadminRepository (); // prompt the user for the repository location

                  if (m_strRepository.IsEmpty ())

                  {

                          PostMessage (WM_COMMAND,IDCANCEL);

                          return TRUE;

                  }

          }

  } else {

    GetDlgItem(IDC_PKGADMIN_REPOSITORY)->ShowWindow(SW_HIDE);

  }

        // setup the path to the user tools (tar and gunzip)

        if ((! m_strUserTools.IsEmpty()) || FindUserToolsPath ()) // if the user tools can be located

        {

                // add the user tools to the PATH environment variable

                const DWORD nLength = GetEnvironmentVariable (_T("PATH"), NULL, 0) + 1;

                TCHAR * pszOldPath  = new TCHAR [nLength];

                GetEnvironmentVariable (_T("PATH"), pszOldPath, nLength);

                SetEnvironmentVariable (_T("PATH"), CString (pszOldPath) + _T(";") + m_strUserTools);

                delete [] pszOldPath;

        }

        // setup the package tree image list

        m_ilTreeIcons.Create (IDB_PKGADMIN_TREEICONS, 16, 1, RGB (0,128,128));

        m_ctrlPackageTree.SetImageList (&m_ilTreeIcons, TVSIL_NORMAL);

        // populate the package tree

        while (! PopulatePackageTree (m_strRepository))

        {

                m_strRepository = _T("");

                OnPkgadminRepository (); // prompt the user for the repository location

                if (m_strRepository.IsEmpty ()) // if dialog was cancelled

                {

                        PostQuitMessage (1);

                        return TRUE;

                }

        }

        return TRUE;  // return TRUE  unless you set the focus to a control

}

void CPkgAdminDlg::OnSysCommand(UINT nID, LPARAM lParam)

{

        if ((nID & 0xFFF0) == IDM_ABOUTBOX)

        {

                CPkgadminAboutDlg dlgAbout;

                dlgAbout.DoModal();

        }

        else

        {

                CeCosDialog::OnSysCommand(nID, lParam);

        }

}

// If you add a minimize button to your dialog, you will need the code below

//  to draw the icon.  For MFC applications using the document/view model,

//  this is automatically done for you by the framework.

void CPkgAdminDlg::OnPaint()

{

        if (IsIconic())

        {

                CPaintDC dc(this); // device context for painting

                SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

                // Center icon in client rectangle

                int cxIcon = GetSystemMetrics(SM_CXICON);

                int cyIcon = GetSystemMetrics(SM_CYICON);

                CRect rect;

                GetClientRect(&rect);

                int x = (rect.Width() - cxIcon + 1) / 2;

                int y = (rect.Height() - cyIcon + 1) / 2;

                // Draw the icon

                dc.DrawIcon(x, y, m_hIcon);

        }

        else

        {

                CeCosDialog::OnPaint();

        }

}

// The system calls this to obtain the cursor to display while the user drags

//  the minimized window.

HCURSOR CPkgAdminDlg::OnQueryDragIcon()

{

        return (HCURSOR) m_hIcon;

}

// Trivial handlers; otherwise CdlPackagesDatabaseBody::make asserts.

void CdlErrorHandler (std::string message)

{

};

void CdlWarningHandler (std::string message)

{

};

bool CPkgAdminDlg::PopulatePackageTree(LPCTSTR pszPackagesPath)

{

        // delete any existing CDL database

        if (m_CdlPkgData)

        {

                delete m_CdlPkgData;

                m_CdlPkgData = NULL;

        }

        // load the package database

        try

        {

        // Cdl asserts unless the handlers are present.

#if 1

        m_CdlPkgData = CdlPackagesDatabaseBody::make (UnicodeToStdStr (pszPackagesPath), &CdlErrorHandler, &CdlWarningHandler);

#else

        m_CdlPkgData = CdlPackagesDatabaseBody::make (UnicodeToStdStr (pszPackagesPath));

#endif

        }

        catch (CdlStringException exception)

        {

                CString strMessage;

                strMessage.Format (_T("Error loading database:\n\n%s"), CString (exception.get_message ().c_str ()));

                AfxMessageBox (strMessage);

                return false;

        }

        catch (...)

        {

                AfxMessageBox (_T("Error loading database"));

                return false;

        }

        // clear the old package tree

        ClearPackageTree ();

        // populate the new package tree

        const std::vector<std::string>& packages = m_CdlPkgData->get_packages ();

        for (std::vector<std::string>::const_iterator package = packages.begin (); package != packages.end (); package++)

        {

                // add a package node

                TRACE (_T("Adding package %s:"), CString (package->c_str ()));

                HTREEITEM hPackage = m_ctrlPackageTree.InsertItem (CString (m_CdlPkgData->get_package_aliases (*package) [0].c_str ()));

                m_ctrlPackageTree.SetItemData (hPackage, (DWORD) new CString (package->c_str ()));

                m_ctrlPackageTree.SetItemImage (hPackage, 0, 0);

                const std::vector<std::string>& versions = m_CdlPkgData->get_package_versions (* package);

                for (std::vector<std::string>::const_iterator version = versions.begin (); version != versions.end (); version++)

                {

                        // add a version node

                        TRACE (_T(" %s"), CString (version->c_str ()));

                        const HTREEITEM hVersion = m_ctrlPackageTree.InsertItem (CString (version->c_str ()), hPackage);

                        m_ctrlPackageTree.SetItemImage (hVersion, 1, 1);

                }

                TRACE (_T("\n"));

                m_ctrlPackageTree.SortChildren (hPackage); // sort the version nodes

        }

        m_ctrlPackageTree.SortChildren (NULL); // sort the package nodes

  if(this==AfxGetApp()->m_pMainWnd){ // if the dialog is the application

          // update the caption bar

          CString strCaption (m_strRepository);

          strCaption.Replace (_TCHAR('/'), _TCHAR('\\'));

          strCaption += _T(" - eCos Package Administration Tool");

          SetWindowText (strCaption);

  }

        return true;

}

void CPkgAdminDlg::OnPkgadminRemove()

{

        const HTREEITEM hTreeItem = m_ctrlPackageTree.GetSelectedItem ();

        if (! hTreeItem)

                return;

        if (IDYES != CWnd::MessageBox (_T("The selected package will be deleted from the repository. Core eCos packages may be restored only by reinstalling eCos.\n\nDo you wish to continue?"),

                _T("Remove Package"), MB_YESNO | MB_ICONEXCLAMATION))

                return;

        const CString * pstrPackage = (const CString *) m_ctrlPackageTree.GetItemData (hTreeItem);

        if (pstrPackage) // if a package node is selected

        {

                // remove all package version nodes

                bool bStatus = true;

                HTREEITEM hChildItem = m_ctrlPackageTree.GetChildItem (hTreeItem);

                while (hChildItem && bStatus)

                {

                        const HTREEITEM hNextChildItem = m_ctrlPackageTree.GetNextSiblingItem (hChildItem);

                        bStatus = RemovePackageVersion (hChildItem);

                        hChildItem = hNextChildItem;

                }

                // remove the package node

                if (bStatus)

                {

                        delete pstrPackage;

                        m_ctrlPackageTree.DeleteItem (hTreeItem);

                }

        }

        else // a version node is selected

        {

                // remove the version node

                const HTREEITEM hParentItem = m_ctrlPackageTree.GetParentItem (hTreeItem);

                ASSERT (hParentItem);

                if (RemovePackageVersion (hTreeItem) && ! m_ctrlPackageTree.ItemHasChildren (hParentItem)) // if the only version was deleted

                {

                        // remove the package node

                        delete pstrPackage;

                        m_ctrlPackageTree.DeleteItem (hParentItem);

                }

        }

}

void CPkgAdminDlg::ClearPackageTree()

{

        HTREEITEM hPackage = m_ctrlPackageTree.GetRootItem ();

        if (! hPackage) // if no packages in the tree...

                return;     // ...nothing to do

        while (hPackage)

        {

                const HTREEITEM hNextPackage = m_ctrlPackageTree.GetNextSiblingItem (hPackage);

                TRACE (_T("Deleting package %s\n"), * ((CString *) m_ctrlPackageTree.GetItemData (hPackage)));

                delete (CString *) m_ctrlPackageTree.GetItemData (hPackage);

                m_ctrlPackageTree.DeleteItem (hPackage);

                hPackage = hNextPackage;

        }

}

void CPkgAdminDlg::OnDestroy()

{

        CeCosDialog::OnDestroy();

        // free memory allocated to the tree item data CStrings

        ClearPackageTree ();

        // free memory allocated to the CDL database

        if (m_CdlPkgData)

                delete m_CdlPkgData;

}

void CPkgAdminDlg::OnPkgadminAdd()

{

        CFileDialog dlg (TRUE, NULL, NULL, OFN_HIDEREADONLY | OFN_FILEMUSTEXIST | OFN_ALLOWMULTISELECT, _T("eCos Package Files (*.epk)|*.epk||"), GetParent ());

        TCHAR szBuffer [MAX_PATH * 16] = _T("");

        dlg.m_ofn.lpstrFile = szBuffer;

        dlg.m_ofn.nMaxFile = MAX_PATH * 16;

        dlg.m_ofn.lpstrTitle = _T("Open eCos Package Files");

        if (IDOK == dlg.DoModal ())

        {

                bool bRepositoryChanged = false;

                POSITION posPathName = dlg.GetStartPosition ();

                while (posPathName)

                {

                        // get an eCos package distribution file

                        CString strPathName = dlg.GetNextPathName (posPathName);

                        // extract the licence file

                        CString strCommand;

                        strCommand.Format (_T("add %s --extract_license"), strPathName);

                        strCommand.Replace (_TCHAR('\\'), _TCHAR('/')); // backslashes -> forward slashes for Tcl_EvalFile

                        EvalTclFile (3, strCommand);

                        CString strLicenseFile = m_strRepository + _T("/pkgadd.txt");

                        strLicenseFile.Replace (_TCHAR('/'), _TCHAR('\\')); // forward slashes -> backslashes for Win32

                        // read the license file

                        CFile fileLicenseFile;

                        if (fileLicenseFile.Open (strLicenseFile, CFile::modeRead))

                        {

                                TRACE (_T("License file found at %s\n"), strLicenseFile);

                                const DWORD dwLicenseLength = fileLicenseFile.GetLength ();

                                char * pszBuffer = new char [dwLicenseLength + 1]; // allocate a buffer

                                fileLicenseFile.Read (pszBuffer, dwLicenseLength);

                                fileLicenseFile.Close ();

                                CFile::Remove (strLicenseFile); // delete the license file when read

                                pszBuffer [dwLicenseLength] = NULL; // terminate the string in the buffer

                                CString strLicenseText (pszBuffer); // copy into a CString to convert to Unicode

                                delete [] pszBuffer;

                                if (-1 == strLicenseText.Find (_T("\r\n"))) // if the file has LF line endings...

                                        strLicenseText.Replace (_T("\n"), _T("\r\n")); // ... replace with CRLF line endings

                                // display the license text

                                CPkgAdminLicenseDlg dlgLicense (this);

                                dlgLicense.m_strLicense = strLicenseText;

                                dlgLicense.SetCaption (strPathName + _T(" - Add Packages"));

                                if (IDOK != dlgLicense.DoModal ()) // if license not accepted by user

                                        continue; // try the next file

                        }

                        // add the contents of the package distribution file

                        strCommand.Format (_T("add %s --accept_license"), strPathName);

                        strCommand.Replace (_TCHAR('\\'), _TCHAR('/')); // backslashes -> forward slashes for Tcl_EvalFile

                        if (! EvalTclFile (3, strCommand))  // if not successful

                                continue; // try the next file

                        bRepositoryChanged = true;

                }

                // refresh the package tree only if necessary

                if (bRepositoryChanged && ! PopulatePackageTree (m_strRepository))

                        DestroyWindow ();

        }

}

bool CPkgAdminDlg::EvalTclFile(int nArgc, LPCTSTR pszArgv)

{

        CPkgAdminTclWaitDlg dlgWait;

        TRACE (_T("Evaluating ecosadmin.tcl %s\n"), pszArgv);

        // set up the data structure which is passed to the Tcl thread

        CString strArgc;

        strArgc.Format (_T("%d"), nArgc);

        std::string argv0 = UnicodeToStdStr (m_strRepository) + "/ecosadmin.tcl";

        std::string argv = UnicodeToStdStr (pszArgv);

        std::string argc = UnicodeToStdStr (strArgc);

        dlgWait.etsInfo.argv0 = (char *) argv0.c_str ();

        dlgWait.etsInfo.argv = (char *) argv.c_str ();

        dlgWait.etsInfo.argc = (char *) argc.c_str ();

        // display the 'please wait' dialog

        // the Tcl command is invoked from CPkgAdminTclWaitDlg::OnCreate()

        CWaitCursor curWait;

        dlgWait.DoModal ();

        curWait.Restore ();

        // retrieve status information from the data structure

        int nStatus = dlgWait.etsInfo.status;

        CString strErrorMessage (dlgWait.etsInfo.result);

        // report any error

        if (! strErrorMessage.IsEmpty ())

        {

                AfxMessageBox (_T("Command execution error:\n\n") + strErrorMessage);

                return false;

        }

        else if (TCL_OK != nStatus)

        {

                AfxMessageBox (_T("Command execution error"));

                return false;

        }

        return true;

}

bool CPkgAdminDlg::RemovePackageVersion(HTREEITEM hTreeItem)

{

        const HTREEITEM hParentItem = m_ctrlPackageTree.GetParentItem (hTreeItem);

        ASSERT (hParentItem);

        CString * pstrPackage = (CString *) m_ctrlPackageTree.GetItemData (hParentItem);

        ASSERT (pstrPackage);

        CString strCommand;

        strCommand.Format (_T("remove %s --version %s"), * pstrPackage, m_ctrlPackageTree.GetItemText (hTreeItem));

        if (! EvalTclFile (3, strCommand)) // if not successful

                return false;

        m_ctrlPackageTree.DeleteItem (hTreeItem); // remove the selected item from the tree

        return true;

}

void CPkgAdminDlg::OnPkgadminRepository()

{

        CFileDialog dlg (TRUE, NULL, NULL, OFN_HIDEREADONLY | OFN_FILEMUSTEXIST, _T("eCos Package Database Files (ecos.db)|ecos.db||"), GetParent ());

        dlg.m_ofn.lpstrTitle = _T("Open eCos Package Database File");

        int nStatus;

        do

        {

                nStatus = dlg.DoModal ();

                if (IDOK == nStatus)

                {

                        const CString strPathName = dlg.GetPathName ();

                        const int nPathNameIndex = strPathName.ReverseFind (_TCHAR('\\'));

                        ASSERT (nPathNameIndex != -1);

                        m_strRepository = strPathName.Mid (0, nPathNameIndex);

                        m_strRepository.Replace (_TCHAR('\\'), _TCHAR('/'));

                }

        }

        while ((IDOK == nStatus) && ! PopulatePackageTree (m_strRepository));

}

void CPkgAdminDlg::OnSelchangedPkgadminTree(NMHDR*, LRESULT* pResult)

{

        //NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;

        // enable the remove button only if a node is selected

        m_btnRemove.EnableWindow (NULL != m_ctrlPackageTree.GetSelectedItem ());

        *pResult = 0;

}

std::string CPkgAdminDlg::UnicodeToStdStr(LPCTSTR str)

{

        int nLength = 1 + _tcslen (str);

        char * pszString = new char [nLength];

        #ifdef _UNICODE

        WideCharToMultiByte (CP_ACP, 0, str, -1, pszString, nLength, NULL, NULL);

        #else

        strcpy (pszString, str);

        #endif

        std::string stdstr = std::string (pszString);

        delete [] pszString;

        return stdstr;

}

bool CPkgAdminDlg::FindUserToolsPath()

{

        HKEY hKey;

        if (ERROR_SUCCESS != RegOpenKeyEx (HKEY_CURRENT_USER, _T("Software\\Red Hat\\eCos\\Configuration Tool\\User Tools"), 0, KEY_READ, &hKey))

                return false;

        TCHAR szBuffer [MAX_PATH + 1];

        DWORD dwBufferLength = MAX_PATH + 1;

        LONG lStatus = RegQueryValueEx (hKey, _T("Folder"), NULL, NULL, (LPBYTE) szBuffer, &dwBufferLength);

        RegCloseKey (hKey);

        if (ERROR_SUCCESS != lStatus)

                return false;

        m_strUserTools = szBuffer;

        TRACE (_T("User tools found at %s\n"), m_strUserTools);

        return ! m_strUserTools.IsEmpty ();

}