src/generic/dirctrlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dirctrlg.cpp
   3 // Purpose:     wxGenericDirCtrl
   4 // Author:      Harm van der Heijden, Robert Roebling, Julian Smart
   5 // Modified by:
   6 // Created:     12/12/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Harm van der Heijden, Robert Roebling and Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dirctrlg.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #if wxUSE_DIRDLG
  24
  25 #include "wx/utils.h"
  26 #include "wx/dialog.h"
  27 #include "wx/button.h"
  28 #include "wx/layout.h"
  29 #include "wx/msgdlg.h"
  30 #include "wx/textdlg.h"
  31 #include "wx/filefn.h"
  32 #include "wx/cmndata.h"
  33 #include "wx/gdicmn.h"
  34 #include "wx/intl.h"
  35 #include "wx/imaglist.h"
  36 #include "wx/icon.h"
  37 #include "wx/log.h"
  38 #include "wx/sizer.h"
  39 #include "wx/tokenzr.h"
  40 #include "wx/dir.h"
  41 #include "wx/settings.h"
  42
  43 #if wxUSE_STATLINE
  44     #include "wx/statline.h"
  45 #endif
  46
  47 #include "wx/generic/dirctrlg.h"
  48
  49 #ifdef __WXMSW__
  50 #include <windows.h>
  51
  52 #ifndef __GNUWIN32__
  53 #include <direct.h>
  54 #include <stdlib.h>
  55 #include <ctype.h>
  56 #endif
  57
  58 #endif
  59
  60 #ifdef __WXPM__
  61
  62 #define INCL_BASE
  63 #include <os2.h>
  64 #include <direct.h>
  65 #include <stdlib.h>
  66 #include <ctype.h>
  67
  68 #endif // __WXPM__
  69
  70 #if defined(__WXMAC__) && !defined(__UNIX__)
  71 #include "moreextr.h"
  72 #endif
  73
  74 #ifdef __BORLANDC__
  75 #include "dos.h"
  76 #endif
  77
  78 // If compiled under Windows, this macro can cause problems
  79 #ifdef GetFirstChild
  80 #undef GetFirstChild
  81 #endif
  82
  83 /* Closed folder */
  84 static char * icon1_xpm[] = {
  85 /* width height ncolors chars_per_pixel */
  86 "16 16 6 1",
  87 /* colors */
  88 "   s None  c None",
  89 ".  c #000000",
  90 "+  c #c0c0c0",
  91 "@  c #808080",
  92 "#  c #ffff00",
  93 "$  c #ffffff",
  94 /* pixels */
  95 "                ",
  96 "   @@@@@        ",
  97 "  @#+#+#@       ",
  98 " @#+#+#+#@@@@@@ ",
  99 " @$$$$$$$$$$$$@.",
 100 " @$#+#+#+#+#+#@.",
 101 " @$+#+#+#+#+#+@.",
 102 " @$#+#+#+#+#+#@.",
 103 " @$+#+#+#+#+#+@.",
 104 " @$#+#+#+#+#+#@.",
 105 " @$+#+#+#+#+#+@.",
 106 " @$#+#+#+#+#+#@.",
 107 " @@@@@@@@@@@@@@.",
 108 "  ..............",
 109 "                ",
 110 "                "};
 111
 112 /* Open folder */
 113 static char * icon2_xpm[] = {
 114 /* width height ncolors chars_per_pixel */
 115 "16 16 6 1",
 116 /* colors */
 117 "   s None  c None",
 118 ".  c #000000",
 119 "+  c #c0c0c0",
 120 "@  c #808080",
 121 "#  c #ffff00",
 122 "$  c #ffffff",
 123 /* pixels */
 124 "                ",
 125 "   @@@@@        ",
 126 "  @$$$$$@       ",
 127 " @$#+#+#$@@@@@@ ",
 128 " @$+#+#+$$$$$$@.",
 129 " @$#+#+#+#+#+#@.",
 130 "@@@@@@@@@@@@@#@.",
 131 "@$$$$$$$$$$@@+@.",
 132 "@$#+#+#+#+##.@@.",
 133 " @$#+#+#+#+#+.@.",
 134 " @$+#+#+#+#+#.@.",
 135 "  @$+#+#+#+##@..",
 136 "  @@@@@@@@@@@@@.",
 137 "   .............",
 138 "                ",
 139 "                "};
 140
 141 /* File */
 142 static char * icon3_xpm[] = {
 143 /* width height ncolors chars_per_pixel */
 144 "16 16 3 1",
 145 /* colors */
 146 "     s None    c None",
 147 ".    c #000000",
 148 "+    c #ffffff",
 149 /* pixels */
 150 "                ",
 151 "  ........      ",
 152 "  .++++++..     ",
 153 "  .+.+.++.+.    ",
 154 "  .++++++....   ",
 155 "  .+.+.+++++.   ",
 156 "  .+++++++++.   ",
 157 "  .+.+.+.+.+.   ",
 158 "  .+++++++++.   ",
 159 "  .+.+.+.+.+.   ",
 160 "  .+++++++++.   ",
 161 "  .+.+.+.+.+.   ",
 162 "  .+++++++++.   ",
 163 "  ...........   ",
 164 "                ",
 165 "                "};
 166
 167 /* Computer */
 168 static char * icon4_xpm[] = {
 169 "16 16 7 1",
 170 "     s None    c None",
 171 ".    c #808080",
 172 "X    c #c0c0c0",
 173 "o    c Black",
 174 "O    c Gray100",
 175 "+    c #008080",
 176 "@    c Blue",
 177 "    ........... ",
 178 "   .XXXXXXXXXX.o",
 179 "   .OOOOOOOOO..o",
 180 "   .OoooooooX..o",
 181 "   .Oo+...@+X..o",
 182 "   .Oo+XXX.+X..o",
 183 "   .Oo+....+X..o",
 184 "   .Oo++++++X..o",
 185 "   .OXXXXXXXX.oo",
 186 "   ..........o.o",
 187 "   ...........Xo",
 188 "   .XXXXXXXXXX.o",
 189 "  .o.o.o.o.o...o",
 190 " .oXoXoXoXoXo.o ",
 191 ".XOXXXXXXXXX.o  ",
 192 "............o   "};
 193
 194 /* Drive */
 195 static char * icon5_xpm[] = {
 196 "16 16 7 1",
 197 "     s None    c None",
 198 ".    c #808080",
 199 "X    c #c0c0c0",
 200 "o    c Black",
 201 "O    c Gray100",
 202 "+    c Green",
 203 "@    c #008000",
 204 "                ",
 205 "                ",
 206 "                ",
 207 "                ",
 208 "  ............. ",
 209 " .XXXXXXXXXXXX.o",
 210 ".OOOOOOOOOOOO..o",
 211 ".XXXXXXXXX+@X..o",
 212 ".XXXXXXXXXXXX..o",
 213 ".X..........X..o",
 214 ".XOOOOOOOOOOX..o",
 215 "..............o ",
 216 " ooooooooooooo  ",
 217 "                ",
 218 "                ",
 219 "                "};
 220
 221 /* CD-ROM */
 222 static char *icon6_xpm[] = {
 223 "16 16 10 1",
 224 "     s None    c None",
 225 ".    c #808080",
 226 "X    c #c0c0c0",
 227 "o    c Yellow",
 228 "O    c Blue",
 229 "+    c Black",
 230 "@    c Gray100",
 231 "#    c #008080",
 232 "$    c Green",
 233 "%    c #008000",
 234 "        ...     ",
 235 "      ..XoX..   ",
 236 "     .O.XoXXX+  ",
 237 "    ...O.oXXXX+ ",
 238 "    .O..X.XXXX+ ",
 239 "   ....X.+..XXX+",
 240 "   .XXX.+@+.XXX+",
 241 "   .X@XX.+.X@@X+",
 242 " .....X...#XX@+ ",
 243 ".@@@...XXo.O@X+ ",
 244 ".@XXX..XXoXOO+  ",
 245 ".@++++..XoX+++  ",
 246 ".@$%@@XX+++X.+  ",
 247 ".............+  ",
 248 " ++++++++++++   ",
 249 "                "};
 250
 251 /* Floppy */
 252 static char * icon7_xpm[] = {
 253 "16 16 7 1",
 254 "     s None    c None",
 255 ".    c #808080",
 256 "X    c Gray100",
 257 "o    c #c0c0c0",
 258 "O    c Black",
 259 "+    c Cyan",
 260 "@    c Red",
 261 "         ......X",
 262 "        .ooooooO",
 263 "        .+++++OO",
 264 "        .++++++O",
 265 "        .++++++O",
 266 "        .ooooooO",
 267 "  .......o....oO",
 268 " .oooooo.o.O.XoO",
 269 ".XXXXXXXXOOOOOO ",
 270 ".ooooooooo@o..O ",
 271 ".ooo....oooo..O ",
 272 ".o..OOOO...o..O ",
 273 ".oooXXXXoooo..O ",
 274 ".............O  ",
 275 " OOOOOOOOOOOO   ",
 276 "                "};
 277
 278 /* Removeable */
 279 static char * icon8_xpm[] = {
 280 "16 16 7 1",
 281 "     s None    c None",
 282 ".    c #808080",
 283 "X    c #c0c0c0",
 284 "o    c Black",
 285 "O    c Gray100",
 286 "+    c Red",
 287 "@    c #800000",
 288 "                ",
 289 "                ",
 290 "                ",
 291 "  ............. ",
 292 " .XXXXXXXXXXXX.o",
 293 ".OOOOOOOOOOOO..o",
 294 ".OXXXXXXXXXXX..o",
 295 ".O+@.oooooo.X..o",
 296 ".OXXOooooooOX..o",
 297 ".OXXXOOOOOOXX..o",
 298 ".OXXXXXXXXXXX..o",
 299 ".O............o ",
 300 " ooooooooooooo  ",
 301 "                ",
 302 "                ",
 303 "                "};
 304
 305 static const int ID_DIRCTRL = 1000;
 306 static const int ID_TEXTCTRL = 1001;
 307 static const int ID_OK = 1002;
 308 static const int ID_CANCEL = 1003;
 309 static const int ID_NEW = 1004;
 310 //static const int ID_CHECK = 1005;
 311
 312 #if defined(__WXMSW__) || defined(__WXPM__)
 313 int setdrive(int drive)
 314 {
 315         wxChar  newdrive[3];
 316
 317         if (drive < 1 || drive > 31)
 318                 return -1;
 319         newdrive[0] = (wxChar)(wxT('A') + drive - 1);
 320         newdrive[1] = wxT(':');
 321         newdrive[2] = wxT('\0');
 322 #if defined(__WXMSW__)
 323 #ifdef __WIN16__
 324     if (wxSetWorkingDirectory(newdrive))
 325 #else
 326         if (::SetCurrentDirectory(newdrive))
 327 #endif
 328 #else
 329     // VA doesn't know what LPSTR is and has its own set
 330         if (DosSetCurrentDir((PSZ)newdrive))
 331 #endif
 332                 return 0;
 333         else
 334                 return -1;
 335 }
 336
 337 static bool wxIsDriveAvailable(const wxString dirName)
 338 {
 339 #ifdef __WIN32__
 340     UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
 341 #endif
 342     bool success = TRUE;
 343
 344     // Check if this is a root directory and if so,
 345     // whether the drive is avaiable.
 346     if (dirName.Len() == 3 && dirName[(size_t)1] == wxT(':'))
 347     {
 348         wxString dirNameLower(dirName.Lower());
 349 #if defined(__GNUWIN32__)
 350         success = wxPathExists(dirNameLower);
 351 #else
 352         int currentDrive = _getdrive();
 353         int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
 354         int err = setdrive( thisDrive ) ;
 355         setdrive( currentDrive );
 356
 357         if (err == -1)
 358         {
 359             success = FALSE;
 360         }
 361 #endif
 362     }
 363 #ifdef __WIN32__
 364     (void) SetErrorMode(errorMode);
 365 #endif
 366
 367     return success;
 368 }
 369 #endif
 370
 371 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
 372 // and sort regardless of case.
 373 static int LINKAGEMODE wxDirCtrlStringCompareFunction(const void *first, const void *second)
 374 {
 375     wxString *strFirst = (wxString *)first;
 376     wxString *strSecond = (wxString *)second;
 377
 378     return strFirst->CmpNoCase(*strSecond);
 379 }
 380
 381 //-----------------------------------------------------------------------------
 382 // wxDirItemDataEx
 383 //-----------------------------------------------------------------------------
 384
 385 wxDirItemDataEx::wxDirItemDataEx(const wxString& path, const wxString& name,
 386                                  bool isDir)
 387 {
 388     m_path = path;
 389     m_name = name;
 390     /* Insert logic to detect hidden files here
 391      * In UnixLand we just check whether the first char is a dot
 392      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 393     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 394     m_isHidden = FALSE;
 395     // m_hasSubDirs is no longer needed
 396     m_hasSubDirs = TRUE; // HasSubDirs();
 397     m_isExpanded = FALSE;
 398     m_isDir = isDir;
 399 }
 400
 401 wxDirItemDataEx::~wxDirItemDataEx()
 402 {
 403 }
 404
 405 void wxDirItemDataEx::SetNewDirName( wxString path )
 406 {
 407     m_path = path;
 408     m_name = wxFileNameFromPath( path );
 409 }
 410
 411 //-----------------------------------------------------------------------------
 412 // wxGenericDirCtrl
 413 //-----------------------------------------------------------------------------
 414
 415 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 416
 417 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 418   EVT_TREE_ITEM_EXPANDING     (-1, wxGenericDirCtrl::OnExpandItem)
 419   EVT_TREE_ITEM_COLLAPSED     (-1, wxGenericDirCtrl::OnCollapseItem)
 420   EVT_TREE_BEGIN_LABEL_EDIT   (-1, wxGenericDirCtrl::OnBeginEditItem)
 421   EVT_TREE_END_LABEL_EDIT     (-1, wxGenericDirCtrl::OnEndEditItem)
 422   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 423 END_EVENT_TABLE()
 424
 425 wxGenericDirCtrl::wxGenericDirCtrl(void)
 426 {
 427     Init();
 428 }
 429
 430 bool wxGenericDirCtrl::Create(wxWindow *parent,
 431                      const wxWindowID id,
 432                      const wxString& dir,
 433                      const wxPoint& pos,
 434                      const wxSize& size,
 435                      long style,
 436                      const wxString& filter,
 437                      int defaultFilter,
 438                      const wxString& name )
 439 {
 440     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 441         return FALSE;
 442
 443     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
 444
 445     Init();
 446
 447     long treeStyle = wxTR_HAS_BUTTONS ; // | wxTR_EDIT_LABELS;
 448     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 449         treeStyle |= wxNO_BORDER;
 450
 451     long filterStyle = 0;
 452     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 453         filterStyle |= wxNO_BORDER;
 454
 455     m_treeCtrl = new wxTreeCtrl(this, wxID_TREECTRL, pos, size, treeStyle);
 456
 457     if (!filter.IsEmpty() && (style & wxDIRCTRL_SHOW_FILTERS))
 458         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
 459
 460     m_defaultPath = dir;
 461     m_filter = filter;
 462
 463     SetFilterIndex(defaultFilter);
 464
 465     if (m_filterListCtrl)
 466         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 467
 468     m_imageList = new wxImageList(16, 16, TRUE);
 469     m_imageList->Add(wxIcon(icon1_xpm));
 470     m_imageList->Add(wxIcon(icon2_xpm));
 471     m_imageList->Add(wxIcon(icon3_xpm));
 472     m_imageList->Add(wxIcon(icon4_xpm));
 473     m_imageList->Add(wxIcon(icon5_xpm));
 474     m_imageList->Add(wxIcon(icon6_xpm));
 475     m_imageList->Add(wxIcon(icon7_xpm));
 476     m_imageList->Add(wxIcon(icon8_xpm));
 477     m_treeCtrl->SetImageList(m_imageList);
 478
 479     m_showHidden = FALSE;
 480     wxDirItemDataEx* rootData = new wxDirItemDataEx(wxT(""), wxT(""), TRUE);
 481
 482     wxString rootName;
 483
 484 #if defined(__WXMSW__) || defined(__WXPM__)
 485     rootName = _("Computer");
 486 #else
 487     rootName = _("Sections");
 488 #endif
 489
 490     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 491     m_treeCtrl->SetItemHasChildren(m_rootId);
 492     m_treeCtrl->Expand(m_rootId); // automatically expand first level
 493
 494     // Expand and select the default path
 495     if (!m_defaultPath.IsEmpty())
 496         ExpandPath(m_defaultPath);
 497
 498     DoResize();
 499
 500     return TRUE;
 501 }
 502
 503 wxGenericDirCtrl::~wxGenericDirCtrl()
 504 {
 505    m_treeCtrl->SetImageList(NULL);
 506    delete m_imageList;
 507 }
 508
 509 void wxGenericDirCtrl::Init()
 510 {
 511     m_showHidden = FALSE;
 512     m_imageList = NULL;
 513     m_currentFilter = 0;
 514     m_currentFilterStr = wxEmptyString; // Default: any file
 515     m_treeCtrl = NULL;
 516     m_filterListCtrl = NULL;
 517 }
 518
 519 void wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 520 {
 521     wxDirItemDataEx *dir_item = new wxDirItemDataEx(path,name,TRUE);
 522
 523 #if defined(__WXMSW__) || defined(__WXPM__)
 524     // Windows and OS/2: sections are displayed as drives
 525     wxTreeItemId id = m_treeCtrl->AppendItem( m_rootId, name, imageId, -1, dir_item);
 526 #else
 527     // Unix: sections are displayed as folders
 528     wxTreeItemId id = m_treeCtrl->AppendItem( m_rootId, name, 0, -1, dir_item);
 529     m_treeCtrl->SetItemImage( id, 1, wxTreeItemIcon_Expanded );
 530 #endif
 531     // TODO: other operating systems.
 532
 533     m_treeCtrl->SetItemHasChildren(id);
 534 }
 535
 536 void wxGenericDirCtrl::SetupSections()
 537 {
 538 #if defined(__WXMSW__) || defined(__WXPM__)
 539
 540 #ifdef __WIN32__
 541     wxChar driveBuffer[256];
 542     size_t n = (size_t) GetLogicalDriveStrings(255, driveBuffer);
 543     size_t i = 0;
 544     while (i < n)
 545     {
 546         wxString path, name;
 547         path.Printf(wxT("%c:\\"), driveBuffer[i]);
 548         name.Printf(wxT("(%c:)"), driveBuffer[i]);
 549
 550         int imageId = 4;
 551         int driveType = ::GetDriveType(path);
 552         switch (driveType)
 553         {
 554             case DRIVE_REMOVABLE:
 555                 if (path == wxT("a:\\") || path == wxT("b:\\"))
 556                     imageId = 6; // Floppy
 557                 else
 558                     imageId = 7;
 559                 break;
 560             case DRIVE_FIXED:
 561                 imageId = 4;
 562                 break;
 563             case DRIVE_REMOTE:
 564                 imageId = 4;
 565                 break;
 566             case DRIVE_CDROM:
 567                 imageId = 5;
 568                 break;
 569             default:
 570                 imageId = 4;
 571                 break;
 572         }
 573
 574         AddSection(path, name, imageId);
 575
 576         while (driveBuffer[i] != wxT('\0'))
 577             i ++;
 578         i ++;
 579         if (driveBuffer[i] == wxT('\0'))
 580             break;
 581     }
 582 #else
 583     int drive;
 584     int currentDrive;
 585
 586     /* If we can switch to the drive, it exists. */
 587     for( drive = 1; drive <= 26; drive++ )
 588     {
 589         wxString path, name;
 590         path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
 591         name.Printf(wxT("(%c:)"), (char) (drive + 'a' - 1));
 592
 593         if (wxIsDriveAvailable(path))
 594         {
 595
 596             AddSection(path, name);
 597         }
 598     }
 599 #endif
 600 #elif defined(__WXMAC__) && !defined(__UNIX__)
 601     FSSpec volume ;
 602     short index = 1 ;
 603     while(1) {
 604       short actualCount = 0 ;
 605       if ( OnLine( &volume , 1 , &actualCount , &index ) != noErr || actualCount == 0 )
 606         break ;
 607
 608       wxString name = wxMacFSSpec2MacFilename( &volume ) ;
 609       AddSection(name+":", name, 0);
 610     }
 611 #else
 612   AddSection(wxT("/"), _("The Computer"), 0);
 613   AddSection(wxGetHomeDir(), _("My Home"), 0 );
 614   AddSection(wxT("/mnt"), _("Mounted Devices"), 0 );
 615   AddSection(wxT("/usr/local"), _("User Local"), 0 );
 616   AddSection(wxT("/usr"), _("User"), 0 );
 617   AddSection(wxT("/var"), _("Variables"), 0 );
 618   AddSection(wxT("/etc"), _("Etcetera"), 0 );
 619   AddSection(wxT("/tmp"), _("Temporary"), 0 );
 620 #endif
 621 }
 622
 623 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 624 {
 625     // don't rename the main entry "Sections"
 626     if (event.GetItem() == m_rootId)
 627     {
 628         event.Veto();
 629         return;
 630     }
 631
 632     // don't rename the individual sections
 633     if (m_treeCtrl->GetParent( event.GetItem() ) == m_rootId)
 634     {
 635         event.Veto();
 636         return;
 637     }
 638 }
 639
 640 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 641 {
 642     if ((event.GetLabel().IsEmpty()) ||
 643         (event.GetLabel() == _(".")) ||
 644         (event.GetLabel() == _("..")) ||
 645         (event.GetLabel().First( wxT("/") ) != wxNOT_FOUND))
 646     {
 647         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 648         dialog.ShowModal();
 649         event.Veto();
 650         return;
 651     }
 652
 653     wxTreeItemId id = event.GetItem();
 654     wxDirItemDataEx *data = (wxDirItemDataEx*)m_treeCtrl->GetItemData( id );
 655     wxASSERT( data );
 656
 657     wxString new_name( wxPathOnly( data->m_path ) );
 658     new_name += wxString(wxFILE_SEP_PATH);
 659     new_name += event.GetLabel();
 660
 661     wxLogNull log;
 662
 663     if (wxFileExists(new_name))
 664     {
 665         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 666         dialog.ShowModal();
 667         event.Veto();
 668     }
 669
 670     if (wxRenameFile(data->m_path,new_name))
 671     {
 672         data->SetNewDirName( new_name );
 673     }
 674     else
 675     {
 676         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 677         dialog.ShowModal();
 678         event.Veto();
 679     }
 680 }
 681
 682 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 683 {
 684     wxTreeItemId parentId = event.GetItem();
 685
 686     ExpandDir(parentId);
 687 }
 688
 689 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
 690 {
 691     wxTreeItemId child, parent = event.GetItem();
 692
 693     wxDirItemDataEx *data = (wxDirItemDataEx *) m_treeCtrl->GetItemData(event.GetItem());
 694     if (!data->m_isExpanded)
 695         return;
 696
 697     data->m_isExpanded = FALSE;
 698     long cookie;
 699     /* Workaround because DeleteChildren has disapeared (why?) and
 700      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 701     child = m_treeCtrl->GetFirstChild(parent, cookie);
 702     while (child.IsOk())
 703     {
 704         m_treeCtrl->Delete(child);
 705         /* Not GetNextChild below, because the cookie mechanism can't
 706          * handle disappearing children! */
 707         child = m_treeCtrl->GetFirstChild(parent, cookie);
 708     }
 709 }
 710
 711 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 712 {
 713     wxDirItemDataEx *data = (wxDirItemDataEx *) m_treeCtrl->GetItemData(parentId);
 714
 715     if (data->m_isExpanded)
 716         return;
 717
 718     data->m_isExpanded = TRUE;
 719
 720     if (parentId == m_rootId)
 721     {
 722         SetupSections();
 723         return;
 724     }
 725
 726     wxASSERT(data);
 727
 728     wxString search,path,filename;
 729
 730     wxString dirName(data->m_path);
 731
 732 #if defined(__WXMSW__) || defined(__WXPM__)
 733     // Check if this is a root directory and if so,
 734     // whether the drive is avaiable.
 735     if (!wxIsDriveAvailable(dirName))
 736     {
 737         data->m_isExpanded = FALSE;
 738         //wxMessageBox(wxT("Sorry, this drive is not available."));
 739         return;
 740     }
 741 #endif
 742
 743     // This may take a longish time. Go to busy cursor
 744     wxBusyCursor busy;
 745
 746 #if defined(__WXMSW__) || defined(__WXPM__)
 747     if (dirName.Last() == ':')
 748         dirName += wxString(wxFILE_SEP_PATH);
 749 #endif
 750
 751     wxArrayString dirs;
 752     wxArrayString filenames;
 753
 754     wxDir d;
 755     wxString eachFilename;
 756
 757     wxLogNull log;
 758     d.Open(dirName);
 759
 760     if (d.IsOpened())
 761     {
 762         if (d.GetFirst(& eachFilename, wxEmptyString, wxDIR_DIRS))
 763         {
 764             do
 765             {
 766                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 767                 {
 768                     dirs.Add(eachFilename);
 769                 }
 770             }
 771             while (d.GetNext(& eachFilename)) ;
 772         }
 773     }
 774     dirs.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
 775
 776     // Now do the filenames -- but only if we're allowed to
 777     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 778     {
 779         wxLogNull log;
 780
 781         d.Open(dirName);
 782
 783         if (d.IsOpened())
 784         {
 785             if (d.GetFirst(& eachFilename, m_currentFilterStr, wxDIR_FILES))
 786             {
 787                 do
 788                 {
 789                     if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 790                     {
 791                         filenames.Add(eachFilename);
 792                     }
 793                 }
 794                 while (d.GetNext(& eachFilename)) ;
 795             }
 796         }
 797         filenames.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
 798     }
 799
 800     // Add the sorted dirs
 801     size_t i;
 802     for (i = 0; i < dirs.Count(); i++)
 803     {
 804         wxString eachFilename(dirs[i]);
 805         path = dirName;
 806         if (path.Last() != wxFILE_SEP_PATH)
 807             path += wxString(wxFILE_SEP_PATH);
 808         path += eachFilename;
 809
 810         wxDirItemDataEx *dir_item = new wxDirItemDataEx(path,eachFilename,TRUE);
 811         wxTreeItemId id = m_treeCtrl->AppendItem( parentId, eachFilename, 0, -1, dir_item);
 812         m_treeCtrl->SetItemImage( id, 1, wxTreeItemIcon_Expanded );
 813
 814         // Has this got any children? If so, make it expandable.
 815         int options = wxDIR_DEFAULT;
 816         if (GetWindowStyle() & wxDIRCTRL_DIR_ONLY) // If only showing dirs, then we specify dirs only here
 817         {
 818             options = wxDIR_DIRS;
 819         }
 820
 821         wxLogNull log;
 822         wxDir dir2;
 823         if (dir2.Open(path))
 824         {
 825             wxString str;
 826             // Have to test for wxDIR_DIRS separately in case m_currentFilterStr is non-empty and
 827             // and filters out any directories
 828             if (dir2.GetFirst(& str, m_currentFilterStr, options) || dir2.GetFirst(& str, wxEmptyString, wxDIR_DIRS))
 829             {
 830                 m_treeCtrl->SetItemHasChildren(id);
 831             }
 832     }
 833     }
 834
 835     // Add the sorted filenames
 836     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 837     {
 838         for (i = 0; i < filenames.Count(); i++)
 839         {
 840             wxString eachFilename(filenames[i]);
 841             path = dirName;
 842             if (path.Last() != wxFILE_SEP_PATH)
 843                 path += wxString(wxFILE_SEP_PATH);
 844             path += eachFilename;
 845             //path = dirName + wxString(wxT("/")) + eachFilename;
 846             wxDirItemDataEx *dir_item = new wxDirItemDataEx(path,eachFilename,FALSE);
 847             (void)m_treeCtrl->AppendItem( parentId, eachFilename, 2, -1, dir_item);
 848         }
 849     }
 850 }
 851
 852 // Find the child that matches the first part of 'path'.
 853 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 854 // then the child for /usr is returned.
 855 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 856 {
 857     wxString path2(path);
 858
 859     // Make sure all separators are as per the current platform
 860     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 861     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 862
 863     // Append a separator to foil bogus substring matching
 864     path2 += wxString(wxFILE_SEP_PATH);
 865
 866     // In MSW or PM, case is not significant
 867 #if defined(__WXMSW__) || defined(__WXPM__)
 868     path2.MakeLower();
 869 #endif
 870
 871     long cookie;
 872     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 873     while (childId.IsOk())
 874     {
 875         wxDirItemDataEx* data = (wxDirItemDataEx*) m_treeCtrl->GetItemData(childId);
 876
 877         if (data && data->m_path != "")
 878         {
 879             wxString childPath(data->m_path);
 880             if (childPath.Last() != wxFILE_SEP_PATH)
 881                 childPath += wxString(wxFILE_SEP_PATH);
 882
 883             // In MSW and PM, case is not significant
 884 #if defined(__WXMSW__) || defined(__WXPM__)
 885             childPath.MakeLower();
 886 #endif
 887
 888             if (childPath.Len() <= path2.Len())
 889             {
 890                 wxString path3 = path2.Mid(0, childPath.Len());
 891                 if (childPath == path3)
 892                 {
 893                     if (path3.Len() == path2.Len())
 894                         done = TRUE;
 895                     else
 896                         done = FALSE;
 897                     return childId;
 898                 }
 899             }
 900         }
 901
 902         childId = m_treeCtrl->GetNextChild(childId, cookie);
 903     }
 904     wxTreeItemId invalid;
 905     return invalid;
 906 }
 907
 908 // Try to expand as much of the given path as possible,
 909 // and select the given tree item.
 910 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
 911 {
 912     bool done = FALSE;
 913     wxTreeItemId id = FindChild(m_rootId, path, done);
 914     wxTreeItemId lastId = id; // The last non-zero id
 915     while (id.IsOk() && !done)
 916     {
 917         ExpandDir(id);
 918
 919         id = FindChild(id, path, done);
 920         if (id.IsOk())
 921             lastId = id;
 922     }
 923     if (lastId.IsOk())
 924     {
 925         wxDirItemDataEx *data = (wxDirItemDataEx *) m_treeCtrl->GetItemData(lastId);
 926         if (data->m_isDir)
 927         {
 928             m_treeCtrl->Expand(lastId);
 929         }
 930         if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
 931         {
 932             // Find the first file in this directory
 933             long cookie;
 934             wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
 935             bool selectedChild = FALSE;
 936             while (childId.IsOk())
 937             {
 938                 wxDirItemDataEx* data = (wxDirItemDataEx*) m_treeCtrl->GetItemData(childId);
 939
 940                 if (data && data->m_path != "" && !data->m_isDir)
 941                 {
 942                     m_treeCtrl->SelectItem(childId);
 943                     m_treeCtrl->EnsureVisible(childId);
 944                     selectedChild = TRUE;
 945                     break;
 946                 }
 947                 childId = m_treeCtrl->GetNextChild(lastId, cookie);
 948             }
 949             if (!selectedChild)
 950             {
 951                 m_treeCtrl->SelectItem(lastId);
 952                 m_treeCtrl->EnsureVisible(lastId);
 953             }
 954         }
 955         else
 956         {
 957             m_treeCtrl->SelectItem(lastId);
 958             m_treeCtrl->EnsureVisible(lastId);
 959         }
 960
 961         return TRUE;
 962     }
 963     else
 964         return FALSE;
 965 }
 966
 967 wxString wxGenericDirCtrl::GetPath() const
 968 {
 969     wxTreeItemId id = m_treeCtrl->GetSelection();
 970     if (id)
 971     {
 972         wxDirItemDataEx* data = (wxDirItemDataEx*) m_treeCtrl->GetItemData(id);
 973         return data->m_path;
 974     }
 975     else
 976         return wxEmptyString;
 977 }
 978
 979 wxString wxGenericDirCtrl::GetFilePath() const
 980 {
 981     wxTreeItemId id = m_treeCtrl->GetSelection();
 982     if (id)
 983     {
 984         wxDirItemDataEx* data = (wxDirItemDataEx*) m_treeCtrl->GetItemData(id);
 985         if (data->m_isDir)
 986             return wxEmptyString;
 987         else
 988             return data->m_path;
 989     }
 990     else
 991         return wxEmptyString;
 992 }
 993
 994 void wxGenericDirCtrl::SetPath(const wxString& path)
 995 {
 996     m_defaultPath = path;
 997     if (m_rootId)
 998         ExpandPath(path);
 999 }
1000
1001 // Not used
1002 #if 0
1003 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1004 {
1005     wxDirItemDataEx *data = (wxDirItemDataEx *) m_treeCtrl->GetItemData(id);
1006
1007     // This may take a longish time. Go to busy cursor
1008     wxBusyCursor busy;
1009
1010     wxASSERT(data);
1011
1012     wxString search,path,filename;
1013
1014     wxString dirName(data->m_path);
1015
1016 #if defined(__WXMSW__) || defined(__WXPM__)
1017     if (dirName.Last() == ':')
1018         dirName += wxString(wxFILE_SEP_PATH);
1019 #endif
1020
1021     wxDir d;
1022     wxString eachFilename;
1023
1024     wxLogNull log;
1025     d.Open(dirName);
1026
1027     if (d.IsOpened())
1028     {
1029         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1030         {
1031             do
1032             {
1033                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1034                 {
1035                     filenames.Add(eachFilename);
1036                 }
1037             }
1038             while (d.GetNext(& eachFilename)) ;
1039         }
1040     }
1041 }
1042 #endif
1043
1044 void wxGenericDirCtrl::SetFilterIndex(int n)
1045 {
1046     m_currentFilter = n;
1047
1048     wxString f, d;
1049     if (ExtractWildcard(m_filter, n, f, d))
1050         m_currentFilterStr = f;
1051     else
1052         m_currentFilterStr = wxT("*.*");
1053 }
1054
1055 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1056 {
1057     m_filter = filter;
1058
1059     wxString f, d;
1060     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1061         m_currentFilterStr = f;
1062     else
1063         m_currentFilterStr = wxT("*.*");
1064 }
1065
1066 // Extract description and actual filter from overall filter string
1067 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1068 {
1069     wxArrayString filters, descriptions;
1070     int count = ParseFilter(filterStr, filters, descriptions);
1071     if (count > 0 && n < count)
1072     {
1073         filter = filters[n];
1074         description = descriptions[n];
1075         return TRUE;
1076     }
1077
1078     return FALSE;
1079 }
1080
1081 // Parses the global filter, returning the number of filters.
1082 // Returns 0 if none or if there's a problem.
1083 // filterStr is in the form:
1084 //
1085 // "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1086
1087 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1088 {
1089     wxString str(filterStr);
1090
1091     wxString description, filter;
1092     int pos;
1093     bool finished = FALSE;
1094     do
1095     {
1096         pos = str.Find(wxT('|'));
1097         if (pos == -1)
1098             return 0; // Problem
1099         description = str.Left(pos);
1100         str = str.Mid(pos+1);
1101         pos = str.Find(wxT('|'));
1102         if (pos == -1)
1103         {
1104             filter = str;
1105             finished = TRUE;
1106         }
1107         else
1108         {
1109             filter = str.Left(pos);
1110             str = str.Mid(pos+1);
1111         }
1112         descriptions.Add(description);
1113         filters.Add(filter);
1114     }
1115     while (!finished) ;
1116
1117     return filters.Count();
1118 }
1119
1120 void wxGenericDirCtrl::DoResize()
1121 {
1122     wxSize sz = GetClientSize();
1123     int verticalSpacing = 3;
1124     if (m_treeCtrl)
1125     {
1126         wxSize filterSz ;
1127         if (m_filterListCtrl)
1128         {
1129             filterSz = m_filterListCtrl->GetSize();
1130             sz.y -= (filterSz.y + verticalSpacing);
1131         }
1132         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1133         if (m_filterListCtrl)
1134         {
1135             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1136             // Don't know why, but this needs refreshing after a resize (wxMSW)
1137             m_filterListCtrl->Refresh();
1138         }
1139     }
1140 }
1141
1142
1143 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1144 {
1145     DoResize();
1146 }
1147
1148 //-----------------------------------------------------------------------------
1149 // wxDirFilterListCtrl
1150 //-----------------------------------------------------------------------------
1151
1152 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1153
1154 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1155     EVT_CHOICE(-1, wxDirFilterListCtrl::OnSelFilter)
1156 END_EVENT_TABLE()
1157
1158 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1159               const wxPoint& pos,
1160               const wxSize& size,
1161               long style)
1162 {
1163     m_dirCtrl = parent;
1164     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1165 }
1166
1167 void wxDirFilterListCtrl::Init()
1168 {
1169     m_dirCtrl = NULL;
1170 }
1171
1172 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1173 {
1174     int sel = GetSelection();
1175
1176     wxString currentPath = m_dirCtrl->GetPath();
1177
1178     m_dirCtrl->SetFilterIndex(sel);
1179
1180     // If the filter has changed, the view is out of date, so
1181     // collapse the tree.
1182     m_dirCtrl->GetTreeCtrl()->Collapse(m_dirCtrl->GetRootId());
1183     m_dirCtrl->GetTreeCtrl()->Expand(m_dirCtrl->GetRootId());
1184
1185     // Try to restore the selection, or at least the directory
1186     m_dirCtrl->ExpandPath(currentPath);
1187 }
1188
1189 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1190 {
1191     Clear();
1192     wxArrayString descriptions, filters;
1193     size_t n = (size_t) m_dirCtrl->ParseFilter(filter, filters, descriptions);
1194
1195     if (n > 0 && defaultFilter < (int) n)
1196     {
1197         size_t i = 0;
1198         for (i = 0; i < n; i++)
1199             Append(descriptions[i]);
1200         SetSelection(defaultFilter);
1201     }
1202 }
1203
1204 // wxGenericDirDialog implementation
1205 // This should be moved into dirdlgg.cpp eventually
1206
1207 BEGIN_EVENT_TABLE(wxGenericDirDialog, wxDialog)
1208     EVT_BUTTON(wxID_OK,  wxGenericDirDialog::OnOK)
1209     EVT_BUTTON(wxID_NEW,  wxGenericDirDialog::OnNew)
1210     EVT_BUTTON               (wxID_NEW,     wxGenericDirDialog::OnNew)
1211     EVT_CLOSE(wxGenericDirDialog::OnCloseWindow)
1212     EVT_TREE_KEY_DOWN        (-1,   wxGenericDirDialog::OnTreeKeyDown)
1213     EVT_TREE_SEL_CHANGED     (-1,   wxGenericDirDialog::OnTreeSelected)
1214     EVT_TEXT_ENTER           (ID_TEXTCTRL,  wxGenericDirDialog::OnOK)
1215 END_EVENT_TABLE()
1216
1217 wxGenericDirDialog::wxGenericDirDialog(wxWindow* parent, const wxString& title,
1218         const wxString& defaultPath, long style, const wxPoint& pos, const wxSize& sz, const wxString& name):
1219    wxDialog(parent, ID_DIRCTRL, title, pos, sz, style, name)
1220 {
1221     m_dirCtrl = NULL;
1222     m_path = defaultPath;
1223
1224     wxBusyCursor cursor;
1225
1226     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
1227
1228     // 1) dir ctrl
1229     m_dirCtrl = new wxGenericDirCtrl(this, ID_DIRCTRL,
1230         defaultPath, wxPoint(5, 5),
1231         wxSize(300, 200), wxDIRCTRL_DIR_ONLY|wxSUNKEN_BORDER);
1232
1233     topsizer->Add( m_dirCtrl, 1, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, 10 );
1234
1235     // 2) text ctrl
1236     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
1237     topsizer->Add( m_input, 0, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, 10 );
1238
1239 #if wxUSE_STATLINE
1240     // 3) Static line
1241     topsizer->Add( new wxStaticLine( this, -1 ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
1242 #endif
1243
1244     // 4) Buttons
1245     wxSizer* buttonsizer = new wxBoxSizer( wxHORIZONTAL );
1246     wxButton* okButton = new wxButton(this, wxID_OK, _("OK"));
1247     buttonsizer->Add( okButton, 0, wxLEFT|wxRIGHT, 10 );
1248     wxButton* cancelButton = new wxButton(this, wxID_CANCEL, _("Cancel"));
1249     buttonsizer->Add( cancelButton, 0, wxLEFT|wxRIGHT, 10 );
1250
1251     // I'm not convinced we need a New button, and we tend to get annoying
1252     // accidental-editing with label editing enabled.
1253 #if 0
1254     wxButton* newButton = new wxButton( this, wxID_NEW, _("New...") );
1255     buttonsizer->Add( newButton, 0, wxLEFT|wxRIGHT, 10 );
1256 #endif
1257
1258     topsizer->Add( buttonsizer, 0, wxALL | wxCENTER, 10 );
1259
1260     okButton->SetDefault();
1261     m_dirCtrl->SetFocus();
1262
1263     SetAutoLayout( TRUE );
1264     SetSizer( topsizer );
1265
1266     topsizer->SetSizeHints( this );
1267     topsizer->Fit( this );
1268
1269     Centre( wxBOTH );
1270 }
1271
1272 void wxGenericDirDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
1273 {
1274     EndModal(wxID_CANCEL);
1275 }
1276
1277 void wxGenericDirDialog::OnOK(wxCommandEvent& WXUNUSED(event))
1278 {
1279     m_path = m_input->GetValue();
1280     // Does the path exist? (User may have typed anything in m_input)
1281     if (wxPathExists(m_path)) {
1282         // OK, path exists, we're done.
1283         EndModal(wxID_OK);
1284         return;
1285     }
1286     // Interact with user, find out if the dir is a typo or to be created
1287     wxString msg( _("The directory ") );
1288     msg = msg + m_path;
1289     msg = msg + _("\ndoes not exist\nCreate it now?") ;
1290     wxMessageDialog dialog(this, msg, _("Directory does not exist"), wxYES_NO | wxICON_WARNING );
1291     if ( dialog.ShowModal() == wxID_YES ) {
1292         // Okay, let's make it
1293         wxLogNull log;
1294         if (wxMkdir(m_path)) {
1295             // The new dir was created okay.
1296             EndModal(wxID_OK);
1297             return;
1298         }
1299         else {
1300             // Trouble...
1301             msg = _("Failed to create directory ")+m_path+
1302                 _("\n(Do you have the required permissions?)");
1303             wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK | wxICON_ERROR);
1304             errmsg.ShowModal();
1305             // We still don't have a valid dir. Back to the main dialog.
1306         }
1307     }
1308     // User has answered NO to create dir.
1309 }
1310
1311 void wxGenericDirDialog::SetPath(const wxString& path)
1312 {
1313     m_dirCtrl->SetPath(path);
1314     m_path = path;
1315 }
1316
1317 wxString wxGenericDirDialog::GetPath(void) const
1318 {
1319     return m_path;
1320 }
1321
1322 int wxGenericDirDialog::ShowModal()
1323 {
1324     //m_input->SetValue( m_path );
1325     return wxDialog::ShowModal();
1326 }
1327
1328 void wxGenericDirDialog::OnTreeSelected( wxTreeEvent &event )
1329 {
1330     if (!m_dirCtrl)
1331         return;
1332
1333     wxDirItemDataEx *data = (wxDirItemDataEx*)m_dirCtrl->GetTreeCtrl()->GetItemData(event.GetItem());
1334     if (data)
1335        m_input->SetValue( data->m_path );
1336 };
1337
1338 void wxGenericDirDialog::OnTreeKeyDown( wxTreeEvent &WXUNUSED(event) )
1339 {
1340     if (!m_dirCtrl)
1341         return;
1342
1343     wxDirItemDataEx *data = (wxDirItemDataEx*)m_dirCtrl->GetTreeCtrl()->GetItemData(m_dirCtrl->GetTreeCtrl()->GetSelection());
1344     if (data)
1345         m_input->SetValue( data->m_path );
1346 };
1347
1348 void wxGenericDirDialog::OnNew( wxCommandEvent& WXUNUSED(event) )
1349 {
1350     wxTreeItemId id = m_dirCtrl->GetTreeCtrl()->GetSelection();
1351     if ((id == m_dirCtrl->GetTreeCtrl()->GetRootItem()) ||
1352         (m_dirCtrl->GetTreeCtrl()->GetParent(id) == m_dirCtrl->GetTreeCtrl()->GetRootItem()))
1353     {
1354         wxMessageDialog msg(this, _("You cannot add a new directory to this section."),
1355                             _("Create directory"), wxOK | wxICON_INFORMATION );
1356         msg.ShowModal();
1357         return;
1358     }
1359
1360     wxTreeItemId parent = id ; // m_dirCtrl->GetTreeCtrl()->GetParent( id );
1361     wxDirItemDataEx *data = (wxDirItemDataEx*)m_dirCtrl->GetTreeCtrl()->GetItemData( parent );
1362     wxASSERT( data );
1363
1364     wxString new_name( wxT("NewName") );
1365     wxString path( data->m_path );
1366     if (path.Last() != wxFILE_SEP_PATH)
1367         path += wxFILE_SEP_PATH;
1368     path += new_name;
1369     if (wxFileExists(path))
1370     {
1371         // try NewName0, NewName1 etc.
1372         int i = 0;
1373         do {
1374             new_name = wxT("NewName");
1375             wxString num;
1376             num.Printf( wxT("%d"), i );
1377             new_name += num;
1378
1379             path = data->m_path;
1380             if (path.Last() != wxFILE_SEP_PATH)
1381                 path += wxFILE_SEP_PATH;
1382             path += new_name;
1383             i++;
1384         } while (wxFileExists(path));
1385     }
1386
1387     wxLogNull log;
1388     if (!wxMkdir(path))
1389     {
1390         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
1391         dialog.ShowModal();
1392         return;
1393     }
1394
1395     wxDirItemDataEx *new_data = new wxDirItemDataEx( path, new_name, TRUE );
1396
1397     // TODO: THIS CODE DOESN'T WORK YET. We need to avoid duplication of the first child
1398     // of the parent.
1399     wxTreeItemId new_id = m_dirCtrl->GetTreeCtrl()->AppendItem( parent, new_name, 0, 0, new_data );
1400     m_dirCtrl->GetTreeCtrl()->EnsureVisible( new_id );
1401     m_dirCtrl->GetTreeCtrl()->EditLabel( new_id );
1402 }
1403
1404 #endif // wxUSE_DIRDLG