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