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/textctrl.h"
  31 #include "wx/textdlg.h"
  32 #include "wx/filefn.h"
  33 #include "wx/cmndata.h"
  34 #include "wx/gdicmn.h"
  35 #include "wx/intl.h"
  36 #include "wx/imaglist.h"
  37 #include "wx/icon.h"
  38 #include "wx/log.h"
  39 #include "wx/sizer.h"
  40 #include "wx/tokenzr.h"
  41 #include "wx/dir.h"
  42 #include "wx/settings.h"
  43
  44 #if wxUSE_STATLINE
  45     #include "wx/statline.h"
  46 #endif
  47
  48 #include "wx/generic/dirctrlg.h"
  49
  50 #if defined(__WXMAC__)
  51   #include  "wx/mac/private.h"  // includes mac headers
  52 #endif
  53
  54 #ifdef __WXMSW__
  55 #include <windows.h>
  56
  57 // FIXME - Mingw32 1.0 has both _getdrive() and _chdrive(). For now, let's assume
  58 //         older releases don't, but it should be verified and the checks modified
  59 //         accordingly.
  60 #if !defined(__GNUWIN32__) || \
  61     (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
  62   #include <direct.h>
  63   #include <stdlib.h>
  64   #include <ctype.h>
  65 #endif
  66
  67 #endif
  68
  69 #ifdef __WXPM__
  70
  71 #define INCL_BASE
  72 #include <os2.h>
  73 #include <direct.h>
  74 #include <stdlib.h>
  75 #include <ctype.h>
  76
  77 #endif // __WXPM__
  78
  79 #if defined(__WXMAC__)
  80 #  include "MoreFilesExtras.h"
  81 #endif
  82
  83 #ifdef __BORLANDC__
  84 #include "dos.h"
  85 #endif
  86
  87 // If compiled under Windows, this macro can cause problems
  88 #ifdef GetFirstChild
  89 #undef GetFirstChild
  90 #endif
  91
  92 /* Closed folder */
  93 static const char * icon1_xpm[] = {
  94 /* width height ncolors chars_per_pixel */
  95 "16 16 6 1",
  96 /* colors */
  97 "   s None  c None",
  98 ".  c #000000",
  99 "+  c #c0c0c0",
 100 "@  c #808080",
 101 "#  c #ffff00",
 102 "$  c #ffffff",
 103 /* pixels */
 104 "                ",
 105 "   @@@@@        ",
 106 "  @#+#+#@       ",
 107 " @#+#+#+#@@@@@@ ",
 108 " @$$$$$$$$$$$$@.",
 109 " @$#+#+#+#+#+#@.",
 110 " @$+#+#+#+#+#+@.",
 111 " @$#+#+#+#+#+#@.",
 112 " @$+#+#+#+#+#+@.",
 113 " @$#+#+#+#+#+#@.",
 114 " @$+#+#+#+#+#+@.",
 115 " @$#+#+#+#+#+#@.",
 116 " @@@@@@@@@@@@@@.",
 117 "  ..............",
 118 "                ",
 119 "                "};
 120
 121 /* Open folder */
 122 static const char * icon2_xpm[] = {
 123 /* width height ncolors chars_per_pixel */
 124 "16 16 6 1",
 125 /* colors */
 126 "   s None  c None",
 127 ".  c #000000",
 128 "+  c #c0c0c0",
 129 "@  c #808080",
 130 "#  c #ffff00",
 131 "$  c #ffffff",
 132 /* pixels */
 133 "                ",
 134 "   @@@@@        ",
 135 "  @$$$$$@       ",
 136 " @$#+#+#$@@@@@@ ",
 137 " @$+#+#+$$$$$$@.",
 138 " @$#+#+#+#+#+#@.",
 139 "@@@@@@@@@@@@@#@.",
 140 "@$$$$$$$$$$@@+@.",
 141 "@$#+#+#+#+##.@@.",
 142 " @$#+#+#+#+#+.@.",
 143 " @$+#+#+#+#+#.@.",
 144 "  @$+#+#+#+##@..",
 145 "  @@@@@@@@@@@@@.",
 146 "   .............",
 147 "                ",
 148 "                "};
 149
 150 /* File */
 151 static const char * icon3_xpm[] = {
 152 /* width height ncolors chars_per_pixel */
 153 "16 16 3 1",
 154 /* colors */
 155 "     s None    c None",
 156 ".    c #000000",
 157 "+    c #ffffff",
 158 /* pixels */
 159 "                ",
 160 "  ........      ",
 161 "  .++++++..     ",
 162 "  .+.+.++.+.    ",
 163 "  .++++++....   ",
 164 "  .+.+.+++++.   ",
 165 "  .+++++++++.   ",
 166 "  .+.+.+.+.+.   ",
 167 "  .+++++++++.   ",
 168 "  .+.+.+.+.+.   ",
 169 "  .+++++++++.   ",
 170 "  .+.+.+.+.+.   ",
 171 "  .+++++++++.   ",
 172 "  ...........   ",
 173 "                ",
 174 "                "};
 175
 176 /* Computer */
 177 static const char * icon4_xpm[] = {
 178 "16 16 7 1",
 179 "     s None    c None",
 180 ".    c #808080",
 181 "X    c #c0c0c0",
 182 "o    c Black",
 183 "O    c Gray100",
 184 "+    c #008080",
 185 "@    c Blue",
 186 "    ........... ",
 187 "   .XXXXXXXXXX.o",
 188 "   .OOOOOOOOO..o",
 189 "   .OoooooooX..o",
 190 "   .Oo+...@+X..o",
 191 "   .Oo+XXX.+X..o",
 192 "   .Oo+....+X..o",
 193 "   .Oo++++++X..o",
 194 "   .OXXXXXXXX.oo",
 195 "   ..........o.o",
 196 "   ...........Xo",
 197 "   .XXXXXXXXXX.o",
 198 "  .o.o.o.o.o...o",
 199 " .oXoXoXoXoXo.o ",
 200 ".XOXXXXXXXXX.o  ",
 201 "............o   "};
 202
 203 /* Drive */
 204 static const char * icon5_xpm[] = {
 205 "16 16 7 1",
 206 "     s None    c None",
 207 ".    c #808080",
 208 "X    c #c0c0c0",
 209 "o    c Black",
 210 "O    c Gray100",
 211 "+    c Green",
 212 "@    c #008000",
 213 "                ",
 214 "                ",
 215 "                ",
 216 "                ",
 217 "  ............. ",
 218 " .XXXXXXXXXXXX.o",
 219 ".OOOOOOOOOOOO..o",
 220 ".XXXXXXXXX+@X..o",
 221 ".XXXXXXXXXXXX..o",
 222 ".X..........X..o",
 223 ".XOOOOOOOOOOX..o",
 224 "..............o ",
 225 " ooooooooooooo  ",
 226 "                ",
 227 "                ",
 228 "                "};
 229
 230 /* CD-ROM */
 231 static const char *icon6_xpm[] = {
 232 "16 16 10 1",
 233 "     s None    c None",
 234 ".    c #808080",
 235 "X    c #c0c0c0",
 236 "o    c Yellow",
 237 "O    c Blue",
 238 "+    c Black",
 239 "@    c Gray100",
 240 "#    c #008080",
 241 "$    c Green",
 242 "%    c #008000",
 243 "        ...     ",
 244 "      ..XoX..   ",
 245 "     .O.XoXXX+  ",
 246 "    ...O.oXXXX+ ",
 247 "    .O..X.XXXX+ ",
 248 "   ....X.+..XXX+",
 249 "   .XXX.+@+.XXX+",
 250 "   .X@XX.+.X@@X+",
 251 " .....X...#XX@+ ",
 252 ".@@@...XXo.O@X+ ",
 253 ".@XXX..XXoXOO+  ",
 254 ".@++++..XoX+++  ",
 255 ".@$%@@XX+++X.+  ",
 256 ".............+  ",
 257 " ++++++++++++   ",
 258 "                "};
 259
 260 /* Floppy */
 261 static const char * icon7_xpm[] = {
 262 "16 16 7 1",
 263 "     s None    c None",
 264 ".    c #808080",
 265 "X    c Gray100",
 266 "o    c #c0c0c0",
 267 "O    c Black",
 268 "+    c Cyan",
 269 "@    c Red",
 270 "         ......X",
 271 "        .ooooooO",
 272 "        .+++++OO",
 273 "        .++++++O",
 274 "        .++++++O",
 275 "        .ooooooO",
 276 "  .......o....oO",
 277 " .oooooo.o.O.XoO",
 278 ".XXXXXXXXOOOOOO ",
 279 ".ooooooooo@o..O ",
 280 ".ooo....oooo..O ",
 281 ".o..OOOO...o..O ",
 282 ".oooXXXXoooo..O ",
 283 ".............O  ",
 284 " OOOOOOOOOOOO   ",
 285 "                "};
 286
 287 /* Removeable */
 288 static const char * icon8_xpm[] = {
 289 "16 16 7 1",
 290 "     s None    c None",
 291 ".    c #808080",
 292 "X    c #c0c0c0",
 293 "o    c Black",
 294 "O    c Gray100",
 295 "+    c Red",
 296 "@    c #800000",
 297 "                ",
 298 "                ",
 299 "                ",
 300 "  ............. ",
 301 " .XXXXXXXXXXXX.o",
 302 ".OOOOOOOOOOOO..o",
 303 ".OXXXXXXXXXXX..o",
 304 ".O+@.oooooo.X..o",
 305 ".OXXOooooooOX..o",
 306 ".OXXXOOOOOOXX..o",
 307 ".OXXXXXXXXXXX..o",
 308 ".O............o ",
 309 " ooooooooooooo  ",
 310 "                ",
 311 "                ",
 312 "                "};
 313
 314
 315 #if defined(__DOS__)
 316
 317 bool wxIsDriveAvailable(const wxString& dirName)
 318 {
 319     // FIXME_MGL - this method leads to hang up under Watcom for some reason
 320 #ifndef __WATCOMC__
 321     if ( dirName.Len() == 3 && dirName[1u] == wxT(':') )
 322     {
 323         wxString dirNameLower(dirName.Lower());
 324         // VS: always return TRUE for removable media, since Win95 doesn't
 325         //     like it when MS-DOS app accesses empty floppy drive
 326         return (dirNameLower[0u] == wxT('a') ||
 327                 dirNameLower[0u] == wxT('b') ||
 328                 wxPathExists(dirNameLower));
 329     }
 330     else
 331 #endif
 332         return TRUE;
 333 }
 334
 335 #elif defined(__WINDOWS__) || defined(__WXPM__)
 336
 337 int setdrive(int drive)
 338 {
 339 #if defined(__GNUWIN32__) && \
 340     (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 341     return _chdrive(drive);
 342 #else
 343         wxChar  newdrive[3];
 344
 345         if (drive < 1 || drive > 31)
 346                 return -1;
 347         newdrive[0] = (wxChar)(wxT('A') + drive - 1);
 348         newdrive[1] = wxT(':');
 349         newdrive[2] = wxT('\0');
 350 #if defined(__WXMSW__)
 351 #ifdef __WIN16__
 352     if (wxSetWorkingDirectory(newdrive))
 353 #else
 354         if (::SetCurrentDirectory(newdrive))
 355 #endif
 356 #else
 357     // VA doesn't know what LPSTR is and has its own set
 358         if (DosSetCurrentDir((PSZ)newdrive))
 359 #endif
 360                 return 0;
 361         else
 362                 return -1;
 363 #endif // !GNUWIN32
 364 }
 365
 366 bool wxIsDriveAvailable(const wxString& dirName)
 367 {
 368 #ifdef __WIN32__
 369     UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
 370 #endif
 371     bool success = TRUE;
 372
 373     // Check if this is a root directory and if so,
 374     // whether the drive is avaiable.
 375     if (dirName.Len() == 3 && dirName[(size_t)1] == wxT(':'))
 376     {
 377         wxString dirNameLower(dirName.Lower());
 378 #if defined(__GNUWIN32__) && \
 379     !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 380         success = wxPathExists(dirNameLower);
 381 #else
 382         int currentDrive = _getdrive();
 383         int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
 384         int err = setdrive( thisDrive ) ;
 385         setdrive( currentDrive );
 386
 387         if (err == -1)
 388         {
 389             success = FALSE;
 390         }
 391 #endif
 392     }
 393 #ifdef __WIN32__
 394     (void) SetErrorMode(errorMode);
 395 #endif
 396
 397     return success;
 398 }
 399 #endif // __WINDOWS__ || __WXPM__
 400
 401 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
 402 // and sort regardless of case.
 403 static int LINKAGEMODE wxDirCtrlStringCompareFunction(const void *first, const void *second)
 404 {
 405     wxString *strFirst = (wxString *)first;
 406     wxString *strSecond = (wxString *)second;
 407
 408     return strFirst->CmpNoCase(*strSecond);
 409 }
 410
 411 //-----------------------------------------------------------------------------
 412 // wxDirItemData
 413 //-----------------------------------------------------------------------------
 414
 415 wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
 416                              bool isDir)
 417 {
 418     m_path = path;
 419     m_name = name;
 420     /* Insert logic to detect hidden files here
 421      * In UnixLand we just check whether the first char is a dot
 422      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 423     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 424     m_isHidden = FALSE;
 425     m_isExpanded = FALSE;
 426     m_isDir = isDir;
 427 }
 428
 429 wxDirItemData::~wxDirItemData()
 430 {
 431 }
 432
 433 void wxDirItemData::SetNewDirName(const wxString& path)
 434 {
 435     m_path = path;
 436     m_name = wxFileNameFromPath(path);
 437 }
 438
 439 bool wxDirItemData::HasSubDirs() const
 440 {
 441     if (m_path.IsEmpty())
 442         return FALSE;
 443
 444     wxDir dir;
 445     {
 446         wxLogNull nolog;
 447         if ( !dir.Open(m_path) )
 448             return FALSE;
 449     }
 450
 451     return dir.HasSubDirs();
 452 }
 453
 454 bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
 455 {
 456     if (m_path.IsEmpty())
 457         return FALSE;
 458
 459     wxDir dir;
 460     {
 461         wxLogNull nolog;
 462         if ( !dir.Open(m_path) )
 463             return FALSE;
 464     }
 465
 466     return dir.HasFiles();
 467 }
 468
 469 //-----------------------------------------------------------------------------
 470 // wxGenericDirCtrl
 471 //-----------------------------------------------------------------------------
 472
 473 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 474
 475 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 476   EVT_TREE_ITEM_EXPANDING     (-1, wxGenericDirCtrl::OnExpandItem)
 477   EVT_TREE_ITEM_COLLAPSED     (-1, wxGenericDirCtrl::OnCollapseItem)
 478   EVT_TREE_BEGIN_LABEL_EDIT   (-1, wxGenericDirCtrl::OnBeginEditItem)
 479   EVT_TREE_END_LABEL_EDIT     (-1, wxGenericDirCtrl::OnEndEditItem)
 480   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 481 END_EVENT_TABLE()
 482
 483 wxGenericDirCtrl::wxGenericDirCtrl(void)
 484 {
 485     Init();
 486 }
 487
 488 bool wxGenericDirCtrl::Create(wxWindow *parent,
 489                               const wxWindowID id,
 490                               const wxString& dir,
 491                               const wxPoint& pos,
 492                               const wxSize& size,
 493                               long style,
 494                               const wxString& filter,
 495                               int defaultFilter,
 496                               const wxString& name)
 497 {
 498     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 499         return FALSE;
 500
 501     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 502
 503     Init();
 504
 505     long treeStyle = wxTR_HAS_BUTTONS;
 506
 507     if (style & wxDIRCTRL_EDITABLE)
 508         treeStyle |= wxTR_EDIT_LABELS;
 509
 510 #ifndef __WXMSW__
 511     // FIXME, doesn't work for some reason
 512     treeStyle |= wxTR_HIDE_ROOT;
 513 #endif
 514
 515     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 516         treeStyle |= wxNO_BORDER;
 517
 518     long filterStyle = 0;
 519     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 520         filterStyle |= wxNO_BORDER;
 521
 522     m_treeCtrl = new wxTreeCtrl(this, wxID_TREECTRL, pos, size, treeStyle);
 523
 524     if (!filter.IsEmpty() && (style & wxDIRCTRL_SHOW_FILTERS))
 525         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
 526
 527     m_defaultPath = dir;
 528     m_filter = filter;
 529
 530     SetFilterIndex(defaultFilter);
 531
 532     if (m_filterListCtrl)
 533         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 534
 535     m_imageList = new wxImageList(16, 16, TRUE);
 536     m_imageList->Add(wxIcon(icon1_xpm));
 537     m_imageList->Add(wxIcon(icon2_xpm));
 538     m_imageList->Add(wxIcon(icon3_xpm));
 539     m_imageList->Add(wxIcon(icon4_xpm));
 540     m_imageList->Add(wxIcon(icon5_xpm));
 541     m_imageList->Add(wxIcon(icon6_xpm));
 542     m_imageList->Add(wxIcon(icon7_xpm));
 543     m_imageList->Add(wxIcon(icon8_xpm));
 544     m_treeCtrl->AssignImageList(m_imageList);
 545
 546     m_showHidden = FALSE;
 547     wxDirItemData* rootData = new wxDirItemData(wxT(""), wxT(""), TRUE);
 548
 549     wxString rootName;
 550
 551 #if defined(__WINDOWS__) || defined(__WXPM__) || defined(__DOS__)
 552     rootName = _("Computer");
 553 #else
 554     rootName = _("Sections");
 555 #endif
 556
 557     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 558     m_treeCtrl->SetItemHasChildren(m_rootId);
 559     m_treeCtrl->Expand(m_rootId); // automatically expand first level
 560
 561     // Expand and select the default path
 562     if (!m_defaultPath.IsEmpty())
 563         ExpandPath(m_defaultPath);
 564
 565     DoResize();
 566
 567     return TRUE;
 568 }
 569
 570 wxGenericDirCtrl::~wxGenericDirCtrl()
 571 {
 572 }
 573
 574 void wxGenericDirCtrl::Init()
 575 {
 576     m_showHidden = FALSE;
 577     m_imageList = NULL;
 578     m_currentFilter = 0;
 579     m_currentFilterStr = wxEmptyString; // Default: any file
 580     m_treeCtrl = NULL;
 581     m_filterListCtrl = NULL;
 582 }
 583
 584 void wxGenericDirCtrl::ShowHidden( bool show )
 585 {
 586     m_showHidden = show;
 587
 588     wxString path = GetPath();
 589     m_treeCtrl->Collapse(m_treeCtrl->GetRootItem());
 590     m_treeCtrl->Expand(m_treeCtrl->GetRootItem());
 591     SetPath(path);
 592 }
 593
 594 void wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 595 {
 596     wxDirItemData *dir_item = new wxDirItemData(path,name,TRUE);
 597
 598     wxTreeItemId id = m_treeCtrl->AppendItem( m_rootId, name, imageId, -1, dir_item);
 599
 600     m_treeCtrl->SetItemHasChildren(id);
 601 }
 602
 603 void wxGenericDirCtrl::SetupSections()
 604 {
 605 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 606
 607 #ifdef __WIN32__
 608     wxChar driveBuffer[256];
 609     size_t n = (size_t) GetLogicalDriveStrings(255, driveBuffer);
 610     size_t i = 0;
 611     while (i < n)
 612     {
 613         wxString path, name;
 614         path.Printf(wxT("%c:\\"), driveBuffer[i]);
 615         name.Printf(wxT("(%c:)"), driveBuffer[i]);
 616
 617         int imageId = 4;
 618         int driveType = ::GetDriveType(path);
 619         switch (driveType)
 620         {
 621             case DRIVE_REMOVABLE:
 622                 if (path == wxT("a:\\") || path == wxT("b:\\"))
 623                     imageId = 6; // Floppy
 624                 else
 625                     imageId = 7;
 626                 break;
 627             case DRIVE_FIXED:
 628                 imageId = 4;
 629                 break;
 630             case DRIVE_REMOTE:
 631                 imageId = 4;
 632                 break;
 633             case DRIVE_CDROM:
 634                 imageId = 5;
 635                 break;
 636             default:
 637                 imageId = 4;
 638                 break;
 639         }
 640
 641         AddSection(path, name, imageId);
 642
 643         while (driveBuffer[i] != wxT('\0'))
 644             i ++;
 645         i ++;
 646         if (driveBuffer[i] == wxT('\0'))
 647             break;
 648     }
 649 #else // !__WIN32__
 650     int drive;
 651
 652     /* If we can switch to the drive, it exists. */
 653     for( drive = 1; drive <= 26; drive++ )
 654     {
 655         wxString path, name;
 656         path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
 657         name.Printf(wxT("(%c:)"), (char) (drive + 'A' - 1));
 658
 659         if (wxIsDriveAvailable(path))
 660         {
 661             AddSection(path, name, (drive <= 2) ? 6/*floppy*/ : 4/*disk*/);
 662         }
 663     }
 664 #endif // __WIN32__/!__WIN32__
 665
 666 #elif defined(__WXMAC__)
 667     FSSpec volume ;
 668     short index = 1 ;
 669     while(1) {
 670       short actualCount = 0 ;
 671       if ( OnLine( &volume , 1 , &actualCount , &index ) != noErr || actualCount == 0 )
 672         break ;
 673
 674       wxString name = wxMacFSSpec2MacFilename( &volume ) ;
 675       AddSection(name + wxFILE_SEP_PATH, name, 0);
 676     }
 677 #elif defined(__UNIX__)
 678     AddSection(wxT("/"), wxT("/"), 3/*computer icon*/);
 679 #else
 680     #error "Unsupported platform in wxGenericDirCtrl!"
 681 #endif
 682 }
 683
 684 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 685 {
 686     // don't rename the main entry "Sections"
 687     if (event.GetItem() == m_rootId)
 688     {
 689         event.Veto();
 690         return;
 691     }
 692
 693     // don't rename the individual sections
 694     if (m_treeCtrl->GetParent( event.GetItem() ) == m_rootId)
 695     {
 696         event.Veto();
 697         return;
 698     }
 699 }
 700
 701 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 702 {
 703     if ((event.GetLabel().IsEmpty()) ||
 704         (event.GetLabel() == _(".")) ||
 705         (event.GetLabel() == _("..")) ||
 706         (event.GetLabel().First( wxT("/") ) != wxNOT_FOUND))
 707     {
 708         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 709         dialog.ShowModal();
 710         event.Veto();
 711         return;
 712     }
 713
 714     wxTreeItemId id = event.GetItem();
 715     wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
 716     wxASSERT( data );
 717
 718     wxString new_name( wxPathOnly( data->m_path ) );
 719     new_name += wxString(wxFILE_SEP_PATH);
 720     new_name += event.GetLabel();
 721
 722     wxLogNull log;
 723
 724     if (wxFileExists(new_name))
 725     {
 726         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 727         dialog.ShowModal();
 728         event.Veto();
 729     }
 730
 731     if (wxRenameFile(data->m_path,new_name))
 732     {
 733         data->SetNewDirName( new_name );
 734     }
 735     else
 736     {
 737         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 738         dialog.ShowModal();
 739         event.Veto();
 740     }
 741 }
 742
 743 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 744 {
 745     wxTreeItemId parentId = event.GetItem();
 746
 747     // VS: this is needed because the event handler is called from wxTreeCtrl
 748     //     ctor when wxTR_HIDE_ROOT was specified
 749     if (m_rootId == 0)
 750         m_rootId = m_treeCtrl->GetRootItem();
 751
 752     ExpandDir(parentId);
 753 }
 754
 755 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
 756 {
 757     wxTreeItemId child, parent = event.GetItem();
 758
 759     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(event.GetItem());
 760     if (!data->m_isExpanded)
 761         return;
 762
 763     data->m_isExpanded = FALSE;
 764     long cookie;
 765     /* Workaround because DeleteChildren has disapeared (why?) and
 766      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 767     child = m_treeCtrl->GetFirstChild(parent, cookie);
 768     while (child.IsOk())
 769     {
 770         m_treeCtrl->Delete(child);
 771         /* Not GetNextChild below, because the cookie mechanism can't
 772          * handle disappearing children! */
 773         child = m_treeCtrl->GetFirstChild(parent, cookie);
 774     }
 775 }
 776
 777 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 778 {
 779     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 780
 781     if (data->m_isExpanded)
 782         return;
 783
 784     data->m_isExpanded = TRUE;
 785
 786     if (parentId == m_treeCtrl->GetRootItem())
 787     {
 788         SetupSections();
 789         return;
 790     }
 791
 792     wxASSERT(data);
 793
 794     wxString search,path,filename;
 795
 796     wxString dirName(data->m_path);
 797
 798 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 799     // Check if this is a root directory and if so,
 800     // whether the drive is avaiable.
 801     if (!wxIsDriveAvailable(dirName))
 802     {
 803         data->m_isExpanded = FALSE;
 804         //wxMessageBox(wxT("Sorry, this drive is not available."));
 805         return;
 806     }
 807 #endif
 808
 809     // This may take a longish time. Go to busy cursor
 810     wxBusyCursor busy;
 811
 812 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 813     if (dirName.Last() == ':')
 814         dirName += wxString(wxFILE_SEP_PATH);
 815 #endif
 816
 817     wxArrayString dirs;
 818     wxArrayString filenames;
 819
 820     wxDir d;
 821     wxString eachFilename;
 822
 823     wxLogNull log;
 824     d.Open(dirName);
 825
 826     if (d.IsOpened())
 827     {
 828         int style = wxDIR_DIRS;
 829         if (m_showHidden) style |= wxDIR_HIDDEN;
 830         if (d.GetFirst(& eachFilename, wxEmptyString, style))
 831         {
 832             do
 833             {
 834                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 835                 {
 836                     dirs.Add(eachFilename);
 837                 }
 838             }
 839             while (d.GetNext(& eachFilename));
 840         }
 841     }
 842     dirs.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
 843
 844     // Now do the filenames -- but only if we're allowed to
 845     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 846     {
 847         wxLogNull log;
 848
 849         d.Open(dirName);
 850
 851         if (d.IsOpened())
 852         {
 853             if (d.GetFirst(& eachFilename, m_currentFilterStr, wxDIR_FILES))
 854             {
 855                 do
 856                 {
 857                     if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 858                     {
 859                         filenames.Add(eachFilename);
 860                     }
 861                 }
 862                 while (d.GetNext(& eachFilename));
 863             }
 864         }
 865         filenames.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
 866     }
 867
 868     // Add the sorted dirs
 869     size_t i;
 870     for (i = 0; i < dirs.Count(); i++)
 871     {
 872         wxString eachFilename(dirs[i]);
 873         path = dirName;
 874         if (path.Last() != wxFILE_SEP_PATH)
 875             path += wxString(wxFILE_SEP_PATH);
 876         path += eachFilename;
 877
 878         wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,TRUE);
 879         wxTreeItemId id = m_treeCtrl->AppendItem( parentId, eachFilename, 0, -1, dir_item);
 880         m_treeCtrl->SetItemImage( id, 1, wxTreeItemIcon_Expanded );
 881
 882         // Has this got any children? If so, make it expandable.
 883         // (There are two situations when a dir has children: either it
 884         // has subdirectories or it contains files that weren't filtered
 885         // out. The latter only applies to dirctrl with files.)
 886         if ( dir_item->HasSubDirs() ||
 887              (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
 888                dir_item->HasFiles(m_currentFilterStr)) )
 889         {
 890             m_treeCtrl->SetItemHasChildren(id);
 891         }
 892     }
 893
 894     // Add the sorted filenames
 895     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 896     {
 897         for (i = 0; i < filenames.Count(); i++)
 898         {
 899             wxString eachFilename(filenames[i]);
 900             path = dirName;
 901             if (path.Last() != wxFILE_SEP_PATH)
 902                 path += wxString(wxFILE_SEP_PATH);
 903             path += eachFilename;
 904             //path = dirName + wxString(wxT("/")) + eachFilename;
 905             wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,FALSE);
 906             (void)m_treeCtrl->AppendItem( parentId, eachFilename, 2, -1, dir_item);
 907         }
 908     }
 909 }
 910
 911 // Find the child that matches the first part of 'path'.
 912 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 913 // then the child for /usr is returned.
 914 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 915 {
 916     wxString path2(path);
 917
 918     // Make sure all separators are as per the current platform
 919     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 920     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 921
 922     // Append a separator to foil bogus substring matching
 923     path2 += wxString(wxFILE_SEP_PATH);
 924
 925     // In MSW or PM, case is not significant
 926 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 927     path2.MakeLower();
 928 #endif
 929
 930     long cookie;
 931     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 932     while (childId.IsOk())
 933     {
 934         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 935
 936         if (data && !data->m_path.IsEmpty())
 937         {
 938             wxString childPath(data->m_path);
 939             if (childPath.Last() != wxFILE_SEP_PATH)
 940                 childPath += wxString(wxFILE_SEP_PATH);
 941
 942             // In MSW and PM, case is not significant
 943 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 944             childPath.MakeLower();
 945 #endif
 946
 947             if (childPath.Len() <= path2.Len())
 948             {
 949                 wxString path3 = path2.Mid(0, childPath.Len());
 950                 if (childPath == path3)
 951                 {
 952                     if (path3.Len() == path2.Len())
 953                         done = TRUE;
 954                     else
 955                         done = FALSE;
 956                     return childId;
 957                 }
 958             }
 959         }
 960
 961         childId = m_treeCtrl->GetNextChild(parentId, cookie);
 962     }
 963     wxTreeItemId invalid;
 964     return invalid;
 965 }
 966
 967 // Try to expand as much of the given path as possible,
 968 // and select the given tree item.
 969 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
 970 {
 971     bool done = FALSE;
 972     wxTreeItemId id = FindChild(m_rootId, path, done);
 973     wxTreeItemId lastId = id; // The last non-zero id
 974     while (id.IsOk() && !done)
 975     {
 976         ExpandDir(id);
 977
 978         id = FindChild(id, path, done);
 979         if (id.IsOk())
 980             lastId = id;
 981     }
 982     if (lastId.IsOk())
 983     {
 984         wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
 985         if (data->m_isDir)
 986         {
 987             m_treeCtrl->Expand(lastId);
 988         }
 989         if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
 990         {
 991             // Find the first file in this directory
 992             long cookie;
 993             wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
 994             bool selectedChild = FALSE;
 995             while (childId.IsOk())
 996             {
 997                 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 998
 999                 if (data && data->m_path != "" && !data->m_isDir)
1000                 {
1001                     m_treeCtrl->SelectItem(childId);
1002                     m_treeCtrl->EnsureVisible(childId);
1003                     selectedChild = TRUE;
1004                     break;
1005                 }
1006                 childId = m_treeCtrl->GetNextChild(lastId, cookie);
1007             }
1008             if (!selectedChild)
1009             {
1010                 m_treeCtrl->SelectItem(lastId);
1011                 m_treeCtrl->EnsureVisible(lastId);
1012             }
1013         }
1014         else
1015         {
1016             m_treeCtrl->SelectItem(lastId);
1017             m_treeCtrl->EnsureVisible(lastId);
1018         }
1019
1020         return TRUE;
1021     }
1022     else
1023         return FALSE;
1024 }
1025
1026 wxString wxGenericDirCtrl::GetPath() const
1027 {
1028     wxTreeItemId id = m_treeCtrl->GetSelection();
1029     if (id)
1030     {
1031         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1032         return data->m_path;
1033     }
1034     else
1035         return wxEmptyString;
1036 }
1037
1038 wxString wxGenericDirCtrl::GetFilePath() const
1039 {
1040     wxTreeItemId id = m_treeCtrl->GetSelection();
1041     if (id)
1042     {
1043         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1044         if (data->m_isDir)
1045             return wxEmptyString;
1046         else
1047             return data->m_path;
1048     }
1049     else
1050         return wxEmptyString;
1051 }
1052
1053 void wxGenericDirCtrl::SetPath(const wxString& path)
1054 {
1055     m_defaultPath = path;
1056     if (m_rootId)
1057         ExpandPath(path);
1058 }
1059
1060 // Not used
1061 #if 0
1062 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1063 {
1064     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1065
1066     // This may take a longish time. Go to busy cursor
1067     wxBusyCursor busy;
1068
1069     wxASSERT(data);
1070
1071     wxString search,path,filename;
1072
1073     wxString dirName(data->m_path);
1074
1075 #if defined(__WXMSW__) || defined(__WXPM__)
1076     if (dirName.Last() == ':')
1077         dirName += wxString(wxFILE_SEP_PATH);
1078 #endif
1079
1080     wxDir d;
1081     wxString eachFilename;
1082
1083     wxLogNull log;
1084     d.Open(dirName);
1085
1086     if (d.IsOpened())
1087     {
1088         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1089         {
1090             do
1091             {
1092                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1093                 {
1094                     filenames.Add(eachFilename);
1095                 }
1096             }
1097             while (d.GetNext(& eachFilename)) ;
1098         }
1099     }
1100 }
1101 #endif
1102
1103 void wxGenericDirCtrl::SetFilterIndex(int n)
1104 {
1105     m_currentFilter = n;
1106
1107     wxString f, d;
1108     if (ExtractWildcard(m_filter, n, f, d))
1109         m_currentFilterStr = f;
1110     else
1111         m_currentFilterStr = wxT("*.*");
1112 }
1113
1114 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1115 {
1116     m_filter = filter;
1117
1118     wxString f, d;
1119     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1120         m_currentFilterStr = f;
1121     else
1122         m_currentFilterStr = wxT("*.*");
1123 }
1124
1125 // Extract description and actual filter from overall filter string
1126 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1127 {
1128     wxArrayString filters, descriptions;
1129     int count = ParseFilter(filterStr, filters, descriptions);
1130     if (count > 0 && n < count)
1131     {
1132         filter = filters[n];
1133         description = descriptions[n];
1134         return TRUE;
1135     }
1136
1137     return FALSE;
1138 }
1139
1140 // Parses the global filter, returning the number of filters.
1141 // Returns 0 if none or if there's a problem.
1142 // filterStr is in the form:
1143 //
1144 // "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1145
1146 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1147 {
1148     wxString str(filterStr);
1149
1150     wxString description, filter;
1151     int pos;
1152     bool finished = FALSE;
1153     do
1154     {
1155         pos = str.Find(wxT('|'));
1156         if (pos == -1)
1157             return 0; // Problem
1158         description = str.Left(pos);
1159         str = str.Mid(pos+1);
1160         pos = str.Find(wxT('|'));
1161         if (pos == -1)
1162         {
1163             filter = str;
1164             finished = TRUE;
1165         }
1166         else
1167         {
1168             filter = str.Left(pos);
1169             str = str.Mid(pos+1);
1170         }
1171         descriptions.Add(description);
1172         filters.Add(filter);
1173     }
1174     while (!finished) ;
1175
1176     return filters.Count();
1177 }
1178
1179 void wxGenericDirCtrl::DoResize()
1180 {
1181     wxSize sz = GetClientSize();
1182     int verticalSpacing = 3;
1183     if (m_treeCtrl)
1184     {
1185         wxSize filterSz ;
1186         if (m_filterListCtrl)
1187         {
1188 #ifdef __WXMSW__
1189             // For some reason, this is required in order for the
1190             // correct control height to always be returned, rather
1191             // than the drop-down list height which is sometimes returned.
1192             wxSize oldSize = m_filterListCtrl->GetSize();
1193             m_filterListCtrl->SetSize(-1, -1, oldSize.x+10, -1, wxSIZE_USE_EXISTING);
1194             m_filterListCtrl->SetSize(-1, -1, oldSize.x, -1, wxSIZE_USE_EXISTING);
1195 #endif
1196             filterSz = m_filterListCtrl->GetSize();
1197             sz.y -= (filterSz.y + verticalSpacing);
1198         }
1199         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1200         if (m_filterListCtrl)
1201         {
1202             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1203             // Don't know why, but this needs refreshing after a resize (wxMSW)
1204             m_filterListCtrl->Refresh();
1205         }
1206     }
1207 }
1208
1209
1210 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1211 {
1212     DoResize();
1213 }
1214
1215 //-----------------------------------------------------------------------------
1216 // wxDirFilterListCtrl
1217 //-----------------------------------------------------------------------------
1218
1219 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1220
1221 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1222     EVT_CHOICE(-1, wxDirFilterListCtrl::OnSelFilter)
1223 END_EVENT_TABLE()
1224
1225 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1226               const wxPoint& pos,
1227               const wxSize& size,
1228               long style)
1229 {
1230     m_dirCtrl = parent;
1231     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1232 }
1233
1234 void wxDirFilterListCtrl::Init()
1235 {
1236     m_dirCtrl = NULL;
1237 }
1238
1239 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1240 {
1241     int sel = GetSelection();
1242
1243     wxString currentPath = m_dirCtrl->GetPath();
1244
1245     m_dirCtrl->SetFilterIndex(sel);
1246
1247     // If the filter has changed, the view is out of date, so
1248     // collapse the tree.
1249     m_dirCtrl->GetTreeCtrl()->Collapse(m_dirCtrl->GetRootId());
1250     m_dirCtrl->GetTreeCtrl()->Expand(m_dirCtrl->GetRootId());
1251
1252     // Try to restore the selection, or at least the directory
1253     m_dirCtrl->ExpandPath(currentPath);
1254 }
1255
1256 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1257 {
1258     Clear();
1259     wxArrayString descriptions, filters;
1260     size_t n = (size_t) m_dirCtrl->ParseFilter(filter, filters, descriptions);
1261
1262     if (n > 0 && defaultFilter < (int) n)
1263     {
1264         size_t i = 0;
1265         for (i = 0; i < n; i++)
1266             Append(descriptions[i]);
1267         SetSelection(defaultFilter);
1268     }
1269 }
1270
1271 #endif // wxUSE_DIRDLG