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 #define wxID_TREECTRL          7000
 316 #define wxID_FILTERLISTCTRL    7001
 317
 318 #if defined(__DOS__)
 319
 320 bool wxIsDriveAvailable(const wxString& dirName)
 321 {
 322     // FIXME_MGL - this method leads to hang up under Watcom for some reason
 323 #ifndef __WATCOMC__
 324     if ( dirName.Len() == 3 && dirName[1u] == wxT(':') )
 325     {
 326         wxString dirNameLower(dirName.Lower());
 327         // VS: always return TRUE for removable media, since Win95 doesn't
 328         //     like it when MS-DOS app accesses empty floppy drive
 329         return (dirNameLower[0u] == wxT('a') ||
 330                 dirNameLower[0u] == wxT('b') ||
 331                 wxPathExists(dirNameLower));
 332     }
 333     else
 334 #endif
 335         return TRUE;
 336 }
 337
 338 #elif defined(__WINDOWS__) || defined(__WXPM__)
 339
 340 int setdrive(int drive)
 341 {
 342 #if defined(__GNUWIN32__) && \
 343     (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 344     return _chdrive(drive);
 345 #else
 346         wxChar  newdrive[3];
 347
 348         if (drive < 1 || drive > 31)
 349                 return -1;
 350         newdrive[0] = (wxChar)(wxT('A') + drive - 1);
 351         newdrive[1] = wxT(':');
 352         newdrive[2] = wxT('\0');
 353 #if defined(__WXMSW__)
 354 #ifdef __WIN16__
 355     if (wxSetWorkingDirectory(newdrive))
 356 #else
 357         if (::SetCurrentDirectory(newdrive))
 358 #endif
 359 #else
 360     // VA doesn't know what LPSTR is and has its own set
 361         if (DosSetCurrentDir((PSZ)newdrive))
 362 #endif
 363                 return 0;
 364         else
 365                 return -1;
 366 #endif // !GNUWIN32
 367 }
 368
 369 bool wxIsDriveAvailable(const wxString& dirName)
 370 {
 371 #ifdef __WIN32__
 372     UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
 373 #endif
 374     bool success = TRUE;
 375
 376     // Check if this is a root directory and if so,
 377     // whether the drive is avaiable.
 378     if (dirName.Len() == 3 && dirName[(size_t)1] == wxT(':'))
 379     {
 380         wxString dirNameLower(dirName.Lower());
 381 #if defined(__GNUWIN32__) && \
 382     !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 383         success = wxPathExists(dirNameLower);
 384 #else
 385         int currentDrive = _getdrive();
 386         int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
 387         int err = setdrive( thisDrive ) ;
 388         setdrive( currentDrive );
 389
 390         if (err == -1)
 391         {
 392             success = FALSE;
 393         }
 394 #endif
 395     }
 396 #ifdef __WIN32__
 397     (void) SetErrorMode(errorMode);
 398 #endif
 399
 400     return success;
 401 }
 402 #endif // __WINDOWS__ || __WXPM__
 403
 404 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
 405 // and sort regardless of case.
 406 static int LINKAGEMODE wxDirCtrlStringCompareFunction(const void *first, const void *second)
 407 {
 408     wxString *strFirst = (wxString *)first;
 409     wxString *strSecond = (wxString *)second;
 410
 411     return strFirst->CmpNoCase(*strSecond);
 412 }
 413
 414 //-----------------------------------------------------------------------------
 415 // wxDirItemData
 416 //-----------------------------------------------------------------------------
 417
 418 wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
 419                              bool isDir)
 420 {
 421     m_path = path;
 422     m_name = name;
 423     /* Insert logic to detect hidden files here
 424      * In UnixLand we just check whether the first char is a dot
 425      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 426     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 427     m_isHidden = FALSE;
 428     m_isExpanded = FALSE;
 429     m_isDir = isDir;
 430 }
 431
 432 wxDirItemData::~wxDirItemData()
 433 {
 434 }
 435
 436 void wxDirItemData::SetNewDirName(const wxString& path)
 437 {
 438     m_path = path;
 439     m_name = wxFileNameFromPath(path);
 440 }
 441
 442 bool wxDirItemData::HasSubDirs() const
 443 {
 444     if (m_path.IsEmpty())
 445         return FALSE;
 446
 447     wxDir dir;
 448     {
 449         wxLogNull nolog;
 450         if ( !dir.Open(m_path) )
 451             return FALSE;
 452     }
 453
 454     return dir.HasSubDirs();
 455 }
 456
 457 bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
 458 {
 459     if (m_path.IsEmpty())
 460         return FALSE;
 461
 462     wxDir dir;
 463     {
 464         wxLogNull nolog;
 465         if ( !dir.Open(m_path) )
 466             return FALSE;
 467     }
 468
 469     return dir.HasFiles();
 470 }
 471
 472 //-----------------------------------------------------------------------------
 473 // wxGenericDirCtrl
 474 //-----------------------------------------------------------------------------
 475
 476 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 477
 478 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 479   EVT_TREE_ITEM_EXPANDING     (-1, wxGenericDirCtrl::OnExpandItem)
 480   EVT_TREE_ITEM_COLLAPSED     (-1, wxGenericDirCtrl::OnCollapseItem)
 481   EVT_TREE_BEGIN_LABEL_EDIT   (-1, wxGenericDirCtrl::OnBeginEditItem)
 482   EVT_TREE_END_LABEL_EDIT     (-1, wxGenericDirCtrl::OnEndEditItem)
 483   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 484 END_EVENT_TABLE()
 485
 486 wxGenericDirCtrl::wxGenericDirCtrl(void)
 487 {
 488     Init();
 489 }
 490
 491 bool wxGenericDirCtrl::Create(wxWindow *parent,
 492                               const wxWindowID id,
 493                               const wxString& dir,
 494                               const wxPoint& pos,
 495                               const wxSize& size,
 496                               long style,
 497                               const wxString& filter,
 498                               int defaultFilter,
 499                               const wxString& name)
 500 {
 501     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 502         return FALSE;
 503
 504     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 505
 506     Init();
 507
 508     long treeStyle = wxTR_HAS_BUTTONS | wxTR_EDIT_LABELS | wxTR_HIDE_ROOT;
 509     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 510         treeStyle |= wxNO_BORDER;
 511
 512     long filterStyle = 0;
 513     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 514         filterStyle |= wxNO_BORDER;
 515
 516     m_treeCtrl = new wxTreeCtrl(this, wxID_TREECTRL, pos, size, treeStyle);
 517
 518     if (!filter.IsEmpty() && (style & wxDIRCTRL_SHOW_FILTERS))
 519         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
 520
 521     m_defaultPath = dir;
 522     m_filter = filter;
 523
 524     SetFilterIndex(defaultFilter);
 525
 526     if (m_filterListCtrl)
 527         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 528
 529     m_imageList = new wxImageList(16, 16, TRUE);
 530     m_imageList->Add(wxIcon(icon1_xpm));
 531     m_imageList->Add(wxIcon(icon2_xpm));
 532     m_imageList->Add(wxIcon(icon3_xpm));
 533     m_imageList->Add(wxIcon(icon4_xpm));
 534     m_imageList->Add(wxIcon(icon5_xpm));
 535     m_imageList->Add(wxIcon(icon6_xpm));
 536     m_imageList->Add(wxIcon(icon7_xpm));
 537     m_imageList->Add(wxIcon(icon8_xpm));
 538     m_treeCtrl->AssignImageList(m_imageList);
 539
 540     m_showHidden = FALSE;
 541     wxDirItemData* rootData = new wxDirItemData(wxT(""), wxT(""), TRUE);
 542
 543     wxString rootName;
 544
 545 #if defined(__WINDOWS__) || defined(__WXPM__) || defined(__DOS__)
 546     rootName = _("Computer");
 547 #else
 548     rootName = _("Sections");
 549 #endif
 550
 551     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 552     m_treeCtrl->SetItemHasChildren(m_rootId);
 553     m_treeCtrl->Expand(m_rootId); // automatically expand first level
 554
 555     // Expand and select the default path
 556     if (!m_defaultPath.IsEmpty())
 557         ExpandPath(m_defaultPath);
 558
 559     DoResize();
 560
 561     return TRUE;
 562 }
 563
 564 wxGenericDirCtrl::~wxGenericDirCtrl()
 565 {
 566 }
 567
 568 void wxGenericDirCtrl::Init()
 569 {
 570     m_showHidden = FALSE;
 571     m_imageList = NULL;
 572     m_currentFilter = 0;
 573     m_currentFilterStr = wxEmptyString; // Default: any file
 574     m_treeCtrl = NULL;
 575     m_filterListCtrl = NULL;
 576 }
 577
 578 void wxGenericDirCtrl::ShowHidden( bool show )
 579 {
 580     m_showHidden = show;
 581
 582     wxString path = GetPath();
 583     m_treeCtrl->Collapse(m_treeCtrl->GetRootItem());
 584     m_treeCtrl->Expand(m_treeCtrl->GetRootItem());
 585     SetPath(path);
 586 }
 587
 588 void wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 589 {
 590     wxDirItemData *dir_item = new wxDirItemData(path,name,TRUE);
 591
 592     wxTreeItemId id = m_treeCtrl->AppendItem( m_rootId, name, imageId, -1, dir_item);
 593
 594     m_treeCtrl->SetItemHasChildren(id);
 595 }
 596
 597 void wxGenericDirCtrl::SetupSections()
 598 {
 599 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 600
 601 #ifdef __WIN32__
 602     wxChar driveBuffer[256];
 603     size_t n = (size_t) GetLogicalDriveStrings(255, driveBuffer);
 604     size_t i = 0;
 605     while (i < n)
 606     {
 607         wxString path, name;
 608         path.Printf(wxT("%c:\\"), driveBuffer[i]);
 609         name.Printf(wxT("(%c:)"), driveBuffer[i]);
 610
 611         int imageId = 4;
 612         int driveType = ::GetDriveType(path);
 613         switch (driveType)
 614         {
 615             case DRIVE_REMOVABLE:
 616                 if (path == wxT("a:\\") || path == wxT("b:\\"))
 617                     imageId = 6; // Floppy
 618                 else
 619                     imageId = 7;
 620                 break;
 621             case DRIVE_FIXED:
 622                 imageId = 4;
 623                 break;
 624             case DRIVE_REMOTE:
 625                 imageId = 4;
 626                 break;
 627             case DRIVE_CDROM:
 628                 imageId = 5;
 629                 break;
 630             default:
 631                 imageId = 4;
 632                 break;
 633         }
 634
 635         AddSection(path, name, imageId);
 636
 637         while (driveBuffer[i] != wxT('\0'))
 638             i ++;
 639         i ++;
 640         if (driveBuffer[i] == wxT('\0'))
 641             break;
 642     }
 643 #else // !__WIN32__
 644     int drive;
 645
 646     /* If we can switch to the drive, it exists. */
 647     for( drive = 1; drive <= 26; drive++ )
 648     {
 649         wxString path, name;
 650         path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
 651         name.Printf(wxT("(%c:)"), (char) (drive + 'A' - 1));
 652
 653         if (wxIsDriveAvailable(path))
 654         {
 655             AddSection(path, name, (drive <= 2) ? 6/*floppy*/ : 4/*disk*/);
 656         }
 657     }
 658 #endif // __WIN32__/!__WIN32__
 659
 660 #elif defined(__WXMAC__)
 661     FSSpec volume ;
 662     short index = 1 ;
 663     while(1) {
 664       short actualCount = 0 ;
 665       if ( OnLine( &volume , 1 , &actualCount , &index ) != noErr || actualCount == 0 )
 666         break ;
 667
 668       wxString name = wxMacFSSpec2MacFilename( &volume ) ;
 669       AddSection(name + wxFILE_SEP_PATH, name, 0);
 670     }
 671 #elif defined(__UNIX__)
 672     AddSection(wxT("/"), wxT("/"), 3/*computer icon*/);
 673 #else
 674     #error "Unsupported platform in wxGenericDirCtrl!"
 675 #endif
 676 }
 677
 678 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 679 {
 680     // don't rename the main entry "Sections"
 681     if (event.GetItem() == m_rootId)
 682     {
 683         event.Veto();
 684         return;
 685     }
 686
 687     // don't rename the individual sections
 688     if (m_treeCtrl->GetParent( event.GetItem() ) == m_rootId)
 689     {
 690         event.Veto();
 691         return;
 692     }
 693 }
 694
 695 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 696 {
 697     if ((event.GetLabel().IsEmpty()) ||
 698         (event.GetLabel() == _(".")) ||
 699         (event.GetLabel() == _("..")) ||
 700         (event.GetLabel().First( wxT("/") ) != wxNOT_FOUND))
 701     {
 702         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 703         dialog.ShowModal();
 704         event.Veto();
 705         return;
 706     }
 707
 708     wxTreeItemId id = event.GetItem();
 709     wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
 710     wxASSERT( data );
 711
 712     wxString new_name( wxPathOnly( data->m_path ) );
 713     new_name += wxString(wxFILE_SEP_PATH);
 714     new_name += event.GetLabel();
 715
 716     wxLogNull log;
 717
 718     if (wxFileExists(new_name))
 719     {
 720         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 721         dialog.ShowModal();
 722         event.Veto();
 723     }
 724
 725     if (wxRenameFile(data->m_path,new_name))
 726     {
 727         data->SetNewDirName( new_name );
 728     }
 729     else
 730     {
 731         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 732         dialog.ShowModal();
 733         event.Veto();
 734     }
 735 }
 736
 737 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 738 {
 739     wxTreeItemId parentId = event.GetItem();
 740
 741     // VS: this is needed because the event handler is called from wxTreeCtrl
 742     //     ctor when wxTR_HIDE_ROOT was specified
 743     if (m_rootId == 0)
 744         m_rootId = m_treeCtrl->GetRootItem();
 745
 746     ExpandDir(parentId);
 747 }
 748
 749 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
 750 {
 751     wxTreeItemId child, parent = event.GetItem();
 752
 753     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(event.GetItem());
 754     if (!data->m_isExpanded)
 755         return;
 756
 757     data->m_isExpanded = FALSE;
 758     long cookie;
 759     /* Workaround because DeleteChildren has disapeared (why?) and
 760      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 761     child = m_treeCtrl->GetFirstChild(parent, cookie);
 762     while (child.IsOk())
 763     {
 764         m_treeCtrl->Delete(child);
 765         /* Not GetNextChild below, because the cookie mechanism can't
 766          * handle disappearing children! */
 767         child = m_treeCtrl->GetFirstChild(parent, cookie);
 768     }
 769 }
 770
 771 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 772 {
 773     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 774
 775     if (data->m_isExpanded)
 776         return;
 777
 778     data->m_isExpanded = TRUE;
 779
 780     if (parentId == m_treeCtrl->GetRootItem())
 781     {
 782         SetupSections();
 783         return;
 784     }
 785
 786     wxASSERT(data);
 787
 788     wxString search,path,filename;
 789
 790     wxString dirName(data->m_path);
 791
 792 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 793     // Check if this is a root directory and if so,
 794     // whether the drive is avaiable.
 795     if (!wxIsDriveAvailable(dirName))
 796     {
 797         data->m_isExpanded = FALSE;
 798         //wxMessageBox(wxT("Sorry, this drive is not available."));
 799         return;
 800     }
 801 #endif
 802
 803     // This may take a longish time. Go to busy cursor
 804     wxBusyCursor busy;
 805
 806 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 807     if (dirName.Last() == ':')
 808         dirName += wxString(wxFILE_SEP_PATH);
 809 #endif
 810
 811     wxArrayString dirs;
 812     wxArrayString filenames;
 813
 814     wxDir d;
 815     wxString eachFilename;
 816
 817     wxLogNull log;
 818     d.Open(dirName);
 819
 820     if (d.IsOpened())
 821     {
 822         int style = wxDIR_DIRS;
 823         if (m_showHidden) style |= wxDIR_HIDDEN;
 824         if (d.GetFirst(& eachFilename, wxEmptyString, style))
 825         {
 826             do
 827             {
 828                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 829                 {
 830                     dirs.Add(eachFilename);
 831                 }
 832             }
 833             while (d.GetNext(& eachFilename));
 834         }
 835     }
 836     dirs.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
 837
 838     // Now do the filenames -- but only if we're allowed to
 839     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 840     {
 841         wxLogNull log;
 842
 843         d.Open(dirName);
 844
 845         if (d.IsOpened())
 846         {
 847             if (d.GetFirst(& eachFilename, m_currentFilterStr, wxDIR_FILES))
 848             {
 849                 do
 850                 {
 851                     if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 852                     {
 853                         filenames.Add(eachFilename);
 854                     }
 855                 }
 856                 while (d.GetNext(& eachFilename));
 857             }
 858         }
 859         filenames.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
 860     }
 861
 862     // Add the sorted dirs
 863     size_t i;
 864     for (i = 0; i < dirs.Count(); i++)
 865     {
 866         wxString eachFilename(dirs[i]);
 867         path = dirName;
 868         if (path.Last() != wxFILE_SEP_PATH)
 869             path += wxString(wxFILE_SEP_PATH);
 870         path += eachFilename;
 871
 872         wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,TRUE);
 873         wxTreeItemId id = m_treeCtrl->AppendItem( parentId, eachFilename, 0, -1, dir_item);
 874         m_treeCtrl->SetItemImage( id, 1, wxTreeItemIcon_Expanded );
 875
 876         // Has this got any children? If so, make it expandable.
 877         // (There are two situations when a dir has children: either it
 878         // has subdirectories or it contains files that weren't filtered
 879         // out. The latter only applies to dirctrl with files.)
 880         if ( dir_item->HasSubDirs() ||
 881              (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
 882                dir_item->HasFiles(m_currentFilterStr)) )
 883         {
 884             m_treeCtrl->SetItemHasChildren(id);
 885         }
 886     }
 887
 888     // Add the sorted filenames
 889     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 890     {
 891         for (i = 0; i < filenames.Count(); i++)
 892         {
 893             wxString eachFilename(filenames[i]);
 894             path = dirName;
 895             if (path.Last() != wxFILE_SEP_PATH)
 896                 path += wxString(wxFILE_SEP_PATH);
 897             path += eachFilename;
 898             //path = dirName + wxString(wxT("/")) + eachFilename;
 899             wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,FALSE);
 900             (void)m_treeCtrl->AppendItem( parentId, eachFilename, 2, -1, dir_item);
 901         }
 902     }
 903 }
 904
 905 // Find the child that matches the first part of 'path'.
 906 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 907 // then the child for /usr is returned.
 908 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 909 {
 910     wxString path2(path);
 911
 912     // Make sure all separators are as per the current platform
 913     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 914     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 915
 916     // Append a separator to foil bogus substring matching
 917     path2 += wxString(wxFILE_SEP_PATH);
 918
 919     // In MSW or PM, case is not significant
 920 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 921     path2.MakeLower();
 922 #endif
 923
 924     long cookie;
 925     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 926     while (childId.IsOk())
 927     {
 928         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 929
 930         if (data && !data->m_path.IsEmpty())
 931         {
 932             wxString childPath(data->m_path);
 933             if (childPath.Last() != wxFILE_SEP_PATH)
 934                 childPath += wxString(wxFILE_SEP_PATH);
 935
 936             // In MSW and PM, case is not significant
 937 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 938             childPath.MakeLower();
 939 #endif
 940
 941             if (childPath.Len() <= path2.Len())
 942             {
 943                 wxString path3 = path2.Mid(0, childPath.Len());
 944                 if (childPath == path3)
 945                 {
 946                     if (path3.Len() == path2.Len())
 947                         done = TRUE;
 948                     else
 949                         done = FALSE;
 950                     return childId;
 951                 }
 952             }
 953         }
 954
 955         childId = m_treeCtrl->GetNextChild(parentId, cookie);
 956     }
 957     wxTreeItemId invalid;
 958     return invalid;
 959 }
 960
 961 // Try to expand as much of the given path as possible,
 962 // and select the given tree item.
 963 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
 964 {
 965     bool done = FALSE;
 966     wxTreeItemId id = FindChild(m_rootId, path, done);
 967     wxTreeItemId lastId = id; // The last non-zero id
 968     while (id.IsOk() && !done)
 969     {
 970         ExpandDir(id);
 971
 972         id = FindChild(id, path, done);
 973         if (id.IsOk())
 974             lastId = id;
 975     }
 976     if (lastId.IsOk())
 977     {
 978         wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
 979         if (data->m_isDir)
 980         {
 981             m_treeCtrl->Expand(lastId);
 982         }
 983         if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
 984         {
 985             // Find the first file in this directory
 986             long cookie;
 987             wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
 988             bool selectedChild = FALSE;
 989             while (childId.IsOk())
 990             {
 991                 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 992
 993                 if (data && data->m_path != "" && !data->m_isDir)
 994                 {
 995                     m_treeCtrl->SelectItem(childId);
 996                     m_treeCtrl->EnsureVisible(childId);
 997                     selectedChild = TRUE;
 998                     break;
 999                 }
1000                 childId = m_treeCtrl->GetNextChild(lastId, cookie);
1001             }
1002             if (!selectedChild)
1003             {
1004                 m_treeCtrl->SelectItem(lastId);
1005                 m_treeCtrl->EnsureVisible(lastId);
1006             }
1007         }
1008         else
1009         {
1010             m_treeCtrl->SelectItem(lastId);
1011             m_treeCtrl->EnsureVisible(lastId);
1012         }
1013
1014         return TRUE;
1015     }
1016     else
1017         return FALSE;
1018 }
1019
1020 wxString wxGenericDirCtrl::GetPath() const
1021 {
1022     wxTreeItemId id = m_treeCtrl->GetSelection();
1023     if (id)
1024     {
1025         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1026         return data->m_path;
1027     }
1028     else
1029         return wxEmptyString;
1030 }
1031
1032 wxString wxGenericDirCtrl::GetFilePath() const
1033 {
1034     wxTreeItemId id = m_treeCtrl->GetSelection();
1035     if (id)
1036     {
1037         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1038         if (data->m_isDir)
1039             return wxEmptyString;
1040         else
1041             return data->m_path;
1042     }
1043     else
1044         return wxEmptyString;
1045 }
1046
1047 void wxGenericDirCtrl::SetPath(const wxString& path)
1048 {
1049     m_defaultPath = path;
1050     if (m_rootId)
1051         ExpandPath(path);
1052 }
1053
1054 // Not used
1055 #if 0
1056 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1057 {
1058     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1059
1060     // This may take a longish time. Go to busy cursor
1061     wxBusyCursor busy;
1062
1063     wxASSERT(data);
1064
1065     wxString search,path,filename;
1066
1067     wxString dirName(data->m_path);
1068
1069 #if defined(__WXMSW__) || defined(__WXPM__)
1070     if (dirName.Last() == ':')
1071         dirName += wxString(wxFILE_SEP_PATH);
1072 #endif
1073
1074     wxDir d;
1075     wxString eachFilename;
1076
1077     wxLogNull log;
1078     d.Open(dirName);
1079
1080     if (d.IsOpened())
1081     {
1082         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1083         {
1084             do
1085             {
1086                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1087                 {
1088                     filenames.Add(eachFilename);
1089                 }
1090             }
1091             while (d.GetNext(& eachFilename)) ;
1092         }
1093     }
1094 }
1095 #endif
1096
1097 void wxGenericDirCtrl::SetFilterIndex(int n)
1098 {
1099     m_currentFilter = n;
1100
1101     wxString f, d;
1102     if (ExtractWildcard(m_filter, n, f, d))
1103         m_currentFilterStr = f;
1104     else
1105         m_currentFilterStr = wxT("*.*");
1106 }
1107
1108 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1109 {
1110     m_filter = filter;
1111
1112     wxString f, d;
1113     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1114         m_currentFilterStr = f;
1115     else
1116         m_currentFilterStr = wxT("*.*");
1117 }
1118
1119 // Extract description and actual filter from overall filter string
1120 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1121 {
1122     wxArrayString filters, descriptions;
1123     int count = ParseFilter(filterStr, filters, descriptions);
1124     if (count > 0 && n < count)
1125     {
1126         filter = filters[n];
1127         description = descriptions[n];
1128         return TRUE;
1129     }
1130
1131     return FALSE;
1132 }
1133
1134 // Parses the global filter, returning the number of filters.
1135 // Returns 0 if none or if there's a problem.
1136 // filterStr is in the form:
1137 //
1138 // "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1139
1140 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1141 {
1142     wxString str(filterStr);
1143
1144     wxString description, filter;
1145     int pos;
1146     bool finished = FALSE;
1147     do
1148     {
1149         pos = str.Find(wxT('|'));
1150         if (pos == -1)
1151             return 0; // Problem
1152         description = str.Left(pos);
1153         str = str.Mid(pos+1);
1154         pos = str.Find(wxT('|'));
1155         if (pos == -1)
1156         {
1157             filter = str;
1158             finished = TRUE;
1159         }
1160         else
1161         {
1162             filter = str.Left(pos);
1163             str = str.Mid(pos+1);
1164         }
1165         descriptions.Add(description);
1166         filters.Add(filter);
1167     }
1168     while (!finished) ;
1169
1170     return filters.Count();
1171 }
1172
1173 void wxGenericDirCtrl::DoResize()
1174 {
1175     wxSize sz = GetClientSize();
1176     int verticalSpacing = 3;
1177     if (m_treeCtrl)
1178     {
1179         wxSize filterSz ;
1180         if (m_filterListCtrl)
1181         {
1182             filterSz = m_filterListCtrl->GetSize();
1183             sz.y -= (filterSz.y + verticalSpacing);
1184         }
1185         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1186         if (m_filterListCtrl)
1187         {
1188             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1189             // Don't know why, but this needs refreshing after a resize (wxMSW)
1190             m_filterListCtrl->Refresh();
1191         }
1192     }
1193 }
1194
1195
1196 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1197 {
1198     DoResize();
1199 }
1200
1201 //-----------------------------------------------------------------------------
1202 // wxDirFilterListCtrl
1203 //-----------------------------------------------------------------------------
1204
1205 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1206
1207 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1208     EVT_CHOICE(-1, wxDirFilterListCtrl::OnSelFilter)
1209 END_EVENT_TABLE()
1210
1211 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1212               const wxPoint& pos,
1213               const wxSize& size,
1214               long style)
1215 {
1216     m_dirCtrl = parent;
1217     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1218 }
1219
1220 void wxDirFilterListCtrl::Init()
1221 {
1222     m_dirCtrl = NULL;
1223 }
1224
1225 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1226 {
1227     int sel = GetSelection();
1228
1229     wxString currentPath = m_dirCtrl->GetPath();
1230
1231     m_dirCtrl->SetFilterIndex(sel);
1232
1233     // If the filter has changed, the view is out of date, so
1234     // collapse the tree.
1235     m_dirCtrl->GetTreeCtrl()->Collapse(m_dirCtrl->GetRootId());
1236     m_dirCtrl->GetTreeCtrl()->Expand(m_dirCtrl->GetRootId());
1237
1238     // Try to restore the selection, or at least the directory
1239     m_dirCtrl->ExpandPath(currentPath);
1240 }
1241
1242 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1243 {
1244     Clear();
1245     wxArrayString descriptions, filters;
1246     size_t n = (size_t) m_dirCtrl->ParseFilter(filter, filters, descriptions);
1247
1248     if (n > 0 && defaultFilter < (int) n)
1249     {
1250         size_t i = 0;
1251         for (i = 0; i < n; i++)
1252             Append(descriptions[i]);
1253         SetSelection(defaultFilter);
1254     }
1255 }
1256
1257 #endif // wxUSE_DIRDLG