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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 | wxTR_HIDE_ROOT;
506
507 #ifdef __WXMSW__
508 if (style & wxDIRCTRL_EDITABLE)
509 treeStyle |= wxTR_EDIT_LABELS;
510 #endif
511
512 if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
513 treeStyle |= wxNO_BORDER;
514
515 long filterStyle = 0;
516 if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
517 filterStyle |= wxNO_BORDER;
518
519 m_treeCtrl = new wxTreeCtrl(this, wxID_TREECTRL, pos, size, treeStyle);
520
521 if (!filter.IsEmpty() && (style & wxDIRCTRL_SHOW_FILTERS))
522 m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
523
524 m_defaultPath = dir;
525 m_filter = filter;
526
527 SetFilterIndex(defaultFilter);
528
529 if (m_filterListCtrl)
530 m_filterListCtrl->FillFilterList(filter, defaultFilter);
531
532 m_imageList = new wxImageList(16, 16, TRUE);
533 m_imageList->Add(wxIcon(icon1_xpm));
534 m_imageList->Add(wxIcon(icon2_xpm));
535 m_imageList->Add(wxIcon(icon3_xpm));
536 m_imageList->Add(wxIcon(icon4_xpm));
537 m_imageList->Add(wxIcon(icon5_xpm));
538 m_imageList->Add(wxIcon(icon6_xpm));
539 m_imageList->Add(wxIcon(icon7_xpm));
540 m_imageList->Add(wxIcon(icon8_xpm));
541 m_treeCtrl->AssignImageList(m_imageList);
542
543 m_showHidden = FALSE;
544 wxDirItemData* rootData = new wxDirItemData(wxT(""), wxT(""), TRUE);
545
546 wxString rootName;
547
548 #if defined(__WINDOWS__) || defined(__WXPM__) || defined(__DOS__)
549 rootName = _("Computer");
550 #else
551 rootName = _("Sections");
552 #endif
553
554 m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
555 m_treeCtrl->SetItemHasChildren(m_rootId);
556 ExpandDir(m_rootId); // automatically expand first level
557
558 // Expand and select the default path
559 if (!m_defaultPath.IsEmpty())
560 ExpandPath(m_defaultPath);
561
562 DoResize();
563
564 return TRUE;
565 }
566
567 wxGenericDirCtrl::~wxGenericDirCtrl()
568 {
569 }
570
571 void wxGenericDirCtrl::Init()
572 {
573 m_showHidden = FALSE;
574 m_imageList = NULL;
575 m_currentFilter = 0;
576 m_currentFilterStr = wxEmptyString; // Default: any file
577 m_treeCtrl = NULL;
578 m_filterListCtrl = NULL;
579 }
580
581 void wxGenericDirCtrl::ShowHidden( bool show )
582 {
583 m_showHidden = show;
584
585 wxString path = GetPath();
586 ReCreateTree();
587 SetPath(path);
588 }
589
590 void wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
591 {
592 wxDirItemData *dir_item = new wxDirItemData(path,name,TRUE);
593
594 wxTreeItemId id = m_treeCtrl->AppendItem( m_rootId, name, imageId, -1, dir_item);
595
596 m_treeCtrl->SetItemHasChildren(id);
597 }
598
599 void wxGenericDirCtrl::SetupSections()
600 {
601 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
602
603 #ifdef __WIN32__
604 wxChar driveBuffer[256];
605 size_t n = (size_t) GetLogicalDriveStrings(255, driveBuffer);
606 size_t i = 0;
607 while (i < n)
608 {
609 wxString path, name;
610 path.Printf(wxT("%c:\\"), driveBuffer[i]);
611 name.Printf(wxT("(%c:)"), driveBuffer[i]);
612
613 int imageId = 4;
614 int driveType = ::GetDriveType(path);
615 switch (driveType)
616 {
617 case DRIVE_REMOVABLE:
618 if (path == wxT("a:\\") || path == wxT("b:\\"))
619 imageId = 6; // Floppy
620 else
621 imageId = 7;
622 break;
623 case DRIVE_FIXED:
624 imageId = 4;
625 break;
626 case DRIVE_REMOTE:
627 imageId = 4;
628 break;
629 case DRIVE_CDROM:
630 imageId = 5;
631 break;
632 default:
633 imageId = 4;
634 break;
635 }
636
637 AddSection(path, name, imageId);
638
639 while (driveBuffer[i] != wxT('\0'))
640 i ++;
641 i ++;
642 if (driveBuffer[i] == wxT('\0'))
643 break;
644 }
645 #else // !__WIN32__
646 int drive;
647
648 /* If we can switch to the drive, it exists. */
649 for( drive = 1; drive <= 26; drive++ )
650 {
651 wxString path, name;
652 path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
653 name.Printf(wxT("(%c:)"), (char) (drive + 'A' - 1));
654
655 if (wxIsDriveAvailable(path))
656 {
657 AddSection(path, name, (drive <= 2) ? 6/*floppy*/ : 4/*disk*/);
658 }
659 }
660 #endif // __WIN32__/!__WIN32__
661
662 #elif defined(__WXMAC__)
663 FSSpec volume ;
664 short index = 1 ;
665 while(1) {
666 short actualCount = 0 ;
667 if ( OnLine( &volume , 1 , &actualCount , &index ) != noErr || actualCount == 0 )
668 break ;
669
670 wxString name = wxMacFSSpec2MacFilename( &volume ) ;
671 AddSection(name + wxFILE_SEP_PATH, name, 0);
672 }
673 #elif defined(__UNIX__)
674 AddSection(wxT("/"), wxT("/"), 3/*computer icon*/);
675 #else
676 #error "Unsupported platform in wxGenericDirCtrl!"
677 #endif
678 }
679
680 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
681 {
682 // don't rename the main entry "Sections"
683 if (event.GetItem() == m_rootId)
684 {
685 event.Veto();
686 return;
687 }
688
689 // don't rename the individual sections
690 if (m_treeCtrl->GetParent( event.GetItem() ) == m_rootId)
691 {
692 event.Veto();
693 return;
694 }
695 }
696
697 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
698 {
699 if ((event.GetLabel().IsEmpty()) ||
700 (event.GetLabel() == _(".")) ||
701 (event.GetLabel() == _("..")) ||
702 (event.GetLabel().First( wxT("/") ) != wxNOT_FOUND))
703 {
704 wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
705 dialog.ShowModal();
706 event.Veto();
707 return;
708 }
709
710 wxTreeItemId id = event.GetItem();
711 wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
712 wxASSERT( data );
713
714 wxString new_name( wxPathOnly( data->m_path ) );
715 new_name += wxString(wxFILE_SEP_PATH);
716 new_name += event.GetLabel();
717
718 wxLogNull log;
719
720 if (wxFileExists(new_name))
721 {
722 wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
723 dialog.ShowModal();
724 event.Veto();
725 }
726
727 if (wxRenameFile(data->m_path,new_name))
728 {
729 data->SetNewDirName( new_name );
730 }
731 else
732 {
733 wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
734 dialog.ShowModal();
735 event.Veto();
736 }
737 }
738
739 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
740 {
741 wxTreeItemId parentId = event.GetItem();
742
743 // VS: this is needed because the event handler is called from wxTreeCtrl
744 // ctor when wxTR_HIDE_ROOT was specified
745 if (m_rootId == 0)
746 m_rootId = m_treeCtrl->GetRootItem();
747
748 ExpandDir(parentId);
749 }
750
751 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
752 {
753 CollapseDir(event.GetItem());
754 }
755
756 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
757 {
758 wxTreeItemId child;
759
760 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
761 if (!data->m_isExpanded)
762 return;
763
764 data->m_isExpanded = FALSE;
765 long cookie;
766 /* Workaround because DeleteChildren has disapeared (why?) and
767 * CollapseAndReset doesn't work as advertised (deletes parent too) */
768 child = m_treeCtrl->GetFirstChild(parentId, cookie);
769 while (child.IsOk())
770 {
771 m_treeCtrl->Delete(child);
772 /* Not GetNextChild below, because the cookie mechanism can't
773 * handle disappearing children! */
774 child = m_treeCtrl->GetFirstChild(parentId, cookie);
775 }
776 }
777
778 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
779 {
780 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
781
782 if (data->m_isExpanded)
783 return;
784
785 data->m_isExpanded = TRUE;
786
787 if (parentId == m_treeCtrl->GetRootItem())
788 {
789 SetupSections();
790 return;
791 }
792
793 wxASSERT(data);
794
795 wxString search,path,filename;
796
797 wxString dirName(data->m_path);
798
799 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
800 // Check if this is a root directory and if so,
801 // whether the drive is avaiable.
802 if (!wxIsDriveAvailable(dirName))
803 {
804 data->m_isExpanded = FALSE;
805 //wxMessageBox(wxT("Sorry, this drive is not available."));
806 return;
807 }
808 #endif
809
810 // This may take a longish time. Go to busy cursor
811 wxBusyCursor busy;
812
813 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
814 if (dirName.Last() == ':')
815 dirName += wxString(wxFILE_SEP_PATH);
816 #endif
817
818 wxArrayString dirs;
819 wxArrayString filenames;
820
821 wxDir d;
822 wxString eachFilename;
823
824 wxLogNull log;
825 d.Open(dirName);
826
827 if (d.IsOpened())
828 {
829 int style = wxDIR_DIRS;
830 if (m_showHidden) style |= wxDIR_HIDDEN;
831 if (d.GetFirst(& eachFilename, wxEmptyString, style))
832 {
833 do
834 {
835 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
836 {
837 dirs.Add(eachFilename);
838 }
839 }
840 while (d.GetNext(& eachFilename));
841 }
842 }
843 dirs.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
844
845 // Now do the filenames -- but only if we're allowed to
846 if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
847 {
848 wxLogNull log;
849
850 d.Open(dirName);
851
852 if (d.IsOpened())
853 {
854 if (d.GetFirst(& eachFilename, m_currentFilterStr, wxDIR_FILES))
855 {
856 do
857 {
858 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
859 {
860 filenames.Add(eachFilename);
861 }
862 }
863 while (d.GetNext(& eachFilename));
864 }
865 }
866 filenames.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
867 }
868
869 // Add the sorted dirs
870 size_t i;
871 for (i = 0; i < dirs.Count(); i++)
872 {
873 wxString eachFilename(dirs[i]);
874 path = dirName;
875 if (path.Last() != wxFILE_SEP_PATH)
876 path += wxString(wxFILE_SEP_PATH);
877 path += eachFilename;
878
879 wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,TRUE);
880 wxTreeItemId id = m_treeCtrl->AppendItem( parentId, eachFilename, 0, -1, dir_item);
881 m_treeCtrl->SetItemImage( id, 1, wxTreeItemIcon_Expanded );
882
883 // Has this got any children? If so, make it expandable.
884 // (There are two situations when a dir has children: either it
885 // has subdirectories or it contains files that weren't filtered
886 // out. The latter only applies to dirctrl with files.)
887 if ( dir_item->HasSubDirs() ||
888 (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
889 dir_item->HasFiles(m_currentFilterStr)) )
890 {
891 m_treeCtrl->SetItemHasChildren(id);
892 }
893 }
894
895 // Add the sorted filenames
896 if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
897 {
898 for (i = 0; i < filenames.Count(); i++)
899 {
900 wxString eachFilename(filenames[i]);
901 path = dirName;
902 if (path.Last() != wxFILE_SEP_PATH)
903 path += wxString(wxFILE_SEP_PATH);
904 path += eachFilename;
905 //path = dirName + wxString(wxT("/")) + eachFilename;
906 wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,FALSE);
907 (void)m_treeCtrl->AppendItem( parentId, eachFilename, 2, -1, dir_item);
908 }
909 }
910 }
911
912 void wxGenericDirCtrl::ReCreateTree()
913 {
914 CollapseDir(m_treeCtrl->GetRootItem());
915 ExpandDir(m_treeCtrl->GetRootItem());
916 }
917
918 // Find the child that matches the first part of 'path'.
919 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
920 // then the child for /usr is returned.
921 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
922 {
923 wxString path2(path);
924
925 // Make sure all separators are as per the current platform
926 path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
927 path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
928
929 // Append a separator to foil bogus substring matching
930 path2 += wxString(wxFILE_SEP_PATH);
931
932 // In MSW or PM, case is not significant
933 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
934 path2.MakeLower();
935 #endif
936
937 long cookie;
938 wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
939 while (childId.IsOk())
940 {
941 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
942
943 if (data && !data->m_path.IsEmpty())
944 {
945 wxString childPath(data->m_path);
946 if (childPath.Last() != wxFILE_SEP_PATH)
947 childPath += wxString(wxFILE_SEP_PATH);
948
949 // In MSW and PM, case is not significant
950 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
951 childPath.MakeLower();
952 #endif
953
954 if (childPath.Len() <= path2.Len())
955 {
956 wxString path3 = path2.Mid(0, childPath.Len());
957 if (childPath == path3)
958 {
959 if (path3.Len() == path2.Len())
960 done = TRUE;
961 else
962 done = FALSE;
963 return childId;
964 }
965 }
966 }
967
968 childId = m_treeCtrl->GetNextChild(parentId, cookie);
969 }
970 wxTreeItemId invalid;
971 return invalid;
972 }
973
974 // Try to expand as much of the given path as possible,
975 // and select the given tree item.
976 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
977 {
978 bool done = FALSE;
979 wxTreeItemId id = FindChild(m_rootId, path, done);
980 wxTreeItemId lastId = id; // The last non-zero id
981 while (id.IsOk() && !done)
982 {
983 ExpandDir(id);
984
985 id = FindChild(id, path, done);
986 if (id.IsOk())
987 lastId = id;
988 }
989 if (lastId.IsOk())
990 {
991 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
992 if (data->m_isDir)
993 {
994 m_treeCtrl->Expand(lastId);
995 }
996 if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
997 {
998 // Find the first file in this directory
999 long cookie;
1000 wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
1001 bool selectedChild = FALSE;
1002 while (childId.IsOk())
1003 {
1004 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
1005
1006 if (data && data->m_path != "" && !data->m_isDir)
1007 {
1008 m_treeCtrl->SelectItem(childId);
1009 m_treeCtrl->EnsureVisible(childId);
1010 selectedChild = TRUE;
1011 break;
1012 }
1013 childId = m_treeCtrl->GetNextChild(lastId, cookie);
1014 }
1015 if (!selectedChild)
1016 {
1017 m_treeCtrl->SelectItem(lastId);
1018 m_treeCtrl->EnsureVisible(lastId);
1019 }
1020 }
1021 else
1022 {
1023 m_treeCtrl->SelectItem(lastId);
1024 m_treeCtrl->EnsureVisible(lastId);
1025 }
1026
1027 return TRUE;
1028 }
1029 else
1030 return FALSE;
1031 }
1032
1033 wxString wxGenericDirCtrl::GetPath() const
1034 {
1035 wxTreeItemId id = m_treeCtrl->GetSelection();
1036 if (id)
1037 {
1038 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1039 return data->m_path;
1040 }
1041 else
1042 return wxEmptyString;
1043 }
1044
1045 wxString wxGenericDirCtrl::GetFilePath() const
1046 {
1047 wxTreeItemId id = m_treeCtrl->GetSelection();
1048 if (id)
1049 {
1050 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1051 if (data->m_isDir)
1052 return wxEmptyString;
1053 else
1054 return data->m_path;
1055 }
1056 else
1057 return wxEmptyString;
1058 }
1059
1060 void wxGenericDirCtrl::SetPath(const wxString& path)
1061 {
1062 m_defaultPath = path;
1063 if (m_rootId)
1064 ExpandPath(path);
1065 }
1066
1067 // Not used
1068 #if 0
1069 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1070 {
1071 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1072
1073 // This may take a longish time. Go to busy cursor
1074 wxBusyCursor busy;
1075
1076 wxASSERT(data);
1077
1078 wxString search,path,filename;
1079
1080 wxString dirName(data->m_path);
1081
1082 #if defined(__WXMSW__) || defined(__WXPM__)
1083 if (dirName.Last() == ':')
1084 dirName += wxString(wxFILE_SEP_PATH);
1085 #endif
1086
1087 wxDir d;
1088 wxString eachFilename;
1089
1090 wxLogNull log;
1091 d.Open(dirName);
1092
1093 if (d.IsOpened())
1094 {
1095 if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1096 {
1097 do
1098 {
1099 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1100 {
1101 filenames.Add(eachFilename);
1102 }
1103 }
1104 while (d.GetNext(& eachFilename)) ;
1105 }
1106 }
1107 }
1108 #endif
1109
1110 void wxGenericDirCtrl::SetFilterIndex(int n)
1111 {
1112 m_currentFilter = n;
1113
1114 wxString f, d;
1115 if (ExtractWildcard(m_filter, n, f, d))
1116 m_currentFilterStr = f;
1117 else
1118 m_currentFilterStr = wxT("*.*");
1119 }
1120
1121 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1122 {
1123 m_filter = filter;
1124
1125 wxString f, d;
1126 if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1127 m_currentFilterStr = f;
1128 else
1129 m_currentFilterStr = wxT("*.*");
1130 }
1131
1132 // Extract description and actual filter from overall filter string
1133 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1134 {
1135 wxArrayString filters, descriptions;
1136 int count = ParseFilter(filterStr, filters, descriptions);
1137 if (count > 0 && n < count)
1138 {
1139 filter = filters[n];
1140 description = descriptions[n];
1141 return TRUE;
1142 }
1143
1144 return FALSE;
1145 }
1146
1147 // Parses the global filter, returning the number of filters.
1148 // Returns 0 if none or if there's a problem.
1149 // filterStr is in the form:
1150 //
1151 // "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1152
1153 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1154 {
1155 wxString str(filterStr);
1156
1157 wxString description, filter;
1158 int pos;
1159 bool finished = FALSE;
1160 do
1161 {
1162 pos = str.Find(wxT('|'));
1163 if (pos == -1)
1164 return 0; // Problem
1165 description = str.Left(pos);
1166 str = str.Mid(pos+1);
1167 pos = str.Find(wxT('|'));
1168 if (pos == -1)
1169 {
1170 filter = str;
1171 finished = TRUE;
1172 }
1173 else
1174 {
1175 filter = str.Left(pos);
1176 str = str.Mid(pos+1);
1177 }
1178 descriptions.Add(description);
1179 filters.Add(filter);
1180 }
1181 while (!finished) ;
1182
1183 return filters.Count();
1184 }
1185
1186 void wxGenericDirCtrl::DoResize()
1187 {
1188 wxSize sz = GetClientSize();
1189 int verticalSpacing = 3;
1190 if (m_treeCtrl)
1191 {
1192 wxSize filterSz ;
1193 if (m_filterListCtrl)
1194 {
1195 #ifdef __WXMSW__
1196 // For some reason, this is required in order for the
1197 // correct control height to always be returned, rather
1198 // than the drop-down list height which is sometimes returned.
1199 wxSize oldSize = m_filterListCtrl->GetSize();
1200 m_filterListCtrl->SetSize(-1, -1, oldSize.x+10, -1, wxSIZE_USE_EXISTING);
1201 m_filterListCtrl->SetSize(-1, -1, oldSize.x, -1, wxSIZE_USE_EXISTING);
1202 #endif
1203 filterSz = m_filterListCtrl->GetSize();
1204 sz.y -= (filterSz.y + verticalSpacing);
1205 }
1206 m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1207 if (m_filterListCtrl)
1208 {
1209 m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1210 // Don't know why, but this needs refreshing after a resize (wxMSW)
1211 m_filterListCtrl->Refresh();
1212 }
1213 }
1214 }
1215
1216
1217 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1218 {
1219 DoResize();
1220 }
1221
1222 //-----------------------------------------------------------------------------
1223 // wxDirFilterListCtrl
1224 //-----------------------------------------------------------------------------
1225
1226 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1227
1228 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1229 EVT_CHOICE(-1, wxDirFilterListCtrl::OnSelFilter)
1230 END_EVENT_TABLE()
1231
1232 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1233 const wxPoint& pos,
1234 const wxSize& size,
1235 long style)
1236 {
1237 m_dirCtrl = parent;
1238 return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1239 }
1240
1241 void wxDirFilterListCtrl::Init()
1242 {
1243 m_dirCtrl = NULL;
1244 }
1245
1246 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1247 {
1248 int sel = GetSelection();
1249
1250 wxString currentPath = m_dirCtrl->GetPath();
1251
1252 m_dirCtrl->SetFilterIndex(sel);
1253
1254 // If the filter has changed, the view is out of date, so
1255 // collapse the tree.
1256 m_dirCtrl->ReCreateTree();
1257
1258 // Try to restore the selection, or at least the directory
1259 m_dirCtrl->ExpandPath(currentPath);
1260 }
1261
1262 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1263 {
1264 Clear();
1265 wxArrayString descriptions, filters;
1266 size_t n = (size_t) m_dirCtrl->ParseFilter(filter, filters, descriptions);
1267
1268 if (n > 0 && defaultFilter < (int) n)
1269 {
1270 size_t i = 0;
1271 for (i = 0; i < n; i++)
1272 Append(descriptions[i]);
1273 SetSelection(defaultFilter);
1274 }
1275 }
1276
1277 #endif // wxUSE_DIRDLG