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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(__WXWINE__) && (!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(__WXWINE__) || (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 if (style & wxDIRCTRL_EDIT_LABELS)
508 treeStyle |= wxTR_EDIT_LABELS;
509
510 if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
511 treeStyle |= wxNO_BORDER;
512
513 long filterStyle = 0;
514 if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
515 filterStyle |= wxNO_BORDER;
516
517 m_treeCtrl = new wxTreeCtrl(this, wxID_TREECTRL, pos, size, treeStyle);
518
519 if (!filter.IsEmpty() && (style & wxDIRCTRL_SHOW_FILTERS))
520 m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
521
522 m_defaultPath = dir;
523 m_filter = filter;
524
525 SetFilterIndex(defaultFilter);
526
527 if (m_filterListCtrl)
528 m_filterListCtrl->FillFilterList(filter, defaultFilter);
529
530 m_imageList = new wxImageList(16, 16, TRUE);
531 m_imageList->Add(wxIcon(icon1_xpm));
532 m_imageList->Add(wxIcon(icon2_xpm));
533 m_imageList->Add(wxIcon(icon3_xpm));
534 m_imageList->Add(wxIcon(icon4_xpm));
535 m_imageList->Add(wxIcon(icon5_xpm));
536 m_imageList->Add(wxIcon(icon6_xpm));
537 m_imageList->Add(wxIcon(icon7_xpm));
538 m_imageList->Add(wxIcon(icon8_xpm));
539 m_treeCtrl->AssignImageList(m_imageList);
540
541 m_showHidden = FALSE;
542 wxDirItemData* rootData = new wxDirItemData(wxT(""), wxT(""), TRUE);
543
544 wxString rootName;
545
546 #if defined(__WINDOWS__) || defined(__WXPM__) || defined(__DOS__)
547 rootName = _("Computer");
548 #else
549 rootName = _("Sections");
550 #endif
551
552 m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
553 m_treeCtrl->SetItemHasChildren(m_rootId);
554 ExpandDir(m_rootId); // automatically expand first level
555
556 // Expand and select the default path
557 if (!m_defaultPath.IsEmpty())
558 ExpandPath(m_defaultPath);
559
560 DoResize();
561
562 return TRUE;
563 }
564
565 wxGenericDirCtrl::~wxGenericDirCtrl()
566 {
567 }
568
569 void wxGenericDirCtrl::Init()
570 {
571 m_showHidden = FALSE;
572 m_imageList = NULL;
573 m_currentFilter = 0;
574 m_currentFilterStr = wxEmptyString; // Default: any file
575 m_treeCtrl = NULL;
576 m_filterListCtrl = NULL;
577 }
578
579 void wxGenericDirCtrl::ShowHidden( bool show )
580 {
581 m_showHidden = show;
582
583 wxString path = GetPath();
584 ReCreateTree();
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 CollapseDir(event.GetItem());
752 }
753
754 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
755 {
756 wxTreeItemId child;
757
758 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
759 if (!data->m_isExpanded)
760 return;
761
762 data->m_isExpanded = FALSE;
763 long cookie;
764 /* Workaround because DeleteChildren has disapeared (why?) and
765 * CollapseAndReset doesn't work as advertised (deletes parent too) */
766 child = m_treeCtrl->GetFirstChild(parentId, cookie);
767 while (child.IsOk())
768 {
769 m_treeCtrl->Delete(child);
770 /* Not GetNextChild below, because the cookie mechanism can't
771 * handle disappearing children! */
772 child = m_treeCtrl->GetFirstChild(parentId, cookie);
773 }
774 }
775
776 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
777 {
778 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
779
780 if (data->m_isExpanded)
781 return;
782
783 data->m_isExpanded = TRUE;
784
785 if (parentId == m_treeCtrl->GetRootItem())
786 {
787 SetupSections();
788 return;
789 }
790
791 wxASSERT(data);
792
793 wxString search,path,filename;
794
795 wxString dirName(data->m_path);
796
797 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
798 // Check if this is a root directory and if so,
799 // whether the drive is avaiable.
800 if (!wxIsDriveAvailable(dirName))
801 {
802 data->m_isExpanded = FALSE;
803 //wxMessageBox(wxT("Sorry, this drive is not available."));
804 return;
805 }
806 #endif
807
808 // This may take a longish time. Go to busy cursor
809 wxBusyCursor busy;
810
811 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
812 if (dirName.Last() == ':')
813 dirName += wxString(wxFILE_SEP_PATH);
814 #endif
815
816 wxArrayString dirs;
817 wxArrayString filenames;
818
819 wxDir d;
820 wxString eachFilename;
821
822 wxLogNull log;
823 d.Open(dirName);
824
825 if (d.IsOpened())
826 {
827 int style = wxDIR_DIRS;
828 if (m_showHidden) style |= wxDIR_HIDDEN;
829 if (d.GetFirst(& eachFilename, wxEmptyString, style))
830 {
831 do
832 {
833 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
834 {
835 dirs.Add(eachFilename);
836 }
837 }
838 while (d.GetNext(& eachFilename));
839 }
840 }
841 dirs.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
842
843 // Now do the filenames -- but only if we're allowed to
844 if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
845 {
846 wxLogNull log;
847
848 d.Open(dirName);
849
850 if (d.IsOpened())
851 {
852 if (d.GetFirst(& eachFilename, m_currentFilterStr, wxDIR_FILES))
853 {
854 do
855 {
856 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
857 {
858 filenames.Add(eachFilename);
859 }
860 }
861 while (d.GetNext(& eachFilename));
862 }
863 }
864 filenames.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
865 }
866
867 // Add the sorted dirs
868 size_t i;
869 for (i = 0; i < dirs.Count(); i++)
870 {
871 wxString eachFilename(dirs[i]);
872 path = dirName;
873 if (path.Last() != wxFILE_SEP_PATH)
874 path += wxString(wxFILE_SEP_PATH);
875 path += eachFilename;
876
877 wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,TRUE);
878 wxTreeItemId id = m_treeCtrl->AppendItem( parentId, eachFilename, 0, -1, dir_item);
879 m_treeCtrl->SetItemImage( id, 1, wxTreeItemIcon_Expanded );
880
881 // Has this got any children? If so, make it expandable.
882 // (There are two situations when a dir has children: either it
883 // has subdirectories or it contains files that weren't filtered
884 // out. The latter only applies to dirctrl with files.)
885 if ( dir_item->HasSubDirs() ||
886 (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
887 dir_item->HasFiles(m_currentFilterStr)) )
888 {
889 m_treeCtrl->SetItemHasChildren(id);
890 }
891 }
892
893 // Add the sorted filenames
894 if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
895 {
896 for (i = 0; i < filenames.Count(); i++)
897 {
898 wxString eachFilename(filenames[i]);
899 path = dirName;
900 if (path.Last() != wxFILE_SEP_PATH)
901 path += wxString(wxFILE_SEP_PATH);
902 path += eachFilename;
903 //path = dirName + wxString(wxT("/")) + eachFilename;
904 wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,FALSE);
905 (void)m_treeCtrl->AppendItem( parentId, eachFilename, 2, -1, dir_item);
906 }
907 }
908 }
909
910 void wxGenericDirCtrl::ReCreateTree()
911 {
912 CollapseDir(m_treeCtrl->GetRootItem());
913 ExpandDir(m_treeCtrl->GetRootItem());
914 }
915
916 // Find the child that matches the first part of 'path'.
917 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
918 // then the child for /usr is returned.
919 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
920 {
921 wxString path2(path);
922
923 // Make sure all separators are as per the current platform
924 path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
925 path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
926
927 // Append a separator to foil bogus substring matching
928 path2 += wxString(wxFILE_SEP_PATH);
929
930 // In MSW or PM, case is not significant
931 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
932 path2.MakeLower();
933 #endif
934
935 long cookie;
936 wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
937 while (childId.IsOk())
938 {
939 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
940
941 if (data && !data->m_path.IsEmpty())
942 {
943 wxString childPath(data->m_path);
944 if (childPath.Last() != wxFILE_SEP_PATH)
945 childPath += wxString(wxFILE_SEP_PATH);
946
947 // In MSW and PM, case is not significant
948 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
949 childPath.MakeLower();
950 #endif
951
952 if (childPath.Len() <= path2.Len())
953 {
954 wxString path3 = path2.Mid(0, childPath.Len());
955 if (childPath == path3)
956 {
957 if (path3.Len() == path2.Len())
958 done = TRUE;
959 else
960 done = FALSE;
961 return childId;
962 }
963 }
964 }
965
966 childId = m_treeCtrl->GetNextChild(parentId, cookie);
967 }
968 wxTreeItemId invalid;
969 return invalid;
970 }
971
972 // Try to expand as much of the given path as possible,
973 // and select the given tree item.
974 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
975 {
976 bool done = FALSE;
977 wxTreeItemId id = FindChild(m_rootId, path, done);
978 wxTreeItemId lastId = id; // The last non-zero id
979 while (id.IsOk() && !done)
980 {
981 ExpandDir(id);
982
983 id = FindChild(id, path, done);
984 if (id.IsOk())
985 lastId = id;
986 }
987 if (lastId.IsOk())
988 {
989 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
990 if (data->m_isDir)
991 {
992 m_treeCtrl->Expand(lastId);
993 }
994 if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
995 {
996 // Find the first file in this directory
997 long cookie;
998 wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
999 bool selectedChild = FALSE;
1000 while (childId.IsOk())
1001 {
1002 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
1003
1004 if (data && data->m_path != wxT("") && !data->m_isDir)
1005 {
1006 m_treeCtrl->SelectItem(childId);
1007 m_treeCtrl->EnsureVisible(childId);
1008 selectedChild = TRUE;
1009 break;
1010 }
1011 childId = m_treeCtrl->GetNextChild(lastId, cookie);
1012 }
1013 if (!selectedChild)
1014 {
1015 m_treeCtrl->SelectItem(lastId);
1016 m_treeCtrl->EnsureVisible(lastId);
1017 }
1018 }
1019 else
1020 {
1021 m_treeCtrl->SelectItem(lastId);
1022 m_treeCtrl->EnsureVisible(lastId);
1023 }
1024
1025 return TRUE;
1026 }
1027 else
1028 return FALSE;
1029 }
1030
1031 wxString wxGenericDirCtrl::GetPath() const
1032 {
1033 wxTreeItemId id = m_treeCtrl->GetSelection();
1034 if (id)
1035 {
1036 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1037 return data->m_path;
1038 }
1039 else
1040 return wxEmptyString;
1041 }
1042
1043 wxString wxGenericDirCtrl::GetFilePath() const
1044 {
1045 wxTreeItemId id = m_treeCtrl->GetSelection();
1046 if (id)
1047 {
1048 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1049 if (data->m_isDir)
1050 return wxEmptyString;
1051 else
1052 return data->m_path;
1053 }
1054 else
1055 return wxEmptyString;
1056 }
1057
1058 void wxGenericDirCtrl::SetPath(const wxString& path)
1059 {
1060 m_defaultPath = path;
1061 if (m_rootId)
1062 ExpandPath(path);
1063 }
1064
1065 // Not used
1066 #if 0
1067 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1068 {
1069 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1070
1071 // This may take a longish time. Go to busy cursor
1072 wxBusyCursor busy;
1073
1074 wxASSERT(data);
1075
1076 wxString search,path,filename;
1077
1078 wxString dirName(data->m_path);
1079
1080 #if defined(__WXMSW__) || defined(__WXPM__)
1081 if (dirName.Last() == ':')
1082 dirName += wxString(wxFILE_SEP_PATH);
1083 #endif
1084
1085 wxDir d;
1086 wxString eachFilename;
1087
1088 wxLogNull log;
1089 d.Open(dirName);
1090
1091 if (d.IsOpened())
1092 {
1093 if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1094 {
1095 do
1096 {
1097 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1098 {
1099 filenames.Add(eachFilename);
1100 }
1101 }
1102 while (d.GetNext(& eachFilename)) ;
1103 }
1104 }
1105 }
1106 #endif
1107
1108 void wxGenericDirCtrl::SetFilterIndex(int n)
1109 {
1110 m_currentFilter = n;
1111
1112 wxString f, d;
1113 if (ExtractWildcard(m_filter, n, f, d))
1114 m_currentFilterStr = f;
1115 else
1116 m_currentFilterStr = wxT("*.*");
1117 }
1118
1119 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1120 {
1121 m_filter = filter;
1122
1123 wxString f, d;
1124 if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1125 m_currentFilterStr = f;
1126 else
1127 m_currentFilterStr = wxT("*.*");
1128 }
1129
1130 // Extract description and actual filter from overall filter string
1131 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1132 {
1133 wxArrayString filters, descriptions;
1134 int count = ParseFilter(filterStr, filters, descriptions);
1135 if (count > 0 && n < count)
1136 {
1137 filter = filters[n];
1138 description = descriptions[n];
1139 return TRUE;
1140 }
1141
1142 return FALSE;
1143 }
1144
1145 // Parses the global filter, returning the number of filters.
1146 // Returns 0 if none or if there's a problem.
1147 // filterStr is in the form:
1148 //
1149 // "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1150
1151 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1152 {
1153 wxString str(filterStr);
1154
1155 wxString description, filter;
1156 int pos;
1157 bool finished = FALSE;
1158 do
1159 {
1160 pos = str.Find(wxT('|'));
1161 if (pos == -1)
1162 return 0; // Problem
1163 description = str.Left(pos);
1164 str = str.Mid(pos+1);
1165 pos = str.Find(wxT('|'));
1166 if (pos == -1)
1167 {
1168 filter = str;
1169 finished = TRUE;
1170 }
1171 else
1172 {
1173 filter = str.Left(pos);
1174 str = str.Mid(pos+1);
1175 }
1176 descriptions.Add(description);
1177 filters.Add(filter);
1178 }
1179 while (!finished) ;
1180
1181 return filters.Count();
1182 }
1183
1184 void wxGenericDirCtrl::DoResize()
1185 {
1186 wxSize sz = GetClientSize();
1187 int verticalSpacing = 3;
1188 if (m_treeCtrl)
1189 {
1190 wxSize filterSz ;
1191 if (m_filterListCtrl)
1192 {
1193 #ifdef __WXMSW__
1194 // For some reason, this is required in order for the
1195 // correct control height to always be returned, rather
1196 // than the drop-down list height which is sometimes returned.
1197 wxSize oldSize = m_filterListCtrl->GetSize();
1198 m_filterListCtrl->SetSize(-1, -1, oldSize.x+10, -1, wxSIZE_USE_EXISTING);
1199 m_filterListCtrl->SetSize(-1, -1, oldSize.x, -1, wxSIZE_USE_EXISTING);
1200 #endif
1201 filterSz = m_filterListCtrl->GetSize();
1202 sz.y -= (filterSz.y + verticalSpacing);
1203 }
1204 m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1205 if (m_filterListCtrl)
1206 {
1207 m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1208 // Don't know why, but this needs refreshing after a resize (wxMSW)
1209 m_filterListCtrl->Refresh();
1210 }
1211 }
1212 }
1213
1214
1215 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1216 {
1217 DoResize();
1218 }
1219
1220 //-----------------------------------------------------------------------------
1221 // wxDirFilterListCtrl
1222 //-----------------------------------------------------------------------------
1223
1224 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1225
1226 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1227 EVT_CHOICE(-1, wxDirFilterListCtrl::OnSelFilter)
1228 END_EVENT_TABLE()
1229
1230 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1231 const wxPoint& pos,
1232 const wxSize& size,
1233 long style)
1234 {
1235 m_dirCtrl = parent;
1236 return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1237 }
1238
1239 void wxDirFilterListCtrl::Init()
1240 {
1241 m_dirCtrl = NULL;
1242 }
1243
1244 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1245 {
1246 int sel = GetSelection();
1247
1248 wxString currentPath = m_dirCtrl->GetPath();
1249
1250 m_dirCtrl->SetFilterIndex(sel);
1251
1252 // If the filter has changed, the view is out of date, so
1253 // collapse the tree.
1254 m_dirCtrl->ReCreateTree();
1255
1256 // Try to restore the selection, or at least the directory
1257 m_dirCtrl->ExpandPath(currentPath);
1258 }
1259
1260 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1261 {
1262 Clear();
1263 wxArrayString descriptions, filters;
1264 size_t n = (size_t) m_dirCtrl->ParseFilter(filter, filters, descriptions);
1265
1266 if (n > 0 && defaultFilter < (int) n)
1267 {
1268 size_t i = 0;
1269 for (i = 0; i < n; i++)
1270 Append(descriptions[i]);
1271 SetSelection(defaultFilter);
1272 }
1273 }
1274
1275 #endif // wxUSE_DIRDLG