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