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[wxWidgets.git] / src / generic / dirctrlg.cpp
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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 */
93static 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" @$$$$$$$$$$$$@.",
109" @$#+#+#+#+#+#@.",
110" @$+#+#+#+#+#+@.",
111" @$#+#+#+#+#+#@.",
112" @$+#+#+#+#+#+@.",
113" @$#+#+#+#+#+#@.",
114" @$+#+#+#+#+#+@.",
115" @$#+#+#+#+#+#@.",
116" @@@@@@@@@@@@@@.",
117" ..............",
118" ",
119" "};
120
121/* Open folder */
122static const char * icon2_xpm[] = {
123/* width height ncolors chars_per_pixel */
124"16 16 6 1",
125/* colors */
126" s None c None",
127". c #000000",
128"+ c #c0c0c0",
129"@ c #808080",
130"# c #ffff00",
131"$ c #ffffff",
132/* pixels */
133" ",
134" @@@@@ ",
135" @$$$$$@ ",
136" @$#+#+#$@@@@@@ ",
137" @$+#+#+$$$$$$@.",
138" @$#+#+#+#+#+#@.",
139"@@@@@@@@@@@@@#@.",
140"@$$$$$$$$$$@@+@.",
141"@$#+#+#+#+##.@@.",
142" @$#+#+#+#+#+.@.",
143" @$+#+#+#+#+#.@.",
144" @$+#+#+#+##@..",
145" @@@@@@@@@@@@@.",
146" .............",
147" ",
148" "};
149
150/* File */
151static 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 */
177static 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 */
204static 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 */
231static 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 */
261static 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 */
288static 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
317bool 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
337int 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
366bool 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.
403static 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
415wxDirItemData::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
429wxDirItemData::~wxDirItemData()
430{
431}
432
433void wxDirItemData::SetNewDirName(const wxString& path)
434{
435 m_path = path;
436 m_name = wxFileNameFromPath(path);
437}
438
439bool 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
454bool 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
473IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
474
475BEGIN_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)
481END_EVENT_TABLE()
482
483wxGenericDirCtrl::wxGenericDirCtrl(void)
484{
485 Init();
486}
487
488bool 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
565wxGenericDirCtrl::~wxGenericDirCtrl()
566{
567}
568
569void 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
579void wxGenericDirCtrl::ShowHidden( bool show )
580{
581 m_showHidden = show;
582
583 wxString path = GetPath();
584 ReCreateTree();
585 SetPath(path);
586}
587
588void 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
597void 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
678void 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
695void 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
737void 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
749void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
750{
751 CollapseDir(event.GetItem());
752}
753
754void 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
776void 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
910void 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.
919wxTreeItemId 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.
974bool 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 != "" && !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
1031wxString 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
1043wxString 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
1058void 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
1067void 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
1108void 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
1119void 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
1131bool 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
1151int 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
1184void 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
1215void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1216{
1217 DoResize();
1218}
1219
1220//-----------------------------------------------------------------------------
1221// wxDirFilterListCtrl
1222//-----------------------------------------------------------------------------
1223
1224IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1225
1226BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1227 EVT_CHOICE(-1, wxDirFilterListCtrl::OnSelFilter)
1228END_EVENT_TABLE()
1229
1230bool 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
1239void wxDirFilterListCtrl::Init()
1240{
1241 m_dirCtrl = NULL;
1242}
1243
1244void 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
1260void 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
wxWidgets (Impactor)