src/generic/dirdlgg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dirdlg.cpp
   3 // Purpose:     wxDirDialog
   4 // Author:      Harm van der Heijden and Robert Roebling
   5 // Modified by:
   6 // Created:     12/12/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Harm van der Heijden and Robert Roebling
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dirdlgg.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 #include "wx/defs.h"
  24
  25 #if wxUSE_DIRDLG
  26
  27 #include "wx/utils.h"
  28 #include "wx/dialog.h"
  29 #include "wx/button.h"
  30 #include "wx/layout.h"
  31 #include "wx/msgdlg.h"
  32 #include "wx/textdlg.h"
  33 #include "wx/filefn.h"
  34 #include "wx/cmndata.h"
  35 #include "wx/gdicmn.h"
  36 #include "wx/intl.h"
  37 #include "wx/imaglist.h"
  38 #include "wx/icon.h"
  39 #include "wx/log.h"
  40 #include "wx/sizer.h"
  41
  42 #if wxUSE_STATLINE
  43     #include "wx/statline.h"
  44 #endif
  45
  46 #include "wx/generic/dirdlgg.h"
  47
  48 // If compiled under Windows, this macro can cause problems
  49 #ifdef GetFirstChild
  50 #undef GetFirstChild
  51 #endif
  52
  53 /* XPM */
  54 static char * icon1_xpm[] = {
  55 /* width height ncolors chars_per_pixel */
  56 "16 16 6 1",
  57 /* colors */
  58 "       s None  c None",
  59 ".      c #000000",
  60 "+      c #c0c0c0",
  61 "@      c #808080",
  62 "#      c #ffff00",
  63 "$      c #ffffff",
  64 /* pixels */
  65 "                ",
  66 "   @@@@@        ",
  67 "  @#+#+#@       ",
  68 " @#+#+#+#@@@@@@ ",
  69 " @$$$$$$$$$$$$@.",
  70 " @$#+#+#+#+#+#@.",
  71 " @$+#+#+#+#+#+@.",
  72 " @$#+#+#+#+#+#@.",
  73 " @$+#+#+#+#+#+@.",
  74 " @$#+#+#+#+#+#@.",
  75 " @$+#+#+#+#+#+@.",
  76 " @$#+#+#+#+#+#@.",
  77 " @@@@@@@@@@@@@@.",
  78 "  ..............",
  79 "                ",
  80 "                "};
  81
  82 /* XPM */
  83 static char * icon2_xpm[] = {
  84 /* width height ncolors chars_per_pixel */
  85 "16 16 6 1",
  86 /* colors */
  87 "       s None  c None",
  88 ".      c #000000",
  89 "+      c #c0c0c0",
  90 "@      c #808080",
  91 "#      c #ffff00",
  92 "$      c #ffffff",
  93 /* pixels */
  94 "                ",
  95 "   @@@@@        ",
  96 "  @$$$$$@       ",
  97 " @$#+#+#$@@@@@@ ",
  98 " @$+#+#+$$$$$$@.",
  99 " @$#+#+#+#+#+#@.",
 100 "@@@@@@@@@@@@@#@.",
 101 "@$$$$$$$$$$@@+@.",
 102 "@$#+#+#+#+##.@@.",
 103 " @$#+#+#+#+#+.@.",
 104 " @$+#+#+#+#+#.@.",
 105 "  @$+#+#+#+##@..",
 106 "  @@@@@@@@@@@@@.",
 107 "   .............",
 108 "                ",
 109 "                "};
 110
 111 static const int ID_DIRCTRL = 1000;
 112 static const int ID_TEXTCTRL = 1001;
 113 static const int ID_OK = 1002;
 114 static const int ID_CANCEL = 1003;
 115 static const int ID_NEW = 1004;
 116 //static const int ID_CHECK = 1005;
 117
 118 //-----------------------------------------------------------------------------
 119 // wxDirItemData
 120 //-----------------------------------------------------------------------------
 121
 122 wxDirItemData::wxDirItemData(wxString& path, wxString& name)
 123 {
 124     m_path = path;
 125     m_name = name;
 126     /* Insert logic to detect hidden files here
 127      * In UnixLand we just check whether the first char is a dot
 128      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 129     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 130     m_isHidden = FALSE;
 131     m_hasSubDirs = HasSubDirs();
 132 }
 133
 134 wxDirItemData::~wxDirItemData()
 135 {
 136 }
 137
 138 void wxDirItemData::SetNewDirName( wxString path )
 139 {
 140     m_path = path;
 141     m_name = wxFileNameFromPath( path );
 142 }
 143
 144 bool wxDirItemData::HasSubDirs()
 145 {
 146     wxString search = m_path + "/*";
 147     wxLogNull log;
 148     wxString path = wxFindFirstFile( search, wxDIR );
 149     return (bool)(!path.IsNull());
 150 }
 151
 152 //-----------------------------------------------------------------------------
 153 // wxDirCtrl
 154 //-----------------------------------------------------------------------------
 155
 156 IMPLEMENT_DYNAMIC_CLASS(wxDirCtrl,wxTreeCtrl)
 157
 158 BEGIN_EVENT_TABLE(wxDirCtrl,wxTreeCtrl)
 159   EVT_TREE_ITEM_EXPANDING     (-1, wxDirCtrl::OnExpandItem)
 160   EVT_TREE_ITEM_COLLAPSED     (-1, wxDirCtrl::OnCollapseItem)
 161   EVT_TREE_BEGIN_LABEL_EDIT   (-1, wxDirCtrl::OnBeginEditItem)
 162   EVT_TREE_END_LABEL_EDIT     (-1, wxDirCtrl::OnEndEditItem)
 163 END_EVENT_TABLE()
 164
 165 wxDirCtrl::wxDirCtrl(void)
 166 {
 167     m_showHidden = FALSE;
 168 }
 169
 170 wxDirCtrl::wxDirCtrl(wxWindow *parent, const wxWindowID id, const wxString &WXUNUSED(dir),
 171             const wxPoint& pos, const wxSize& size,
 172             const long style, const wxString& name )
 173  :
 174   wxTreeCtrl( parent, id, pos, size, style, wxDefaultValidator, name )
 175 {
 176     m_imageListNormal = new wxImageList(16, 16, TRUE);
 177     m_imageListNormal->Add(wxICON(icon1));
 178     m_imageListNormal->Add(wxICON(icon2));
 179     SetImageList(m_imageListNormal);
 180
 181     m_showHidden = FALSE;
 182     m_rootId = AddRoot( _("Sections") );
 183     SetItemHasChildren(m_rootId);
 184     Expand(m_rootId); // automatically expand first level
 185 }
 186
 187 /* Quick macro. Don't worry, I'll #undef it later */
 188 #define ADD_SECTION(a,b) \
 189   if (wxPathExists((a))) { m_paths.Add( (a) ); m_names.Add( (b) ); };
 190
 191 void wxDirCtrl::SetupSections()
 192 {
 193   wxString home;
 194
 195   m_paths.Clear();
 196   m_names.Clear();
 197   ADD_SECTION(_T("/"), _("The Computer") )
 198   wxGetHomeDir(&home);
 199   ADD_SECTION(home, _("My Home") )
 200   ADD_SECTION(_T("/mnt"), _("Mounted Devices") )
 201   ADD_SECTION(_T("/usr"), _("User") )
 202   ADD_SECTION(_T("/usr/local"), _("User Local") )
 203   ADD_SECTION(_T("/var"), _("Variables") )
 204   ADD_SECTION(_T("/etc"), _("Etcetera") )
 205   ADD_SECTION(_T("/tmp"), _("Temporary") )
 206 }
 207 #undef ADD_SECTION
 208
 209 void wxDirCtrl::CreateItems(const wxTreeItemId &parent)
 210 {
 211     wxTreeItemId id;
 212     wxDirItemData *dir_item;
 213
 214 //  wxASSERT(m_paths.Count() == m_names.Count());  ?
 215
 216     for (unsigned int i=0; i<m_paths.Count(); i++)
 217     {
 218         dir_item = new wxDirItemData(m_paths[i],m_names[i]);
 219         id = AppendItem( parent, m_names[i], 0, 1, dir_item);
 220         if (dir_item->m_hasSubDirs) SetItemHasChildren(id);
 221     }
 222 }
 223
 224 void wxDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 225 {
 226     // don't rename the main entry "Sections"
 227     if (event.GetItem() == m_rootId)
 228     {
 229         event.Veto();
 230         return;
 231     }
 232
 233     // don't rename the individual sections
 234     if (GetParent( event.GetItem() ) == m_rootId)
 235     {
 236         event.Veto();
 237         return;
 238     }
 239 }
 240
 241 void wxDirCtrl::OnEndEditItem(wxTreeEvent &event)
 242 {
 243     if ((event.GetLabel().IsEmpty()) ||
 244         (event.GetLabel() == _(".")) ||
 245         (event.GetLabel() == _("..")) ||
 246         (event.GetLabel().First( _T("/") ) != wxNOT_FOUND))
 247     {
 248         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 249         dialog.ShowModal();
 250         event.Veto();
 251         return;
 252     }
 253
 254     wxTreeItemId id = event.GetItem();
 255     wxDirItemData *data = (wxDirItemData*)GetItemData( id );
 256     wxASSERT( data );
 257
 258     wxString new_name( wxPathOnly( data->m_path ) );
 259     new_name += _T("/");
 260     new_name += event.GetLabel();
 261
 262     wxLogNull log;
 263
 264     if (wxFileExists(new_name))
 265     {
 266         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 267         dialog.ShowModal();
 268         event.Veto();
 269     }
 270
 271     if (wxRenameFile(data->m_path,new_name))
 272     {
 273         data->SetNewDirName( new_name );
 274     }
 275     else
 276     {
 277         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 278         dialog.ShowModal();
 279         event.Veto();
 280     }
 281 }
 282
 283 void wxDirCtrl::OnExpandItem(wxTreeEvent &event)
 284 {
 285     if (event.GetItem() == m_rootId)
 286     {
 287         SetupSections();
 288         CreateItems(m_rootId);
 289         return;
 290     }
 291
 292     // This may take a longish time. Go to busy cursor
 293     wxBeginBusyCursor();
 294
 295     wxDirItemData *data = (wxDirItemData *)GetItemData(event.GetItem());
 296     wxASSERT(data);
 297
 298     wxString search,path,filename;
 299
 300     m_paths.Clear();
 301     m_names.Clear();
 302     search = data->m_path + "/*";
 303     for (path = wxFindFirstFile( search, wxDIR ); !path.IsNull();
 304        path=wxFindNextFile() )
 305     {
 306         filename = wxFileNameFromPath( path );
 307         /* Don't add "." and ".." to the tree. I think wxFindNextFile
 308          * also checks this, but I don't quite understand what happens
 309          * there. Also wxFindNextFile seems to swallow hidden dirs */
 310         if ((filename != ".") && (filename != ".."))
 311         {
 312             m_paths.Add(path);
 313             m_names.Add(filename);
 314         }
 315     }
 316
 317     CreateItems( event.GetItem() );
 318     SortChildren( event.GetItem() );
 319
 320     wxEndBusyCursor();
 321 }
 322
 323 void wxDirCtrl::OnCollapseItem(wxTreeEvent &event )
 324 {
 325     wxTreeItemId child, parent = event.GetItem();
 326     long cookie;
 327     /* Workaround because DeleteChildren has disapeared (why?) and
 328      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 329     child = GetFirstChild(parent, cookie);
 330     while (child.IsOk())
 331     {
 332         Delete(child);
 333         /* Not GetNextChild below, because the cookie mechanism can't
 334          * handle disappearing children! */
 335         child = GetFirstChild(parent, cookie);
 336     }
 337 }
 338
 339 //-----------------------------------------------------------------------------
 340 // wxDirDialog
 341 //-----------------------------------------------------------------------------
 342
 343
 344 #if !USE_SHARED_LIBRARY
 345 IMPLEMENT_CLASS(wxDirDialog, wxDialog)
 346 #else
 347 IMPLEMENT_DYNAMIC_CLASS( wxDirDialog, wxDialog )
 348 #endif
 349
 350 BEGIN_EVENT_TABLE( wxDirDialog, wxDialog )
 351   EVT_TREE_KEY_DOWN        (ID_DIRCTRL,   wxDirDialog::OnTreeKeyDown)
 352   EVT_TREE_SEL_CHANGED     (ID_DIRCTRL,   wxDirDialog::OnTreeSelected)
 353   EVT_SIZE                 (              wxDirDialog::OnSize)
 354   EVT_BUTTON               (ID_OK,        wxDirDialog::OnOK)
 355   EVT_BUTTON               (ID_CANCEL,    wxDirDialog::OnCancel)
 356   EVT_BUTTON               (ID_NEW,       wxDirDialog::OnNew)
 357   EVT_TEXT_ENTER           (ID_TEXTCTRL,  wxDirDialog::OnOK)
 358   //  EVT_CHECKBOX             (ID_CHECK,     wxDirDialog::OnCheck)
 359 END_EVENT_TABLE()
 360
 361 wxDirDialog::wxDirDialog(wxWindow *parent, const wxString& message,
 362                          const wxString& defaultPath, long style,
 363                          const wxPoint& pos) :
 364   wxDialog(parent, -1, message, pos, wxSize(300,300),
 365            wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
 366 {
 367     m_message = message;
 368     m_dialogStyle = style;
 369     m_parent = parent;
 370
 371     m_path = defaultPath;
 372
 373     wxBeginBusyCursor();
 374
 375     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 376
 377     // 1) dir ctrl
 378     m_dir = new wxDirCtrl( this, ID_DIRCTRL, "/", wxDefaultPosition, wxSize(200,200),
 379       wxTR_HAS_BUTTONS | wxSUNKEN_BORDER | wxTR_EDIT_LABELS);
 380     topsizer->Add( m_dir, 1, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, 10 );
 381
 382     // 2) text ctrl
 383     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
 384     topsizer->Add( m_input, 0, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, 10 );
 385
 386     // m_check = new wxCheckBox( this, ID_CHECK, _("Show hidden") );
 387     // m_check->SetValue(TRUE);
 388
 389 #if wxUSE_STATLINE
 390     // 3) static line
 391     topsizer->Add( new wxStaticLine( this, -1 ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 392 #endif
 393
 394     // 4) buttons
 395     wxSizer* buttonsizer = new wxBoxSizer( wxHORIZONTAL );
 396     m_ok = new wxButton( this, ID_OK, _("OK") );
 397     buttonsizer->Add( m_ok, 0, wxLEFT|wxRIGHT, 10 );
 398     m_cancel = new wxButton( this, ID_CANCEL, _("Cancel") );
 399     buttonsizer->Add( m_cancel, 0, wxLEFT|wxRIGHT, 10 );
 400     m_new = new wxButton( this, ID_NEW, _("New...") );
 401     buttonsizer->Add( m_new, 0, wxLEFT|wxRIGHT, 10 );
 402
 403     topsizer->Add( buttonsizer, 0, wxALL | wxCENTER, 10 );
 404
 405     m_ok->SetDefault();
 406     m_dir->SetFocus();
 407
 408     SetAutoLayout( TRUE );
 409     SetSizer( topsizer );
 410
 411     topsizer->SetSizeHints( this );
 412     topsizer->Fit( this );
 413
 414     Centre( wxBOTH );
 415
 416     wxEndBusyCursor();
 417 }
 418
 419 int wxDirDialog::ShowModal()
 420 {
 421     m_input->SetValue( m_path );
 422     return wxDialog::ShowModal();
 423 }
 424
 425 void wxDirDialog::OnTreeSelected( wxTreeEvent &event )
 426 {
 427     wxDirItemData *data = (wxDirItemData*)m_dir->GetItemData(event.GetItem());
 428     if (data)
 429        m_input->SetValue( data->m_path );
 430 };
 431
 432 void wxDirDialog::OnTreeKeyDown( wxTreeEvent &WXUNUSED(event) )
 433 {
 434     wxDirItemData *data = (wxDirItemData*)m_dir->GetItemData(m_dir->GetSelection());
 435     if (data)
 436         m_input->SetValue( data->m_path );
 437 };
 438
 439 void wxDirDialog::OnOK( wxCommandEvent& WXUNUSED(event) )
 440 {
 441   m_path = m_input->GetValue();
 442   // Does the path exist? (User may have typed anything in m_input)
 443   if (wxPathExists(m_path)) {
 444     // OK, path exists, we're done.
 445     EndModal(wxID_OK);
 446     return;
 447   }
 448   // Interact with user, find out if the dir is a typo or to be created
 449   wxString msg( _("The directory ") );
 450   msg = msg + m_path;
 451   msg = msg + _("\ndoes not exist\nCreate it now?") ;
 452   wxMessageDialog dialog(this, msg, _("Directory does not exist"), wxYES_NO | wxICON_WARNING );
 453   if ( dialog.ShowModal() == wxID_YES ) {
 454     // Okay, let's make it
 455     wxLogNull log;
 456     if (wxMkdir(m_path)) {
 457       // The new dir was created okay.
 458       EndModal(wxID_OK);
 459       return;
 460     }
 461     else {
 462       // Trouble...
 463       msg = _("Failed to create directory ")+m_path+
 464         _("\n(Do you have the required permissions?)");
 465       wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK | wxICON_ERROR);
 466       errmsg.ShowModal();
 467       // We still don't have a valid dir. Back to the main dialog.
 468     }
 469   }
 470   // User has answered NO to create dir.
 471 }
 472
 473 void wxDirDialog::OnCancel( wxCommandEvent& WXUNUSED(event) )
 474 {
 475   EndModal(wxID_CANCEL);
 476 }
 477
 478 void wxDirDialog::OnNew( wxCommandEvent& WXUNUSED(event) )
 479 {
 480     wxTreeItemId id = m_dir->GetSelection();
 481     if ((id == m_dir->GetRootItem()) ||
 482         (m_dir->GetParent(id) == m_dir->GetRootItem()))
 483     {
 484         wxMessageDialog msg(this, _("You cannot add a new directory to this section."),
 485                                   _("Create directory"), wxOK | wxICON_INFORMATION );
 486         msg.ShowModal();
 487         return;
 488     }
 489
 490     wxTreeItemId parent = m_dir->GetParent( id );
 491     wxDirItemData *data = (wxDirItemData*)m_dir->GetItemData( parent );
 492     wxASSERT( data );
 493
 494     wxString new_name( _T("NewName") );
 495     wxString path( data->m_path );
 496     path += _T( "/" );
 497     path += new_name;
 498     if (wxFileExists(path))
 499     {
 500         // try NewName0, NewName1 etc.
 501         int i = 0;
 502         do {
 503             new_name = _T("NewName");
 504             wxString num;
 505             num.Printf( "%d", i );
 506             new_name += num;
 507
 508             path = data->m_path;
 509             path += _T( "/" );
 510             path += new_name;
 511             i++;
 512         } while (wxFileExists(path));
 513     }
 514
 515     wxLogNull log;
 516     if (!wxMkdir(path))
 517     {
 518         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 519         dialog.ShowModal();
 520         return;
 521     }
 522
 523     wxDirItemData *new_data = new wxDirItemData( path, new_name );
 524     wxTreeItemId new_id = m_dir->AppendItem( parent, new_name, 0, 1, new_data );
 525     m_dir->EnsureVisible( new_id );
 526     m_dir->EditLabel( new_id );
 527 }
 528
 529 /*
 530 void wxDirDialog::OnCheck( wxCommandEvent& WXUNUSED(event) )
 531 {
 532   printf("Checkbox clicked: %s\n", ( m_check->GetValue() ? "on" : "off" ) );
 533 }
 534 */
 535
 536 #endif