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/textctrl.h"
  33 #include "wx/textdlg.h"
  34 #include "wx/filefn.h"
  35 #include "wx/cmndata.h"
  36 #include "wx/gdicmn.h"
  37 #include "wx/intl.h"
  38 #include "wx/imaglist.h"
  39 #include "wx/icon.h"
  40 #include "wx/log.h"
  41 #include "wx/sizer.h"
  42 #include "wx/tokenzr.h"
  43 #include "wx/dir.h"
  44
  45 #if wxUSE_STATLINE
  46     #include "wx/statline.h"
  47 #endif
  48
  49 #include "wx/generic/dirdlgg.h"
  50
  51 // If compiled under Windows, this macro can cause problems
  52 #ifdef GetFirstChild
  53 #undef GetFirstChild
  54 #endif
  55
  56 #ifndef __WXMSW__
  57 /* XPM */
  58 static char * icon1_xpm[] = {
  59 /* width height ncolors chars_per_pixel */
  60 "16 16 6 1",
  61 /* colors */
  62 "   s None  c None",
  63 ".  c #000000",
  64 "+  c #c0c0c0",
  65 "@  c #808080",
  66 "#  c #ffff00",
  67 "$  c #ffffff",
  68 /* pixels */
  69 "                ",
  70 "   @@@@@        ",
  71 "  @#+#+#@       ",
  72 " @#+#+#+#@@@@@@ ",
  73 " @$$$$$$$$$$$$@.",
  74 " @$#+#+#+#+#+#@.",
  75 " @$+#+#+#+#+#+@.",
  76 " @$#+#+#+#+#+#@.",
  77 " @$+#+#+#+#+#+@.",
  78 " @$#+#+#+#+#+#@.",
  79 " @$+#+#+#+#+#+@.",
  80 " @$#+#+#+#+#+#@.",
  81 " @@@@@@@@@@@@@@.",
  82 "  ..............",
  83 "                ",
  84 "                "};
  85
  86 /* XPM */
  87 static char * icon2_xpm[] = {
  88 /* width height ncolors chars_per_pixel */
  89 "16 16 6 1",
  90 /* colors */
  91 "   s None  c None",
  92 ".  c #000000",
  93 "+  c #c0c0c0",
  94 "@  c #808080",
  95 "#  c #ffff00",
  96 "$  c #ffffff",
  97 /* pixels */
  98 "                ",
  99 "   @@@@@        ",
 100 "  @$$$$$@       ",
 101 " @$#+#+#$@@@@@@ ",
 102 " @$+#+#+$$$$$$@.",
 103 " @$#+#+#+#+#+#@.",
 104 "@@@@@@@@@@@@@#@.",
 105 "@$$$$$$$$$$@@+@.",
 106 "@$#+#+#+#+##.@@.",
 107 " @$#+#+#+#+#+.@.",
 108 " @$+#+#+#+#+#.@.",
 109 "  @$+#+#+#+##@..",
 110 "  @@@@@@@@@@@@@.",
 111 "   .............",
 112 "                ",
 113 "                "};
 114
 115 #endif // !wxMSW
 116
 117 static const int ID_DIRCTRL = 1000;
 118 static const int ID_TEXTCTRL = 1001;
 119 static const int ID_OK = 1002;
 120 static const int ID_CANCEL = 1003;
 121 static const int ID_NEW = 1004;
 122 //static const int ID_CHECK = 1005;
 123
 124 //-----------------------------------------------------------------------------
 125 // wxDirItemData
 126 //-----------------------------------------------------------------------------
 127
 128 wxDirItemData::wxDirItemData(wxString& path, wxString& name)
 129 {
 130     m_path = path;
 131     m_name = name;
 132     /* Insert logic to detect hidden files here
 133      * In UnixLand we just check whether the first char is a dot
 134      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 135     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 136     m_isHidden = FALSE;
 137     m_hasSubDirs = HasSubDirs();
 138 }
 139
 140 wxDirItemData::~wxDirItemData()
 141 {
 142 }
 143
 144 void wxDirItemData::SetNewDirName( wxString path )
 145 {
 146     m_path = path;
 147     m_name = wxFileNameFromPath( path );
 148 }
 149
 150 bool wxDirItemData::HasSubDirs()
 151 {
 152     return wxDir(m_path).HasSubDirs();
 153 }
 154
 155 //-----------------------------------------------------------------------------
 156 // wxDirCtrl
 157 //-----------------------------------------------------------------------------
 158
 159 IMPLEMENT_DYNAMIC_CLASS(wxDirCtrl,wxTreeCtrl)
 160
 161 BEGIN_EVENT_TABLE(wxDirCtrl,wxTreeCtrl)
 162   EVT_TREE_ITEM_EXPANDING     (-1, wxDirCtrl::OnExpandItem)
 163   EVT_TREE_ITEM_COLLAPSED     (-1, wxDirCtrl::OnCollapseItem)
 164   EVT_TREE_BEGIN_LABEL_EDIT   (-1, wxDirCtrl::OnBeginEditItem)
 165   EVT_TREE_END_LABEL_EDIT     (-1, wxDirCtrl::OnEndEditItem)
 166 END_EVENT_TABLE()
 167
 168 wxDirCtrl::wxDirCtrl(void)
 169 {
 170     m_showHidden = FALSE;
 171 }
 172
 173 wxDirCtrl::wxDirCtrl(wxWindow *parent,
 174                      const wxWindowID id,
 175                      const wxString &WXUNUSED(dir),
 176                      const wxPoint& pos,
 177                      const wxSize& size,
 178                      const long style,
 179                      const wxString& name )
 180          : wxTreeCtrl( parent, id, pos, size, style, wxDefaultValidator, name )
 181 {
 182 #ifndef __WXMSW__
 183     m_imageListNormal = new wxImageList(16, 16, TRUE);
 184     m_imageListNormal->Add(wxICON(icon1));
 185     m_imageListNormal->Add(wxICON(icon2));
 186     SetImageList(m_imageListNormal);
 187 #endif // !MSW
 188
 189     m_showHidden = FALSE;
 190     m_rootId = AddRoot( _("Sections") );
 191     SetItemHasChildren(m_rootId);
 192     Expand(m_rootId); // automatically expand first level
 193 }
 194
 195 /* Quick macro. Don't worry, I'll #undef it later */
 196 #define ADD_SECTION(a,b) \
 197   if (wxPathExists((a))) { m_paths.Add( (a) ); m_names.Add( (b) ); };
 198
 199 void wxDirCtrl::SetupSections()
 200 {
 201   wxString home;
 202
 203   m_paths.Clear();
 204   m_names.Clear();
 205 #ifdef __WXMSW__
 206   // better than nothing
 207   ADD_SECTION(wxT("c:\\"), _("My Harddisk") )
 208 #else
 209   ADD_SECTION(wxT("/"), _("The Computer") )
 210   wxGetHomeDir(&home);
 211   ADD_SECTION(home, _("My Home") )
 212   ADD_SECTION(wxT("/mnt"), _("Mounted Devices") )
 213   ADD_SECTION(wxT("/usr/local"), _("User Local") )
 214   ADD_SECTION(wxT("/usr"), _("User") )
 215   ADD_SECTION(wxT("/var"), _("Variables") )
 216   ADD_SECTION(wxT("/etc"), _("Etcetera") )
 217   ADD_SECTION(wxT("/tmp"), _("Temporary") )
 218 #endif
 219 }
 220 #undef ADD_SECTION
 221
 222 void wxDirCtrl::CreateItems(const wxTreeItemId &parent)
 223 {
 224     wxTreeItemId id;
 225     wxDirItemData *dir_item;
 226
 227 //  wxASSERT(m_paths.Count() == m_names.Count());  ?
 228
 229     size_t count = m_paths.GetCount();
 230     for ( size_t i=0; i<count; i++)
 231     {
 232         dir_item = new wxDirItemData(m_paths[i],m_names[i]);
 233 #ifdef __WXMSW__
 234         id = AppendItem( parent, m_names[i], -1, -1, dir_item);
 235 #else
 236         id = AppendItem( parent, m_names[i], 0, -1, dir_item);
 237         SetItemImage( id, 1, wxTreeItemIcon_Expanded );
 238 #endif
 239         if (dir_item->m_hasSubDirs) SetItemHasChildren(id);
 240     }
 241 }
 242
 243 void wxDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 244 {
 245     // don't rename the main entry "Sections"
 246     if (event.GetItem() == m_rootId)
 247     {
 248         event.Veto();
 249         return;
 250     }
 251
 252     // don't rename the individual sections
 253     if (GetParent( event.GetItem() ) == m_rootId)
 254     {
 255         event.Veto();
 256         return;
 257     }
 258 }
 259
 260 void wxDirCtrl::OnEndEditItem(wxTreeEvent &event)
 261 {
 262     if ((event.GetLabel().IsEmpty()) ||
 263         (event.GetLabel() == _(".")) ||
 264         (event.GetLabel() == _("..")) ||
 265         (event.GetLabel().First( wxT("/") ) != wxNOT_FOUND))
 266     {
 267         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 268         dialog.ShowModal();
 269         event.Veto();
 270         return;
 271     }
 272
 273     wxTreeItemId id = event.GetItem();
 274     wxDirItemData *data = (wxDirItemData*)GetItemData( id );
 275     wxASSERT( data );
 276
 277     wxString new_name( wxPathOnly( data->m_path ) );
 278     new_name += wxT("/");
 279     new_name += event.GetLabel();
 280
 281     wxLogNull log;
 282
 283     if (wxFileExists(new_name))
 284     {
 285         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 286         dialog.ShowModal();
 287         event.Veto();
 288     }
 289
 290     if (wxRenameFile(data->m_path,new_name))
 291     {
 292         data->SetNewDirName( new_name );
 293     }
 294     else
 295     {
 296         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 297         dialog.ShowModal();
 298         event.Veto();
 299     }
 300 }
 301
 302 void wxDirCtrl::OnExpandItem(wxTreeEvent &event)
 303 {
 304     if (event.GetItem() == m_rootId)
 305     {
 306         SetupSections();
 307         CreateItems(m_rootId);
 308         return;
 309     }
 310
 311     // This may take a longish time. Go to busy cursor
 312     wxBeginBusyCursor();
 313
 314     wxDirItemData *data = (wxDirItemData *)GetItemData(event.GetItem());
 315     wxASSERT(data);
 316
 317     m_paths.Clear();
 318     m_names.Clear();
 319
 320     wxDir dir(data->m_path);
 321
 322     wxString filename;
 323     bool cont = dir.GetFirst(&filename, "", wxDIR_DIRS | wxDIR_HIDDEN);
 324     while ( cont )
 325     {
 326         m_paths.Add(data->m_path);
 327         m_names.Add(filename);
 328
 329         cont = dir.GetNext(&filename);
 330     }
 331
 332     CreateItems( event.GetItem() );
 333     SortChildren( event.GetItem() );
 334
 335     wxEndBusyCursor();
 336 }
 337
 338 void wxDirCtrl::OnCollapseItem(wxTreeEvent &event )
 339 {
 340     wxTreeItemId child, parent = event.GetItem();
 341     long cookie;
 342     /* Workaround because DeleteChildren has disapeared (why?) and
 343      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 344     child = GetFirstChild(parent, cookie);
 345     while (child.IsOk())
 346     {
 347         Delete(child);
 348         /* Not GetNextChild below, because the cookie mechanism can't
 349          * handle disappearing children! */
 350         child = GetFirstChild(parent, cookie);
 351     }
 352 }
 353
 354 //-----------------------------------------------------------------------------
 355 // wxDirDialog
 356 //-----------------------------------------------------------------------------
 357
 358
 359 IMPLEMENT_DYNAMIC_CLASS( wxDirDialog, wxDialog )
 360
 361 BEGIN_EVENT_TABLE( wxDirDialog, wxDialog )
 362   EVT_TREE_KEY_DOWN        (ID_DIRCTRL,   wxDirDialog::OnTreeKeyDown)
 363   EVT_TREE_SEL_CHANGED     (ID_DIRCTRL,   wxDirDialog::OnTreeSelected)
 364   EVT_SIZE                 (              wxDirDialog::OnSize)
 365   EVT_BUTTON               (ID_OK,        wxDirDialog::OnOK)
 366   EVT_BUTTON               (ID_CANCEL,    wxDirDialog::OnCancel)
 367   EVT_BUTTON               (ID_NEW,       wxDirDialog::OnNew)
 368   EVT_TEXT_ENTER           (ID_TEXTCTRL,  wxDirDialog::OnOK)
 369   //  EVT_CHECKBOX             (ID_CHECK,     wxDirDialog::OnCheck)
 370 END_EVENT_TABLE()
 371
 372 wxDirDialog::wxDirDialog(wxWindow *parent,
 373                          const wxString& message,
 374                          const wxString& defaultPath,
 375                          long style,
 376                          const wxPoint& pos)
 377            : wxDialog(parent, -1, message, pos, wxSize(300,300),
 378                       wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
 379 {
 380     m_message = message;
 381     m_dialogStyle = style;
 382     m_parent = parent;
 383
 384     m_path = defaultPath;
 385
 386     wxBeginBusyCursor();
 387
 388     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 389
 390     // 1) dir ctrl
 391     m_dir = new wxDirCtrl( this, ID_DIRCTRL, _T("/"),
 392                            wxDefaultPosition,
 393                            wxSize(200,200),
 394                            wxTR_HAS_BUTTONS |
 395                            wxSUNKEN_BORDER |
 396                            wxTR_EDIT_LABELS );
 397     topsizer->Add( m_dir, 1, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, 10 );
 398
 399     // 2) text ctrl
 400     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
 401     topsizer->Add( m_input, 0, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, 10 );
 402
 403     // m_check = new wxCheckBox( this, ID_CHECK, _("Show hidden") );
 404     // m_check->SetValue(TRUE);
 405
 406 #if wxUSE_STATLINE
 407     // 3) static line
 408     topsizer->Add( new wxStaticLine( this, -1 ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 409 #endif
 410
 411     // 4) buttons
 412     wxSizer* buttonsizer = new wxBoxSizer( wxHORIZONTAL );
 413     m_ok = new wxButton( this, ID_OK, _("OK") );
 414     buttonsizer->Add( m_ok, 0, wxLEFT|wxRIGHT, 10 );
 415     m_cancel = new wxButton( this, ID_CANCEL, _("Cancel") );
 416     buttonsizer->Add( m_cancel, 0, wxLEFT|wxRIGHT, 10 );
 417     m_new = new wxButton( this, ID_NEW, _("New...") );
 418     buttonsizer->Add( m_new, 0, wxLEFT|wxRIGHT, 10 );
 419
 420     topsizer->Add( buttonsizer, 0, wxALL | wxCENTER, 10 );
 421
 422     m_ok->SetDefault();
 423     m_dir->SetFocus();
 424
 425     SetAutoLayout( TRUE );
 426     SetSizer( topsizer );
 427
 428     topsizer->SetSizeHints( this );
 429     topsizer->Fit( this );
 430
 431     Centre( wxBOTH );
 432
 433     if (m_path == wxT("~"))
 434         wxGetHomeDir( &m_path );
 435
 436     // choose the directory corresponding to defaultPath in the tree
 437     // VZ: using wxStringTokenizer is probably unsafe here (escaped slashes
 438     //     will not be processed correctly...)
 439     wxStringTokenizer tk(m_path, wxFILE_SEP_PATH, wxTOKEN_STRTOK);
 440
 441     wxString path;
 442
 443     long cookie = 0;
 444     // default to root dir
 445     wxTreeItemId item = m_dir->GetFirstChild(m_dir->GetRootItem(), cookie);
 446
 447     if (!m_path.IsEmpty() && (m_path != wxT("/")) && (m_dir->m_paths.Count() > 1))
 448     {
 449         size_t count = m_dir->m_paths.GetCount();
 450         for ( size_t i=1; i<count; i++)
 451         {
 452             if (m_path.Find( m_dir->m_paths[i] ) == 0)
 453             {
 454                 path = m_dir->m_paths[i];
 455
 456                 for (size_t j = 0; j < i; j++)
 457                    item = m_dir->GetNextChild(m_dir->GetRootItem(), cookie);
 458
 459                 wxStringTokenizer tk2(path, wxFILE_SEP_PATH, wxTOKEN_STRTOK);
 460                 for (size_t h = 0; h < tk2.CountTokens(); h++)
 461                    tk.GetNextToken();
 462
 463                 break;
 464             }
 465         }
 466     }
 467     while ( tk.HasMoreTokens() && item.IsOk() )
 468     {
 469         path << wxFILE_SEP_PATH << tk.GetNextToken();
 470
 471         m_dir->Expand(item);
 472
 473         wxTreeItemId child = m_dir->GetFirstChild(item, cookie);
 474         while ( child.IsOk() )
 475         {
 476             wxDirItemData *data = (wxDirItemData*)m_dir->GetItemData(child);
 477             if ( data->m_path == path )
 478                 break;
 479
 480             child = m_dir->GetNextChild(item, cookie);
 481         }
 482
 483         item = child;
 484     }
 485
 486     if ( item.IsOk() )
 487     {
 488         m_dir->Expand(item);
 489         m_dir->SelectItem(item);
 490         m_dir->EnsureVisible(item);
 491     }
 492
 493     wxEndBusyCursor();
 494 }
 495
 496 int wxDirDialog::ShowModal()
 497 {
 498     m_input->SetValue( m_path );
 499     return wxDialog::ShowModal();
 500 }
 501
 502 void wxDirDialog::OnTreeSelected( wxTreeEvent &event )
 503 {
 504     wxDirItemData *data = (wxDirItemData*)m_dir->GetItemData(event.GetItem());
 505     if (data)
 506        m_input->SetValue( data->m_path );
 507 };
 508
 509 void wxDirDialog::OnTreeKeyDown( wxTreeEvent &WXUNUSED(event) )
 510 {
 511     wxDirItemData *data = (wxDirItemData*)m_dir->GetItemData(m_dir->GetSelection());
 512     if (data)
 513         m_input->SetValue( data->m_path );
 514 };
 515
 516 void wxDirDialog::OnOK( wxCommandEvent& WXUNUSED(event) )
 517 {
 518   m_path = m_input->GetValue();
 519   // Does the path exist? (User may have typed anything in m_input)
 520   if (wxPathExists(m_path)) {
 521     // OK, path exists, we're done.
 522     EndModal(wxID_OK);
 523     return;
 524   }
 525   // Interact with user, find out if the dir is a typo or to be created
 526   wxString msg( _("The directory ") );
 527   msg = msg + m_path;
 528   msg = msg + _("\ndoes not exist\nCreate it now?") ;
 529   wxMessageDialog dialog(this, msg, _("Directory does not exist"), wxYES_NO | wxICON_WARNING );
 530   if ( dialog.ShowModal() == wxID_YES ) {
 531     // Okay, let's make it
 532     wxLogNull log;
 533     if (wxMkdir(m_path)) {
 534       // The new dir was created okay.
 535       EndModal(wxID_OK);
 536       return;
 537     }
 538     else {
 539       // Trouble...
 540       msg = _("Failed to create directory ")+m_path+
 541   _("\n(Do you have the required permissions?)");
 542       wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK | wxICON_ERROR);
 543       errmsg.ShowModal();
 544       // We still don't have a valid dir. Back to the main dialog.
 545     }
 546   }
 547   // User has answered NO to create dir.
 548 }
 549
 550 void wxDirDialog::OnCancel( wxCommandEvent& WXUNUSED(event) )
 551 {
 552   EndModal(wxID_CANCEL);
 553 }
 554
 555 void wxDirDialog::OnNew( wxCommandEvent& WXUNUSED(event) )
 556 {
 557     wxTreeItemId id = m_dir->GetSelection();
 558     if ((id == m_dir->GetRootItem()) ||
 559         (m_dir->GetParent(id) == m_dir->GetRootItem()))
 560     {
 561         wxMessageDialog msg(this, _("You cannot add a new directory to this section."),
 562                             _("Create directory"), wxOK | wxICON_INFORMATION );
 563         msg.ShowModal();
 564         return;
 565     }
 566
 567     wxTreeItemId parent = m_dir->GetParent( id );
 568     wxDirItemData *data = (wxDirItemData*)m_dir->GetItemData( parent );
 569     wxASSERT( data );
 570
 571     wxString new_name( wxT("NewName") );
 572     wxString path( data->m_path );
 573     path += wxT("/");
 574     path += new_name;
 575     if (wxFileExists(path))
 576     {
 577         // try NewName0, NewName1 etc.
 578         int i = 0;
 579         do {
 580             new_name = wxT("NewName");
 581             wxString num;
 582             num.Printf( wxT("%d"), i );
 583             new_name += num;
 584
 585             path = data->m_path;
 586             path += wxT("/");
 587             path += new_name;
 588             i++;
 589         } while (wxFileExists(path));
 590     }
 591
 592     wxLogNull log;
 593     if (!wxMkdir(path))
 594     {
 595         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 596         dialog.ShowModal();
 597         return;
 598     }
 599
 600     wxDirItemData *new_data = new wxDirItemData( path, new_name );
 601     wxTreeItemId new_id = m_dir->AppendItem( parent, new_name, 0, 1, new_data );
 602     m_dir->EnsureVisible( new_id );
 603     m_dir->EditLabel( new_id );
 604 }
 605
 606 /*
 607 void wxDirDialog::OnCheck( wxCommandEvent& WXUNUSED(event) )
 608 {
 609   printf("Checkbox clicked: %s\n", ( m_check->GetValue() ? "on" : "off" ) );
 610 }
 611 */
 612
 613 #endif // wxUSE_DIRDLG