src/gtk/dirdlg.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 // Copyright:   (c) Harm van der Heijden and Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "dirdlg.h"
  13 #endif
  14
  15 #include "wx/defs.h"
  16 #include "wx/utils.h"
  17 #include "wx/dialog.h"
  18 #include "wx/button.h"
  19 #include "wx/layout.h"
  20 #include "wx/msgdlg.h"
  21 #include "wx/textdlg.h"
  22 #include "wx/filefn.h"
  23 #include "wx/cmndata.h"
  24 #include "wx/gdicmn.h"
  25 #include "wx/dirdlg.h"
  26 #include "wx/intl.h"
  27 #include "wx/imaglist.h"
  28
  29
  30 /* XPM */
  31 static char * icon1_xpm[] = {
  32 /* width height ncolors chars_per_pixel */
  33 "16 16 6 1",
  34 /* colors */
  35 "       s None  c None",
  36 ".      c #000000",
  37 "+      c #c0c0c0",
  38 "@      c #808080",
  39 "#      c #ffff00",
  40 "$      c #ffffff",
  41 /* pixels */
  42 "                ",
  43 "   @@@@@        ",
  44 "  @#+#+#@       ",
  45 " @#+#+#+#@@@@@@ ",
  46 " @$$$$$$$$$$$$@.",
  47 " @$#+#+#+#+#+#@.",
  48 " @$+#+#+#+#+#+@.",
  49 " @$#+#+#+#+#+#@.",
  50 " @$+#+#+#+#+#+@.",
  51 " @$#+#+#+#+#+#@.",
  52 " @$+#+#+#+#+#+@.",
  53 " @$#+#+#+#+#+#@.",
  54 " @@@@@@@@@@@@@@.",
  55 "  ..............",
  56 "                ",
  57 "                "};
  58
  59
  60 static const int ID_DIRCTRL = 1000;
  61 static const int ID_TEXTCTRL = 1001;
  62 static const int ID_OK = 1002;
  63 static const int ID_CANCEL = 1003;
  64 static const int ID_NEW = 1004;
  65 //static const int ID_CHECK = 1005;
  66
  67 //-----------------------------------------------------------------------------
  68 // wxDirItemData
  69 //-----------------------------------------------------------------------------
  70
  71 wxDirItemData::wxDirItemData(wxString& path, wxString& name)
  72 {
  73   m_path = new wxString(path);
  74   m_name = new wxString(name);
  75   /* Insert logic to detect hidden files here
  76    * In UnixLand we just check whether the first char is a dot
  77    * For FileNameFromPath read LastDirNameInThisPath ;-) */
  78   // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
  79   m_isHidden = FALSE;
  80   m_hasSubDirs = HasSubDirs();
  81 }
  82
  83 wxDirItemData:: ~wxDirItemData()
  84 {
  85   delete m_path;
  86   delete m_name;
  87 }
  88
  89 bool wxDirItemData::HasSubDirs()
  90 {
  91   wxString search = *m_path + "/*";
  92   wxString path = wxFindFirstFile( search, wxDIR );
  93   return (bool)(!path.IsNull());
  94 }
  95
  96 //-----------------------------------------------------------------------------
  97 // wxDirCtrl
  98 //-----------------------------------------------------------------------------
  99
 100 IMPLEMENT_DYNAMIC_CLASS(wxDirCtrl,wxTreeCtrl)
 101
 102 BEGIN_EVENT_TABLE(wxDirCtrl,wxTreeCtrl)
 103   EVT_TREE_ITEM_EXPANDING     (-1, wxDirCtrl::OnExpandItem)
 104   EVT_TREE_ITEM_COLLAPSED     (-1, wxDirCtrl::OnCollapseItem)
 105 END_EVENT_TABLE()
 106
 107 wxDirCtrl::wxDirCtrl(void)
 108 {
 109   m_showHidden = FALSE;
 110 };
 111
 112 wxDirCtrl::wxDirCtrl(wxWindow *parent, const wxWindowID id, const wxString &WXUNUSED(dir),
 113             const wxPoint& pos, const wxSize& size,
 114             const long style, const wxString& name )
 115  :
 116   wxTreeCtrl( parent, id, pos, size, style, wxDefaultValidator, name )
 117 {
 118   m_imageListNormal = new wxImageList(16, 16, TRUE);
 119   m_imageListNormal->Add(wxICON(icon1));
 120   SetImageList(m_imageListNormal);
 121
 122   m_showHidden = FALSE;
 123   m_rootId = AddRoot("Sections");
 124   SetItemHasChildren(m_rootId);
 125   Expand(m_rootId); // automatically expand first level
 126 };
 127
 128 /* Quick macro. Don't worry, I'll #undef it later */
 129 #define ADD_SECTION(a,b) \
 130   if (wxPathExists((a))) { m_paths.Add( (a) ); m_names.Add( (b) ); };
 131
 132 void wxDirCtrl::SetupSections()
 133 {
 134   wxString home;
 135
 136   m_paths.Clear();
 137   m_names.Clear();
 138   ADD_SECTION("/", _("The Computer") )
 139   wxGetHomeDir(&home);
 140   ADD_SECTION(home, _("My Home") )
 141   ADD_SECTION("/mnt", _("Mounted Devices") )
 142   ADD_SECTION("/usr", _("User") )
 143   ADD_SECTION("/usr/local", _("User Local") )
 144   ADD_SECTION("/var", _("Variables") )
 145   ADD_SECTION("/etc", _("Etcetera") )
 146   ADD_SECTION("/tmp", _("Temporary") )
 147 }
 148 #undef ADD_SECTION
 149
 150 void wxDirCtrl::CreateItems(const wxTreeItemId &parent)
 151 {
 152   wxTreeItemId id;
 153   wxDirItemData *dir_item;
 154
 155 //  wxASSERT(m_paths.Count() == m_names.Count());  ?
 156
 157   for (unsigned int i=0; i<m_paths.Count(); i++)
 158   {
 159     dir_item = new wxDirItemData(m_paths[i],m_names[i]);
 160     id = AppendItem( parent, m_names[i], 0, -1, dir_item);
 161     if (dir_item->m_hasSubDirs) SetItemHasChildren(id);
 162   }
 163 }
 164
 165 void wxDirCtrl::OnExpandItem( const wxTreeEvent &event )
 166 {
 167   if (event.GetItem() == m_rootId)
 168   {
 169     SetupSections();
 170     CreateItems(m_rootId);
 171     return;
 172   };
 173
 174   // This may take a longish time. Go to busy cursor
 175   wxBeginBusyCursor();
 176
 177   wxDirItemData *data = (wxDirItemData *)GetItemData(event.GetItem());
 178   wxASSERT(data);
 179
 180   wxString search,path,filename;
 181
 182   m_paths.Clear();
 183   m_names.Clear();
 184   search = *(data->m_path) + "/*";
 185   for (path = wxFindFirstFile( search, wxDIR ); !path.IsNull();
 186        path=wxFindNextFile() ) {
 187     filename = wxFileNameFromPath( path );
 188     /* Don't add "." and ".." to the tree. I think wxFindNextFile
 189      * also checks this, but I don't quite understand what happens
 190      * there. Also wxFindNextFile seems to swallow hidden dirs */
 191     if ((filename != ".") && (filename != "..")) {
 192       m_paths.Add(path);
 193       m_names.Add(filename);
 194     }
 195   }
 196   CreateItems(event.GetItem());
 197   wxEndBusyCursor();
 198 };
 199
 200
 201 void wxDirCtrl::OnCollapseItem( const wxTreeEvent &event )
 202 {
 203   wxTreeItemId child, parent = event.GetItem();
 204   long cookie;
 205   /* Workaround because DeleteChildren has disapeared (why?) and
 206    * CollapseAndReset doesn't work as advertised (deletes parent too) */
 207   child = GetFirstChild(parent, cookie);
 208   while (child.IsOk()) {
 209     Delete(child);
 210     /* Not GetNextChild below, because the cookie mechanism can't
 211      * handle disappearing children! */
 212     child = GetFirstChild(parent, cookie);
 213   }
 214 };
 215
 216 //-----------------------------------------------------------------------------
 217 // wxDirDialog
 218 //-----------------------------------------------------------------------------
 219
 220
 221 #if !USE_SHARED_LIBRARY
 222 IMPLEMENT_CLASS(wxDirDialog, wxDialog)
 223 #else
 224 IMPLEMENT_DYNAMIC_CLASS( wxDirDialog, wxDialog )
 225 #endif
 226
 227 BEGIN_EVENT_TABLE( wxDirDialog, wxDialog )
 228   EVT_TREE_KEY_DOWN        (ID_DIRCTRL,   wxDirDialog::OnTreeKeyDown)
 229   EVT_TREE_SEL_CHANGED     (ID_DIRCTRL,   wxDirDialog::OnTreeSelected)
 230   EVT_SIZE                 (              wxDirDialog::OnSize)
 231   EVT_BUTTON               (ID_OK,        wxDirDialog::OnOK)
 232   EVT_BUTTON               (ID_CANCEL,    wxDirDialog::OnCancel)
 233   EVT_BUTTON               (ID_NEW,       wxDirDialog::OnNew)
 234   EVT_TEXT_ENTER           (ID_TEXTCTRL,  wxDirDialog::OnOK)
 235   //  EVT_CHECKBOX             (ID_CHECK,     wxDirDialog::OnCheck)
 236 END_EVENT_TABLE()
 237
 238 wxDirDialog::wxDirDialog(wxWindow *parent, const wxString& message,
 239                          const wxString& defaultPath, long style,
 240                          const wxPoint& pos) :
 241   wxDialog(parent, -1, message, pos, wxSize(300,300),
 242            wxDEFAULT_DIALOG_STYLE|wxDIALOG_MODAL)
 243 {
 244   m_message = message;
 245   m_dialogStyle = style;
 246   m_parent = parent;
 247
 248   m_path = defaultPath;
 249
 250   m_dir = new wxDirCtrl( this, ID_DIRCTRL, "/", wxDefaultPosition, wxDefaultSize, wxTR_HAS_BUTTONS | wxSUNKEN_BORDER );
 251   m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
 252   // m_check = new wxCheckBox( this, ID_CHECK, _("Show hidden") );
 253   m_ok = new wxButton( this, ID_OK, _("OK") );
 254   m_cancel = new wxButton( this, ID_CANCEL, _("Cancel") );
 255   m_new = new wxButton( this, ID_NEW, _("New...") );
 256
 257   // m_check->SetValue(TRUE);
 258   m_ok->SetDefault();
 259   m_dir->SetFocus();
 260
 261   doSize();
 262 }
 263
 264 void wxDirDialog::OnSize(wxSizeEvent& WXUNUSED(event))
 265 {
 266   doSize();
 267 }
 268
 269 void wxDirDialog::doSize()
 270 {
 271   /* Figure out height of DirCtrl, which is what is left over by
 272    * the textctrl and the buttons. Manually, because I can't seem
 273    * to get the constraints stuff to do this */
 274   int w,h,h2;
 275
 276   GetClientSize(&w, &h);
 277   m_input->GetSize(&w,&h2); h -= h2;
 278   m_ok->GetSize(&w, &h2); h -= h2;
 279   //m_check->GetSize(&w, &h2); h -= h2;
 280   h -= 20;
 281
 282   wxLayoutConstraints *c = new wxLayoutConstraints;
 283   c->left.SameAs        (this, wxLeft,5);
 284   c->right.SameAs        (this, wxRight,5);
 285   c->height.Absolute    (h);
 286   c->top.SameAs         (this, wxTop,5);
 287   m_dir->SetConstraints(c);
 288
 289   c = new wxLayoutConstraints;
 290   c->left.SameAs        (this, wxLeft,5);
 291   c->right.SameAs        (this, wxRight,5);
 292   c->height.AsIs        ();
 293   c->top.Below          (m_dir,5);
 294   m_input->SetConstraints(c);
 295
 296   /*  c = new wxLayoutConstraints;
 297   c->left.SameAs        (this, wxLeft,5);
 298   c->right.SameAs        (this, wxRight,5);
 299   c->height.AsIs        ();
 300   c->top.Below          (m_input,5);
 301   m_check->SetConstraints(c); */
 302
 303   c = new wxLayoutConstraints;
 304   c->width.SameAs       (m_cancel, wxWidth);
 305   c->height.AsIs        ();
 306   c->top.Below          (m_input,5);
 307   c->centreX.PercentOf  (this, wxWidth, 25);
 308   m_ok->SetConstraints(c);
 309
 310   c = new wxLayoutConstraints;
 311   c->width.SameAs       (m_cancel, wxWidth);
 312   c->height.AsIs        ();
 313   c->top.Below          (m_input,5);
 314   c->bottom.SameAs      (this, wxBottom, 5);
 315   c->centreX.PercentOf  (this, wxWidth, 50);
 316   m_new->SetConstraints(c);
 317
 318   c = new wxLayoutConstraints;
 319   c->width.AsIs         ();
 320   c->height.AsIs        ();
 321   c->top.Below          (m_input,5);
 322   c->centreX.PercentOf  (this, wxWidth, 75);
 323   m_cancel->SetConstraints(c);
 324
 325   Layout();
 326 }
 327
 328 int wxDirDialog::ShowModal()
 329 {
 330   m_input->SetValue( m_path );
 331   return wxDialog::ShowModal();
 332 }
 333
 334 void wxDirDialog::OnTreeSelected( wxTreeEvent &event )
 335 {
 336   wxDirItemData *data =
 337     (wxDirItemData*)m_dir->GetItemData(event.GetItem());
 338   if (data)
 339     m_input->SetValue( *(data->m_path) );
 340 };
 341
 342 void wxDirDialog::OnTreeKeyDown( wxKeyEvent &WXUNUSED(event) )
 343 {
 344   wxDirItemData *data =
 345     (wxDirItemData*)m_dir->GetItemData(m_dir->GetSelection());
 346   if (data)
 347     m_input->SetValue( *(data->m_path) );
 348 };
 349
 350 void wxDirDialog::OnOK( wxCommandEvent& WXUNUSED(event) )
 351 {
 352   m_path = m_input->GetValue();
 353   // Does the path exist? (User may have typed anything in m_input)
 354   if (wxPathExists(m_path)) {
 355     // OK, path exists, we're done.
 356     EndModal(wxID_OK);
 357     return;
 358   }
 359   // Interact with user, find out if the dir is a typo or to be created
 360   wxString msg( _("The directory ") );
 361   msg = msg + m_path;
 362   msg = msg + _("\ndoes not exist\nCreate it now?") ;
 363   wxMessageDialog dialog(this, msg, _("Directory does not exist"), wxYES_NO);
 364   if ( dialog.ShowModal() == wxID_YES ) {
 365     // Okay, let's make it
 366     if (wxMkdir(m_path)) {
 367       // The new dir was created okay.
 368       EndModal(wxID_OK);
 369       return;
 370     }
 371     else {
 372       // Trouble...
 373       msg = _("Failed to create directory ")+m_path+
 374         _("\n(Do you have the required permissions?)");
 375       wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK);
 376       errmsg.ShowModal();
 377       // We still don't have a valid dir. Back to the main dialog.
 378     }
 379   }
 380   // User has answered NO to create dir.
 381 }
 382
 383 void wxDirDialog::OnCancel( wxCommandEvent& WXUNUSED(event) )
 384 {
 385   EndModal(wxID_CANCEL);
 386 }
 387
 388 void wxDirDialog::OnNew( wxCommandEvent& WXUNUSED(event) )
 389 {
 390   wxTextEntryDialog dialog(this, _("Enter the name of the directory to create"),
 391         _("Create New Directory"), m_input->GetValue(), wxOK|wxCANCEL);
 392
 393   while (dialog.ShowModal() == wxID_OK)
 394   {
 395     // Okay, let's make it
 396     if (wxMkdir(dialog.GetValue())) {
 397       // The new dir was created okay.
 398       m_path = dialog.GetValue();
 399       return;
 400     }
 401     wxString msg = _("Failed to create directory ")+dialog.GetValue()+
 402       _("\n(Do you have the required permissions?)") ;
 403     wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK);
 404     errmsg.ShowModal();
 405     // Show the create dialog again, until user clicks cancel or enters
 406     // a valid dir.
 407   }
 408 }
 409
 410 /*
 411 void wxDirDialog::OnCheck( wxCommandEvent& WXUNUSED(event) )
 412 {
 413   printf("Checkbox clicked: %s\n", ( m_check->GetValue() ? "on" : "off" ) );
 414 }
 415 */