src/generic/dirdlgg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/dirdlg.cpp
   3 // Purpose:     wxDirDialog
   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, Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_DIRDLG
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/textctrl.h"
  23     #include "wx/button.h"
  24     #include "wx/checkbox.h"
  25     #include "wx/sizer.h"
  26     #include "wx/intl.h"
  27     #include "wx/log.h"
  28     #include "wx/msgdlg.h"
  29     #include "wx/bmpbuttn.h"
  30 #endif
  31
  32 #include "wx/statline.h"
  33 #include "wx/dirctrl.h"
  34 #include "wx/generic/dirdlgg.h"
  35 #include "wx/artprov.h"
  36
  37 // ----------------------------------------------------------------------------
  38 // constants
  39 // ----------------------------------------------------------------------------
  40
  41 static const int ID_DIRCTRL = 1000;
  42 static const int ID_TEXTCTRL = 1001;
  43 static const int ID_NEW = 1004;
  44 static const int ID_SHOW_HIDDEN = 1005;
  45 static const int ID_GO_HOME = 1006;
  46
  47 // ---------------------------------------------------------------------------
  48 // macros
  49 // ---------------------------------------------------------------------------
  50
  51 /* Macro for avoiding #ifdefs when value have to be different depending on size of
  52    device we display on - take it from something like wxDesktopPolicy in the future
  53  */
  54
  55 #if defined(__SMARTPHONE__)
  56     #define wxLARGESMALL(large,small) small
  57 #else
  58     #define wxLARGESMALL(large,small) large
  59 #endif
  60
  61 //-----------------------------------------------------------------------------
  62 // wxGenericDirDialog
  63 //-----------------------------------------------------------------------------
  64
  65 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirDialog, wxDialog)
  66
  67 BEGIN_EVENT_TABLE(wxGenericDirDialog, wxDialog)
  68     EVT_CLOSE                (wxGenericDirDialog::OnCloseWindow)
  69     EVT_BUTTON               (wxID_OK,        wxGenericDirDialog::OnOK)
  70     EVT_BUTTON               (ID_NEW,         wxGenericDirDialog::OnNew)
  71     EVT_BUTTON               (ID_GO_HOME,     wxGenericDirDialog::OnGoHome)
  72     EVT_TREE_KEY_DOWN        (wxID_ANY,       wxGenericDirDialog::OnTreeKeyDown)
  73     EVT_TREE_SEL_CHANGED     (wxID_ANY,       wxGenericDirDialog::OnTreeSelected)
  74     EVT_TEXT_ENTER           (ID_TEXTCTRL,    wxGenericDirDialog::OnOK)
  75     EVT_CHECKBOX             (ID_SHOW_HIDDEN, wxGenericDirDialog::OnShowHidden)
  76 END_EVENT_TABLE()
  77
  78 wxGenericDirDialog::wxGenericDirDialog(wxWindow* parent, const wxString& title,
  79                                        const wxString& defaultPath, long style,
  80                                        const wxPoint& pos, const wxSize& sz,
  81                                        const wxString& name)
  82 {
  83     Create(parent, title, defaultPath, style, pos, sz, name);
  84 }
  85
  86 bool wxGenericDirDialog::Create(wxWindow* parent,
  87                                 const wxString& title,
  88                                 const wxString& defaultPath, long style,
  89                                 const wxPoint& pos,
  90                                 const wxSize& sz,
  91                                 const wxString& name)
  92 {
  93     wxBusyCursor cursor;
  94
  95     if (!wxDirDialogBase::Create(parent, title, defaultPath, style, pos, sz, name))
  96         return false;
  97
  98     m_path = defaultPath;
  99     if (m_path == wxT("~"))
 100         wxGetHomeDir(&m_path);
 101     if (m_path == wxT("."))
 102         m_path = wxGetCwd();
 103
 104     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 105
 106     // smartphones does not support or do not waste space for wxButtons
 107 #if defined(__SMARTPHONE__)
 108
 109     wxMenu *dirMenu = new wxMenu;
 110     dirMenu->Append(ID_GO_HOME, _("Home"));
 111
 112     if (!HasFlag(wxDD_DIR_MUST_EXIST))
 113     {
 114         dirMenu->Append(ID_NEW, _("New directory"));
 115     }
 116
 117     dirMenu->AppendCheckItem(ID_SHOW_HIDDEN, _("Show hidden directories"));
 118     dirMenu->AppendSeparator();
 119     dirMenu->Append(wxID_CANCEL, _("Cancel"));
 120
 121 #else
 122
 123     // 0) 'New' and 'Home' Buttons
 124     wxSizer* buttonsizer = new wxBoxSizer( wxHORIZONTAL );
 125
 126     // VS: 'Home directory' concept is unknown to MS-DOS
 127 #if !defined(__DOS__)
 128     wxBitmapButton* homeButton =
 129         new wxBitmapButton(this, ID_GO_HOME,
 130                            wxArtProvider::GetBitmap(wxART_GO_HOME, wxART_BUTTON));
 131     buttonsizer->Add( homeButton, 0, wxLEFT|wxRIGHT, 10 );
 132 #endif
 133
 134     // I'm not convinced we need a New button, and we tend to get annoying
 135     // accidental-editing with label editing enabled.
 136     if (!HasFlag(wxDD_DIR_MUST_EXIST))
 137     {
 138         wxBitmapButton* newButton =
 139             new wxBitmapButton(this, ID_NEW,
 140                             wxArtProvider::GetBitmap(wxART_NEW_DIR, wxART_BUTTON));
 141         buttonsizer->Add( newButton, 0, wxRIGHT, 10 );
 142 #if wxUSE_TOOLTIPS
 143         newButton->SetToolTip(_("Create new directory"));
 144 #endif
 145     }
 146
 147 #if wxUSE_TOOLTIPS
 148     homeButton->SetToolTip(_("Go to home directory"));
 149 #endif
 150
 151     topsizer->Add( buttonsizer, 0, wxTOP | wxALIGN_RIGHT, 10 );
 152
 153 #endif // __SMARTPHONE__/!__SMARTPHONE__
 154
 155     // 1) dir ctrl
 156     m_dirCtrl = NULL; // this is necessary, event handler called from
 157                       // wxGenericDirCtrl would crash otherwise!
 158     long dirStyle = wxDIRCTRL_DIR_ONLY | wxDEFAULT_CONTROL_BORDER;
 159
 160 #ifdef __WXMSW__
 161     if (!HasFlag(wxDD_DIR_MUST_EXIST))
 162     {
 163         // Only under Windows do we need the wxTR_EDIT_LABEL tree control style
 164         // before we can call EditLabel (required for "New directory")
 165         dirStyle |= wxDIRCTRL_EDIT_LABELS;
 166     }
 167 #endif
 168
 169     m_dirCtrl = new wxGenericDirCtrl(this, ID_DIRCTRL,
 170                                      m_path, wxDefaultPosition,
 171                                      wxSize(300, 200),
 172                                      dirStyle);
 173
 174     topsizer->Add( m_dirCtrl, 1, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, wxLARGESMALL(10,0) );
 175
 176 #ifndef __SMARTPHONE__
 177     // Make the an option depending on a flag?
 178     wxCheckBox* check = new wxCheckBox( this, ID_SHOW_HIDDEN, _("Show hidden directories") );
 179     topsizer->Add( check, 0, wxLEFT|wxRIGHT|wxTOP | wxALIGN_RIGHT, 10 );
 180 #endif // !__SMARTPHONE__
 181
 182     // 2) text ctrl
 183     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
 184     topsizer->Add( m_input, 0, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, wxLARGESMALL(10,0) );
 185
 186     // 3) buttons if any
 187     wxSizer *buttonSizer = CreateButtonSizer( wxOK|wxCANCEL , true, wxLARGESMALL(10,0) );
 188     if(buttonSizer->GetChildren().GetCount() > 0 )
 189     {
 190         topsizer->Add( buttonSizer, 0, wxEXPAND | wxALL, wxLARGESMALL(10,0) );
 191     }
 192     else
 193     {
 194         topsizer->AddSpacer( wxLARGESMALL(10,0) );
 195         delete buttonSizer;
 196     }
 197
 198 #ifdef __SMARTPHONE__
 199     // overwrite menu achieved with earlier CreateButtonSizer() call
 200     SetRightMenu(wxID_ANY, _("Options"), dirMenu);
 201 #endif
 202
 203     m_input->SetFocus();
 204
 205     SetAutoLayout( true );
 206     SetSizer( topsizer );
 207
 208     topsizer->SetSizeHints( this );
 209     topsizer->Fit( this );
 210
 211     Centre( wxBOTH );
 212
 213     return true;
 214 }
 215
 216 void wxGenericDirDialog::EndModal(int retCode)
 217 {
 218     // before proceeding, change the current working directory if user asked so
 219     if (retCode == wxID_OK && HasFlag(wxDD_CHANGE_DIR))
 220         wxSetWorkingDirectory(m_path);
 221
 222     wxDialog::EndModal(retCode);
 223 }
 224
 225 void wxGenericDirDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 226 {
 227     EndModal(wxID_CANCEL);
 228 }
 229
 230 void wxGenericDirDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 231 {
 232     m_path = m_input->GetValue();
 233
 234     // Does the path exist? (User may have typed anything in m_input)
 235     if (wxDirExists(m_path))
 236     {
 237         // OK, path exists, we're done.
 238         EndModal(wxID_OK);
 239         return;
 240     }
 241
 242     // Interact with user, find out if the dir is a typo or to be created
 243     wxString msg;
 244     msg.Printf(_("The directory '%s' does not exist\nCreate it now?"),
 245                m_path.c_str());
 246     wxMessageDialog dialog(this, msg, _("Directory does not exist"),
 247                            wxYES_NO | wxICON_WARNING);
 248
 249     if ( dialog.ShowModal() == wxID_YES )
 250     {
 251         // Okay, let's make it
 252         wxLogNull log;
 253         if (wxMkdir(m_path))
 254         {
 255             // The new dir was created okay.
 256             EndModal(wxID_OK);
 257             return;
 258         }
 259         else
 260         {
 261             // Trouble...
 262             msg.Printf(_("Failed to create directory '%s'\n(Do you have the required permissions?)"),
 263                        m_path.c_str());
 264             wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK | wxICON_ERROR);
 265             errmsg.ShowModal();
 266             // We still don't have a valid dir. Back to the main dialog.
 267         }
 268     }
 269     // User has answered NO to create dir.
 270 }
 271
 272 void wxGenericDirDialog::SetPath(const wxString& path)
 273 {
 274     m_dirCtrl->SetPath(path);
 275     m_path = path;
 276 }
 277
 278 wxString wxGenericDirDialog::GetPath(void) const
 279 {
 280     return m_path;
 281 }
 282
 283 int wxGenericDirDialog::ShowModal()
 284 {
 285     m_input->SetValue( m_path );
 286     return wxDialog::ShowModal();
 287 }
 288
 289 void wxGenericDirDialog::OnTreeSelected( wxTreeEvent &event )
 290 {
 291     if (!m_dirCtrl)
 292         return;
 293
 294     wxTreeItemId item = event.GetItem();
 295
 296     wxDirItemData *data = NULL;
 297
 298     if(item.IsOk())
 299         data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(item);
 300
 301     if (data)
 302        m_input->SetValue( data->m_path );
 303 }
 304
 305 void wxGenericDirDialog::OnTreeKeyDown( wxTreeEvent &WXUNUSED(event) )
 306 {
 307     if (!m_dirCtrl)
 308         return;
 309
 310     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(m_dirCtrl->GetTreeCtrl()->GetSelection());
 311     if (data)
 312         m_input->SetValue( data->m_path );
 313 }
 314
 315 void wxGenericDirDialog::OnShowHidden( wxCommandEvent& event )
 316 {
 317     if (!m_dirCtrl)
 318         return;
 319
 320     m_dirCtrl->ShowHidden( event.GetInt() != 0 );
 321 }
 322
 323 void wxGenericDirDialog::OnNew( wxCommandEvent& WXUNUSED(event) )
 324 {
 325     wxTreeItemId id = m_dirCtrl->GetTreeCtrl()->GetSelection();
 326     if ((id == m_dirCtrl->GetTreeCtrl()->GetRootItem()) ||
 327         (m_dirCtrl->GetTreeCtrl()->GetItemParent(id) == m_dirCtrl->GetTreeCtrl()->GetRootItem()))
 328     {
 329         wxMessageDialog msg(this, _("You cannot add a new directory to this section."),
 330                             _("Create directory"), wxOK | wxICON_INFORMATION );
 331         msg.ShowModal();
 332         return;
 333     }
 334
 335     wxTreeItemId parent = id ; // m_dirCtrl->GetTreeCtrl()->GetItemParent( id );
 336     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData( parent );
 337     wxASSERT( data );
 338
 339     wxString new_name( _("NewName") );
 340     wxString path( data->m_path );
 341     if (!wxEndsWithPathSeparator(path))
 342         path += wxFILE_SEP_PATH;
 343     path += new_name;
 344     if (wxDirExists(path))
 345     {
 346         // try NewName0, NewName1 etc.
 347         int i = 0;
 348         do {
 349             new_name = _("NewName");
 350             wxString num;
 351             num.Printf( wxT("%d"), i );
 352             new_name += num;
 353
 354             path = data->m_path;
 355             if (!wxEndsWithPathSeparator(path))
 356                 path += wxFILE_SEP_PATH;
 357             path += new_name;
 358             i++;
 359         } while (wxDirExists(path));
 360     }
 361
 362     wxLogNull log;
 363     if (!wxMkdir(path))
 364     {
 365         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 366         dialog.ShowModal();
 367         return;
 368     }
 369
 370     wxDirItemData *new_data = new wxDirItemData( path, new_name, true );
 371
 372     // TODO: THIS CODE DOESN'T WORK YET. We need to avoid duplication of the first child
 373     // of the parent.
 374     wxTreeItemId new_id = m_dirCtrl->GetTreeCtrl()->AppendItem( parent, new_name, 0, 0, new_data );
 375     m_dirCtrl->GetTreeCtrl()->EnsureVisible( new_id );
 376     m_dirCtrl->GetTreeCtrl()->EditLabel( new_id );
 377 }
 378
 379 void wxGenericDirDialog::OnGoHome(wxCommandEvent& WXUNUSED(event))
 380 {
 381     SetPath(wxGetUserHome());
 382 }
 383
 384 #endif // wxUSE_DIRDLG