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