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 #include "wx/menu.h"
  37
  38 // ----------------------------------------------------------------------------
  39 // constants
  40 // ----------------------------------------------------------------------------
  41
  42 static const int ID_DIRCTRL = 1000;
  43 static const int ID_TEXTCTRL = 1001;
  44 static const int ID_NEW = 1004;
  45 static const int ID_SHOW_HIDDEN = 1005;
  46 static const int ID_GO_HOME = 1006;
  47
  48 //-----------------------------------------------------------------------------
  49 // wxGenericDirDialog
  50 //-----------------------------------------------------------------------------
  51
  52 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirDialog, wxDialog)
  53
  54 BEGIN_EVENT_TABLE(wxGenericDirDialog, wxDialog)
  55     EVT_CLOSE                (wxGenericDirDialog::OnCloseWindow)
  56     EVT_BUTTON               (wxID_OK,        wxGenericDirDialog::OnOK)
  57     EVT_BUTTON               (ID_NEW,         wxGenericDirDialog::OnNew)
  58     EVT_BUTTON               (ID_GO_HOME,     wxGenericDirDialog::OnGoHome)
  59     EVT_TREE_KEY_DOWN        (wxID_ANY,       wxGenericDirDialog::OnTreeKeyDown)
  60     EVT_TREE_SEL_CHANGED     (wxID_ANY,       wxGenericDirDialog::OnTreeSelected)
  61     EVT_TEXT_ENTER           (ID_TEXTCTRL,    wxGenericDirDialog::OnOK)
  62     EVT_CHECKBOX             (ID_SHOW_HIDDEN, wxGenericDirDialog::OnShowHidden)
  63 END_EVENT_TABLE()
  64
  65 wxGenericDirDialog::wxGenericDirDialog(wxWindow* parent, const wxString& title,
  66                                        const wxString& defaultPath, long style,
  67                                        const wxPoint& pos, const wxSize& sz,
  68                                        const wxString& name)
  69 {
  70     Create(parent, title, defaultPath, style, pos, sz, name);
  71 }
  72
  73 bool wxGenericDirDialog::Create(wxWindow* parent,
  74                                 const wxString& title,
  75                                 const wxString& defaultPath, long style,
  76                                 const wxPoint& pos,
  77                                 const wxSize& sz,
  78                                 const wxString& name)
  79 {
  80     wxBusyCursor cursor;
  81
  82     parent = GetParentForModalDialog(parent, style);
  83
  84     if (!wxDirDialogBase::Create(parent, title, defaultPath, style, pos, sz, name))
  85         return false;
  86
  87     m_path = defaultPath;
  88     if (m_path == wxT("~"))
  89         wxGetHomeDir(&m_path);
  90     if (m_path == wxT("."))
  91         m_path = wxGetCwd();
  92
  93     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
  94
  95     // smartphones does not support or do not waste space for wxButtons
  96 #if defined(__SMARTPHONE__)
  97
  98     wxMenu *dirMenu = new wxMenu;
  99     dirMenu->Append(ID_GO_HOME, _("Home"));
 100
 101     if (!HasFlag(wxDD_DIR_MUST_EXIST))
 102     {
 103         dirMenu->Append(ID_NEW, _("New directory"));
 104     }
 105
 106     dirMenu->AppendCheckItem(ID_SHOW_HIDDEN, _("Show hidden directories"));
 107     dirMenu->AppendSeparator();
 108     dirMenu->Append(wxID_CANCEL, _("Cancel"));
 109
 110 #else
 111
 112     // 0) 'New' and 'Home' Buttons
 113     wxSizer* buttonsizer = new wxBoxSizer( wxHORIZONTAL );
 114
 115     // VS: 'Home directory' concept is unknown to MS-DOS
 116 #if !defined(__DOS__)
 117     wxBitmapButton* homeButton =
 118         new wxBitmapButton(this, ID_GO_HOME,
 119                            wxArtProvider::GetBitmap(wxART_GO_HOME, wxART_BUTTON));
 120     buttonsizer->Add( homeButton, 0, wxLEFT|wxRIGHT, 10 );
 121 #endif
 122
 123     // I'm not convinced we need a New button, and we tend to get annoying
 124     // accidental-editing with label editing enabled.
 125     if (!HasFlag(wxDD_DIR_MUST_EXIST))
 126     {
 127         wxBitmapButton* newButton =
 128             new wxBitmapButton(this, ID_NEW,
 129                             wxArtProvider::GetBitmap(wxART_NEW_DIR, wxART_BUTTON));
 130         buttonsizer->Add( newButton, 0, wxRIGHT, 10 );
 131 #if wxUSE_TOOLTIPS
 132         newButton->SetToolTip(_("Create new directory"));
 133 #endif
 134     }
 135
 136 #if wxUSE_TOOLTIPS
 137     homeButton->SetToolTip(_("Go to home directory"));
 138 #endif
 139
 140     topsizer->Add( buttonsizer, 0, wxTOP | wxALIGN_RIGHT, 10 );
 141
 142 #endif // __SMARTPHONE__/!__SMARTPHONE__
 143
 144     // 1) dir ctrl
 145     m_dirCtrl = NULL; // this is necessary, event handler called from
 146                       // wxGenericDirCtrl would crash otherwise!
 147     long dirStyle = wxDIRCTRL_DIR_ONLY | wxDEFAULT_CONTROL_BORDER;
 148
 149 #ifdef __WXMSW__
 150     if (!HasFlag(wxDD_DIR_MUST_EXIST))
 151     {
 152         // Only under Windows do we need the wxTR_EDIT_LABEL tree control style
 153         // before we can call EditLabel (required for "New directory")
 154         dirStyle |= wxDIRCTRL_EDIT_LABELS;
 155     }
 156 #endif
 157
 158     m_dirCtrl = new wxGenericDirCtrl(this, ID_DIRCTRL,
 159                                      m_path, wxDefaultPosition,
 160                                      wxSize(300, 200),
 161                                      dirStyle);
 162
 163     wxSizerFlags flagsBorder2;
 164     flagsBorder2.DoubleBorder(wxTOP | wxLEFT | wxRIGHT);
 165
 166     topsizer->Add(m_dirCtrl, wxSizerFlags(flagsBorder2).Proportion(1).Expand());
 167
 168 #ifndef __SMARTPHONE__
 169     // Make the an option depending on a flag?
 170     wxCheckBox *
 171         check = new wxCheckBox(this, ID_SHOW_HIDDEN, _("Show &hidden directories"));
 172     topsizer->Add(check, wxSizerFlags(flagsBorder2).Right());
 173 #endif // !__SMARTPHONE__
 174
 175     // 2) text ctrl
 176     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
 177     topsizer->Add(m_input, wxSizerFlags(flagsBorder2).Expand());
 178
 179     // 3) buttons if any
 180     wxSizer *buttonSizer = CreateSeparatedButtonSizer(wxOK | wxCANCEL);
 181     if ( buttonSizer )
 182     {
 183         topsizer->Add(buttonSizer, wxSizerFlags().Expand().DoubleBorder());
 184     }
 185
 186 #ifdef __SMARTPHONE__
 187     // overwrite menu set by CreateSeparatedButtonSizer() call above
 188     SetRightMenu(wxID_ANY, _("Options"), dirMenu);
 189 #endif
 190
 191     m_input->SetFocus();
 192
 193     SetAutoLayout( true );
 194     SetSizer( topsizer );
 195
 196     topsizer->SetSizeHints( this );
 197     topsizer->Fit( this );
 198
 199     Centre( wxBOTH );
 200
 201     return true;
 202 }
 203
 204 void wxGenericDirDialog::EndModal(int retCode)
 205 {
 206     // before proceeding, change the current working directory if user asked so
 207     if (retCode == wxID_OK && HasFlag(wxDD_CHANGE_DIR))
 208         wxSetWorkingDirectory(m_path);
 209
 210     wxDialog::EndModal(retCode);
 211 }
 212
 213 void wxGenericDirDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 214 {
 215     EndModal(wxID_CANCEL);
 216 }
 217
 218 void wxGenericDirDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 219 {
 220     m_path = m_input->GetValue();
 221
 222     // Does the path exist? (User may have typed anything in m_input)
 223     if (wxDirExists(m_path))
 224     {
 225         // OK, path exists, we're done.
 226         EndModal(wxID_OK);
 227         return;
 228     }
 229
 230     // Interact with user, find out if the dir is a typo or to be created
 231     wxString msg;
 232     msg.Printf(_("The directory '%s' does not exist\nCreate it now?"),
 233                m_path.c_str());
 234     wxMessageDialog dialog(this, msg, _("Directory does not exist"),
 235                            wxYES_NO | wxICON_WARNING);
 236
 237     if ( dialog.ShowModal() == wxID_YES )
 238     {
 239         // Okay, let's make it
 240         wxLogNull log;
 241         if (wxMkdir(m_path))
 242         {
 243             // The new dir was created okay.
 244             EndModal(wxID_OK);
 245             return;
 246         }
 247         else
 248         {
 249             // Trouble...
 250             msg.Printf(_("Failed to create directory '%s'\n(Do you have the required permissions?)"),
 251                        m_path.c_str());
 252             wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK | wxICON_ERROR);
 253             errmsg.ShowModal();
 254             // We still don't have a valid dir. Back to the main dialog.
 255         }
 256     }
 257     // User has answered NO to create dir.
 258 }
 259
 260 void wxGenericDirDialog::SetPath(const wxString& path)
 261 {
 262     m_dirCtrl->SetPath(path);
 263     m_path = path;
 264 }
 265
 266 wxString wxGenericDirDialog::GetPath(void) const
 267 {
 268     return m_path;
 269 }
 270
 271 int wxGenericDirDialog::ShowModal()
 272 {
 273     m_input->SetValue( m_path );
 274     return wxDialog::ShowModal();
 275 }
 276
 277 void wxGenericDirDialog::OnTreeSelected( wxTreeEvent &event )
 278 {
 279     if (!m_dirCtrl)
 280         return;
 281
 282     wxTreeItemId item = event.GetItem();
 283
 284     wxDirItemData *data = NULL;
 285
 286     if(item.IsOk())
 287         data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(item);
 288
 289     if (data)
 290        m_input->SetValue( data->m_path );
 291 }
 292
 293 void wxGenericDirDialog::OnTreeKeyDown( wxTreeEvent &WXUNUSED(event) )
 294 {
 295     if (!m_dirCtrl)
 296         return;
 297
 298     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(m_dirCtrl->GetTreeCtrl()->GetSelection());
 299     if (data)
 300         m_input->SetValue( data->m_path );
 301 }
 302
 303 void wxGenericDirDialog::OnShowHidden( wxCommandEvent& event )
 304 {
 305     if (!m_dirCtrl)
 306         return;
 307
 308     m_dirCtrl->ShowHidden( event.GetInt() != 0 );
 309 }
 310
 311 void wxGenericDirDialog::OnNew( wxCommandEvent& WXUNUSED(event) )
 312 {
 313     wxTreeItemId id = m_dirCtrl->GetTreeCtrl()->GetSelection();
 314     if ((id == m_dirCtrl->GetTreeCtrl()->GetRootItem()) ||
 315         (m_dirCtrl->GetTreeCtrl()->GetItemParent(id) == m_dirCtrl->GetTreeCtrl()->GetRootItem()))
 316     {
 317         wxMessageDialog msg(this, _("You cannot add a new directory to this section."),
 318                             _("Create directory"), wxOK | wxICON_INFORMATION );
 319         msg.ShowModal();
 320         return;
 321     }
 322
 323     wxTreeItemId parent = id ; // m_dirCtrl->GetTreeCtrl()->GetItemParent( id );
 324     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData( parent );
 325     wxASSERT( data );
 326
 327     wxString new_name( _("NewName") );
 328     wxString path( data->m_path );
 329     if (!wxEndsWithPathSeparator(path))
 330         path += wxFILE_SEP_PATH;
 331     path += new_name;
 332     if (wxDirExists(path))
 333     {
 334         // try NewName0, NewName1 etc.
 335         int i = 0;
 336         do {
 337             new_name = _("NewName");
 338             wxString num;
 339             num.Printf( wxT("%d"), i );
 340             new_name += num;
 341
 342             path = data->m_path;
 343             if (!wxEndsWithPathSeparator(path))
 344                 path += wxFILE_SEP_PATH;
 345             path += new_name;
 346             i++;
 347         } while (wxDirExists(path));
 348     }
 349
 350     wxLogNull log;
 351     if (!wxMkdir(path))
 352     {
 353         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 354         dialog.ShowModal();
 355         return;
 356     }
 357
 358     wxDirItemData *new_data = new wxDirItemData( path, new_name, true );
 359
 360     // TODO: THIS CODE DOESN'T WORK YET. We need to avoid duplication of the first child
 361     // of the parent.
 362     wxTreeItemId new_id = m_dirCtrl->GetTreeCtrl()->AppendItem( parent, new_name, 0, 0, new_data );
 363     m_dirCtrl->GetTreeCtrl()->EnsureVisible( new_id );
 364     m_dirCtrl->GetTreeCtrl()->EditLabel( new_id );
 365 }
 366
 367 void wxGenericDirDialog::OnGoHome(wxCommandEvent& WXUNUSED(event))
 368 {
 369     SetPath(wxGetUserHome());
 370 }
 371
 372 #endif // wxUSE_DIRDLG