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