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