src/generic/dirdlgg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "dirdlgg.h"
  14 #endif
  15
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #include "wx/defs.h"
  25
  26 #if wxUSE_DIRDLG
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/textctrl.h"
  30     #include "wx/button.h"
  31     #include "wx/checkbox.h"
  32     #include "wx/sizer.h"
  33     #include "wx/intl.h"
  34     #include "wx/log.h"
  35     #include "wx/msgdlg.h"
  36 #endif
  37
  38 #include "wx/statline.h"
  39 #include "wx/dirctrl.h"
  40 #include "wx/generic/dirdlgg.h"
  41 #include "wx/artprov.h"
  42 #include "wx/bmpbuttn.h"
  43
  44 // ----------------------------------------------------------------------------
  45 // constants
  46 // ----------------------------------------------------------------------------
  47
  48 static const int ID_DIRCTRL = 1000;
  49 static const int ID_TEXTCTRL = 1001;
  50 static const int ID_OK = 1002;
  51 static const int ID_CANCEL = 1003;
  52 static const int ID_NEW = 1004;
  53 static const int ID_SHOW_HIDDEN = 1005;
  54 static const int ID_GO_HOME = 1006;
  55
  56 // ---------------------------------------------------------------------------
  57 // macros
  58 // ---------------------------------------------------------------------------
  59
  60 /* Macro for avoiding #ifdefs when value have to be different depending on size of
  61    device we display on
  62  */
  63
  64 #if defined(__SMARTPHONE__)
  65     #define wxLARGESMALL(large,small) small
  66 #else
  67     #define wxLARGESMALL(large,small) large
  68 #endif
  69
  70 //-----------------------------------------------------------------------------
  71 // wxGenericDirDialog
  72 //-----------------------------------------------------------------------------
  73
  74 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirDialog, wxDialog)
  75
  76 BEGIN_EVENT_TABLE(wxGenericDirDialog, wxDialog)
  77     EVT_CLOSE                (wxGenericDirDialog::OnCloseWindow)
  78     EVT_BUTTON               (wxID_OK,        wxGenericDirDialog::OnOK)
  79     EVT_BUTTON               (ID_NEW,         wxGenericDirDialog::OnNew)
  80     EVT_BUTTON               (ID_GO_HOME,     wxGenericDirDialog::OnGoHome)
  81     EVT_TREE_KEY_DOWN        (wxID_ANY,       wxGenericDirDialog::OnTreeKeyDown)
  82     EVT_TREE_SEL_CHANGED     (wxID_ANY,       wxGenericDirDialog::OnTreeSelected)
  83     EVT_TEXT_ENTER           (ID_TEXTCTRL,    wxGenericDirDialog::OnOK)
  84     EVT_CHECKBOX             (ID_SHOW_HIDDEN, wxGenericDirDialog::OnShowHidden)
  85 END_EVENT_TABLE()
  86
  87 wxGenericDirDialog::wxGenericDirDialog(wxWindow* parent, const wxString& title,
  88                                        const wxString& defaultPath, long style,
  89                                        const wxPoint& pos, const wxSize& sz,
  90                                        const wxString& name):
  91                 wxDialog(parent, ID_DIRCTRL, title, pos, sz, style, name)
  92 {
  93     wxBusyCursor cursor;
  94
  95     m_path = defaultPath;
  96     if (m_path == wxT("~"))
  97         wxGetHomeDir(&m_path);
  98     if (m_path == wxT("."))
  99         m_path = wxGetCwd();
 100
 101     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 102
 103     // Smartphone does not have buttons
 104 #if defined(__SMARTPHONE__)
 105
 106     // FIXME: make 'new dir' and 'home' in local dialog menu
 107
 108 #else
 109
 110     // 0) 'New' and 'Home' Buttons
 111     wxSizer* buttonsizer = new wxBoxSizer( wxHORIZONTAL );
 112
 113     // VS: 'Home directory' concept is unknown to MS-DOS
 114 #if !defined(__DOS__)
 115     wxBitmapButton* homeButton =
 116         new wxBitmapButton(this, ID_GO_HOME,
 117                            wxArtProvider::GetBitmap(wxART_GO_HOME, wxART_BUTTON));
 118     buttonsizer->Add( homeButton, 0, wxLEFT|wxRIGHT, 10 );
 119 #endif
 120
 121     // I'm not convinced we need a New button, and we tend to get annoying
 122     // accidental-editing with label editing enabled.
 123     if (style & wxDD_NEW_DIR_BUTTON)
 124     {
 125         wxBitmapButton* newButton =
 126             new wxBitmapButton(this, ID_NEW,
 127                             wxArtProvider::GetBitmap(wxART_NEW_DIR, wxART_BUTTON));
 128         buttonsizer->Add( newButton, 0, wxRIGHT, 10 );
 129 #if wxUSE_TOOLTIPS
 130         newButton->SetToolTip(_("Create new directory"));
 131 #endif
 132     }
 133
 134 #if wxUSE_TOOLTIPS
 135     homeButton->SetToolTip(_("Go to home directory"));
 136 #endif
 137
 138     topsizer->Add( buttonsizer, 0, wxTOP | wxALIGN_RIGHT, 10 );
 139
 140 #endif // __SMARTPHONE__/!__SMARTPHONE__
 141
 142     // 1) dir ctrl
 143     m_dirCtrl = NULL; // this is neccessary, event handler called from
 144                       // wxGenericDirCtrl would crash otherwise!
 145     long dirStyle = wxDIRCTRL_DIR_ONLY|wxSUNKEN_BORDER;
 146
 147 #ifdef __WXMSW__
 148     if (style & wxDD_NEW_DIR_BUTTON)
 149     {
 150         // Only under Windows do we need the wxTR_EDIT_LABEL tree control style
 151         // before we can call EditLabel (required for "New directory")
 152         dirStyle |= wxDIRCTRL_EDIT_LABELS;
 153     }
 154 #endif
 155
 156     m_dirCtrl = new wxGenericDirCtrl(this, ID_DIRCTRL,
 157                                      m_path, wxDefaultPosition,
 158                                      wxSize(300, 200),
 159                                      dirStyle);
 160
 161     topsizer->Add( m_dirCtrl, 1, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, wxLARGESMALL(10,0) );
 162
 163 #ifndef __SMARTPHONE__
 164     // Make the an option depending on a flag?
 165     wxCheckBox* check = new wxCheckBox( this, ID_SHOW_HIDDEN, _("Show hidden directories") );
 166     topsizer->Add( check, 0, wxLEFT|wxRIGHT|wxTOP | wxALIGN_RIGHT, 10 );
 167 #endif // !__SMARTPHONE__
 168
 169     // 2) text ctrl
 170     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
 171     topsizer->Add( m_input, 0, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, wxLARGESMALL(10,0) );
 172
 173 #ifdef __SMARTPHONE__
 174
 175     SetRightMenu(wxID_CANCEL, _("Cancel"));
 176
 177 #else // __SMARTPHONE__/!__SMARTPHONE__
 178
 179 #if wxUSE_STATLINE
 180     // 3) Static line
 181     topsizer->Add( new wxStaticLine( this, wxID_ANY ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 182 #endif
 183
 184     // 4) Buttons
 185     buttonsizer = new wxBoxSizer( wxHORIZONTAL );
 186
 187     // OK and Cancel button should be at the right bottom
 188     wxButton* okButton = new wxButton(this, wxID_OK);
 189     buttonsizer->Add( okButton, 0, wxLEFT|wxRIGHT, 10 );
 190     wxButton* cancelButton = new wxButton(this, wxID_CANCEL);
 191     buttonsizer->Add( cancelButton, 0, wxLEFT|wxRIGHT, 10 );
 192
 193     topsizer->Add( buttonsizer, 0, wxLEFT|wxTOP|wxBOTTOM | wxALIGN_RIGHT, 10 );
 194
 195     okButton->SetDefault();
 196
 197 #endif // !__SMARTPHONE__
 198
 199     m_dirCtrl->SetFocus();
 200
 201     SetAutoLayout( true );
 202     SetSizer( topsizer );
 203
 204     topsizer->SetSizeHints( this );
 205     topsizer->Fit( this );
 206
 207     Centre( wxBOTH );
 208 }
 209
 210 void wxGenericDirDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 211 {
 212     EndModal(wxID_CANCEL);
 213 }
 214
 215 void wxGenericDirDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 216 {
 217     m_path = m_input->GetValue();
 218     // Does the path exist? (User may have typed anything in m_input)
 219     if (wxPathExists(m_path)) {
 220         // OK, path exists, we're done.
 221         EndModal(wxID_OK);
 222         return;
 223     }
 224     // Interact with user, find out if the dir is a typo or to be created
 225     wxString msg;
 226     msg.Printf(_("The directory '%s' does not exist\nCreate it now?"),
 227                m_path.c_str());
 228     wxMessageDialog dialog(this, msg, _("Directory does not exist"),
 229                            wxYES_NO | wxICON_WARNING);
 230
 231     if ( dialog.ShowModal() == wxID_YES ) {
 232         // Okay, let's make it
 233         wxLogNull log;
 234         if (wxMkdir(m_path)) {
 235             // The new dir was created okay.
 236             EndModal(wxID_OK);
 237             return;
 238         }
 239         else {
 240             // Trouble...
 241             msg.Printf(_("Failed to create directory '%s'\n(Do you have the required permissions?)"),
 242                        m_path.c_str());
 243             wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK | wxICON_ERROR);
 244             errmsg.ShowModal();
 245             // We still don't have a valid dir. Back to the main dialog.
 246         }
 247     }
 248     // User has answered NO to create dir.
 249 }
 250
 251 void wxGenericDirDialog::SetPath(const wxString& path)
 252 {
 253     m_dirCtrl->SetPath(path);
 254     m_path = path;
 255 }
 256
 257 wxString wxGenericDirDialog::GetPath(void) const
 258 {
 259     return m_path;
 260 }
 261
 262 int wxGenericDirDialog::ShowModal()
 263 {
 264     m_input->SetValue( m_path );
 265     return wxDialog::ShowModal();
 266 }
 267
 268 void wxGenericDirDialog::OnTreeSelected( wxTreeEvent &event )
 269 {
 270     if (!m_dirCtrl)
 271         return;
 272
 273     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(event.GetItem());
 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 (wxFileExists(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 (wxFileExists(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