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