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                 wxDirDialogBase(parent, title, defaultPath, style, pos, sz, name)
  83 {
  84     Create(parent, title, defaultPath, style, pos, sz, name);
  85 }
  86
  87 bool wxGenericDirDialog::Create(wxWindow* parent, const wxString& title,
  88                                        const wxString& defaultPath, long style,
  89                                        const wxPoint& pos, const wxSize& sz,
  90                                        const wxString& name)
  91 {
  92     wxBusyCursor cursor;
  93
  94     m_path = defaultPath;
  95     if (m_path == wxT("~"))
  96         wxGetHomeDir(&m_path);
  97     if (m_path == wxT("."))
  98         m_path = wxGetCwd();
  99
 100     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 101
 102     // smartphones does not support or do not waste space for wxButtons
 103 #if defined(__SMARTPHONE__)
 104
 105     wxMenu *dirMenu = new wxMenu;
 106     dirMenu->Append(ID_GO_HOME, _("Home"));
 107
 108     if (style & wxDD_NEW_DIR_BUTTON)
 109     {
 110         dirMenu->Append(ID_NEW, _("New directory"));
 111     }
 112
 113     dirMenu->AppendCheckItem(ID_SHOW_HIDDEN, _("Show hidden directories"));
 114     dirMenu->AppendSeparator();
 115     dirMenu->Append(wxID_CANCEL, _("Cancel"));
 116
 117 #else
 118
 119     // 0) 'New' and 'Home' Buttons
 120     wxSizer* buttonsizer = new wxBoxSizer( wxHORIZONTAL );
 121
 122     // VS: 'Home directory' concept is unknown to MS-DOS
 123 #if !defined(__DOS__)
 124     wxBitmapButton* homeButton =
 125         new wxBitmapButton(this, ID_GO_HOME,
 126                            wxArtProvider::GetBitmap(wxART_GO_HOME, wxART_BUTTON));
 127     buttonsizer->Add( homeButton, 0, wxLEFT|wxRIGHT, 10 );
 128 #endif
 129
 130     // I'm not convinced we need a New button, and we tend to get annoying
 131     // accidental-editing with label editing enabled.
 132     if (style & wxDD_NEW_DIR_BUTTON)
 133     {
 134         wxBitmapButton* newButton =
 135             new wxBitmapButton(this, ID_NEW,
 136                             wxArtProvider::GetBitmap(wxART_NEW_DIR, wxART_BUTTON));
 137         buttonsizer->Add( newButton, 0, wxRIGHT, 10 );
 138 #if wxUSE_TOOLTIPS
 139         newButton->SetToolTip(_("Create new directory"));
 140 #endif
 141     }
 142
 143 #if wxUSE_TOOLTIPS
 144     homeButton->SetToolTip(_("Go to home directory"));
 145 #endif
 146
 147     topsizer->Add( buttonsizer, 0, wxTOP | wxALIGN_RIGHT, 10 );
 148
 149 #endif // __SMARTPHONE__/!__SMARTPHONE__
 150
 151     // 1) dir ctrl
 152     m_dirCtrl = NULL; // this is necessary, event handler called from
 153                       // wxGenericDirCtrl would crash otherwise!
 154     long dirStyle = wxDIRCTRL_DIR_ONLY | wxDEFAULT_CONTROL_BORDER;
 155
 156 #ifdef __WXMSW__
 157     if (style & wxDD_NEW_DIR_BUTTON)
 158     {
 159         // Only under Windows do we need the wxTR_EDIT_LABEL tree control style
 160         // before we can call EditLabel (required for "New directory")
 161         dirStyle |= wxDIRCTRL_EDIT_LABELS;
 162     }
 163 #endif
 164
 165     m_dirCtrl = new wxGenericDirCtrl(this, ID_DIRCTRL,
 166                                      m_path, wxDefaultPosition,
 167                                      wxSize(300, 200),
 168                                      dirStyle);
 169
 170     topsizer->Add( m_dirCtrl, 1, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, wxLARGESMALL(10,0) );
 171
 172 #ifndef __SMARTPHONE__
 173     // Make the an option depending on a flag?
 174     wxCheckBox* check = new wxCheckBox( this, ID_SHOW_HIDDEN, _("Show hidden directories") );
 175     topsizer->Add( check, 0, wxLEFT|wxRIGHT|wxTOP | wxALIGN_RIGHT, 10 );
 176 #endif // !__SMARTPHONE__
 177
 178     // 2) text ctrl
 179     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
 180     topsizer->Add( m_input, 0, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, wxLARGESMALL(10,0) );
 181
 182     // 3) buttons if any
 183     wxSizer *buttonSizer = CreateButtonSizer( wxOK|wxCANCEL , true, wxLARGESMALL(10,0) );
 184     if(buttonSizer->GetChildren().GetCount() > 0 )
 185     {
 186         topsizer->Add( buttonSizer, 0, wxEXPAND | wxALL, wxLARGESMALL(10,0) );
 187     }
 188     else
 189     {
 190         topsizer->AddSpacer( wxLARGESMALL(10,0) );
 191         delete buttonSizer;
 192     }
 193
 194 #ifdef __SMARTPHONE__
 195     // overwrite menu achieved with earlier CreateButtonSizer() call
 196     SetRightMenu(wxID_ANY, _("Options"), dirMenu);
 197 #endif
 198
 199     m_input->SetFocus();
 200
 201     SetAutoLayout( true );
 202     SetSizer( topsizer );
 203
 204     topsizer->SetSizeHints( this );
 205     topsizer->Fit( this );
 206
 207     Centre( wxBOTH );
 208
 209     return true;
 210 }
 211
 212 void wxGenericDirDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 213 {
 214     EndModal(wxID_CANCEL);
 215 }
 216
 217 void wxGenericDirDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 218 {
 219     m_path = m_input->GetValue();
 220     // Does the path exist? (User may have typed anything in m_input)
 221     if (wxDirExists(m_path)) {
 222         // OK, path exists, we're done.
 223         EndModal(wxID_OK);
 224         return;
 225     }
 226     // Interact with user, find out if the dir is a typo or to be created
 227     wxString msg;
 228     msg.Printf(_("The directory '%s' does not exist\nCreate it now?"),
 229                m_path.c_str());
 230     wxMessageDialog dialog(this, msg, _("Directory does not exist"),
 231                            wxYES_NO | wxICON_WARNING);
 232
 233     if ( dialog.ShowModal() == wxID_YES ) {
 234         // Okay, let's make it
 235         wxLogNull log;
 236         if (wxMkdir(m_path)) {
 237             // The new dir was created okay.
 238             EndModal(wxID_OK);
 239             return;
 240         }
 241         else {
 242             // Trouble...
 243             msg.Printf(_("Failed to create directory '%s'\n(Do you have the required permissions?)"),
 244                        m_path.c_str());
 245             wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK | wxICON_ERROR);
 246             errmsg.ShowModal();
 247             // We still don't have a valid dir. Back to the main dialog.
 248         }
 249     }
 250     // User has answered NO to create dir.
 251 }
 252
 253 void wxGenericDirDialog::SetPath(const wxString& path)
 254 {
 255     m_dirCtrl->SetPath(path);
 256     m_path = path;
 257 }
 258
 259 wxString wxGenericDirDialog::GetPath(void) const
 260 {
 261     return m_path;
 262 }
 263
 264 int wxGenericDirDialog::ShowModal()
 265 {
 266     m_input->SetValue( m_path );
 267     return wxDialog::ShowModal();
 268 }
 269
 270 void wxGenericDirDialog::OnTreeSelected( wxTreeEvent &event )
 271 {
 272     if (!m_dirCtrl)
 273         return;
 274
 275     wxTreeItemId item = event.GetItem();
 276
 277     wxDirItemData *data = NULL;
 278
 279     if(item.IsOk())
 280         data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(item);
 281
 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 (wxDirExists(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 (wxDirExists(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