src/generic/dirdlgg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/dirdlgg.cpp
   3 // Purpose:     wxDirDialog
   4 // Author:      Harm van der Heijden, Robert Roebling & Julian Smart
   5 // Modified by:
   6 // Created:     12/12/98
   7 // Copyright:   (c) Harm van der Heijden, Robert Roebling, Julian Smart
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_DIRDLG
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/textctrl.h"
  22     #include "wx/button.h"
  23     #include "wx/checkbox.h"
  24     #include "wx/sizer.h"
  25     #include "wx/intl.h"
  26     #include "wx/log.h"
  27     #include "wx/msgdlg.h"
  28     #include "wx/bmpbuttn.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/menu.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 // wxGenericDirDialog
  49 //-----------------------------------------------------------------------------
  50
  51 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirDialog, wxDialog)
  52
  53 BEGIN_EVENT_TABLE(wxGenericDirDialog, wxDialog)
  54     EVT_CLOSE                (wxGenericDirDialog::OnCloseWindow)
  55     EVT_BUTTON               (wxID_OK,        wxGenericDirDialog::OnOK)
  56     EVT_BUTTON               (ID_NEW,         wxGenericDirDialog::OnNew)
  57     EVT_BUTTON               (ID_GO_HOME,     wxGenericDirDialog::OnGoHome)
  58     EVT_TREE_KEY_DOWN        (wxID_ANY,       wxGenericDirDialog::OnTreeKeyDown)
  59     EVT_TREE_SEL_CHANGED     (wxID_ANY,       wxGenericDirDialog::OnTreeSelected)
  60     EVT_TEXT_ENTER           (ID_TEXTCTRL,    wxGenericDirDialog::OnOK)
  61     EVT_CHECKBOX             (ID_SHOW_HIDDEN, wxGenericDirDialog::OnShowHidden)
  62 END_EVENT_TABLE()
  63
  64 wxGenericDirDialog::wxGenericDirDialog(wxWindow* parent, const wxString& title,
  65                                        const wxString& defaultPath, long style,
  66                                        const wxPoint& pos, const wxSize& sz,
  67                                        const wxString& name)
  68 {
  69     Create(parent, title, defaultPath, style, pos, sz, name);
  70 }
  71
  72 bool wxGenericDirDialog::Create(wxWindow* parent,
  73                                 const wxString& title,
  74                                 const wxString& defaultPath, long style,
  75                                 const wxPoint& pos,
  76                                 const wxSize& sz,
  77                                 const wxString& name)
  78 {
  79     wxBusyCursor cursor;
  80
  81     parent = GetParentForModalDialog(parent, style);
  82
  83     if (!wxDirDialogBase::Create(parent, title, defaultPath, style, pos, sz, name))
  84         return false;
  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 (!HasFlag(wxDD_DIR_MUST_EXIST))
 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 (!HasFlag(wxDD_DIR_MUST_EXIST))
 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 (!HasFlag(wxDD_DIR_MUST_EXIST))
 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     wxSizerFlags flagsBorder2;
 163     flagsBorder2.DoubleBorder(wxTOP | wxLEFT | wxRIGHT);
 164
 165     topsizer->Add(m_dirCtrl, wxSizerFlags(flagsBorder2).Proportion(1).Expand());
 166
 167 #ifndef __SMARTPHONE__
 168     // TODO: Make this an option depending on a flag?
 169     wxCheckBox *
 170         check = new wxCheckBox(this, ID_SHOW_HIDDEN, _("Show &hidden directories"));
 171     topsizer->Add(check, wxSizerFlags(flagsBorder2).Right());
 172 #endif // !__SMARTPHONE__
 173
 174     // 2) text ctrl
 175     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
 176     topsizer->Add(m_input, wxSizerFlags(flagsBorder2).Expand());
 177
 178     // 3) buttons if any
 179     wxSizer *buttonSizer = CreateSeparatedButtonSizer(wxOK | wxCANCEL);
 180     if ( buttonSizer )
 181     {
 182         topsizer->Add(buttonSizer, wxSizerFlags().Expand().DoubleBorder());
 183     }
 184
 185 #ifdef __SMARTPHONE__
 186     // overwrite menu set by CreateSeparatedButtonSizer() call above
 187     SetRightMenu(wxID_ANY, _("Options"), dirMenu);
 188 #endif
 189
 190     m_input->SetFocus();
 191
 192     SetAutoLayout( true );
 193     SetSizer( topsizer );
 194
 195     topsizer->SetSizeHints( this );
 196     topsizer->Fit( this );
 197
 198     Centre( wxBOTH );
 199
 200     return true;
 201 }
 202
 203 void wxGenericDirDialog::EndModal(int retCode)
 204 {
 205     // before proceeding, change the current working directory if user asked so
 206     if (retCode == wxID_OK && HasFlag(wxDD_CHANGE_DIR))
 207         wxSetWorkingDirectory(m_path);
 208
 209     wxDialog::EndModal(retCode);
 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
 221     // Does the path exist? (User may have typed anything in m_input)
 222     if (wxDirExists(m_path))
 223     {
 224         // OK, path exists, we're done.
 225         EndModal(wxID_OK);
 226         return;
 227     }
 228
 229     // Interact with user, find out if the dir is a typo or to be created
 230     wxString msg;
 231     msg.Printf(_("The directory '%s' does not exist\nCreate it now?"),
 232                m_path.c_str());
 233     wxMessageDialog dialog(this, msg, _("Directory does not exist"),
 234                            wxYES_NO | wxICON_WARNING);
 235
 236     if ( dialog.ShowModal() == wxID_YES )
 237     {
 238         // Okay, let's make it
 239         wxLogNull log;
 240         if (wxMkdir(m_path))
 241         {
 242             // The new dir was created okay.
 243             EndModal(wxID_OK);
 244             return;
 245         }
 246         else
 247         {
 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     wxTreeItemId item = event.GetItem();
 282
 283     wxDirItemData *data = NULL;
 284
 285     if(item.IsOk())
 286         data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(item);
 287
 288     if (data)
 289        m_input->SetValue( data->m_path );
 290 }
 291
 292 void wxGenericDirDialog::OnTreeKeyDown( wxTreeEvent &WXUNUSED(event) )
 293 {
 294     if (!m_dirCtrl)
 295         return;
 296
 297     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(m_dirCtrl->GetTreeCtrl()->GetSelection());
 298     if (data)
 299         m_input->SetValue( data->m_path );
 300 }
 301
 302 void wxGenericDirDialog::OnShowHidden( wxCommandEvent& event )
 303 {
 304     if (!m_dirCtrl)
 305         return;
 306
 307     m_dirCtrl->ShowHidden( event.GetInt() != 0 );
 308 }
 309
 310 void wxGenericDirDialog::OnNew( wxCommandEvent& WXUNUSED(event) )
 311 {
 312     wxTreeItemId id = m_dirCtrl->GetTreeCtrl()->GetSelection();
 313     if ((id == m_dirCtrl->GetTreeCtrl()->GetRootItem()) ||
 314         (m_dirCtrl->GetTreeCtrl()->GetItemParent(id) == m_dirCtrl->GetTreeCtrl()->GetRootItem()))
 315     {
 316         wxMessageDialog msg(this, _("You cannot add a new directory to this section."),
 317                             _("Create directory"), wxOK | wxICON_INFORMATION );
 318         msg.ShowModal();
 319         return;
 320     }
 321
 322     wxTreeItemId parent = id ; // m_dirCtrl->GetTreeCtrl()->GetItemParent( id );
 323     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData( parent );
 324     wxASSERT( data );
 325
 326     wxString new_name( _("NewName") );
 327     wxString path( data->m_path );
 328     if (!wxEndsWithPathSeparator(path))
 329         path += wxFILE_SEP_PATH;
 330     path += new_name;
 331     if (wxDirExists(path))
 332     {
 333         // try NewName0, NewName1 etc.
 334         int i = 0;
 335         do {
 336             new_name = _("NewName");
 337             wxString num;
 338             num.Printf( wxT("%d"), i );
 339             new_name += num;
 340
 341             path = data->m_path;
 342             if (!wxEndsWithPathSeparator(path))
 343                 path += wxFILE_SEP_PATH;
 344             path += new_name;
 345             i++;
 346         } while (wxDirExists(path));
 347     }
 348
 349     wxLogNull log;
 350     if (!wxMkdir(path))
 351     {
 352         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 353         dialog.ShowModal();
 354         return;
 355     }
 356
 357     wxDirItemData *new_data = new wxDirItemData( path, new_name, true );
 358
 359     // TODO: THIS CODE DOESN'T WORK YET. We need to avoid duplication of the first child
 360     // of the parent.
 361     wxTreeItemId new_id = m_dirCtrl->GetTreeCtrl()->AppendItem( parent, new_name, 0, 0, new_data );
 362     m_dirCtrl->GetTreeCtrl()->EnsureVisible( new_id );
 363     m_dirCtrl->GetTreeCtrl()->EditLabel( new_id );
 364 }
 365
 366 void wxGenericDirDialog::OnGoHome(wxCommandEvent& WXUNUSED(event))
 367 {
 368     SetPath(wxGetUserHome());
 369 }
 370
 371 #endif // wxUSE_DIRDLG