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     #include "wx/bmpbuttn.h"
  30 #endif
  31
  32 #include "wx/statline.h"
  33 #include "wx/dirctrl.h"
  34 #include "wx/generic/dirdlgg.h"
  35 #include "wx/artprov.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     if (!wxDirDialogBase::Create(parent, title, defaultPath, style, pos, sz, name))
  82         return false;
  83
  84     m_path = defaultPath;
  85     if (m_path == wxT("~"))
  86         wxGetHomeDir(&m_path);
  87     if (m_path == wxT("."))
  88         m_path = wxGetCwd();
  89
  90     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
  91
  92     // smartphones does not support or do not waste space for wxButtons
  93 #if defined(__SMARTPHONE__)
  94
  95     wxMenu *dirMenu = new wxMenu;
  96     dirMenu->Append(ID_GO_HOME, _("Home"));
  97
  98     if (!HasFlag(wxDD_DIR_MUST_EXIST))
  99     {
 100         dirMenu->Append(ID_NEW, _("New directory"));
 101     }
 102
 103     dirMenu->AppendCheckItem(ID_SHOW_HIDDEN, _("Show hidden directories"));
 104     dirMenu->AppendSeparator();
 105     dirMenu->Append(wxID_CANCEL, _("Cancel"));
 106
 107 #else
 108
 109     // 0) 'New' and 'Home' Buttons
 110     wxSizer* buttonsizer = new wxBoxSizer( wxHORIZONTAL );
 111
 112     // VS: 'Home directory' concept is unknown to MS-DOS
 113 #if !defined(__DOS__)
 114     wxBitmapButton* homeButton =
 115         new wxBitmapButton(this, ID_GO_HOME,
 116                            wxArtProvider::GetBitmap(wxART_GO_HOME, wxART_BUTTON));
 117     buttonsizer->Add( homeButton, 0, wxLEFT|wxRIGHT, 10 );
 118 #endif
 119
 120     // I'm not convinced we need a New button, and we tend to get annoying
 121     // accidental-editing with label editing enabled.
 122     if (!HasFlag(wxDD_DIR_MUST_EXIST))
 123     {
 124         wxBitmapButton* newButton =
 125             new wxBitmapButton(this, ID_NEW,
 126                             wxArtProvider::GetBitmap(wxART_NEW_DIR, wxART_BUTTON));
 127         buttonsizer->Add( newButton, 0, wxRIGHT, 10 );
 128 #if wxUSE_TOOLTIPS
 129         newButton->SetToolTip(_("Create new directory"));
 130 #endif
 131     }
 132
 133 #if wxUSE_TOOLTIPS
 134     homeButton->SetToolTip(_("Go to home directory"));
 135 #endif
 136
 137     topsizer->Add( buttonsizer, 0, wxTOP | wxALIGN_RIGHT, 10 );
 138
 139 #endif // __SMARTPHONE__/!__SMARTPHONE__
 140
 141     // 1) dir ctrl
 142     m_dirCtrl = NULL; // this is necessary, event handler called from
 143                       // wxGenericDirCtrl would crash otherwise!
 144     long dirStyle = wxDIRCTRL_DIR_ONLY | wxDEFAULT_CONTROL_BORDER;
 145
 146 #ifdef __WXMSW__
 147     if (!HasFlag(wxDD_DIR_MUST_EXIST))
 148     {
 149         // Only under Windows do we need the wxTR_EDIT_LABEL tree control style
 150         // before we can call EditLabel (required for "New directory")
 151         dirStyle |= wxDIRCTRL_EDIT_LABELS;
 152     }
 153 #endif
 154
 155     m_dirCtrl = new wxGenericDirCtrl(this, ID_DIRCTRL,
 156                                      m_path, wxDefaultPosition,
 157                                      wxSize(300, 200),
 158                                      dirStyle);
 159
 160     wxSizerFlags flagsBorder2;
 161     flagsBorder2.DoubleBorder(wxTOP | wxLEFT | wxRIGHT);
 162
 163     topsizer->Add(m_dirCtrl, wxSizerFlags(flagsBorder2).Proportion(1).Expand());
 164
 165 #ifndef __SMARTPHONE__
 166     // Make the an option depending on a flag?
 167     wxCheckBox *
 168         check = new wxCheckBox(this, ID_SHOW_HIDDEN, _("Show &hidden directories"));
 169     topsizer->Add(check, wxSizerFlags(flagsBorder2).Right());
 170 #endif // !__SMARTPHONE__
 171
 172     // 2) text ctrl
 173     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
 174     topsizer->Add(m_input, wxSizerFlags(flagsBorder2).Expand());
 175
 176     // 3) buttons if any
 177     wxSizer *buttonSizer = CreateSeparatedButtonSizer(wxOK | wxCANCEL);
 178     if ( buttonSizer )
 179     {
 180         topsizer->Add(buttonSizer, wxSizerFlags().Expand().DoubleBorder());
 181     }
 182
 183 #ifdef __SMARTPHONE__
 184     // overwrite menu set by CreateSeparatedButtonSizer() call above
 185     SetRightMenu(wxID_ANY, _("Options"), dirMenu);
 186 #endif
 187
 188     m_input->SetFocus();
 189
 190     SetAutoLayout( true );
 191     SetSizer( topsizer );
 192
 193     topsizer->SetSizeHints( this );
 194     topsizer->Fit( this );
 195
 196     Centre( wxBOTH );
 197
 198     return true;
 199 }
 200
 201 void wxGenericDirDialog::EndModal(int retCode)
 202 {
 203     // before proceeding, change the current working directory if user asked so
 204     if (retCode == wxID_OK && HasFlag(wxDD_CHANGE_DIR))
 205         wxSetWorkingDirectory(m_path);
 206
 207     wxDialog::EndModal(retCode);
 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
 219     // Does the path exist? (User may have typed anything in m_input)
 220     if (wxDirExists(m_path))
 221     {
 222         // OK, path exists, we're done.
 223         EndModal(wxID_OK);
 224         return;
 225     }
 226
 227     // Interact with user, find out if the dir is a typo or to be created
 228     wxString msg;
 229     msg.Printf(_("The directory '%s' does not exist\nCreate it now?"),
 230                m_path.c_str());
 231     wxMessageDialog dialog(this, msg, _("Directory does not exist"),
 232                            wxYES_NO | wxICON_WARNING);
 233
 234     if ( dialog.ShowModal() == wxID_YES )
 235     {
 236         // Okay, let's make it
 237         wxLogNull log;
 238         if (wxMkdir(m_path))
 239         {
 240             // The new dir was created okay.
 241             EndModal(wxID_OK);
 242             return;
 243         }
 244         else
 245         {
 246             // Trouble...
 247             msg.Printf(_("Failed to create directory '%s'\n(Do you have the required permissions?)"),
 248                        m_path.c_str());
 249             wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK | wxICON_ERROR);
 250             errmsg.ShowModal();
 251             // We still don't have a valid dir. Back to the main dialog.
 252         }
 253     }
 254     // User has answered NO to create dir.
 255 }
 256
 257 void wxGenericDirDialog::SetPath(const wxString& path)
 258 {
 259     m_dirCtrl->SetPath(path);
 260     m_path = path;
 261 }
 262
 263 wxString wxGenericDirDialog::GetPath(void) const
 264 {
 265     return m_path;
 266 }
 267
 268 int wxGenericDirDialog::ShowModal()
 269 {
 270     m_input->SetValue( m_path );
 271     return wxDialog::ShowModal();
 272 }
 273
 274 void wxGenericDirDialog::OnTreeSelected( wxTreeEvent &event )
 275 {
 276     if (!m_dirCtrl)
 277         return;
 278
 279     wxTreeItemId item = event.GetItem();
 280
 281     wxDirItemData *data = NULL;
 282
 283     if(item.IsOk())
 284         data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(item);
 285
 286     if (data)
 287        m_input->SetValue( data->m_path );
 288 }
 289
 290 void wxGenericDirDialog::OnTreeKeyDown( wxTreeEvent &WXUNUSED(event) )
 291 {
 292     if (!m_dirCtrl)
 293         return;
 294
 295     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(m_dirCtrl->GetTreeCtrl()->GetSelection());
 296     if (data)
 297         m_input->SetValue( data->m_path );
 298 }
 299
 300 void wxGenericDirDialog::OnShowHidden( wxCommandEvent& event )
 301 {
 302     if (!m_dirCtrl)
 303         return;
 304
 305     m_dirCtrl->ShowHidden( event.GetInt() != 0 );
 306 }
 307
 308 void wxGenericDirDialog::OnNew( wxCommandEvent& WXUNUSED(event) )
 309 {
 310     wxTreeItemId id = m_dirCtrl->GetTreeCtrl()->GetSelection();
 311     if ((id == m_dirCtrl->GetTreeCtrl()->GetRootItem()) ||
 312         (m_dirCtrl->GetTreeCtrl()->GetItemParent(id) == m_dirCtrl->GetTreeCtrl()->GetRootItem()))
 313     {
 314         wxMessageDialog msg(this, _("You cannot add a new directory to this section."),
 315                             _("Create directory"), wxOK | wxICON_INFORMATION );
 316         msg.ShowModal();
 317         return;
 318     }
 319
 320     wxTreeItemId parent = id ; // m_dirCtrl->GetTreeCtrl()->GetItemParent( id );
 321     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData( parent );
 322     wxASSERT( data );
 323
 324     wxString new_name( _("NewName") );
 325     wxString path( data->m_path );
 326     if (!wxEndsWithPathSeparator(path))
 327         path += wxFILE_SEP_PATH;
 328     path += new_name;
 329     if (wxDirExists(path))
 330     {
 331         // try NewName0, NewName1 etc.
 332         int i = 0;
 333         do {
 334             new_name = _("NewName");
 335             wxString num;
 336             num.Printf( wxT("%d"), i );
 337             new_name += num;
 338
 339             path = data->m_path;
 340             if (!wxEndsWithPathSeparator(path))
 341                 path += wxFILE_SEP_PATH;
 342             path += new_name;
 343             i++;
 344         } while (wxDirExists(path));
 345     }
 346
 347     wxLogNull log;
 348     if (!wxMkdir(path))
 349     {
 350         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 351         dialog.ShowModal();
 352         return;
 353     }
 354
 355     wxDirItemData *new_data = new wxDirItemData( path, new_name, true );
 356
 357     // TODO: THIS CODE DOESN'T WORK YET. We need to avoid duplication of the first child
 358     // of the parent.
 359     wxTreeItemId new_id = m_dirCtrl->GetTreeCtrl()->AppendItem( parent, new_name, 0, 0, new_data );
 360     m_dirCtrl->GetTreeCtrl()->EnsureVisible( new_id );
 361     m_dirCtrl->GetTreeCtrl()->EditLabel( new_id );
 362 }
 363
 364 void wxGenericDirDialog::OnGoHome(wxCommandEvent& WXUNUSED(event))
 365 {
 366     SetPath(wxGetUserHome());
 367 }
 368
 369 #endif // wxUSE_DIRDLG