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 #ifdef __GNUG__
  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 // wxGenericDirDialog
  46 //-----------------------------------------------------------------------------
  47
  48 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirDialog, wxDialog)
  49
  50 static const int ID_DIRCTRL = 1000;
  51 static const int ID_TEXTCTRL = 1001;
  52 static const int ID_OK = 1002;
  53 static const int ID_CANCEL = 1003;
  54 static const int ID_NEW = 1004;
  55 static const int ID_SHOW_HIDDEN = 1005;
  56 static const int ID_GO_HOME = 1006;
  57
  58 BEGIN_EVENT_TABLE(wxGenericDirDialog, wxDialog)
  59     EVT_CLOSE                (wxGenericDirDialog::OnCloseWindow)
  60     EVT_BUTTON               (wxID_OK,        wxGenericDirDialog::OnOK)
  61     EVT_BUTTON               (ID_NEW,         wxGenericDirDialog::OnNew)
  62     EVT_BUTTON               (ID_GO_HOME,     wxGenericDirDialog::OnGoHome)
  63     EVT_TREE_KEY_DOWN        (-1,             wxGenericDirDialog::OnTreeKeyDown)
  64     EVT_TREE_SEL_CHANGED     (-1,             wxGenericDirDialog::OnTreeSelected)
  65     EVT_TEXT_ENTER           (ID_TEXTCTRL,    wxGenericDirDialog::OnOK)
  66     EVT_CHECKBOX             (ID_SHOW_HIDDEN, wxGenericDirDialog::OnShowHidden)
  67 END_EVENT_TABLE()
  68
  69 wxGenericDirDialog::wxGenericDirDialog(wxWindow* parent, const wxString& title,
  70                                        const wxString& defaultPath, long style,
  71                                        const wxPoint& pos, const wxSize& sz,
  72                                        const wxString& name):
  73                 wxDialog(parent, ID_DIRCTRL, title, pos, sz, style, name)
  74 {
  75     wxBusyCursor cursor;
  76
  77     m_path = defaultPath;
  78     if (m_path == wxT("~"))
  79         wxGetHomeDir(&m_path);
  80     if (m_path == wxT("."))
  81         m_path = wxGetCwd();
  82
  83     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
  84
  85     // 0) 'New' and 'Home' Buttons
  86     wxSizer* buttonsizer = new wxBoxSizer( wxHORIZONTAL );
  87
  88     // VS: 'Home directory' concept is unknown to MS-DOS
  89 #ifndef __DOS__
  90     wxBitmapButton* homeButton =
  91         new wxBitmapButton(this, ID_GO_HOME,
  92                            wxArtProvider::GetBitmap(wxART_GO_HOME, wxART_CMN_DIALOG));
  93     buttonsizer->Add( homeButton, 0, wxLEFT|wxRIGHT, 10 );
  94 #endif
  95
  96     // I'm not convinced we need a New button, and we tend to get annoying
  97     // accidental-editing with label editing enabled.
  98     if (style & wxDD_NEW_DIR_BUTTON)
  99     {
 100         wxBitmapButton* newButton =
 101             new wxBitmapButton(this, ID_NEW,
 102                             wxArtProvider::GetBitmap(wxART_NEW_DIR, wxART_CMN_DIALOG));
 103         buttonsizer->Add( newButton, 0, wxRIGHT, 10 );
 104 #if wxUSE_TOOLTIPS
 105         newButton->SetToolTip(_("Create new directory"));
 106 #endif
 107     }
 108
 109 #if wxUSE_TOOLTIPS
 110     homeButton->SetToolTip(_("Go to home directory"));
 111 #endif
 112
 113     topsizer->Add( buttonsizer, 0, wxTOP | wxALIGN_RIGHT, 10 );
 114
 115     // 1) dir ctrl
 116     m_dirCtrl = NULL; // this is neccessary, event handler called from
 117                       // wxGenericDirCtrl would crash otherwise!
 118     long dirStyle = wxDIRCTRL_DIR_ONLY|wxSUNKEN_BORDER;
 119
 120 #ifdef __WXMSW__
 121     if (style & wxDD_NEW_DIR_BUTTON)
 122     {
 123         // Only under Windows do we need the wxTR_EDIT_LABEL tree control style
 124         // before we can call EditLabel (required for "New directory")
 125         dirStyle |= wxDIRCTRL_EDIT_LABELS;
 126     }
 127 #endif
 128
 129     m_dirCtrl = new wxGenericDirCtrl(this, ID_DIRCTRL,
 130                                      m_path, wxPoint(5, 5),
 131                                      wxSize(300, 200),
 132                                      dirStyle);
 133
 134     topsizer->Add( m_dirCtrl, 1, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, 10 );
 135
 136     // Make the an option depending on a flag?
 137     wxCheckBox* check = new wxCheckBox( this, ID_SHOW_HIDDEN, _("Show hidden directories") );
 138     topsizer->Add( check, 0, wxLEFT|wxTOP | wxALIGN_RIGHT, 5 );
 139
 140     // 2) text ctrl
 141     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
 142     topsizer->Add( m_input, 0, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, 10 );
 143
 144 #if wxUSE_STATLINE
 145     // 3) Static line
 146     topsizer->Add( new wxStaticLine( this, -1 ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 147 #endif
 148
 149     // 4) Buttons
 150     buttonsizer = new wxBoxSizer( wxHORIZONTAL );
 151
 152     // OK and Cancel button should be at the right bottom
 153     wxButton* okButton = new wxButton(this, wxID_OK, _("OK"));
 154     buttonsizer->Add( okButton, 0, wxLEFT|wxRIGHT, 10 );
 155     wxButton* cancelButton = new wxButton(this, wxID_CANCEL, _("Cancel"));
 156     buttonsizer->Add( cancelButton, 0, wxLEFT|wxRIGHT, 10 );
 157
 158     topsizer->Add( buttonsizer, 0, wxALL | wxALIGN_RIGHT, 10 );
 159
 160     okButton->SetDefault();
 161     m_dirCtrl->SetFocus();
 162
 163     SetAutoLayout( TRUE );
 164     SetSizer( topsizer );
 165
 166     topsizer->SetSizeHints( this );
 167     topsizer->Fit( this );
 168
 169     Centre( wxBOTH );
 170 }
 171
 172 void wxGenericDirDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 173 {
 174     EndModal(wxID_CANCEL);
 175 }
 176
 177 void wxGenericDirDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 178 {
 179     m_path = m_input->GetValue();
 180     // Does the path exist? (User may have typed anything in m_input)
 181     if (wxPathExists(m_path)) {
 182         // OK, path exists, we're done.
 183         EndModal(wxID_OK);
 184         return;
 185     }
 186     // Interact with user, find out if the dir is a typo or to be created
 187     wxString msg;
 188     msg.Printf(_("The directory '%s' does not exist\nCreate it now?"),
 189                m_path.c_str());
 190     wxMessageDialog dialog(this, msg, _("Directory does not exist"),
 191                            wxYES_NO | wxICON_WARNING);
 192
 193     if ( dialog.ShowModal() == wxID_YES ) {
 194         // Okay, let's make it
 195         wxLogNull log;
 196         if (wxMkdir(m_path)) {
 197             // The new dir was created okay.
 198             EndModal(wxID_OK);
 199             return;
 200         }
 201         else {
 202             // Trouble...
 203             msg.Printf(_("Failed to create directory '%s'\n(Do you have the required permissions?)"),
 204                        m_path.c_str());
 205             wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK | wxICON_ERROR);
 206             errmsg.ShowModal();
 207             // We still don't have a valid dir. Back to the main dialog.
 208         }
 209     }
 210     // User has answered NO to create dir.
 211 }
 212
 213 void wxGenericDirDialog::SetPath(const wxString& path)
 214 {
 215     m_dirCtrl->SetPath(path);
 216     m_path = path;
 217 }
 218
 219 wxString wxGenericDirDialog::GetPath(void) const
 220 {
 221     return m_path;
 222 }
 223
 224 int wxGenericDirDialog::ShowModal()
 225 {
 226     m_input->SetValue( m_path );
 227     return wxDialog::ShowModal();
 228 }
 229
 230 void wxGenericDirDialog::OnTreeSelected( wxTreeEvent &event )
 231 {
 232     if (!m_dirCtrl)
 233         return;
 234
 235     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(event.GetItem());
 236     if (data)
 237        m_input->SetValue( data->m_path );
 238 };
 239
 240 void wxGenericDirDialog::OnTreeKeyDown( wxTreeEvent &WXUNUSED(event) )
 241 {
 242     if (!m_dirCtrl)
 243         return;
 244
 245     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(m_dirCtrl->GetTreeCtrl()->GetSelection());
 246     if (data)
 247         m_input->SetValue( data->m_path );
 248 };
 249
 250 void wxGenericDirDialog::OnShowHidden( wxCommandEvent& event )
 251 {
 252     if (!m_dirCtrl)
 253         return;
 254
 255     m_dirCtrl->ShowHidden( event.GetInt() != 0 );
 256 }
 257
 258 void wxGenericDirDialog::OnNew( wxCommandEvent& WXUNUSED(event) )
 259 {
 260     wxTreeItemId id = m_dirCtrl->GetTreeCtrl()->GetSelection();
 261     if ((id == m_dirCtrl->GetTreeCtrl()->GetRootItem()) ||
 262         (m_dirCtrl->GetTreeCtrl()->GetItemParent(id) == m_dirCtrl->GetTreeCtrl()->GetRootItem()))
 263     {
 264         wxMessageDialog msg(this, _("You cannot add a new directory to this section."),
 265                             _("Create directory"), wxOK | wxICON_INFORMATION );
 266         msg.ShowModal();
 267         return;
 268     }
 269
 270     wxTreeItemId parent = id ; // m_dirCtrl->GetTreeCtrl()->GetItemParent( id );
 271     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData( parent );
 272     wxASSERT( data );
 273
 274     wxString new_name( _("NewName") );
 275     wxString path( data->m_path );
 276     if (path.Last() != wxFILE_SEP_PATH)
 277         path += wxFILE_SEP_PATH;
 278     path += new_name;
 279     if (wxFileExists(path))
 280     {
 281         // try NewName0, NewName1 etc.
 282         int i = 0;
 283         do {
 284             new_name = _("NewName");
 285             wxString num;
 286             num.Printf( wxT("%d"), i );
 287             new_name += num;
 288
 289             path = data->m_path;
 290             if (path.Last() != wxFILE_SEP_PATH)
 291                 path += wxFILE_SEP_PATH;
 292             path += new_name;
 293             i++;
 294         } while (wxFileExists(path));
 295     }
 296
 297     wxLogNull log;
 298     if (!wxMkdir(path))
 299     {
 300         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 301         dialog.ShowModal();
 302         return;
 303     }
 304
 305     wxDirItemData *new_data = new wxDirItemData( path, new_name, TRUE );
 306
 307     // TODO: THIS CODE DOESN'T WORK YET. We need to avoid duplication of the first child
 308     // of the parent.
 309     wxTreeItemId new_id = m_dirCtrl->GetTreeCtrl()->AppendItem( parent, new_name, 0, 0, new_data );
 310     m_dirCtrl->GetTreeCtrl()->EnsureVisible( new_id );
 311     m_dirCtrl->GetTreeCtrl()->EditLabel( new_id );
 312 }
 313
 314 void wxGenericDirDialog::OnGoHome(wxCommandEvent& WXUNUSED(event))
 315 {
 316     SetPath(wxGetUserHome());
 317 }
 318
 319 #endif // wxUSE_DIRDLG