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