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/generic/dirctrlg.h"
  40 #include "wx/generic/dirdlgg.h"
  41
  42 //-----------------------------------------------------------------------------
  43 // wxGenericDirDialog
  44 //-----------------------------------------------------------------------------
  45
  46 static const int ID_DIRCTRL = 1000;
  47 static const int ID_TEXTCTRL = 1001;
  48 static const int ID_OK = 1002;
  49 static const int ID_CANCEL = 1003;
  50 static const int ID_NEW = 1004;
  51 static const int ID_SHOW_HIDDEN = 1005;
  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_TREE_KEY_DOWN        (-1,             wxGenericDirDialog::OnTreeKeyDown)
  58     EVT_TREE_SEL_CHANGED     (-1,             wxGenericDirDialog::OnTreeSelected)
  59     EVT_TEXT_ENTER           (ID_TEXTCTRL,    wxGenericDirDialog::OnOK)
  60     EVT_CHECKBOX             (ID_SHOW_HIDDEN, wxGenericDirDialog::OnShowHidden)
  61 END_EVENT_TABLE()
  62
  63 wxGenericDirDialog::wxGenericDirDialog(wxWindow* parent, const wxString& title,
  64                                        const wxString& defaultPath, long style,
  65                                        const wxPoint& pos, const wxSize& sz,
  66                                        const wxString& name):
  67                 wxDialog(parent, ID_DIRCTRL, title, pos, sz, style, name)
  68 {
  69     wxBusyCursor cursor;
  70
  71     m_path = defaultPath;
  72     if (m_path == wxT("~"))
  73         wxGetHomeDir(&m_path);
  74     if (m_path == wxT("."))
  75         m_path = wxGetCwd();
  76
  77     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
  78
  79     // 1) dir ctrl
  80     m_dirCtrl = NULL; // this is neccessary, event handler called from
  81                       // wxGenericDirCtrl would crash otherwise!
  82     m_dirCtrl = new wxGenericDirCtrl(this, ID_DIRCTRL,
  83                                      m_path, wxPoint(5, 5),
  84                                      wxSize(300, 200),
  85                                      wxDIRCTRL_DIR_ONLY|wxSUNKEN_BORDER);
  86
  87     topsizer->Add( m_dirCtrl, 1, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, 10 );
  88
  89     // Make the an option depending on a flag?
  90     wxCheckBox* check = new wxCheckBox( this, ID_SHOW_HIDDEN, _("Show hidden directories") );
  91     topsizer->Add( check, 0, wxLEFT|wxTOP | wxALIGN_RIGHT, 5 );
  92
  93     // 2) text ctrl
  94     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
  95     topsizer->Add( m_input, 0, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, 10 );
  96
  97 #if wxUSE_STATLINE
  98     // 3) Static line
  99     topsizer->Add( new wxStaticLine( this, -1 ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 100 #endif
 101
 102     // 4) Buttons
 103     wxSizer* buttonsizer = new wxBoxSizer( wxHORIZONTAL );
 104
 105     // I'm not convinced we need a New button, and we tend to get annoying
 106     // accidental-editing with label editing enabled.
 107     wxButton* newButton = new wxButton( this, ID_NEW, _("New...") );
 108     buttonsizer->Add( newButton, 0, wxLEFT|wxRIGHT, 10 );
 109
 110     // OK and Cancel button should be at the right bottom
 111     wxButton* okButton = new wxButton(this, wxID_OK, _("OK"));
 112     buttonsizer->Add( okButton, 0, wxLEFT|wxRIGHT, 10 );
 113     wxButton* cancelButton = new wxButton(this, wxID_CANCEL, _("Cancel"));
 114     buttonsizer->Add( cancelButton, 0, wxLEFT|wxRIGHT, 10 );
 115
 116     topsizer->Add( buttonsizer, 0, wxALL | wxCENTER, 10 );
 117
 118     okButton->SetDefault();
 119     m_dirCtrl->SetFocus();
 120
 121     SetAutoLayout( TRUE );
 122     SetSizer( topsizer );
 123
 124     topsizer->SetSizeHints( this );
 125     topsizer->Fit( this );
 126
 127     Centre( wxBOTH );
 128 }
 129
 130 void wxGenericDirDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 131 {
 132     EndModal(wxID_CANCEL);
 133 }
 134
 135 void wxGenericDirDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 136 {
 137     m_path = m_input->GetValue();
 138     // Does the path exist? (User may have typed anything in m_input)
 139     if (wxPathExists(m_path)) {
 140         // OK, path exists, we're done.
 141         EndModal(wxID_OK);
 142         return;
 143     }
 144     // Interact with user, find out if the dir is a typo or to be created
 145     wxString msg;
 146     msg.Printf(_("The directory '%s' does not exist\nCreate it now?"),
 147                m_path.c_str());
 148     wxMessageDialog dialog(this, msg, _("Directory does not exist"),
 149                            wxYES_NO | wxICON_WARNING);
 150
 151     if ( dialog.ShowModal() == wxID_YES ) {
 152         // Okay, let's make it
 153         wxLogNull log;
 154         if (wxMkdir(m_path)) {
 155             // The new dir was created okay.
 156             EndModal(wxID_OK);
 157             return;
 158         }
 159         else {
 160             // Trouble...
 161             msg.Printf(_("Failed to create directory '%s'\n(Do you have the required permissions?)"),
 162                        m_path.c_str());
 163             wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK | wxICON_ERROR);
 164             errmsg.ShowModal();
 165             // We still don't have a valid dir. Back to the main dialog.
 166         }
 167     }
 168     // User has answered NO to create dir.
 169 }
 170
 171 void wxGenericDirDialog::SetPath(const wxString& path)
 172 {
 173     m_dirCtrl->SetPath(path);
 174     m_path = path;
 175 }
 176
 177 wxString wxGenericDirDialog::GetPath(void) const
 178 {
 179     return m_path;
 180 }
 181
 182 int wxGenericDirDialog::ShowModal()
 183 {
 184     m_input->SetValue( m_path );
 185     return wxDialog::ShowModal();
 186 }
 187
 188 void wxGenericDirDialog::OnTreeSelected( wxTreeEvent &event )
 189 {
 190     if (!m_dirCtrl)
 191         return;
 192
 193     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(event.GetItem());
 194     if (data)
 195        m_input->SetValue( data->m_path );
 196 };
 197
 198 void wxGenericDirDialog::OnTreeKeyDown( wxTreeEvent &WXUNUSED(event) )
 199 {
 200     if (!m_dirCtrl)
 201         return;
 202
 203     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(m_dirCtrl->GetTreeCtrl()->GetSelection());
 204     if (data)
 205         m_input->SetValue( data->m_path );
 206 };
 207
 208 void wxGenericDirDialog::OnShowHidden( wxCommandEvent& event )
 209 {
 210     if (!m_dirCtrl)
 211         return;
 212
 213     m_dirCtrl->ShowHidden( event.GetInt() );
 214 }
 215
 216 void wxGenericDirDialog::OnNew( wxCommandEvent& WXUNUSED(event) )
 217 {
 218     wxTreeItemId id = m_dirCtrl->GetTreeCtrl()->GetSelection();
 219     if ((id == m_dirCtrl->GetTreeCtrl()->GetRootItem()) ||
 220         (m_dirCtrl->GetTreeCtrl()->GetParent(id) == m_dirCtrl->GetTreeCtrl()->GetRootItem()))
 221     {
 222         wxMessageDialog msg(this, _("You cannot add a new directory to this section."),
 223                             _("Create directory"), wxOK | wxICON_INFORMATION );
 224         msg.ShowModal();
 225         return;
 226     }
 227
 228     wxTreeItemId parent = id ; // m_dirCtrl->GetTreeCtrl()->GetParent( id );
 229     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData( parent );
 230     wxASSERT( data );
 231
 232     wxString new_name( _("NewName") );
 233     wxString path( data->m_path );
 234     if (path.Last() != wxFILE_SEP_PATH)
 235         path += wxFILE_SEP_PATH;
 236     path += new_name;
 237     if (wxFileExists(path))
 238     {
 239         // try NewName0, NewName1 etc.
 240         int i = 0;
 241         do {
 242             new_name = _("NewName");
 243             wxString num;
 244             num.Printf( wxT("%d"), i );
 245             new_name += num;
 246
 247             path = data->m_path;
 248             if (path.Last() != wxFILE_SEP_PATH)
 249                 path += wxFILE_SEP_PATH;
 250             path += new_name;
 251             i++;
 252         } while (wxFileExists(path));
 253     }
 254
 255     wxLogNull log;
 256     if (!wxMkdir(path))
 257     {
 258         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 259         dialog.ShowModal();
 260         return;
 261     }
 262
 263     wxDirItemData *new_data = new wxDirItemData( path, new_name, TRUE );
 264
 265     // TODO: THIS CODE DOESN'T WORK YET. We need to avoid duplication of the first child
 266     // of the parent.
 267     wxTreeItemId new_id = m_dirCtrl->GetTreeCtrl()->AppendItem( parent, new_name, 0, 0, new_data );
 268     m_dirCtrl->GetTreeCtrl()->EnsureVisible( new_id );
 269     m_dirCtrl->GetTreeCtrl()->EditLabel( new_id );
 270 }
 271
 272 #endif // wxUSE_DIRDLG