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