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 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_DIRDLG
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/textctrl.h"
  25     #include "wx/button.h"
  26     #include "wx/checkbox.h"
  27     #include "wx/sizer.h"
  28     #include "wx/intl.h"
  29     #include "wx/log.h"
  30     #include "wx/msgdlg.h"
  31 #endif
  32
  33 #include "wx/statline.h"
  34 #include "wx/dirctrl.h"
  35 #include "wx/generic/dirdlgg.h"
  36 #include "wx/artprov.h"
  37 #include "wx/bmpbuttn.h"
  38
  39 // ----------------------------------------------------------------------------
  40 // constants
  41 // ----------------------------------------------------------------------------
  42
  43 static const int ID_DIRCTRL = 1000;
  44 static const int ID_TEXTCTRL = 1001;
  45 static const int ID_NEW = 1004;
  46 static const int ID_SHOW_HIDDEN = 1005;
  47 static const int ID_GO_HOME = 1006;
  48
  49 // ---------------------------------------------------------------------------
  50 // macros
  51 // ---------------------------------------------------------------------------
  52
  53 /* Macro for avoiding #ifdefs when value have to be different depending on size of
  54    device we display on - take it from something like wxDesktopPolicy in the future
  55  */
  56
  57 #if defined(__SMARTPHONE__)
  58     #define wxLARGESMALL(large,small) small
  59 #else
  60     #define wxLARGESMALL(large,small) large
  61 #endif
  62
  63 //-----------------------------------------------------------------------------
  64 // wxGenericDirDialog
  65 //-----------------------------------------------------------------------------
  66
  67 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirDialog, wxDialog)
  68
  69 BEGIN_EVENT_TABLE(wxGenericDirDialog, wxDialog)
  70     EVT_CLOSE                (wxGenericDirDialog::OnCloseWindow)
  71     EVT_BUTTON               (wxID_OK,        wxGenericDirDialog::OnOK)
  72     EVT_BUTTON               (ID_NEW,         wxGenericDirDialog::OnNew)
  73     EVT_BUTTON               (ID_GO_HOME,     wxGenericDirDialog::OnGoHome)
  74     EVT_TREE_KEY_DOWN        (wxID_ANY,       wxGenericDirDialog::OnTreeKeyDown)
  75     EVT_TREE_SEL_CHANGED     (wxID_ANY,       wxGenericDirDialog::OnTreeSelected)
  76     EVT_TEXT_ENTER           (ID_TEXTCTRL,    wxGenericDirDialog::OnOK)
  77     EVT_CHECKBOX             (ID_SHOW_HIDDEN, wxGenericDirDialog::OnShowHidden)
  78 END_EVENT_TABLE()
  79
  80 wxGenericDirDialog::wxGenericDirDialog(wxWindow* parent, const wxString& title,
  81                                        const wxString& defaultPath, long style,
  82                                        const wxPoint& pos, const wxSize& sz,
  83                                        const wxString& name):
  84                 wxDialog(parent, ID_DIRCTRL, title, pos, sz, style, name)
  85 {
  86     wxBusyCursor cursor;
  87
  88     m_path = defaultPath;
  89     if (m_path == wxT("~"))
  90         wxGetHomeDir(&m_path);
  91     if (m_path == wxT("."))
  92         m_path = wxGetCwd();
  93
  94     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
  95
  96     // smart phones does not support or do not waste space for wxButtons
  97 #if defined(__SMARTPHONE__)
  98
  99     wxMenu *dirMenu = new wxMenu;
 100     dirMenu->Append(ID_GO_HOME, _("Home"));
 101
 102     if (style & wxDD_NEW_DIR_BUTTON)
 103     {
 104         dirMenu->Append(ID_NEW, _("New directory"));
 105     }
 106
 107     dirMenu->AppendCheckItem(ID_SHOW_HIDDEN, _("Show hidden directories"));
 108     dirMenu->AppendSeparator();
 109     dirMenu->Append(wxID_CANCEL, _("Cancel"));
 110
 111     SetRightMenu(wxID_ANY, _("Options"), dirMenu);
 112
 113 #else
 114
 115     // 0) 'New' and 'Home' Buttons
 116     wxSizer* buttonsizer = new wxBoxSizer( wxHORIZONTAL );
 117
 118     // VS: 'Home directory' concept is unknown to MS-DOS
 119 #if !defined(__DOS__)
 120     wxBitmapButton* homeButton =
 121         new wxBitmapButton(this, ID_GO_HOME,
 122                            wxArtProvider::GetBitmap(wxART_GO_HOME, wxART_BUTTON));
 123     buttonsizer->Add( homeButton, 0, wxLEFT|wxRIGHT, 10 );
 124 #endif
 125
 126     // I'm not convinced we need a New button, and we tend to get annoying
 127     // accidental-editing with label editing enabled.
 128     if (style & wxDD_NEW_DIR_BUTTON)
 129     {
 130         wxBitmapButton* newButton =
 131             new wxBitmapButton(this, ID_NEW,
 132                             wxArtProvider::GetBitmap(wxART_NEW_DIR, wxART_BUTTON));
 133         buttonsizer->Add( newButton, 0, wxRIGHT, 10 );
 134 #if wxUSE_TOOLTIPS
 135         newButton->SetToolTip(_("Create new directory"));
 136 #endif
 137     }
 138
 139 #if wxUSE_TOOLTIPS
 140     homeButton->SetToolTip(_("Go to home directory"));
 141 #endif
 142
 143     topsizer->Add( buttonsizer, 0, wxTOP | wxALIGN_RIGHT, 10 );
 144
 145 #endif // __SMARTPHONE__/!__SMARTPHONE__
 146
 147     // 1) dir ctrl
 148     m_dirCtrl = NULL; // this is necessary, event handler called from
 149                       // wxGenericDirCtrl would crash otherwise!
 150     long dirStyle = wxDIRCTRL_DIR_ONLY | wxDEFAULT_CONTROL_BORDER;
 151
 152 #ifdef __WXMSW__
 153     if (style & wxDD_NEW_DIR_BUTTON)
 154     {
 155         // Only under Windows do we need the wxTR_EDIT_LABEL tree control style
 156         // before we can call EditLabel (required for "New directory")
 157         dirStyle |= wxDIRCTRL_EDIT_LABELS;
 158     }
 159 #endif
 160
 161     m_dirCtrl = new wxGenericDirCtrl(this, ID_DIRCTRL,
 162                                      m_path, wxDefaultPosition,
 163                                      wxSize(300, 200),
 164                                      dirStyle);
 165
 166     topsizer->Add( m_dirCtrl, 1, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, wxLARGESMALL(10,0) );
 167
 168 #ifndef __SMARTPHONE__
 169     // Make the an option depending on a flag?
 170     wxCheckBox* check = new wxCheckBox( this, ID_SHOW_HIDDEN, _("Show hidden directories") );
 171     topsizer->Add( check, 0, wxLEFT|wxRIGHT|wxTOP | wxALIGN_RIGHT, 10 );
 172 #endif // !__SMARTPHONE__
 173
 174     // 2) text ctrl
 175     m_input = new wxTextCtrl( this, ID_TEXTCTRL, m_path, wxDefaultPosition );
 176     topsizer->Add( m_input, 0, wxTOP|wxLEFT|wxRIGHT | wxEXPAND, wxLARGESMALL(10,0) );
 177
 178 #ifndef __SMARTPHONE__
 179
 180 #if wxUSE_STATLINE
 181     // 3) Static line
 182     topsizer->Add( new wxStaticLine( this, wxID_ANY ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 183 #endif
 184
 185     // 4) Buttons
 186     topsizer->Add( CreateButtonSizer( wxOK|wxCANCEL ), 0, wxEXPAND | wxALL, 10 );
 187
 188 #endif // !__SMARTPHONE__
 189
 190     m_input->SetFocus();
 191
 192     SetAutoLayout( true );
 193     SetSizer( topsizer );
 194
 195 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__)
 196     topsizer->SetSizeHints( this );
 197     topsizer->Fit( this );
 198
 199     Centre( wxBOTH );
 200 #endif
 201 }
 202
 203 void wxGenericDirDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 204 {
 205     EndModal(wxID_CANCEL);
 206 }
 207
 208 void wxGenericDirDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 209 {
 210     m_path = m_input->GetValue();
 211     // Does the path exist? (User may have typed anything in m_input)
 212     if (wxDirExists(m_path)) {
 213         // OK, path exists, we're done.
 214         EndModal(wxID_OK);
 215         return;
 216     }
 217     // Interact with user, find out if the dir is a typo or to be created
 218     wxString msg;
 219     msg.Printf(_("The directory '%s' does not exist\nCreate it now?"),
 220                m_path.c_str());
 221     wxMessageDialog dialog(this, msg, _("Directory does not exist"),
 222                            wxYES_NO | wxICON_WARNING);
 223
 224     if ( dialog.ShowModal() == wxID_YES ) {
 225         // Okay, let's make it
 226         wxLogNull log;
 227         if (wxMkdir(m_path)) {
 228             // The new dir was created okay.
 229             EndModal(wxID_OK);
 230             return;
 231         }
 232         else {
 233             // Trouble...
 234             msg.Printf(_("Failed to create directory '%s'\n(Do you have the required permissions?)"),
 235                        m_path.c_str());
 236             wxMessageDialog errmsg(this, msg, _("Error creating directory"), wxOK | wxICON_ERROR);
 237             errmsg.ShowModal();
 238             // We still don't have a valid dir. Back to the main dialog.
 239         }
 240     }
 241     // User has answered NO to create dir.
 242 }
 243
 244 void wxGenericDirDialog::SetPath(const wxString& path)
 245 {
 246     m_dirCtrl->SetPath(path);
 247     m_path = path;
 248 }
 249
 250 wxString wxGenericDirDialog::GetPath(void) const
 251 {
 252     return m_path;
 253 }
 254
 255 int wxGenericDirDialog::ShowModal()
 256 {
 257     m_input->SetValue( m_path );
 258     return wxDialog::ShowModal();
 259 }
 260
 261 void wxGenericDirDialog::OnTreeSelected( wxTreeEvent &event )
 262 {
 263     if (!m_dirCtrl)
 264         return;
 265
 266     wxTreeItemId item = event.GetItem();
 267
 268     wxDirItemData *data = NULL;
 269
 270     if(item.IsOk())
 271         data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(item);
 272
 273     if (data)
 274        m_input->SetValue( data->m_path );
 275 }
 276
 277 void wxGenericDirDialog::OnTreeKeyDown( wxTreeEvent &WXUNUSED(event) )
 278 {
 279     if (!m_dirCtrl)
 280         return;
 281
 282     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(m_dirCtrl->GetTreeCtrl()->GetSelection());
 283     if (data)
 284         m_input->SetValue( data->m_path );
 285 }
 286
 287 void wxGenericDirDialog::OnShowHidden( wxCommandEvent& event )
 288 {
 289     if (!m_dirCtrl)
 290         return;
 291
 292     m_dirCtrl->ShowHidden( event.GetInt() != 0 );
 293 }
 294
 295 void wxGenericDirDialog::OnNew( wxCommandEvent& WXUNUSED(event) )
 296 {
 297     wxTreeItemId id = m_dirCtrl->GetTreeCtrl()->GetSelection();
 298     if ((id == m_dirCtrl->GetTreeCtrl()->GetRootItem()) ||
 299         (m_dirCtrl->GetTreeCtrl()->GetItemParent(id) == m_dirCtrl->GetTreeCtrl()->GetRootItem()))
 300     {
 301         wxMessageDialog msg(this, _("You cannot add a new directory to this section."),
 302                             _("Create directory"), wxOK | wxICON_INFORMATION );
 303         msg.ShowModal();
 304         return;
 305     }
 306
 307     wxTreeItemId parent = id ; // m_dirCtrl->GetTreeCtrl()->GetItemParent( id );
 308     wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData( parent );
 309     wxASSERT( data );
 310
 311     wxString new_name( _("NewName") );
 312     wxString path( data->m_path );
 313     if (!wxEndsWithPathSeparator(path))
 314         path += wxFILE_SEP_PATH;
 315     path += new_name;
 316     if (wxDirExists(path))
 317     {
 318         // try NewName0, NewName1 etc.
 319         int i = 0;
 320         do {
 321             new_name = _("NewName");
 322             wxString num;
 323             num.Printf( wxT("%d"), i );
 324             new_name += num;
 325
 326             path = data->m_path;
 327             if (!wxEndsWithPathSeparator(path))
 328                 path += wxFILE_SEP_PATH;
 329             path += new_name;
 330             i++;
 331         } while (wxDirExists(path));
 332     }
 333
 334     wxLogNull log;
 335     if (!wxMkdir(path))
 336     {
 337         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 338         dialog.ShowModal();
 339         return;
 340     }
 341
 342     wxDirItemData *new_data = new wxDirItemData( path, new_name, true );
 343
 344     // TODO: THIS CODE DOESN'T WORK YET. We need to avoid duplication of the first child
 345     // of the parent.
 346     wxTreeItemId new_id = m_dirCtrl->GetTreeCtrl()->AppendItem( parent, new_name, 0, 0, new_data );
 347     m_dirCtrl->GetTreeCtrl()->EnsureVisible( new_id );
 348     m_dirCtrl->GetTreeCtrl()->EditLabel( new_id );
 349 }
 350
 351 void wxGenericDirDialog::OnGoHome(wxCommandEvent& WXUNUSED(event))
 352 {
 353     SetPath(wxGetUserHome());
 354 }
 355
 356 #endif // wxUSE_DIRDLG