src/common/fldlgcmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/fldlgcmn.cpp
   3 // Purpose:     wxFileDialog common functions
   4 // Author:      John Labenski
   5 // Modified by:
   6 // Created:     14.06.03 (extracted from src/*/filedlg.cpp)
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Robert Roebling
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __BORLANDC__
  13 #pragma hdrstop
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #if wxUSE_FILEDLG
  20
  21 #include "wx/filedlg.h"
  22 #include "wx/dirdlg.h"
  23
  24 #ifndef WX_PRECOMP
  25     #include "wx/string.h"
  26     #include "wx/intl.h"
  27     #include "wx/window.h"
  28 #endif // WX_PRECOMP
  29
  30 //----------------------------------------------------------------------------
  31 // wxFileDialogBase
  32 //----------------------------------------------------------------------------
  33
  34 IMPLEMENT_DYNAMIC_CLASS(wxFileDialogBase, wxDialog)
  35
  36 void wxFileDialogBase::Init()
  37 {
  38     m_filterIndex =
  39     m_windowStyle = 0;
  40 }
  41
  42 bool wxFileDialogBase::Create(wxWindow *parent,
  43                               const wxString& message,
  44                               const wxString& defaultDir,
  45                               const wxString& defaultFile,
  46                               const wxString& wildCard,
  47                               long style,
  48                               const wxPoint& WXUNUSED(pos),
  49                               const wxSize& WXUNUSED(sz),
  50                               const wxString& WXUNUSED(name))
  51 {
  52     m_message = message;
  53     m_dir = defaultDir;
  54     m_fileName = defaultFile;
  55     m_wildCard = wildCard;
  56
  57     m_parent = parent;
  58     m_windowStyle = style;
  59     m_filterIndex = 0;
  60
  61     if (!HasFdFlag(wxFD_OPEN) && !HasFdFlag(wxFD_SAVE))
  62         m_windowStyle |= wxFD_OPEN;     // wxFD_OPEN is the default
  63
  64     // check that the styles are not contradictory
  65     wxASSERT_MSG( !(HasFdFlag(wxFD_SAVE) && HasFdFlag(wxFD_OPEN)),
  66                   _T("can't specify both wxFD_SAVE and wxFD_OPEN at once") );
  67
  68     wxASSERT_MSG( !HasFdFlag(wxFD_SAVE) ||
  69                     (!HasFdFlag(wxFD_MULTIPLE) && !HasFdFlag(wxFD_FILE_MUST_EXIST)),
  70                    _T("wxFD_MULTIPLE or wxFD_FILE_MUST_EXIST can't be used with wxFD_SAVE" ) );
  71
  72     wxASSERT_MSG( !HasFdFlag(wxFD_OPEN) || !HasFdFlag(wxFD_OVERWRITE_PROMPT),
  73                   _T("wxFD_OVERWRITE_PROMPT can't be used with wxFD_OPEN") );
  74
  75     if ( wildCard.empty() || wildCard == wxFileSelectorDefaultWildcardStr )
  76     {
  77         m_wildCard = wxString::Format(_("All files (%s)|%s"),
  78                                       wxFileSelectorDefaultWildcardStr,
  79                                       wxFileSelectorDefaultWildcardStr);
  80     }
  81     else // have wild card
  82     {
  83         // convert m_wildCard from "*.bar" to "bar files (*.bar)|*.bar"
  84         if ( m_wildCard.Find(wxT('|')) == wxNOT_FOUND )
  85         {
  86             wxString::size_type nDot = m_wildCard.find(_T("*."));
  87             if ( nDot != wxString::npos )
  88                 nDot++;
  89             else
  90                 nDot = 0;
  91
  92             m_wildCard = wxString::Format
  93                          (
  94                             _("%s files (%s)|%s"),
  95                             wildCard.c_str() + nDot,
  96                             wildCard.c_str(),
  97                             wildCard.c_str()
  98                          );
  99         }
 100     }
 101
 102     return true;
 103 }
 104
 105 #if WXWIN_COMPATIBILITY_2_6
 106 long wxFileDialogBase::GetStyle() const
 107 {
 108     return GetWindowStyle();
 109 }
 110
 111 void wxFileDialogBase::SetStyle(long style)
 112 {
 113     SetWindowStyle(style);
 114 }
 115 #endif // WXWIN_COMPATIBILITY_2_6
 116
 117
 118 wxString wxFileDialogBase::AppendExtension(const wxString &filePath,
 119                                            const wxString &extensionList)
 120 {
 121     // strip off path, to avoid problems with "path.bar/foo"
 122     wxString fileName = filePath.AfterLast(wxFILE_SEP_PATH);
 123
 124     // if fileName is of form "foo.bar" it's ok, return it
 125     int idx_dot = fileName.Find(wxT('.'), true);
 126     if ((idx_dot != wxNOT_FOUND) && (idx_dot < (int)fileName.length() - 1))
 127         return filePath;
 128
 129     // get the first extension from extensionList, or all of it
 130     wxString ext = extensionList.BeforeFirst(wxT(';'));
 131
 132     // if ext == "foo" or "foo." there's no extension
 133     int idx_ext_dot = ext.Find(wxT('.'), true);
 134     if ((idx_ext_dot == wxNOT_FOUND) || (idx_ext_dot == (int)ext.length() - 1))
 135         return filePath;
 136     else
 137         ext = ext.AfterLast(wxT('.'));
 138
 139     // if ext == "*" or "bar*" or "b?r" or " " then its not valid
 140     if ((ext.Find(wxT('*')) != wxNOT_FOUND) ||
 141         (ext.Find(wxT('?')) != wxNOT_FOUND) ||
 142         (ext.Strip(wxString::both).empty()))
 143         return filePath;
 144
 145     // if fileName doesn't have a '.' then add one
 146     if (filePath.Last() != wxT('.'))
 147         ext = wxT(".") + ext;
 148
 149     return filePath + ext;
 150 }
 151
 152 //----------------------------------------------------------------------------
 153 // wxFileDialog convenience functions
 154 //----------------------------------------------------------------------------
 155
 156 wxString wxFileSelector(const wxChar *title,
 157                                const wxChar *defaultDir,
 158                                const wxChar *defaultFileName,
 159                                const wxChar *defaultExtension,
 160                                const wxChar *filter,
 161                                int flags,
 162                                wxWindow *parent,
 163                                int x, int y)
 164 {
 165     // The defaultExtension, if non-NULL, is
 166     // appended to the filename if the user fails to type an extension. The new
 167     // implementation (taken from wxFileSelectorEx) appends the extension
 168     // automatically, by looking at the filter specification. In fact this
 169     // should be better than the native Microsoft implementation because
 170     // Windows only allows *one* default extension, whereas here we do the
 171     // right thing depending on the filter the user has chosen.
 172
 173     // If there's a default extension specified but no filter, we create a
 174     // suitable filter.
 175
 176     wxString filter2;
 177     if ( defaultExtension && !filter )
 178         filter2 = wxString(wxT("*.")) + defaultExtension;
 179     else if ( filter )
 180         filter2 = filter;
 181
 182     wxString defaultDirString;
 183     if (defaultDir)
 184         defaultDirString = defaultDir;
 185
 186     wxString defaultFilenameString;
 187     if (defaultFileName)
 188         defaultFilenameString = defaultFileName;
 189
 190     wxFileDialog fileDialog(parent, title, defaultDirString,
 191                             defaultFilenameString, filter2,
 192                             flags, wxPoint(x, y));
 193
 194    // if filter is of form "All files (*)|*|..." set correct filter index
 195     if((wxStrlen(defaultExtension) != 0) && (filter2.Find(wxT('|')) != wxNOT_FOUND))
 196     {
 197         int filterIndex = 0;
 198
 199         wxArrayString descriptions, filters;
 200         // don't care about errors, handled already by wxFileDialog
 201         (void)wxParseCommonDialogsFilter(filter2, descriptions, filters);
 202         for (size_t n=0; n<filters.GetCount(); n++)
 203         {
 204             if (filters[n].Contains(defaultExtension))
 205             {
 206                 filterIndex = n;
 207                         break;
 208             }
 209         }
 210
 211         if (filterIndex > 0)
 212             fileDialog.SetFilterIndex(filterIndex);
 213     }
 214
 215     wxString filename;
 216     if ( fileDialog.ShowModal() == wxID_OK )
 217     {
 218         filename = fileDialog.GetPath();
 219     }
 220
 221     return filename;
 222 }
 223
 224 //----------------------------------------------------------------------------
 225 // wxFileSelectorEx
 226 //----------------------------------------------------------------------------
 227
 228 wxString wxFileSelectorEx(const wxChar *title,
 229                           const wxChar *defaultDir,
 230                           const wxChar *defaultFileName,
 231                           int* defaultFilterIndex,
 232                           const wxChar *filter,
 233                           int       flags,
 234                           wxWindow* parent,
 235                           int       x,
 236                           int       y)
 237
 238 {
 239     wxFileDialog fileDialog(parent,
 240                             title ? title : wxEmptyString,
 241                             defaultDir ? defaultDir : wxEmptyString,
 242                             defaultFileName ? defaultFileName : wxEmptyString,
 243                             filter ? filter : wxEmptyString,
 244                             flags, wxPoint(x, y));
 245
 246     wxString filename;
 247     if ( fileDialog.ShowModal() == wxID_OK )
 248     {
 249         if ( defaultFilterIndex )
 250             *defaultFilterIndex = fileDialog.GetFilterIndex();
 251
 252         filename = fileDialog.GetPath();
 253     }
 254
 255     return filename;
 256 }
 257
 258 //----------------------------------------------------------------------------
 259 // wxDefaultFileSelector - Generic load/save dialog (for internal use only)
 260 //----------------------------------------------------------------------------
 261
 262 static wxString wxDefaultFileSelector(bool load,
 263                                       const wxChar *what,
 264                                       const wxChar *extension,
 265                                       const wxChar *default_name,
 266                                       wxWindow *parent)
 267 {
 268     wxString prompt;
 269     wxString str;
 270     if (load)
 271         str = _("Load %s file");
 272     else
 273         str = _("Save %s file");
 274     prompt.Printf(str, what);
 275
 276     wxString wild;
 277     const wxChar *ext = extension;
 278     if ( ext )
 279     {
 280         if ( *ext == wxT('.') )
 281             ext++;
 282
 283         wild.Printf(wxT("*.%s"), ext);
 284     }
 285     else // no extension specified
 286     {
 287         wild = wxFileSelectorDefaultWildcardStr;
 288     }
 289
 290     return wxFileSelector(prompt, NULL, default_name, ext, wild,
 291                           load ? wxFD_OPEN : wxFD_SAVE, parent);
 292 }
 293
 294 //----------------------------------------------------------------------------
 295 // wxLoadFileSelector
 296 //----------------------------------------------------------------------------
 297
 298 WXDLLEXPORT wxString wxLoadFileSelector(const wxChar *what,
 299                                         const wxChar *extension,
 300                                         const wxChar *default_name,
 301                                         wxWindow *parent)
 302 {
 303     return wxDefaultFileSelector(true, what, extension, default_name, parent);
 304 }
 305
 306 //----------------------------------------------------------------------------
 307 // wxSaveFileSelector
 308 //----------------------------------------------------------------------------
 309
 310 WXDLLEXPORT wxString wxSaveFileSelector(const wxChar *what,
 311                                         const wxChar *extension,
 312                                         const wxChar *default_name,
 313                                         wxWindow *parent)
 314 {
 315     return wxDefaultFileSelector(false, what, extension, default_name, parent);
 316 }
 317
 318
 319 //----------------------------------------------------------------------------
 320 // wxDirDialogBase
 321 //----------------------------------------------------------------------------
 322
 323 #if WXWIN_COMPATIBILITY_2_6
 324 long wxDirDialogBase::GetStyle() const
 325 {
 326     return GetWindowStyle();
 327 }
 328
 329 void wxDirDialogBase::SetStyle(long style)
 330 {
 331     SetWindowStyle(style);
 332 }
 333 #endif // WXWIN_COMPATIBILITY_2_6
 334
 335
 336 #endif // wxUSE_FILEDLG