samples/widgets/filectrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        filectrl.cpp
   4 // Purpose:     Part of the widgets sample showing wxFileCtrl
   5 // Author:      Diaa M. Sami
   6 // Created:     28 Jul 2007
   7 // Id:          $Id$
   8 // Copyright:   (c) 2007 Diaa M. Sami
   9 // License:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx/wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24 #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_FILECTRL
  28
  29 // for all others, include the necessary headers
  30 #ifndef WX_PRECOMP
  31 #include "wx/wx.h"
  32 #endif
  33
  34 #include "wx/filectrl.h"
  35
  36 #include "wx/wupdlock.h"
  37 #include "wx/filename.h"
  38
  39 #include "widgets.h"
  40
  41 // TODO change this
  42 #include "icons/dirctrl.xpm"
  43
  44 // ----------------------------------------------------------------------------
  45 // constants
  46 // ----------------------------------------------------------------------------
  47
  48 // control ids
  49 enum
  50 {
  51     FileCtrlPage_Reset = wxID_HIGHEST,
  52     FileCtrlPage_SetDirectory,
  53     FileCtrlPage_SetPath,
  54     FileCtrlPage_SetFilename,
  55     FileCtrlPage_Ctrl
  56 };
  57
  58 enum
  59 {
  60     FileCtrlMode_Open = 0,
  61     FileCtrlMode_Save
  62 };
  63
  64 // ----------------------------------------------------------------------------
  65 // CheckBoxWidgetsPage
  66 // ----------------------------------------------------------------------------
  67
  68 class FileCtrlWidgetsPage : public WidgetsPage
  69 {
  70 public:
  71     FileCtrlWidgetsPage( WidgetsBookCtrl *book, wxImageList *imaglist );
  72     virtual ~FileCtrlWidgetsPage() {}
  73
  74     virtual wxControl *GetWidget() const { return /*m_fileCtrl*/NULL; }
  75     virtual void RecreateWidget() { CreateFileCtrl(); }
  76
  77     // lazy creation of the content
  78     virtual void CreateContent();
  79
  80 protected:
  81     // event handlers
  82     void OnButtonSetDirectory( wxCommandEvent& event );
  83     void OnButtonSetPath( wxCommandEvent& event );
  84     void OnButtonSetFilename( wxCommandEvent& event );
  85     void OnButtonReset( wxCommandEvent& event );
  86     void OnCheckBox( wxCommandEvent& event );
  87     void OnRadioBox( wxCommandEvent& event );
  88     void OnFileCtrl( wxFileCtrlEvent& event );
  89
  90     // reset the control parameters
  91     void Reset();
  92
  93     // (re)create the m_fileCtrl
  94     void CreateFileCtrl();
  95
  96     // the controls
  97     // ------------
  98
  99     // the control itself and the sizer it is in
 100     wxFileCtrl *m_fileCtrl;
 101
 102     // the text entries for command parameters
 103     wxTextCtrl *m_dir;
 104     wxTextCtrl *m_path;
 105     wxTextCtrl *m_filename;
 106
 107     // flags
 108     wxCheckBox *m_chkMultiple,
 109                *m_chkNoShowHidden;
 110
 111     wxRadioBox *m_radioFileCtrlMode;
 112
 113     // filters
 114     wxCheckBox *m_fltr[3];
 115
 116 private:
 117     DECLARE_EVENT_TABLE()
 118     DECLARE_WIDGETS_PAGE( FileCtrlWidgetsPage )
 119 };
 120
 121 // ----------------------------------------------------------------------------
 122 // event tables
 123 // ----------------------------------------------------------------------------
 124
 125 BEGIN_EVENT_TABLE( FileCtrlWidgetsPage, WidgetsPage )
 126     EVT_BUTTON( FileCtrlPage_Reset, FileCtrlWidgetsPage::OnButtonReset )
 127     EVT_BUTTON( FileCtrlPage_SetDirectory, FileCtrlWidgetsPage::OnButtonSetDirectory )
 128     EVT_BUTTON( FileCtrlPage_SetPath, FileCtrlWidgetsPage::OnButtonSetPath )
 129     EVT_BUTTON( FileCtrlPage_SetFilename, FileCtrlWidgetsPage::OnButtonSetFilename )
 130     EVT_CHECKBOX( wxID_ANY, FileCtrlWidgetsPage::OnCheckBox )
 131     EVT_RADIOBOX( wxID_ANY, FileCtrlWidgetsPage::OnRadioBox )
 132
 133     EVT_FILECTRL_FILTERCHANGED( wxID_ANY, FileCtrlWidgetsPage::OnFileCtrl )
 134     EVT_FILECTRL_FOLDERCHANGED( wxID_ANY, FileCtrlWidgetsPage::OnFileCtrl )
 135     EVT_FILECTRL_SELECTIONCHANGED( wxID_ANY, FileCtrlWidgetsPage::OnFileCtrl )
 136     EVT_FILECTRL_FILEACTIVATED( wxID_ANY, FileCtrlWidgetsPage::OnFileCtrl )
 137 END_EVENT_TABLE()
 138
 139 // ============================================================================
 140 // implementation
 141 // ============================================================================
 142
 143 #if defined(__WXGTK__)
 144     #define FAMILY_CTRLS NATIVE_CTRLS
 145 #else
 146     #define FAMILY_CTRLS GENERIC_CTRLS
 147 #endif
 148
 149 IMPLEMENT_WIDGETS_PAGE( FileCtrlWidgetsPage, wxT( "FileCtrl" ),
 150                         FAMILY_CTRLS );
 151
 152 FileCtrlWidgetsPage::FileCtrlWidgetsPage( WidgetsBookCtrl *book,
 153         wxImageList *imaglist )
 154         : WidgetsPage( book, imaglist, dirctrl_xpm )
 155 {
 156 }
 157
 158 void FileCtrlWidgetsPage::CreateContent()
 159 {
 160     wxSizer *sizerTop = new wxBoxSizer( wxHORIZONTAL );
 161
 162     // left pane
 163     wxSizer *sizerLeft = new wxBoxSizer( wxVERTICAL );
 164
 165     static const wxString mode[] = { wxT( "open" ), wxT( "save" ) };
 166     m_radioFileCtrlMode = new wxRadioBox( this, wxID_ANY, wxT( "wxFileCtrl mode" ),
 167                                           wxDefaultPosition, wxDefaultSize,
 168                                           WXSIZEOF( mode ), mode );
 169
 170     sizerLeft->Add( m_radioFileCtrlMode,
 171                     0, wxALL | wxEXPAND , 5 );
 172
 173     sizerLeft->Add( CreateSizerWithTextAndButton( FileCtrlPage_SetDirectory , wxT( "Set &directory" ), wxID_ANY, &m_dir ),
 174                     0, wxALL | wxEXPAND , 5 );
 175     sizerLeft->Add( CreateSizerWithTextAndButton( FileCtrlPage_SetPath , wxT( "Set &path" ), wxID_ANY, &m_path ),
 176                     0, wxALL | wxEXPAND , 5 );
 177     sizerLeft->Add( CreateSizerWithTextAndButton( FileCtrlPage_SetFilename , wxT( "Set &filename" ), wxID_ANY, &m_filename ),
 178                     0, wxALL | wxEXPAND , 5 );
 179
 180     wxSizer *sizerUseFlags =
 181         new wxStaticBoxSizer( wxVERTICAL, this, wxT( "&Flags" ) );
 182
 183     m_chkMultiple   = CreateCheckBoxAndAddToSizer( sizerUseFlags, wxT( "wxFC_MULTIPLE" ) );
 184     m_chkNoShowHidden   = CreateCheckBoxAndAddToSizer( sizerUseFlags, wxT( "wxFC_NOSHOWHIDDEN" ) );
 185     sizerLeft->Add( sizerUseFlags, wxSizerFlags().Expand().Border() );
 186
 187     wxSizer *sizerFilters =
 188         new wxStaticBoxSizer( wxVERTICAL, this, wxT( "&Filters" ) );
 189     m_fltr[0] = CreateCheckBoxAndAddToSizer( sizerFilters, wxString::Format( wxT( "all files (%s)|%s" ),
 190                 wxFileSelectorDefaultWildcardStr, wxFileSelectorDefaultWildcardStr ) );
 191     m_fltr[1] = CreateCheckBoxAndAddToSizer( sizerFilters, wxT( "C++ files (*.cpp; *.h)|*.cpp;*.h" ) );
 192     m_fltr[2] = CreateCheckBoxAndAddToSizer( sizerFilters, wxT( "PNG images (*.png)|*.png" ) );
 193     sizerLeft->Add( sizerFilters, wxSizerFlags().Expand().Border() );
 194
 195     wxButton *btn = new wxButton( this, FileCtrlPage_Reset, wxT( "&Reset" ) );
 196     sizerLeft->Add( btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15 );
 197
 198     // right pane
 199     m_fileCtrl = new wxFileCtrl(
 200                      this,
 201                      FileCtrlPage_Ctrl,
 202                      wxEmptyString,
 203                      wxEmptyString,
 204                      wxEmptyString,
 205                      wxFC_OPEN,
 206                      wxDefaultPosition,
 207                      wxDefaultSize
 208                  );
 209
 210     // the 3 panes panes compose the window
 211     sizerTop->Add( sizerLeft, 0, ( wxALL & ~wxLEFT ), 10 );
 212     sizerTop->Add( m_fileCtrl, 1, wxGROW | ( wxALL & ~wxRIGHT ), 10 );
 213
 214     // final initializations
 215     Reset();
 216
 217     SetSizer( sizerTop );
 218 }
 219
 220 void FileCtrlWidgetsPage::Reset()
 221 {
 222     m_dir->SetValue( m_fileCtrl->GetDirectory() );
 223     m_radioFileCtrlMode->SetSelection( ( wxFC_DEFAULT_STYLE & wxFC_OPEN ) ?
 224                                        FileCtrlMode_Open : FileCtrlMode_Save );
 225 }
 226
 227 void FileCtrlWidgetsPage::CreateFileCtrl()
 228 {
 229     wxWindowUpdateLocker noUpdates( this );
 230
 231     const int style =
 232         ( m_radioFileCtrlMode->GetSelection() == FileCtrlMode_Open ?
 233           wxFC_OPEN : wxFC_SAVE ) |
 234         ( m_chkMultiple->IsChecked() ? wxFC_MULTIPLE : 0 ) |
 235         ( m_chkNoShowHidden->IsChecked() ? wxFC_NOSHOWHIDDEN : 0 );
 236
 237     wxFileCtrl *fileCtrl = new wxFileCtrl(
 238                                this,
 239                                FileCtrlPage_Ctrl,
 240                                wxEmptyString,
 241                                wxEmptyString,
 242                                wxEmptyString,
 243                                style,
 244                                wxDefaultPosition,
 245                                wxDefaultSize
 246                            );
 247
 248     wxString wildcard;
 249     for ( unsigned int i = 0; i < WXSIZEOF( m_fltr ); ++i )
 250     {
 251         if ( m_fltr[i]->IsChecked() )
 252         {
 253             if ( !wildcard.IsEmpty() )
 254                 wildcard += wxT( "|" );
 255             wildcard += m_fltr[i]->GetLabel();
 256         }
 257     }
 258     fileCtrl->SetWildcard( wildcard );
 259
 260     // update sizer's child window
 261     GetSizer()->Replace( m_fileCtrl, fileCtrl, true );
 262
 263     // update our pointer
 264     delete m_fileCtrl;
 265     m_fileCtrl = fileCtrl;
 266
 267     // relayout the sizer
 268     GetSizer()->Layout();
 269 }
 270
 271 // ----------------------------------------------------------------------------
 272 // event handlers
 273 // ----------------------------------------------------------------------------
 274
 275 void FileCtrlWidgetsPage::OnButtonSetDirectory( wxCommandEvent& WXUNUSED( event ) )
 276 {
 277     m_fileCtrl->SetDirectory( m_dir->GetValue() );
 278 }
 279
 280 void FileCtrlWidgetsPage::OnButtonSetPath( wxCommandEvent& WXUNUSED( event ) )
 281 {
 282     m_fileCtrl->SetPath( m_path->GetValue() );
 283 }
 284
 285 void FileCtrlWidgetsPage::OnButtonSetFilename( wxCommandEvent& WXUNUSED( event ) )
 286 {
 287     m_fileCtrl->SetFilename( m_filename->GetValue() );
 288 }
 289
 290 void FileCtrlWidgetsPage::OnButtonReset( wxCommandEvent& WXUNUSED( event ) )
 291 {
 292     Reset();
 293
 294     CreateFileCtrl();
 295 }
 296
 297 void FileCtrlWidgetsPage::OnCheckBox( wxCommandEvent& WXUNUSED( event ) )
 298 {
 299     CreateFileCtrl();
 300 }
 301
 302 void FileCtrlWidgetsPage::OnRadioBox( wxCommandEvent& WXUNUSED( event ) )
 303 {
 304     CreateFileCtrl();
 305 }
 306
 307 void FileCtrlWidgetsPage::OnFileCtrl( wxFileCtrlEvent& event )
 308 {
 309     if ( event.GetEventType() == wxEVT_FILECTRL_FOLDERCHANGED )
 310     {
 311         wxLogMessage("Folder changed event, new folder: %s", event.GetDirectory());
 312     }
 313     else if ( event.GetEventType() == wxEVT_FILECTRL_FILEACTIVATED )
 314     {
 315         wxLogMessage("File activated event: %s", wxJoin(event.GetFiles(), ' '));
 316     }
 317     else if ( event.GetEventType() == wxEVT_FILECTRL_SELECTIONCHANGED )
 318     {
 319         wxLogMessage("Selection changed event: %s", wxJoin(event.GetFiles(), ' '));
 320     }
 321     else if ( event.GetEventType() == wxEVT_FILECTRL_FILTERCHANGED )
 322     {
 323         wxLogMessage("Filter changed event: filter %d selected",
 324                      event.GetFilterIndex() + 1);
 325     }
 326 }
 327
 328 #endif // wxUSE_FILECTRL