samples/widgets/dirpicker.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        dirpicker.cpp
   4 // Purpose:     Shows wxDirPickerCtrl
   5 // Author:      Francesco Montorsi
   6 // Created:     20/6/2006
   7 // Id:          $Id$
   8 // Copyright:   (c) 2006 Francesco Montorsi
   9 // Licence:     wxWindows licence
  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_DIRPICKERCTRL
  28
  29 // for all others, include the necessary headers
  30 #ifndef WX_PRECOMP
  31     #include "wx/app.h"
  32     #include "wx/log.h"
  33     #include "wx/radiobox.h"
  34     #include "wx/textctrl.h"
  35 #endif
  36
  37 #include "wx/artprov.h"
  38 #include "wx/sizer.h"
  39 #include "wx/stattext.h"
  40 #include "wx/checkbox.h"
  41 #include "wx/imaglist.h"
  42
  43 #include "wx/filepicker.h"
  44 #include "widgets.h"
  45
  46 #include "icons/dirpicker.xpm"
  47
  48 // ----------------------------------------------------------------------------
  49 // constants
  50 // ----------------------------------------------------------------------------
  51
  52 // control ids
  53 enum
  54 {
  55     PickerPage_Reset = wxID_HIGHEST,
  56     PickerPage_Dir,
  57     PickerPage_SetDir
  58 };
  59
  60
  61 // ----------------------------------------------------------------------------
  62 // DirPickerWidgetsPage
  63 // ----------------------------------------------------------------------------
  64
  65 class DirPickerWidgetsPage : public WidgetsPage
  66 {
  67 public:
  68     DirPickerWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  69     virtual ~DirPickerWidgetsPage(){};
  70
  71     virtual wxControl *GetWidget() const { return m_dirPicker; }
  72     virtual void RecreateWidget() { RecreatePicker(); }
  73
  74     // lazy creation of the content
  75     virtual void CreateContent();
  76
  77 protected:
  78
  79     // called only once at first construction
  80     void CreatePicker();
  81
  82     // called to recreate an existing control
  83     void RecreatePicker();
  84
  85     // restore the checkboxes state to the initial values
  86     void Reset();
  87
  88     // get the initial style for the picker of the given kind
  89     long GetPickerStyle();
  90
  91
  92     void OnDirChange(wxFileDirPickerEvent &ev);
  93     void OnCheckBox(wxCommandEvent &ev);
  94     void OnButtonReset(wxCommandEvent &ev);
  95     void OnButtonSetDir(wxCommandEvent &ev);
  96
  97
  98     // the picker
  99     wxDirPickerCtrl *m_dirPicker;
 100
 101
 102     // other controls
 103     // --------------
 104
 105     wxCheckBox *m_chkDirTextCtrl,
 106                *m_chkDirChangeDir,
 107                *m_chkDirMustExist,
 108                *m_chkSmall;
 109     wxTextCtrl *m_textInitialDir;
 110
 111     wxBoxSizer *m_sizer;
 112
 113 private:
 114     DECLARE_EVENT_TABLE()
 115     DECLARE_WIDGETS_PAGE(DirPickerWidgetsPage)
 116 };
 117
 118 // ----------------------------------------------------------------------------
 119 // event tables
 120 // ----------------------------------------------------------------------------
 121
 122 BEGIN_EVENT_TABLE(DirPickerWidgetsPage, WidgetsPage)
 123     EVT_BUTTON(PickerPage_Reset, DirPickerWidgetsPage::OnButtonReset)
 124     EVT_BUTTON(PickerPage_SetDir, DirPickerWidgetsPage::OnButtonSetDir)
 125
 126     EVT_DIRPICKER_CHANGED(PickerPage_Dir, DirPickerWidgetsPage::OnDirChange)
 127
 128     EVT_CHECKBOX(wxID_ANY, DirPickerWidgetsPage::OnCheckBox)
 129 END_EVENT_TABLE()
 130
 131 // ============================================================================
 132 // implementation
 133 // ============================================================================
 134
 135 #if defined(__WXGTK24__)
 136     #define FAMILY_CTRLS NATIVE_CTRLS
 137 #else
 138     #define FAMILY_CTRLS GENERIC_CTRLS
 139 #endif
 140
 141 IMPLEMENT_WIDGETS_PAGE(DirPickerWidgetsPage, wxT("DirPicker"),
 142                        PICKER_CTRLS | FAMILY_CTRLS);
 143
 144 DirPickerWidgetsPage::DirPickerWidgetsPage(WidgetsBookCtrl *book,
 145                                      wxImageList *imaglist)
 146                   : WidgetsPage(book, imaglist, dirpicker_xpm)
 147 {
 148 }
 149
 150 void DirPickerWidgetsPage::CreateContent()
 151 {
 152     // left pane
 153     wxSizer *boxleft = new wxBoxSizer(wxVERTICAL);
 154
 155     wxStaticBoxSizer *dirbox = new wxStaticBoxSizer(wxVERTICAL, this, wxT("&DirPicker style"));
 156     m_chkDirTextCtrl = CreateCheckBoxAndAddToSizer(dirbox, wxT("With textctrl"), false);
 157     m_chkDirMustExist = CreateCheckBoxAndAddToSizer(dirbox, wxT("Dir must exist"), false);
 158     m_chkDirChangeDir = CreateCheckBoxAndAddToSizer(dirbox, wxT("Change working dir"), false);
 159     m_chkSmall = CreateCheckBoxAndAddToSizer(dirbox, "&Small version", false);
 160     boxleft->Add(dirbox, 0, wxALL|wxGROW, 5);
 161
 162     boxleft->Add(CreateSizerWithTextAndButton
 163                  (
 164                     PickerPage_SetDir,
 165                     "&Initial directory",
 166                     wxID_ANY,
 167                     &m_textInitialDir
 168                  ), wxSizerFlags().Expand().Border());
 169
 170     boxleft->AddSpacer(10);
 171
 172     boxleft->Add(new wxButton(this, PickerPage_Reset, wxT("&Reset")),
 173                  0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 174
 175     Reset();    // set checkboxes state
 176
 177     // create pickers
 178     m_dirPicker = NULL;
 179     CreatePicker();
 180
 181     // right pane
 182     m_sizer = new wxBoxSizer(wxVERTICAL);
 183     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 184     m_sizer->Add(m_dirPicker, 0, wxEXPAND|wxALL, 5);
 185     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 186
 187     // global pane
 188     wxSizer *sz = new wxBoxSizer(wxHORIZONTAL);
 189     sz->Add(boxleft, 0, wxGROW|wxALL, 5);
 190     sz->Add(m_sizer, 1, wxGROW|wxALL, 5);
 191
 192     SetSizer(sz);
 193 }
 194
 195 void DirPickerWidgetsPage::CreatePicker()
 196 {
 197     delete m_dirPicker;
 198
 199     m_dirPicker = new wxDirPickerCtrl(this, PickerPage_Dir,
 200                                         wxGetHomeDir(), wxT("Hello!"),
 201                                         wxDefaultPosition, wxDefaultSize,
 202                                         GetPickerStyle());
 203 }
 204
 205 long DirPickerWidgetsPage::GetPickerStyle()
 206 {
 207     long style = 0;
 208
 209     if ( m_chkDirTextCtrl->GetValue() )
 210         style |= wxDIRP_USE_TEXTCTRL;
 211
 212     if ( m_chkDirMustExist->GetValue() )
 213         style |= wxDIRP_DIR_MUST_EXIST;
 214
 215     if ( m_chkDirChangeDir->GetValue() )
 216         style |= wxDIRP_CHANGE_DIR;
 217
 218     if ( m_chkSmall->GetValue() )
 219         style |= wxDIRP_SMALL;
 220
 221     return style;
 222 }
 223
 224 void DirPickerWidgetsPage::RecreatePicker()
 225 {
 226     m_sizer->Remove(1);
 227     CreatePicker();
 228     m_sizer->Insert(1, m_dirPicker, 0, wxEXPAND|wxALL, 5);
 229
 230     m_sizer->Layout();
 231 }
 232
 233 void DirPickerWidgetsPage::Reset()
 234 {
 235     m_chkDirTextCtrl->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_USE_TEXTCTRL) != 0);
 236     m_chkDirMustExist->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_DIR_MUST_EXIST) != 0);
 237     m_chkDirChangeDir->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_CHANGE_DIR) != 0);
 238     m_chkSmall->SetValue((wxFLP_DEFAULT_STYLE & wxDIRP_SMALL) != 0);
 239 }
 240
 241
 242 // ----------------------------------------------------------------------------
 243 // event handlers
 244 // ----------------------------------------------------------------------------
 245
 246 void DirPickerWidgetsPage::OnButtonSetDir(wxCommandEvent& WXUNUSED(event))
 247 {
 248     m_dirPicker->SetInitialDirectory(m_textInitialDir->GetValue());
 249 }
 250
 251 void DirPickerWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 252 {
 253     Reset();
 254     RecreatePicker();
 255 }
 256
 257 void DirPickerWidgetsPage::OnDirChange(wxFileDirPickerEvent& event)
 258 {
 259     wxLogMessage(wxT("The directory changed to '%s' ! The current working directory is '%s'"),
 260                  event.GetPath().c_str(), wxGetCwd().c_str());
 261 }
 262
 263 void DirPickerWidgetsPage::OnCheckBox(wxCommandEvent &event)
 264 {
 265     if (event.GetEventObject() == m_chkDirTextCtrl ||
 266         event.GetEventObject() == m_chkDirChangeDir ||
 267         event.GetEventObject() == m_chkDirMustExist ||
 268         event.GetEventObject() == m_chkSmall)
 269         RecreatePicker();
 270 }
 271
 272 #endif  //  wxUSE_DIRPICKERCTRL