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: dirpicker.cpp 43755 2006-12-03 13:43:44Z VZ $
8// Copyright:   (c) 2006 Francesco Montorsi
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_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#endif
35
36#include "wx/artprov.h"
37#include "wx/sizer.h"
38#include "wx/stattext.h"
39#include "wx/checkbox.h"
40#include "wx/imaglist.h"
41
42#include "wx/filepicker.h"
43#include "widgets.h"
44
45#include "icons/dirpicker.xpm"
46
47// ----------------------------------------------------------------------------
48// constants
49// ----------------------------------------------------------------------------
50
51// control ids
52enum
53{
54    PickerPage_Reset = wxID_HIGHEST,
55    PickerPage_Dir
56};
57
58
59// ----------------------------------------------------------------------------
60// DirPickerWidgetsPage
61// ----------------------------------------------------------------------------
62
63class DirPickerWidgetsPage : public WidgetsPage
64{
65public:
66    DirPickerWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
67    virtual ~DirPickerWidgetsPage(){};
68
69    virtual wxControl *GetWidget() const { return m_dirPicker; }
70    virtual void RecreateWidget() { RecreatePicker(); }
71
72    // lazy creation of the content
73    virtual void CreateContent();
74
75protected:
76
77    // called only once at first construction
78    void CreatePicker();
79
80    // called to recreate an existing control
81    void RecreatePicker();
82
83    // restore the checkboxes state to the initial values
84    void Reset();
85
86    // get the initial style for the picker of the given kind
87    long GetPickerStyle();
88
89
90    void OnDirChange(wxFileDirPickerEvent &ev);
91    void OnCheckBox(wxCommandEvent &ev);
92    void OnButtonReset(wxCommandEvent &ev);
93
94    // the picker
95    wxDirPickerCtrl *m_dirPicker;
96
97
98    // other controls
99    // --------------
100
101    wxCheckBox *m_chkDirTextCtrl,
102               *m_chkDirChangeDir,
103               *m_chkDirMustExist;
104    wxBoxSizer *m_sizer;
105
106private:
107    DECLARE_EVENT_TABLE()
108    DECLARE_WIDGETS_PAGE(DirPickerWidgetsPage)
109};
110
111// ----------------------------------------------------------------------------
112// event tables
113// ----------------------------------------------------------------------------
114
115BEGIN_EVENT_TABLE(DirPickerWidgetsPage, WidgetsPage)
116    EVT_BUTTON(PickerPage_Reset, DirPickerWidgetsPage::OnButtonReset)
117
118    EVT_DIRPICKER_CHANGED(PickerPage_Dir, DirPickerWidgetsPage::OnDirChange)
119
120    EVT_CHECKBOX(wxID_ANY, DirPickerWidgetsPage::OnCheckBox)
121END_EVENT_TABLE()
122
123// ============================================================================
124// implementation
125// ============================================================================
126
127#if defined(__WXGTK24__)
128    #define FAMILY_CTRLS NATIVE_CTRLS
129#else
130    #define FAMILY_CTRLS GENERIC_CTRLS
131#endif
132
133IMPLEMENT_WIDGETS_PAGE(DirPickerWidgetsPage, _T("DirPicker"),
134                       PICKER_CTRLS | FAMILY_CTRLS);
135
136DirPickerWidgetsPage::DirPickerWidgetsPage(WidgetsBookCtrl *book,
137                                     wxImageList *imaglist)
138                  : WidgetsPage(book, imaglist, dirpicker_xpm)
139{
140}
141
142void DirPickerWidgetsPage::CreateContent()
143{
144    // left pane
145    wxSizer *boxleft = new wxBoxSizer(wxVERTICAL);
146
147    wxStaticBoxSizer *dirbox = new wxStaticBoxSizer(wxVERTICAL, this, _T("&DirPicker style"));
148    m_chkDirTextCtrl = CreateCheckBoxAndAddToSizer(dirbox, _T("With textctrl"), false);
149    m_chkDirMustExist = CreateCheckBoxAndAddToSizer(dirbox, _T("Dir must exist"), false);
150    m_chkDirChangeDir = CreateCheckBoxAndAddToSizer(dirbox, _T("Change working dir"), false);
151    boxleft->Add(dirbox, 0, wxALL|wxGROW, 5);
152
153    boxleft->Add(new wxButton(this, PickerPage_Reset, _T("&Reset")),
154                 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
155
156    Reset();    // set checkboxes state
157
158    // create pickers
159    m_dirPicker = NULL;
160    CreatePicker();
161
162    // right pane
163    m_sizer = new wxBoxSizer(wxVERTICAL);
164    m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
165    m_sizer->Add(m_dirPicker, 0, wxALIGN_CENTER|wxALL, 5);
166    m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
167
168    // global pane
169    wxSizer *sz = new wxBoxSizer(wxHORIZONTAL);
170    sz->Add(boxleft, 0, wxGROW|wxALL, 5);
171    sz->Add(m_sizer, 1, wxGROW|wxALL, 5);
172
173    SetSizer(sz);
174}
175
176void DirPickerWidgetsPage::CreatePicker()
177{
178    delete m_dirPicker;
179
180    m_dirPicker = new wxDirPickerCtrl(this, PickerPage_Dir,
181                                        wxGetHomeDir(), wxT("Hello!"),
182                                        wxDefaultPosition, wxDefaultSize,
183                                        GetPickerStyle());
184}
185
186long DirPickerWidgetsPage::GetPickerStyle()
187{
188    long style = 0;
189
190    if ( m_chkDirTextCtrl->GetValue() )
191        style |= wxDIRP_USE_TEXTCTRL;
192
193    if ( m_chkDirMustExist->GetValue() )
194        style |= wxDIRP_DIR_MUST_EXIST;
195
196    if ( m_chkDirChangeDir->GetValue() )
197        style |= wxDIRP_CHANGE_DIR;
198
199    return style;
200}
201
202void DirPickerWidgetsPage::RecreatePicker()
203{
204    m_sizer->Remove(1);
205    CreatePicker();
206    m_sizer->Insert(1, m_dirPicker, 0, wxALIGN_CENTER|wxALL, 5);
207
208    m_sizer->Layout();
209}
210
211void DirPickerWidgetsPage::Reset()
212{
213    m_chkDirTextCtrl->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_USE_TEXTCTRL) != 0);
214    m_chkDirMustExist->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_DIR_MUST_EXIST) != 0);
215    m_chkDirChangeDir->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_CHANGE_DIR) != 0);
216}
217
218
219// ----------------------------------------------------------------------------
220// event handlers
221// ----------------------------------------------------------------------------
222
223void DirPickerWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
224{
225    Reset();
226    RecreatePicker();
227}
228
229void DirPickerWidgetsPage::OnDirChange(wxFileDirPickerEvent& event)
230{
231    wxLogMessage(wxT("The directory changed to '%s' ! The current working directory is '%s'"),
232                 event.GetPath().c_str(), wxGetCwd().c_str());
233}
234
235void DirPickerWidgetsPage::OnCheckBox(wxCommandEvent &event)
236{
237    if (event.GetEventObject() == m_chkDirTextCtrl ||
238        event.GetEventObject() == m_chkDirChangeDir ||
239        event.GetEventObject() == m_chkDirMustExist)
240        RecreatePicker();
241}
242
243#endif  //  wxUSE_DIRPICKERCTRL
244