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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Program: wxWidgets Widgets Sample | |
3 | // Name: filepicker.cpp | |
4 | // Purpose: Part of the widgets sample showing wx*PickerCtrl | |
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_FILEPICKERCTRL | |
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/filepicker.xpm" | |
46 | ||
47 | // ---------------------------------------------------------------------------- | |
48 | // constants | |
49 | // ---------------------------------------------------------------------------- | |
50 | ||
51 | enum | |
52 | { | |
53 | FilePickerMode_Open = 0, | |
54 | FilePickerMode_Save | |
55 | }; | |
56 | ||
57 | // control ids | |
58 | enum | |
59 | { | |
60 | PickerPage_Reset = wxID_HIGHEST, | |
61 | PickerPage_File | |
62 | }; | |
63 | ||
64 | ||
65 | // ---------------------------------------------------------------------------- | |
66 | // FilePickerWidgetsPage | |
67 | // ---------------------------------------------------------------------------- | |
68 | ||
69 | class FilePickerWidgetsPage : public WidgetsPage | |
70 | { | |
71 | public: | |
72 | FilePickerWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist); | |
73 | virtual ~FilePickerWidgetsPage(){}; | |
74 | ||
75 | virtual wxControl *GetWidget() const { return m_filePicker; } | |
76 | virtual void RecreateWidget() { RecreatePicker(); } | |
77 | ||
78 | // lazy creation of the content | |
79 | virtual void CreateContent(); | |
80 | ||
81 | protected: | |
82 | ||
83 | // called only once at first construction | |
84 | void CreatePicker(); | |
85 | ||
86 | // called to recreate an existing control | |
87 | void RecreatePicker(); | |
88 | ||
89 | // restore the checkboxes state to the initial values | |
90 | void Reset(); | |
91 | ||
92 | // get the initial style for the picker of the given kind | |
93 | long GetPickerStyle(); | |
94 | ||
95 | // update filepicker radiobox | |
96 | void UpdateFilePickerMode(); | |
97 | ||
98 | // the pickers and the relative event handlers | |
99 | void OnFileChange(wxFileDirPickerEvent &ev); | |
100 | void OnCheckBox(wxCommandEvent &ev); | |
101 | void OnButtonReset(wxCommandEvent &ev); | |
102 | ||
103 | ||
104 | // the picker | |
105 | wxFilePickerCtrl *m_filePicker; | |
106 | ||
107 | ||
108 | // other controls | |
109 | // -------------- | |
110 | ||
111 | wxCheckBox *m_chkFileTextCtrl, | |
112 | *m_chkFileOverwritePrompt, | |
113 | *m_chkFileMustExist, | |
114 | *m_chkFileChangeDir; | |
115 | wxRadioBox *m_radioFilePickerMode; | |
116 | ||
117 | wxBoxSizer *m_sizer; | |
118 | ||
119 | private: | |
120 | DECLARE_EVENT_TABLE() | |
121 | DECLARE_WIDGETS_PAGE(FilePickerWidgetsPage) | |
122 | }; | |
123 | ||
124 | // ---------------------------------------------------------------------------- | |
125 | // event tables | |
126 | // ---------------------------------------------------------------------------- | |
127 | ||
128 | BEGIN_EVENT_TABLE(FilePickerWidgetsPage, WidgetsPage) | |
129 | EVT_BUTTON(PickerPage_Reset, FilePickerWidgetsPage::OnButtonReset) | |
130 | ||
131 | EVT_FILEPICKER_CHANGED(PickerPage_File, FilePickerWidgetsPage::OnFileChange) | |
132 | ||
133 | EVT_CHECKBOX(wxID_ANY, FilePickerWidgetsPage::OnCheckBox) | |
134 | EVT_RADIOBOX(wxID_ANY, FilePickerWidgetsPage::OnCheckBox) | |
135 | END_EVENT_TABLE() | |
136 | ||
137 | // ============================================================================ | |
138 | // implementation | |
139 | // ============================================================================ | |
140 | ||
141 | #if defined(__WXGTK24__) | |
142 | #define FAMILY_CTRLS NATIVE_CTRLS | |
143 | #else | |
144 | #define FAMILY_CTRLS GENERIC_CTRLS | |
145 | #endif | |
146 | ||
147 | IMPLEMENT_WIDGETS_PAGE(FilePickerWidgetsPage, wxT("FilePicker"), | |
148 | PICKER_CTRLS | FAMILY_CTRLS); | |
149 | ||
150 | FilePickerWidgetsPage::FilePickerWidgetsPage(WidgetsBookCtrl *book, | |
151 | wxImageList *imaglist) | |
152 | : WidgetsPage(book, imaglist, filepicker_xpm) | |
153 | { | |
154 | } | |
155 | ||
156 | void FilePickerWidgetsPage::CreateContent() | |
157 | { | |
158 | // left pane | |
159 | wxSizer *boxleft = new wxBoxSizer(wxVERTICAL); | |
160 | ||
161 | static const wxString mode[] = { wxT("open"), wxT("save") }; | |
162 | m_radioFilePickerMode = new wxRadioBox(this, wxID_ANY, wxT("wxFilePicker mode"), | |
163 | wxDefaultPosition, wxDefaultSize, | |
164 | WXSIZEOF(mode), mode); | |
165 | boxleft->Add(m_radioFilePickerMode, 0, wxALL|wxGROW, 5); | |
166 | ||
167 | wxStaticBoxSizer *filebox = new wxStaticBoxSizer(wxVERTICAL, this, wxT("&FilePicker style")); | |
168 | m_chkFileTextCtrl = CreateCheckBoxAndAddToSizer(filebox, wxT("With textctrl"), false); | |
169 | m_chkFileOverwritePrompt = CreateCheckBoxAndAddToSizer(filebox, wxT("Overwrite prompt"), false); | |
170 | m_chkFileMustExist = CreateCheckBoxAndAddToSizer(filebox, wxT("File must exist"), false); | |
171 | m_chkFileChangeDir = CreateCheckBoxAndAddToSizer(filebox, wxT("Change working dir"), false); | |
172 | boxleft->Add(filebox, 0, wxALL|wxGROW, 5); | |
173 | ||
174 | boxleft->Add(new wxButton(this, PickerPage_Reset, wxT("&Reset")), | |
175 | 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15); | |
176 | ||
177 | Reset(); // set checkboxes state | |
178 | ||
179 | // create pickers | |
180 | m_filePicker = NULL; | |
181 | CreatePicker(); | |
182 | ||
183 | // right pane | |
184 | m_sizer = new wxBoxSizer(wxVERTICAL); | |
185 | m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer | |
186 | m_sizer->Add(m_filePicker, 0, wxALIGN_CENTER|wxALL, 5); | |
187 | m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer | |
188 | ||
189 | // global pane | |
190 | wxSizer *sz = new wxBoxSizer(wxHORIZONTAL); | |
191 | sz->Add(boxleft, 0, wxGROW|wxALL, 5); | |
192 | sz->Add(m_sizer, 1, wxGROW|wxALL, 5); | |
193 | ||
194 | SetSizer(sz); | |
195 | } | |
196 | ||
197 | void FilePickerWidgetsPage::CreatePicker() | |
198 | { | |
199 | delete m_filePicker; | |
200 | ||
201 | // pass an empty string as initial file | |
202 | m_filePicker = new wxFilePickerCtrl(this, PickerPage_File, | |
203 | wxEmptyString, | |
204 | wxT("Hello!"), wxT("*"), | |
205 | wxDefaultPosition, wxDefaultSize, | |
206 | GetPickerStyle()); | |
207 | } | |
208 | ||
209 | long FilePickerWidgetsPage::GetPickerStyle() | |
210 | { | |
211 | long style = 0; | |
212 | ||
213 | if ( m_chkFileTextCtrl->GetValue() ) | |
214 | style |= wxFLP_USE_TEXTCTRL; | |
215 | ||
216 | if ( m_chkFileOverwritePrompt->GetValue() ) | |
217 | style |= wxFLP_OVERWRITE_PROMPT; | |
218 | ||
219 | if ( m_chkFileMustExist->GetValue() ) | |
220 | style |= wxFLP_FILE_MUST_EXIST; | |
221 | ||
222 | if ( m_chkFileChangeDir->GetValue() ) | |
223 | style |= wxFLP_CHANGE_DIR; | |
224 | ||
225 | if (m_radioFilePickerMode->GetSelection() == FilePickerMode_Open) | |
226 | style |= wxFLP_OPEN; | |
227 | else | |
228 | style |= wxFLP_SAVE; | |
229 | ||
230 | return style; | |
231 | } | |
232 | ||
233 | void FilePickerWidgetsPage::RecreatePicker() | |
234 | { | |
235 | m_sizer->Remove(1); | |
236 | CreatePicker(); | |
237 | m_sizer->Insert(1, m_filePicker, 0, wxALIGN_CENTER||wxALL, 5); | |
238 | ||
239 | m_sizer->Layout(); | |
240 | } | |
241 | ||
242 | void FilePickerWidgetsPage::Reset() | |
243 | { | |
244 | m_radioFilePickerMode->SetSelection((wxFLP_DEFAULT_STYLE & wxFLP_OPEN) ? | |
245 | FilePickerMode_Open : FilePickerMode_Save); | |
246 | m_chkFileTextCtrl->SetValue((wxFLP_DEFAULT_STYLE & wxFLP_USE_TEXTCTRL) != 0); | |
247 | m_chkFileOverwritePrompt->SetValue((wxFLP_DEFAULT_STYLE & wxFLP_OVERWRITE_PROMPT) != 0); | |
248 | m_chkFileMustExist->SetValue((wxFLP_DEFAULT_STYLE & wxFLP_FILE_MUST_EXIST) != 0); | |
249 | m_chkFileChangeDir->SetValue((wxFLP_DEFAULT_STYLE & wxFLP_CHANGE_DIR) != 0); | |
250 | ||
251 | UpdateFilePickerMode(); | |
252 | } | |
253 | ||
254 | void FilePickerWidgetsPage::UpdateFilePickerMode() | |
255 | { | |
256 | switch (m_radioFilePickerMode->GetSelection()) | |
257 | { | |
258 | case FilePickerMode_Open: | |
259 | m_chkFileOverwritePrompt->SetValue(false); | |
260 | m_chkFileOverwritePrompt->Disable(); | |
261 | m_chkFileMustExist->Enable(); | |
262 | break; | |
263 | case FilePickerMode_Save: | |
264 | m_chkFileMustExist->SetValue(false); | |
265 | m_chkFileMustExist->Disable(); | |
266 | m_chkFileOverwritePrompt->Enable(); | |
267 | break; | |
268 | } | |
269 | } | |
270 | ||
271 | ||
272 | // ---------------------------------------------------------------------------- | |
273 | // event handlers | |
274 | // ---------------------------------------------------------------------------- | |
275 | ||
276 | void FilePickerWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event)) | |
277 | { | |
278 | Reset(); | |
279 | ||
280 | RecreatePicker(); | |
281 | } | |
282 | ||
283 | void FilePickerWidgetsPage::OnFileChange(wxFileDirPickerEvent& event) | |
284 | { | |
285 | wxLogMessage(wxT("The file changed to '%s' ! The current working directory is '%s'"), | |
286 | event.GetPath().c_str(), wxGetCwd().c_str()); | |
287 | } | |
288 | ||
289 | void FilePickerWidgetsPage::OnCheckBox(wxCommandEvent &event) | |
290 | { | |
291 | if (event.GetEventObject() == m_chkFileTextCtrl || | |
292 | event.GetEventObject() == m_chkFileOverwritePrompt || | |
293 | event.GetEventObject() == m_chkFileMustExist || | |
294 | event.GetEventObject() == m_chkFileChangeDir) | |
295 | RecreatePicker(); | |
296 | ||
297 | if (event.GetEventObject() == m_radioFilePickerMode) | |
298 | { | |
299 | UpdateFilePickerMode(); | |
300 | RecreatePicker(); | |
301 | } | |
302 | } | |
303 | ||
304 | #endif // wxUSE_FILEPICKERCTRL |