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1/////////////////////////////////////////////////////////////////////////////
2// Name: editlbox.cpp
3// Purpose: ListBox with editable items
4// Author: Vaclav Slavik
5// RCS-ID: $Id$
6// Copyright: (c) Vaclav Slavik
7// Licence: wxWindows licence
8/////////////////////////////////////////////////////////////////////////////
9
10// For compilers that support precompilation, includes "wx/wx.h".
11#include "wx/wxprec.h"
12
13#ifdef __BORLANDC__
14 #pragma hdrstop
15#endif
16
17#if wxUSE_EDITABLELISTBOX
18
19// for all others, include the necessary headers (this file is usually all you
20// need because it includes almost all "standard" wxWidgets headers)
21#ifndef WX_PRECOMP
22 #include "wx/wx.h"
23#endif
24
25#include "wx/editlbox.h"
26#include "wx/sizer.h"
27#include "wx/listctrl.h"
28
29// ============================================================================
30// implementation
31// ============================================================================
32
33const char wxEditableListBoxNameStr[] = "editableListBox";
34
35static const char * eledit_xpm[] = {
36"16 16 3 1",
37" c None",
38". c #000000",
39"+ c #00007F",
40" ",
41" ",
42" .. .. ",
43" . ",
44" . ",
45" ++++ . ++++ ",
46" ++ . ++ ++",
47" +++++ . ++++++",
48" ++ ++ . ++ ",
49" ++ ++ . ++ ++",
50" +++++ . ++++ ",
51" . ",
52" . ",
53" .. .. ",
54" ",
55" "};
56
57static const char * elnew_xpm[] = {
58"16 16 5 1",
59" c None",
60". c #7F7F7F",
61"+ c #FFFFFF",
62"@ c #FFFF00",
63"# c #000000",
64" ",
65" ",
66" . .+ .@ ",
67" . .@.@# # # ",
68" @.@+.... # ",
69" ... @@ ",
70" @ . @. # ",
71" .# .@ ",
72" . # ",
73" # ",
74" # ",
75" # ",
76" # ",
77" # # # # # # ",
78" ",
79" "};
80
81static const char * eldel_xpm[] = {
82"16 16 3 1",
83" c None",
84". c #7F0000",
85"+ c #FFFFFF",
86" ",
87" ",
88" ",
89" ..+ ..+ ",
90" ....+ ..+ ",
91" ....+ ..+ ",
92" ...+ .+ ",
93" .....+ ",
94" ...+ ",
95" .....+ ",
96" ...+ ..+ ",
97" ...+ ..+ ",
98" ...+ .+ ",
99" ...+ .+ ",
100" . . ",
101" "};
102
103static const char * eldown_xpm[] = {
104"16 16 2 1",
105" c None",
106". c #000000",
107" ",
108" ",
109" ... ",
110" ... ",
111" ... ",
112" ... ",
113" ... ",
114" ... ",
115" ........... ",
116" ......... ",
117" ....... ",
118" ..... ",
119" ... ",
120" . ",
121" ",
122" "};
123
124static const char * elup_xpm[] = {
125"16 16 2 1",
126" c None",
127". c #000000",
128" ",
129" . ",
130" ... ",
131" ..... ",
132" ....... ",
133" ......... ",
134" ........... ",
135" ... ",
136" ... ",
137" ... ",
138" ... ",
139" ... ",
140" ... ",
141" ",
142" ",
143" "};
144
145// list control with auto-resizable column:
146class CleverListCtrl : public wxListCtrl
147{
148public:
149 CleverListCtrl(wxWindow *parent,
150 wxWindowID id = wxID_ANY,
151 const wxPoint &pos = wxDefaultPosition,
152 const wxSize &size = wxDefaultSize,
153 long style = wxLC_ICON,
154 const wxValidator& validator = wxDefaultValidator,
155 const wxString &name = wxListCtrlNameStr)
156 : wxListCtrl(parent, id, pos, size, style, validator, name)
157 {
158 CreateColumns();
159 }
160
161 void CreateColumns()
162 {
163 InsertColumn(0, wxT("item"));
164 SizeColumns();
165 }
166
167 void SizeColumns()
168 {
169 int w = GetSize().x;
170#ifdef __WXMSW__
171 w -= wxSystemSettings::GetMetric(wxSYS_VSCROLL_X) + 6;
172#else
173 w -= 2*wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
174#endif
175 if (w < 0) w = 0;
176 SetColumnWidth(0, w);
177 }
178
179private:
180 DECLARE_EVENT_TABLE()
181 void OnSize(wxSizeEvent& event)
182 {
183 SizeColumns();
184 event.Skip();
185 }
186};
187
188BEGIN_EVENT_TABLE(CleverListCtrl, wxListCtrl)
189 EVT_SIZE(CleverListCtrl::OnSize)
190END_EVENT_TABLE()
191
192
193// ----------------------------------------------------------------------------
194// wxEditableListBox
195// ----------------------------------------------------------------------------
196
197IMPLEMENT_CLASS(wxEditableListBox, wxPanel)
198
199// NB: generate the IDs at runtime to avoid conflict with XRCID values,
200// they could cause XRCCTRL() failures in XRC-based dialogs
201const wxWindowIDRef wxID_ELB_DELETE = wxWindow::NewControlId();
202const wxWindowIDRef wxID_ELB_EDIT = wxWindow::NewControlId();
203const wxWindowIDRef wxID_ELB_NEW = wxWindow::NewControlId();
204const wxWindowIDRef wxID_ELB_UP = wxWindow::NewControlId();
205const wxWindowIDRef wxID_ELB_DOWN = wxWindow::NewControlId();
206const wxWindowIDRef wxID_ELB_LISTCTRL = wxWindow::NewControlId();
207
208BEGIN_EVENT_TABLE(wxEditableListBox, wxPanel)
209 EVT_LIST_ITEM_SELECTED(wxID_ELB_LISTCTRL, wxEditableListBox::OnItemSelected)
210 EVT_LIST_END_LABEL_EDIT(wxID_ELB_LISTCTRL, wxEditableListBox::OnEndLabelEdit)
211 EVT_BUTTON(wxID_ELB_NEW, wxEditableListBox::OnNewItem)
212 EVT_BUTTON(wxID_ELB_UP, wxEditableListBox::OnUpItem)
213 EVT_BUTTON(wxID_ELB_DOWN, wxEditableListBox::OnDownItem)
214 EVT_BUTTON(wxID_ELB_EDIT, wxEditableListBox::OnEditItem)
215 EVT_BUTTON(wxID_ELB_DELETE, wxEditableListBox::OnDelItem)
216END_EVENT_TABLE()
217
218bool wxEditableListBox::Create(wxWindow *parent, wxWindowID id,
219 const wxString& label,
220 const wxPoint& pos, const wxSize& size,
221 long style,
222 const wxString& name)
223{
224 if (!wxPanel::Create(parent, id, pos, size, wxTAB_TRAVERSAL, name))
225 return false;
226
227 m_style = style;
228
229 wxSizer *sizer = new wxBoxSizer(wxVERTICAL);
230
231 wxPanel *subp = new wxPanel(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
232 wxSUNKEN_BORDER | wxTAB_TRAVERSAL);
233 wxSizer *subsizer = new wxBoxSizer(wxHORIZONTAL);
234 subsizer->Add(new wxStaticText(subp, wxID_ANY, label), 1, wxALIGN_CENTRE_VERTICAL | wxLEFT, 4);
235
236#ifdef __WXMSW__
237 #define BTN_BORDER 4
238 // FIXME - why is this needed? There's some reason why sunken border is
239 // ignored by sizers in wxMSW but not in wxGTK that I can't
240 // figure out...
241#else
242 #define BTN_BORDER 0
243#endif
244
245 if ( m_style & wxEL_ALLOW_EDIT )
246 {
247 m_bEdit = new wxBitmapButton(subp, wxID_ELB_EDIT, wxBitmap(eledit_xpm));
248 subsizer->Add(m_bEdit, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
249 }
250
251 if ( m_style & wxEL_ALLOW_NEW )
252 {
253 m_bNew = new wxBitmapButton(subp, wxID_ELB_NEW, wxBitmap(elnew_xpm));
254 subsizer->Add(m_bNew, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
255 }
256
257 if ( m_style & wxEL_ALLOW_DELETE )
258 {
259 m_bDel = new wxBitmapButton(subp, wxID_ELB_DELETE, wxBitmap(eldel_xpm));
260 subsizer->Add(m_bDel, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
261 }
262
263 if (!(m_style & wxEL_NO_REORDER))
264 {
265 m_bUp = new wxBitmapButton(subp, wxID_ELB_UP, wxBitmap(elup_xpm));
266 subsizer->Add(m_bUp, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
267
268 m_bDown = new wxBitmapButton(subp, wxID_ELB_DOWN, wxBitmap(eldown_xpm));
269 subsizer->Add(m_bDown, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
270 }
271
272#if wxUSE_TOOLTIPS
273 if ( m_bEdit ) m_bEdit->SetToolTip(_("Edit item"));
274 if ( m_bNew ) m_bNew->SetToolTip(_("New item"));
275 if ( m_bDel ) m_bDel->SetToolTip(_("Delete item"));
276 if ( m_bUp ) m_bUp->SetToolTip(_("Move up"));
277 if ( m_bDown ) m_bDown->SetToolTip(_("Move down"));
278#endif
279
280 subp->SetSizer(subsizer);
281 subsizer->Fit(subp);
282
283 sizer->Add(subp, 0, wxEXPAND);
284
285 long st = wxLC_REPORT | wxLC_NO_HEADER | wxLC_SINGLE_SEL | wxSUNKEN_BORDER;
286 if ( style & wxEL_ALLOW_EDIT )
287 st |= wxLC_EDIT_LABELS;
288 m_listCtrl = new CleverListCtrl(this, wxID_ELB_LISTCTRL,
289 wxDefaultPosition, wxDefaultSize, st);
290 wxArrayString empty_ar;
291 SetStrings(empty_ar);
292
293 sizer->Add(m_listCtrl, 1, wxEXPAND);
294
295 SetSizer(sizer);
296 Layout();
297
298 return true;
299}
300
301void wxEditableListBox::SetStrings(const wxArrayString& strings)
302{
303 m_listCtrl->DeleteAllItems();
304 size_t i;
305
306 for (i = 0; i < strings.GetCount(); i++)
307 m_listCtrl->InsertItem(i, strings[i]);
308
309 m_listCtrl->InsertItem(strings.GetCount(), wxEmptyString);
310 m_listCtrl->SetItemState(0, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
311}
312
313void wxEditableListBox::GetStrings(wxArrayString& strings) const
314{
315 strings.Clear();
316
317 for (int i = 0; i < m_listCtrl->GetItemCount()-1; i++)
318 strings.Add(m_listCtrl->GetItemText(i));
319}
320
321void wxEditableListBox::OnItemSelected(wxListEvent& event)
322{
323 m_selection = event.GetIndex();
324 if (!(m_style & wxEL_NO_REORDER))
325 {
326 m_bUp->Enable(m_selection != 0 && m_selection < m_listCtrl->GetItemCount()-1);
327 m_bDown->Enable(m_selection < m_listCtrl->GetItemCount()-2);
328 }
329
330 if (m_style & wxEL_ALLOW_EDIT)
331 m_bEdit->Enable(m_selection < m_listCtrl->GetItemCount()-1);
332 if (m_style & wxEL_ALLOW_DELETE)
333 m_bDel->Enable(m_selection < m_listCtrl->GetItemCount()-1);
334}
335
336void wxEditableListBox::OnNewItem(wxCommandEvent& WXUNUSED(event))
337{
338 m_listCtrl->SetItemState(m_listCtrl->GetItemCount()-1,
339 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
340 m_listCtrl->EditLabel(m_selection);
341}
342
343void wxEditableListBox::OnEndLabelEdit(wxListEvent& event)
344{
345 if ( event.GetIndex() == m_listCtrl->GetItemCount()-1 &&
346 !event.GetText().empty() )
347 {
348 // The user edited last (empty) line, i.e. added new entry. We have to
349 // add new empty line here so that adding one more line is still
350 // possible:
351 m_listCtrl->InsertItem(m_listCtrl->GetItemCount(), wxEmptyString);
352
353 // Simulate a wxEVT_COMMAND_LIST_ITEM_SELECTED event for the new item,
354 // so that the buttons are enabled/disabled properly
355 wxListEvent selectionEvent(wxEVT_COMMAND_LIST_ITEM_SELECTED, m_listCtrl->GetId());
356 selectionEvent.m_itemIndex = event.GetIndex();
357 m_listCtrl->GetEventHandler()->ProcessEvent(selectionEvent);
358 }
359}
360
361void wxEditableListBox::OnDelItem(wxCommandEvent& WXUNUSED(event))
362{
363 m_listCtrl->DeleteItem(m_selection);
364 m_listCtrl->SetItemState(m_selection,
365 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
366}
367
368void wxEditableListBox::OnEditItem(wxCommandEvent& WXUNUSED(event))
369{
370 m_listCtrl->EditLabel(m_selection);
371}
372
373void wxEditableListBox::OnUpItem(wxCommandEvent& WXUNUSED(event))
374{
375 wxString t1, t2;
376
377 t1 = m_listCtrl->GetItemText(m_selection - 1);
378 t2 = m_listCtrl->GetItemText(m_selection);
379 m_listCtrl->SetItemText(m_selection - 1, t2);
380 m_listCtrl->SetItemText(m_selection, t1);
381 m_listCtrl->SetItemState(m_selection - 1,
382 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
383}
384
385void wxEditableListBox::OnDownItem(wxCommandEvent& WXUNUSED(event))
386{
387 wxString t1, t2;
388
389 t1 = m_listCtrl->GetItemText(m_selection + 1);
390 t2 = m_listCtrl->GetItemText(m_selection);
391 m_listCtrl->SetItemText(m_selection + 1, t2);
392 m_listCtrl->SetItemText(m_selection, t1);
393 m_listCtrl->SetItemState(m_selection + 1,
394 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
395}
396
397#endif // wxUSE_EDITABLELISTBOX