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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
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17#if wxUSE_EDITABLELISTBOX
18
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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
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29// ============================================================================
30// implementation
31// ============================================================================
32
33const wxChar wxEditableListBoxNameStr[] = wxT("editableListBox");
34
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35static 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 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 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 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 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, _T("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 SetColumnWidth(0, w);
176 }
177
178private:
179 DECLARE_EVENT_TABLE()
180 void OnSize(wxSizeEvent& event)
181 {
182 SizeColumns();
183 event.Skip();
184 }
185};
186
187BEGIN_EVENT_TABLE(CleverListCtrl, wxListCtrl)
188 EVT_SIZE(CleverListCtrl::OnSize)
189END_EVENT_TABLE()
190
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191
192// ----------------------------------------------------------------------------
193// wxEditableListBox
194// ----------------------------------------------------------------------------
195
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196IMPLEMENT_CLASS(wxEditableListBox, wxPanel)
197
198// NB: generate the IDs at runtime to avoid conflict with XRCID values,
199// they could cause XRCCTRL() failures in XRC-based dialogs
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200const int wxID_ELB_DELETE = wxWindow::NewControlId();
201const int wxID_ELB_EDIT = wxWindow::NewControlId();
202const int wxID_ELB_NEW = wxWindow::NewControlId();
203const int wxID_ELB_UP = wxWindow::NewControlId();
204const int wxID_ELB_DOWN = wxWindow::NewControlId();
205const int wxID_ELB_LISTCTRL = wxWindow::NewControlId();
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206
207BEGIN_EVENT_TABLE(wxEditableListBox, wxPanel)
208 EVT_LIST_ITEM_SELECTED(wxID_ELB_LISTCTRL, wxEditableListBox::OnItemSelected)
209 EVT_LIST_END_LABEL_EDIT(wxID_ELB_LISTCTRL, wxEditableListBox::OnEndLabelEdit)
210 EVT_BUTTON(wxID_ELB_NEW, wxEditableListBox::OnNewItem)
211 EVT_BUTTON(wxID_ELB_UP, wxEditableListBox::OnUpItem)
212 EVT_BUTTON(wxID_ELB_DOWN, wxEditableListBox::OnDownItem)
213 EVT_BUTTON(wxID_ELB_EDIT, wxEditableListBox::OnEditItem)
214 EVT_BUTTON(wxID_ELB_DELETE, wxEditableListBox::OnDelItem)
215END_EVENT_TABLE()
216
395367bc 217bool wxEditableListBox::Create(wxWindow *parent, wxWindowID id,
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218 const wxString& label,
219 const wxPoint& pos, const wxSize& size,
220 long style,
221 const wxString& name)
806ad819 222{
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223 if (!wxPanel::Create(parent, id, pos, size, wxTAB_TRAVERSAL, name))
224 return false;
225
806ad819 226 m_style = style;
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227
228 wxSizer *sizer = new wxBoxSizer(wxVERTICAL);
229
230 wxPanel *subp = new wxPanel(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
231 wxSUNKEN_BORDER | wxTAB_TRAVERSAL);
232 wxSizer *subsizer = new wxBoxSizer(wxHORIZONTAL);
233 subsizer->Add(new wxStaticText(subp, wxID_ANY, label), 1, wxALIGN_CENTRE_VERTICAL | wxLEFT, 4);
234
235#ifdef __WXMSW__
236 #define BTN_BORDER 4
237 // FIXME - why is this needed? There's some reason why sunken border is
238 // ignored by sizers in wxMSW but not in wxGTK that I can't
239 // figure out...
240#else
241 #define BTN_BORDER 0
242#endif
243
244 if ( m_style & wxEL_ALLOW_EDIT )
245 {
246 m_bEdit = new wxBitmapButton(subp, wxID_ELB_EDIT, wxBitmap(eledit_xpm));
247 subsizer->Add(m_bEdit, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
248 }
249
250 if ( m_style & wxEL_ALLOW_NEW )
251 {
252 m_bNew = new wxBitmapButton(subp, wxID_ELB_NEW, wxBitmap(elnew_xpm));
253 subsizer->Add(m_bNew, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
254 }
255
256 if ( m_style & wxEL_ALLOW_DELETE )
257 {
258 m_bDel = new wxBitmapButton(subp, wxID_ELB_DELETE, wxBitmap(eldel_xpm));
259 subsizer->Add(m_bDel, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
260 }
261
262 if (!(m_style & wxEL_NO_REORDER))
263 {
264 m_bUp = new wxBitmapButton(subp, wxID_ELB_UP, wxBitmap(elup_xpm));
265 subsizer->Add(m_bUp, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
266
267 m_bDown = new wxBitmapButton(subp, wxID_ELB_DOWN, wxBitmap(eldown_xpm));
268 subsizer->Add(m_bDown, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
269 }
270
271#if wxUSE_TOOLTIPS
272 if ( m_bEdit ) m_bEdit->SetToolTip(_("Edit item"));
273 if ( m_bNew ) m_bNew->SetToolTip(_("New item"));
274 if ( m_bDel ) m_bDel->SetToolTip(_("Delete item"));
275 if ( m_bUp ) m_bUp->SetToolTip(_("Move up"));
276 if ( m_bDown ) m_bDown->SetToolTip(_("Move down"));
277#endif
278
279 subp->SetSizer(subsizer);
280 subsizer->Fit(subp);
281
282 sizer->Add(subp, 0, wxEXPAND);
283
284 long st = wxLC_REPORT | wxLC_NO_HEADER | wxLC_SINGLE_SEL | wxSUNKEN_BORDER;
285 if ( style & wxEL_ALLOW_EDIT )
286 st |= wxLC_EDIT_LABELS;
287 m_listCtrl = new CleverListCtrl(this, wxID_ELB_LISTCTRL,
288 wxDefaultPosition, wxDefaultSize, st);
289 wxArrayString empty_ar;
290 SetStrings(empty_ar);
291
292 sizer->Add(m_listCtrl, 1, wxEXPAND);
293
294 SetSizer(sizer);
295 Layout();
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296
297 return true;
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298}
299
300void wxEditableListBox::SetStrings(const wxArrayString& strings)
301{
302 m_listCtrl->DeleteAllItems();
303 size_t i;
304
305 for (i = 0; i < strings.GetCount(); i++)
306 m_listCtrl->InsertItem(i, strings[i]);
307
308 m_listCtrl->InsertItem(strings.GetCount(), wxEmptyString);
309 m_listCtrl->SetItemState(0, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
310}
311
312void wxEditableListBox::GetStrings(wxArrayString& strings) const
313{
314 strings.Clear();
315
316 for (int i = 0; i < m_listCtrl->GetItemCount()-1; i++)
317 strings.Add(m_listCtrl->GetItemText(i));
318}
319
320void wxEditableListBox::OnItemSelected(wxListEvent& event)
321{
322 m_selection = event.GetIndex();
323 if (!(m_style & wxEL_NO_REORDER))
324 {
325 m_bUp->Enable(m_selection != 0 && m_selection < m_listCtrl->GetItemCount()-1);
326 m_bDown->Enable(m_selection < m_listCtrl->GetItemCount()-2);
327 }
328
329 if (m_style & wxEL_ALLOW_EDIT)
330 m_bEdit->Enable(m_selection < m_listCtrl->GetItemCount()-1);
331 if (m_style & wxEL_ALLOW_DELETE)
332 m_bDel->Enable(m_selection < m_listCtrl->GetItemCount()-1);
333}
334
335void wxEditableListBox::OnNewItem(wxCommandEvent& WXUNUSED(event))
336{
337 m_listCtrl->SetItemState(m_listCtrl->GetItemCount()-1,
338 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
339 m_listCtrl->EditLabel(m_selection);
340}
341
342void wxEditableListBox::OnEndLabelEdit(wxListEvent& event)
343{
344 if ( event.GetIndex() == m_listCtrl->GetItemCount()-1 &&
345 !event.GetText().empty() )
346 {
347 // The user edited last (empty) line, i.e. added new entry. We have to
348 // add new empty line here so that adding one more line is still
349 // possible:
350 m_listCtrl->InsertItem(m_listCtrl->GetItemCount(), wxEmptyString);
351
352 // Simulate a wxEVT_COMMAND_LIST_ITEM_SELECTED event for the new item,
353 // so that the buttons are enabled/disabled properly
354 wxListEvent selectionEvent(wxEVT_COMMAND_LIST_ITEM_SELECTED, m_listCtrl->GetId());
355 selectionEvent.m_itemIndex = event.GetIndex();
356 m_listCtrl->GetEventHandler()->ProcessEvent(selectionEvent);
357 }
358}
359
360void wxEditableListBox::OnDelItem(wxCommandEvent& WXUNUSED(event))
361{
362 m_listCtrl->DeleteItem(m_selection);
363 m_listCtrl->SetItemState(m_selection,
364 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
365}
366
367void wxEditableListBox::OnEditItem(wxCommandEvent& WXUNUSED(event))
368{
369 m_listCtrl->EditLabel(m_selection);
370}
371
372void wxEditableListBox::OnUpItem(wxCommandEvent& WXUNUSED(event))
373{
374 wxString t1, t2;
375
376 t1 = m_listCtrl->GetItemText(m_selection - 1);
377 t2 = m_listCtrl->GetItemText(m_selection);
378 m_listCtrl->SetItemText(m_selection - 1, t2);
379 m_listCtrl->SetItemText(m_selection, t1);
380 m_listCtrl->SetItemState(m_selection - 1,
381 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
382}
383
384void wxEditableListBox::OnDownItem(wxCommandEvent& WXUNUSED(event))
385{
386 wxString t1, t2;
387
388 t1 = m_listCtrl->GetItemText(m_selection + 1);
389 t2 = m_listCtrl->GetItemText(m_selection);
390 m_listCtrl->SetItemText(m_selection + 1, t2);
391 m_listCtrl->SetItemText(m_selection, t1);
392 m_listCtrl->SetItemState(m_selection + 1,
393 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
394}
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395
396#endif // wxUSE_EDITABLELISTBOX