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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 #ifdef __GNUG__
11 #pragma implementation "editlbox.h"
12 #endif
13
14 // For compilers that support precompilation, includes "wx/wx.h".
15 #include "wx/wxprec.h"
16
17 #ifdef __BORLANDC__
18 #pragma hdrstop
19 #endif
20
21 // for all others, include the necessary headers (this file is usually all you
22 // need because it includes almost all "standard" wxWidgets headers)
23 #ifndef WX_PRECOMP
24 #include "wx/wx.h"
25 #endif
26
27 #include "wx/gizmos/editlbox.h"
28 #include "wx/sizer.h"
29 #include "wx/listctrl.h"
30
31
32
33
34 // list control with auto-resizable column:
35 class CleverListCtrl : public wxListCtrl
36 {
37 public:
38 CleverListCtrl(wxWindow *parent,
39 wxWindowID id = wxID_ANY,
40 const wxPoint &pos = wxDefaultPosition,
41 const wxSize &size = wxDefaultSize,
42 long style = wxLC_ICON,
43 const wxValidator& validator = wxDefaultValidator,
44 const wxString &name = wxListCtrlNameStr)
45 : wxListCtrl(parent, id, pos, size, style, validator, name)
46 {
47 CreateColumns();
48 }
49
50 void CreateColumns()
51 {
52 InsertColumn(0, _T("item"));
53 SizeColumns();
54 }
55
56 void SizeColumns()
57 {
58 int w = GetSize().x;
59 #ifdef __WXMSW__
60 w -= wxSystemSettings::GetMetric(wxSYS_VSCROLL_X) + 6;
61 #else
62 w -= 2*wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
63 #endif
64 SetColumnWidth(0, w);
65 }
66
67 private:
68 DECLARE_EVENT_TABLE()
69 void OnSize(wxSizeEvent& event)
70 {
71 SizeColumns();
72 event.Skip();
73 }
74 };
75
76 BEGIN_EVENT_TABLE(CleverListCtrl, wxListCtrl)
77 EVT_SIZE(CleverListCtrl::OnSize)
78 END_EVENT_TABLE()
79
80 #include "eldel.xpm"
81 #include "eldown.xpm"
82 #include "eledit.xpm"
83 #include "elnew.xpm"
84 #include "elup.xpm"
85
86 IMPLEMENT_CLASS(wxEditableListBox, wxPanel)
87
88 // NB: generate the IDs at runtime to avoid conflict with XRCID values,
89 // they could cause XRCCTRL() failures in XRC-based dialogs
90 const int wxID_ELB_DELETE = wxNewId();
91 const int wxID_ELB_EDIT = wxNewId();
92 const int wxID_ELB_NEW = wxNewId();
93 const int wxID_ELB_UP = wxNewId();
94 const int wxID_ELB_DOWN = wxNewId();
95 const int wxID_ELB_LISTCTRL = wxNewId();
96
97 BEGIN_EVENT_TABLE(wxEditableListBox, wxPanel)
98 EVT_LIST_ITEM_SELECTED(wxID_ELB_LISTCTRL, wxEditableListBox::OnItemSelected)
99 EVT_LIST_END_LABEL_EDIT(wxID_ELB_LISTCTRL, wxEditableListBox::OnEndLabelEdit)
100 EVT_BUTTON(wxID_ELB_NEW, wxEditableListBox::OnNewItem)
101 EVT_BUTTON(wxID_ELB_UP, wxEditableListBox::OnUpItem)
102 EVT_BUTTON(wxID_ELB_DOWN, wxEditableListBox::OnDownItem)
103 EVT_BUTTON(wxID_ELB_EDIT, wxEditableListBox::OnEditItem)
104 EVT_BUTTON(wxID_ELB_DELETE, wxEditableListBox::OnDelItem)
105 END_EVENT_TABLE()
106
107 wxEditableListBox::wxEditableListBox(wxWindow *parent, wxWindowID id,
108 const wxString& label,
109 const wxPoint& pos, const wxSize& size,
110 long style,
111 const wxString& name)
112 : wxPanel(parent, id, pos, size, wxTAB_TRAVERSAL, name)
113 {
114 m_style = style;
115 m_bEdit = m_bNew = m_bDel = m_bUp = m_bDown = NULL;
116
117 wxSizer *sizer = new wxBoxSizer(wxVERTICAL);
118
119 wxPanel *subp = new wxPanel(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
120 wxSUNKEN_BORDER | wxTAB_TRAVERSAL);
121 wxSizer *subsizer = new wxBoxSizer(wxHORIZONTAL);
122 subsizer->Add(new wxStaticText(subp, wxID_ANY, label), 1, wxALIGN_CENTRE_VERTICAL | wxLEFT, 4);
123
124 #ifdef __WXMSW__
125 #define BTN_BORDER 4
126 // FIXME - why is this needed? There's some reason why sunken border is
127 // ignored by sizers in wxMSW but not in wxGTK that I can't
128 // figure out...
129 #else
130 #define BTN_BORDER 0
131 #endif
132
133 if ( m_style & wxEL_ALLOW_EDIT )
134 {
135 m_bEdit = new wxBitmapButton(subp, wxID_ELB_EDIT, wxBitmap(eledit_xpm));
136 subsizer->Add(m_bEdit, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
137 }
138
139 if ( m_style & wxEL_ALLOW_NEW )
140 {
141 m_bNew = new wxBitmapButton(subp, wxID_ELB_NEW, wxBitmap(elnew_xpm));
142 subsizer->Add(m_bNew, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
143 }
144
145 if ( m_style & wxEL_ALLOW_DELETE )
146 {
147 m_bDel = new wxBitmapButton(subp, wxID_ELB_DELETE, wxBitmap(eldel_xpm));
148 subsizer->Add(m_bDel, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
149 }
150
151 m_bUp = new wxBitmapButton(subp, wxID_ELB_UP, wxBitmap(elup_xpm));
152 subsizer->Add(m_bUp, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
153
154 m_bDown = new wxBitmapButton(subp, wxID_ELB_DOWN, wxBitmap(eldown_xpm));
155 subsizer->Add(m_bDown, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
156
157 #if wxUSE_TOOLTIPS
158 if ( m_bEdit ) m_bEdit->SetToolTip(_("Edit item"));
159 if ( m_bNew ) m_bNew->SetToolTip(_("New item"));
160 if ( m_bDel ) m_bDel->SetToolTip(_("Delete item"));
161 m_bUp->SetToolTip(_("Move up"));
162 m_bDown->SetToolTip(_("Move down"));
163 #endif
164
165 subp->SetSizer(subsizer);
166 subsizer->Fit(subp);
167
168 sizer->Add(subp, 0, wxEXPAND);
169
170 long st = wxLC_REPORT | wxLC_NO_HEADER | wxLC_SINGLE_SEL | wxSUNKEN_BORDER;
171 if ( style & wxEL_ALLOW_EDIT )
172 st |= wxLC_EDIT_LABELS;
173 m_listCtrl = new CleverListCtrl(this, wxID_ELB_LISTCTRL,
174 wxDefaultPosition, wxDefaultSize, st);
175 wxArrayString empty_ar;
176 SetStrings(empty_ar);
177
178 sizer->Add(m_listCtrl, 1, wxEXPAND);
179
180 SetSizer(sizer);
181 Layout();
182 }
183
184 void wxEditableListBox::SetStrings(const wxArrayString& strings)
185 {
186 m_listCtrl->DeleteAllItems();
187 size_t i;
188
189 for (i = 0; i < strings.GetCount(); i++)
190 m_listCtrl->InsertItem(i, strings[i]);
191
192 m_listCtrl->InsertItem(strings.GetCount(), wxEmptyString);
193 m_listCtrl->SetItemState(0, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
194 }
195
196 void wxEditableListBox::GetStrings(wxArrayString& strings)
197 {
198 strings.Clear();
199
200 for (int i = 0; i < m_listCtrl->GetItemCount()-1; i++)
201 strings.Add(m_listCtrl->GetItemText(i));
202 }
203
204 void wxEditableListBox::OnItemSelected(wxListEvent& event)
205 {
206 m_selection = event.GetIndex();
207 m_bUp->Enable(m_selection != 0 && m_selection < m_listCtrl->GetItemCount()-1);
208 m_bDown->Enable(m_selection < m_listCtrl->GetItemCount()-2);
209 if (m_style & wxEL_ALLOW_EDIT)
210 m_bEdit->Enable(m_selection < m_listCtrl->GetItemCount()-1);
211 if (m_style & wxEL_ALLOW_DELETE)
212 m_bDel->Enable(m_selection < m_listCtrl->GetItemCount()-1);
213 }
214
215 void wxEditableListBox::OnNewItem(wxCommandEvent& WXUNUSED(event))
216 {
217 m_listCtrl->SetItemState(m_listCtrl->GetItemCount()-1,
218 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
219 m_listCtrl->EditLabel(m_selection);
220 }
221
222 void wxEditableListBox::OnEndLabelEdit(wxListEvent& event)
223 {
224 if ( event.GetIndex() == m_listCtrl->GetItemCount()-1 &&
225 !event.GetText().empty() )
226 {
227 // The user edited last (empty) line, i.e. added new entry. We have to
228 // add new empty line here so that adding one more line is still
229 // possible:
230 m_listCtrl->InsertItem(m_listCtrl->GetItemCount(), wxEmptyString);
231 }
232 }
233
234 void wxEditableListBox::OnDelItem(wxCommandEvent& WXUNUSED(event))
235 {
236 m_listCtrl->DeleteItem(m_selection);
237 m_listCtrl->SetItemState(m_selection,
238 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
239 }
240
241 void wxEditableListBox::OnEditItem(wxCommandEvent& WXUNUSED(event))
242 {
243 m_listCtrl->EditLabel(m_selection);
244 }
245
246 void wxEditableListBox::OnUpItem(wxCommandEvent& WXUNUSED(event))
247 {
248 wxString t1, t2;
249
250 t1 = m_listCtrl->GetItemText(m_selection - 1);
251 t2 = m_listCtrl->GetItemText(m_selection);
252 m_listCtrl->SetItemText(m_selection - 1, t2);
253 m_listCtrl->SetItemText(m_selection, t1);
254 m_listCtrl->SetItemState(m_selection - 1,
255 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
256 }
257
258 void wxEditableListBox::OnDownItem(wxCommandEvent& WXUNUSED(event))
259 {
260 wxString t1, t2;
261
262 t1 = m_listCtrl->GetItemText(m_selection + 1);
263 t2 = m_listCtrl->GetItemText(m_selection);
264 m_listCtrl->SetItemText(m_selection + 1, t2);
265 m_listCtrl->SetItemText(m_selection, t1);
266 m_listCtrl->SetItemState(m_selection + 1,
267 wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
268 }