contrib/src/gizmos/editlbox.cpp

   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" wxWindows 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 = -1,
  40                   const wxPoint &pos = wxDefaultPosition,
  41                   const wxSize &size = wxDefaultSize,
  42                   long style = wxLC_ICON,
  43                   const wxValidator& validator = wxDefaultValidator,
  44                   const wxString &name = "listctrl")
  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          w -= wxSystemSettings::GetMetric(wxSYS_VSCROLL_X) + 6;
  60          SetColumnWidth(0, w);
  61     }
  62
  63 private:
  64     DECLARE_EVENT_TABLE()
  65     void OnSize(wxSizeEvent& event)
  66     {
  67         SizeColumns();
  68         event.Skip();
  69     }
  70 };
  71
  72 BEGIN_EVENT_TABLE(CleverListCtrl, wxListCtrl)
  73    EVT_SIZE(CleverListCtrl::OnSize)
  74 END_EVENT_TABLE()
  75
  76
  77 #include "eldel.xpm"
  78 #include "eldown.xpm"
  79 #include "eledit.xpm"
  80 #include "elnew.xpm"
  81 #include "elup.xpm"
  82
  83 IMPLEMENT_CLASS(wxEditableListBox, wxPanel)
  84
  85 enum
  86 {
  87     // ID value doesn't matter, it won't propagate out of wxEditableListBox
  88     // instance
  89     wxID_ELB_DELETE = wxID_HIGHEST + 1,
  90     wxID_ELB_NEW,
  91     wxID_ELB_UP,
  92     wxID_ELB_DOWN,
  93     wxID_ELB_EDIT,
  94     wxID_ELD_LISTCTRL
  95 };
  96
  97 BEGIN_EVENT_TABLE(wxEditableListBox, wxPanel)
  98     EVT_LIST_ITEM_SELECTED(wxID_ELD_LISTCTRL, wxEditableListBox::OnItemSelected)
  99     EVT_LIST_END_LABEL_EDIT(wxID_ELD_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), m_edittingNew(FALSE)
 113 {
 114     m_style = style;
 115     wxSizer *sizer = new wxBoxSizer(wxVERTICAL);
 116
 117     wxPanel *subp = new wxPanel(this, -1, wxDefaultPosition, wxDefaultSize,
 118                                 wxSUNKEN_BORDER | wxTAB_TRAVERSAL);
 119     wxSizer *subsizer = new wxBoxSizer(wxHORIZONTAL);
 120     subsizer->Add(new wxStaticText(subp, -1, label), 1, wxALIGN_CENTRE_VERTICAL | wxLEFT, 4);
 121     m_bEdit = new wxBitmapButton(subp, wxID_ELB_EDIT, wxBitmap(eledit_xpm));
 122     m_bNew = new wxBitmapButton(subp, wxID_ELB_NEW, wxBitmap(elnew_xpm));
 123     m_bDel = new wxBitmapButton(subp, wxID_ELB_DELETE, wxBitmap(eldel_xpm));
 124     m_bUp = new wxBitmapButton(subp, wxID_ELB_UP, wxBitmap(elup_xpm));
 125     m_bDown = new wxBitmapButton(subp, wxID_ELB_DOWN, wxBitmap(eldown_xpm));
 126
 127 #if wxUSE_TOOLTIPS
 128     m_bEdit->SetToolTip(wxT("Edit item"));
 129     m_bNew->SetToolTip(wxT("New item"));
 130     m_bDel->SetToolTip(wxT("Delete item"));
 131     m_bUp->SetToolTip(wxT("Move up"));
 132     m_bDown->SetToolTip(wxT("Move down"));
 133 #endif
 134
 135 #ifdef __WXMSW__
 136     #define BTN_BORDER 4
 137     // FIXME - why is this needed? There's some reason why sunken border is
 138     //         ignored by sizers in wxMSW but not in wxGTK that I can't
 139     //         figure out...
 140 #else
 141     #define BTN_BORDER 0
 142 #endif
 143
 144     subsizer->Add(m_bEdit, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
 145     subsizer->Add(m_bNew, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
 146     subsizer->Add(m_bDel, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
 147
 148     if (!(m_style & wxEL_ALLOW_EDIT))
 149         m_bEdit->Show(FALSE);
 150     if (!(m_style & wxEL_ALLOW_NEW))
 151         m_bNew->Show(FALSE);
 152     if (!(m_style & wxEL_ALLOW_DELETE))
 153         m_bDel->Show(FALSE);
 154
 155     subsizer->Add(m_bUp, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
 156     subsizer->Add(m_bDown, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
 157
 158     subp->SetAutoLayout(TRUE);
 159     subp->SetSizer(subsizer);
 160     subsizer->Fit(subp);
 161
 162     sizer->Add(subp, 0, wxEXPAND);
 163
 164     long st = wxLC_REPORT | wxLC_NO_HEADER | wxLC_SINGLE_SEL | wxSUNKEN_BORDER;
 165     if (style & wxEL_ALLOW_EDIT)
 166         st |= wxLC_EDIT_LABELS;
 167     m_listCtrl = new CleverListCtrl(this, wxID_ELD_LISTCTRL,
 168                                     wxDefaultPosition, wxDefaultSize, st);
 169     wxArrayString empty_ar;
 170     SetStrings(empty_ar);
 171
 172     sizer->Add(m_listCtrl, 1, wxEXPAND);
 173
 174     SetAutoLayout(TRUE);
 175     SetSizer(sizer);
 176     Layout();
 177 }
 178
 179 void wxEditableListBox::SetStrings(const wxArrayString& strings)
 180 {
 181     m_listCtrl->DeleteAllItems();
 182     size_t i;
 183
 184     for (i = 0; i < strings.GetCount(); i++)
 185         m_listCtrl->InsertItem(i, strings[i]);
 186
 187     m_listCtrl->InsertItem(strings.GetCount(), _T(""));
 188     m_listCtrl->SetItemState(0, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 189 }
 190
 191 void wxEditableListBox::GetStrings(wxArrayString& strings)
 192 {
 193     strings.Clear();
 194
 195     for (int i = 0; i < m_listCtrl->GetItemCount()-1; i++)
 196         strings.Add(m_listCtrl->GetItemText(i));
 197 }
 198
 199 void wxEditableListBox::OnItemSelected(wxListEvent& event)
 200 {
 201     m_selection = event.GetIndex();
 202     m_bUp->Enable(m_selection != 0 && m_selection < m_listCtrl->GetItemCount()-1);
 203     m_bDown->Enable(m_selection < m_listCtrl->GetItemCount()-2);
 204     if (m_style & wxEL_ALLOW_EDIT)
 205         m_bEdit->Enable(m_selection < m_listCtrl->GetItemCount()-1);
 206     if (m_style & wxEL_ALLOW_DELETE)
 207         m_bDel->Enable(m_selection < m_listCtrl->GetItemCount()-1);
 208 }
 209
 210 void wxEditableListBox::OnNewItem(wxCommandEvent& event)
 211 {
 212     m_listCtrl->SetItemState(m_listCtrl->GetItemCount()-1,
 213                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 214     m_edittingNew = TRUE;
 215     m_listCtrl->EditLabel(m_selection);
 216 }
 217
 218 void wxEditableListBox::OnEndLabelEdit(wxListEvent& event)
 219 {
 220     if (m_edittingNew)
 221     {
 222         m_edittingNew = FALSE;
 223         if (!event.GetText().IsEmpty())
 224             m_listCtrl->InsertItem(m_listCtrl->GetItemCount(), _T(""));
 225     }
 226 }
 227
 228 void wxEditableListBox::OnDelItem(wxCommandEvent& event)
 229 {
 230     m_listCtrl->DeleteItem(m_selection);
 231     m_listCtrl->SetItemState(m_selection,
 232                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 233 }
 234
 235 void wxEditableListBox::OnEditItem(wxCommandEvent& event)
 236 {
 237     m_listCtrl->EditLabel(m_selection);
 238 }
 239
 240 void wxEditableListBox::OnUpItem(wxCommandEvent& event)
 241 {
 242     wxString t1, t2;
 243
 244     t1 = m_listCtrl->GetItemText(m_selection - 1);
 245     t2 = m_listCtrl->GetItemText(m_selection);
 246     m_listCtrl->SetItemText(m_selection - 1, t2);
 247     m_listCtrl->SetItemText(m_selection, t1);
 248     m_listCtrl->SetItemState(m_selection - 1,
 249                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 250 }
 251
 252 void wxEditableListBox::OnDownItem(wxCommandEvent& event)
 253 {
 254     wxString t1, t2;
 255
 256     t1 = m_listCtrl->GetItemText(m_selection + 1);
 257     t2 = m_listCtrl->GetItemText(m_selection);
 258     m_listCtrl->SetItemText(m_selection + 1, t2);
 259     m_listCtrl->SetItemText(m_selection, t1);
 260     m_listCtrl->SetItemState(m_selection + 1,
 261                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 262 }