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     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, -1, wxDefaultPosition, wxDefaultSize,
 120                                 wxSUNKEN_BORDER | wxTAB_TRAVERSAL);
 121     wxSizer *subsizer = new wxBoxSizer(wxHORIZONTAL);
 122     subsizer->Add(new wxStaticText(subp, -1, 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(wxT("Edit item"));
 159     if ( m_bNew ) m_bNew->SetToolTip(wxT("New item"));
 160     if ( m_bDel ) m_bDel->SetToolTip(wxT("Delete item"));
 161     m_bUp->SetToolTip(wxT("Move up"));
 162     m_bDown->SetToolTip(wxT("Move down"));
 163 #endif
 164
 165     subp->SetAutoLayout(TRUE);
 166     subp->SetSizer(subsizer);
 167     subsizer->Fit(subp);
 168
 169     sizer->Add(subp, 0, wxEXPAND);
 170
 171     long st = wxLC_REPORT | wxLC_NO_HEADER | wxLC_SINGLE_SEL | wxSUNKEN_BORDER;
 172     if ( style & wxEL_ALLOW_EDIT )
 173          st |= wxLC_EDIT_LABELS;
 174     m_listCtrl = new CleverListCtrl(this, wxID_ELD_LISTCTRL,
 175                                     wxDefaultPosition, wxDefaultSize, st);
 176     wxArrayString empty_ar;
 177     SetStrings(empty_ar);
 178
 179     sizer->Add(m_listCtrl, 1, wxEXPAND);
 180
 181     SetAutoLayout(TRUE);
 182     SetSizer(sizer);
 183     Layout();
 184 }
 185
 186 void wxEditableListBox::SetStrings(const wxArrayString& strings)
 187 {
 188     m_listCtrl->DeleteAllItems();
 189     size_t i;
 190
 191     for (i = 0; i < strings.GetCount(); i++)
 192         m_listCtrl->InsertItem(i, strings[i]);
 193
 194     m_listCtrl->InsertItem(strings.GetCount(), _T(""));
 195     m_listCtrl->SetItemState(0, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 196 }
 197
 198 void wxEditableListBox::GetStrings(wxArrayString& strings)
 199 {
 200     strings.Clear();
 201
 202     for (int i = 0; i < m_listCtrl->GetItemCount()-1; i++)
 203         strings.Add(m_listCtrl->GetItemText(i));
 204 }
 205
 206 void wxEditableListBox::OnItemSelected(wxListEvent& event)
 207 {
 208     m_selection = event.GetIndex();
 209     m_bUp->Enable(m_selection != 0 && m_selection < m_listCtrl->GetItemCount()-1);
 210     m_bDown->Enable(m_selection < m_listCtrl->GetItemCount()-2);
 211     if (m_style & wxEL_ALLOW_EDIT)
 212         m_bEdit->Enable(m_selection < m_listCtrl->GetItemCount()-1);
 213     if (m_style & wxEL_ALLOW_DELETE)
 214         m_bDel->Enable(m_selection < m_listCtrl->GetItemCount()-1);
 215 }
 216
 217 void wxEditableListBox::OnNewItem(wxCommandEvent& event)
 218 {
 219     m_listCtrl->SetItemState(m_listCtrl->GetItemCount()-1,
 220                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 221     m_edittingNew = TRUE;
 222     m_listCtrl->EditLabel(m_selection);
 223 }
 224
 225 void wxEditableListBox::OnEndLabelEdit(wxListEvent& event)
 226 {
 227     if (m_edittingNew)
 228     {
 229         m_edittingNew = FALSE;
 230         if (!event.GetText().IsEmpty())
 231             m_listCtrl->InsertItem(m_listCtrl->GetItemCount(), _T(""));
 232     }
 233 }
 234
 235 void wxEditableListBox::OnDelItem(wxCommandEvent& event)
 236 {
 237     m_listCtrl->DeleteItem(m_selection);
 238     m_listCtrl->SetItemState(m_selection,
 239                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 240 }
 241
 242 void wxEditableListBox::OnEditItem(wxCommandEvent& event)
 243 {
 244     m_listCtrl->EditLabel(m_selection);
 245 }
 246
 247 void wxEditableListBox::OnUpItem(wxCommandEvent& event)
 248 {
 249     wxString t1, t2;
 250
 251     t1 = m_listCtrl->GetItemText(m_selection - 1);
 252     t2 = m_listCtrl->GetItemText(m_selection);
 253     m_listCtrl->SetItemText(m_selection - 1, t2);
 254     m_listCtrl->SetItemText(m_selection, t1);
 255     m_listCtrl->SetItemState(m_selection - 1,
 256                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 257 }
 258
 259 void wxEditableListBox::OnDownItem(wxCommandEvent& event)
 260 {
 261     wxString t1, t2;
 262
 263     t1 = m_listCtrl->GetItemText(m_selection + 1);
 264     t2 = m_listCtrl->GetItemText(m_selection);
 265     m_listCtrl->SetItemText(m_selection + 1, t2);
 266     m_listCtrl->SetItemText(m_selection, t1);
 267     m_listCtrl->SetItemState(m_selection + 1,
 268                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 269 }