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::GetSystemMetric(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     }
  69 };
  70
  71 BEGIN_EVENT_TABLE(CleverListCtrl, wxListCtrl)
  72    EVT_SIZE(CleverListCtrl::OnSize)
  73 END_EVENT_TABLE()
  74
  75
  76 #include "eldel.xpm"
  77 #include "eldown.xpm"
  78 #include "eledit.xpm"
  79 #include "elnew.xpm"
  80 #include "elup.xpm"
  81
  82 IMPLEMENT_CLASS(wxEditableListBox, wxPanel)
  83
  84 enum
  85 {
  86     // ID value doesn't matter, it won't propagate out of wxEditableListBox
  87     // instance
  88     wxID_ELB_DELETE = wxID_HIGHEST + 1,
  89     wxID_ELB_NEW,
  90     wxID_ELB_UP,
  91     wxID_ELB_DOWN,
  92     wxID_ELB_EDIT,
  93     wxID_ELD_LISTCTRL
  94 };
  95
  96 BEGIN_EVENT_TABLE(wxEditableListBox, wxPanel)
  97     EVT_LIST_ITEM_SELECTED(wxID_ELD_LISTCTRL, wxEditableListBox::OnItemSelected)
  98     EVT_LIST_END_LABEL_EDIT(wxID_ELD_LISTCTRL, wxEditableListBox::OnEndLabelEdit)
  99     EVT_BUTTON(wxID_ELB_NEW, wxEditableListBox::OnNewItem)
 100     EVT_BUTTON(wxID_ELB_UP, wxEditableListBox::OnUpItem)
 101     EVT_BUTTON(wxID_ELB_DOWN, wxEditableListBox::OnDownItem)
 102     EVT_BUTTON(wxID_ELB_EDIT, wxEditableListBox::OnEditItem)
 103     EVT_BUTTON(wxID_ELB_DELETE, wxEditableListBox::OnDelItem)
 104 END_EVENT_TABLE()
 105
 106 wxEditableListBox::wxEditableListBox(wxWindow *parent, wxWindowID id,
 107                           const wxString& label,
 108                           const wxPoint& pos, const wxSize& size,
 109                           const wxString& name)
 110    : wxPanel(parent, id, pos, size, wxTAB_TRAVERSAL, name), m_edittingNew(FALSE)
 111 {
 112     wxSizer *sizer = new wxBoxSizer(wxVERTICAL);
 113
 114     wxPanel *subp = new wxPanel(this, -1, wxDefaultPosition, wxDefaultSize,
 115                                 wxSUNKEN_BORDER | wxTAB_TRAVERSAL);
 116     wxSizer *subsizer = new wxBoxSizer(wxHORIZONTAL);
 117     subsizer->Add(new wxStaticText(subp, -1, label), 1, wxALIGN_CENTRE_VERTICAL | wxLEFT, 4);
 118     m_bEdit = new wxBitmapButton(subp, wxID_ELB_EDIT, wxBitmap(eledit_xpm));
 119     m_bNew = new wxBitmapButton(subp, wxID_ELB_NEW, wxBitmap(elnew_xpm));
 120     m_bDel = new wxBitmapButton(subp, wxID_ELB_DELETE, wxBitmap(eldel_xpm));
 121     m_bUp = new wxBitmapButton(subp, wxID_ELB_UP, wxBitmap(elup_xpm));
 122     m_bDown = new wxBitmapButton(subp, wxID_ELB_DOWN, wxBitmap(eldown_xpm));
 123     subsizer->Add(m_bEdit, 0, wxALIGN_CENTRE_VERTICAL);
 124     subsizer->Add(m_bNew, 0, wxALIGN_CENTRE_VERTICAL);
 125     subsizer->Add(m_bDel, 0, wxALIGN_CENTRE_VERTICAL);
 126     subsizer->Add(m_bUp, 0, wxALIGN_CENTRE_VERTICAL);
 127     subsizer->Add(m_bDown, 0, wxALIGN_CENTRE_VERTICAL);
 128
 129     subp->SetAutoLayout(TRUE);
 130     subp->SetSizer(subsizer);
 131     subsizer->Fit(subp);
 132
 133     sizer->Add(subp, 0, wxEXPAND);
 134     m_listCtrl = new CleverListCtrl(this, wxID_ELD_LISTCTRL,
 135                                     wxDefaultPosition, wxDefaultSize,
 136                                     wxLC_REPORT | wxLC_NO_HEADER |
 137                                     wxLC_SINGLE_SEL | wxSUNKEN_BORDER |
 138                                                                         wxLC_EDIT_LABELS);
 139     wxArrayString empty_ar;
 140     SetStrings(empty_ar);
 141
 142     sizer->Add(m_listCtrl, 1, wxEXPAND);
 143
 144     SetAutoLayout(TRUE);
 145     SetSizer(sizer);
 146         Layout();
 147 }
 148
 149 void wxEditableListBox::SetStrings(const wxArrayString& strings)
 150 {
 151     m_listCtrl->DeleteAllItems();
 152     size_t i;
 153
 154     for (i = 0; i < strings.GetCount(); i++)
 155         m_listCtrl->InsertItem(i, strings[i]);
 156
 157     m_listCtrl->InsertItem(strings.GetCount(), _T(""));
 158     m_listCtrl->SetItemState(0, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 159 }
 160
 161 void wxEditableListBox::GetStrings(wxArrayString& strings)
 162 {
 163     strings.Clear();
 164
 165     for (int i = 0; i < m_listCtrl->GetItemCount()-1; i++)
 166         strings.Add(m_listCtrl->GetItemText(i));
 167 }
 168
 169 void wxEditableListBox::OnItemSelected(wxListEvent& event)
 170 {
 171     m_selection = event.GetIndex();
 172     m_bUp->Enable(m_selection != 0 && m_selection < m_listCtrl->GetItemCount()-1);
 173     m_bDown->Enable(m_selection < m_listCtrl->GetItemCount()-2);
 174     m_bEdit->Enable(m_selection < m_listCtrl->GetItemCount()-1);
 175     m_bDel->Enable(m_selection < m_listCtrl->GetItemCount()-1);
 176 }
 177
 178 void wxEditableListBox::OnNewItem(wxCommandEvent& event)
 179 {
 180     m_listCtrl->SetItemState(m_listCtrl->GetItemCount()-1,
 181                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 182     m_edittingNew = TRUE;
 183     m_listCtrl->EditLabel(m_selection);
 184 }
 185
 186 void wxEditableListBox::OnEndLabelEdit(wxListEvent& event)
 187 {
 188     if (m_edittingNew)
 189     {
 190         m_edittingNew = FALSE;
 191         if (!event.GetText().IsEmpty())
 192             m_listCtrl->InsertItem(m_listCtrl->GetItemCount(), _T(""));
 193     }
 194 }
 195
 196 void wxEditableListBox::OnDelItem(wxCommandEvent& event)
 197 {
 198     m_listCtrl->DeleteItem(m_selection);
 199     m_listCtrl->SetItemState(m_selection,
 200                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 201 }
 202
 203 void wxEditableListBox::OnEditItem(wxCommandEvent& event)
 204 {
 205     m_listCtrl->EditLabel(m_selection);
 206 }
 207
 208 void wxEditableListBox::OnUpItem(wxCommandEvent& event)
 209 {
 210     wxString t1, t2;
 211
 212     t1 = m_listCtrl->GetItemText(m_selection - 1);
 213     t2 = m_listCtrl->GetItemText(m_selection);
 214     m_listCtrl->SetItemText(m_selection - 1, t2);
 215     m_listCtrl->SetItemText(m_selection, t1);
 216     m_listCtrl->SetItemState(m_selection - 1,
 217                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 218 }
 219
 220 void wxEditableListBox::OnDownItem(wxCommandEvent& event)
 221 {
 222     wxString t1, t2;
 223
 224     t1 = m_listCtrl->GetItemText(m_selection + 1);
 225     t2 = m_listCtrl->GetItemText(m_selection);
 226     m_listCtrl->SetItemText(m_selection + 1, t2);
 227     m_listCtrl->SetItemText(m_selection, t1);
 228     m_listCtrl->SetItemState(m_selection + 1,
 229                              wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 230 }