403 lines
12 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: src/generic/editlbox.cpp
// Purpose: ListBox with editable items
// Author: Vaclav Slavik
// Copyright: (c) Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_EDITABLELISTBOX
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWidgets headers)
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/editlbox.h"
#include "wx/sizer.h"
#include "wx/listctrl.h"
// ============================================================================
// implementation
// ============================================================================
const char wxEditableListBoxNameStr[] = "editableListBox";
static const char* const eledit_xpm[] = {
"16 16 3 1",
" c None",
". c #000000",
"+ c #00007F",
" ",
" ",
" .. .. ",
" . ",
" . ",
" ++++ . ++++ ",
" ++ . ++ ++",
" +++++ . ++++++",
" ++ ++ . ++ ",
" ++ ++ . ++ ++",
" +++++ . ++++ ",
" . ",
" . ",
" .. .. ",
" ",
" "};
static const char* const elnew_xpm[] = {
"16 16 5 1",
" c None",
". c #7F7F7F",
"+ c #FFFFFF",
"@ c #FFFF00",
"# c #000000",
" ",
" ",
" . .+ .@ ",
" . .@.@# # # ",
" @.@+.... # ",
" ... @@ ",
" @ . @. # ",
" .# .@ ",
" . # ",
" # ",
" # ",
" # ",
" # ",
" # # # # # # ",
" ",
" "};
static const char* const eldel_xpm[] = {
"16 16 3 1",
" c None",
". c #7F0000",
"+ c #FFFFFF",
" ",
" ",
" ",
" ..+ ..+ ",
" ....+ ..+ ",
" ....+ ..+ ",
" ...+ .+ ",
" .....+ ",
" ...+ ",
" .....+ ",
" ...+ ..+ ",
" ...+ ..+ ",
" ...+ .+ ",
" ...+ .+ ",
" . . ",
" "};
static const char* const eldown_xpm[] = {
"16 16 2 1",
" c None",
". c #000000",
" ",
" ",
" ... ",
" ... ",
" ... ",
" ... ",
" ... ",
" ... ",
" ........... ",
" ......... ",
" ....... ",
" ..... ",
" ... ",
" . ",
" ",
" "};
static const char* const elup_xpm[] = {
"16 16 2 1",
" c None",
". c #000000",
" ",
" . ",
" ... ",
" ..... ",
" ....... ",
" ......... ",
" ........... ",
" ... ",
" ... ",
" ... ",
" ... ",
" ... ",
" ... ",
" ",
" ",
" "};
// list control with auto-resizable column:
class CleverListCtrl : public wxListCtrl
{
public:
CleverListCtrl(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint &pos = wxDefaultPosition,
const wxSize &size = wxDefaultSize,
long style = wxLC_ICON,
const wxValidator& validator = wxDefaultValidator,
const wxString &name = wxListCtrlNameStr)
: wxListCtrl(parent, id, pos, size, style, validator, name)
{
CreateColumns();
}
void CreateColumns()
{
InsertColumn(0, wxT("item"));
SizeColumns();
}
void SizeColumns()
{
int w = GetSize().x;
#ifdef __WXMSW__
w -= wxSystemSettings::GetMetric(wxSYS_VSCROLL_X) + 6;
#else
w -= 2*wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
#endif
if (w < 0) w = 0;
SetColumnWidth(0, w);
}
private:
DECLARE_EVENT_TABLE()
void OnSize(wxSizeEvent& event)
{
SizeColumns();
event.Skip();
}
};
BEGIN_EVENT_TABLE(CleverListCtrl, wxListCtrl)
EVT_SIZE(CleverListCtrl::OnSize)
END_EVENT_TABLE()
// ----------------------------------------------------------------------------
// wxEditableListBox
// ----------------------------------------------------------------------------
IMPLEMENT_CLASS(wxEditableListBox, wxPanel)
// NB: generate the IDs at runtime to avoid conflict with XRCID values,
// they could cause XRCCTRL() failures in XRC-based dialogs
const wxWindowIDRef wxID_ELB_DELETE = wxWindow::NewControlId();
const wxWindowIDRef wxID_ELB_EDIT = wxWindow::NewControlId();
const wxWindowIDRef wxID_ELB_NEW = wxWindow::NewControlId();
const wxWindowIDRef wxID_ELB_UP = wxWindow::NewControlId();
const wxWindowIDRef wxID_ELB_DOWN = wxWindow::NewControlId();
const wxWindowIDRef wxID_ELB_LISTCTRL = wxWindow::NewControlId();
BEGIN_EVENT_TABLE(wxEditableListBox, wxPanel)
EVT_LIST_ITEM_SELECTED(wxID_ELB_LISTCTRL, wxEditableListBox::OnItemSelected)
EVT_LIST_END_LABEL_EDIT(wxID_ELB_LISTCTRL, wxEditableListBox::OnEndLabelEdit)
EVT_BUTTON(wxID_ELB_NEW, wxEditableListBox::OnNewItem)
EVT_BUTTON(wxID_ELB_UP, wxEditableListBox::OnUpItem)
EVT_BUTTON(wxID_ELB_DOWN, wxEditableListBox::OnDownItem)
EVT_BUTTON(wxID_ELB_EDIT, wxEditableListBox::OnEditItem)
EVT_BUTTON(wxID_ELB_DELETE, wxEditableListBox::OnDelItem)
END_EVENT_TABLE()
bool wxEditableListBox::Create(wxWindow *parent, wxWindowID id,
const wxString& label,
const wxPoint& pos, const wxSize& size,
long style,
const wxString& name)
{
if (!wxPanel::Create(parent, id, pos, size, wxTAB_TRAVERSAL, name))
return false;
m_style = style;
wxSizer *sizer = new wxBoxSizer(wxVERTICAL);
wxPanel *subp = new wxPanel(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
wxSUNKEN_BORDER | wxTAB_TRAVERSAL);
wxSizer *subsizer = new wxBoxSizer(wxHORIZONTAL);
subsizer->Add(new wxStaticText(subp, wxID_ANY, label), 1, wxALIGN_CENTRE_VERTICAL | wxLEFT, 4);
#ifdef __WXMSW__
#define BTN_BORDER 4
// FIXME - why is this needed? There's some reason why sunken border is
// ignored by sizers in wxMSW but not in wxGTK that I can't
// figure out...
#else
#define BTN_BORDER 0
#endif
if ( m_style & wxEL_ALLOW_EDIT )
{
m_bEdit = new wxBitmapButton(subp, wxID_ELB_EDIT, wxBitmap(eledit_xpm));
subsizer->Add(m_bEdit, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
}
if ( m_style & wxEL_ALLOW_NEW )
{
m_bNew = new wxBitmapButton(subp, wxID_ELB_NEW, wxBitmap(elnew_xpm));
subsizer->Add(m_bNew, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
}
if ( m_style & wxEL_ALLOW_DELETE )
{
m_bDel = new wxBitmapButton(subp, wxID_ELB_DELETE, wxBitmap(eldel_xpm));
subsizer->Add(m_bDel, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
}
if (!(m_style & wxEL_NO_REORDER))
{
m_bUp = new wxBitmapButton(subp, wxID_ELB_UP, wxBitmap(elup_xpm));
subsizer->Add(m_bUp, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
m_bDown = new wxBitmapButton(subp, wxID_ELB_DOWN, wxBitmap(eldown_xpm));
subsizer->Add(m_bDown, 0, wxALIGN_CENTRE_VERTICAL | wxTOP | wxBOTTOM, BTN_BORDER);
}
#if wxUSE_TOOLTIPS
if ( m_bEdit ) m_bEdit->SetToolTip(_("Edit item"));
if ( m_bNew ) m_bNew->SetToolTip(_("New item"));
if ( m_bDel ) m_bDel->SetToolTip(_("Delete item"));
if ( m_bUp ) m_bUp->SetToolTip(_("Move up"));
if ( m_bDown ) m_bDown->SetToolTip(_("Move down"));
#endif
subp->SetSizer(subsizer);
subsizer->Fit(subp);
sizer->Add(subp, 0, wxEXPAND);
long st = wxLC_REPORT | wxLC_NO_HEADER | wxLC_SINGLE_SEL | wxSUNKEN_BORDER;
if ( style & wxEL_ALLOW_EDIT )
st |= wxLC_EDIT_LABELS;
m_listCtrl = new CleverListCtrl(this, wxID_ELB_LISTCTRL,
wxDefaultPosition, wxDefaultSize, st);
wxArrayString empty_ar;
SetStrings(empty_ar);
sizer->Add(m_listCtrl, 1, wxEXPAND);
SetSizer(sizer);
Layout();
return true;
}
void wxEditableListBox::SetStrings(const wxArrayString& strings)
{
m_listCtrl->DeleteAllItems();
size_t i;
for (i = 0; i < strings.GetCount(); i++)
m_listCtrl->InsertItem(i, strings[i]);
m_listCtrl->InsertItem(strings.GetCount(), wxEmptyString);
m_listCtrl->SetItemState(0, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
}
void wxEditableListBox::GetStrings(wxArrayString& strings) const
{
strings.Clear();
for (int i = 0; i < m_listCtrl->GetItemCount()-1; i++)
strings.Add(m_listCtrl->GetItemText(i));
}
void wxEditableListBox::OnItemSelected(wxListEvent& event)
{
m_selection = event.GetIndex();
if (!(m_style & wxEL_NO_REORDER))
{
m_bUp->Enable(m_selection != 0 && m_selection < m_listCtrl->GetItemCount()-1);
m_bDown->Enable(m_selection < m_listCtrl->GetItemCount()-2);
}
if (m_style & wxEL_ALLOW_EDIT)
m_bEdit->Enable(m_selection < m_listCtrl->GetItemCount()-1);
if (m_style & wxEL_ALLOW_DELETE)
m_bDel->Enable(m_selection < m_listCtrl->GetItemCount()-1);
}
void wxEditableListBox::OnNewItem(wxCommandEvent& WXUNUSED(event))
{
m_listCtrl->SetItemState(m_listCtrl->GetItemCount()-1,
wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
m_listCtrl->EditLabel(m_selection);
}
void wxEditableListBox::OnEndLabelEdit(wxListEvent& event)
{
if ( event.GetIndex() == m_listCtrl->GetItemCount()-1 &&
!event.GetText().empty() )
{
// The user edited last (empty) line, i.e. added new entry. We have to
// add new empty line here so that adding one more line is still
// possible:
m_listCtrl->InsertItem(m_listCtrl->GetItemCount(), wxEmptyString);
// Simulate a wxEVT_LIST_ITEM_SELECTED event for the new item,
// so that the buttons are enabled/disabled properly
wxListEvent selectionEvent(wxEVT_LIST_ITEM_SELECTED, m_listCtrl->GetId());
selectionEvent.m_itemIndex = event.GetIndex();
m_listCtrl->GetEventHandler()->ProcessEvent(selectionEvent);
}
}
void wxEditableListBox::OnDelItem(wxCommandEvent& WXUNUSED(event))
{
m_listCtrl->DeleteItem(m_selection);
m_listCtrl->SetItemState(m_selection,
wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
}
void wxEditableListBox::OnEditItem(wxCommandEvent& WXUNUSED(event))
{
m_listCtrl->EditLabel(m_selection);
}
void wxEditableListBox::SwapItems(long i1, long i2)
{
// swap the text
wxString t1 = m_listCtrl->GetItemText(i1);
wxString t2 = m_listCtrl->GetItemText(i2);
m_listCtrl->SetItemText(i1, t2);
m_listCtrl->SetItemText(i2, t1);
// swap the item data
wxUIntPtr d1 = m_listCtrl->GetItemData(i1);
wxUIntPtr d2 = m_listCtrl->GetItemData(i2);
m_listCtrl->SetItemPtrData(i1, d2);
m_listCtrl->SetItemPtrData(i2, d1);
}
void wxEditableListBox::OnUpItem(wxCommandEvent& WXUNUSED(event))
{
SwapItems(m_selection - 1, m_selection);
m_listCtrl->SetItemState(m_selection - 1,
wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
}
void wxEditableListBox::OnDownItem(wxCommandEvent& WXUNUSED(event))
{
SwapItems(m_selection + 1, m_selection);
m_listCtrl->SetItemState(m_selection + 1,
wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
}
#endif // wxUSE_EDITABLELISTBOX