configitem.cpp

ecos实时嵌入式操作系统

    default:
        wxASSERT(FALSE);
        break;
    }
    return str;
}    

int ecConfigItem::EvalEnumStrings (wxArrayString &arEnumStrings) const
{
    const CdlValuable valuable = GetCdlValuable();
    wxASSERT (valuable);
    /*
    if (m_Type == Boolean)
    {
    arEnumStrings.SetSize (2);
    arEnumStrings.SetAt (0, wxT("True"));
    arEnumStrings.SetAt (1, wxT("False"));
    }
    else
    */
    {
        wxASSERT (m_optionType == ecEnumerated);
        CdlListValue list_value;
        CdlEvalContext context (NULL, m_CdlItem, m_CdlItem->get_property (CdlPropertyId_LegalValues));
        valuable->get_legal_values ()->eval (context, list_value);
        const std::vector<CdlSimpleValue> & table = list_value.get_table ();
        
        // add legal values to the list
        for (unsigned int nValue = 0; nValue < table.size (); nValue++)
        {
            arEnumStrings.Add (table [nValue].get_value ().c_str ());
        }
    }
    return arEnumStrings.GetCount();
}

static const wxChar* gs_whereTypes[] = 
{
        _("Macro names"), 
        _("Item names"), 
        _("Short descriptions"), 
        _("Current Values"), 
        _("Default Values")
};

// Convert a string representation of 'where' (e.g. "Macro names") to
// ecWhereType
ecWhereType ecConfigItem::WhereStringToType(const wxString& whereString)
{
    int sz = 5;
    int i;
    for (i = 0; i < sz; i++)
        if (whereString == gs_whereTypes[i])
            return (ecWhereType) i;

    wxASSERT( FALSE );

    return (ecWhereType) 0;
}

// Convert a type representation of 'where' to a string
wxString ecConfigItem::WhereTypeToString(ecWhereType whereType)
{
    return gs_whereTypes[(size_t) whereType] ;
}

// Bump by specified amount, or toggle if a boolean value
bool ecConfigItem::BumpItem(int nInc)
{
    bool rc = FALSE;
    
    // Take an action for clicking on the icon
    ecConfigToolDoc* pDoc = wxGetApp().GetConfigToolDoc();
    
    // do not modify the option value if it is inactive or not modifiable
    const CdlValuable valuable = GetCdlValuable();
    if (!valuable || (valuable->is_modifiable () && valuable->is_active ()))
    {
        if (0 == nInc) // if a toggle request
        {
            if (HasBool () && ! (HasRadio () && IsEnabled ())) { // only enable (not disable) a radio button
                rc = pDoc->SetEnabled (*this, ! this->IsEnabled ()); // toggle enabled/disabled state
            }
        } else if (IsEnabled ()) { // the item is enabled...
            switch(GetOptionType())
            {
            case ecOptionTypeNone:
            case ecString:
            case ecDouble:
                break;
            case ecEnumerated:
                {
                    wxArrayString arEnum;
                    EvalEnumStrings (arEnum); // calculate legal values just in time
                    if (0==arEnum.Count()) // if no legal values...
                        break;           // ...do nothing
                    int nIndex = -1;
                    const wxString strCurrent = StringValue ();
                    int nEnum;
                    for (nEnum = 0; (nEnum < arEnum.Count()) && (nIndex == -1); nEnum++)
                        if (strCurrent == arEnum[nEnum])
                            nIndex = nEnum; // the index of the current value
                        
                        if (nIndex != -1) // if the current value is still legal
                            nIndex += (nInc < 0 ? -1 : 1); // increment/decrement the index
                        else
                            nIndex = 0; // otherwise select the first enum
                        
                        if (nIndex < 0) // if the new index is negative
                            nIndex = arEnum.Count()-1; // make it positive
                        
                        rc=pDoc->SetValue (*this, arEnum[nIndex % arEnum.Count()]);
                }
                break;
            case ecLong:
                {
                    // TODO: if we're editing, we should get the value in the edit item
                    // and not the ecConfigItem.
                    long nOldValue = Value();
                    if(nInc==1 && nOldValue==-1){
                        nOldValue=0;
                    } else if(nInc==-1 && nOldValue==0){
                        nOldValue=-1;
                    } else {
                        nOldValue+=nInc;
                    }
                    rc=pDoc->SetValue(*this, nOldValue);
                    break;
                }
                
                break;
                /*
                case CConfigItem::Boolean:
                
                  {
                  ItemIntegerType nOldValue=Value(h);
                  pDoc->SetValue(ti,nOldValue^1);
                  }
                  break;
                  case CConfigItem::Radio:
                  
                    if(0==Value(h)){
                    pDoc->SetValue(ti, (ItemIntegerType) 1);
                    }
                    break;
                */
            default:
                break;
            }
        }
    }
    return rc;
}

#if 0

/* Presumably we don't need this since we use the m_parent member instead
ecConfigItem *ecConfigItem::Parent() const 
{ 
    CTreeCtrl &tree=CConfigTool::GetControlView()->GetTreeCtrl();
    HTREEITEM hParent=tree.GetParentItem(HItem());
    return (NULL==hParent||TVI_ROOT==hParent)?NULL:(ecConfigItem *)tree.GetItemData(hParent);
}
*/

#endif

/*
 * ecTextEditorCtrl
 * A specialised wxTextCtrl, for editing config values
 */

BEGIN_EVENT_TABLE(ecTextEditorCtrl, wxTextCtrl)
    EVT_TEXT_ENTER(-1, ecTextEditorCtrl::OnEnter)
    EVT_KILL_FOCUS(ecTextEditorCtrl::OnKillFocus)
    EVT_LEFT_DCLICK(ecTextEditorCtrl::OnLeftDClick)
END_EVENT_TABLE()

IMPLEMENT_CLASS(ecTextEditorCtrl, wxTextCtrl)

ecTextEditorCtrl::ecTextEditorCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
                                   long style):
    wxTextCtrl(parent, id, wxEmptyString, pos, size, style)
{
}

void ecTextEditorCtrl::OnEnter(wxCommandEvent& event)
{
    ecValueWindow* parent = (ecValueWindow*) GetParent();
    parent->EndEditing();
}

void ecTextEditorCtrl::OnKillFocus(wxFocusEvent& event)
{
    ecValueWindow* parent = (ecValueWindow*) GetParent();
    parent->EndEditing();
}

// Edit the string in a separate dialog, for convenience
void ecTextEditorCtrl::OnLeftDClick(wxMouseEvent& event)
{
    ecValueWindow* parent = (ecValueWindow*) GetParent();
    ecConfigItem* item = parent->GetCurrentConfigItem();
    ecConfigToolDoc* doc = wxGetApp().GetConfigToolDoc();
    
    wxString initialValue(GetValue());
    
    ecEditStringDialog dialog(initialValue, wxGetApp().GetTopWindow(), ecID_EDIT_STRING_DIALOG);
    if (dialog.ShowModal() == wxID_OK)
    {
        wxString val = dialog.GetValue() ;
        // This control will have been deleted at this point, due to losing the focus.
        // So update the item, not the control.
        // wxTextCtrl::SetValue(val);
        doc->SetValue(*item, val);
    }   
}

/*
 * ecDoubleEditorCtrl
 * A specialised wxTextCtrl, for editing double config values
 */

BEGIN_EVENT_TABLE(ecDoubleEditorCtrl, wxTextCtrl)
    EVT_TEXT_ENTER(-1, ecDoubleEditorCtrl::OnEnter)
    EVT_KILL_FOCUS(ecDoubleEditorCtrl::OnKillFocus)
END_EVENT_TABLE()

IMPLEMENT_CLASS(ecDoubleEditorCtrl, wxTextCtrl)

ecDoubleEditorCtrl::ecDoubleEditorCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
                                   long style):
    wxTextCtrl(parent, id, wxEmptyString, pos, size, style)
{
}

void ecDoubleEditorCtrl::OnEnter(wxCommandEvent& event)
{
    ecValueWindow* parent = (ecValueWindow*) GetParent();
    parent->EndEditing();
}

void ecDoubleEditorCtrl::OnKillFocus(wxFocusEvent& event)
{
    ecValueWindow* parent = (ecValueWindow*) GetParent();
    parent->EndEditing();
}

/*
 * ecIntegerEditorCtrl
 * A specialised wxTextCtrl, for editing double config values
 */

BEGIN_EVENT_TABLE(ecIntegerEditorCtrl, wxSpinCtrl)
    EVT_TEXT_ENTER(-1, ecIntegerEditorCtrl::OnEnter)
    EVT_KILL_FOCUS(ecIntegerEditorCtrl::OnKillFocus)
END_EVENT_TABLE()

IMPLEMENT_CLASS(ecIntegerEditorCtrl, wxSpinCtrl)

ecIntegerEditorCtrl::ecIntegerEditorCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
                                   long style):
    wxSpinCtrl(parent, id, wxEmptyString, pos, size, style, -32000, 32000, 0)
{
}

void ecIntegerEditorCtrl::OnEnter(wxCommandEvent& event)
{
    ecValueWindow* parent = (ecValueWindow*) GetParent();
    parent->EndEditing();
}

void ecIntegerEditorCtrl::OnKillFocus(wxFocusEvent& event)
{
    ecValueWindow* parent = (ecValueWindow*) GetParent();
    parent->EndEditing();
}

/*
 * ecEnumEditorCtrl
 * A specialised wxChoice, for editing enumerated config values
 */

BEGIN_EVENT_TABLE(ecEnumEditorCtrl, wxChoice)
    EVT_CHAR(ecEnumEditorCtrl::OnChar)
    EVT_KILL_FOCUS(ecEnumEditorCtrl::OnKillFocus)
END_EVENT_TABLE()

IMPLEMENT_CLASS(ecEnumEditorCtrl, wxChoice)

ecEnumEditorCtrl::ecEnumEditorCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
                                   long style):
    wxChoice(parent, id, pos, size, 0, 0, style)
{
}

void ecEnumEditorCtrl::OnChar(wxKeyEvent& event)
{
    if (event.GetKeyCode() == WXK_RETURN)
    {
        ecValueWindow* parent = (ecValueWindow*) GetParent();
        parent->EndEditing();
    }
    else
        event.Skip();
}

void ecEnumEditorCtrl::OnKillFocus(wxFocusEvent& event)
{
    ecValueWindow* parent = (ecValueWindow*) GetParent();
    parent->EndEditing();
}

/*
 * ecEditStringDialog
 * Pops up to make it easier to edit large string values
 */

BEGIN_EVENT_TABLE(ecEditStringDialog, ecDialog)
    EVT_BUTTON(wxID_OK, ecEditStringDialog::OnOK)
END_EVENT_TABLE()

ecEditStringDialog::ecEditStringDialog(const wxString& initialValue, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
        long style)
{
    m_value = initialValue;
    //SetExtraStyle(wxDIALOG_EX_CONTEXTHELP);

    ecDialog::Create(parent, id, _("String Edit"),
        wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER);

    CreateControls(this);
    
    TransferDataToWindow();

    Centre(wxBOTH);
}

ecEditStringDialog::~ecEditStringDialog()
{
}

//// Event handlers

void ecEditStringDialog::OnOK(wxCommandEvent& event)
{
    wxDialog::OnOK(event);
}

//// Operations
void ecEditStringDialog::CreateControls(wxWindow* parent)
{
    wxSizer *item0 = new wxBoxSizer( wxVERTICAL );

    wxSizer *item1 = new wxBoxSizer( wxHORIZONTAL );

    item1->Add( 20, 20, 10, wxALIGN_CENTRE|wxALL, 5 );

    wxButton *item2 = new wxButton( parent, wxID_OK, _("&OK"), wxDefaultPosition, wxDefaultSize, 0 );
    item2->SetDefault();
    item1->Add( item2, 0, wxALIGN_CENTRE|wxALL, 5 );

    wxButton *item3 = new wxButton( parent, wxID_CANCEL, _("&Cancel"), wxDefaultPosition, wxDefaultSize, 0 );
    item1->Add( item3, 0, wxALIGN_CENTRE|wxALL, 5 );

    item0->Add( item1, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxTOP, 5 );

    wxTextCtrl *item4 = new wxTextCtrl( parent, ecID_STRING_EDIT_TEXTCTRL, _(""), wxDefaultPosition, wxSize(420,250), wxTE_MULTILINE );
    item0->Add( item4, 1, wxGROW|wxALIGN_CENTER_VERTICAL|wxLEFT|wxRIGHT|wxBOTTOM, 5 );

    parent->SetAutoLayout( TRUE );
    parent->SetSizer( item0 );
    parent->Layout();
    item0->Fit( parent );
    item0->SetSizeHints( parent );

    FindWindow(ecID_STRING_EDIT_TEXTCTRL)->SetValidator(wxGenericValidator(& m_value));
    FindWindow(ecID_STRING_EDIT_TEXTCTRL)->SetFocus();
}