configitem.cpp

ecos实时嵌入式操作系统

                        wxArrayString arEnum;
                        EvalEnumStrings (arEnum); // calculate legal values just in time
                        if (0 == arEnum.GetCount()) // if no legal values...
                            break;           // ...do nothing
                        int nIndex = -1;
                        const wxString strCurrent = StringValue ();
                        int nEnum;
                        for (nEnum = 0; (nEnum < arEnum.GetCount()) && (nIndex == -1); nEnum++)
                            if (0 == arEnum[nEnum].CompareTo (strCurrent))
                                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.GetCount()-1; // make it positive

                            wxGetApp().GetConfigToolDoc()->SetValue(*this, arEnum[nIndex % arEnum.GetCount()]);
                            break;
                    }
                default:
                    {
                        break;
                    }
                }
            }
            break;   
        }
    default:
        {
            break;
        }
    }

}

// Gets the value to display (often an empty string)
wxString ecConfigItem::GetDisplayValue() const
{
    wxString str;
    switch(GetOptionType())
    {
    case ecEnumerated:
    case ecLong:
    case ecDouble:
    case ecString:
        {
            if (GetCdlValuable())
                str = StringValue();
        }
        break;
    default:
        break;
    }
    return str;
#if 0
    switch (GetConfigType())
    {
        case ecComponent:
        case ecContainer:
            {
                return wxEmptyString;
                break;
            }
        case ecPackage:
            {
                return m_value.GetString();
                break;
            }
        case ecOption:
            {
                switch (GetOptionType())
                {
                    case ecDouble:
                        {
                            wxString val;
                            val.Printf("%.4lf", (double) m_value.GetDouble());
                            return val;
                        }
                    case ecLong:
                        {
                            wxString val;
                            val.Printf("%.ld", (long) m_value.GetLong());
                            return val;
                            break;
                        }
                    case ecEnumerated:
                    case ecString:
                        {
                            return m_value.GetString();
                            break;
                        }
                    case ecBool:
                        {
                            return wxEmptyString;
                            break;
                        }
                    default:
                        {
                            break;
                        }
                }
                break;
            }
        default:
            {
                break;
            }
    }

    return wxEmptyString;
#endif
}

// Can we start editing this item?
bool ecConfigItem::CanEdit() const
{
    if (!GetActive())
        return FALSE;

    if (GetConfigType() != ecOption)
        return FALSE;

    if (GetOptionFlavor() != ecFlavorData && GetOptionFlavor() != ecFlavorBoolData)
        return FALSE;

    // TODO: other criteria for editability
    return TRUE;
}


// Creates an edit window. It will be positioned by the caller.
wxWindow* ecConfigItem::CreateEditWindow(wxWindow* parent)
{
    wxWindow* window = NULL;

    switch(GetOptionType())
    {
    case ecEnumerated:
        {
            window = new ecEnumEditorCtrl(parent, ecID_ITEM_EDIT_WINDOW, wxDefaultPosition, wxDefaultSize,
                /* wxNO_BORDER */ 0);
            wxArrayString arEnumStrings;
            EvalEnumStrings(arEnumStrings);
            int i;
            for (i = 0; i < arEnumStrings.GetCount(); i++)
            {
                ((ecEnumEditorCtrl*) window)->Append(arEnumStrings[i]);
            }
            break;
        }
    case ecLong:
        {
            window = new ecIntegerEditorCtrl(parent, ecID_ITEM_EDIT_WINDOW, wxDefaultPosition, wxDefaultSize,
                /* wxNO_BORDER | */ wxSP_ARROW_KEYS);
            break;
        }
    case ecDouble:
        {
            window = new ecDoubleEditorCtrl(parent, ecID_ITEM_EDIT_WINDOW, wxDefaultPosition, wxDefaultSize,
                /* wxNO_BORDER|*/ wxTE_PROCESS_ENTER);
            break;
        }
    case ecString:
        {
            window = new ecTextEditorCtrl(parent, ecID_ITEM_EDIT_WINDOW, wxDefaultPosition, wxDefaultSize,
                /* wxNO_BORDER|*/ wxTE_PROCESS_ENTER);
            break;
        }
    default:
        break;
    }

    wxASSERT (window != NULL) ;
    
    return window;
}
    
// Transfers data between item and window
bool ecConfigItem::TransferDataToWindow(wxWindow* window)
{
    if (window->IsKindOf(CLASSINFO(ecTextEditorCtrl)))
    {
        ecTextEditorCtrl* win = (ecTextEditorCtrl*) window;
        win->SetValue(GetDisplayValue());
    }
    else if (window->IsKindOf(CLASSINFO(ecDoubleEditorCtrl)))
    {
        ecDoubleEditorCtrl* win = (ecDoubleEditorCtrl*) window;
        win->SetValue(GetDisplayValue());
    }
    else if (window->IsKindOf(CLASSINFO(ecEnumEditorCtrl)))
    {
        ecEnumEditorCtrl* win = (ecEnumEditorCtrl*) window;
        win->SetStringSelection(GetDisplayValue());
    }
    else if (window->IsKindOf(CLASSINFO(ecIntegerEditorCtrl)))
    {
        ecIntegerEditorCtrl* win = (ecIntegerEditorCtrl*) window;
        long i;
        ecUtils::StrToItemIntegerType(StringValue(), i);

        wxString val;
        val.Printf(wxT("%ld"), i);

        win->SetValue(val);
    }
    return TRUE;
}

bool ecConfigItem::TransferDataFromWindow(wxWindow* window)
{
    ecConfigToolDoc* doc = wxGetApp().GetConfigToolDoc();
    wxASSERT (doc != NULL);

    if (!doc)
        return FALSE;

    if (window->IsKindOf(CLASSINFO(ecTextEditorCtrl)))
    {
        ecTextEditorCtrl* win = (ecTextEditorCtrl*) window;

        wxASSERT ( GetOptionType() == ecString );

        // TODO: do checking
        doc->SetValue(*this, win->GetValue());
    }
    else if (window->IsKindOf(CLASSINFO(ecDoubleEditorCtrl)))
    {
        ecDoubleEditorCtrl* win = (ecDoubleEditorCtrl*) window;

        wxASSERT ( GetOptionType() == ecString );

        // TODO: do checking
        doc->SetValue(*this, atof(win->GetValue()));
    }
    else if (window->IsKindOf(CLASSINFO(ecEnumEditorCtrl)))
    {
        ecEnumEditorCtrl* win = (ecEnumEditorCtrl*) window;

        wxASSERT ( GetOptionType() == ecEnumerated );

        // TODO: do checking
        doc->SetValue(*this, win->GetStringSelection());
    }
    else if (window->IsKindOf(CLASSINFO(ecIntegerEditorCtrl)))
    {
        ecIntegerEditorCtrl* win = (ecIntegerEditorCtrl*) window;

        wxASSERT ( GetOptionType() == ecLong );

        // TODO: do checking
        doc->SetValue(*this, (long) win->GetValue());
    }

    return TRUE;
}

//// Taken from MFC version

const ecFileName ecConfigItem::GetFilename() const
{
    wxString sep(wxFILE_SEP_PATH);

    ecFileName strFile;
    const CdlNode node = dynamic_cast<CdlNode> (m_CdlItem);
    if (node){
        // get the package which owns the configuration item
        const CdlPackage package = GetOwnerPackage();
        if (package){
            
            // return the filename of the config header
            wxString pkg(wxT("include"));
            pkg += sep;
            pkg += wxT("pkgconf");
            strFile=ecFileName(wxGetApp().GetConfigToolDoc()->GetInstallTree()+sep+pkg) + package->get_config_header ().c_str ();
        }
    }
    return strFile;
}

// Change version (of a package)
bool ecConfigItem::ChangeVersion(const wxString &strVersion)
{
    bool rc=FALSE;
    CdlPackage package=dynamic_cast<CdlPackage>(GetCdlItem());
    wxASSERT(package != 0);
    const CdlValuable valuable = GetCdlValuable();
    wxASSERT (valuable != 0);
    const wxString strMacroName(GetMacro());
    if (strVersion != valuable->get_value ().c_str ()) { // if the wrong version is loaded
        // TRACE (wxT("Changing package %s to version '%s'\n"), strMacroName, strVersion);
        try {
            wxGetApp().GetConfigToolDoc()->GetCdlConfig()->change_package_version (package, ecUtils::UnicodeToStdStr (strVersion), ecConfigToolDoc::CdlParseErrorHandler, ecConfigToolDoc::CdlParseWarningHandler);
            rc=TRUE;
        }
        catch (CdlStringException exception) {
            wxString msg;
            msg.Printf(wxT("Error changing package %s to version '%s':\n\n%s"), (const wxChar*) strMacroName, (const wxChar*) strVersion, (const wxChar*) wxString (exception.get_message ().c_str ())) ;
            wxMessageBox(msg);
        }
        catch (...) {
            wxString msg;
            msg.Printf(wxT("Error changing package %s to version '%s'"), (const wxChar*) strMacroName, (const wxChar*) strVersion) ;
            wxMessageBox(msg);
        }
    }
    return rc;
}

// Unload (a package)
bool ecConfigItem::Unload()
{
    bool rc=FALSE;
    CdlPackage package=dynamic_cast<CdlPackage>(GetCdlItem());
    wxASSERT(package);
    ecConfigToolDoc* pDoc=wxGetApp().GetConfigToolDoc();

    // Remove its objects from the view to prevent any painting problems
    ecTreeItemData* data = (ecTreeItemData*) wxGetApp().GetTreeCtrl()->GetItemData(GetTreeItem());
    wxASSERT(data);

    // I _think_ we should do this to stop 'this' from being deleted when we delete the item.
    // But, in that case, where do we delete this item?
    // Perhaps should store them in an array in the document, as per the MFC tool.
    data->SetConfigItem(NULL);

    wxGetApp().GetTreeCtrl()->Delete(GetTreeItem());

    wxNode* node = pDoc->GetItems().First();
    while (node)
    {
        ecConfigItem* item = wxDynamicCast(node->Data(), ecConfigItem);
        if (package == item->GetOwnerPackage())
        {
            item->SetTreeItem(wxTreeItemId()); // Make sure we can't attempt to paint it
            item->SetCdlItem(NULL); // Make sure we can't access stale data
        }
        node = node->Next();
    }

    const wxString strMacroName(GetMacro());
    //TRACE (wxT("Unloading package %s\n"), strMacroName);
    try {
        pDoc->GetCdlConfig()->unload_package (package);
        rc=TRUE;
    }
    catch (CdlStringException exception) {
        wxString msg;
        wxString exceptionMsg(exception.get_message ().c_str ());
        msg.Printf(wxT("Error unloading package %s:\n\n%s"), (const wxChar*) strMacroName, (const wxChar*) exceptionMsg );
        wxMessageBox(msg);
    }
    catch (...) {
        wxString msg;
        msg.Printf(wxT("Error unloading package %s"), (const wxChar*) strMacroName);
        wxMessageBox(msg);
    }
    m_treeItem=wxTreeItemId();   // Make sure we can't attempt to paint it
    m_CdlItem=NULL; // Make sure we can't access stale data
    return rc;
}

wxString ecConfigItem::GetURL() const
{
    for(const ecConfigItem *pItem=this;pItem;pItem=pItem->GetParent()){
        if(pItem->GetCdlItem()){
            wxString strURL;
            strURL=pItem->GetCdlItem()->get_doc_url().c_str();
            if(strURL.Len()){
                return strURL;
            }
            strURL=pItem->GetCdlItem()->get_doc().c_str();
            if(strURL.Len()){
                return strURL;
            }
        }
    }