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//####COPYRIGHTBEGIN####

//                                                                          

// ----------------------------------------------------------------------------

// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.

//

// This program is part of the eCos host tools.

//

// This program is free software; you can redistribute it and/or modify it 

// under the terms of the GNU General Public License as published by the Free 

// Software Foundation; either version 2 of the License, or (at your option) 

// any later version.

// 

// This program is distributed in the hope that it will be useful, but WITHOUT 

// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 

// more details.

// 

// You should have received a copy of the GNU General Public License along with

// this program; if not, write to the Free Software Foundation, Inc., 

// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

//

// ----------------------------------------------------------------------------

//                                                                          

//####COPYRIGHTEND####

//

//===========================================================================

//===========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):   sdf

// Contact(s):  sdf

// Date:                1998/08/11

// Version:             0.01

// Purpose:     

// Description: This is the implementation of the configuration item class

// Requires:    

// Provides:    

// See also:    

// Known bugs:  

// Usage:       

//

//####DESCRIPTIONEND####

//

//===========================================================================

#include "stdafx.h"

#include "ConfigItem.h"

#include "ControlView.h"

#include "CTUtils.h"

#ifdef PLUGIN

  #define INCLUDEFILE "ide.common.h" // for setEditLocation

  #include "IncludeSTL.h"

  #include "common/CodeCoordinate.h"

#endif

#include "ConfigToolDoc.h"

#include "ConfigTool.h"

LPCTSTR CConfigItem::TreeItemTypeImage[MaxTreeItemType + 1]={

  _T("None"), _T("Integer"), _T("Enumeration"), _T("String"), _T("Double"), 0}; // Internationalization OK

const CFileName CConfigItem::FileName() const

{

  CFileName 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

      strFile=CFileName(CConfigTool::GetConfigToolDoc()->InstallTree()+_T("include\\pkgconf"))+package->get_config_header ().c_str ();

    }

  }

  return strFile;

}

CConfigItem::CConfigItem(CConfigItem *pParent, CdlUserVisible CdlItem):

  m_CdlItem(CdlItem)

{

  CTreeCtrl &tree=CConfigTool::GetControlView()->GetTreeCtrl();

  HTREEITEM hParent;

  if(NULL==CdlItem){

    // This is the root item

    hParent=TVI_ROOT;

    m_Type=None;

  } else {

    hParent=pParent->HItem();

    // FIXME: re-implement using CdlValuableBody::get_widget_hint()

    if (IsPackage()) {

      // If a package item, display the package version string

      m_Type=String;

    } else {

      const CdlValuable valuable = dynamic_cast<CdlValuable> (CdlItem);

      switch (valuable->get_flavor ()){

        case CdlValueFlavor_None:

        case CdlValueFlavor_Bool:

          m_Type=None;

          break;

        case CdlValueFlavor_Data:

        case CdlValueFlavor_BoolData:

          if (! valuable->has_legal_values ()) {

            m_Type=String;

          } else if (0 == valuable->get_legal_values ()->ranges.size ()) {

            m_Type=Enum;

          } else {

            CdlListValue list_value;

            CdlEvalContext context (NULL, valuable, valuable->get_property (CdlPropertyId_LegalValues));

            valuable->get_legal_values ()->eval (context, list_value);

            m_Type=list_value.get_double_ranges ().size () ? Double : Integer;

          }

          break;

        default:

          ASSERT (0); // specified flavor not supported

          break;

      }

    }

  }

  m_hItem=tree.InsertItem(ItemNameOrMacro(),hParent);

  tree.SetItemData(m_hItem,(DWORD)this);

  CConfigTool::GetControlView()->AdjustItemImage(m_hItem);

}

CConfigItem::~CConfigItem()

{

}

CString CConfigItem::GetURL() const

{

  for(const CConfigItem *pItem=this;pItem;pItem=pItem->Parent()){

    if(pItem->GetCdlItem()){

      CString strURL;

      strURL=pItem->GetCdlItem()->get_doc_url().c_str();

      if(strURL.GetLength()){

        return strURL;

      }

      strURL=pItem->GetCdlItem()->get_doc().c_str();

      if(strURL.GetLength()){

        return strURL;

      }

    }

  }

  return _T("ref/ecos-ref.html"); // the default URL

}

bool CConfigItem::SetValue(LPCTSTR pszValue, CdlTransaction transaction/*=NULL*/)

{

  ASSERT ((m_Type == String) || (m_Type == Enum));

  const CdlValuable valuable = GetCdlValuable();

  ASSERT (valuable);

  const std::string str=CUtils::UnicodeToStdStr (pszValue);

  if(transaction){

    if (CdlValueFlavor_BoolData == valuable->get_flavor ()){

      // set the user bool to the current bool when changing a booldata

      // value to avoid a possible change in the current bool

      valuable->set_enabled_and_value (transaction, valuable->is_enabled (), str, CdlValueSource_User);

    } else {// CdlValueFlavor_Data

      valuable->set_value (transaction, str, CdlValueSource_User);

    }

  } else {

    if (CdlValueFlavor_BoolData == valuable->get_flavor ()){

      // set the user bool to the current bool when changing a booldata

      // value to avoid a possible change in the current bool

      valuable->set_enabled_and_value (valuable->is_enabled (), str, CdlValueSource_User);

    } else {// CdlValueFlavor_Data

      valuable->set_value (str, CdlValueSource_User);

    }

  }

  return true;

}

bool CConfigItem::SetValue (double dValue, CdlTransaction transaction/*=NULL*/)

{

  ASSERT (m_Type == Double);

  const CdlValuable valuable = GetCdlValuable();

  ASSERT (valuable);

  if(transaction) {

    if (CdlValueFlavor_BoolData == valuable->get_flavor ()) {

      // set the user bool to the current bool when changing a booldata

      // value to avoid a possible change in the current bool

      valuable->set_enabled_and_value (transaction, valuable->is_enabled (), dValue, CdlValueSource_User);

    } else {// CdlValueFlavor_Data

      valuable->set_double_value (transaction, dValue, CdlValueSource_User);

    }

  } else {

    if (CdlValueFlavor_BoolData == valuable->get_flavor ()) {

      // set the user bool to the current bool when changing a booldata

      // value to avoid a possible change in the current bool

      valuable->set_enabled_and_value (valuable->is_enabled (), dValue, CdlValueSource_User);

    } else {// CdlValueFlavor_Data

      valuable->set_double_value (dValue, CdlValueSource_User);

    }

  }

  return true;

}

CConfigItem *CConfigItem::FirstRadio() const

{

  ASSERT(HasRadio ());

  for(CConfigItem *h=Parent()->FirstChild();h;h=h->NextSibling()){

    if(h->HasRadio ()){

      return h;

    }

  }

  // No radio buttons found

  ASSERT(false);

  return false;

}

bool CConfigItem::IsEnabled() const

{

  const CdlValuable valuable = GetCdlValuable();

  return NULL==valuable ||valuable->is_enabled();

}

bool CConfigItem::SetValue (ItemIntegerType nValue, CdlTransaction transaction/*=NULL*/)

{

  ASSERT (m_Type == Integer);

  const CdlValuable valuable = GetCdlValuable();

  ASSERT (valuable);

  if(transaction) {

    if (CdlValueFlavor_BoolData == valuable->get_flavor ()) {

      // set the user bool to the current bool when changing a booldata

      // value to avoid a possible change in the current bool

      valuable->set_enabled_and_value (transaction, valuable->is_enabled (), (cdl_int) nValue, CdlValueSource_User);

    } else { // CdlValueFlavor_Data

      valuable->set_integer_value (transaction, nValue, CdlValueSource_User);

    }

  } else {

    if (CdlValueFlavor_BoolData == valuable->get_flavor ()) {

      // set the user bool to the current bool when changing a booldata

      // value to avoid a possible change in the current bool

      valuable->set_enabled_and_value (valuable->is_enabled (), (cdl_int) nValue, CdlValueSource_User);

    } else { // CdlValueFlavor_Data

      valuable->set_integer_value (nValue, CdlValueSource_User);

    }

  }

  return true;

}

bool CConfigItem::HasModifiedChildren() const

{

  for(CConfigItem *pItem=FirstChild();pItem;pItem=pItem->NextSibling()){

    if(pItem->Modified()||pItem->HasModifiedChildren()){

      return true;

    }

  }

  return false;

}

ItemIntegerType CConfigItem::Value () const

{

  ASSERT (!IsPackage()); // not a package item

  const CdlValuable valuable = GetCdlValuable();

  ASSERT (valuable);

  ItemIntegerType nValue (0);

  switch (valuable->get_flavor ())

  {

    //  case CdlValueFlavor_Bool:

    //          nValue = valuable->is_enabled (CdlValueSource_Current) ? 1 : 0;

    //          break;

  case CdlValueFlavor_BoolData:

  case CdlValueFlavor_Data:

    nValue = (ItemIntegerType) valuable->get_integer_value (CdlValueSource_Current);

    break;

  default:

    ASSERT (0); // specified flavor not supported

  }

  return nValue;

}

const double CConfigItem::DoubleValue (CdlValueSource source /* = CdlValueSource_Current */ ) const

{

  ASSERT (!IsPackage()); // not a package item

  const CdlValuable valuable = GetCdlValuable();

  ASSERT (valuable);

  ASSERT (valuable->has_double_value (source));

  return valuable->get_double_value (source);

}

ItemIntegerType CConfigItem::DefaultValue () const

{

  ItemIntegerType nValue;

  return CUtils::StrToItemIntegerType (StringValue (CdlValueSource_Default), nValue) ? nValue : 0;

}

const CString CConfigItem::StringValue (CdlValueSource source /* = CdlValueSource_Current */ ) const

{

  //    ASSERT (!IsPackage()); // not a package item

  const CdlValuable valuable = GetCdlValuable();

  ASSERT (valuable);

  CString strValue (_T(""));

  switch (valuable->get_flavor ())

  {

    case CdlValueFlavor_Data:

    case CdlValueFlavor_BoolData:

    case CdlValueFlavor_None: // a package

      if (m_Type == Integer)

        strValue = CUtils::IntToStr (Value (), CConfigTool::GetConfigToolDoc ()->m_bHex);

      else if (m_Type == Double)

        strValue = CUtils::DoubleToStr (DoubleValue ());

      else

        strValue = valuable->get_value (source).c_str ();

      break;

    default:

      ASSERT (0); // specified flavor not supported

  }

  return strValue;

}

const CString CConfigItem::StringValue(WhereType where) const

{

  CString str;

  switch(where){

    case InName:

      str=Name();

      break;

    case InMacro:

      str=Macro();

      break;

    case InDesc:

      str=Desc();

      break;

    case InCurrentValue:

      str=CConfigItem::None==Type()?_T(""):StringValue(CdlValueSource_Current);

      break;

    case InDefaultValue:

      str=CConfigItem::None==Type()?_T(""):StringValue(CdlValueSource_Default);

      break;

    default:

      ASSERT(FALSE);

      break;

  }

  return str;

}

void CConfigItem::DumpItem()

{

  TRACE(_T("Item %08x\n\tDisplay Name='%s'\n\tMacro Name='%s'\n\tType=%s"),

    this,       Name(),           Macro(),    TreeItemTypeImage[m_Type]);

  TRACE(_T("\n\tValue=%s\n\tURL=%s\n\tParent=%08x"),StringValue(), GetURL(), Parent());

  TRACE(_T("\n"));

}

CConfigItem * CConfigItem::NextRadio() const

{

  ASSERT(this->HasRadio ());

  for(CConfigItem *pItem=NextSibling();pItem;pItem=pItem->NextSibling()){

    if(pItem->HasRadio()){

      return pItem;

    }

  }

  return NULL;

}

bool CConfigItem::Modified () const

{

  const CdlValuable valuable = GetCdlValuable();

  return

    valuable        // accommodate the root config item which has no CDL item

    && !IsPackage() // packages are never modified

    && valuable->get_source () != CdlValueSource_Default;

}

CString CConfigItem::ItemNameOrMacro() const

{

  CConfigToolDoc *pDoc=CConfigTool::GetConfigToolDoc();

  return pDoc->m_bMacroNames&&!Macro().IsEmpty()?Macro():Name();

}

bool CConfigItem::IsDescendantOf(CConfigItem * pAncestor)

{

  for(CConfigItem *pItem=Parent();pItem;pItem=pItem->Parent()){

    if(pItem==pAncestor){

      return true;

    }

  }

  return false;

}

int CConfigItem::EvalEnumStrings (CStringArray &arEnumStrings) const

{

  const CdlValuable valuable = GetCdlValuable();

  ASSERT (valuable);

  /*

  if (m_Type == Boolean)

  {

  arEnumStrings.SetSize (2);

  arEnumStrings.SetAt (0, _T("True"));

  arEnumStrings.SetAt (1, _T("False"));

  }

  else

  */

  {

    ASSERT (m_Type == Enum);

    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

    arEnumStrings.SetSize (table.size ());

    for (unsigned int nValue = 0; nValue < table.size (); nValue++)

    {

      arEnumStrings.SetAt (nValue, table [nValue].get_value ().c_str ());

    }

  }

  return arEnumStrings.GetSize();

}

bool CConfigItem::HasBool() const

{

  if (!m_CdlItem) {

    return false;

  } else if (IsPackage()) {

    return false;

  } else {

    const CdlValuable valuable = GetCdlValuable();

    CdlValueFlavor flavor = valuable->get_flavor ();

    return (flavor == CdlValueFlavor_Bool) || (flavor == CdlValueFlavor_BoolData);

  }

}

bool CConfigItem::HasRadio() const

{

  const CdlValuable valuable = GetCdlValuable();

  if (! valuable)

    return false;

  CdlWidgetHint hint;

  valuable->get_widget_hint (hint);

  return (CdlBoolWidget_Radio == hint.bool_widget);

}

bool CConfigItem::SetEnabled(bool bEnabled, CdlTransaction current_transaction/*=NULL*/)

{

  const CdlValuable valuable = GetCdlValuable();

  ASSERT (valuable);

  // use a transaction object to ensure that all config items are changed together

  CdlTransaction transaction = current_transaction ? current_transaction : CdlTransactionBody::make (CConfigTool::GetConfigToolDoc ()->GetCdlConfig ());

  if (HasRadio () && bEnabled) { // if a new radio button has been selected

    for (CConfigItem *pItem = FirstRadio(); pItem; pItem = pItem->NextRadio ()) { // for each radio button in the group

      if (pItem != this) { // if not the newly selected radio button

        pItem->SetEnabled (false, transaction); // disable the radio button

      }

    }

  }

  if (CdlValueFlavor_BoolData == valuable->get_flavor ()) {

    // set the user value to the current data value when enabling/disabling

    // a booldata item to avoid a possible change in the current data value

    CdlSimpleValue simple_value = valuable->get_simple_value ();

    valuable->set_enabled_and_value (transaction, bEnabled, simple_value, CdlValueSource_User);

  } else { // CdlValueFlavor_Bool

    valuable->set_enabled (transaction, bEnabled, CdlValueSource_User);

  }

  if (! current_transaction) { // if not a recursive call to disable a radio button

    transaction->body (); // commit the transaction

    deleteZ(transaction);

  }

  return true;

}

bool CConfigItem::ViewHeader()

{

  bool rc=false;

  const CFileName strFile(FileName());

  if(!strFile.IsEmpty()){

    CConfigToolDoc *pDoc=CConfigTool::GetConfigToolDoc();

    if(pDoc->BuildTree().IsEmpty()){

      CUtils::MessageBoxF(_T("Cannot display header file until configuration is saved"));

    } else {

#ifdef PLUGIN

      // Load or activate window and leave

      CodeCoordinate loc((LPCTSTR)strFile, 0, 0, CodeCoordinate::FILE_LINE);

      rc=AppInstance::getAppManager()->getEditorController()->setEditLocation(loc);

#else

      rc=CUtils::Launch(strFile,pDoc->m_strViewer);

#endif

    }

  }

  return rc;

}

bool CConfigItem::ViewURL()

{

  return CConfigTool::GetConfigToolDoc()->ShowURL(GetURL());

}

// Unload (a package)

bool CConfigItem::Unload()

{

  bool rc=false;

  CdlPackage package=dynamic_cast<CdlPackage>(GetCdlItem());

  ASSERT(package);

  CConfigToolDoc* pDoc=CConfigTool::GetConfigToolDoc();

  // Remove its objects from the view to prevent any painting problems

  CConfigTool::GetControlView()->GetTreeCtrl().DeleteItem(HItem());

  for(int nItem=0;nItem<pDoc->ItemCount();nItem++){

    CConfigItem *pItem=pDoc->Item(nItem);

    if(package==pItem->GetOwnerPackage()){

      //CConfigTool::GetControlView()->GetTreeCtrl().DeleteItem(pItem->HItem());

      pItem->m_hItem=NULL;   // Make sure we can't attempt to paint it

      pItem->m_CdlItem=NULL; // Make sure we can't access stale data

    }

  }

  const CString strMacroName(Macro());

  TRACE (_T("Unloading package %s\n"), strMacroName);

  try {

    pDoc->GetCdlConfig()->unload_package (package);

    rc=true;

  }

  catch (CdlStringException exception) {

    CUtils::MessageBoxF(_T("Error unloading package %s:\n\n%s"), strMacroName, CString (exception.get_message ().c_str ()));

  }

  catch (...) {

    CUtils::MessageBoxF(_T("Error unloading package %s"), strMacroName);

  }

  m_hItem=NULL;   // Make sure we can't attempt to paint it

  m_CdlItem=NULL; // Make sure we can't access stale data

  return rc;

}

// Change version (of a package)

bool CConfigItem::ChangeVersion(const CString &strVersion)

{

  bool rc=false;

  CdlPackage package=dynamic_cast<CdlPackage>(GetCdlItem());

  ASSERT(package);

  const CdlValuable valuable = GetCdlValuable();

  ASSERT (valuable);

  const CString strMacroName(Macro());

  if (strVersion != valuable->get_value ().c_str ()) { // if the wrong version is loaded

    TRACE (_T("Changing package %s to version '%s'\n"), strMacroName, strVersion);

    try {

      CConfigTool::GetConfigToolDoc()->GetCdlConfig()->change_package_version (package, CUtils::UnicodeToStdStr (strVersion), CConfigToolDoc::CdlParseErrorHandler, CConfigToolDoc::CdlParseWarningHandler);

      rc=true;

    }

    catch (CdlStringException exception) {

      CUtils::MessageBoxF(_T("Error changing package %s to version '%s':\n\n%s"), strMacroName, strVersion, CString (exception.get_message ().c_str ()));

    }

    catch (...) {

      CUtils::MessageBoxF(_T("Error changing package %s to version '%s'"), strMacroName, strVersion);

    }

  }

  return rc;

}

CConfigItem *CConfigItem::Parent() const

{

  CTreeCtrl &tree=CConfigTool::GetControlView()->GetTreeCtrl();

  HTREEITEM hParent=tree.GetParentItem(HItem());

  return (NULL==hParent||TVI_ROOT==hParent)?NULL:(CConfigItem *)tree.GetItemData(hParent);

}

CConfigItem *CConfigItem::FirstChild() const

{

  CTreeCtrl &tree=CConfigTool::GetControlView()->GetTreeCtrl();

  HTREEITEM hChild=tree.GetChildItem(HItem());

  return hChild?(CConfigItem *)tree.GetItemData(hChild):NULL;

}

CConfigItem *CConfigItem::NextSibling() const

{

  CTreeCtrl &tree=CConfigTool::GetControlView()->GetTreeCtrl();

  HTREEITEM hSibling=tree.GetNextSiblingItem(HItem());

  return hSibling?(CConfigItem *)tree.GetItemData(hSibling):NULL;

}