// Created on: 2017-06-16
// Created by: Natalia ERMOLAEVA
// Copyright (c) 2017 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#include <inspector/DFBrowser_Tools.hxx>

#include <inspector/DFBrowser_ItemBase.hxx>

#include <inspector/DFBrowserPane_AttributePaneCreator.hxx>
#include <inspector/DFBrowserPane_Tools.hxx>

#include <TCollection_AsciiString.hxx>
#include <TDF_Tool.hxx>
#include <TDF_ChildIterator.hxx>
#include <Standard_GUID.hxx>
#include <TDataStd_Integer.hxx>
#include <TDataStd_Real.hxx>
#include <TDataStd_Name.hxx>

#include <Standard_WarningsDisable.hxx>
#include <QColor>
#include <QDir>
#include <QPalette>
#include <QWidget>
#include <Standard_WarningsRestore.hxx>

namespace DFBrowser_Tools
{
// =======================================================================
// function : IsEmptyLabel
// purpose :
// =======================================================================
bool IsEmptyLabel(const TDF_Label& theLabel)
{
  if (theLabel.IsNull())
    return true;

  if (theLabel.IsRoot())
    return false;

  if (theLabel.NbAttributes() > 0)
    return false;

  for (TDF_ChildIterator aChildIt(theLabel); aChildIt.More(); aChildIt.Next())
  {
    if (!IsEmptyLabel(aChildIt.Value()))
      return false;
  }
  return true;
}

// =======================================================================
// function : GetLabelInfo
// purpose :
// =======================================================================
QString GetLabelInfo(const TDF_Label& theLabel, const bool isUseShortInfo)
{
  QString aValue = DFBrowserPane_Tools::GetEntry(theLabel).ToCString();
  if (!isUseShortInfo)
    return aValue;

  Handle(TDataStd_Name) aName;
  if (!theLabel.FindAttribute(TDataStd_Name::GetID(), aName))
    return aValue;

  aValue += " ";
  aValue += DFBrowserPane_Tools::ToString(aName->Get());

  return aValue;
}

enum DFBrowser_IconType
{
  DFBrowser_IconType_16x16,
  DFBrowser_IconType_40x40
};

static QMap<DFBrowser_IconType, QIcon> MyLabelIcons;

// =======================================================================
// function : GetLabelIcon
// purpose :
// =======================================================================
QIcon GetLabelIcon(const TDF_Label& theLabel, bool isStandard16x16)
{
  (void)theLabel;
  if (MyLabelIcons.empty())
  {
    MyLabelIcons[DFBrowser_IconType_16x16] = QIcon(":/icons/label_folder_16x16.png");
    MyLabelIcons[DFBrowser_IconType_40x40] = QIcon(":/icons/label_folder_40x40.png");
  }
  return MyLabelIcons[isStandard16x16 ? DFBrowser_IconType_16x16 : DFBrowser_IconType_40x40];
}
} // namespace DFBrowser_Tools