cppincludehierarchymodel.cpp

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** Copyright (C) 2014 Przemyslaw Gorszkowski <pgorszkowski@gmail.com>
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** This file is part of Qt Creator.
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#include "cppincludehierarchymodel.h"

#include "cppincludehierarchyitem.h"

#include <coreplugin/fileiconprovider.h>
#include <cplusplus/CppDocument.h>
#include <cppeditor/cppeditor.h>
#include <cpptools/cppmodelmanagerinterface.h>
#include <cpptools/cpptoolseditorsupport.h>

#include <QSet>

using namespace CPlusPlus;
using namespace CppTools;

namespace CppEditor {
namespace Internal {

CppIncludeHierarchyModel::CppIncludeHierarchyModel(QObject *parent)
    : QAbstractItemModel(parent)
    , m_rootItem(new CppIncludeHierarchyItem(QString()))
    , m_includesItem(new CppIncludeHierarchyItem(tr("Includes"), m_rootItem))
    , m_includedByItem(new CppIncludeHierarchyItem(tr("Included by"), m_rootItem))
    , m_editor(0)
{
    m_rootItem->appendChild(m_includesItem);
    m_rootItem->appendChild(m_includedByItem);
}

CppIncludeHierarchyModel::~CppIncludeHierarchyModel()
{
    delete m_rootItem;
}

QModelIndex CppIncludeHierarchyModel::index(int row, int column, const QModelIndex &parent) const
{
    if (!hasIndex(row, column, parent))
          return QModelIndex();

      CppIncludeHierarchyItem *parentItem = parent.isValid()
              ? static_cast<CppIncludeHierarchyItem*>(parent.internalPointer())