/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact:  Qt Software Information (qt-info@nokia.com)
**
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** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file.  Please review the following information to ensure GNU
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***************************************************************************/

#include "cpptoolseditorsupport.h"
#include "cppmodelmanager.h"

#include <texteditor/itexteditor.h>

#include <QTimer>

using namespace CppTools::Internal;

CppEditorSupport::CppEditorSupport(CppModelManager *modelManager)
    : QObject(modelManager),
      _modelManager(modelManager),
      _updateDocumentInterval(UPDATE_DOCUMENT_DEFAULT_INTERVAL)
{
    _updateDocumentTimer = new QTimer(this);
    _updateDocumentTimer->setSingleShot(true);
    _updateDocumentTimer->setInterval(_updateDocumentInterval);
    connect(_updateDocumentTimer, SIGNAL(timeout()), this, SLOT(updateDocumentNow()));
}

CppEditorSupport::~CppEditorSupport()
{ }

TextEditor::ITextEditor *CppEditorSupport::textEditor() const
{ return _textEditor; }

void CppEditorSupport::setTextEditor(TextEditor::ITextEditor *textEditor)
{
    _textEditor = textEditor;

    if (! _textEditor)
        return;

    connect(_textEditor, SIGNAL(contentsChanged()), this, SLOT(updateDocument()));
    updateDocument();
}

QString CppEditorSupport::contents() const
{
    if (! _textEditor)
        return QString();

    return _textEditor->contents();
}

int CppEditorSupport::updateDocumentInterval() const
{ return _updateDocumentInterval; }

void CppEditorSupport::setUpdateDocumentInterval(int updateDocumentInterval)
{ _updateDocumentInterval = updateDocumentInterval; }

void CppEditorSupport::updateDocument()
{ _updateDocumentTimer->start(_updateDocumentInterval); }

void CppEditorSupport::updateDocumentNow()
{
    if (_documentParser.isRunning()) {
        _updateDocumentTimer->start(_updateDocumentInterval);
    } else {
        _updateDocumentTimer->stop();
        QStringList sourceFiles(_textEditor->file()->fileName());
        _documentParser = _modelManager->refreshSourceFiles(sourceFiles);
    }
}