/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
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** accordance with the commercial license agreement provided with the
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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****************************************************************************/

#include "currentprojectfind.h"

#include "projectexplorer.h"
#include "project.h"
#include "session.h"

#include <utils/qtcassert.h>
#include <utils/filesearch.h>

#include <QDebug>
#include <QSettings>

using namespace ProjectExplorer;
using namespace ProjectExplorer::Internal;
using namespace TextEditor;

CurrentProjectFind::CurrentProjectFind()
{
    connect(ProjectExplorerPlugin::instance(), SIGNAL(currentProjectChanged(ProjectExplorer::Project*)),
            this, SLOT(handleProjectChanged()));
    connect(SessionManager::instance(), SIGNAL(projectRemoved(ProjectExplorer::Project*)),
            this, SLOT(handleProjectChanged()));
    connect(SessionManager::instance(), SIGNAL(projectAdded(ProjectExplorer::Project*)),
            this, SLOT(handleProjectChanged()));
}

QString CurrentProjectFind::id() const
{
    return QLatin1String("Current Project");
}

QString CurrentProjectFind::displayName() const
{
    return tr("Current Project");
}

bool CurrentProjectFind::isEnabled() const
{
    return ProjectExplorerPlugin::currentProject() != 0 && BaseFileFind::isEnabled();
}

QVariant CurrentProjectFind::additionalParameters() const
{
    Project *project = ProjectExplorerPlugin::currentProject();
    if (project && project->document())
        return qVariantFromValue(project->projectFilePath());
    return QVariant();
}

Utils::FileIterator *CurrentProjectFind::files(const QStringList &nameFilters,
                           const QVariant &additionalParameters) const
{
    QTC_ASSERT(additionalParameters.isValid(),
               return new Utils::FileIterator(QStringList(), QList<QTextCodec *>()));
    QString projectFile = additionalParameters.toString();
    foreach (Project *project, SessionManager::projects()) {
        if (project->document() && projectFile == project->projectFilePath())
            return filesForProjects(nameFilters, QList<Project *>() << project);
    }
    return new Utils::FileIterator(QStringList(), QList<QTextCodec *>());
}

QString CurrentProjectFind::label() const
{
    QTC_ASSERT(ProjectExplorerPlugin::currentProject(), return QString());
    return tr("Project '%1':").arg(ProjectExplorerPlugin::currentProject()->displayName());
}

void CurrentProjectFind::handleProjectChanged()
{
    emit enabledChanged(isEnabled());
}

void CurrentProjectFind::recheckEnabled()
{
    Core::SearchResult *search = qobject_cast<Core::SearchResult *>(sender());
    if (!search)
        return;
    QString projectFile = getAdditionalParameters(search).toString();
    foreach (Project *project, SessionManager::projects()) {
        if (projectFile == project->projectFilePath()) {
            search->setSearchAgainEnabled(true);
            return;
        }
    }
    search->setSearchAgainEnabled(false);
}

void CurrentProjectFind::writeSettings(QSettings *settings)
{
    settings->beginGroup(QLatin1String("CurrentProjectFind"));
    writeCommonSettings(settings);
    settings->endGroup();
}

void CurrentProjectFind::readSettings(QSettings *settings)
{
    settings->beginGroup(QLatin1String("CurrentProjectFind"));
    readCommonSettings(settings, QString(QLatin1Char('*')));
    settings->endGroup();
}
