/**************************************************************************
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** This file is part of Qt Creator
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** GNU Lesser General Public License Usage
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** License version 2.1 as published by the Free Software Foundation and
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**
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#include "changeselectiondialog.h"

#include <QtGui/QFileDialog>
#include <QtGui/QMessageBox>

namespace Git {
namespace Internal {

ChangeSelectionDialog::ChangeSelectionDialog(QWidget *parent)
    : QDialog(parent)
{
    m_ui.setupUi(this);
    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
    connect(m_ui.repositoryButton, SIGNAL(clicked()), this, SLOT(selectWorkingDirectory()));
    setWindowTitle(tr("Select a Git Commit"));
}

QString ChangeSelectionDialog::change() const
{
    return m_ui.changeNumberEdit->text();
}

QString ChangeSelectionDialog::repository() const
{
    return m_ui.repositoryEdit->text();
}

void ChangeSelectionDialog::setRepository(const QString &s)
{
    m_ui.repositoryEdit->setText(QDir::toNativeSeparators(s));
    m_ui.changeNumberEdit->setFocus(Qt::ActiveWindowFocusReason);
    m_ui.changeNumberEdit->setText(QLatin1String("HEAD"));
    m_ui.changeNumberEdit->selectAll();
}

void ChangeSelectionDialog::selectWorkingDirectory()
{
    static QString location;
    location = QFileDialog::getExistingDirectory(this,
                                      tr("Select Git Repository"),
                                      location);
    if (location.isEmpty())
        return;

    // Verify that the location is a repository
    // We are polite, we also allow to specify a directory, which is not
    // the head directory of the repository.
    QDir repository(location);
    do {
        if (repository.entryList(QDir::AllDirs|QDir::Hidden).contains(QLatin1String(".git"))) {
            m_ui.repositoryEdit->setText(repository.absolutePath());
            return;
        }
    } while (repository.cdUp());

    // Did not find a repo
    QMessageBox::critical(this, tr("Error"),
                          tr("Selected directory is not a Git repository"));

}

}
}