/**
 ******************************************************************************
 *
 * @file       plugindialog.cpp
 * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
 *             Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
 * @brief      
 * @see        The GNU Public License (GPL) Version 3
 * @defgroup   coreplugin
 * @{
 * 
 *****************************************************************************/
/* 
 * This program is free software; you can redistribute it and/or modify 
 * it under the terms of the GNU General Public License as published by 
 * the Free Software Foundation; either version 3 of the License, or 
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
 * for more details.
 * 
 * You should have received a copy of the GNU General Public License along 
 * with this program; if not, write to the Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "plugindialog.h"

#include <extensionsystem/pluginmanager.h>
#include <extensionsystem/pluginview.h>
#include <extensionsystem/plugindetailsview.h>
#include <extensionsystem/pluginerrorview.h>
#include <extensionsystem/pluginspec.h>

#include <QtGui/QVBoxLayout>
#include <QtGui/QHBoxLayout>
#include <QtGui/QDialog>
#include <QtGui/QDialogButtonBox>
#include <QtGui/QPushButton>
#include <QtDebug>

using namespace Core::Internal;

PluginDialog::PluginDialog(QWidget *parent)
    : QDialog(parent),
      m_view(new ExtensionSystem::PluginView(ExtensionSystem::PluginManager::instance(), this))
{
    QVBoxLayout *vl = new QVBoxLayout(this);
    vl->addWidget(m_view);

    m_detailsButton = new QPushButton(tr("Details"), this);
    m_errorDetailsButton = new QPushButton(tr("Error Details"), this);
    m_closeButton = new QPushButton(tr("Close"), this);
    m_detailsButton->setEnabled(false);
    m_errorDetailsButton->setEnabled(false);
    m_closeButton->setEnabled(true);
    m_closeButton->setDefault(true);

    QHBoxLayout *hl = new QHBoxLayout;
    hl->addWidget(m_detailsButton);
    hl->addWidget(m_errorDetailsButton);
    hl->addStretch(5);
    hl->addWidget(m_closeButton);

    vl->addLayout(hl);

    resize(650, 400);
    setWindowTitle(tr("Installed Plugins"));

    connect(m_view, SIGNAL(currentPluginChanged(ExtensionSystem::PluginSpec*)),
            this, SLOT(updateButtons()));
    connect(m_view, SIGNAL(pluginActivated(ExtensionSystem::PluginSpec*)),
            this, SLOT(openDetails(ExtensionSystem::PluginSpec*)));
    connect(m_detailsButton, SIGNAL(clicked()), this, SLOT(openDetails()));
    connect(m_errorDetailsButton, SIGNAL(clicked()), this, SLOT(openErrorDetails()));
    connect(m_closeButton, SIGNAL(clicked()), this, SLOT(accept()));
    updateButtons();
}

void PluginDialog::updateButtons()
{
    ExtensionSystem::PluginSpec *selectedSpec = m_view->currentPlugin();
    if (selectedSpec) {
        m_detailsButton->setEnabled(true);
        m_errorDetailsButton->setEnabled(selectedSpec->hasError());
    } else {
        m_detailsButton->setEnabled(false);
        m_errorDetailsButton->setEnabled(false);
    }
}


void PluginDialog::openDetails()
{
    openDetails(m_view->currentPlugin());
}

void PluginDialog::openDetails(ExtensionSystem::PluginSpec *spec)
{
    if (!spec)
        return;
    QDialog dialog(this);
    dialog.setWindowTitle(tr("Plugin Details of %1").arg(spec->name()));
    QVBoxLayout *layout = new QVBoxLayout;
    dialog.setLayout(layout);
    ExtensionSystem::PluginDetailsView *details = new ExtensionSystem::PluginDetailsView(&dialog);
    layout->addWidget(details);
    details->update(spec);
    QDialogButtonBox *buttons = new QDialogButtonBox(QDialogButtonBox::Close, Qt::Horizontal, &dialog);
    layout->addWidget(buttons);
    connect(buttons, SIGNAL(accepted()), &dialog, SLOT(accept()));
    connect(buttons, SIGNAL(rejected()), &dialog, SLOT(reject()));
    dialog.resize(400, 500);
    dialog.exec();
}

void PluginDialog::openErrorDetails()
{
    ExtensionSystem::PluginSpec *spec = m_view->currentPlugin();
    if (!spec)
        return;
    QDialog dialog(this);
    dialog.setWindowTitle(tr("Plugin Errors of %1").arg(spec->name()));
    QVBoxLayout *layout = new QVBoxLayout;
    dialog.setLayout(layout);
    ExtensionSystem::PluginErrorView *errors = new ExtensionSystem::PluginErrorView(&dialog);
    layout->addWidget(errors);
    errors->update(spec);
    QDialogButtonBox *buttons = new QDialogButtonBox(QDialogButtonBox::Close, Qt::Horizontal, &dialog);
    layout->addWidget(buttons);
    connect(buttons, SIGNAL(accepted()), &dialog, SLOT(accept()));
    connect(buttons, SIGNAL(rejected()), &dialog, SLOT(reject()));
    dialog.resize(500, 300);
    dialog.exec();
}