/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtGui/QAction>

#include "buddyeditor_plugin.h"
#include "buddyeditor_tool.h"

#include <QtDesigner/QDesignerFormWindowInterface>
#include <QtDesigner/QDesignerFormWindowManagerInterface>
#include <QtDesigner/QDesignerFormEditorInterface>

QT_BEGIN_NAMESPACE

using namespace qdesigner_internal;

BuddyEditorPlugin::BuddyEditorPlugin()
    : m_initialized(false)
{
}

BuddyEditorPlugin::~BuddyEditorPlugin()
{
}

bool BuddyEditorPlugin::isInitialized() const
{
    return m_initialized;
}

void BuddyEditorPlugin::initialize(QDesignerFormEditorInterface *core)
{
    Q_ASSERT(!isInitialized());

    m_action = new QAction(tr("Edit Buddies"), this);
    m_action->setObjectName(QLatin1String("__qt_edit_buddies_action"));
    QIcon buddyIcon = QIcon::fromTheme("designer-edit-buddy",
                                       QIcon(core->resourceLocation() + QLatin1String("/buddytool.png")));
    m_action->setIcon(buddyIcon);
    m_action->setEnabled(false);

    setParent(core);
    m_core = core;
    m_initialized = true;

    connect(core->formWindowManager(), SIGNAL(formWindowAdded(QDesignerFormWindowInterface*)),
            this, SLOT(addFormWindow(QDesignerFormWindowInterface*)));

    connect(core->formWindowManager(), SIGNAL(formWindowRemoved(QDesignerFormWindowInterface*)),
            this, SLOT(removeFormWindow(QDesignerFormWindowInterface*)));

    connect(core->formWindowManager(), SIGNAL(activeFormWindowChanged(QDesignerFormWindowInterface*)),
                this, SLOT(activeFormWindowChanged(QDesignerFormWindowInterface*)));
}

QDesignerFormEditorInterface *BuddyEditorPlugin::core() const
{
    return m_core;
}

void BuddyEditorPlugin::addFormWindow(QDesignerFormWindowInterface *formWindow)
{
    Q_ASSERT(formWindow != 0);
    Q_ASSERT(m_tools.contains(formWindow) == false);

    BuddyEditorTool *tool = new BuddyEditorTool(formWindow, this);
    m_tools[formWindow] = tool;
    connect(m_action, SIGNAL(triggered()), tool->action(), SLOT(trigger()));
    formWindow->registerTool(tool);
}

void BuddyEditorPlugin::removeFormWindow(QDesignerFormWindowInterface *formWindow)
{
    Q_ASSERT(formWindow != 0);
    Q_ASSERT(m_tools.contains(formWindow) == true);

    BuddyEditorTool *tool = m_tools.value(formWindow);
    m_tools.remove(formWindow);
    disconnect(m_action, SIGNAL(triggered()), tool->action(), SLOT(trigger()));
    // ### FIXME disable the tool

    delete tool;
}

QAction *BuddyEditorPlugin::action() const
{
    return m_action;
}

void BuddyEditorPlugin::activeFormWindowChanged(QDesignerFormWindowInterface *formWindow)
{
    m_action->setEnabled(formWindow != 0);
}

QT_END_NAMESPACE
