/**
 * DocDockWidget.cpp
 * Copyright (c) 2013 ROBLOX Corp. All Rights Reserved.
 */

#include "stdafx.h"
#include "DocDockManager.h"

// Qt Headers
#include <QVBoxLayout>
#include <QToolBar>

// Roblox Studio Headers
#include "RobloxMainWindow.h"
#include "RobloxDocManager.h"
#include "StudioUtilities.h"
#include "DocDockWidget.h"

DocDockManager::DocDockManager(RobloxMainWindow& mainWindow)
    : QObject(&mainWindow),
      m_MainWindow(mainWindow)
{
}

DocDockManager::~DocDockManager()
{
    RBXASSERT(m_Docs.isEmpty());
}

/**
 * Adds a new dock widget for a doc.
 */
void DocDockManager::addDoc(IRobloxDoc& doc)
{
    RBXASSERT(!m_Docs.contains(&doc));
    RBXASSERT(doc.getViewer());

    RBX::BaldPtr<DocDockWidget> dockWidget = new DocDockWidget(m_MainWindow,*this,doc);
    m_Docs[&doc] = dockWidget;
}

/**
 * Removes the dock widget for the doc but does not delete the doc.
 * 
 * @return false if the doc is not handled by this manager.
 */
bool DocDockManager::removeDoc(IRobloxDoc& doc)
{
    if ( !m_Docs.contains(&doc) )
        return false;

    RBX::BaldPtr<DocDockWidget> dockWidget = m_Docs[&doc];
    dockWidget->cleanup();
    dockWidget->deleteLater();
    m_Docs.remove(&doc);
    return true;
}

/**
 * Changes the dock widget's window title.
 * 
 * @return false if the doc is not handled by this manager.
 */
bool DocDockManager::renameDoc(IRobloxDoc& doc,const QString& text,const QString& tooltip)
{
    if ( !m_Docs.contains(&doc) )
        return false;

    RBX::BaldPtr<DocDockWidget> dockWidget = m_Docs[&doc];
    dockWidget->setTitle(text,tooltip);
    return true;
}

/**
 * Sets dock widget focus for the doc, causing the doc to be set current.
 * 
 * @return false if the doc is not handled by this manager.
 */
bool DocDockManager::setCurrentDoc(IRobloxDoc& doc)
{
    if ( !m_Docs.contains(&doc) )
        return false;

    RBX::BaldPtr<DocDockWidget> dockWidget = m_Docs[&doc];
    dockWidget->setFocus();
    dockWidget->raise();
    return true;
}

/**
 * Gets the current dock widget that has focus.
 * 
 * @return doc if has focus, NULL if not found or does not have focus
 */
IRobloxDoc* DocDockManager::getCurrentDoc() const
{
    RBXASSERT(QThread::currentThread() == QCoreApplication::instance()->thread());

    tDocDockMap::const_iterator iter = m_Docs.begin();
    while ( iter != m_Docs.end() )
    {
        if ( iter.value()->hasFocus() )
            return iter.key();
        ++iter;
    }

    return NULL;
}

/**
 * Initializes dragging a dock widget.
 *  This is called when a tab is detached, creating a dock widget.  The dock widget
 *   is immediately set to be dragging the window.
 *  This function generates OS specific mouse events.
 */
void DocDockManager::startDrag(IRobloxDoc& doc)
{
    RBXASSERT(m_Docs.contains(&doc));
    RBX::BaldPtr<DocDockWidget> dockWidget = m_Docs[&doc];
    dockWidget->startDragging();
}