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**
** Copyright (C) 2002 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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** This file is part of Qt 3D Studio.
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//==============================================================================
//	Includes
//==============================================================================
#include "PaletteManager.h"
#include "StudioApp.h"
#include "MainFrm.h"
#include "TimelineWidget.h"
#include "BasicObjectsView.h"
#include "SlideView.h"
#include "WidgetControl.h"
#include "InspectorControlView.h"
#include "ActionView.h"
#include "IDragable.h"
#include "ActionView.h"
#include "ProjectView.h"
#include "TabOrderHandler.h"
#include "StudioPreferences.h"

#include <QtWidgets/qdockwidget.h>
#include <QtWidgets/qboxlayout.h>

//==============================================================================
/**
 * Constructor
 */
CPaletteManager::CPaletteManager(CMainFrame *inMainFrame)
    : m_MainFrame(inMainFrame)
{
    // Position tabs to the right
    inMainFrame->setTabPosition(Qt::AllDockWidgetAreas, QTabWidget::East);

    m_projectDock = new QDockWidget(QObject::tr("Project"), inMainFrame);
    m_projectDock->setObjectName("project");
    m_projectDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea
                                   | Qt::BottomDockWidgetArea);
    // Give the preferred size as percentages of the mainframe size
    m_projectView = new ProjectView(QSize(inMainFrame->width() * 0.2,
                                          inMainFrame->height() * 0.8),
                                    m_projectDock);
    m_projectView->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
    m_projectDock->setWidget(m_projectView);
    inMainFrame->addDockWidget(Qt::RightDockWidgetArea, m_projectDock);
    m_ControlList.insert(std::make_pair(CONTROLTYPE_PROJECT, m_projectDock));

    m_inspectorDock = new QDockWidget(QObject::tr("Inspector Control"), inMainFrame);
    m_inspectorDock->setObjectName("inspector_control");
    m_inspectorDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea
                                     | Qt::BottomDockWidgetArea);
    // Give the preferred size as percentages of the mainframe size
    auto inspectorView = new InspectorControlView(QSize(inMainFrame->width() * 0.2,
                                                        inMainFrame->height() * 0.8),
                                                  m_inspectorDock);
    inspectorView->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
    m_inspectorDock->setWidget(inspectorView);
    inMainFrame->addDockWidget(Qt::RightDockWidgetArea, m_inspectorDock);
    inMainFrame->tabifyDockWidget(m_projectDock, m_inspectorDock);
    m_ControlList.insert(std::make_pair(CONTROLTYPE_INSPECTOR, m_inspectorDock));

    m_slideDock = new QDockWidget(QObject::tr("Slide"), inMainFrame);
    m_slideDock->setObjectName("slide");
    m_slideDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
    // Slide palette has a fixed size hint
    auto slideView = new SlideView(m_slideDock);
    slideView->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
    m_slideDock->setWidget(slideView);
    QObject::connect(slideView, &SlideView::slideFocused,
                     m_MainFrame, &CMainFrame::onSlideActive);
    inMainFrame->addDockWidget(Qt::LeftDockWidgetArea, m_slideDock);
    m_ControlList.insert(std::make_pair(CONTROLTYPE_SLIDE, m_slideDock));

    m_basicObjectsDock = new QDockWidget(QObject::tr("Basic Objects"), inMainFrame);
    m_basicObjectsDock->setObjectName("basic_objects");
    m_basicObjectsDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea
                                        | Qt::BottomDockWidgetArea);
    // Basic objects palette has a fixed size hint
    auto basicObjectsView = new BasicObjectsView(m_basicObjectsDock);
    basicObjectsView->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
    m_basicObjectsDock->setWidget(basicObjectsView);
    inMainFrame->addDockWidget(Qt::LeftDockWidgetArea, m_basicObjectsDock);
    inMainFrame->tabifyDockWidget(m_basicObjectsDock, m_slideDock);
    m_ControlList.insert(std::make_pair(CONTROLTYPE_BASICOBJECTS, m_basicObjectsDock));

    m_timelineDock = new QDockWidget(QObject::tr("Timeline"));
    m_timelineDock->setObjectName("timeline");
    m_timelineDock->setAllowedAreas(Qt::BottomDockWidgetArea);

    // Give the preferred size as percentages of the mainframe size
    // -25 is applied to width to compensate the action palette having no tabs by default
    m_timelineWidget = new TimelineWidget(QSize(inMainFrame->width() * 0.8 - 25,
                                                inMainFrame->height() * 0.2));
    m_timelineWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
    WidgetControl *timeLineWidgetControl = new WidgetControl(m_timelineWidget, m_timelineDock);
    timeLineWidgetControl->RegisterForDnd(timeLineWidgetControl);
    timeLineWidgetControl->AddMainFlavor(QT3DS_FLAVOR_LISTBOX);
    timeLineWidgetControl->AddMainFlavor(QT3DS_FLAVOR_FILE);
    timeLineWidgetControl->AddMainFlavor(QT3DS_FLAVOR_ASSET_UICFILE);
    timeLineWidgetControl->AddMainFlavor(QT3DS_FLAVOR_ASSET_LIB);
    timeLineWidgetControl->AddMainFlavor(QT3DS_FLAVOR_ASSET_TL);
    timeLineWidgetControl->AddMainFlavor(QT3DS_FLAVOR_BASIC_OBJECTS);

    m_timelineWidget->setParent(timeLineWidgetControl);

    m_timelineDock->setWidget(timeLineWidgetControl);
    inMainFrame->addDockWidget(Qt::BottomDockWidgetArea, m_timelineDock);
    m_ControlList.insert(std::make_pair(CONTROLTYPE_TIMELINE, m_timelineDock));

    m_actionDock = new QDockWidget(QObject::tr("Action"), inMainFrame);
    m_actionDock->setObjectName("action");
    m_actionDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea
                                  | Qt::BottomDockWidgetArea);
    // Give the preferred size as percentages of the mainframe size
    // +25 is applied to width to compensate the action palette having no tabs by default
    auto actionView = new ActionView(QSize(inMainFrame->width() * 0.2 + 25,
                                           inMainFrame->height() * 0.2),
                                     m_actionDock);
    actionView->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
    m_actionDock->setWidget(actionView);
    QObject::connect(actionView, &ActionView::actionFocused,
                     m_MainFrame, &CMainFrame::onActionActive);
    inMainFrame->addDockWidget(Qt::BottomDockWidgetArea, m_actionDock);
    m_ControlList.insert(std::make_pair(CONTROLTYPE_ACTION, m_actionDock));

    m_basicObjectsDock->setEnabled(false);
    m_projectDock->setEnabled(false);
    m_slideDock->setEnabled(false);
    m_actionDock->setEnabled(false);
    m_inspectorDock->setEnabled(false);
    m_timelineDock->setEnabled(false);
}

//==============================================================================
/**
 * Destructor
 */
CPaletteManager::~CPaletteManager()
{
    TControlMap::iterator theIterator = m_ControlList.begin();
    TControlMap::iterator theEndIterator = m_ControlList.end();
    // Delete all the controls
    for (theIterator = m_ControlList.begin(); theIterator != theEndIterator; ++theIterator)
        delete theIterator->second;
}

//=============================================================================
/**
 *  Force a control to become invisible
 */
void CPaletteManager::HideControl(long inType)
{
    auto dock = GetControl(inType);

    if (dock) {
        // Make sure the control is invisible
        dock->setVisible(false);
    }
}
//=============================================================================
/**
 *	Detemine if a control is currently visible
 */
bool CPaletteManager::IsControlVisible(long inType) const
{
    auto dock = GetControl(inType);
    return dock && dock->isVisible();
}

//=============================================================================
/**
 *	Force a control to become visible
 */
void CPaletteManager::ShowControl(long inType)
{
    auto dock = GetControl(inType);

    if (dock) {
        // Make sure the control is visible
        dock->setVisible(true);
        dock->setFocus();
    }
}

//=============================================================================
/**
 *  Flip the visible state of a control
 */
void CPaletteManager::ToggleControl(long inType)
{
    if (IsControlVisible(inType))
        HideControl(inType);
    else
        ShowControl(inType);
}

//==============================================================================
/**
 *	Return the Control (Palette) according to its EControlTypes enum.
 *	@param inType	EControlTypes
 */
QDockWidget *CPaletteManager::GetControl(long inType) const
{
    auto dock = m_ControlList.find(inType);
    if (dock != m_ControlList.end() && dock->second)
        return dock->second;
    else
        return nullptr;
}

QWidget *CPaletteManager::getFocusWidget() const
{
    TControlMap::const_iterator end = m_ControlList.end();
    for (TControlMap::const_iterator iter = m_ControlList.begin(); iter != end; ++iter) {
        if (iter->second->widget()->hasFocus())
            return iter->second->widget();
    }
    return nullptr;
}

bool CPaletteManager::tabNavigateFocusedWidget(bool tabForward)
{
    QWidget *palette = getFocusWidget();
    if (palette) {
        if (auto inspector = qobject_cast<InspectorControlView *>(palette)) {
            inspector->tabOrderHandler()->tabNavigate(tabForward);
            return true;
        } else if (auto actionview = qobject_cast<ActionView *>(palette)) {
            actionview->tabOrderHandler()->tabNavigate(tabForward);
            return true;
        }
    }
    return false;
}

void CPaletteManager::onTimeChanged(long time)
{
    //m_timeLineToolbar->onTimeChanged(time);
}

ProjectView *CPaletteManager::projectView() const
{
    return m_projectView;
}

void CPaletteManager::EnablePalettes()
{
    m_basicObjectsDock->setEnabled(true);
    m_projectDock->setEnabled(true);
    m_slideDock->setEnabled(true);
    m_timelineDock->setEnabled(true);
    m_actionDock->setEnabled(true);
    m_inspectorDock->setEnabled(true);
}