#include "castviewer.h"

// Tnz6 includes
#include "castselection.h"
#include "tapp.h"
#include "menubarcommandids.h"
#include "floatingpanelcommand.h"
#include "iocommand.h"
#include "filmstripcommand.h"
#include "flipbook.h"

// TnzLib includes
#include "toonz/tscenehandle.h"
#include "toonz/txsheethandle.h"
#include "toonz/txshlevelhandle.h"
#include "toonz/levelset.h"
#include "toonz/toonzscene.h"
#include "toonz/levelset.h"
#include "toonz/txshsimplelevel.h"
#include "toonz/txshleveltypes.h"

// TnzQt includes
#include "toonzqt/dvdialog.h"
#include "toonzqt/gutil.h"
#include "toonzqt/trepetitionguard.h"
#include "toonzqt/icongenerator.h"
#include "toonzqt/infoviewer.h"
#include "historytypes.h"

// TnzCore includes
#include "tundo.h"
#include "tfiletype.h"
#include "tsystem.h"

// Qt includes
#include <QDrag>
#include <QDragEnterEvent>
#include <QDragMoveEvent>
#include <QDropEvent>
#include <QDragLeaveEvent>
#include <QHeaderView>
#include <QPainter>
#include <QBoxLayout>
#include <QLabel>
#include <QByteArray>
#include <QDesktopServices>
#include <QUrl>
#include <QMenu>
#include <QDir>

const char *AudioFolderName = "Audio";

using namespace DVGui;

namespace
{

//Se il widget del cast viewer viene spostato in toonzqt (e quindi fatto dipendere dallo sceneHandle)
//questo undo puo' essere spostato in un nuovo file levelsetcommand in toonzlib.
class MoveLevelToFolderUndo : public TUndo
{
	TLevelSet *m_levelSet;
	std::wstring m_levelName;
	TFilePath m_oldFolder;
	TFilePath m_newFolder;

public:
	MoveLevelToFolderUndo(TLevelSet *levelSet, std::wstring levelName, TFilePath newFolder)
		: m_levelSet(levelSet), m_levelName(levelName), m_newFolder(newFolder)
	{
		TXshLevel *level = m_levelSet->getLevel(m_levelName);
		m_oldFolder = m_levelSet->getFolder(level);
	}

	void undo() const
	{
		TXshLevel *level = m_levelSet->getLevel(m_levelName);
		m_levelSet->moveLevelToFolder(m_oldFolder, level);
		TApp::instance()->getCurrentScene()->notifyCastChange();
	}

	void redo() const
	{
		TXshLevel *level = m_levelSet->getLevel(m_levelName);
		m_levelSet->moveLevelToFolder(m_newFolder, level);
		TApp::instance()->getCurrentScene()->notifyCastChange();
	}

	int getSize() const
	{
		return sizeof(*this);
	}

	QString getHistoryString()
	{
		return QObject::tr("Move Level to Cast Folder");
	}
};
}

//=============================================================================
//
// CastTreeViewer
//
//-----------------------------------------------------------------------------

CastTreeViewer::CastTreeViewer(QWidget *parent)
	: QTreeWidget(parent), m_dropTargetItem(0)
{
	setObjectName("OnePixelMarginFrame");
	//setObjectName("BrowserTreeView");
	//setStyleSheet("#BrowserTreeView {border: 0px; margin: 1px; qproperty-autoFillBackground: true;}");

	header()->close();
	setIconSize(QSize(21, 17));
	setUniformRowHeights(true);
	// m_treeViewer->setColumnCount(1);

	setAcceptDrops(true);
	connect(
		this, SIGNAL(itemChanged(QTreeWidgetItem *, int)),
		this, SLOT(onItemChanged(QTreeWidgetItem *, int)));
	connect(
		this, SIGNAL(currentItemChanged(QTreeWidgetItem *, QTreeWidgetItem *)),
		this, SLOT(onFolderChanged(QTreeWidgetItem *, QTreeWidgetItem *)));
	connect(
		TApp::instance()->getCurrentScene(), SIGNAL(sceneSwitched()),
		this, SLOT(rebuildCastTree()));
	connect(
		TApp::instance()->getCurrentScene(), SIGNAL(castFolderAdded(const TFilePath &)),
		this, SLOT(onCastFolderAdded(const TFilePath &)));

	connect(
		TApp::instance()->getCurrentScene(), SIGNAL(nameSceneChanged()),
		this, SLOT(onSceneNameChanged()));

	//Connect all possible changes that can alter the
	//bottom horizontal scrollbar to resize contents...
	connect(
		this, SIGNAL(expanded(const QModelIndex &)),
		this, SLOT(resizeToConts()));

	connect(
		this, SIGNAL(collapsed(const QModelIndex &)),
		this, SLOT(resizeToConts()));

	connect(
		this->model(), SIGNAL(layoutChanged()),
		this, SLOT(resizeToConts()));

	rebuildCastTree();
}

//-----------------------------------------------------------------------------

//!Resizes viewport to contents
void CastTreeViewer::resizeToConts(void)
{
	resizeColumnToContents(0);
}

//-----------------------------------------------------------------------------

void CastTreeViewer::resizeEvent(QResizeEvent *event)
{
	resizeColumnToContents(0);
	QTreeView::resizeEvent(event);
}

//-----------------------------------------------------------------------------

TLevelSet *CastTreeViewer::getLevelSet()
{
	return TApp::instance()->getCurrentScene()->getScene()->getLevelSet();
}

//-----------------------------------------------------------------------------

void CastTreeViewer::enableCommands()
{
	enableCommand(this, MI_Clear, &CastTreeViewer::deleteFolder);
}

//-----------------------------------------------------------------------------

void CastTreeViewer::onFolderChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous)
{
	// rende la selezione corrente; serve per intercettare il comando MI_Clear
	makeCurrent();
}

//-----------------------------------------------------------------------------

void CastTreeViewer::populateFolder(QTreeWidgetItem *folder)
{
	TFilePath folderPath(folder->data(1, Qt::DisplayRole).toString().toStdWString());
	std::vector<TFilePath> folders;
	getLevelSet()->listFolders(folders, folderPath);
	int i;
	for (i = 0; i < (int)folders.size(); i++) {
		TFilePath fp = folders[i];
		QString fpQstr = QString::fromStdWString(fp.getWideString());
		QString name = QString::fromStdWString(fp.withoutParentDir().getWideString());
		QTreeWidgetItem *child = new QTreeWidgetItem((QTreeWidgetItem *)0, QStringList(name) << fpQstr);
		if (name != AudioFolderName)
			child->setFlags(child->flags() | Qt::ItemIsEditable);
		folder->addChild(child);
		populateFolder(child);
	}
}

//-----------------------------------------------------------------------------

void CastTreeViewer::onSceneNameChanged()
{
	QTreeWidgetItem *root = topLevelItem(0);
	if (!root)
		return;
	ToonzScene *scene = TApp::instance()->getCurrentScene()->getScene();
	QString rootName = QString("Root");
	if (scene) {
		std::wstring name = (scene->isUntitled()) ? L"Untitled" : scene->getSceneName();
		rootName = rootName.fromStdWString(name);
	}
	root->setText(0, rootName);
}

//-----------------------------------------------------------------------------

void CastTreeViewer::onCastFolderAdded(const TFilePath &path)
{
	QTreeWidgetItem *root = topLevelItem(0)->child(0);
	assert(root->data(1, Qt::DisplayRole).toString() == toQString(getLevelSet()->getDefaultFolder()));
	QString childName = QString::fromStdWString(path.getWideName());
	QString childPathQstr = QString::fromStdWString(path.getWideString());
	QTreeWidgetItem *childItem = new QTreeWidgetItem(root, QStringList(childName) << childPathQstr);
	childItem->setFlags(childItem->flags() | Qt::ItemIsEditable);
	root->addChild(childItem);
	setCurrentItem(childItem);
}

//-----------------------------------------------------------------------------

void CastTreeViewer::rebuildCastTree()
{
	clear();
	ToonzScene *scene = TApp::instance()->getCurrentScene()->getScene();
	QString rootName = QString("Root");
	if (scene) {
		std::wstring name = (scene->isUntitled()) ? L"Untitled" : scene->getSceneName();
		rootName = rootName.fromStdWString(name);
	}

	QTreeWidgetItem *root = new QTreeWidgetItem((QTreeWidgetItem *)0, QStringList(rootName));
	static QPixmap clapboard(":Resources/clapboard.png");
	root->setIcon(0, clapboard);
	insertTopLevelItem(0, root);
	populateFolder(root);
}

//-----------------------------------------------------------------------------

QSize CastTreeViewer::sizeHint() const
{
	return QSize(100, 100);
}

//-----------------------------------------------------------------------------

void CastTreeViewer::paintEvent(QPaintEvent *event)
{
	QTreeWidget::paintEvent(event);
	QPainter p(viewport());
	if (m_dropTargetItem) {
		p.setPen(QColor(50, 105, 200));
		p.drawRect(visualItemRect(m_dropTargetItem).adjusted(0, 0, -1, 0));
	}
}

//-----------------------------------------------------------------------------

void CastTreeViewer::dragEnterEvent(QDragEnterEvent *e)
{
	m_dropFilePath = TFilePath();
	if (acceptResourceOrFolderDrop(e->mimeData()->urls())) {
		if (e->mimeData()->urls().size() != 1)
			return;
		TFilePath path(e->mimeData()->urls()[0].toLocalFile().toStdWString());

		if (path.getType() == "tnz")
			m_dropFilePath = path;
		else
			return;
	}
	if (!e->mimeData()->hasFormat("application/vnd.toonz.levels") && m_dropFilePath == TFilePath())
		return;
	m_dropTargetItem = itemAt(e->pos());
	if (m_dropTargetItem && m_dropTargetItem->data(0, Qt::DisplayRole).toString() == AudioFolderName)
		m_dropTargetItem = 0;

	e->acceptProposedAction();
	viewport()->update();
}

//-----------------------------------------------------------------------------

void CastTreeViewer::dragMoveEvent(QDragMoveEvent *event)
{
	if (!event->mimeData()->hasFormat("application/vnd.toonz.levels") || m_dropFilePath != TFilePath())
		return;

	m_dropTargetItem = itemAt(event->pos());
	ToonzScene *scene = TApp::instance()->getCurrentScene()->getScene();
	QString rootName = QString("Root");
	if (scene) {
		std::wstring name = (scene->isUntitled()) ? L"Untitled" : scene->getSceneName();
		rootName = rootName.fromStdWString(name);
	}
	if (m_dropTargetItem && m_dropTargetItem->data(0, Qt::DisplayRole).toString() == AudioFolderName ||
		m_dropFilePath != TFilePath() && m_dropTargetItem->data(0, Qt::DisplayRole).toString() == rootName)
		m_dropTargetItem = 0;

	if (!m_dropTargetItem)
		event->ignore();
	else
		event->acceptProposedAction();
	viewport()->update();
}

//-----------------------------------------------------------------------------

void CastTreeViewer::dropEvent(QDropEvent *event)
{
	m_dropTargetItem = 0;
	if (m_dropFilePath != TFilePath()) {
		IoCmd::loadScene(m_dropFilePath);
		m_dropFilePath = TFilePath();
		m_dropTargetItem = 0;
		update();
		return;
	}

	if (!event->mimeData()->hasFormat("application/vnd.toonz.levels"))
		return;
	m_dropTargetItem = itemAt(event->pos());
	if (!m_dropTargetItem)
		return;
	TFilePath folderPath(m_dropTargetItem->data(1, Qt::DisplayRole).toString().toStdWString());
	m_dropTargetItem = 0;
	update();

	if (folderPath.getName() == AudioFolderName) {
		event->ignore();
		return;
	}
	event->acceptProposedAction();

	TLevelSet *levelSet = getLevelSet();

	const CastItems *castItems = dynamic_cast<const CastItems *>(event->mimeData());
	assert(castItems);
	if (!castItems)
		return;
	int i;
	TUndoManager::manager()->beginBlock();
	for (i = 0; i < castItems->getItemCount(); i++) {
		CastItem *item = castItems->getItem(i);
		if (LevelCastItem *li = dynamic_cast<LevelCastItem *>(item)) {
			TXshLevel *level = li->getLevel();
			std::wstring levelName = level->getName();
			MoveLevelToFolderUndo *undo = new MoveLevelToFolderUndo(levelSet, levelName, folderPath);
			levelSet->moveLevelToFolder(folderPath, level);
			TUndoManager::manager()->add(undo);
		} else if (SoundCastItem *si = dynamic_cast<SoundCastItem *>(item)) {
		}
	}
	TUndoManager::manager()->endBlock();
	emit itemMovedToFolder();
}

//-----------------------------------------------------------------------------

void CastTreeViewer::dragLeaveEvent(QDragLeaveEvent *event)
{
	m_dropTargetItem = 0;
	m_dropFilePath = TFilePath();
	update();
}

//-----------------------------------------------------------------------------

void CastTreeViewer::onItemChanged(QTreeWidgetItem *item, int column)
{
	if (column != 0)
		return;
	if (item->isSelected()) {
		TFilePath oldPath(item->data(1, Qt::DisplayRole).toString().toStdWString());
		TFilePath newPath = getLevelSet()->renameFolder(oldPath, item->text(0).toStdWString());
		item->setText(1, QString::fromStdWString(newPath.getWideString()));
	}
}

//-----------------------------------------------------------------------------

TFilePath CastTreeViewer::getCurrentFolder() const
{
	if (!currentItem())
		return TFilePath();
	QVariant data = currentItem()->data(1, Qt::DisplayRole);
	if (data == QVariant())
		return TFilePath();
	return TFilePath(data.toString().toStdWString());
}

//-----------------------------------------------------------------------------

void CastTreeViewer::folderUp()
{
	QTreeWidgetItem *item = currentItem();
	if (item && item->parent() != (QTreeWidgetItem *)0)
		setCurrentItem(item->parent());
}

//-----------------------------------------------------------------------------

void CastTreeViewer::newFolder()
{
	QTreeWidgetItem *parentItem = currentItem();
	if (parentItem == (QTreeWidgetItem *)0)
		return;
	QString parentName = parentItem->data(0, Qt::DisplayRole).toString();
	if (parentName == AudioFolderName)
		return;

	TFilePath parentPath = TFilePath(parentItem->data(1, Qt::DisplayRole).toString().toStdWString());
	QString childName("New Folder");
	TFilePath childPath = parentPath + childName.toStdWString();
	QString childPathQstr = QString::fromStdWString(childPath.getWideString());
	QTreeWidgetItem *childItem = new QTreeWidgetItem(parentItem, QStringList(childName) << childPathQstr);
	childItem->setFlags(childItem->flags() | Qt::ItemIsEditable);
	parentItem->addChild(childItem);
	setCurrentItem(childItem);
	editItem(childItem);
	TLevelSet *levelSet = TApp::instance()->getCurrentScene()->getScene()->getLevelSet();
	levelSet->createFolder(parentPath, childName.toStdWString());
	TApp::instance()->getCurrentScene()->setDirtyFlag(true);
}

//-----------------------------------------------------------------------------

void CastTreeViewer::deleteFolder()
{
	QTreeWidgetItem *item = currentItem();
	if (!item || !item->parent())
		return;
	QString itemName = item->data(0, Qt::DisplayRole).toString();
	if (itemName == AudioFolderName)
		return;
	int ret = DVGui::MsgBox(tr("Delete folder ") + item->text(0) + "?", tr("Yes"), tr("No"), 1);
	if (ret == 2 || ret == 0)
		return;
	QTreeWidgetItem *parentItem = item->parent();

	TFilePath childPath(item->data(1, Qt::DisplayRole).toString().toStdWString());
	TLevelSet *levelSet = TApp::instance()->getCurrentScene()->getScene()->getLevelSet();
	levelSet->removeFolder(childPath);
	TApp::instance()->getCurrentScene()->setDirtyFlag(true);

	parentItem->removeChild(item);
	setCurrentItem(parentItem);
}

//=============================================================================
//
// CastBrowser
//
//-----------------------------------------------------------------------------

#if QT_VERSION >= 0x050500
CastBrowser::CastBrowser(QWidget *parent, Qt::WindowFlags flags)
#else
CastBrowser::CastBrowser(QWidget *parent, Qt::WFlags flags)
#endif
	: QSplitter(parent)
	, m_treeViewer(0)
	, m_folderName(0)
	, m_itemViewer(0)
	, m_castItems(new CastItems())
{
	// style sheet
	setObjectName("CastBrowser");
	setFrameStyle(QFrame::StyledPanel);
	setStyleSheet("QSplitter::handle {height:4px;}");
	setStyleSheet("#CastBrowser { margin:1px;border:0px }");

	m_treeViewer = new CastTreeViewer(this);
	m_treeViewer->resize(300, m_treeViewer->size().height());

	QFrame *box = new QFrame(this);
	box->setFrameStyle(QFrame::StyledPanel);
	QVBoxLayout *boxLayout = new QVBoxLayout(box);
	boxLayout->setMargin(0);
	boxLayout->setSpacing(0);

	m_folderName = new QLabel("", box);
	m_folderName->setFrameStyle(QFrame::StyledPanel);
	m_folderName->setStyleSheet("border-bottom: 1px solid black");
	m_itemViewer = new DvItemViewer(box, false, true, DvItemViewer::Cast);
	DvItemViewerPanel *viewerPanel = m_itemViewer->getPanel();
	viewerPanel->setMissingTextColor(QColor(200, 0, 0));
	CastSelection *castSelection = new CastSelection();
	castSelection->setBrowser(this);
	viewerPanel->setSelection(castSelection);
	viewerPanel->addColumn(DvItemListModel::FrameCount, 50);
	m_itemViewer->setModel(this);

	DvItemViewerTitleBar *titleBar = new DvItemViewerTitleBar(m_itemViewer, box);
	//titleBar->hide();
	DvItemViewerButtonBar *buttonBar = new DvItemViewerButtonBar(m_itemViewer, box);

	boxLayout->addWidget(m_folderName);
	boxLayout->addWidget(titleBar);
	boxLayout->addWidget(m_itemViewer);
	boxLayout->addWidget(buttonBar);

	boxLayout->setAlignment(buttonBar, Qt::AlignBottom);
	box->setLayout(boxLayout);

	addWidget(m_treeViewer);
	addWidget(box);

	setStretchFactor(1, 2);

	TSceneHandle *sceneHandle = TApp::instance()->getCurrentScene();

	connect(
		sceneHandle, SIGNAL(sceneSwitched()),
		this, SLOT(refresh()));
	connect(
		sceneHandle, SIGNAL(castChanged()),
		this, SLOT(refresh()));

	TXsheetHandle *xhseetHandle = TApp::instance()->getCurrentXsheet();
	connect(xhseetHandle, SIGNAL(xsheetChanged()), m_itemViewer, SLOT(update()));

	connect(buttonBar, SIGNAL(folderUp()), m_treeViewer, SLOT(folderUp()));
	connect(buttonBar, SIGNAL(newFolder()), m_treeViewer, SLOT(newFolder()));

	connect(m_treeViewer, SIGNAL(currentItemChanged(QTreeWidgetItem *, QTreeWidgetItem *)),
			this, SLOT(folderChanged(QTreeWidgetItem *, QTreeWidgetItem *)));

	connect(m_treeViewer, SIGNAL(itemMovedToFolder()),
			this, SLOT(refresh()));
}

//-----------------------------------------------------------------------------

CastBrowser::~CastBrowser()
{
}

//-----------------------------------------------------------------------------

void CastBrowser::sortByDataModel(DataType dataType, bool isDiscendent)
{
	if (dataType != getCurrentOrderType()) {
		//Sort by another dataType
		int i;
		for (i = 1; i < m_castItems->getItemCount(); i++) {
			int index = i;
			while (index > 0 && compareData(dataType, index - 1, index) > 0) {
				m_castItems->swapItem(index - 1, index);
				index = index - 1;
			}
		}
		setIsDiscendentOrder(true);
		setOrderType(dataType);
	}
	//Sort by order (invert current)
	if (isDiscendentOrder() != isDiscendent) {
		setIsDiscendentOrder(isDiscendent);
		std::vector<CastItem *> items;
		for (int i = 0; i < m_castItems->getItemCount(); i++)
			items.push_back(m_castItems->getItem(i)->clone());
		m_castItems->clear();
		for (int i = items.size() - 1; i >= 0; i--)
			m_castItems->addItem(items[i]);
	}

	m_itemViewer->getPanel()->update();
}

//-----------------------------------------------------------------------------

void CastBrowser::folderChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous)
{
	refresh();
}

//-----------------------------------------------------------------------------

void CastBrowser::refresh()
{
	if (isHidden())
		return;
	refreshData();
	m_itemViewer->refresh();
}

//-----------------------------------------------------------------------------

/*
void CastBrowser::getLevels(std::vector<TXshLevel*> &levels) const
{
  TLevelSet *levelSet = CastTreeViewer::getLevelSet();
  TFilePath folder = m_treeViewer->getCurrentFolder();
  if(folder != TFilePath())
    levelSet->listLevels(levels, folder);
  else
    levelSet->listLevels(levels);
}
*/

//-----------------------------------------------------------------------------

void CastBrowser::refreshData()
{
	m_castItems->clear();
	TLevelSet *levelSet = CastTreeViewer::getLevelSet();
	TFilePath folder = m_treeViewer->getCurrentFolder();
	m_folderName->setText(toQString(folder));
	std::vector<TXshLevel *> levels;
	if (folder != TFilePath())
		levelSet->listLevels(levels, folder);
	else
		levelSet->listLevels(levels);

	int i;
	for (i = 0; i < (int)levels.size(); i++) {
		if (levels[i]->getSimpleLevel())
			m_castItems->addItem(new LevelCastItem(levels[i], m_itemViewer->getPanel()->getIconSize()));
		else if (levels[i]->getPaletteLevel())
			m_castItems->addItem(new PaletteCastItem(levels[i]->getPaletteLevel(),
													 m_itemViewer->getPanel()->getIconSize()));
		else if (levels[i]->getSoundLevel())
			m_castItems->addItem(new SoundCastItem(levels[i]->getSoundLevel(),
												   m_itemViewer->getPanel()->getIconSize()));
	}
}

//-----------------------------------------------------------------------------

int CastBrowser::getItemCount() const
{
	return m_castItems->getItemCount();
}

//-----------------------------------------------------------------------------

QVariant CastBrowser::getItemData(int index, DataType dataType, bool isSelected)
{
	if (index < 0 || index >= getItemCount())
		return QVariant();
	CastItem *item = m_castItems->getItem(index);
	if (dataType == Name)
		return item->getName();
	else if (dataType == Thumbnail)
		return item->getPixmap(isSelected);
	else if (dataType == ToolTip)
		return item->getToolTip();
	else if (dataType == FrameCount)
		return item->getFrameCount();
	else if (dataType == VersionControlStatus) {
		if (!item->exists())
			return VC_Missing;
		else
			return 0; // No version control status displayed
	} else
		return QVariant();
}

//-----------------------------------------------------------------------------

/*
TXshSimpleLevel *CastBrowser::getSelectedSimpleLevel() const
{
  const std::set<int> &indices = m_itemViewer->getSelectedIndices();
  if(indices.empty()) return 0;

  int index = *indices.begin();

  std::vector<TXshLevel*> levels;
  getLevels(levels);

  if(index<0 || index>=(int)levels.size()) return 0;
  TXshLevel*level = levels[index];
  if(!level) return 0;
  else return level->getSimpleLevel();
}
*/

//-----------------------------------------------------------------------------

void CastBrowser::startDragDrop()
{
	TRepetitionGuard guard;
	if (!guard.hasLock())
		return;

	const std::set<int> &indices = m_itemViewer->getSelectedIndices();
	if (indices.empty())
		return;
	QDrag *drag = new QDrag(this);

	QVariant v = getItemData(*indices.begin(), Thumbnail);
	if (v != QVariant()) {
		QPixmap dropThumbnail = v.value<QPixmap>();
		if (!dropThumbnail.isNull())
			drag->setPixmap(dropThumbnail);
	}
	drag->setMimeData(m_castItems->getSelectedItems(indices));
	Qt::DropAction dropAction = drag->exec(Qt::CopyAction | Qt::MoveAction);
}

//-----------------------------------------------------------------------------

bool CastBrowser::acceptDrop(const QMimeData *data) const
{
	return acceptResourceOrFolderDrop(data->urls());
}

//-----------------------------------------------------------------------------

bool CastBrowser::drop(const QMimeData *data)
{
	if (!acceptDrop(data))
		return false;

	if (data->hasUrls()) {
		IoCmd::LoadResourceArguments args;

		foreach (const QUrl &url, data->urls()) {
			TFilePath fp(url.toLocalFile().toStdWString());
			args.resourceDatas.push_back(fp);
		}

		args.castFolder = m_treeViewer->getCurrentFolder();

		IoCmd::loadResources(args);
	}

	refresh();
	return true;
}

//-----------------------------------------------------------------------------

QMenu *CastBrowser::getContextMenu(QWidget *parent, int index)
{
	const std::set<int> &indices = m_itemViewer->getSelectedIndices();
	if (indices.empty()) {
		QMenu *menu = new QMenu(parent);
		menu->addAction(CommandManager::instance()->getAction(MI_RemoveUnused));
		return menu;
	}
	// controllo cosa c'e' nella selezione.
	// => audioSelected, vectorLevelSelected, paletteSelected
	std::set<int>::const_iterator it;
	bool audioSelected = false;
	bool paletteSelected = false;
	bool vectorLevelSelected = false;
	bool otherFileSelected = false;
	int levelSelectedCount = 0;
	for (it = indices.begin(); it != indices.end(); ++it) {
		int index = *it;
		if (index < 0 || index >= m_castItems->getItemCount())
			continue; // non dovrebbe mai succedere
		TXshSimpleLevel *sl = m_castItems->getItem(index)->getSimpleLevel();
		if (!sl) {
			if (m_castItems->getItem(index)->getPaletteLevel())
				paletteSelected = true;
			else
				audioSelected = true;
			continue;
		}
		levelSelectedCount++;
		if (sl->getType() == PLI_XSHLEVEL)
			vectorLevelSelected = true;
		else
			otherFileSelected = true;
	}
	QMenu *menu = new QMenu(parent);
	CommandManager *cm = CommandManager::instance();

	menu->addAction(cm->getAction(MI_LevelSettings));

	menu->addAction(cm->getAction(MI_ExposeResource));
	menu->addAction(cm->getAction(MI_ShowFolderContents));
	menu->addAction(cm->getAction(MI_ViewFile));
	menu->addAction(cm->getAction(MI_FileInfo));
	if (audioSelected && !paletteSelected && !vectorLevelSelected && !otherFileSelected)
		return menu;

	// MI_EditLevel solo se e' stato selezionato un singolo diverso da livelli palette a livelli audio
	if (indices.size() == 1 && !audioSelected && !paletteSelected)
		menu->addAction(cm->getAction(MI_EditLevel));
	if (!paletteSelected)
		menu->addAction(cm->getAction(MI_SaveLevel));
	menu->addSeparator();
	// MI_ConvertToVectors se sono stati selezionati solo livelli non vettoriali
	if (!audioSelected && !paletteSelected && !vectorLevelSelected)
		menu->addAction(cm->getAction(MI_ConvertToVectors));
	menu->addSeparator();
	menu->addAction(cm->getAction(MI_RemoveLevel));
	menu->addAction(cm->getAction(MI_RemoveUnused));

	return menu;
}

//-----------------------------------------------------------------------------

void CastBrowser::expose()
{
	std::set<int> selectedIndices = m_itemViewer->getPanel()->getSelectedIndices();
	TUndoManager::manager()->beginBlock();
	for (int index : selectedIndices) {
		CastItem *item = m_castItems->getItem(index);
		TXshSimpleLevel *sl = item->getSimpleLevel();
		TXshPaletteLevel *pl = item->getPaletteLevel();
		TXshSoundLevel *soundl = item->getSoundLevel();
		if (sl)
			FilmstripCmd::moveToScene(sl);
		else if (pl)
			FilmstripCmd::moveToScene(pl);
		else if (soundl)
			FilmstripCmd::moveToScene(soundl);
	}
	TUndoManager::manager()->endBlock();
}

//-----------------------------------------------------------------------------

void CastBrowser::edit()
{
	CastSelection *castSelection = dynamic_cast<CastSelection *>(TSelection::getCurrent());
	if (!castSelection)
		return;
	std::vector<TXshLevel *> levels;
	castSelection->getSelectedLevels(levels);
	if ((int)levels.size() == 1) {
		TXshLevel *l = levels[0];
		if (l) {
			TXshSimpleLevel *sl = l->getSimpleLevel();
			if (sl) {
				TApp::instance()->getCurrentLevel()->setLevel(sl);
				return;
			}
		}
		error(tr("It is not possible to edit the selected file."));
	} else
		error(tr("It is not possible to edit more than one file at once."));
}

//-----------------------------------------------------------------------------

void CastBrowser::showFolderContents()
{
	int i = 0;
	CastSelection *castSelection = dynamic_cast<CastSelection *>(TSelection::getCurrent());
	if (!castSelection)
		return;
	std::vector<TXshLevel *> levels;
	castSelection->getSelectedLevels(levels);
	ToonzScene *scene = TApp::instance()->getCurrentScene()->getScene();
	TFilePath folderPath, filePath;
	for (i = 0; i < levels.size(); i++) {
		folderPath = levels[i]->getPath().getParentDir();
		filePath = levels[i]->getPath();

		folderPath = scene->decodeFilePath(folderPath);
		filePath = scene->decodeFilePath(filePath);

		if (!TSystem::doesExistFileOrLevel(filePath)) {
			error(tr("It is not possible to show the folder containing the selected file, as the file has not been saved yet."));
		} else {
			if (TSystem::isUNC(folderPath))
				QDesktopServices::openUrl(QUrl(QString::fromStdWString(folderPath.getWideString())));
			else
				QDesktopServices::openUrl(QUrl::fromLocalFile(QString::fromStdWString(folderPath.getWideString())));
		}
	}
}
//-----------------------------------------------------------------------------

void CastBrowser::viewFile()
{
	CastSelection *castSelection = dynamic_cast<CastSelection *>(TSelection::getCurrent());
	if (!castSelection)
		return;
	std::vector<TXshLevel *> levels;
	castSelection->getSelectedLevels(levels);
	ToonzScene *scene = TApp::instance()->getCurrentScene()->getScene();
	TFilePath filePath;
	if (levels.empty())
		return;
	int i = 0;
	for (i = 0; i < levels.size(); i++) {
		filePath = levels[i]->getPath();

		filePath = scene->decodeFilePath(filePath);
		if (!TSystem::doesExistFileOrLevel(filePath)) {
			error(tr("It is not possible to view the selected file, as the file has not been saved yet."));
		} else {
			if (!TFileType::isViewable(TFileType::getInfo(filePath)))
				return;

			if (Preferences::instance()->isDefaultViewerEnabled() &&
				(filePath.getType() == "mov" || filePath.getType() == "avi" || filePath.getType() == "3gp"))
				QDesktopServices::openUrl(QUrl("file:///" + toQString(filePath)));
			else
				::viewFile(filePath);
		}
	}
}

//-----------------------------------------------------------------------------

void CastBrowser::viewFileInfo()
{
	CastSelection *castSelection = dynamic_cast<CastSelection *>(TSelection::getCurrent());
	if (!castSelection)
		return;
	std::vector<TXshLevel *> levels;
	castSelection->getSelectedLevels(levels);
	ToonzScene *scene = TApp::instance()->getCurrentScene()->getScene();
	int i = 0;

	if (levels.empty()) {
		return;
	} else {
		for (i = 0; i < levels.size(); i++) {
			TFilePath filePath;
			filePath = levels[i]->getPath();

			filePath = scene->decodeFilePath(filePath);
			if (!TSystem::doesExistFileOrLevel(filePath)) {
				error(tr("It is not possible to show the info of the selected file, as the file has not been saved yet."));
			} else {
				InfoViewer *infoViewer = 0;
				infoViewer = new InfoViewer(this);
				infoViewer->setItem(0, 0, filePath);
			}
		}
	}
}
//=============================================================================

OpenFloatingPanel openCastPane(MI_OpenFileBrowser2, "SceneCast", QObject::tr("Scene Cast"));