#pragma once

#ifndef PALETTEVIEWER_H

#define PALETTEVIEWER_H

#include "paletteviewergui.h"

#include "toonz/tpalettehandle.h"

#undef DVAPI

#undef DVVAR

#ifdef TOONZQT_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

// forward declaration

class QScrollArea;

class QToolBar;

class PaletteKeyframeNavigator;

class TFrameHandle;

using namespace PaletteViewerGUI;

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

class DVAPI ChangeStyleCommand {

public:

  ChangeStyleCommand() {}

  virtual ~ChangeStyleCommand() {}

  virtual bool onStyleChanged() = 0;

};

// DAFARE: non mi piace, forse e' meglio un comando esterno!!

class TXsheetHandle;

//=============================================================================

// PaletteViewer

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

class DVAPI PaletteViewer final : public QFrame {

  Q_OBJECT

public:

  PaletteViewer(QWidget *parent = 0, PaletteViewType viewType = LEVEL_PALETTE,

                bool hasSaveToolBar = true, bool hasPageCommand = true,

                bool hasPasteColors = true);

  ~PaletteViewer();

  const TPaletteHandle *getPaletteHandle() const { return m_paletteHandle; }

  void setPaletteHandle(TPaletteHandle *paletteHandle);

  const TFrameHandle *getFrameHandle() const { return m_frameHandle; }

  void setFrameHandle(TFrameHandle *frameHandle);

  const TXsheetHandle *getXsheetHandle() const { return m_xsheetHandle; }

  void setXsheetHandle(TXsheetHandle *xsheetHandle);

  // for clearing level cache after "paste style" command called from style

  // selection

  void setLevelHandle(TXshLevelHandle *levelHandle);

  TPalette *getPalette();

  void setChangeStyleCommand(ChangeStyleCommand *);  // gets ownership

  ChangeStyleCommand *getChangeStyleCommand() const {

    return m_changeStyleCommand;

  }

  int getViewMode() const { return m_pageViewer->getViewMode(); }

  void setViewMode(int mode) {

    m_pageViewer->setViewMode((PaletteViewerGUI::PageViewer::ViewMode)mode);

  }

  void updateView();

  void enableSaveAction(bool enable);

protected:

  TPaletteHandle *m_paletteHandle;

  TFrameHandle *m_frameHandle;

  TXsheetHandle *m_xsheetHandle;

  QScrollArea *m_pageViewerScrollArea;

  PaletteViewerGUI::PageViewer *m_pageViewer;

  TabBarContainter *m_tabBarContainer;

  PaletteTabBar *m_pagesBar;

  QToolBar *m_paletteToolBar;

  QToolBar *m_savePaletteToolBar;

  int m_indexPageToDelete;

  PaletteViewType m_viewType;

  PaletteKeyframeNavigator *m_keyFrameButton;

  ChangeStyleCommand *m_changeStyleCommand;

  bool m_hasSavePaletteToolbar;

  bool m_hasPageCommand;

  bool m_isSaveActionEnabled;

  QAction *m_lockPaletteAction;

  QToolButton *m_lockPaletteToolButton;

protected:

  void createTabBar();

  void createToolBar() {

    createPaletteToolBar();

    createSavePaletteToolBar();

  }

  void createPaletteToolBar();

  void createSavePaletteToolBar();

  void updateTabBar();

  void updateToolBar() {

    updatePaletteToolBar();

    updateSavePaletteToolBar();

  }

  void updatePaletteToolBar();

  void updateSavePaletteToolBar();

  void resizeEvent(QResizeEvent *event) override;

  void contextMenuEvent(QContextMenuEvent *event) override;

  void showEvent(QShowEvent *) override;

  void hideEvent(QHideEvent *) override;

  void dragEnterEvent(QDragEnterEvent *event) override;

  void dropEvent(QDropEvent *event) override;

  void clearStyleSelection();

protected slots:

  void setPageView(int currentIndexPage);

  void addNewPage();

  void addNewColor();

  void deletePage();

  void saveStudioPalette();

  void onColorStyleSwitched();

  void onPaletteChanged();

  void onPaletteSwitched();

  void onFrameSwitched();

  void onTabTextChanged(int tabIndex);

  void onViewMode(QAction *);

  void changeWindowTitle();

  void movePage(int srcIndex, int dstIndex);

  void startDragDrop();

  void onNameDisplayMode(QAction *);

  void setIsLocked(bool lock);

};

#endif  // PALETTEVIEWER_H