/*

 *  The ManaPlus Client

 *  Copyright (C) 2004-2009  The Mana World Development Team

 *  Copyright (C) 2009-2010  The Mana Developers

 *  Copyright (C) 2011-2019  The ManaPlus Developers

 *  Copyright (C) 2019-2021  Andrei Karas

 *

 *  This file is part of The ManaPlus Client.

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  any later version.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#ifndef GUI_WINDOWS_INVENTORYWINDOW_H

#define GUI_WINDOWS_INVENTORYWINDOW_H

#include "resources/inventory/inventory.h"

#include "gui/widgets/window.h"

#include "listeners/actionlistener.h"

#include "listeners/attributelistener.h"

#include "listeners/inventorylistener.h"

#include "listeners/keylistener.h"

#include "listeners/selectionlistener.h"

class Button;

class DropDown;

class InventoryWindow;

class Item;

class ItemContainer;

class LayoutCell;

class ProgressBar;

class SortListModelInv;

class TabStrip;

class TextField;

extern InventoryWindow *inventoryWindow;

extern InventoryWindow *storageWindow;

extern InventoryWindow *cartWindow;

/**

 * Inventory dialog.

 *

 * \ingroup Interface

 */

class InventoryWindow final : public Window,

                              public ActionListener,

                              public KeyListener,

                              public SelectionListener,

                              public InventoryListener,

                              public AttributeListener

{

    public:

        /**

         * Constructor.

         */

        explicit InventoryWindow(Inventory *const inventory);

        A_DELETE_COPY(InventoryWindow)

        /**

         * Destructor.

         */

        ~InventoryWindow() override final;

        void postInit() override final;

        void storeSortOrder() const;

        /**

         * Called when receiving actions from the widgets.

         */

        void action(const ActionEvent &event) override final;

        /**

         * Returns the selected item.

         */

        Item* getSelectedItem() const A_WARN_UNUSED;

        /**

         * Unselect item

         */

        void unselectItem();

        /**

         * Handles closing of the window

         */

        void widgetHidden(const Event &event) override final;

        /**

         * Handles the mouse clicks.

         */

        void mouseClicked(MouseEvent &event) override final;

        /**

         * Handles the key presses.

         */

        void keyPressed(KeyEvent &event) override final;

        /**

         * Handles the key releases.

         */

        void keyReleased(KeyEvent &event) override final;

        /**

         * Updates labels to currently selected item.

         */

        void valueChanged(const SelectionEvent &event) override final;

        /**

         * Closes the Storage Window, as well as telling the server that the

         * window has been closed.

         */

        void close() override final;

        void slotsChanged(const Inventory *const inventory) override final;

        bool isMainInventory() const A_WARN_UNUSED

        {

            return mInventory != nullptr ?

                mInventory->isMainInventory() : false;

        }

        /**

         * Returns true if any instances exist.

         */

        static bool isStorageActive() A_WARN_UNUSED

        void updateDropButton();

        void updateButtons(const Item *item);

        bool isInputFocused() const A_WARN_UNUSED;

        void widgetResized(const Event &event) override final;

        void mouseMoved(MouseEvent &event) override final;

        void mouseExited(MouseEvent &event) override final;

        void setVisible(Visible visible) override final;

        void unsetInventory();

        void attributeChanged(const AttributesT id,

                              const int64_t oldVal,

                              const int64_t newVal) override final;

        void combineItems(const int index1,

                          const int index2);

        void moveItemToCraft(const int craftSlot);

        static bool isAnyInputFocused();

        static InventoryWindow *getFirstVisible();

        static void nextTab();

        static void prevTab();

    private:

        /**

         * Updates the weight bar.

         */

        void updateWeight();

        typedef std::list<InventoryWindow*> WindowList;

        static WindowList invInstances;

        Inventory *mInventory;

        ItemContainer *mItems A_NONNULLPOINTER;

        Button *mUseButton;

        Button *mDropButton;

        Button *mOutfitButton;

        Button *mShopButton;

        Button *mCartButton;

        Button *mEquipmentButton;

        Button *mStoreButton;

        Button *mRetrieveButton;

        Button *mInvCloseButton;

        ProgressBar *mWeightBar;

        ProgressBar *mSlotsBar A_NONNULLPOINTER;

        TabStrip *mFilter;

        SortListModelInv *mSortModel A_NONNULLPOINTER;

        DropDown *mSortDropDown A_NONNULLPOINTER;

        TextField *mNameFilter A_NONNULLPOINTER;

        LayoutCell *mSortDropDownCell;

        LayoutCell *mNameFilterCell;

        LayoutCell *mFilterCell;

        LayoutCell *mSlotsBarCell;

        bool mSplit;

        bool mCompactMode;

};

#endif  // GUI_WINDOWS_INVENTORYWINDOW_H