/** 
 * @file llpanelmaininventory.h
 * @brief llpanelmaininventory.h
 * class definition
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#ifndef LL_LLPANELMAININVENTORY_H
#define LL_LLPANELMAININVENTORY_H

#include "llpanel.h"
#include "llinventoryobserver.h"
#include "llinventorypanel.h"
#include "lldndbutton.h"

#include "llfolderview.h"

class LLComboBox;
class LLInventoryPanel;
class LLInventoryGallery;
class LLFilterEditor;
class LLFloater;
class LLFloaterInventoryFinder;
class LLFloaterSidePanelContainer;
class LLFolderViewItem;
class LLMenuButton;
class LLMenuGL;
class LLSaveFolderState;
class LLScrollContainer;
class LLSidepanelInventory;
class LLTabContainer;
class LLToggleableMenu;

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLPanelMainInventory
//
// This is a panel used to view and control an agent's inventory,
// including all the fixin's (e.g. AllItems/RecentItems tabs, filter floaters).
//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLPanelMainInventory : public LLPanel, LLInventoryObserver
{
public:
	friend class LLFloaterInventoryFinder;

	LLPanelMainInventory(const LLPanel::Params& p = getDefaultParams());
	~LLPanelMainInventory();

	BOOL postBuild();

    enum EViewModeType
    {
        MODE_LIST,
        MODE_GALLERY,
        MODE_COMBINATION
    };

	virtual BOOL handleKeyHere(KEY key, MASK mask);

	// Inherited functionality
	/*virtual*/ BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
									   EDragAndDropType cargo_type,
									   void* cargo_data,
									   EAcceptance* accept,
									   std::string& tooltip_msg);
	/*virtual*/ void changed(U32);
    /*virtual*/ void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
	/*virtual*/ void draw();
	/*virtual*/ void onVisibilityChange ( BOOL new_visibility );

	LLInventoryPanel* getPanel() { return mActivePanel; }
	LLInventoryPanel* getActivePanel() { return mActivePanel; }
	LLInventoryPanel* getAllItemsPanel();
	void selectAllItemsPanel();
	const LLInventoryPanel* getActivePanel() const { return mActivePanel; }
    void setActivePanel();

	bool isRecentItemsPanelSelected();

	const std::string& getFilterText() const { return mFilterText; }
	
	void setSelectCallback(const LLFolderView::signal_t::slot_type& cb);

	void onFilterEdit(const std::string& search_string );

	void setFocusFilterEditor();

	static LLFloaterSidePanelContainer* newWindow();
    static void newFolderWindow(LLUUID folder_id = LLUUID(), LLUUID item_to_select = LLUUID());

	void toggleFindOptions();

    void resetFilters();
    void resetAllItemsFilters();

    void findLinks(const LLUUID& item_id, const std::string& item_name);

    void onViewModeClick();
    void toggleViewMode();
    void onUpFolderClicked();
    void onBackFolderClicked();
    void onForwardFolderClicked();
    void setSingleFolderViewRoot(const LLUUID& folder_id, bool clear_nav_history = true);
    void setGallerySelection(const LLUUID& item_id, bool new_window = false);
    LLUUID getSingleFolderViewRoot();
    bool isSingleFolderMode() { return mSingleFolderMode; }

    void scrollToGallerySelection();
    void scrollToInvPanelSelection();

    void setViewMode(EViewModeType mode);
    bool isListViewMode() { return (mViewMode == MODE_LIST); }
    bool isGalleryViewMode() { return (mViewMode == MODE_GALLERY); }
    bool isCombinationViewMode() { return (mViewMode == MODE_COMBINATION); }
    LLUUID getCurrentSFVRoot();
    std::string getLocalizedRootName();

    LLInventoryFilter& getCurrentFilter();

protected:
	//
	// Misc functions
	//
	void setFilterTextFromFilter();
	void startSearch();
	
	void onSelectionChange(LLInventoryPanel *panel, const std::deque<LLFolderViewItem*>& items, BOOL user_action);

	static BOOL filtersVisible(void* user_data);
	void onClearSearch();
	
	static BOOL incrementalFind(LLFolderViewItem* first_item, const char *find_text, BOOL backward);
	void onFilterSelected();

	const std::string getFilterSubString();
	void setFilterSubString(const std::string& string);

	// menu callbacks
	void doToSelected(const LLSD& userdata);
	void closeAllFolders();
	void doCreate(const LLSD& userdata);
	void setSortBy(const LLSD& userdata);
	void saveTexture(const LLSD& userdata);
	bool isSaveTextureEnabled(const LLSD& userdata);
	void updateItemcountText();

    void updateCombinationVisibility();

	void onFocusReceived();
	void onSelectSearchType();
	void updateSearchTypeCombo();
    void setSearchType(LLInventoryFilter::ESearchType type);

    LLSidepanelInventory* getParentSidepanelInventory();

private:
	LLFloaterInventoryFinder* getFinder();

	LLFilterEditor*				mFilterEditor;
	LLTabContainer*				mFilterTabs;
	LLUICtrl*					mCounterCtrl;
	LLHandle<LLFloater>			mFinderHandle;
	LLInventoryPanel*			mActivePanel;
	LLInventoryPanel*			mWornItemsPanel;
	bool						mResortActivePanel;
	LLSaveFolderState*			mSavedFolderState;
	std::string					mFilterText;
	std::string					mFilterSubString;
	S32							mItemCount;
	std::string					mItemCountString;
	S32							mCategoryCount;
	std::string					mCategoryCountString;
	LLComboBox*					mSearchTypeCombo;

    bool mSingleFolderMode;
    EViewModeType mViewMode;
    LLInventorySingleFolderPanel* mSingleFolderPanelInventory;
    LLInventoryGallery* mInventoryGalleryPanel;

    LLScrollContainer* mCombinationScrollPanel;
    LLInventorySingleFolderPanel* mCombinationInventoryPanel;
    LLInventoryGallery* mCombinationGalleryPanel;
    LLView* mCombinationScroller;

    boost::signals2::connection mListViewRootUpdatedConnection;
    boost::signals2::connection mGalleryRootUpdatedConnection;

	//////////////////////////////////////////////////////////////////////////////////
	// List Commands                                                                //
protected:
	void initListCommandsHandlers();
	void updateListCommands();
	void onAddButtonClick();
	void showActionMenu(LLMenuGL* menu, std::string spawning_view_name);
	void onClipboardAction(const LLSD& userdata);
	BOOL isActionEnabled(const LLSD& command_name);
	BOOL isActionChecked(const LLSD& userdata);
	void onCustomAction(const LLSD& command_name);
    bool isActionVisible(const LLSD& userdata);
    static bool hasSettingsInventory();
    void updateTitle();
    void updateNavButtons();
    
    void onCombinationRootChanged(bool gallery_clicked);
    void onCombinationGallerySelectionChanged(const LLUUID& category_id);
    void onCombinationInventorySelectionChanged(const std::deque<LLFolderViewItem*>& items, BOOL user_action);
	/**
	 * Set upload cost in "Upload" sub menu.
	 */
	void setUploadCostIfNeeded();
    void disableAddIfNeeded();
private:
	LLToggleableMenu*			mMenuGearDefault;
    LLToggleableMenu*           mMenuViewDefault;
	LLToggleableMenu*			mMenuVisibility;
	LLMenuButton*				mGearMenuButton;
    LLMenuButton*               mViewMenuButton;
	LLMenuButton*				mVisibilityMenuButton;
	LLHandle<LLView>			mMenuAddHandle;

	bool						mNeedUploadCost;

    bool                        mForceShowInvLayout;
    bool                        mCombinationShapeDirty;
    bool                        mDelayedCombGalleryScroll;
    bool                        mDelayedCombInvPanelScroll;
	// List Commands                                                              //
	////////////////////////////////////////////////////////////////////////////////
};

#endif // LL_LLPANELMAININVENTORY_H