/**
 * @file llviewertexteditor.h
 * @brief Text editor widget to let users enter a multi-line document//
 *
 * $LicenseInfo:firstyear=2001&license=viewergpl$
 *
 * Copyright (c) 2001-2009, Linden Research, Inc.
 *
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 *
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 *
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 *
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#ifndef LL_VIEWERTEXTEDITOR_H
#define LL_VIEWERTEXTEDITOR_H

#include "lltexteditor.h"

class LLViewerTextEditor final : public LLTextEditor
{
public:
	LLViewerTextEditor(const std::string& name, const LLRect& rect,
					   S32 max_length,
					   const std::string& default_text = std::string(),
					   LLFontGL* glfont = NULL,
					   bool allow_embedded_items = false);

	~LLViewerTextEditor() override;

	LL_INLINE void setSourceID(const LLUUID& id)	{ mSourceID = id; }

	void makePristine() override;

	const std::string& getTag() const override;

	LLXMLNodePtr getXML(bool save_children = true) const override;

	static LLView* fromXML(LLXMLNodePtr nodep, LLView* parentp,
						   LLUICtrlFactory*);

	// Mouse handler overrides
	bool handleMouseDown(S32 x, S32 y, MASK mask) override;
	bool handleMouseUp(S32 x, S32 y, MASK mask) override;
	bool handleMiddleMouseDown(S32 x, S32 y, MASK mask) override;
	bool handleMiddleMouseUp(S32 x, S32 y, MASK mask) override;
	bool handleRightMouseDown(S32 x, S32 y, MASK mask) override;
	bool handleHover(S32 x, S32 y, MASK mask) override;
	bool handleDoubleClick(S32 x, S32 y, MASK mask) override;

	bool handleToolTip(S32 x, S32 y, std::string& msg, LLRect* rect) override;
	bool handleDragAndDrop(S32 x, S32 y, MASK mask, bool drop,
						   EDragAndDropType cargo_type, void* cargo_data,
						   EAcceptance* accept, std::string& tooltip) override;

  	LL_INLINE const class LLInventoryItem* getDragItem() const
	{
		return mDragItem;
	}

	virtual bool importStream(std::istream& str);
	bool importBuffer(const char* buffer, S32 length) override;
	bool exportBuffer(std::string& buffer) override;

	LL_INLINE void setNotecardObjectID(const LLUUID& object_id)
	{
		mObjectID = object_id;
	}

	LL_INLINE void setNotecardInfo(const LLUUID& notecard_item_id,
								   const LLUUID& object_id)
	{
		mNotecardInventoryID = notecard_item_id;
		mObjectID = object_id;
	}

	void setASCIIEmbeddedText(const std::string& instr);
	void setEmbeddedText(const std::string& instr);
	std::string getEmbeddedText();

	// Appends Second Life time, small font, grey.
	// If this starts a line, you need to prepend a newline.
	std::string appendTime(bool prepend_newline);

	void copyInventory(const LLInventoryItem* item, U32 callback_id = 0);

	// Returns true if there is embedded inventory.
	// *HACK: This is only useful because the notecard verifier may
	// change the asset if there is embedded inventory. This mechanism
	// should be changed to get a different asset id from the verifier
	// rather than checking if a re-load is necessary. Phoenix 2007-02-27
	bool hasEmbeddedInventory();

private:
	// Embedded object operations
	llwchar	pasteEmbeddedItem(llwchar ext_char) override;
	void bindEmbeddedChars(LLFontGL* font) const override;
	void unbindEmbeddedChars(LLFontGL* font) const override;

	bool getEmbeddedItemToolTipAtPos(S32 pos, LLWString& wmsg) const;
	bool openEmbeddedItemAtPos(S32 pos);
	bool openEmbeddedItem(LLInventoryItem* item, llwchar wc);

	S32 insertEmbeddedItem(S32 pos, LLInventoryItem* item);

	void openEmbeddedTexture(LLInventoryItem* item, llwchar wc);
	void openEmbeddedSound(LLInventoryItem* item, llwchar wc);
	void openEmbeddedLandmark(LLInventoryItem* item, llwchar wc);
	void openEmbeddedNotecard(LLInventoryItem* item, llwchar wc);
	void openEmbeddedCallingcard(LLInventoryItem* item, llwchar);
	void showCopyToInvDialog(LLInventoryItem* item, llwchar wc);
	void showUnsavedAlertDialog(LLInventoryItem* item);

	bool onCopyToInvDialog(const LLSD& notification, const LLSD& response);
	static bool onNotecardDialog(const LLSD& notif, const LLSD& response);

private:
	LLPointer<class LLEmbeddedNotecardOpener> mInventoryCallback;
	LLPointer<LLInventoryItem>	mDragItem;
	class LLEmbeddedItems*		mEmbeddedItemList;
	LLUUID						mSourceID;
	LLUUID						mObjectID;
	LLUUID						mNotecardInventoryID;
	llwchar						mDragItemChar;
	bool						mDragItemSaved;

	// Inner class
	class LLTextCmdInsertEmbeddedItem;
};

#endif  // LL_VIEWERTEXTEDITOR_H