/** 
 * @file llnameeditor.cpp
 * @brief Name Editor to refresh a name.
 *
 * $LicenseInfo:firstyear=2003&license=viewergpl$
 * 
 * Copyright (c) 2003-2009, 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.
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"
 
#include "llnameeditor.h"
#include "llcachename.h"
#include "llagent.h"

#include "llfontgl.h"

#include "lluuid.h"
#include "llrect.h"
#include "llstring.h"
#include "llui.h"

static LLRegisterWidget<LLNameEditor> r("name_editor");

// statics
std::set<LLNameEditor*> LLNameEditor::sInstances;

LLNameEditor::LLNameEditor(const std::string& name, const LLRect& rect,
		const LLUUID& name_id, 
		BOOL is_group,
		const LLFontGL* glfont,
		S32 max_text_length,
		void (*commit_callback)(LLUICtrl* caller, void* user_data),
		void (*keystroke_callback)(LLLineEditor* caller, void* user_data),
		void (*focus_lost_callback)(LLFocusableElement* caller, void* user_data),
		void* userdata,
		LLLinePrevalidateFunc prevalidate_func)
:	LLLineEditor(name, rect, 
				 std::string("(retrieving)"), 
				 glfont, 
				 max_text_length, 
				 commit_callback, 
				 keystroke_callback,
				 focus_lost_callback,
				 userdata,
				 prevalidate_func),
	mNameID(name_id)
{
	LLNameEditor::sInstances.insert(this);
	if(!name_id.isNull())
	{
		setNameID(name_id, is_group);
	}
}


LLNameEditor::~LLNameEditor()
{
	LLNameEditor::sInstances.erase(this);
}

void LLNameEditor::setNameID(const LLUUID& name_id, BOOL is_group)
{
	mNameID = name_id;

	std::string name;

	if (!is_group)
	{
		gCacheName->getFullName(name_id, name);
	}
	else
	{
		gCacheName->getGroupName(name_id, name);
	}

	setText(name);
}

void LLNameEditor::refresh(const LLUUID& id, const std::string& firstname,
						   const std::string& lastname, BOOL is_group)
{
	if (id == mNameID)
	{
		std::string name;
		if (!is_group)
		{
			name = firstname + " " + lastname;
		}
		else
		{
			name = firstname;
		}
		setText(name);
	}
}

void LLNameEditor::refreshAll(const LLUUID& id, const std::string& firstname,
							  const std::string& lastname, BOOL is_group)
{
	std::set<LLNameEditor*>::iterator it;
	for (it = LLNameEditor::sInstances.begin();
		 it != LLNameEditor::sInstances.end();
		 ++it)
	{
		LLNameEditor* box = *it;
		box->refresh(id, firstname, lastname, is_group);
	}
}

void LLNameEditor::setValue( const LLSD& value )
{
	setNameID(value.asUUID(), FALSE);
}

LLSD LLNameEditor::getValue() const
{
	return LLSD(mNameID);
}

// virtual
LLXMLNodePtr LLNameEditor::getXML(bool save_children) const
{
	LLXMLNodePtr node = LLLineEditor::getXML();

	node->setName(LL_NAME_EDITOR_TAG);

	return node;
}

LLView* LLNameEditor::fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory)
{
	std::string name("name_editor");
	node->getAttributeString("name", name);

	LLRect rect;
	createRect(node, rect, parent, LLRect());

	S32 max_text_length = 128;
	node->getAttributeS32("max_length", max_text_length);

	LLFontGL* font = LLView::selectFont(node);

	LLUICtrlCallback commit_callback = NULL;

	LLNameEditor* line_editor = new LLNameEditor(name,
								rect, 
								LLUUID::null, FALSE,
								font,
								max_text_length,
								commit_callback);

	std::string label;
	if(node->getAttributeString("label", label))
	{
		line_editor->setLabel(label);
	}
	line_editor->setColorParameters(node);
	line_editor->initFromXML(node, parent);
	
	return line_editor;
}