/** 
 * @file llgrouplist.cpp
 * @brief List of the groups the agent belongs to.
 *
 * $LicenseInfo:firstyear=2009&license=viewergpl$
 * 
 * Copyright (c) 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 "llgrouplist.h"

// libs
#include "lltrans.h"

// newview
#include "llagent.h"

static LLDefaultChildRegistry::Register<LLGroupList> r("group_list");

LLGroupList::Params::Params()
{
	// Prevent the active group from being always first in the list.
	online_go_first = false;
}

LLGroupList::LLGroupList(const Params& p)
:	LLAvatarList(p)
{
	// display a context menu appropriate for a list of group names
	setContextMenu(LLScrollListCtrl::MENU_GROUP);
}

static bool findInsensitive(std::string haystack, const std::string& needle_upper)
{
    LLStringUtil::toUpper(haystack);
    return haystack.find(needle_upper) != std::string::npos;
}

BOOL LLGroupList::update(const std::string& name_filter)
{
	LLCtrlListInterface *group_list		= getListInterface();
	const LLUUID& 		highlight_id	= gAgent.getGroupID();
	S32					count			= gAgent.mGroups.count();
	LLUUID				id;

	group_list->operateOnAll(LLCtrlListInterface::OP_DELETE);

	for(S32 i = 0; i < count; ++i)
	{
		// *TODO: check powers mask?
		id = gAgent.mGroups.get(i).mID;
		const LLGroupData& group_data = gAgent.mGroups.get(i);
		if (name_filter != LLStringUtil::null && !findInsensitive(group_data.mName, name_filter))
			continue;
		addItem(id, group_data.mName, highlight_id == id, ADD_BOTTOM); // ADD_SORTED can only sort by first column anyway
	}

	// Force sorting the list.
	updateSort();

	// add "none" to list at top
	{
		std::string loc_none = LLTrans::getString("GroupsNone");
		if (name_filter == LLStringUtil::null || findInsensitive(loc_none, name_filter))
			addItem(LLUUID::null, loc_none, highlight_id.isNull(), ADD_TOP);

		// Prevent the "none" item from being sorted.
		setNeedsSort(false);
	}

	group_list->selectByValue(highlight_id);
	return TRUE;
}