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path: root/indra/newview/llgrouplist.cpp
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/** 
 * @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 "llbutton.h"
#include "lliconctrl.h"
#include "llmenugl.h"
#include "lltextbox.h"
#include "lltrans.h"

// newview
#include "llagent.h"
#include "llgroupactions.h"
#include "llfloaterreg.h"
#include "lltextutil.h"
#include "llviewercontrol.h"	// for gSavedSettings
#include "llviewermenu.h"		// for gMenuHolder
#include "llvoiceclient.h"

static LLDefaultChildRegistry::Register<LLGroupList> r("group_list");
S32 LLGroupListItem::sIconWidth = 0;

class LLGroupComparator : public LLFlatListView::ItemComparator
{
public:
	/** Returns true if item1 < item2, false otherwise */
	/*virtual*/ bool compare(const LLPanel* item1, const LLPanel* item2) const
	{
		std::string name1 = static_cast<const LLGroupListItem*>(item1)->getGroupName();
		std::string name2 = static_cast<const LLGroupListItem*>(item2)->getGroupName();

		LLStringUtil::toUpper(name1);
		LLStringUtil::toUpper(name2);

		return name1 < name2;
	}
};

static const LLGroupComparator GROUP_COMPARATOR;

LLGroupList::Params::Params()
: no_groups_msg("no_groups_msg")
, no_filtered_groups_msg("no_filtered_groups_msg")
{
	
}

LLGroupList::LLGroupList(const Params& p)
:	LLFlatListView(p)
	, mDirty(true) // to force initial update
	, mNoFilteredGroupsMsg(p.no_filtered_groups_msg)
	, mNoGroupsMsg(p.no_groups_msg)
{
	// Listen for agent group changes.
	gAgent.addListener(this, "new group");

	mShowIcons = gSavedSettings.getBOOL("GroupListShowIcons");
	setCommitOnSelectionChange(true);

	// Set default sort order.
	setComparator(&GROUP_COMPARATOR);

	// Set up context menu.
	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
	LLUICtrl::EnableCallbackRegistry::ScopedRegistrar enable_registrar;

	registrar.add("People.Groups.Action",			boost::bind(&LLGroupList::onContextMenuItemClick,	this, _2));
	enable_registrar.add("People.Groups.Enable",	boost::bind(&LLGroupList::onContextMenuItemEnable,	this, _2));

	LLMenuGL* context_menu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_people_groups.xml",
			gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
	if(context_menu)
		mContextMenuHandle = context_menu->getHandle();
}

LLGroupList::~LLGroupList()
{
	gAgent.removeListener(this);
	LLView::deleteViewByHandle(mContextMenuHandle);
}

// virtual
void LLGroupList::draw()
{
	if (mDirty)
		refresh();

	LLFlatListView::draw();
}

// virtual
BOOL LLGroupList::handleRightMouseDown(S32 x, S32 y, MASK mask)
{
	BOOL handled = LLUICtrl::handleRightMouseDown(x, y, mask);

	LLMenuGL* context_menu = (LLMenuGL*)mContextMenuHandle.get();
	if (context_menu)
	{
		context_menu->buildDrawLabels();
		context_menu->updateParent(LLMenuGL::sMenuContainer);
		LLMenuGL::showPopup(this, context_menu, x, y);
	}

	return handled;
}

void LLGroupList::setNameFilter(const std::string& filter)
{
	if (mNameFilter != filter)
	{
		mNameFilter = filter;
		setDirty();
	}
}

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

void LLGroupList::refresh()
{
	const LLUUID& 		highlight_id	= gAgent.getGroupID();
	S32					count			= gAgent.mGroups.count();
	LLUUID				id;
	bool				have_filter		= !mNameFilter.empty();

	// set no items message depend on filter state & total count of groups
	if (have_filter)
	{
		// groups were filtered
		setNoItemsCommentText(mNoFilteredGroupsMsg);
	}
	else if (0 == count)
	{
		// user is not a member of any group
		setNoItemsCommentText(mNoGroupsMsg);
	}

	clear();

	for(S32 i = 0; i < count; ++i)
	{
		id = gAgent.mGroups.get(i).mID;
		const LLGroupData& group_data = gAgent.mGroups.get(i);
		if (have_filter && !findInsensitive(group_data.mName, mNameFilter))
			continue;
		addNewItem(id, group_data.mName, group_data.mInsigniaID, ADD_BOTTOM);
	}

	// Sort the list.
	sort();

	// Add "none" to list at top if filter not set (what's the point of filtering "none"?).
	// but only if some real groups exists. EXT-4838
	if (!have_filter && count > 0)
	{
		std::string loc_none = LLTrans::getString("GroupsNone");
		addNewItem(LLUUID::null, loc_none, LLUUID::null, ADD_TOP);
	}

	selectItemByUUID(highlight_id);

	setDirty(false);
	onCommit();
}

void LLGroupList::toggleIcons()
{
	// Save the new value for new items to use.
	mShowIcons = !mShowIcons;
	gSavedSettings.setBOOL("GroupListShowIcons", mShowIcons);

	// Show/hide icons for all existing items.
	std::vector<LLPanel*> items;
	getItems(items);
	for( std::vector<LLPanel*>::const_iterator it = items.begin(); it != items.end(); it++)
	{
		static_cast<LLGroupListItem*>(*it)->setGroupIconVisible(mShowIcons);
	}
}

//////////////////////////////////////////////////////////////////////////
// PRIVATE Section
//////////////////////////////////////////////////////////////////////////

void LLGroupList::addNewItem(const LLUUID& id, const std::string& name, const LLUUID& icon_id, EAddPosition pos)
{
	LLGroupListItem* item = new LLGroupListItem();

	item->setGroupID(id);
	item->setName(name, mNameFilter);
	item->setGroupIconID(icon_id);

	item->childSetVisible("info_btn", false);
	item->childSetVisible("profile_btn", false);
	item->setGroupIconVisible(mShowIcons);

	addItem(item, id, pos);

//	setCommentVisible(false);
}

// virtual
bool LLGroupList::handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata)
{
	// Why is "new group" sufficient?
	if (event->desc() == "new group")
	{
		setDirty();
		return true;
	}

	return false;
}

bool LLGroupList::onContextMenuItemClick(const LLSD& userdata)
{
	std::string action = userdata.asString();
	LLUUID selected_group = getSelectedUUID();

	if (action == "view_info")
	{
		LLGroupActions::show(selected_group);
	}
	else if (action == "chat")
	{
		LLGroupActions::startIM(selected_group);
	}
	else if (action == "call")
	{
		LLGroupActions::startCall(selected_group);
	}
	else if (action == "activate")
	{
		LLGroupActions::activate(selected_group);
	}
	else if (action == "leave")
	{
		LLGroupActions::leave(selected_group);
	}

	return true;
}

bool LLGroupList::onContextMenuItemEnable(const LLSD& userdata)
{
	LLUUID selected_group_id = getSelectedUUID();
	bool real_group_selected = selected_group_id.notNull(); // a "real" (not "none") group is selected

	// each group including "none" can be activated
	if (userdata.asString() == "activate")
		return gAgent.getGroupID() != selected_group_id;

	if (userdata.asString() == "call")
	  return real_group_selected && LLVoiceClient::getInstance()->voiceEnabled() && LLVoiceClient::getInstance()->isVoiceWorking();

	return real_group_selected;
}

/************************************************************************/
/*          LLGroupListItem implementation                              */
/************************************************************************/

LLGroupListItem::LLGroupListItem()
:	LLPanel(),
mGroupIcon(NULL),
mGroupNameBox(NULL),
mInfoBtn(NULL),
mGroupID(LLUUID::null)
{
	LLUICtrlFactory::getInstance()->buildPanel(this, "panel_group_list_item.xml");

	// Remember group icon width including its padding from the name text box,
	// so that we can hide and show the icon again later.
	if (!sIconWidth)
	{
		sIconWidth = mGroupNameBox->getRect().mLeft - mGroupIcon->getRect().mLeft;
	}
}

LLGroupListItem::~LLGroupListItem()
{
	LLGroupMgr::getInstance()->removeObserver(this);
}

//virtual
BOOL  LLGroupListItem::postBuild()
{
	mGroupIcon = getChild<LLIconCtrl>("group_icon");
	mGroupNameBox = getChild<LLTextBox>("group_name");

	mInfoBtn = getChild<LLButton>("info_btn");
	mInfoBtn->setClickedCallback(boost::bind(&LLGroupListItem::onInfoBtnClick, this));

	childSetAction("profile_btn", boost::bind(&LLGroupListItem::onProfileBtnClick, this));

	return TRUE;
}

//virtual
void LLGroupListItem::setValue( const LLSD& value )
{
	if (!value.isMap()) return;
	if (!value.has("selected")) return;
	childSetVisible("selected_icon", value["selected"]);
}

void LLGroupListItem::onMouseEnter(S32 x, S32 y, MASK mask)
{
	childSetVisible("hovered_icon", true);
	if (mGroupID.notNull()) // don't show the info button for the "none" group
	{
		mInfoBtn->setVisible(true);
		childSetVisible("profile_btn", true);
	}

	LLPanel::onMouseEnter(x, y, mask);
}

void LLGroupListItem::onMouseLeave(S32 x, S32 y, MASK mask)
{
	childSetVisible("hovered_icon", false);
	mInfoBtn->setVisible(false);
	childSetVisible("profile_btn", false);

	LLPanel::onMouseLeave(x, y, mask);
}

void LLGroupListItem::setName(const std::string& name, const std::string& highlight)
{
	mGroupName = name;
	LLTextUtil::textboxSetHighlightedVal(mGroupNameBox, mGroupNameStyle, name, highlight);
	mGroupNameBox->setToolTip(name);
}

void LLGroupListItem::setGroupID(const LLUUID& group_id)
{
	LLGroupMgr::getInstance()->removeObserver(this);
	
	mID = group_id;
	mGroupID = group_id;
	setActive(group_id == gAgent.getGroupID());

	LLGroupMgr::getInstance()->addObserver(this);
}

void LLGroupListItem::setGroupIconID(const LLUUID& group_icon_id)
{
	if (group_icon_id.notNull())
	{
		mGroupIcon->setValue(group_icon_id);
	}
}

void LLGroupListItem::setGroupIconVisible(bool visible)
{
	// Already done? Then do nothing.
	if (mGroupIcon->getVisible() == (BOOL)visible)
		return;

	// Show/hide the group icon.
	mGroupIcon->setVisible(visible);

	// Move the group name horizontally by icon size + its distance from the group name.
	LLRect name_rect = mGroupNameBox->getRect();
	name_rect.mLeft += visible ? sIconWidth : -sIconWidth;
	mGroupNameBox->setRect(name_rect);
}

//////////////////////////////////////////////////////////////////////////
// Private Section
//////////////////////////////////////////////////////////////////////////
void LLGroupListItem::setActive(bool active)
{
	// *BUG: setName() overrides the style params.

	// Active group should be bold.
	LLFontDescriptor new_desc(mGroupNameBox->getDefaultFont()->getFontDesc());

	// *NOTE dzaporozhan
	// On Windows LLFontGL::NORMAL will not remove LLFontGL::BOLD if font 
	// is predefined as bold (SansSerifSmallBold, for example)
	new_desc.setStyle(active ? LLFontGL::BOLD : LLFontGL::NORMAL);
	LLFontGL* new_font = LLFontGL::getFont(new_desc);
	mGroupNameStyle.font = new_font;

	// *NOTE: You cannot set the style on a text box anymore, you must
	// rebuild the text.  This will cause problems if the text contains
	// hyperlinks, as their styles will be wrong.
	mGroupNameBox->setText(mGroupName, mGroupNameStyle);
}

void LLGroupListItem::onInfoBtnClick()
{
	LLFloaterReg::showInstance("inspect_group", LLSD().with("group_id", mGroupID));
}

void LLGroupListItem::onProfileBtnClick()
{
	LLGroupActions::show(mGroupID);
}

void LLGroupListItem::changed(LLGroupChange gc)
{
	LLGroupMgrGroupData* group_data = LLGroupMgr::getInstance()->getGroupData(mID);
	if(group_data)
		setGroupIconID(group_data->mInsigniaID);
}

//EOF