CHUI-101 WIP Make LLFolderview general purpose

move llfolderview* into LLUI!

1 files changed, 0 insertions, 2060 deletions

diff --git a/indra/newview/llfolderviewitem.cpp b/indra/newview/llfolderviewitem.cpp
deleted file mode 100644
index dee3fe7218..0000000000
--- a/indra/newview/llfolderviewitem.cpp
+++ /dev/null
@@ -1,2060 +0,0 @@
-/** 
-* @file llfolderviewitem.cpp
-* @brief Items and folders that can appear in a hierarchical folder view
-*
-* $LicenseInfo:firstyear=2001&license=viewerlgpl$
-* 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
-* $/LicenseInfo$
-*/
-#include "llviewerprecompiledheaders.h"
-
-#include "llfolderviewitem.h"
-
-// viewer includes
-#include "llfolderview.h"
-#include "llfolderviewmodel.h"
-#include "llpanel.h"
-
-// linden library includes
-#include "llclipboard.h"
-#include "llfocusmgr.h"		// gFocusMgr
-#include "lltrans.h"
-
-///----------------------------------------------------------------------------
-/// Class LLFolderViewItem
-///----------------------------------------------------------------------------
-
-static LLDefaultChildRegistry::Register<LLFolderViewItem> r("folder_view_item");
-
-// statics 
-std::map<U8, LLFontGL*> LLFolderViewItem::sFonts; // map of styles to fonts
-
-// only integers can be initialized in header
-const F32 LLFolderViewItem::FOLDER_CLOSE_TIME_CONSTANT = 0.02f;
-const F32 LLFolderViewItem::FOLDER_OPEN_TIME_CONSTANT = 0.03f;
-
-const LLColor4U DEFAULT_WHITE(255, 255, 255);
-
-
-//static
-LLFontGL* LLFolderViewItem::getLabelFontForStyle(U8 style)
-{
-	LLFontGL* rtn = sFonts[style];
-	if (!rtn) // grab label font with this style, lazily
-	{
-		LLFontDescriptor labelfontdesc("SansSerif", "Small", style);
-		rtn = LLFontGL::getFont(labelfontdesc);
-		if (!rtn)
-		{
-			rtn = LLFontGL::getFontDefault();
-		}
-		sFonts[style] = rtn;
-	}
-	return rtn;
-}
-
-//static
-void LLFolderViewItem::initClass()
-{
-}
-
-//static
-void LLFolderViewItem::cleanupClass()
-{
-	sFonts.clear();
-}
-
-
-// NOTE: Optimize this, we call it a *lot* when opening a large inventory
-LLFolderViewItem::Params::Params()
-:	root(),
-	listener(),
-	folder_arrow_image("folder_arrow_image"),
-	folder_indentation("folder_indentation"),
-	selection_image("selection_image"),
-	item_height("item_height"),
-	item_top_pad("item_top_pad"),
-	creation_date()
-{}
-
-// Default constructor
-LLFolderViewItem::LLFolderViewItem(const LLFolderViewItem::Params& p)
-:	LLView(p),
-	mLabelWidth(0),
-	mLabelWidthDirty(false),
-	mParentFolder( NULL ),
-	mIsSelected( FALSE ),
-	mIsCurSelection( FALSE ),
-	mSelectPending(FALSE),
-	mLabelStyle( LLFontGL::NORMAL ),
-	mHasVisibleChildren(FALSE),
-	mIndentation(0),
-	mItemHeight(p.item_height),
-	//TODO RN: create interface for string highlighting
-	//mStringMatchOffset(std::string::npos),
-	mControlLabelRotation(0.f),
-	mDragAndDropTarget(FALSE),
-	mLabel(p.name),
-	mRoot(p.root),
-	mViewModelItem(p.listener),
-	mIsMouseOverTitle(false)
-{
-	if (mViewModelItem)
-	{
-		mViewModelItem->setFolderViewItem(this);
-	}
-}
-
-BOOL LLFolderViewItem::postBuild()
-{
-	refresh();
-	return TRUE;
-}
-
-// Destroys the object
-LLFolderViewItem::~LLFolderViewItem( void )
-{
-	delete mViewModelItem;
-	mViewModelItem = NULL;
-}
-
-LLFolderView* LLFolderViewItem::getRoot()
-{
-	return mRoot;
-}
-
-const LLFolderView* LLFolderViewItem::getRoot() const
-{
-	return mRoot;
-}
-// Returns true if this object is a child (or grandchild, etc.) of potential_ancestor.
-BOOL LLFolderViewItem::isDescendantOf( const LLFolderViewFolder* potential_ancestor )
-{
-	LLFolderViewItem* root = this;
-	while( root->mParentFolder )
-	{
-		if( root->mParentFolder == potential_ancestor )
-		{
-			return TRUE;
-		}
-		root = root->mParentFolder;
-	}
-	return FALSE;
-}
-
-LLFolderViewItem* LLFolderViewItem::getNextOpenNode(BOOL include_children)
-{
-	if (!mParentFolder)
-	{
-		return NULL;
-	}
-
-	LLFolderViewItem* itemp = mParentFolder->getNextFromChild( this, include_children );
-	while(itemp && !itemp->getVisible())
-	{
-		LLFolderViewItem* next_itemp = itemp->mParentFolder->getNextFromChild( itemp, include_children );
-		if (itemp == next_itemp) 
-		{
-			// hit last item
-			return itemp->getVisible() ? itemp : this;
-		}
-		itemp = next_itemp;
-	}
-
-	return itemp;
-}
-
-LLFolderViewItem* LLFolderViewItem::getPreviousOpenNode(BOOL include_children)
-{
-	if (!mParentFolder)
-	{
-		return NULL;
-	}
-
-	LLFolderViewItem* itemp = mParentFolder->getPreviousFromChild( this, include_children );
-
-	// Skip over items that are invisible or are hidden from the UI.
-	while(itemp && !itemp->getVisible())
-	{
-		LLFolderViewItem* next_itemp = itemp->mParentFolder->getPreviousFromChild( itemp, include_children );
-		if (itemp == next_itemp) 
-		{
-			// hit first item
-			return itemp->getVisible() ? itemp : this;
-		}
-		itemp = next_itemp;
-	}
-
-	return itemp;
-}
-
-BOOL LLFolderViewItem::passedFilter(S32 filter_generation) 
-{
-	return getViewModelItem()->passedFilter(filter_generation);
-}
-
-void LLFolderViewItem::refresh()
-{ 
-	LLFolderViewModelItem& vmi = *getViewModelItem();
-
-	mLabel = vmi.getDisplayName();
-
-	setToolTip(mLabel);
-	mIcon = vmi.getIcon();
-	mIconOpen = vmi.getIconOpen();
-	mIconOverlay = vmi.getIconOverlay();
-
-	if (mRoot->useLabelSuffix())
-	{
-		mLabelStyle = vmi.getLabelStyle();
-		mLabelSuffix = vmi.getLabelSuffix();
-	}
-
-	//TODO RN: make sure this logic still fires
-	//std::string searchable_label(mLabel);
-	//searchable_label.append(mLabelSuffix);
-	//LLStringUtil::toUpper(searchable_label);
-
-	//if (mSearchableLabel.compare(searchable_label))
-	//{
-	//	mSearchableLabel.assign(searchable_label);
-	//	vmi.dirtyFilter();
-	//	// some part of label has changed, so overall width has potentially changed, and sort order too
-	//	if (mParentFolder)
-	//	{
-	//		mParentFolder->requestSort();
-	//		mParentFolder->requestArrange();
-	//	}
-	//}
-
-	mLabelWidthDirty = true;
-	vmi.dirtyFilter();
-}
-
-// Utility function for LLFolderView
-void LLFolderViewItem::arrangeAndSet(BOOL set_selection,
-									 BOOL take_keyboard_focus)
-{
-	LLFolderView* root = getRoot();
-	if (getParentFolder())
-	{
-		getParentFolder()->requestArrange();
-	}
-	if(set_selection)
-	{
-		getRoot()->setSelection(this, TRUE, take_keyboard_focus);
-		if(root)
-		{
-			root->scrollToShowSelection();
-		}
-	}		
-}
-
-
-std::set<LLFolderViewItem*> LLFolderViewItem::getSelectionList() const
-{
-	std::set<LLFolderViewItem*> selection;
-	return selection;
-}
-
-// addToFolder() returns TRUE if it succeeds. FALSE otherwise
-BOOL LLFolderViewItem::addToFolder(LLFolderViewFolder* folder)
-{
-	return folder->addItem(this);
-}
-
-
-// Finds width and height of this object and its children.  Also
-// makes sure that this view and its children are the right size.
-S32 LLFolderViewItem::arrange( S32* width, S32* height )
-{
-	const Params& p = LLUICtrlFactory::getDefaultParams<LLFolderViewItem>();
-	S32 indentation = p.folder_indentation();
-	// Only indent deeper items in hierarchy
-	mIndentation = (getParentFolder())
-		? getParentFolder()->getIndentation() + indentation
-		: 0;
-	if (mLabelWidthDirty)
-	{
-		mLabelWidth = ARROW_SIZE + TEXT_PAD + ICON_WIDTH + ICON_PAD + getLabelFontForStyle(mLabelStyle)->getWidth(mLabel) + getLabelFontForStyle(mLabelStyle)->getWidth(mLabelSuffix) + TEXT_PAD_RIGHT; 
-		mLabelWidthDirty = false;
-	}
-
-	*width = llmax(*width, mLabelWidth + mIndentation); 
-
-	// determine if we need to use ellipses to avoid horizontal scroll. EXT-719
-	bool use_ellipses = getRoot()->getUseEllipses();
-	if (use_ellipses)
-	{
-		// limit to set rect to avoid horizontal scrollbar
-		*width = llmin(*width, getRoot()->getRect().getWidth());
-	}
-	*height = getItemHeight();
-	return *height;
-}
-
-S32 LLFolderViewItem::getItemHeight()
-{
-	return mItemHeight;
-}
-
-// *TODO: This can be optimized a lot by simply recording that it is
-// selected in the appropriate places, and assuming that set selection
-// means 'deselect' for a leaf item. Do this optimization after
-// multiple selection is implemented to make sure it all plays nice
-// together.
-BOOL LLFolderViewItem::setSelection(LLFolderViewItem* selection, BOOL openitem, BOOL take_keyboard_focus)
-{
-	if (selection == this && !mIsSelected)
-	{
-		selectItem();
-	}
-	else if (mIsSelected)	// Deselect everything else.
-	{
-		deselectItem();
-	}
-	return mIsSelected;
-}
-
-BOOL LLFolderViewItem::changeSelection(LLFolderViewItem* selection, BOOL selected)
-{
-	if (selection == this)
-	{
-		if (mIsSelected)
-		{
-			deselectItem();
-		}
-		else
-		{
-			selectItem();
-		}
-		return TRUE;
-	}
-	return FALSE;
-}
-
-void LLFolderViewItem::deselectItem(void)
-{
-	mIsSelected = FALSE;
-}
-
-void LLFolderViewItem::selectItem(void)
-{
-	if (mIsSelected == FALSE)
-	{
-		getViewModelItem()->selectItem();
-		mIsSelected = TRUE;
-	}
-}
-
-BOOL LLFolderViewItem::isMovable()
-{
-	return getViewModelItem()->isItemMovable();
-}
-
-BOOL LLFolderViewItem::isRemovable()
-{
-	return getViewModelItem()->isItemRemovable();
-}
-
-void LLFolderViewItem::destroyView()
-{
-	getRoot()->removeFromSelectionList(this);
-
-	if (mParentFolder)
-	{
-		// removeView deletes me
-		mParentFolder->extractItem(this);
-	}
-	delete this;
-}
-
-// Call through to the viewed object and return true if it can be
-// removed.
-//BOOL LLFolderViewItem::removeRecursively(BOOL single_item)
-BOOL LLFolderViewItem::remove()
-{
-	if(!isRemovable())
-	{
-		return FALSE;
-	}
-	return getViewModelItem()->removeItem();
-}
-
-// Build an appropriate context menu for the item.
-void LLFolderViewItem::buildContextMenu(LLMenuGL& menu, U32 flags)
-{
-	getViewModelItem()->buildContextMenu(menu, flags);
-}
-
-void LLFolderViewItem::openItem( void )
-{
-	getViewModelItem()->openItem();
-}
-
-void LLFolderViewItem::rename(const std::string& new_name)
-{
-	if( !new_name.empty() )
-	{
-		getViewModelItem()->renameItem(new_name);
-
-			if(mParentFolder)
-			{
-				mParentFolder->requestSort();
-			}
-		}
-	}
-
-const std::string& LLFolderViewItem::getName( void ) const
-{
-	return getViewModelItem()->getName();
-}
-
-// LLView functionality
-BOOL LLFolderViewItem::handleRightMouseDown( S32 x, S32 y, MASK mask )
-{
-	if(!mIsSelected)
-	{
-		getRoot()->setSelection(this, FALSE);
-	}
-	make_ui_sound("UISndClick");
-	return TRUE;
-}
-
-BOOL LLFolderViewItem::handleMouseDown( S32 x, S32 y, MASK mask )
-{
-	if (LLView::childrenHandleMouseDown(x, y, mask))
-	{
-		return TRUE;
-	}
-	
-	// No handler needed for focus lost since this class has no
-	// state that depends on it.
-	gFocusMgr.setMouseCapture( this );
-
-	if (!mIsSelected)
-	{
-		if(mask & MASK_CONTROL)
-		{
-			getRoot()->changeSelection(this, !mIsSelected);
-		}
-		else if (mask & MASK_SHIFT)
-		{
-			getParentFolder()->extendSelectionTo(this);
-		}
-		else
-		{
-			getRoot()->setSelection(this, FALSE);
-		}
-		make_ui_sound("UISndClick");
-	}
-	else
-	{
-		mSelectPending = TRUE;
-	}
-
-	if( isMovable() )
-	{
-		S32 screen_x;
-		S32 screen_y;
-		localPointToScreen(x, y, &screen_x, &screen_y );
-		LLToolDragAndDrop::getInstance()->setDragStart( screen_x, screen_y );
-	}
-	return TRUE;
-}
-
-BOOL LLFolderViewItem::handleHover( S32 x, S32 y, MASK mask )
-{
-	mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
-
-	if( hasMouseCapture() && isMovable() )
-	{
-		S32 screen_x;
-		S32 screen_y;
-		localPointToScreen(x, y, &screen_x, &screen_y );
-		BOOL can_drag = TRUE;
-		if( LLToolDragAndDrop::getInstance()->isOverThreshold( screen_x, screen_y ) )
-		{
-			LLFolderView* root = getRoot();
-
-			if(root->getCurSelectedItem())
-			{
-				LLToolDragAndDrop::ESource src = LLToolDragAndDrop::SOURCE_WORLD;
-
-				// *TODO: push this into listener and remove
-				// dependency on llagent
-				src = getViewModelItem()->getDragSource();
-
-				can_drag = root->startDrag(src);
-				if (can_drag)
-				{
-					// if (getViewModelItem()) getViewModelItem()->startDrag();
-					// RN: when starting drag and drop, clear out last auto-open
-					root->autoOpenTest(NULL);
-					root->setShowSelectionContext(TRUE);
-
-					// Release keyboard focus, so that if stuff is dropped into the
-					// world, pressing the delete key won't blow away the inventory
-					// item.
-					gFocusMgr.setKeyboardFocus(NULL);
-
-					return LLToolDragAndDrop::getInstance()->handleHover( x, y, mask );
-				}
-			}
-		}
-
-		if (can_drag)
-		{
-			getWindow()->setCursor(UI_CURSOR_ARROW);
-		}
-		else
-		{
-			getWindow()->setCursor(UI_CURSOR_NOLOCKED);
-		}
-		return TRUE;
-	}
-	else
-	{
-		if (getRoot())
-		{
-			getRoot()->setShowSelectionContext(FALSE);
-		}
-		getWindow()->setCursor(UI_CURSOR_ARROW);
-		// let parent handle this then...
-		return FALSE;
-	}
-}
-
-
-BOOL LLFolderViewItem::handleDoubleClick( S32 x, S32 y, MASK mask )
-{
-	getViewModelItem()->openItem();
-	return TRUE;
-}
-
-BOOL LLFolderViewItem::handleMouseUp( S32 x, S32 y, MASK mask )
-{
-	if (LLView::childrenHandleMouseUp(x, y, mask))
-	{
-		return TRUE;
-	}
-	
-	// if mouse hasn't moved since mouse down...
-	if ( pointInView(x, y) && mSelectPending )
-	{
-		//...then select
-		if(mask & MASK_CONTROL)
-		{
-			getRoot()->changeSelection(this, !mIsSelected);
-		}
-		else if (mask & MASK_SHIFT)
-		{
-			getParentFolder()->extendSelectionTo(this);
-		}
-		else
-		{
-			getRoot()->setSelection(this, FALSE);
-		}
-	}
-
-	mSelectPending = FALSE;
-
-	if( hasMouseCapture() )
-	{
-		if (getRoot())
-		{
-		getRoot()->setShowSelectionContext(FALSE);
-		}
-		gFocusMgr.setMouseCapture( NULL );
-	}
-	return TRUE;
-}
-
-void LLFolderViewItem::onMouseLeave(S32 x, S32 y, MASK mask)
-{
-	mIsMouseOverTitle = false;
-}
-
-BOOL LLFolderViewItem::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
-										 EDragAndDropType cargo_type,
-										 void* cargo_data,
-										 EAcceptance* accept,
-										 std::string& tooltip_msg)
-{
-	BOOL handled = FALSE;
-	BOOL accepted = getViewModelItem()->dragOrDrop(mask,drop,cargo_type,cargo_data, tooltip_msg);
-		handled = accepted;
-		if (accepted)
-		{
-			mDragAndDropTarget = TRUE;
-			*accept = ACCEPT_YES_MULTI;
-		}
-		else
-		{
-			*accept = ACCEPT_NO;
-		}
-	if(mParentFolder && !handled)
-	{
-		// store this item to get it in LLFolderBridge::dragItemIntoFolder on drop event.
-		mRoot->setDraggingOverItem(this);
-		handled = mParentFolder->handleDragAndDropFromChild(mask,drop,cargo_type,cargo_data,accept,tooltip_msg);
-		mRoot->setDraggingOverItem(NULL);
-	}
-	if (handled)
-	{
-		lldebugst(LLERR_USER_INPUT) << "dragAndDrop handled by LLFolderViewItem" << llendl;
-	}
-
-	return handled;
-}
-
-void LLFolderViewItem::draw()
-{
-	static LLUIColor sFgColor 			= LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
-	static LLUIColor sHighlightBgColor 	= LLUIColorTable::instance().getColor("MenuItemHighlightBgColor", DEFAULT_WHITE);
-	static LLUIColor sHighlightFgColor 	= LLUIColorTable::instance().getColor("MenuItemHighlightFgColor", DEFAULT_WHITE);
-	static LLUIColor sFocusOutlineColor = LLUIColorTable::instance().getColor("InventoryFocusOutlineColor", DEFAULT_WHITE);
-	static LLUIColor sFilterBGColor 	= LLUIColorTable::instance().getColor("FilterBackgroundColor", DEFAULT_WHITE);
-	static LLUIColor sFilterTextColor 	= LLUIColorTable::instance().getColor("FilterTextColor", DEFAULT_WHITE);
-	static LLUIColor sSuffixColor 		= LLUIColorTable::instance().getColor("InventoryItemColor", DEFAULT_WHITE);
-	static LLUIColor sLibraryColor 		= LLUIColorTable::instance().getColor("InventoryItemLibraryColor", DEFAULT_WHITE);
-	static LLUIColor sLinkColor 		= LLUIColorTable::instance().getColor("InventoryItemLinkColor", DEFAULT_WHITE);
-	static LLUIColor sSearchStatusColor = LLUIColorTable::instance().getColor("InventorySearchStatusColor", DEFAULT_WHITE);
-	static LLUIColor sMouseOverColor 	= LLUIColorTable::instance().getColor("InventoryMouseOverColor", DEFAULT_WHITE);
-
-	const Params& default_params = LLUICtrlFactory::getDefaultParams<LLFolderViewItem>();
-	const S32 TOP_PAD = default_params.item_top_pad;
-	const S32 FOCUS_LEFT = 1;
-	const LLFontGL* font = getLabelFontForStyle(mLabelStyle);
-
-	getViewModelItem()->update();
-
-	//--------------------------------------------------------------------------------//
-	// Draw open folder arrow
-	//
-	if (hasVisibleChildren() || getViewModelItem()->hasChildren())
-	{
-		LLUIImage* arrow_image = default_params.folder_arrow_image;
-		gl_draw_scaled_rotated_image(
-			mIndentation, getRect().getHeight() - ARROW_SIZE - TEXT_PAD - TOP_PAD,
-			ARROW_SIZE, ARROW_SIZE, mControlLabelRotation, arrow_image->getImage(), sFgColor);
-	}
-
-
-	//--------------------------------------------------------------------------------//
-	// Draw highlight for selected items
-	//
-	const BOOL show_context = (getRoot() ? getRoot()->getShowSelectionContext() : FALSE);
-	const BOOL filled = show_context || (getRoot() ? getRoot()->getParentPanel()->hasFocus() : FALSE); // If we have keyboard focus, draw selection filled
-	const S32 focus_top = getRect().getHeight();
-	const S32 focus_bottom = getRect().getHeight() - mItemHeight;
-	const bool folder_open = (getRect().getHeight() > mItemHeight + 4);
-	if (mIsSelected) // always render "current" item.  Only render other selected items if mShowSingleSelection is FALSE
-	{
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-		LLColor4 bg_color = sHighlightBgColor;
-		if (!mIsCurSelection)
-		{
-			// do time-based fade of extra objects
-			F32 fade_time = (getRoot() ? getRoot()->getSelectionFadeElapsedTime() : 0.0f);
-			if (getRoot() && getRoot()->getShowSingleSelection())
-			{
-				// fading out
-				bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, bg_color.mV[VALPHA], 0.f);
-			}
-			else
-			{
-				// fading in
-				bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, 0.f, bg_color.mV[VALPHA]);
-			}
-		}
-		gl_rect_2d(FOCUS_LEFT,
-				   focus_top, 
-				   getRect().getWidth() - 2,
-				   focus_bottom,
-				   bg_color, filled);
-		if (mIsCurSelection)
-		{
-			gl_rect_2d(FOCUS_LEFT, 
-					   focus_top, 
-					   getRect().getWidth() - 2,
-					   focus_bottom,
-					   sFocusOutlineColor, FALSE);
-		}
-		if (folder_open)
-		{
-			gl_rect_2d(FOCUS_LEFT,
-					   focus_bottom + 1, // overlap with bottom edge of above rect
-					   getRect().getWidth() - 2,
-					   0,
-					   sFocusOutlineColor, FALSE);
-			if (show_context)
-			{
-				gl_rect_2d(FOCUS_LEFT,
-						   focus_bottom + 1,
-						   getRect().getWidth() - 2,
-						   0,
-						   sHighlightBgColor, TRUE);
-			}
-		}
-	}
-	else if (mIsMouseOverTitle)
-	{
-		gl_rect_2d(FOCUS_LEFT,
-			focus_top, 
-			getRect().getWidth() - 2,
-			focus_bottom,
-			sMouseOverColor, FALSE);
-	}
-
-	//--------------------------------------------------------------------------------//
-	// Draw DragNDrop highlight
-	//
-	if (mDragAndDropTarget)
-	{
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-		gl_rect_2d(FOCUS_LEFT, 
-				   focus_top, 
-				   getRect().getWidth() - 2,
-				   focus_bottom,
-				   sHighlightBgColor, FALSE);
-		if (folder_open)
-		{
-			gl_rect_2d(FOCUS_LEFT,
-					   focus_bottom + 1, // overlap with bottom edge of above rect
-					   getRect().getWidth() - 2,
-					   0,
-					   sHighlightBgColor, FALSE);
-		}
-		mDragAndDropTarget = FALSE;
-	}
-
-	//--------------------------------------------------------------------------------//
-	// Draw open icon
-	//
-	const S32 icon_x = mIndentation + ARROW_SIZE + TEXT_PAD;
-	if (!mIconOpen.isNull() && (llabs(mControlLabelRotation) > 80)) // For open folders
- 	{
-		mIconOpen->draw(icon_x, getRect().getHeight() - mIconOpen->getHeight() - TOP_PAD + 1);
-	}
-	else if (mIcon)
-	{
- 		mIcon->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
- 	}
-
-	if (mIconOverlay && getRoot()->showItemLinkOverlays())
-	{
-		mIconOverlay->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
-	}
-
-	//--------------------------------------------------------------------------------//
-	// Exit if no label to draw
-	//
-	if (mLabel.empty())
-	{
-		return;
-	}
-
-	LLColor4 color = (mIsSelected && filled) ? sHighlightFgColor : sFgColor;
-	//TODO RN: implement this in terms of getColor()
-	//if (highlight_link) color = sLinkColor;
-	//if (gInventory.isObjectDescendentOf(getViewModelItem()->getUUID(), gInventory.getLibraryRootFolderID())) color = sLibraryColor;
-	
-	F32 right_x  = 0;
-	F32 y = (F32)getRect().getHeight() - font->getLineHeight() - (F32)TEXT_PAD - (F32)TOP_PAD;
-	F32 text_left = (F32)(ARROW_SIZE + TEXT_PAD + ICON_WIDTH + ICON_PAD + mIndentation);
-
-	//--------------------------------------------------------------------------------//
-	// Draw the actual label text
-	//
-	font->renderUTF8(mLabel, 0, text_left, y, color,
-					 LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
-					 S32_MAX, getRect().getWidth() - (S32) text_left, &right_x, TRUE);
-
-	//--------------------------------------------------------------------------------//
-	// Draw label suffix
-	//
-	if (!mLabelSuffix.empty())
-	{
-		font->renderUTF8( mLabelSuffix, 0, right_x, y, sSuffixColor,
-						  LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
-						  S32_MAX, S32_MAX, &right_x, FALSE );
-	}
-
-	//--------------------------------------------------------------------------------//
-	// Highlight string match
-	//
-	//TODO RN: expose interface for highlighting
-	//if (mStringMatchOffset != std::string::npos)
-	//{
-	//	// don't draw backgrounds for zero-length strings
-	//	S32 filter_string_length = getRoot()->getFilterSubString().size();
-	//	if (filter_string_length > 0)
-	//	{
-	//		std::string combined_string = mLabel + mLabelSuffix;
-	//		S32 left = llround(text_left) + font->getWidth(combined_string, 0, mStringMatchOffset) - 1;
-	//		S32 right = left + font->getWidth(combined_string, mStringMatchOffset, filter_string_length) + 2;
-	//		S32 bottom = llfloor(getRect().getHeight() - font->getLineHeight() - 3 - TOP_PAD);
-	//		S32 top = getRect().getHeight() - TOP_PAD;
-	//	
-	//		LLUIImage* box_image = default_params.selection_image;
-	//		LLRect box_rect(left, top, right, bottom);
-	//		box_image->draw(box_rect, sFilterBGColor);
-	//		F32 match_string_left = text_left + font->getWidthF32(combined_string, 0, mStringMatchOffset);
-	//		F32 yy = (F32)getRect().getHeight() - font->getLineHeight() - (F32)TEXT_PAD - (F32)TOP_PAD;
-	//		font->renderUTF8( combined_string, mStringMatchOffset, match_string_left, yy,
-	//						  sFilterTextColor, LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
-	//						  filter_string_length, S32_MAX, &right_x, FALSE );
-	//	}
-	//}
-}
-
-const LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void ) const
-	{
-	return getRoot()->getFolderViewModel();
-}
-
-LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void )
-		{
-	return getRoot()->getFolderViewModel();
-}
-
-
-///----------------------------------------------------------------------------
-/// Class LLFolderViewFolder
-///----------------------------------------------------------------------------
-
-LLFolderViewFolder::LLFolderViewFolder( const LLFolderViewItem::Params& p ): 
-	LLFolderViewItem( p ),
-	mIsOpen(FALSE),
-	mExpanderHighlighted(FALSE),
-	mCurHeight(0.f),
-	mTargetHeight(0.f),
-	mAutoOpenCountdown(0.f),
-	mLastArrangeGeneration( -1 ),
-	mLastCalculatedWidth(0)
-{
-}
-
-// Destroys the object
-LLFolderViewFolder::~LLFolderViewFolder( void )
-{
-	// The LLView base class takes care of object destruction. make sure that we
-	// don't have mouse or keyboard focus
-	gFocusMgr.releaseFocusIfNeeded( this ); // calls onCommit()
-}
-
-// addToFolder() returns TRUE if it succeeds. FALSE otherwise
-BOOL LLFolderViewFolder::addToFolder(LLFolderViewFolder* folder)
-{
-	return folder->addFolder(this);
-}
-
-static LLFastTimer::DeclareTimer FTM_ARRANGE("Arrange");
-
-// Finds width and height of this object and its children. Also
-// makes sure that this view and its children are the right size.
-S32 LLFolderViewFolder::arrange( S32* width, S32* height )
-{
-	// sort before laying out contents
-	getRoot()->getFolderViewModel()->sort(this);
-
-	LLFastTimer t2(FTM_ARRANGE);
-
-	// evaluate mHasVisibleChildren
-	mHasVisibleChildren = false;
-	if (getViewModelItem()->descendantsPassedFilter())
-	{
-		// We have to verify that there's at least one child that's not filtered out
-		bool found = false;
-		// Try the items first
-		for (items_t::iterator iit = mItems.begin(); iit != mItems.end(); ++iit)
-		{
-			LLFolderViewItem* itemp = (*iit);
-			found = itemp->passedFilter();
-			if (found)
-				break;
-		}
-		if (!found)
-		{
-			// If no item found, try the folders
-			for (folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
-			{
-				LLFolderViewFolder* folderp = (*fit);
-				found = folderp->passedFilter();
-				if (found)
-					break;
-			}
-		}
-
-		mHasVisibleChildren = found;
-	}
-
-	// calculate height as a single item (without any children), and reshapes rectangle to match
-	LLFolderViewItem::arrange( width, height );
-
-	// clamp existing animated height so as to never get smaller than a single item
-	mCurHeight = llmax((F32)*height, mCurHeight);
-
-	// initialize running height value as height of single item in case we have no children
-	F32 running_height = (F32)*height;
-	F32 target_height = (F32)*height;
-
-	// are my children visible?
-	if (needsArrange())
-	{
-		// set last arrange generation first, in case children are animating
-		// and need to be arranged again
-		mLastArrangeGeneration = getRoot()->getArrangeGeneration();
-		if (isOpen())
-		{
-			// Add sizes of children
-			S32 parent_item_height = getRect().getHeight();
-
-			for(folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
-			{
-				LLFolderViewFolder* folderp = (*fit);
-				folderp->setVisible(folderp->passedFilter()); // passed filter or has descendants that passed filter
-
-				if (folderp->getVisible())
-				{
-					S32 child_width = *width;
-					S32 child_height = 0;
-					S32 child_top = parent_item_height - llround(running_height);
-
-					target_height += folderp->arrange( &child_width, &child_height );
-
-					running_height += (F32)child_height;
-					*width = llmax(*width, child_width);
-					folderp->setOrigin( 0, child_top - folderp->getRect().getHeight() );
-				}
-			}
-			for(items_t::iterator iit = mItems.begin();
-				iit != mItems.end(); ++iit)
-			{
-				LLFolderViewItem* itemp = (*iit);
-				itemp->setVisible(itemp->passedFilter());
-
-				if (itemp->getVisible())
-				{
-					S32 child_width = *width;
-					S32 child_height = 0;
-					S32 child_top = parent_item_height - llround(running_height);
-
-					target_height += itemp->arrange( &child_width, &child_height );
-					// don't change width, as this item is as wide as its parent folder by construction
-					itemp->reshape( itemp->getRect().getWidth(), child_height);
-
-					running_height += (F32)child_height;
-					*width = llmax(*width, child_width);
-					itemp->setOrigin( 0, child_top - itemp->getRect().getHeight() );
-				}
-			}
-		}
-
-		mTargetHeight = target_height;
-		// cache this width so next time we can just return it
-		mLastCalculatedWidth = *width;
-	}
-	else
-	{
-		// just use existing width
-		*width = mLastCalculatedWidth;
-	}
-
-	// animate current height towards target height
-	if (llabs(mCurHeight - mTargetHeight) > 1.f)
-	{
-		mCurHeight = lerp(mCurHeight, mTargetHeight, LLCriticalDamp::getInterpolant(isOpen() ? FOLDER_OPEN_TIME_CONSTANT : FOLDER_CLOSE_TIME_CONSTANT));
-
-		requestArrange();
-
-		// hide child elements that fall out of current animated height
-		for (folders_t::iterator iter = mFolders.begin();
-			iter != mFolders.end();)
-		{
-			folders_t::iterator fit = iter++;
-			// number of pixels that bottom of folder label is from top of parent folder
-			if (getRect().getHeight() - (*fit)->getRect().mTop + (*fit)->getItemHeight() 
-				> llround(mCurHeight) + MAX_FOLDER_ITEM_OVERLAP)
-			{
-				// hide if beyond current folder height
-				(*fit)->setVisible(FALSE);
-			}
-		}
-
-		for (items_t::iterator iter = mItems.begin();
-			iter != mItems.end();)
-		{
-			items_t::iterator iit = iter++;
-			// number of pixels that bottom of item label is from top of parent folder
-			if (getRect().getHeight() - (*iit)->getRect().mBottom
-				> llround(mCurHeight) + MAX_FOLDER_ITEM_OVERLAP)
-			{
-				(*iit)->setVisible(FALSE);
-			}
-		}
-	}
-	else
-	{
-		mCurHeight = mTargetHeight;
-	}
-
-	// don't change width as this item is already as wide as its parent folder
-	reshape(getRect().getWidth(),llround(mCurHeight));
-
-	// pass current height value back to parent
-	*height = llround(mCurHeight);
-
-	return llround(mTargetHeight);
-}
-
-BOOL LLFolderViewFolder::needsArrange()
-{
-	return mLastArrangeGeneration < getRoot()->getArrangeGeneration(); 
-}
-
-void LLFolderViewFolder::requestSort()
-{
-	getViewModelItem()->requestSort();
-}
-
-//TODO RN: get height resetting working
-//void LLFolderViewFolder::setPassedFilter(BOOL passed, BOOL passed_folder, S32 filter_generation)
-//{
-//	// if this folder is now filtered, but wasn't before
-//	// (it just passed)
-//	if (passed && !passedFilter(filter_generation))
-//	{
-//		// reset current height, because last time we drew it
-//		// it might have had more visible items than now
-//		mCurHeight = 0.f;
-//	}
-//
-//	LLFolderViewItem::setPassedFilter(passed, passed_folder, filter_generation);
-//}
-
-
-// Passes selection information on to children and record selection
-// information if necessary.
-BOOL LLFolderViewFolder::setSelection(LLFolderViewItem* selection, BOOL openitem,
-                                      BOOL take_keyboard_focus)
-{
-	BOOL rv = FALSE;
-	if (selection == this)
-	{
-		if (!isSelected())
-		{
-			selectItem();
-		}
-		rv = TRUE;
-	}
-	else
-	{
-		if (isSelected())
-		{
-			deselectItem();
-		}
-		rv = FALSE;
-	}
-	BOOL child_selected = FALSE;
-
-	for (folders_t::iterator iter = mFolders.begin();
-		iter != mFolders.end();)
-	{
-		folders_t::iterator fit = iter++;
-		if((*fit)->setSelection(selection, openitem, take_keyboard_focus))
-		{
-			rv = TRUE;
-			child_selected = TRUE;
-		}
-	}
-	for (items_t::iterator iter = mItems.begin();
-		iter != mItems.end();)
-	{
-		items_t::iterator iit = iter++;
-		if((*iit)->setSelection(selection, openitem, take_keyboard_focus))
-		{
-			rv = TRUE;
-			child_selected = TRUE;
-		}
-	}
-	if(openitem && child_selected)
-	{
-		setOpenArrangeRecursively(TRUE);
-	}
-	return rv;
-}
-
-// This method is used to change the selection of an item.
-// Recursively traverse all children; if 'selection' is 'this' then change
-// the select status if necessary.
-// Returns TRUE if the selection state of this folder, or of a child, was changed.
-BOOL LLFolderViewFolder::changeSelection(LLFolderViewItem* selection, BOOL selected)
-{
-	BOOL rv = FALSE;
-	if(selection == this)
-	{
-		if (isSelected() != selected)
-		{
-			rv = TRUE;
-			if (selected)
-			{
-				selectItem();
-			}
-			else
-			{
-				deselectItem();
-			}
-		}
-	}
-
-	for (folders_t::iterator iter = mFolders.begin();
-		iter != mFolders.end();)
-	{
-		folders_t::iterator fit = iter++;
-		if((*fit)->changeSelection(selection, selected))
-		{
-			rv = TRUE;
-		}
-	}
-	for (items_t::iterator iter = mItems.begin();
-		iter != mItems.end();)
-	{
-		items_t::iterator iit = iter++;
-		if((*iit)->changeSelection(selection, selected))
-		{
-			rv = TRUE;
-		}
-	}
-	return rv;
-}
-
-LLFolderViewFolder* LLFolderViewFolder::getCommonAncestor(LLFolderViewItem* item_a, LLFolderViewItem* item_b, bool& reverse)
-{
-	if (!item_a->getParentFolder() || !item_b->getParentFolder()) return NULL;
-
-	std::deque<LLFolderViewFolder*> item_a_ancestors;
-
-	LLFolderViewFolder* parent = item_a->getParentFolder();
-	while(parent)
-	{
-		item_a_ancestors.push_back(parent);
-		parent = parent->getParentFolder();
-	}
-
-	std::deque<LLFolderViewFolder*> item_b_ancestors;
-	
-	parent = item_b->getParentFolder();
-	while(parent)
-	{
-		item_b_ancestors.push_back(parent);
-		parent = parent->getParentFolder();
-	}
-
-	LLFolderViewFolder* common_ancestor = item_a->getRoot();
-
-	while(item_a_ancestors.size() > item_b_ancestors.size())
-	{
-		item_a = item_a_ancestors.front();
-		item_a_ancestors.pop_front();
-	}
-
-	while(item_b_ancestors.size() > item_a_ancestors.size())
-	{
-		item_b = item_b_ancestors.front();
-		item_b_ancestors.pop_front();
-	}
-
-	while(item_a_ancestors.size())
-	{
-		common_ancestor = item_a_ancestors.front();
-
-		if (item_a_ancestors.front() == item_b_ancestors.front())
-		{
-			// which came first, sibling a or sibling b?
-			for (folders_t::iterator it = common_ancestor->mFolders.begin(), end_it = common_ancestor->mFolders.end();
-				it != end_it;
-				++it)
-			{
-				LLFolderViewItem* item = *it;
-
-				if (item == item_a)
-				{
-					reverse = false;
-					return common_ancestor;
-				}
-				if (item == item_b)
-				{
-					reverse = true;
-					return common_ancestor;
-				}
-			}
-
-			for (items_t::iterator it = common_ancestor->mItems.begin(), end_it = common_ancestor->mItems.end();
-				it != end_it;
-				++it)
-			{
-				LLFolderViewItem* item = *it;
-
-				if (item == item_a)
-				{
-					reverse = false;
-					return common_ancestor;
-				}
-				if (item == item_b)
-				{
-					reverse = true;
-					return common_ancestor;
-				}
-			}
-			break;
-		}
-
-		item_a = item_a_ancestors.front();
-		item_a_ancestors.pop_front();
-		item_b = item_b_ancestors.front();
-		item_b_ancestors.pop_front();
-	}
-
-	return NULL;
-}
-
-void LLFolderViewFolder::gatherChildRangeExclusive(LLFolderViewItem* start, LLFolderViewItem* end, bool reverse, std::vector<LLFolderViewItem*>& items)
-{
-	bool selecting = start == NULL;
-	if (reverse)
-	{
-		for (items_t::reverse_iterator it = mItems.rbegin(), end_it = mItems.rend();
-			it != end_it;
-			++it)
-		{
-			if (*it == end)
-			{
-				return;
-			}
-			if (selecting)
-			{
-				items.push_back(*it);
-			}
-
-			if (*it == start)
-			{
-				selecting = true;
-			}
-		}
-		for (folders_t::reverse_iterator it = mFolders.rbegin(), end_it = mFolders.rend();
-			it != end_it;
-			++it)
-		{
-			if (*it == end)
-			{
-				return;
-			}
-
-			if (selecting)
-			{
-				items.push_back(*it);
-			}
-
-			if (*it == start)
-			{
-				selecting = true;
-			}
-		}
-	}
-	else
-	{
-		for (folders_t::iterator it = mFolders.begin(), end_it = mFolders.end();
-			it != end_it;
-			++it)
-		{
-			if (*it == end)
-			{
-				return;
-			}
-
-			if (selecting)
-			{
-				items.push_back(*it);
-			}
-
-			if (*it == start)
-			{
-				selecting = true;
-			}
-		}
-		for (items_t::iterator it = mItems.begin(), end_it = mItems.end();
-			it != end_it;
-			++it)
-		{
-			if (*it == end)
-			{
-				return;
-			}
-
-			if (selecting)
-			{
-				items.push_back(*it);
-			}
-
-			if (*it == start)
-			{
-				selecting = true;
-			}
-		}
-	}
-}
-
-void LLFolderViewFolder::extendSelectionTo(LLFolderViewItem* new_selection)
-{
-	if (getRoot()->getAllowMultiSelect() == FALSE) return;
-
-	LLFolderViewItem* cur_selected_item = getRoot()->getCurSelectedItem();
-	if (cur_selected_item == NULL)
-	{
-		cur_selected_item = new_selection;
-	}
-
-
-	bool reverse = false;
-	LLFolderViewFolder* common_ancestor = getCommonAncestor(cur_selected_item, new_selection, reverse);
-	if (!common_ancestor) return;
-
-	LLFolderViewItem* last_selected_item_from_cur = cur_selected_item;
-	LLFolderViewFolder* cur_folder = cur_selected_item->getParentFolder();
-
-	std::vector<LLFolderViewItem*> items_to_select_forward;
-
-	while(cur_folder != common_ancestor)
-	{
-		cur_folder->gatherChildRangeExclusive(last_selected_item_from_cur, NULL, reverse, items_to_select_forward);
-			
-		last_selected_item_from_cur = cur_folder;
-		cur_folder = cur_folder->getParentFolder();
-	}
-
-	std::vector<LLFolderViewItem*> items_to_select_reverse;
-
-	LLFolderViewItem* last_selected_item_from_new = new_selection;
-	cur_folder = new_selection->getParentFolder();
-	while(cur_folder != common_ancestor)
-	{
-		cur_folder->gatherChildRangeExclusive(last_selected_item_from_new, NULL, !reverse, items_to_select_reverse);
-
-		last_selected_item_from_new = cur_folder;
-		cur_folder = cur_folder->getParentFolder();
-	}
-
-	common_ancestor->gatherChildRangeExclusive(last_selected_item_from_cur, last_selected_item_from_new, reverse, items_to_select_forward);
-
-	for (std::vector<LLFolderViewItem*>::reverse_iterator it = items_to_select_reverse.rbegin(), end_it = items_to_select_reverse.rend();
-		it != end_it;
-		++it)
-	{
-		items_to_select_forward.push_back(*it);
-	}
-
-	LLFolderView* root = getRoot();
-
-	for (std::vector<LLFolderViewItem*>::iterator it = items_to_select_forward.begin(), end_it = items_to_select_forward.end();
-		it != end_it;
-		++it)
-	{
-		LLFolderViewItem* item = *it;
-		if (item->isSelected())
-		{
-			root->removeFromSelectionList(item);
-		}
-		else
-		{
-			item->selectItem();
-		}
-		root->addToSelectionList(item);
-	}
-
-	if (new_selection->isSelected())
-	{
-		root->removeFromSelectionList(new_selection);
-	}
-	else
-	{
-		new_selection->selectItem();
-	}
-	root->addToSelectionList(new_selection);
-}
-
-
-void LLFolderViewFolder::destroyView()
-{
-	std::for_each(mItems.begin(), mItems.end(), DeletePointer());
-	mItems.clear();
-
-	while (!mFolders.empty())
-	{
-		LLFolderViewFolder *folderp = mFolders.back();
-		folderp->destroyView(); // removes entry from mFolders
-	}
-
-	LLFolderViewItem::destroyView();
-}
-
-// extractItem() removes the specified item from the folder, but
-// doesn't delete it.
-void LLFolderViewFolder::extractItem( LLFolderViewItem* item )
-{
-	items_t::iterator it = std::find(mItems.begin(), mItems.end(), item);
-	if(it == mItems.end())
-	{
-		// This is an evil downcast. However, it's only doing
-		// pointer comparison to find if (which it should be ) the
-		// item is in the container, so it's pretty safe.
-		LLFolderViewFolder* f = static_cast<LLFolderViewFolder*>(item);
-		folders_t::iterator ft;
-		ft = std::find(mFolders.begin(), mFolders.end(), f);
-		if (ft != mFolders.end())
-		{
-			mFolders.erase(ft);
-		}
-	}
-	else
-	{
-		mItems.erase(it);
-	}
-	//item has been removed, need to update filter
-	getViewModelItem()->removeChild(item->getViewModelItem());
-	getViewModelItem()->dirtyFilter();
-	//because an item is going away regardless of filter status, force rearrange
-	requestArrange();
-	removeChild(item);
-}
-
-BOOL LLFolderViewFolder::isMovable()
-{
-	if( !(getViewModelItem()->isItemMovable()) )
-		{
-			return FALSE;
-		}
-
-		for (items_t::iterator iter = mItems.begin();
-			iter != mItems.end();)
-		{
-			items_t::iterator iit = iter++;
-			if(!(*iit)->isMovable())
-			{
-				return FALSE;
-			}
-		}
-
-		for (folders_t::iterator iter = mFolders.begin();
-			iter != mFolders.end();)
-		{
-			folders_t::iterator fit = iter++;
-			if(!(*fit)->isMovable())
-			{
-				return FALSE;
-			}
-		}
-	return TRUE;
-}
-
-
-BOOL LLFolderViewFolder::isRemovable()
-{
-	if( !(getViewModelItem()->isItemRemovable()) )
-		{
-			return FALSE;
-		}
-
-		for (items_t::iterator iter = mItems.begin();
-			iter != mItems.end();)
-		{
-			items_t::iterator iit = iter++;
-			if(!(*iit)->isRemovable())
-			{
-				return FALSE;
-			}
-		}
-
-		for (folders_t::iterator iter = mFolders.begin();
-			iter != mFolders.end();)
-		{
-			folders_t::iterator fit = iter++;
-			if(!(*fit)->isRemovable())
-			{
-				return FALSE;
-			}
-		}
-	return TRUE;
-}
-
-// this is an internal method used for adding items to folders. 
-BOOL LLFolderViewFolder::addItem(LLFolderViewItem* item)
-{
-	if (item->getParentFolder())
-	{
-		item->getParentFolder()->extractItem(item);
-	}
-	item->setParentFolder(this);
-
-	mItems.push_back(item);
-	
-	item->setRect(LLRect(0, 0, getRect().getWidth(), 0));
-	item->setVisible(FALSE);
-	
-	addChild(item);
-	
-	item->getViewModelItem()->dirtyFilter();
-
-	// Handle sorting
-	requestArrange();
-	requestSort();
-
-	getViewModelItem()->addChild(item->getViewModelItem());
-
-	//TODO RN - make sort bubble up as long as parent Folder doesn't have anything matching sort criteria
-	//// Traverse parent folders and update creation date and resort, if necessary
-	//LLFolderViewFolder* parentp = this;
-	//while (parentp)
-	//{
-	//	if (parentp->mSortFunction.isByDate())
-	//	{
-	//		// parent folder doesn't have a time stamp yet, so get it from us
-	//		parentp->requestSort();
-	//	}
-
-	//	parentp = parentp->getParentFolder();
-	//}
-
-	return TRUE;
-}
-
-// this is an internal method used for adding items to folders. 
-BOOL LLFolderViewFolder::addFolder(LLFolderViewFolder* folder)
-{
-	if (folder->mParentFolder)
-	{
-		folder->mParentFolder->extractItem(folder);
-	}
-	folder->mParentFolder = this;
-	mFolders.push_back(folder);
-	folder->setOrigin(0, 0);
-	folder->reshape(getRect().getWidth(), 0);
-	folder->setVisible(FALSE);
-	addChild( folder );
-	folder->getViewModelItem()->dirtyFilter();
-	// rearrange all descendants too, as our indentation level might have changed
-	folder->requestArrange();
-	requestSort();
-
-	getViewModelItem()->addChild(folder->getViewModelItem());
-
-	return TRUE;
-}
-
-void LLFolderViewFolder::requestArrange()
-{ 
-	mLastArrangeGeneration = -1; 
-	// flag all items up to root
-	if (mParentFolder)
-	{
-		mParentFolder->requestArrange();
-	}
-}
-
-void LLFolderViewFolder::toggleOpen()
-{
-	setOpen(!isOpen());
-}
-
-// Force a folder open or closed
-void LLFolderViewFolder::setOpen(BOOL openitem)
-{
-	setOpenArrangeRecursively(openitem);
-}
-
-void LLFolderViewFolder::setOpenArrangeRecursively(BOOL openitem, ERecurseType recurse)
-{
-	BOOL was_open = isOpen();
-	mIsOpen = openitem;
-	if(!was_open && openitem)
-	{
-		getViewModelItem()->openItem();
-	}
-	else if(was_open && !openitem)
-	{
-		getViewModelItem()->closeItem();
-	}
-
-	if (recurse == RECURSE_DOWN || recurse == RECURSE_UP_DOWN)
-	{
-		for (folders_t::iterator iter = mFolders.begin();
-			iter != mFolders.end();)
-		{
-			folders_t::iterator fit = iter++;
-			(*fit)->setOpenArrangeRecursively(openitem, RECURSE_DOWN);		/* Flawfinder: ignore */
-		}
-	}
-	if (mParentFolder
-		&&	(recurse == RECURSE_UP
-			|| recurse == RECURSE_UP_DOWN))
-	{
-		mParentFolder->setOpenArrangeRecursively(openitem, RECURSE_UP);
-	}
-
-	if (was_open != isOpen())
-	{
-		requestArrange();
-	}
-}
-
-BOOL LLFolderViewFolder::handleDragAndDropFromChild(MASK mask,
-													BOOL drop,
-													EDragAndDropType c_type,
-													void* cargo_data,
-													EAcceptance* accept,
-													std::string& tooltip_msg)
-{
-	BOOL accepted = mViewModelItem->dragOrDrop(mask,drop,c_type,cargo_data, tooltip_msg);
-	if (accepted) 
-	{
-		mDragAndDropTarget = TRUE;
-		*accept = ACCEPT_YES_MULTI;
-	}
-	else 
-	{
-		*accept = ACCEPT_NO;
-	}
-
-	// drag and drop to child item, so clear pending auto-opens
-	getRoot()->autoOpenTest(NULL);
-
-	return TRUE;
-}
-
-void LLFolderViewFolder::openItem( void )
-{
-	toggleOpen();
-}
-
-void LLFolderViewFolder::applyFunctorToChildren(LLFolderViewFunctor& functor)
-{
-	for (folders_t::iterator iter = mFolders.begin();
-		iter != mFolders.end();)
-	{
-		folders_t::iterator fit = iter++;
-		functor.doItem((*fit));
-	}
-	for (items_t::iterator iter = mItems.begin();
-		iter != mItems.end();)
-	{
-		items_t::iterator iit = iter++;
-		functor.doItem((*iit));
-	}
-}
-
-void LLFolderViewFolder::applyFunctorRecursively(LLFolderViewFunctor& functor)
-{
-	functor.doFolder(this);
-
-	for (folders_t::iterator iter = mFolders.begin();
-		iter != mFolders.end();)
-	{
-		folders_t::iterator fit = iter++;
-		(*fit)->applyFunctorRecursively(functor);
-	}
-	for (items_t::iterator iter = mItems.begin();
-		iter != mItems.end();)
-	{
-		items_t::iterator iit = iter++;
-		functor.doItem((*iit));
-	}
-}
-
-// LLView functionality
-BOOL LLFolderViewFolder::handleDragAndDrop(S32 x, S32 y, MASK mask,
-										   BOOL drop,
-										   EDragAndDropType cargo_type,
-										   void* cargo_data,
-										   EAcceptance* accept,
-										   std::string& tooltip_msg)
-{
-	BOOL handled = FALSE;
-
-	if (isOpen())
-	{
-		handled = (childrenHandleDragAndDrop(x, y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg) != NULL);
-	}
-
-	if (!handled)
-	{
-		handleDragAndDropToThisFolder(mask, drop, cargo_type, cargo_data, accept, tooltip_msg);
-
-		lldebugst(LLERR_USER_INPUT) << "dragAndDrop handled by LLFolderViewFolder" << llendl;
-	}
-
-	return TRUE;
-}
-
-BOOL LLFolderViewFolder::handleDragAndDropToThisFolder(MASK mask,
-													   BOOL drop,
-													   EDragAndDropType cargo_type,
-													   void* cargo_data,
-													   EAcceptance* accept,
-													   std::string& tooltip_msg)
-{
-	BOOL accepted = getViewModelItem()->dragOrDrop(mask,drop,cargo_type,cargo_data, tooltip_msg);
-	
-	if (accepted) 
-	{
-		mDragAndDropTarget = TRUE;
-		*accept = ACCEPT_YES_MULTI;
-	}
-	else 
-	{
-		*accept = ACCEPT_NO;
-	}
-	
-	if (!drop && accepted)
-	{
-		getRoot()->autoOpenTest(this);
-	}
-	
-	return TRUE;
-}
-
-
-BOOL LLFolderViewFolder::handleRightMouseDown( S32 x, S32 y, MASK mask )
-{
-	BOOL handled = FALSE;
-
-	if( isOpen() )
-	{
-		handled = childrenHandleRightMouseDown( x, y, mask ) != NULL;
-	}
-	if (!handled)
-	{
-		handled = LLFolderViewItem::handleRightMouseDown( x, y, mask );
-	}
-	return handled;
-}
-
-
-BOOL LLFolderViewFolder::handleHover(S32 x, S32 y, MASK mask)
-{
-	mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
-
-	BOOL handled = LLView::handleHover(x, y, mask);
-
-	if (!handled)
-	{
-		// this doesn't do child processing
-		handled = LLFolderViewItem::handleHover(x, y, mask);
-	}
-
-	return handled;
-}
-
-BOOL LLFolderViewFolder::handleMouseDown( S32 x, S32 y, MASK mask )
-{
-	BOOL handled = FALSE;
-	if( isOpen() )
-	{
-		handled = childrenHandleMouseDown(x,y,mask) != NULL;
-	}
-	if( !handled )
-	{
-		if(mIndentation < x && x < mIndentation + ARROW_SIZE + TEXT_PAD)
-		{
-			toggleOpen();
-			handled = TRUE;
-		}
-		else
-		{
-			// do normal selection logic
-			handled = LLFolderViewItem::handleMouseDown(x, y, mask);
-		}
-	}
-
-	return handled;
-}
-
-BOOL LLFolderViewFolder::handleDoubleClick( S32 x, S32 y, MASK mask )
-{
-	BOOL handled = FALSE;
-	if( isOpen() )
-	{
-		handled = childrenHandleDoubleClick( x, y, mask ) != NULL;
-	}
-	if( !handled )
-	{
-		if(mIndentation < x && x < mIndentation + ARROW_SIZE + TEXT_PAD)
-		{
-			// don't select when user double-clicks plus sign
-			// so as not to contradict single-click behavior
-			toggleOpen();
-		}
-		else
-		{
-			getRoot()->setSelection(this, FALSE);
-			toggleOpen();
-		}
-		handled = TRUE;
-	}
-	return handled;
-}
-
-void LLFolderViewFolder::draw()
-{
-	if (mAutoOpenCountdown != 0.f)
-	{
-		mControlLabelRotation = mAutoOpenCountdown * -90.f;
-	}
-	else if (isOpen())
-	{
-		mControlLabelRotation = lerp(mControlLabelRotation, -90.f, LLCriticalDamp::getInterpolant(0.04f));
-	}
-	else
-	{
-		mControlLabelRotation = lerp(mControlLabelRotation, 0.f, LLCriticalDamp::getInterpolant(0.025f));
-	}
-
-	LLFolderViewItem::draw();
-
-	// draw children if root folder, or any other folder that is open or animating to closed state
-	if( getRoot() == this || (isOpen() || mCurHeight != mTargetHeight ))
-	{
-		LLView::draw();
-	}
-
-	mExpanderHighlighted = FALSE;
-}
-
-// this does prefix traversal, as folders are listed above their contents
-LLFolderViewItem* LLFolderViewFolder::getNextFromChild( LLFolderViewItem* item, BOOL include_children )
-{
-	BOOL found_item = FALSE;
-
-	LLFolderViewItem* result = NULL;
-	// when not starting from a given item, start at beginning
-	if(item == NULL)
-	{
-		found_item = TRUE;
-	}
-
-	// find current item among children
-	folders_t::iterator fit = mFolders.begin();
-	folders_t::iterator fend = mFolders.end();
-
-	items_t::iterator iit = mItems.begin();
-	items_t::iterator iend = mItems.end();
-
-	// if not trivially starting at the beginning, we have to find the current item
-	if (!found_item)
-	{
-		// first, look among folders, since they are always above items
-		for(; fit != fend; ++fit)
-		{
-			if(item == (*fit))
-			{
-				found_item = TRUE;
-				// if we are on downwards traversal
-				if (include_children && (*fit)->isOpen())
-				{
-					// look for first descendant
-					return (*fit)->getNextFromChild(NULL, TRUE);
-				}
-				// otherwise advance to next folder
-				++fit;
-				include_children = TRUE;
-				break;
-			}
-		}
-
-		// didn't find in folders?  Check items...
-		if (!found_item)
-		{
-			for(; iit != iend; ++iit)
-			{
-				if(item == (*iit))
-				{
-					found_item = TRUE;
-					// point to next item
-					++iit;
-					break;
-				}
-			}
-		}
-	}
-
-	if (!found_item)
-	{
-		// you should never call this method with an item that isn't a child
-		// so we should always find something
-		llassert(FALSE);
-		return NULL;
-	}
-
-	// at this point, either iit or fit point to a candidate "next" item
-	// if both are out of range, we need to punt up to our parent
-
-	// now, starting from found folder, continue through folders
-	// searching for next visible folder
-	while(fit != fend && !(*fit)->getVisible())
-	{
-		// turn on downwards traversal for next folder
-		++fit;
-	} 
-
-	if (fit != fend)
-	{
-		result = (*fit);
-	}
-	else
-	{
-		// otherwise, scan for next visible item
-		while(iit != iend && !(*iit)->getVisible())
-		{
-			++iit;
-		} 
-
-		// check to see if we have a valid item
-		if (iit != iend)
-		{
-			result = (*iit);
-		}
-	}
-
-	if( !result && mParentFolder )
-	{
-		// If there are no siblings or children to go to, recurse up one level in the tree
-		// and skip children for this folder, as we've already discounted them
-		result = mParentFolder->getNextFromChild(this, FALSE);
-	}
-
-	return result;
-}
-
-// this does postfix traversal, as folders are listed above their contents
-LLFolderViewItem* LLFolderViewFolder::getPreviousFromChild( LLFolderViewItem* item, BOOL include_children )
-{
-	BOOL found_item = FALSE;
-
-	LLFolderViewItem* result = NULL;
-	// when not starting from a given item, start at end
-	if(item == NULL)
-	{
-		found_item = TRUE;
-	}
-
-	// find current item among children
-	folders_t::reverse_iterator fit = mFolders.rbegin();
-	folders_t::reverse_iterator fend = mFolders.rend();
-
-	items_t::reverse_iterator iit = mItems.rbegin();
-	items_t::reverse_iterator iend = mItems.rend();
-
-	// if not trivially starting at the end, we have to find the current item
-	if (!found_item)
-	{
-		// first, look among items, since they are always below the folders
-		for(; iit != iend; ++iit)
-		{
-			if(item == (*iit))
-			{
-				found_item = TRUE;
-				// point to next item
-				++iit;
-				break;
-			}
-		}
-
-		// didn't find in items?  Check folders...
-		if (!found_item)
-		{
-			for(; fit != fend; ++fit)
-			{
-				if(item == (*fit))
-				{
-					found_item = TRUE;
-					// point to next folder
-					++fit;
-					break;
-				}
-			}
-		}
-	}
-
-	if (!found_item)
-	{
-		// you should never call this method with an item that isn't a child
-		// so we should always find something
-		llassert(FALSE);
-		return NULL;
-	}
-
-	// at this point, either iit or fit point to a candidate "next" item
-	// if both are out of range, we need to punt up to our parent
-
-	// now, starting from found item, continue through items
-	// searching for next visible item
-	while(iit != iend && !(*iit)->getVisible())
-	{
-		++iit;
-	} 
-
-	if (iit != iend)
-	{
-		// we found an appropriate item
-		result = (*iit);
-	}
-	else
-	{
-		// otherwise, scan for next visible folder
-		while(fit != fend && !(*fit)->getVisible())
-		{
-			++fit;
-		} 
-
-		// check to see if we have a valid folder
-		if (fit != fend)
-		{
-			// try selecting child element of this folder
-			if ((*fit)->isOpen())
-			{
-				result = (*fit)->getPreviousFromChild(NULL);
-			}
-			else
-			{
-				result = (*fit);
-			}
-		}
-	}
-
-	if( !result )
-	{
-		// If there are no siblings or children to go to, recurse up one level in the tree
-		// which gets back to this folder, which will only be visited if it is a valid, visible item
-		result = this;
-	}
-
-	return result;
-}
-