EXP-1841 : Pull the whole Cut and Paste feature in viewer-experience

32 files changed, 754 insertions, 397 deletions

diff --git a/indra/llui/llclipboard.cpp b/indra/llui/llclipboard.cpp
index 6910b962a1..14173fdbb0 100644
--- a/indra/llui/llclipboard.cpp
+++ b/indra/llui/llclipboard.cpp
@@ -34,109 +34,113 @@
 #include "llview.h"
 #include "llwindow.h"
 
-// Global singleton
-LLClipboard gClipboard;
-
-
-LLClipboard::LLClipboard()
+LLClipboard::LLClipboard() :
+	mGeneration(0)
 {
-	mSourceItem = NULL;
+	reset();
 }
 
-
 LLClipboard::~LLClipboard()
 {
+	reset();
 }
 
-
-void LLClipboard::copyFromSubstring(const LLWString &src, S32 pos, S32 len, const LLUUID& source_id )
+void LLClipboard::reset()
 {
-	mSourceID = source_id;
-	mString = src.substr(pos, len);
-	LLView::getWindow()->copyTextToClipboard( mString );
+	// Increment the clipboard count
+	mGeneration++;
+	// Clear the clipboard
+	mObjects.clear();
+	mCutMode = false;
+	mString = LLWString();
 }
 
-void LLClipboard::copyFromString(const LLWString &src, const LLUUID& source_id )
+// Copy the input uuid to the LL clipboard
+bool LLClipboard::copyToClipboard(const LLUUID& src, const LLAssetType::EType type)
 {
-	mSourceID = source_id;
-	mString = src;
-	LLView::getWindow()->copyTextToClipboard( mString );
+	reset();
+	return addToClipboard(src, type);
 }
 
-const LLWString& LLClipboard::getPasteWString( LLUUID* source_id )
+// Add the input uuid to the LL clipboard
+// Convert the uuid to string and concatenate that string to the system clipboard if legit
+bool LLClipboard::addToClipboard(const LLUUID& src, const LLAssetType::EType type)
 {
-	if( mSourceID.notNull() )
+	bool res = false;
+	if (src.notNull())
 	{
-		LLWString temp_string;
-		LLView::getWindow()->pasteTextFromClipboard(temp_string);
-
-		if( temp_string != mString )
+		res = true;
+		if (LLAssetType::lookupIsAssetIDKnowable(type))
 		{
-			mSourceID.setNull();
-			mString = temp_string;
+			LLWString source = utf8str_to_wstring(src.asString());
+			res = addToClipboard(source, 0, source.size());
+		}
+		if (res)
+		{
+			mObjects.push_back(src);
+			mGeneration++;
 		}
 	}
-	else
-	{
-		LLView::getWindow()->pasteTextFromClipboard(mString);
-	}
+	return res;
+}
 
-	if( source_id )
+bool LLClipboard::pasteFromClipboard(std::vector<LLUUID>& inv_objects) const
+{
+	bool res = false;
+	S32 count = mObjects.size();
+	if (count > 0)
 	{
-		*source_id = mSourceID;
+		res = true;
+		inv_objects.clear();
+		for (S32 i = 0; i < count; i++)
+		{
+			inv_objects.push_back(mObjects[i]);
+		}
 	}
-
-	return mString;
+	return res;
 }
 
+// Returns true if the LL Clipboard has pasteable items in it
+bool LLClipboard::hasContents() const
+{
+	return (mObjects.size() > 0);
+}
 
-BOOL LLClipboard::canPasteString() const
+// Returns true if the input uuid is in the list of clipboard objects
+bool LLClipboard::isOnClipboard(const LLUUID& object) const
 {
-	return LLView::getWindow()->isClipboardTextAvailable();
+	std::vector<LLUUID>::const_iterator iter = std::find(mObjects.begin(), mObjects.end(), object);
+	return (iter != mObjects.end());
 }
 
+// Copy the input string to the LL and the system clipboard
+bool LLClipboard::copyToClipboard(const LLWString &src, S32 pos, S32 len, bool use_primary)
+{
+	return addToClipboard(src, pos, len, use_primary);
+}
 
-void LLClipboard::copyFromPrimarySubstring(const LLWString &src, S32 pos, S32 len, const LLUUID& source_id )
+// Concatenate the input string to the LL and the system clipboard
+bool LLClipboard::addToClipboard(const LLWString &src, S32 pos, S32 len, bool use_primary)
 {
-	mSourceID = source_id;
 	mString = src.substr(pos, len);
-	LLView::getWindow()->copyTextToPrimary( mString );
+	return (use_primary ? LLView::getWindow()->copyTextToPrimary(mString) : LLView::getWindow()->copyTextToClipboard(mString));
 }
 
-
-const LLWString& LLClipboard::getPastePrimaryWString( LLUUID* source_id )
+// Copy the System clipboard to the output string.
+// Manage the LL Clipboard / System clipboard consistency
+bool LLClipboard::pasteFromClipboard(LLWString &dst, bool use_primary)
 {
-	if( mSourceID.notNull() )
-	{
-		LLWString temp_string;
-		LLView::getWindow()->pasteTextFromPrimary(temp_string);
-
-		if( temp_string != mString )
-		{
-			mSourceID.setNull();
-			mString = temp_string;
-		}
-	}
-	else
-	{
-		LLView::getWindow()->pasteTextFromPrimary(mString);
-	}
-
-	if( source_id )
+	bool res = (use_primary ? LLView::getWindow()->pasteTextFromPrimary(dst) : LLView::getWindow()->pasteTextFromClipboard(dst));
+	if (res)
 	{
-		*source_id = mSourceID;
+		mString = dst;
 	}
-
-	return mString;
+	return res;
 }
 
-
-BOOL LLClipboard::canPastePrimaryString() const
+// Return true if there's something on the System clipboard
+bool LLClipboard::isTextAvailable(bool use_primary) const
 {
-	return LLView::getWindow()->isPrimaryTextAvailable();
+	return (use_primary ? LLView::getWindow()->isPrimaryTextAvailable() : LLView::getWindow()->isClipboardTextAvailable());
 }
 
-void LLClipboard::setSourceObject(const LLUUID& source_id, LLAssetType::EType type) 
-{
-	mSourceItem = new LLInventoryObject (source_id, LLUUID::null, type, "");
-}
diff --git a/indra/llui/llclipboard.h b/indra/llui/llclipboard.h
index 9371b94284..fd2e7610df 100644
--- a/indra/llui/llclipboard.h
+++ b/indra/llui/llclipboard.h
@@ -27,46 +27,68 @@
 #ifndef LL_LLCLIPBOARD_H
 #define LL_LLCLIPBOARD_H
 
+#include <boost/function.hpp>
 
 #include "llstring.h"
 #include "lluuid.h"
 #include "stdenums.h"
+#include "llsingleton.h"
+#include "llassettype.h"
 #include "llinventory.h"
 
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Class LLClipboard
+//
+// This class is used to cut/copy/paste text strings and inventory items around 
+// the world. Use LLClipboard::instance().method() to use its methods.
+// Note that the text and UUIDs are loosely coupled only. There are few cases
+// where the viewer does offer a serialized version of the UUID on the clipboard.
+// In those case, the text is overridden when copying/cutting the item. 
+// In all other cases, the text and the UUIDs are very much independent.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-class LLClipboard
+class LLClipboard : public LLSingleton<LLClipboard>
 {
 public:
 	LLClipboard();
 	~LLClipboard();
+	
+	// Clears the clipboard
+	void reset();
+	// Returns the state of the clipboard so client can know if it has been modified (comparing with tracked state)
+	int	getGeneration() const { return mGeneration; }
 
-	/* We support two flavors of clipboard.  The default is the explicitly
-	   copy-and-pasted clipboard.  The second is the so-called 'primary' clipboard
-	   which is implicitly copied upon selection on platforms which expect this
-	   (i.e. X11/Linux). */
-
-	void		copyFromSubstring(const LLWString &copy_from, S32 pos, S32 len, const LLUUID& source_id = LLUUID::null );
-	void		copyFromString(const LLWString &copy_from, const LLUUID& source_id = LLUUID::null );
-	BOOL		canPasteString() const;
-	const LLWString&	getPasteWString(LLUUID* source_id = NULL);
+	// Text strings management:
+	// ------------------------
+	// We support two flavors of text clipboards. The default is the explicitly
+	// copy-and-pasted clipboard. The second is the so-called 'primary' clipboard
+	// which is implicitly copied upon selection on platforms which expect this
+	// (i.e. X11/Linux, Mac).
+	bool copyToClipboard(const LLWString& src, S32 pos, S32 len, bool use_primary = false);
+	bool addToClipboard(const LLWString& src, S32 pos, S32 len, bool use_primary = false);
+	bool pasteFromClipboard(LLWString& dst, bool use_primary = false);
+	bool isTextAvailable(bool use_primary = false) const;
+	
+	// Object list management:
+	// -----------------------
+	// Clears and adds one single object to the clipboard
+	bool copyToClipboard(const LLUUID& src, const LLAssetType::EType type = LLAssetType::AT_NONE);
+	// Adds one object to the current list of objects on the clipboard
+	bool addToClipboard(const LLUUID& src, const LLAssetType::EType type = LLAssetType::AT_NONE);
+	// Gets a copy of the objects on the clipboard
+	bool pasteFromClipboard(std::vector<LLUUID>& inventory_objects) const;
+	
+	bool hasContents() const;										// True if the clipboard has pasteable objects
+	bool isOnClipboard(const LLUUID& object) const;					// True if the input object uuid is on the clipboard
 
-	void		copyFromPrimarySubstring(const LLWString &copy_from, S32 pos, S32 len, const LLUUID& source_id = LLUUID::null );
-	BOOL		canPastePrimaryString() const;
-	const LLWString&	getPastePrimaryWString(LLUUID* source_id = NULL);	
+	bool isCutMode() const { return mCutMode; }
+	void setCutMode(bool mode) { mCutMode = mode; mGeneration++; }
 
-	// Support clipboard for object known only by their uuid and asset type
-	void		  setSourceObject(const LLUUID& source_id, LLAssetType::EType type);
-	const LLInventoryObject* getSourceObject() { return mSourceItem; }
-	
 private:
-	LLUUID      mSourceID;
-	LLWString	mString;
-	LLInventoryObject* mSourceItem;
+	std::vector<LLUUID> mObjects;		// Objects on the clipboard. Can be empty while mString contains something licit (e.g. text from chat)
+	LLWString mString;					// The text string. If mObjects is not empty, this string is reflecting them (UUIDs for the moment) if the asset type is knowable.
+	bool mCutMode;						// This is a convenience flag for the viewer.
+	int mGeneration;					// Incremented when the clipboard changes so that interested parties can check for changes on the clipboard.	
 };
 
-
-// Global singleton
-extern LLClipboard gClipboard;
-
-
 #endif  // LL_LLCLIPBOARD_H
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp
index 7e84814c51..d0fbf4b913 100644
--- a/indra/llui/lllineeditor.cpp
+++ b/indra/llui/lllineeditor.cpp
@@ -1047,7 +1047,7 @@ void LLLineEditor::cut()
 		// Prepare for possible rollback
 		LLLineEditorRollback rollback( this );
 
-		gClipboard.copyFromSubstring( mText.getWString(), left_pos, length );
+		LLClipboard::instance().copyToClipboard( mText.getWString(), left_pos, length );
 		deleteSelection();
 
 		// Validate new string and rollback the if needed.
@@ -1078,13 +1078,13 @@ void LLLineEditor::copy()
 	{
 		S32 left_pos = llmin( mSelectionStart, mSelectionEnd );
 		S32 length = llabs( mSelectionStart - mSelectionEnd );
-		gClipboard.copyFromSubstring( mText.getWString(), left_pos, length );
+		LLClipboard::instance().copyToClipboard( mText.getWString(), left_pos, length );
 	}
 }
 
 BOOL LLLineEditor::canPaste() const
 {
-	return !mReadOnly && gClipboard.canPasteString(); 
+	return !mReadOnly && LLClipboard::instance().isTextAvailable(); 
 }
 
 void LLLineEditor::paste()
@@ -1115,14 +1115,7 @@ void LLLineEditor::pasteHelper(bool is_primary)
 	if (can_paste_it)
 	{
 		LLWString paste;
-		if (is_primary)
-		{
-			paste = gClipboard.getPastePrimaryWString();
-		}
-		else 
-		{
-			paste = gClipboard.getPasteWString();
-		}
+		LLClipboard::instance().pasteFromClipboard(paste, is_primary);
 
 		if (!paste.empty())
 		{
@@ -1209,13 +1202,13 @@ void LLLineEditor::copyPrimary()
 	{
 		S32 left_pos = llmin( mSelectionStart, mSelectionEnd );
 		S32 length = llabs( mSelectionStart - mSelectionEnd );
-		gClipboard.copyFromPrimarySubstring( mText.getWString(), left_pos, length );
+		LLClipboard::instance().copyToClipboard( mText.getWString(), left_pos, length, true);
 	}
 }
 
 BOOL LLLineEditor::canPastePrimary() const
 {
-	return !mReadOnly && gClipboard.canPastePrimaryString(); 
+	return !mReadOnly && LLClipboard::instance().isTextAvailable(true); 
 }
 
 void LLLineEditor::updatePrimary()
diff --git a/indra/llui/llscrolllistctrl.cpp b/indra/llui/llscrolllistctrl.cpp
index 466fac33ea..b3e1b63db5 100644
--- a/indra/llui/llscrolllistctrl.cpp
+++ b/indra/llui/llscrolllistctrl.cpp
@@ -2504,7 +2504,7 @@ void	LLScrollListCtrl::copy()
 	{
 		buffer += (*itor)->getContentsCSV() + "\n";
 	}
-	gClipboard.copyFromSubstring(utf8str_to_wstring(buffer), 0, buffer.length());
+	LLClipboard::instance().copyToClipboard(utf8str_to_wstring(buffer), 0, buffer.length());
 }
 
 // virtual
diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp
index 3409b6817d..9720dded6c 100644
--- a/indra/llui/lltexteditor.cpp
+++ b/indra/llui/lltexteditor.cpp
@@ -1332,7 +1332,7 @@ void LLTextEditor::cut()
 	}
 	S32 left_pos = llmin( mSelectionStart, mSelectionEnd );
 	S32 length = llabs( mSelectionStart - mSelectionEnd );
-	gClipboard.copyFromSubstring( getWText(), left_pos, length, mSourceID );
+	LLClipboard::instance().copyToClipboard( getWText(), left_pos, length);
 	deleteSelection( FALSE );
 
 	onKeyStroke();
@@ -1352,12 +1352,12 @@ void LLTextEditor::copy()
 	}
 	S32 left_pos = llmin( mSelectionStart, mSelectionEnd );
 	S32 length = llabs( mSelectionStart - mSelectionEnd );
-	gClipboard.copyFromSubstring(getWText(), left_pos, length, mSourceID);
+	LLClipboard::instance().copyToClipboard(getWText(), left_pos, length);
 }
 
 BOOL LLTextEditor::canPaste() const
 {
-	return !mReadOnly && gClipboard.canPasteString();
+	return !mReadOnly && LLClipboard::instance().isTextAvailable();
 }
 
 // paste from clipboard
@@ -1393,16 +1393,8 @@ void LLTextEditor::pasteHelper(bool is_primary)
 		return;
 	}
 
-	LLUUID source_id;
 	LLWString paste;
-	if (is_primary)
-	{
-		paste = gClipboard.getPastePrimaryWString(&source_id);
-	}
-	else 
-	{
-		paste = gClipboard.getPasteWString(&source_id);
-	}
+	LLClipboard::instance().pasteFromClipboard(paste, is_primary);
 
 	if (paste.empty())
 	{
@@ -1475,12 +1467,12 @@ void LLTextEditor::copyPrimary()
 	}
 	S32 left_pos = llmin( mSelectionStart, mSelectionEnd );
 	S32 length = llabs( mSelectionStart - mSelectionEnd );
-	gClipboard.copyFromPrimarySubstring(getWText(), left_pos, length, mSourceID);
+	LLClipboard::instance().copyToClipboard(getWText(), left_pos, length, true);
 }
 
 BOOL LLTextEditor::canPastePrimary() const
 {
-	return !mReadOnly && gClipboard.canPastePrimaryString();
+	return !mReadOnly && LLClipboard::instance().isTextAvailable(true);
 }
 
 void LLTextEditor::updatePrimary()
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index 66361c8fbf..0593475c54 100644
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -288,7 +288,6 @@ set(viewer_SOURCE_FILES
     llinspectremoteobject.cpp
     llinspecttoast.cpp
     llinventorybridge.cpp
-    llinventoryclipboard.cpp
     llinventoryfilter.cpp
     llinventoryfunctions.cpp
     llinventoryicon.cpp
@@ -843,7 +842,6 @@ set(viewer_HEADER_FILES
     llinspectremoteobject.h
     llinspecttoast.h
     llinventorybridge.h
-    llinventoryclipboard.h
     llinventoryfilter.h
     llinventoryfunctions.h
     llinventoryicon.h
diff --git a/indra/newview/llfavoritesbar.cpp b/indra/newview/llfavoritesbar.cpp
index f4b6dc2c81..575b613ccf 100644
--- a/indra/newview/llfavoritesbar.cpp
+++ b/indra/newview/llfavoritesbar.cpp
@@ -39,7 +39,7 @@
 
 #include "llagent.h"
 #include "llclipboard.h"
-#include "llinventoryclipboard.h"
+#include "llclipboard.h"
 #include "llinventorybridge.h"
 #include "llinventoryfunctions.h"
 #include "llfloatersidepanelcontainer.h"
@@ -1118,7 +1118,7 @@ BOOL LLFavoritesBarCtrl::handleRightMouseDown(S32 x, S32 y, MASK mask)
 }
 void copy_slurl_to_clipboard_cb(std::string& slurl)
 {
-	gClipboard.copyFromString(utf8str_to_wstring(slurl));
+	LLClipboard::instance().copyToClipboard(utf8str_to_wstring(slurl),0,slurl.size());
 
 	LLSD args;
 	args["SLURL"] = slurl;
@@ -1187,7 +1187,7 @@ void LLFavoritesBarCtrl::doToSelected(const LLSD& userdata)
 	}
 	else if (action == "copy")
 	{
-		LLInventoryClipboard::instance().store(mSelectedItemID);
+		LLClipboard::instance().copyToClipboard(mSelectedItemID, LLAssetType::AT_LANDMARK);
 	}
 	else if (action == "paste")
 	{
@@ -1211,13 +1211,13 @@ void LLFavoritesBarCtrl::doToSelected(const LLSD& userdata)
 
 BOOL LLFavoritesBarCtrl::isClipboardPasteable() const
 {
-	if (!LLInventoryClipboard::instance().hasContents())
+	if (!LLClipboard::instance().hasContents())
 	{
 		return FALSE;
 	}
 
 	LLDynamicArray<LLUUID> objects;
-	LLInventoryClipboard::instance().retrieve(objects);
+	LLClipboard::instance().pasteFromClipboard(objects);
 	S32 count = objects.count();
 	for(S32 i = 0; i < count; i++)
 	{
@@ -1246,7 +1246,7 @@ void LLFavoritesBarCtrl::pastFromClipboard() const
 	{
 		LLInventoryItem* item = NULL;
 		LLDynamicArray<LLUUID> objects;
-		LLInventoryClipboard::instance().retrieve(objects);
+		LLClipboard::instance().pasteFromClipboard(objects);
 		S32 count = objects.count();
 		LLUUID parent_id(mFavoriteFolderId);
 		for(S32 i = 0; i < count; i++)
diff --git a/indra/newview/llfloatergesture.cpp b/indra/newview/llfloatergesture.cpp
index 9ed9d10c75..56051ff684 100644
--- a/indra/newview/llfloatergesture.cpp
+++ b/indra/newview/llfloatergesture.cpp
@@ -32,7 +32,7 @@
 #include "llinventorybridge.h"
 #include "llinventoryfunctions.h"
 #include "llinventorymodel.h"
-#include "llinventoryclipboard.h"
+#include "llclipboard.h"
 
 #include "llagent.h"
 #include "llappearancemgr.h"
@@ -397,11 +397,11 @@ bool LLFloaterGesture::isActionEnabled(const LLSD& command)
 	std::string command_name = command.asString();
 	if("paste" == command_name)
 	{
-		if(!LLInventoryClipboard::instance().hasContents())
+		if(!LLClipboard::instance().hasContents())
 			return false;
 
 		LLDynamicArray<LLUUID> ids;
-		LLInventoryClipboard::instance().retrieve(ids);
+		LLClipboard::instance().pasteFromClipboard(ids);
 		for(LLDynamicArray<LLUUID>::iterator it = ids.begin(); it != ids.end(); it++)
 		{
 			LLInventoryItem* item = gInventory.getItem(*it);
@@ -496,27 +496,26 @@ void LLFloaterGesture::onActivateBtnClick()
 void LLFloaterGesture::onCopyPasteAction(const LLSD& command)
 {
 	std::string command_name  = command.asString();
-	// since we select this comman inventory item had  already arrived .
+	// Since we select this command, the inventory items must have already arrived
 	if("copy_gesture" == command_name)
 	{
 		uuid_vec_t ids;
 		getSelectedIds(ids);
-		// make sure that clopboard is empty
-		LLInventoryClipboard::instance().reset();
+		// Make sure the clipboard is empty
+		LLClipboard::instance().reset();
 		for(uuid_vec_t::iterator it = ids.begin(); it != ids.end(); it++)
 		{
 			LLInventoryItem* item = gInventory.getItem(*it);
 			if(item  && item->getInventoryType() == LLInventoryType::IT_GESTURE)
 			{
-				LLInventoryClipboard::instance().add(item->getUUID());
+				LLClipboard::instance().addToClipboard(item->getUUID(),LLAssetType::AT_GESTURE);
 			}
 		}
 	}
 	else if ("paste" == command_name)
 	{
-		LLInventoryClipboard& clipbord = LLInventoryClipboard::instance();
 		LLDynamicArray<LLUUID> ids;
-		clipbord.retrieve(ids);
+		LLClipboard::instance().pasteFromClipboard(ids);
 		if(ids.empty() || !gInventory.isCategoryComplete(mGestureFolderID))
 			return;
 		LLInventoryCategory* gesture_dir = gInventory.getCategory(mGestureFolderID);
@@ -536,11 +535,11 @@ void LLFloaterGesture::onCopyPasteAction(const LLSD& command)
 						gesture_dir->getUUID(), getString("copy_name", string_args), cb);
 			}
 		}
-		clipbord.reset();
+		LLClipboard::instance().reset();
 	}
 	else if ("copy_uuid" == command_name)
 	{
-		gClipboard.copyFromString(utf8str_to_wstring(mGestureList->getCurrentID().asString()), mGestureList->getCurrentID());
+		LLClipboard::instance().copyToClipboard(mGestureList->getCurrentID(),LLAssetType::AT_GESTURE);
 	}
 }
 
diff --git a/indra/newview/llfolderview.cpp b/indra/newview/llfolderview.cpp
index 6c4b781122..068a6407f7 100644
--- a/indra/newview/llfolderview.cpp
+++ b/indra/newview/llfolderview.cpp
@@ -30,7 +30,7 @@
 
 #include "llcallbacklist.h"
 #include "llinventorybridge.h"
-#include "llinventoryclipboard.h" // *TODO: remove this once hack below gone.
+#include "llclipboard.h" // *TODO: remove this once hack below gone.
 #include "llinventoryfilter.h"
 #include "llinventoryfunctions.h"
 #include "llinventorymodelbackgroundfetch.h"
@@ -456,8 +456,8 @@ S32 LLFolderView::arrange( S32* unused_width, S32* unused_height, S32 filter_gen
 		}
 		else
 		{
-			folderp->setVisible(show_folder_state == LLInventoryFilter::SHOW_ALL_FOLDERS || // always show folders?
-									(folderp->getFiltered(filter_generation) || folderp->hasFilteredDescendants(filter_generation))); // passed filter or has descendants that passed filter
+			folderp->setVisible((show_folder_state == LLInventoryFilter::SHOW_ALL_FOLDERS || // always show folders?
+								 (folderp->getFiltered(filter_generation) || folderp->hasFilteredDescendants(filter_generation))));
 		}
 
 		if (folderp->getVisible())
@@ -1045,6 +1045,36 @@ bool isDescendantOfASelectedItem(LLFolderViewItem* item, const std::vector<LLFol
 	return false;
 }
 
+// static
+void LLFolderView::removeCutItems()
+{
+	// There's no item in "cut" mode on the clipboard -> exit
+	if (!LLClipboard::instance().isCutMode())
+		return;
+
+	// Get the list of clipboard item uuids and iterate through them
+	LLDynamicArray<LLUUID> objects;
+	LLClipboard::instance().pasteFromClipboard(objects);
+	for (LLDynamicArray<LLUUID>::const_iterator iter = objects.begin();
+		 iter != objects.end();
+		 ++iter)
+	{
+		const LLUUID& item_id = (*iter);
+		LLInventoryObject *obj = gInventory.getObject(item_id);
+		if (obj)
+		{
+			if (LLAssetType::AT_CATEGORY == obj->getType())
+			{
+				remove_category(&gInventory, item_id);
+			}
+			else
+			{
+				remove_item(&gInventory, item_id);
+			}
+		}
+	}
+}
+
 void LLFolderView::onItemsRemovalConfirmation(const LLSD& notification, const LLSD& response)
 {
 	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
@@ -1324,7 +1354,7 @@ BOOL LLFolderView::canCopy() const
 void LLFolderView::copy()
 {
 	// *NOTE: total hack to clear the inventory clipboard
-	LLInventoryClipboard::instance().reset();
+	LLClipboard::instance().reset();
 	S32 count = mSelectedItems.size();
 	if(getVisible() && getEnabled() && (count > 0))
 	{
@@ -1365,7 +1395,7 @@ BOOL LLFolderView::canCut() const
 void LLFolderView::cut()
 {
 	// clear the inventory clipboard
-	LLInventoryClipboard::instance().reset();
+	LLClipboard::instance().reset();
 	S32 count = mSelectedItems.size();
 	if(getVisible() && getEnabled() && (count > 0))
 	{
@@ -1379,6 +1409,7 @@ void LLFolderView::cut()
 				listener->cutToClipboard();
 			}
 		}
+		LLFolderView::removeCutItems();
 	}
 	mSearchString.clear();
 }
@@ -2139,10 +2170,10 @@ bool LLFolderView::doToSelected(LLInventoryModel* model, const LLSD& userdata)
 		removeSelectedItems();
 		return true;
 	}
-
-	if ("copy" == action)
-	{	
-		LLInventoryClipboard::instance().reset();
+	if (("copy" == action) || ("cut" == action))
+	{
+		// Clear the clipboard before we start adding things on it
+		LLClipboard::instance().reset();
 	}
 
 	static const std::string change_folder_string = "change_folder_type_";
diff --git a/indra/newview/llfolderview.h b/indra/newview/llfolderview.h
index 5c5a3a894f..da8bb15f8e 100644
--- a/indra/newview/llfolderview.h
+++ b/indra/newview/llfolderview.h
@@ -80,8 +80,8 @@ protected:
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 // Class LLFolderView
 //
-// Th LLFolderView represents the root level folder view object. It
-// manages the screen region of the folder view.
+// The LLFolderView represents the root level folder view object. 
+// It manages the screen region of the folder view.
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 class LLFolderView : public LLFolderViewFolder, public LLEditMenuHandler
@@ -110,7 +110,7 @@ public:
 
 	virtual LLFolderView*	getRoot() { return this; }
 
-	// FolderViews default to sort by name.  This will change that,
+	// FolderViews default to sort by name. This will change that,
 	// and resort the items if necessary.
 	void setSortOrder(U32 order);
 	void setFilterPermMask(PermissionMask filter_perm_mask);
@@ -139,20 +139,20 @@ public:
 	virtual void setOpenArrangeRecursively(BOOL openitem, ERecurseType recurse);
 	virtual BOOL addFolder( LLFolderViewFolder* folder);
 
-	// Finds width and height of this object and it's children.  Also
-	// makes sure that this view and it's children are the right size.
+	// Find width and height of this object and its children. Also
+	// makes sure that this view and its children are the right size.
 	virtual S32 arrange( S32* width, S32* height, S32 filter_generation );
 
 	void arrangeAll() { mArrangeGeneration++; }
 	S32 getArrangeGeneration() { return mArrangeGeneration; }
 
-	// applies filters to control visibility of inventory items
+	// Apply filters to control visibility of inventory items
 	virtual void filter( LLInventoryFilter& filter);
 
-	// get the last selected item
+	// Get the last selected item
 	virtual LLFolderViewItem* getCurSelectedItem( void );
 
-	// Record the selected item and pass it down the hierachy.
+	// Record the selected item and pass it down the hierarchy.
 	virtual BOOL setSelection(LLFolderViewItem* selection, BOOL openitem,
 		BOOL take_keyboard_focus);
 
@@ -162,13 +162,13 @@ public:
 	// Called once a frame to update the selection if mSelectThisID has been set
 	void updateSelection();
 
-	// This method is used to toggle the selection of an item. Walks
-	// children, and keeps track of selected objects.
+	// This method is used to toggle the selection of an item. 
+	// Walks children and keeps track of selected objects.
 	virtual BOOL changeSelection(LLFolderViewItem* selection, BOOL selected);
 
 	virtual std::set<LLUUID> getSelectionList() const;
 
-	// make sure if ancestor is selected, descendents are not
+	// Make sure if ancestor is selected, descendents are not
 	void sanitizeSelection();
 	void clearSelection();
 	void addToSelectionList(LLFolderViewItem* item);
@@ -179,21 +179,22 @@ public:
 	void setDraggingOverItem(LLFolderViewItem* item) { mDraggingOverItem = item; }
 	LLFolderViewItem* getDraggingOverItem() { return mDraggingOverItem; }
 
-	// deletion functionality
+	// Deletion functionality
  	void removeSelectedItems();
+ 	static void removeCutItems();
 
-	// open the selected item.
+	// Open the selected item
 	void openSelectedItems( void );
 	void propertiesSelectedItems( void );
 
-	// change the folder type
+	// Change the folder type
 	void changeType(LLInventoryModel *model, LLFolderType::EType new_folder_type);
 
 	void autoOpenItem(LLFolderViewFolder* item);
 	void closeAutoOpenedFolders();
 	BOOL autoOpenTest(LLFolderViewFolder* item);
 
-	// copy & paste
+	// Copy & paste
 	virtual void	copy();
 	virtual BOOL	canCopy() const;
 
@@ -206,7 +207,7 @@ public:
 	virtual void	doDelete();
 	virtual BOOL	canDoDelete() const;
 
-	// public rename functionality - can only start the process
+	// Public rename functionality - can only start the process
 	void startRenamingSelectedItem( void );
 
 	// These functions were used when there was only one folderview,
@@ -347,7 +348,7 @@ protected:
 
 	/**
 	 * Is used to determine if we need to cut text In LLFolderViewItem to avoid horizontal scroll.
-	 * NOTE: For now it uses only to cut LLFolderViewItem::mLabel text to be used for Landmarks in Places Panel.
+	 * NOTE: For now it's used only to cut LLFolderViewItem::mLabel text for Landmarks in Places Panel.
 	 */
 	bool							mUseEllipses; // See EXT-719
 
diff --git a/indra/newview/llfoldervieweventlistener.h b/indra/newview/llfoldervieweventlistener.h
index aee31ca033..06682dcbf1 100644
--- a/indra/newview/llfoldervieweventlistener.h
+++ b/indra/newview/llfoldervieweventlistener.h
@@ -75,7 +75,7 @@ public:
 	virtual void move( LLFolderViewEventListener* parent_listener ) = 0;
 	virtual BOOL isItemCopyable() const = 0;
 	virtual BOOL copyToClipboard() const = 0;
-	virtual void cutToClipboard() = 0;
+	virtual BOOL cutToClipboard() const = 0;
 	virtual BOOL isClipboardPasteable() const = 0;
 	virtual void pasteFromClipboard() = 0;
 	virtual void pasteLinkFromClipboard() = 0;
diff --git a/indra/newview/llfolderviewitem.cpp b/indra/newview/llfolderviewitem.cpp
index afad27b4e0..712d3e4583 100644
--- a/indra/newview/llfolderviewitem.cpp
+++ b/indra/newview/llfolderviewitem.cpp
@@ -40,6 +40,7 @@
 #include "llviewerwindow.h"		// Argh, only for setCursor()
 
 // linden library includes
+#include "llclipboard.h"
 #include "llfocusmgr.h"		// gFocusMgr
 #include "lltrans.h"
 
@@ -1002,7 +1003,7 @@ void LLFolderViewItem::draw()
 	LLColor4 color = (mIsSelected && filled) ? sHighlightFgColor : sFgColor;
 	if (highlight_link) color = sLinkColor;
 	if (in_library) 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);
@@ -1158,7 +1159,36 @@ S32 LLFolderViewFolder::arrange( S32* width, S32* height, S32 filter_generation)
 		mNeedsSort = false;
 	}
 
+	// evaluate mHasVisibleChildren
 	mHasVisibleChildren = hasFilteredDescendants(filter_generation);
+	if (mHasVisibleChildren)
+	{
+		// 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->getFiltered(filter_generation));
+			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->getListener()
+								&&	(folderp->getFiltered(filter_generation)
+									 ||	(folderp->getFilteredFolder(filter_generation) 
+										 && folderp->hasFilteredDescendants(filter_generation))));
+				if (found)
+					break;
+			}
+		}
+		mHasVisibleChildren = found;
+	}
 
 	// calculate height as a single item (without any children), and reshapes rectangle to match
 	LLFolderViewItem::arrange( width, height, filter_generation );
diff --git a/indra/newview/llinventorybridge.cpp b/indra/newview/llinventorybridge.cpp
index da85c81cf2..8d3ac3e723 100644
--- a/indra/newview/llinventorybridge.cpp
+++ b/indra/newview/llinventorybridge.cpp
@@ -47,7 +47,7 @@
 #include "llgiveinventory.h" 
 #include "llimfloater.h"
 #include "llimview.h"
-#include "llinventoryclipboard.h"
+#include "llclipboard.h"
 #include "llinventorydefines.h"
 #include "llinventoryfunctions.h"
 #include "llinventorymodel.h"
@@ -143,6 +143,42 @@ bool isMarketplaceSendAction(const std::string& action)
 	return ("send_to_marketplace" == action);
 }
 
+// Used by LLFolderBridge as callback for directory fetching recursion
+class LLRightClickInventoryFetchDescendentsObserver : public LLInventoryFetchDescendentsObserver
+{
+public:
+	LLRightClickInventoryFetchDescendentsObserver(const uuid_vec_t& ids) : LLInventoryFetchDescendentsObserver(ids) {}
+	~LLRightClickInventoryFetchDescendentsObserver() {}
+	virtual void execute(bool clear_observer = false);
+	virtual void done()
+	{
+		execute(true);
+	}
+};
+
+// Used by LLFolderBridge as callback for directory content items fetching
+class LLRightClickInventoryFetchObserver : public LLInventoryFetchItemsObserver
+{
+public:
+	LLRightClickInventoryFetchObserver(const uuid_vec_t& ids) : LLInventoryFetchItemsObserver(ids) { };
+	~LLRightClickInventoryFetchObserver() {}
+	void execute(bool clear_observer = false)
+	{
+		if (clear_observer)
+		{
+			dec_busy_count();
+			gInventory.removeObserver(this);
+			delete this;
+		}
+		// we've downloaded all the items, so repaint the dialog
+		LLFolderBridge::staticFolderOptionsMenu();
+	}
+	virtual void done()
+	{
+		execute(true);
+	}
+};
+
 // +=================================================+
 // |        LLInvFVBridge                            |
 // +=================================================+
@@ -215,13 +251,27 @@ BOOL LLInvFVBridge::isLink() const
 /**
  * @brief Adds this item into clipboard storage
  */
-void LLInvFVBridge::cutToClipboard()
+BOOL LLInvFVBridge::cutToClipboard() const
 {
-	if(isItemMovable())
+	const LLInventoryObject* obj = gInventory.getObject(mUUID);
+	if (obj && isItemMovable() && isItemRemovable())
 	{
-		LLInventoryClipboard::instance().cut(mUUID);
+		LLClipboard::instance().setCutMode(true);
+		return LLClipboard::instance().addToClipboard(mUUID);
 	}
+	return FALSE;
 }
+
+BOOL LLInvFVBridge::copyToClipboard() const
+{
+	const LLInventoryObject* obj = gInventory.getObject(mUUID);
+	if (obj && isItemCopyable())
+	{
+		return LLClipboard::instance().addToClipboard(mUUID);
+	}
+	return FALSE;
+}
+
 // *TODO: make sure this does the right thing
 void LLInvFVBridge::showProperties()
 {
@@ -409,7 +459,8 @@ void LLInvFVBridge::removeBatchNoCheck(LLDynamicArray<LLFolderViewEventListener*
 
 BOOL LLInvFVBridge::isClipboardPasteable() const
 {
-	if (!LLInventoryClipboard::instance().hasContents() || !isAgentInventory())
+	// Return FALSE on degenerated cases: empty clipboard, no inventory, no agent
+	if (!LLClipboard::instance().hasContents() || !isAgentInventory())
 	{
 		return FALSE;
 	}
@@ -419,37 +470,42 @@ BOOL LLInvFVBridge::isClipboardPasteable() const
 		return FALSE;
 	}
 
-	const LLUUID &agent_id = gAgent.getID();
+	// In cut mode, whatever is on the clipboard is always pastable
+	if (LLClipboard::instance().isCutMode())
+	{
+		return TRUE;
+	}
 
+	// In normal mode, we need to check each element of the clipboard to know if we can paste or not
 	LLDynamicArray<LLUUID> objects;
-	LLInventoryClipboard::instance().retrieve(objects);
+	LLClipboard::instance().pasteFromClipboard(objects);
 	S32 count = objects.count();
 	for(S32 i = 0; i < count; i++)
 	{
 		const LLUUID &item_id = objects.get(i);
 
-		// Can't paste folders
+		// Folders are pastable if all items in there are copyable
 		const LLInventoryCategory *cat = model->getCategory(item_id);
-		if (cat)
-		{
-			return FALSE;
-		}
-
-		const LLInventoryItem *item = model->getItem(item_id);
-		if (item)
+		if (cat) 
 		{
-			if (!item->getPermissions().allowCopyBy(agent_id))
-			{
+			LLFolderBridge cat_br(mInventoryPanel.get(), mRoot, item_id);
+			if (!cat_br.isItemCopyable())
 				return FALSE;
-			}
+			// Skip to the next item in the clipboard
+			continue;
 		}
+
+		// Each item must be copyable to be pastable
+		LLItemBridge item_br(mInventoryPanel.get(), mRoot, item_id);
+		if (!item_br.isItemCopyable())
+			return FALSE;
 	}
 	return TRUE;
 }
 
 BOOL LLInvFVBridge::isClipboardPasteableAsLink() const
 {
-	if (!LLInventoryClipboard::instance().hasContents() || !isAgentInventory())
+	if (!LLClipboard::instance().hasContents() || !isAgentInventory())
 	{
 		return FALSE;
 	}
@@ -460,7 +516,7 @@ BOOL LLInvFVBridge::isClipboardPasteableAsLink() const
 	}
 
 	LLDynamicArray<LLUUID> objects;
-	LLInventoryClipboard::instance().retrieve(objects);
+	LLClipboard::instance().pasteFromClipboard(objects);
 	S32 count = objects.count();
 	for(S32 i = 0; i < count; i++)
 	{
@@ -611,6 +667,12 @@ void LLInvFVBridge::getClipboardEntries(bool show_asset_id,
 				disabled_items.push_back(std::string("Copy"));
 			}
 
+			items.push_back(std::string("Cut"));
+			if (!isItemMovable() || !isItemRemovable())
+			{
+				disabled_items.push_back(std::string("Cut"));
+			}
+
 			if (canListOnMarketplace())
 			{
 				items.push_back(std::string("Marketplace Separator"));
@@ -1290,6 +1352,12 @@ void LLItemBridge::performAction(LLInventoryModel* model, std::string action)
 		gViewerWindow->getWindow()->copyTextToClipboard(utf8str_to_wstring(buffer));
 		return;
 	}
+	else if ("cut" == action)
+	{
+		cutToClipboard();
+		LLFolderView::removeCutItems();
+		return;
+	}
 	else if ("copy" == action)
 	{
 		copyToClipboard();
@@ -1297,7 +1365,6 @@ void LLItemBridge::performAction(LLInventoryModel* model, std::string action)
 	}
 	else if ("paste" == action)
 	{
-		// Single item only
 		LLInventoryItem* itemp = model->getItem(mUUID);
 		if (!itemp) return;
 
@@ -1672,16 +1739,6 @@ BOOL LLItemBridge::isItemCopyable() const
 	return FALSE;
 }
 
-BOOL LLItemBridge::copyToClipboard() const
-{
-	if(isItemCopyable())
-	{
-		LLInventoryClipboard::instance().add(mUUID);
-		return TRUE;
-	}
-	return FALSE;
-}
-
 LLViewerInventoryItem* LLItemBridge::getItem() const
 {
 	LLViewerInventoryItem* item = NULL;
@@ -1713,18 +1770,22 @@ LLHandle<LLFolderBridge> LLFolderBridge::sSelf;
 BOOL LLFolderBridge::isItemMovable() const
 {
 	LLInventoryObject* obj = getInventoryObject();
-	if(obj)
+	if (obj)
 	{
-		return (!LLFolderType::lookupIsProtectedType(((LLInventoryCategory*)obj)->getPreferredType()));
+		// If it's a protected type folder, we can't move it
+		if (LLFolderType::lookupIsProtectedType(((LLInventoryCategory*)obj)->getPreferredType()))
+			return FALSE;
+		return TRUE;
 	}
 	return FALSE;
 }
 
 void LLFolderBridge::selectItem()
 {
+	// Have no fear: the first thing start() does is to test if everything for that folder has been fetched...
+	LLInventoryModelBackgroundFetch::instance().start(getUUID(), true);
 }
 
-
 // Iterate through a folder's children to determine if
 // all the children are removable.
 class LLIsItemRemovable : public LLFolderViewFunctor
@@ -1780,18 +1841,34 @@ BOOL LLFolderBridge::isUpToDate() const
 
 BOOL LLFolderBridge::isItemCopyable() const
 {
-	// Can copy folders to paste-as-link, but not for straight paste.
-	return gSavedSettings.getBOOL("InventoryLinking");
-}
-
-BOOL LLFolderBridge::copyToClipboard() const
-{
-	if(isItemCopyable())
+	// Folders are copyable if items in them are, recursively, copyable.
+	
+	// Get the content of the folder
+	LLInventoryModel::cat_array_t* cat_array;
+	LLInventoryModel::item_array_t* item_array;
+	gInventory.getDirectDescendentsOf(mUUID,cat_array,item_array);
+
+	// Check the items
+	LLInventoryModel::item_array_t item_array_copy = *item_array;
+	for (LLInventoryModel::item_array_t::iterator iter = item_array_copy.begin(); iter != item_array_copy.end(); iter++)
+	{
+		LLInventoryItem* item = *iter;
+		LLItemBridge item_br(mInventoryPanel.get(), mRoot, item->getUUID());
+		if (!item_br.isItemCopyable())
+			return FALSE;
+	}
+	
+	// Check the folders
+	LLInventoryModel::cat_array_t cat_array_copy = *cat_array;
+	for (LLInventoryModel::cat_array_t::iterator iter = cat_array_copy.begin(); iter != cat_array_copy.end(); iter++)
 	{
-		LLInventoryClipboard::instance().add(mUUID);
-		return TRUE;
+		LLViewerInventoryCategory* category = *iter;
+		LLFolderBridge cat_br(mInventoryPanel.get(), mRoot, category->getUUID());
+		if (!cat_br.isItemCopyable())
+			return FALSE;
 	}
-	return FALSE;
+	
+	return TRUE;
 }
 
 BOOL LLFolderBridge::isClipboardPasteable() const
@@ -1809,7 +1886,7 @@ BOOL LLFolderBridge::isClipboardPasteable() const
 		}
 
 		LLDynamicArray<LLUUID> objects;
-		LLInventoryClipboard::instance().retrieve(objects);
+		LLClipboard::instance().pasteFromClipboard(objects);
 		const LLViewerInventoryCategory *current_cat = getCategory();
 
 		// Search for the direct descendent of current Friends subfolder among all pasted items,
@@ -1847,7 +1924,7 @@ BOOL LLFolderBridge::isClipboardPasteableAsLink() const
 		const BOOL is_in_friend_folder = LLFriendCardsManager::instance().isCategoryInFriendFolder( current_cat );
 		const LLUUID &current_cat_id = current_cat->getUUID();
 		LLDynamicArray<LLUUID> objects;
-		LLInventoryClipboard::instance().retrieve(objects);
+		LLClipboard::instance().pasteFromClipboard(objects);
 		S32 count = objects.count();
 		for(S32 i = 0; i < count; i++)
 		{
@@ -2437,121 +2514,114 @@ BOOL move_inv_category_world_to_agent(const LLUUID& object_id,
 	return accept;
 }
 
-//Used by LLFolderBridge as callback for directory recursion.
-class LLRightClickInventoryFetchObserver : public LLInventoryFetchItemsObserver
+void LLRightClickInventoryFetchDescendentsObserver::execute(bool clear_observer)
 {
-public:
-	LLRightClickInventoryFetchObserver(const uuid_vec_t& ids) :
-		LLInventoryFetchItemsObserver(ids),
-		mCopyItems(false)
-	{ };
-	LLRightClickInventoryFetchObserver(const uuid_vec_t& ids,
-									   const LLUUID& cat_id, 
-									   bool copy_items) :
-		LLInventoryFetchItemsObserver(ids),
-		mCatID(cat_id),
-		mCopyItems(copy_items)
-	{ };
-	virtual void done()
-	{
-		// we've downloaded all the items, so repaint the dialog
-		LLFolderBridge::staticFolderOptionsMenu();
-
-		gInventory.removeObserver(this);
-		delete this;
-	}
-
-protected:
-	LLUUID mCatID;
-	bool mCopyItems;
-
-};
-
-//Used by LLFolderBridge as callback for directory recursion.
-class LLRightClickInventoryFetchDescendentsObserver : public LLInventoryFetchDescendentsObserver
-{
-public:
-	LLRightClickInventoryFetchDescendentsObserver(const uuid_vec_t& ids,
-												  bool copy_items) : 
-		LLInventoryFetchDescendentsObserver(ids),
-		mCopyItems(copy_items) 
-	{}
-	~LLRightClickInventoryFetchDescendentsObserver() {}
-	virtual void done();
-protected:
-	bool mCopyItems;
-};
-
-void LLRightClickInventoryFetchDescendentsObserver::done()
-{
-	// Avoid passing a NULL-ref as mCompleteFolders.front() down to
-	// gInventory.collectDescendents()
+	// Bail out immediately if no descendents
 	if( mComplete.empty() )
 	{
 		llwarns << "LLRightClickInventoryFetchDescendentsObserver::done with empty mCompleteFolders" << llendl;
-		dec_busy_count();
-		gInventory.removeObserver(this);
-		delete this;
+		if (clear_observer)
+		{
+			dec_busy_count();
+			gInventory.removeObserver(this);
+			delete this;
+		}
 		return;
 	}
-
-	// What we do here is get the complete information on the items in
-	// the library, and set up an observer that will wait for that to
-	// happen.
-	LLInventoryModel::cat_array_t cat_array;
-	LLInventoryModel::item_array_t item_array;
-	gInventory.collectDescendents(mComplete.front(),
-								  cat_array,
-								  item_array,
-								  LLInventoryModel::EXCLUDE_TRASH);
-	S32 count = item_array.count();
-#if 0 // HACK/TODO: Why?
-	// This early causes a giant menu to get produced, and doesn't seem to be needed.
-	if(!count)
-	{
-		llwarns << "Nothing fetched in category " << mCompleteFolders.front()
-				<< llendl;
+	
+	// Copy the list of complete fetched folders while "this" is still valid
+	uuid_vec_t completed_folder = mComplete;
+	
+	// Clean up, and remove this as an observer now since recursive calls
+	// could notify observers and throw us into an infinite loop.
+	if (clear_observer)
+	{
 		dec_busy_count();
 		gInventory.removeObserver(this);
 		delete this;
-		return;
 	}
-#endif
-
-	uuid_vec_t ids;
-	for(S32 i = 0; i < count; ++i)
+	
+	for (uuid_vec_t::iterator current_folder = completed_folder.begin(); current_folder != completed_folder.end(); ++current_folder)
 	{
-		ids.push_back(item_array.get(i)->getUUID());
-	}
+		// Get the information on the fetched folder items and subfolders and fetch those 
+		LLInventoryModel::cat_array_t* cat_array;
+		LLInventoryModel::item_array_t* item_array;
+		gInventory.getDirectDescendentsOf(*current_folder, cat_array, item_array);
 
-	LLRightClickInventoryFetchObserver* outfit = new LLRightClickInventoryFetchObserver(ids, mComplete.front(), mCopyItems);
+		S32 item_count = item_array->count();
+		S32 cat_count = cat_array->count();
+	
+		// Move to next if current folder empty
+		if ((item_count == 0) && (cat_count == 0))
+		{
+			continue;
+		}
 
-	// clean up, and remove this as an observer since the call to the
-	// outfit could notify observers and throw us into an infinite
-	// loop.
-	dec_busy_count();
-	gInventory.removeObserver(this);
-	delete this;
+		uuid_vec_t ids;
+		LLRightClickInventoryFetchObserver* outfit = NULL;
+		LLRightClickInventoryFetchDescendentsObserver* categories = NULL;
 
-	// increment busy count and either tell the inventory to check &
-	// call done, or add this object to the inventory for observation.
-	inc_busy_count();
+		// Fetch the items
+		if (item_count)
+		{
+			for (S32 i = 0; i < item_count; ++i)
+			{
+				ids.push_back(item_array->get(i)->getUUID());
+			}
+			outfit = new LLRightClickInventoryFetchObserver(ids);
+		}
+		// Fetch the subfolders
+		if (cat_count)
+		{
+			for (S32 i = 0; i < cat_count; ++i)
+			{
+				ids.push_back(cat_array->get(i)->getUUID());
+			}
+			categories = new LLRightClickInventoryFetchDescendentsObserver(ids);
+		}
 
-	// do the fetch
-	outfit->startFetch();
-	outfit->done();				//Not interested in waiting and this will be right 99% of the time.
-//Uncomment the following code for laggy Inventory UI.
-/*	if(outfit->isFinished())
-	{
-	// everything is already here - call done.
-	outfit->done();
+		// Perform the item fetch
+		if (outfit)
+		{
+			outfit->startFetch();
+			outfit->execute();				// Not interested in waiting and this will be right 99% of the time.
+			delete outfit;
+			// Uncomment the following code for laggy Inventory UI.
+			/*
+			 if (outfit->isFinished())
+			 {
+				// everything is already here - call done.
+				outfit->execute();
+				delete outfit;
+			 }
+			 else
+			 {
+				// it's all on its way - add an observer, and the inventory
+				// will call done for us when everything is here.
+				inc_busy_count();
+				gInventory.addObserver(outfit);
+			}
+			*/
+		}
+		// Perform the subfolders fetch : this is where we truly recurse down the folder hierarchy
+		if (categories)
+		{
+			categories->startFetch();
+			if (categories->isFinished())
+			{
+				// everything is already here - call done.
+				categories->execute();
+				delete categories;
+			}
+			else
+			{
+				// it's all on its way - add an observer, and the inventory
+				// will call done for us when everything is here.
+				inc_busy_count();
+				gInventory.addObserver(categories);
+			}
+		}
 	}
-	else
-	{
-	// it's all on it's way - add an observer, and the inventory
-	// will call done for us when everything is here.
-	gInventory.addObserver(outfit);
-	}*/
 }
 
 
@@ -2670,6 +2740,12 @@ void LLFolderBridge::performAction(LLInventoryModel* model, std::string action)
 		modifyOutfit(TRUE);
 		return;
 	}
+	else if ("cut" == action)
+	{
+		cutToClipboard();
+		LLFolderView::removeCutItems();
+		return;
+	}
 	else if ("copy" == action)
 	{
 		copyToClipboard();
@@ -2881,7 +2957,7 @@ bool LLFolderBridge::removeItemResponse(const LLSD& notification, const LLSD& re
 void LLFolderBridge::pasteFromClipboard()
 {
 	LLInventoryModel* model = getInventoryModel();
-	if(model && isClipboardPasteable())
+	if (model && isClipboardPasteable())
 	{
 		const LLUUID &current_outfit_id = model->findCategoryUUIDForType(LLFolderType::FT_CURRENT_OUTFIT, false);
 		const LLUUID &outbox_id = model->findCategoryUUIDForType(LLFolderType::FT_OUTBOX, false);
@@ -2891,7 +2967,7 @@ void LLFolderBridge::pasteFromClipboard()
 		const BOOL move_is_into_outbox = model->isObjectDescendentOf(mUUID, outbox_id);
 
 		LLDynamicArray<LLUUID> objects;
-		LLInventoryClipboard::instance().retrieve(objects);
+		LLClipboard::instance().pasteFromClipboard(objects);
 
 		if (move_is_into_outbox)
 		{
@@ -2941,7 +3017,8 @@ void LLFolderBridge::pasteFromClipboard()
 			const LLUUID& item_id = (*iter);
 
 			LLInventoryItem *item = model->getItem(item_id);
-			if (item)
+			LLInventoryObject *obj = model->getObject(item_id);
+			if (obj)
 			{
 				if (move_is_into_current_outfit || move_is_into_outfit)
 				{
@@ -2950,29 +3027,56 @@ void LLFolderBridge::pasteFromClipboard()
 						dropToOutfit(item, move_is_into_current_outfit);
 					}
 				}
-				else if(LLInventoryClipboard::instance().isCutMode())
+				else if (LLClipboard::instance().isCutMode())
 				{
-					// move_inventory_item() is not enough,
-					//we have to update inventory locally too
-					LLViewerInventoryItem* viitem = dynamic_cast<LLViewerInventoryItem*>(item);
-					llassert(viitem);
-					if (viitem)
+					// Do a move to "paste" a "cut"
+					// move_inventory_item() is not enough, as we have to update inventory locally too
+					if (LLAssetType::AT_CATEGORY == obj->getType())
+					{
+						LLViewerInventoryCategory* vicat = (LLViewerInventoryCategory *) model->getCategory(item_id);
+						llassert(vicat);
+						if (vicat)
+						{
+							changeCategoryParent(model, vicat, parent_id, FALSE);
+						}
+					}
+					else
 					{
-						changeItemParent(model, viitem, parent_id, FALSE);
+						LLViewerInventoryItem* viitem = dynamic_cast<LLViewerInventoryItem*>(item);
+						llassert(viitem);
+						if (viitem)
+						{
+							changeItemParent(model, viitem, parent_id, FALSE);
+						}
 					}
 				}
 				else
 				{
-					copy_inventory_item(
-						gAgent.getID(),
-						item->getPermissions().getOwner(),
-						item->getUUID(),
-						parent_id,
-						std::string(),
-						LLPointer<LLInventoryCallback>(NULL));
+					// Do a "copy" to "paste" a regular copy clipboard
+					if (LLAssetType::AT_CATEGORY == obj->getType())
+					{
+						LLViewerInventoryCategory* vicat = (LLViewerInventoryCategory *) model->getCategory(item_id);
+						llassert(vicat);
+						if (vicat)
+						{
+							copy_inventory_category(model, vicat, parent_id);
+						}
+					}
+					else
+					{
+						copy_inventory_item(
+											gAgent.getID(),
+											item->getPermissions().getOwner(),
+											item->getUUID(),
+											parent_id,
+											std::string(),
+											LLPointer<LLInventoryCallback>(NULL));
+					}
 				}
 			}
 		}
+		// Change mode to paste for next paste
+		LLClipboard::instance().setCutMode(false);
 	}
 }
 
@@ -2997,7 +3101,7 @@ void LLFolderBridge::pasteLinkFromClipboard()
 		const LLUUID parent_id(mUUID);
 
 		LLDynamicArray<LLUUID> objects;
-		LLInventoryClipboard::instance().retrieve(objects);
+		LLClipboard::instance().pasteFromClipboard(objects);
 		for (LLDynamicArray<LLUUID>::const_iterator iter = objects.begin();
 			 iter != objects.end();
 			 ++iter)
@@ -3035,6 +3139,8 @@ void LLFolderBridge::pasteLinkFromClipboard()
 					LLPointer<LLInventoryCallback>(NULL));
 			}
 		}
+		// Change mode to paste for next paste
+		LLClipboard::instance().setCutMode(false);
 	}
 }
 
@@ -3292,16 +3398,19 @@ void LLFolderBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
 		folders.push_back(category->getUUID());
 
 		sSelf = getHandle();
-		LLRightClickInventoryFetchDescendentsObserver* fetch = new LLRightClickInventoryFetchDescendentsObserver(folders, FALSE);
+		LLRightClickInventoryFetchDescendentsObserver* fetch = new LLRightClickInventoryFetchDescendentsObserver(folders);
 		fetch->startFetch();
-		inc_busy_count();
 		if (fetch->isFinished())
 		{
+			// Do not call execute() or done() here as if the folder is here, there's likely no point drilling down 
+			// This saves lots of time as buildContextMenu() is called a lot
+			delete fetch;
 			buildContextMenuFolderOptions(flags);
 		}
 		else
 		{
 			// it's all on its way - add an observer, and the inventory will call done for us when everything is here.
+			inc_busy_count();
 			gInventory.addObserver(fetch);
 		}
 	}
diff --git a/indra/newview/llinventorybridge.h b/indra/newview/llinventorybridge.h
index 3b4f845f54..dc9e88d54d 100644
--- a/indra/newview/llinventorybridge.h
+++ b/indra/newview/llinventorybridge.h
@@ -106,8 +106,8 @@ public:
 	virtual void removeBatch(LLDynamicArray<LLFolderViewEventListener*>& batch);
 	virtual void move(LLFolderViewEventListener* new_parent_bridge) {}
 	virtual BOOL isItemCopyable() const { return FALSE; }
-	virtual BOOL copyToClipboard() const { return FALSE; }
-	virtual void cutToClipboard();
+	virtual BOOL copyToClipboard() const;
+	virtual BOOL cutToClipboard() const;
 	virtual BOOL isClipboardPasteable() const;
 	virtual BOOL isClipboardPasteableAsLink() const;
 	virtual void pasteFromClipboard() {}
@@ -212,7 +212,6 @@ public:
 	virtual BOOL renameItem(const std::string& new_name);
 	virtual BOOL removeItem();
 	virtual BOOL isItemCopyable() const;
-	virtual BOOL copyToClipboard() const;
 	virtual BOOL hasChildren() const { return FALSE; }
 	virtual BOOL isUpToDate() const { return TRUE; }
 
@@ -275,7 +274,6 @@ public:
 	virtual BOOL isItemCopyable() const;
 	virtual BOOL isClipboardPasteable() const;
 	virtual BOOL isClipboardPasteableAsLink() const;
-	virtual BOOL copyToClipboard() const;
 	
 	static void createWearable(LLFolderBridge* bridge, LLWearableType::EType type);
 
diff --git a/indra/newview/llinventoryfilter.cpp b/indra/newview/llinventoryfilter.cpp
index 947f74315c..e859535d18 100644
--- a/indra/newview/llinventoryfilter.cpp
+++ b/indra/newview/llinventoryfilter.cpp
@@ -39,8 +39,11 @@
 #include "llviewerfoldertype.h"
 
 // linden library includes
+#include "llclipboard.h"
 #include "lltrans.h"
 
+LLFastTimer::DeclareTimer FT_FILTER_CLIPBOARD("Filter Clipboard");
+
 LLInventoryFilter::FilterOps::FilterOps() :
 	mFilterObjectTypes(0xffffffffffffffffULL),
 	mFilterCategoryTypes(0xffffffffffffffffULL),
@@ -88,11 +91,15 @@ LLInventoryFilter::~LLInventoryFilter()
 
 BOOL LLInventoryFilter::check(const LLFolderViewItem* item) 
 {
-	// If it's a folder and we're showing all folders, return TRUE automatically.
+	// Clipboard cut items are *always* filtered so we need this value upfront
+	const LLFolderViewEventListener* listener = item->getListener();
+	const BOOL passed_clipboard = (listener ? checkAgainstClipboard(listener->getUUID()) : TRUE);
+
+	// If it's a folder and we're showing all folders, return automatically.
 	const BOOL is_folder = (dynamic_cast<const LLFolderViewFolder*>(item) != NULL);
 	if (is_folder && (mFilterOps.mShowFolderState == LLInventoryFilter::SHOW_ALL_FOLDERS))
 	{
-		return TRUE;
+		return passed_clipboard;
 	}
 
 	mSubStringMatchOffset = mFilterSubString.size() ? item->getSearchableLabel().find(mFilterSubString) : std::string::npos;
@@ -103,6 +110,7 @@ BOOL LLInventoryFilter::check(const LLFolderViewItem* item)
 	const BOOL passed = (passed_filtertype &&
 						 passed_permissions &&
 						 passed_filterlink &&
+						 passed_clipboard &&
 						 (mFilterSubString.size() == 0 || mSubStringMatchOffset != std::string::npos));
 
 	return passed;
@@ -114,8 +122,10 @@ bool LLInventoryFilter::check(const LLInventoryItem* item)
 
 	const bool passed_filtertype = checkAgainstFilterType(item);
 	const bool passed_permissions = checkAgainstPermissions(item);
+	const BOOL passed_clipboard = checkAgainstClipboard(item->getUUID());
 	const bool passed = (passed_filtertype &&
 						 passed_permissions &&
+						 passed_clipboard &&
 						 (mFilterSubString.size() == 0 || mSubStringMatchOffset != std::string::npos));
 
 	return passed;
@@ -145,10 +155,13 @@ bool LLInventoryFilter::checkFolder(const LLFolderViewFolder* folder) const
 
 bool LLInventoryFilter::checkFolder(const LLUUID& folder_id) const
 {
+	// Always check against the clipboard
+	const BOOL passed_clipboard = checkAgainstClipboard(folder_id);
+	
 	// we're showing all folders, overriding filter
 	if (mFilterOps.mShowFolderState == LLInventoryFilter::SHOW_ALL_FOLDERS)
 	{
-		return true;
+		return passed_clipboard;
 	}
 
 	if (mFilterOps.mFilterTypes & FILTERTYPE_CATEGORY)
@@ -163,7 +176,7 @@ bool LLInventoryFilter::checkFolder(const LLUUID& folder_id) const
 			return false;
 	}
 
-	return true;
+	return passed_clipboard;
 }
 
 BOOL LLInventoryFilter::checkAgainstFilterType(const LLFolderViewItem* item) const
@@ -255,7 +268,7 @@ BOOL LLInventoryFilter::checkAgainstFilterType(const LLFolderViewItem* item) con
 			}
 		}
 	}
-	
+
 	return TRUE;
 }
 
@@ -309,6 +322,31 @@ bool LLInventoryFilter::checkAgainstFilterType(const LLInventoryItem* item) cons
 	return true;
 }
 
+// Items and folders that are on the clipboard or, recursively, in a folder which  
+// is on the clipboard must be filtered out if the clipboard is in the "cut" mode.
+bool LLInventoryFilter::checkAgainstClipboard(const LLUUID& object_id) const
+{
+	if (LLClipboard::instance().isCutMode())
+	{
+		LLFastTimer ft(FT_FILTER_CLIPBOARD);
+		LLUUID current_id = object_id;
+		LLInventoryObject *current_object = gInventory.getObject(object_id);
+		while (current_id.notNull() && current_object)
+		{
+			if (LLClipboard::instance().isOnClipboard(current_id))
+			{
+				return false;
+			}
+			current_id = current_object->getParentUUID();
+			if (current_id.notNull())
+			{
+				current_object = gInventory.getObject(current_id);
+			}
+		}
+	}
+	return true;
+}
+
 BOOL LLInventoryFilter::checkAgainstPermissions(const LLFolderViewItem* item) const
 {
 	const LLFolderViewEventListener* listener = item->getListener();
@@ -379,7 +417,7 @@ BOOL LLInventoryFilter::isNotDefault() const
 	not_default |= (mFilterOps.mMinDate != mDefaultFilterOps.mMinDate);
 	not_default |= (mFilterOps.mMaxDate != mDefaultFilterOps.mMaxDate);
 	not_default |= (mFilterOps.mHoursAgo != mDefaultFilterOps.mHoursAgo);
-
+	
 	return not_default;
 }
 
@@ -965,7 +1003,7 @@ void LLInventoryFilter::fromLLSD(LLSD& data)
 {
 	if(data.has("filter_types"))
 	{
-		setFilterObjectTypes((U32)data["filter_types"].asInteger());
+		setFilterObjectTypes((U64)data["filter_types"].asInteger());
 	}
 
 	if(data.has("min_date") && data.has("max_date"))
diff --git a/indra/newview/llinventoryfilter.h b/indra/newview/llinventoryfilter.h
index 6be2acfaa3..1804637a04 100644
--- a/indra/newview/llinventoryfilter.h
+++ b/indra/newview/llinventoryfilter.h
@@ -124,6 +124,7 @@ public:
 	BOOL 				checkAgainstPermissions(const LLFolderViewItem* item) const;
 	bool 				checkAgainstPermissions(const LLInventoryItem* item) const;
 	BOOL 				checkAgainstFilterLinks(const LLFolderViewItem* item) const;
+	bool				checkAgainstClipboard(const LLUUID& object_id) const;
 
 	std::string::size_type getStringMatchOffset() const;
 
diff --git a/indra/newview/llinventoryfunctions.cpp b/indra/newview/llinventoryfunctions.cpp
index dd92188e9d..236c997ef6 100644
--- a/indra/newview/llinventoryfunctions.cpp
+++ b/indra/newview/llinventoryfunctions.cpp
@@ -54,7 +54,6 @@
 #include "lliconctrl.h"
 #include "llimview.h"
 #include "llinventorybridge.h"
-#include "llinventoryclipboard.h"
 #include "llinventorymodel.h"
 #include "llinventorypanel.h"
 #include "lllineeditor.h"
@@ -161,6 +160,31 @@ void change_category_parent(LLInventoryModel* model,
 	model->notifyObservers();
 }
 
+// Move the item to the trash. Works for folders and objects.
+// Caution: This method assumes that the item is removable!
+void remove_item(LLInventoryModel* model, const LLUUID& id)
+{
+	LLViewerInventoryItem* item = model->getItem(id);
+	if (!item)
+		return;
+	
+	if (item->getType() == LLAssetType::AT_CATEGORY)
+	{
+		// Call the general helper function to delete a folder
+		remove_category(model, id);
+	}
+	else
+	{
+		// Get the trash UUID
+		LLUUID trash_id = model->findCategoryUUIDForType(LLFolderType::FT_TRASH, false);
+		if (trash_id.notNull())
+		{
+			// Finally, move the item to the trash
+			change_item_parent(model, item, trash_id, true);
+		}
+	}
+}
+
 void remove_category(LLInventoryModel* model, const LLUUID& cat_id)
 {
 	if (!model || !get_is_category_removable(model, cat_id))
@@ -214,6 +238,49 @@ void rename_category(LLInventoryModel* model, const LLUUID& cat_id, const std::s
 	model->notifyObservers();
 }
 
+void copy_inventory_category(LLInventoryModel* model,
+							 LLViewerInventoryCategory* cat,
+							 const LLUUID& parent_id,
+							 const LLUUID& root_copy_id)
+{
+	// Create the initial folder
+	LLUUID new_cat_uuid = gInventory.createNewCategory(parent_id, LLFolderType::FT_NONE, cat->getName());
+	model->notifyObservers();
+	
+	// We need to exclude the initial root of the copy to avoid recursively copying the copy, etc...
+	LLUUID root_id = (root_copy_id.isNull() ? new_cat_uuid : root_copy_id);
+
+	// Get the content of the folder
+	LLInventoryModel::cat_array_t* cat_array;
+	LLInventoryModel::item_array_t* item_array;
+	gInventory.getDirectDescendentsOf(cat->getUUID(),cat_array,item_array);
+
+	// Copy all the items
+	LLInventoryModel::item_array_t item_array_copy = *item_array;
+	for (LLInventoryModel::item_array_t::iterator iter = item_array_copy.begin(); iter != item_array_copy.end(); iter++)
+	{
+		LLInventoryItem* item = *iter;
+		copy_inventory_item(
+							gAgent.getID(),
+							item->getPermissions().getOwner(),
+							item->getUUID(),
+							new_cat_uuid,
+							std::string(),
+							LLPointer<LLInventoryCallback>(NULL));
+	}
+	
+	// Copy all the folders
+	LLInventoryModel::cat_array_t cat_array_copy = *cat_array;
+	for (LLInventoryModel::cat_array_t::iterator iter = cat_array_copy.begin(); iter != cat_array_copy.end(); iter++)
+	{
+		LLViewerInventoryCategory* category = *iter;
+		if (category->getUUID() != root_id)
+		{
+			copy_inventory_category(model, category, new_cat_uuid, root_id);
+		}
+	}
+}
+
 class LLInventoryCollectAllItems : public LLInventoryCollectFunctor
 {
 public:
diff --git a/indra/newview/llinventoryfunctions.h b/indra/newview/llinventoryfunctions.h
index ce2b89b22e..b3d9f4b966 100644
--- a/indra/newview/llinventoryfunctions.h
+++ b/indra/newview/llinventoryfunctions.h
@@ -62,6 +62,8 @@ void change_item_parent(LLInventoryModel* model,
 									 const LLUUID& new_parent_id,
 									 BOOL restamp);
 
+void remove_item(LLInventoryModel* model, const LLUUID& id);
+
 void change_category_parent(LLInventoryModel* model,
 	LLViewerInventoryCategory* cat,
 	const LLUUID& new_parent_id,
@@ -71,6 +73,8 @@ void remove_category(LLInventoryModel* model, const LLUUID& cat_id);
 
 void rename_category(LLInventoryModel* model, const LLUUID& cat_id, const std::string& new_name);
 
+void copy_inventory_category(LLInventoryModel* model, LLViewerInventoryCategory* cat, const LLUUID& parent_id, const LLUUID& root_copy_id = LLUUID::null);
+
 // Generates a string containing the path to the item specified by item_id.
 void append_path(const LLUUID& id, std::string& path);
 
diff --git a/indra/newview/llinventorymodel.cpp b/indra/newview/llinventorymodel.cpp
index a71b699fdd..0eba8bd0f1 100644
--- a/indra/newview/llinventorymodel.cpp
+++ b/indra/newview/llinventorymodel.cpp
@@ -30,6 +30,7 @@
 #include "llagent.h"
 #include "llagentwearables.h"
 #include "llappearancemgr.h"
+#include "llclipboard.h"
 #include "llinventorypanel.h"
 #include "llinventorybridge.h"
 #include "llinventoryfunctions.h"
@@ -1110,50 +1111,82 @@ void LLInventoryModel::purgeDescendentsOf(const LLUUID& id)
 		return;
 	}
 	LLPointer<LLViewerInventoryCategory> cat = getCategory(id);
-	if(cat.notNull())
-	{
-		// do the cache accounting
-		llinfos << "LLInventoryModel::purgeDescendentsOf " << cat->getName()
-				<< llendl;
-		S32 descendents = cat->getDescendentCount();
-		if(descendents > 0)
-		{
-			LLCategoryUpdate up(id, -descendents);
-			accountForUpdate(up);
+	if (cat.notNull())
+	{
+		if (LLClipboard::instance().hasContents() && LLClipboard::instance().isCutMode())
+		{
+			// Something on the clipboard is in "cut mode" and needs to be preserved
+			llinfos << "LLInventoryModel::purgeDescendentsOf " << cat->getName()
+			<< " iterate and purge non hidden items" << llendl;
+			cat_array_t* categories;
+			item_array_t* items;
+			// Get the list of direct descendants in tha categoy passed as argument
+			getDirectDescendentsOf(id, categories, items);
+			std::vector<LLUUID> list_uuids;
+			// Make a unique list with all the UUIDs of the direct descendants (items and categories are not treated differently)
+			// Note: we need to do that shallow copy as purging things will invalidate the categories or items lists
+			for (cat_array_t::const_iterator it = categories->begin(); it != categories->end(); ++it)
+			{
+				list_uuids.push_back((*it)->getUUID());
+			}
+			for (item_array_t::const_iterator it = items->begin(); it != items->end(); ++it)
+			{
+				list_uuids.push_back((*it)->getUUID());
+			}
+			// Iterate through the list and only purge the UUIDs that are not on the clipboard
+			for (std::vector<LLUUID>::const_iterator it = list_uuids.begin(); it != list_uuids.end(); ++it)
+			{
+				if (!LLClipboard::instance().isOnClipboard(*it))
+				{
+					purgeObject(*it);
+				}
+			}
 		}
+		else
+		{
+			// Fast purge
+			// do the cache accounting
+			llinfos << "LLInventoryModel::purgeDescendentsOf " << cat->getName()
+				<< llendl;
+			S32 descendents = cat->getDescendentCount();
+			if(descendents > 0)
+			{
+				LLCategoryUpdate up(id, -descendents);
+				accountForUpdate(up);
+			}
 
-		// we know that descendent count is 0, aide since the
-		// accounting may actually not do an update, we should force
-		// it here.
-		cat->setDescendentCount(0);
+			// we know that descendent count is 0, however since the
+			// accounting may actually not do an update, we should force
+			// it here.
+			cat->setDescendentCount(0);
+
+			// send it upstream
+			LLMessageSystem* msg = gMessageSystem;
+			msg->newMessage("PurgeInventoryDescendents");
+			msg->nextBlock("AgentData");
+			msg->addUUID("AgentID", gAgent.getID());
+			msg->addUUID("SessionID", gAgent.getSessionID());
+			msg->nextBlock("InventoryData");
+			msg->addUUID("FolderID", id);
+			gAgent.sendReliableMessage();
 
-		// send it upstream
-		LLMessageSystem* msg = gMessageSystem;
-		msg->newMessage("PurgeInventoryDescendents");
-		msg->nextBlock("AgentData");
-		msg->addUUID("AgentID", gAgent.getID());
-		msg->addUUID("SessionID", gAgent.getSessionID());
-		msg->nextBlock("InventoryData");
-		msg->addUUID("FolderID", id);
-		gAgent.sendReliableMessage();
-
-		// unceremoniously remove anything we have locally stored.
-		cat_array_t categories;
-		item_array_t items;
-		collectDescendents(id,
-						   categories,
-						   items,
-						   INCLUDE_TRASH);
-		S32 count = items.count();
-		S32 i;
-		for(i = 0; i < count; ++i)
-		{
-			deleteObject(items.get(i)->getUUID());
-		}
-		count = categories.count();
-		for(i = 0; i < count; ++i)
-		{
-			deleteObject(categories.get(i)->getUUID());
+			// unceremoniously remove anything we have locally stored.
+			cat_array_t categories;
+			item_array_t items;
+			collectDescendents(id,
+							   categories,
+							   items,
+							   INCLUDE_TRASH);
+			S32 count = items.count();
+			for(S32 i = 0; i < count; ++i)
+			{
+				deleteObject(items.get(i)->getUUID());
+			}
+			count = categories.count();
+			for(S32 i = 0; i < count; ++i)
+			{
+				deleteObject(categories.get(i)->getUUID());
+			}
 		}
 	}
 }
diff --git a/indra/newview/llinventorypanel.cpp b/indra/newview/llinventorypanel.cpp
index c47b74815f..71dd963f28 100644
--- a/indra/newview/llinventorypanel.cpp
+++ b/indra/newview/llinventorypanel.cpp
@@ -33,6 +33,7 @@
 #include "llagentwearables.h"
 #include "llappearancemgr.h"
 #include "llavataractions.h"
+#include "llclipboard.h"
 #include "llfloaterinventory.h"
 #include "llfloaterreg.h"
 #include "llfloatersidepanelcontainer.h"
@@ -248,6 +249,9 @@ void LLInventoryPanel::initFromParams(const LLInventoryPanel::Params& params)
 		getFilter()->setFilterEmptySystemFolders();
 	}
 	
+	// keep track of the clipboard state so that we avoid filtering too much
+	mClipboardState = LLClipboard::instance().getGeneration();
+	
 	// Initialize base class params.
 	LLPanel::initFromParams(params);
 }
@@ -278,6 +282,14 @@ void LLInventoryPanel::draw()
 {
 	// Select the desired item (in case it wasn't loaded when the selection was requested)
 	mFolderRoot->updateSelection();
+	
+	// Nudge the filter if the clipboard state changed
+	if (mClipboardState != LLClipboard::instance().getGeneration())
+	{
+		mClipboardState = LLClipboard::instance().getGeneration();
+		getFilter()->setModified(LLClipboard::instance().isCutMode() ? LLInventoryFilter::FILTER_MORE_RESTRICTIVE : LLInventoryFilter::FILTER_LESS_RESTRICTIVE);
+	}
+	
 	LLPanel::draw();
 }
 
diff --git a/indra/newview/llinventorypanel.h b/indra/newview/llinventorypanel.h
index 7d805f6862..6db59afb9b 100644
--- a/indra/newview/llinventorypanel.h
+++ b/indra/newview/llinventorypanel.h
@@ -222,6 +222,7 @@ public:
 
 private:
 	std::string					mSortOrderSetting;
+	int							mClipboardState;
 
 	//--------------------------------------------------------------------
 	// Hidden folders
diff --git a/indra/newview/llpanellandmarks.cpp b/indra/newview/llpanellandmarks.cpp
index c7454e85a9..68a3b6d1cd 100644
--- a/indra/newview/llpanellandmarks.cpp
+++ b/indra/newview/llpanellandmarks.cpp
@@ -1149,7 +1149,7 @@ Rules:
 	- cut/rename/delete in any other accordions
 	- paste - only in Favorites, Landmarks accordions
  3. For Folders we can: perform any action in Landmarks accordion, except Received folder
- 4. We can not paste folders from Clipboard (processed by LLFolderView::canPaste())
+ 4. We can paste folders from Clipboard (processed by LLFolderView::canPaste())
  5. Check LLFolderView/Inventory Bridges rules
  */
 bool LLLandmarksPanel::canItemBeModified(const std::string& command_name, LLFolderViewItem* item) const
@@ -1206,8 +1206,7 @@ bool LLLandmarksPanel::canItemBeModified(const std::string& command_name, LLFold
 
 		if ("cut" == command_name)
 		{
-			// "Cut" disabled for folders. See EXT-8697.
-			can_be_modified = root_folder->canCut() && listenerp->getInventoryType() != LLInventoryType::IT_CATEGORY;
+			can_be_modified = root_folder->canCut();
 		}
 		else if ("rename" == command_name)
 		{
diff --git a/indra/newview/llpanelmaininventory.cpp b/indra/newview/llpanelmaininventory.cpp
index c3c62920d3..c11597f532 100644
--- a/indra/newview/llpanelmaininventory.cpp
+++ b/indra/newview/llpanelmaininventory.cpp
@@ -375,7 +375,7 @@ void LLPanelMainInventory::onClearSearch()
 	if (mActivePanel)
 	{
 		mActivePanel->setFilterSubString(LLStringUtil::null);
-		mActivePanel->setFilterTypes(0xffffffff);
+		mActivePanel->setFilterTypes(0xffffffffffffffffULL);
 		mActivePanel->setFilterLinks(LLInventoryFilter::FILTERLINK_INCLUDE_LINKS);
 	}
 
@@ -726,7 +726,7 @@ void LLFloaterInventoryFinder::updateElementsFromFilter()
 void LLFloaterInventoryFinder::draw()
 {
 	LLMemType mt(LLMemType::MTYPE_INVENTORY_DRAW);
-	U32 filter = 0xffffffff;
+	U64 filter = 0xffffffffffffffffULL;
 	BOOL filtered_by_all_types = TRUE;
 
 	if (!getChild<LLUICtrl>("check_animation")->getValue())
diff --git a/indra/newview/llpanelobjectinventory.cpp b/indra/newview/llpanelobjectinventory.cpp
index f3ecba7185..1ca24f3031 100644
--- a/indra/newview/llpanelobjectinventory.cpp
+++ b/indra/newview/llpanelobjectinventory.cpp
@@ -124,7 +124,7 @@ public:
 	virtual void move(LLFolderViewEventListener* parent_listener);
 	virtual BOOL isItemCopyable() const;
 	virtual BOOL copyToClipboard() const;
-	virtual void cutToClipboard();
+	virtual BOOL cutToClipboard() const;
 	virtual BOOL isClipboardPasteable() const;
 	virtual void pasteFromClipboard();
 	virtual void pasteLinkFromClipboard();
@@ -524,8 +524,9 @@ BOOL LLTaskInvFVBridge::copyToClipboard() const
 	return FALSE;
 }
 
-void LLTaskInvFVBridge::cutToClipboard()
+BOOL LLTaskInvFVBridge::cutToClipboard() const
 {
+	return FALSE;
 }
 
 BOOL LLTaskInvFVBridge::isClipboardPasteable() const
diff --git a/indra/newview/llpanelteleporthistory.cpp b/indra/newview/llpanelteleporthistory.cpp
index 1f1cccad85..c63d89fc98 100644
--- a/indra/newview/llpanelteleporthistory.cpp
+++ b/indra/newview/llpanelteleporthistory.cpp
@@ -358,7 +358,7 @@ void LLTeleportHistoryPanel::ContextMenu::onInfo()
 //static
 void LLTeleportHistoryPanel::ContextMenu::gotSLURLCallback(const std::string& slurl)
 {
-	gClipboard.copyFromString(utf8str_to_wstring(slurl));
+	LLClipboard::instance().copyToClipboard(utf8str_to_wstring(slurl),0,slurl.size());
 }
 
 void LLTeleportHistoryPanel::ContextMenu::onCopyToClipboard()
diff --git a/indra/newview/llpaneltopinfobar.cpp b/indra/newview/llpaneltopinfobar.cpp
index eb4c7572d4..280cc11179 100644
--- a/indra/newview/llpaneltopinfobar.cpp
+++ b/indra/newview/llpaneltopinfobar.cpp
@@ -467,7 +467,7 @@ void LLPanelTopInfoBar::onContextMenuItemClicked(const LLSD::String& item)
 		LLAgentUI::buildSLURL(slurl, false);
 		LLUIString location_str(slurl.getSLURLString());
 
-		gClipboard.copyFromString(location_str);
+		LLClipboard::instance().copyToClipboard(location_str,0,location_str.length());
 	}
 }
 
diff --git a/indra/newview/llpanelwearing.cpp b/indra/newview/llpanelwearing.cpp
index e2801c09bd..3b9934d4be 100644
--- a/indra/newview/llpanelwearing.cpp
+++ b/indra/newview/llpanelwearing.cpp
@@ -302,6 +302,6 @@ void LLPanelWearing::copyToClipboard()
 		}
 	}
 
-	gClipboard.copyFromString(utf8str_to_wstring(text));
+	LLClipboard::instance().copyToClipboard(utf8str_to_wstring(text),0,text.size());
 }
 // EOF
diff --git a/indra/newview/lltoolbarview.cpp b/indra/newview/lltoolbarview.cpp
index eccb2cf2f1..81ad96f39e 100644
--- a/indra/newview/lltoolbarview.cpp
+++ b/indra/newview/lltoolbarview.cpp
@@ -75,6 +75,7 @@ LLToolBarView::LLToolBarView(const LLToolBarView::Params& p)
 	mDragStarted(false),
 	mShowToolbars(true),
 	mDragToolbarButton(NULL),
+	mDragItem(NULL),
 	mToolbarsLoaded(false)
 {
 	for (S32 i = 0; i < TOOLBAR_COUNT; i++)
@@ -579,7 +580,6 @@ BOOL LLToolBarView::handleDragTool( S32 x, S32 y, const LLUUID& uuid, LLAssetTyp
 			uuid_vec_t cargo_ids;
 			types.push_back(DAD_WIDGET);
 			cargo_ids.push_back(uuid);
-			gClipboard.setSourceObject(uuid,LLAssetType::AT_WIDGET);
 			LLToolDragAndDrop::ESource src = LLToolDragAndDrop::SOURCE_VIEWER;
 			LLUUID srcID;
 			LLToolDragAndDrop::getInstance()->beginMultiDrag(types, cargo_ids, src, srcID);
@@ -662,6 +662,18 @@ void LLToolBarView::resetDragTool(LLToolBarButton* toolbarButton)
 	gToolBarView->mDragToolbarButton = toolbarButton;
 }
 
+// Provide a handle on a free standing inventory item containing references to the tool.
+// This might be used by Drag and Drop to move around references to tool items.
+LLInventoryObject* LLToolBarView::getDragItem()
+{
+	if (mDragToolbarButton)
+	{
+		LLUUID item_uuid = mDragToolbarButton->getCommandId().uuid();
+		mDragItem = new LLInventoryObject (item_uuid, LLUUID::null, LLAssetType::AT_WIDGET, "");
+	}
+	return mDragItem;
+}
+
 void LLToolBarView::setToolBarsVisible(bool visible)
 {
 	mShowToolbars = visible;
diff --git a/indra/newview/lltoolbarview.h b/indra/newview/lltoolbarview.h
index be66bcae36..9c4194ebed 100644
--- a/indra/newview/lltoolbarview.h
+++ b/indra/newview/lltoolbarview.h
@@ -31,6 +31,7 @@
 #include "lluictrl.h"
 #include "lltoolbar.h"
 #include "llcommandmanager.h"
+#include "llinventory.h"
 
 class LLUICtrlFactory;
 
@@ -106,6 +107,7 @@ public:
 	static BOOL handleDragTool(S32 x, S32 y, const LLUUID& uuid, LLAssetType::EType type);
 	static BOOL handleDropTool(void* cargo_data, S32 x, S32 y, LLToolBar* toolbar);
 	static void resetDragTool(LLToolBarButton* toolbarButton);
+	LLInventoryObject* getDragItem();
 
 	bool isModified() const;
 	
@@ -129,6 +131,7 @@ private:
 	
 	bool				mDragStarted;
 	LLToolBarButton*	mDragToolbarButton;
+	LLInventoryObject*	mDragItem;
 	bool				mShowToolbars;
 };
 
diff --git a/indra/newview/lltooldraganddrop.cpp b/indra/newview/lltooldraganddrop.cpp
index c7ab934f9e..4f4eef0f3d 100644
--- a/indra/newview/lltooldraganddrop.cpp
+++ b/indra/newview/lltooldraganddrop.cpp
@@ -48,6 +48,7 @@
 #include "llpreviewnotecard.h"
 #include "llrootview.h"
 #include "llselectmgr.h"
+#include "lltoolbarview.h"
 #include "lltoolmgr.h"
 #include "lltooltip.h"
 #include "lltrans.h"
@@ -2528,7 +2529,7 @@ LLInventoryObject* LLToolDragAndDrop::locateInventory(
 	}
 	else if(mSource == SOURCE_VIEWER)
 	{
-		item = (LLViewerInventoryItem*)gClipboard.getSourceObject();
+		item = (LLViewerInventoryItem*)gToolBarView->getDragItem();
 	}
 	if(item) return item;
 	if(cat) return cat;
diff --git a/indra/newview/llurllineeditorctrl.cpp b/indra/newview/llurllineeditorctrl.cpp
index 56b5bbf942..cad5769042 100644
--- a/indra/newview/llurllineeditorctrl.cpp
+++ b/indra/newview/llurllineeditorctrl.cpp
@@ -89,5 +89,5 @@ void LLURLLineEditor::copyEscapedURLToClipboard()
 	else // human-readable location
 		text_to_copy = utf8str_to_wstring(unescaped_text);
 		
-	gClipboard.copyFromString( text_to_copy );
+	LLClipboard::instance().copyToClipboard(text_to_copy, 0, text_to_copy.size());
 }
diff --git a/indra/newview/skins/default/xui/en/menu_inventory.xml b/indra/newview/skins/default/xui/en/menu_inventory.xml
index ef4a1bc061..b13bf5b508 100644
--- a/indra/newview/skins/default/xui/en/menu_inventory.xml
+++ b/indra/newview/skins/default/xui/en/menu_inventory.xml
@@ -453,6 +453,14 @@
      layout="topleft" 
      name="Copy Separator" />
     <menu_item_call
+     label="Cut"
+     layout="topleft"
+     name="Cut">
+        <menu_item_call.on_click
+         function="Inventory.DoToSelected"
+         parameter="cut" />
+    </menu_item_call>
+    <menu_item_call
      label="Copy"
      layout="topleft"
      name="Copy">