STORM-383 FIXED Added "Restore Item" context menu entry for landmarks and folders in Trash category in Places->My Landmarks->My Inventory accordion tab.

indra/newview/llpanellandmarks.cpp

@@ -71,6 +71,7 @@ static void collapse_all_folders(LLFolderView* root_folder);
 static void expand_all_folders(LLFolderView* root_folder);
 static bool has_expanded_folders(LLFolderView* root_folder);
 static bool has_collapsed_folders(LLFolderView* root_folder);
+static void toggle_restore_menu(LLMenuGL* menu, BOOL visible, BOOL enabled);
 
 /**
  * Functor counting expanded and collapsed folders in folder view tree to know
@@ -708,6 +709,9 @@ void LLLandmarksPanel::initListCommandsHandlers()
 	mGearFolderMenu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>("menu_places_gear_folder.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
 	mMenuAdd = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_place_add_button.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
 
+	mGearLandmarkMenu->setVisibilityChangeCallback(boost::bind(&LLLandmarksPanel::onMenuVisibilityChange, this, _1, _2));
+	mGearFolderMenu->setVisibilityChangeCallback(boost::bind(&LLLandmarksPanel::onMenuVisibilityChange, this, _1, _2));
+
 	mListCommands->childSetAction(ADD_BUTTON_NAME, boost::bind(&LLLandmarksPanel::showActionMenu, this, mMenuAdd, ADD_BUTTON_NAME));
 }
 
@@ -1079,6 +1083,60 @@ void LLLandmarksPanel::onCustomAction(const LLSD& userdata)
 	{
 		doActionOnCurSelectedLandmark(boost::bind(&LLLandmarksPanel::doCreatePick, this, _1));
 	}
+	else if ("restore" == command_name && mCurrentSelectedList)
+	{
+		mCurrentSelectedList->doToSelected(userdata);
+	}
+}
+
+void LLLandmarksPanel::onMenuVisibilityChange(LLUICtrl* ctrl, const LLSD& param)
+{
+	bool new_visibility = param["visibility"].asBoolean();
+
+	// We don't have to update items visibility if the menu is hiding.
+	if (!new_visibility) return;
+
+	BOOL are_any_items_in_trash = FALSE;
+	BOOL are_all_items_in_trash = TRUE;
+
+	LLFolderView* root_folder_view = mCurrentSelectedList ? mCurrentSelectedList->getRootFolder() : NULL;
+	if(root_folder_view)
+	{
+		const LLUUID trash_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_TRASH);
+
+		std::set<LLUUID> selected_uuids = root_folder_view->getSelectionList();
+
+		// Iterate through selected items to find out if any of these items are in Trash
+		// or all the items are in Trash category.
+		for (std::set<LLUUID>::const_iterator iter = selected_uuids.begin(); iter != selected_uuids.end(); ++iter)
+		{
+			LLFolderViewItem* item = root_folder_view->getItemByID(*iter);
+
+			// If no item is found it might be a folder id.
+			if (!item)
+			{
+				item = root_folder_view->getFolderByID(*iter);
+			}
+			if (!item) continue;
+
+			LLFolderViewEventListener* listenerp = item->getListener();
+			if(!listenerp) continue;
+
+			// Trash category itself should not be included because it can't be
+			// actually restored from trash.
+			are_all_items_in_trash &= listenerp->isItemInTrash() && *iter != trash_id;
+
+			// If there are any selected items in Trash including the Trash category itself
+			// we show "Restore Item" in context menu and hide other irrelevant items.
+			are_any_items_in_trash |= listenerp->isItemInTrash();
+		}
+	}
+
+	// Display "Restore Item" menu entry if at least one of the selected items
+	// is in Trash or the Trash category itself is among selected items.
+	// Hide other menu entries in this case.
+	// Enable this menu entry only if all selected items are in the Trash category.
+	toggle_restore_menu((LLMenuGL*)ctrl, are_any_items_in_trash, are_all_items_in_trash);
 }
 
 /*
@@ -1414,4 +1472,31 @@ static bool has_collapsed_folders(LLFolderView* root_folder)
 
 	return true;
 }
+
+// Displays "Restore Item" context menu entry while hiding
+// all other entries or vice versa.
+// Sets "Restore Item" enabled state.
+void toggle_restore_menu(LLMenuGL *menu, BOOL visible, BOOL enabled)
+{
+	if (!menu) return;
+
+	const LLView::child_list_t *list = menu->getChildList();
+	for (LLView::child_list_t::const_iterator itor = list->begin();
+		 itor != list->end();
+		 ++itor)
+	{
+		LLView *menu_item = (*itor);
+		std::string name = menu_item->getName();
+
+		if ("restore_item" == name)
+		{
+			menu_item->setVisible(visible);
+			menu_item->setEnabled(enabled);
+		}
+		else
+		{
+			menu_item->setVisible(!visible);
+		}
+	}
+}
 // EOF

indra/newview/llpanellandmarks.h

@@ -128,6 +128,14 @@ private:
 	bool isActionEnabled(const LLSD& command_name) const;
 	void onCustomAction(const LLSD& command_name);
 
+	/**
+	 * Updates context menu depending on the selected items location.
+	 *
+	 * For items in Trash category the menu includes the "Restore Item"
+	 * context menu entry.
+	 */
+	void onMenuVisibilityChange(LLUICtrl* ctrl, const LLSD& param);
+
 	/**
 	 * Determines if an item can be modified via context/gear menu.
 	 *

indra/newview/skins/default/xui/en/menu_places_gear_folder.xml

@@ -25,6 +25,14 @@
          function="Places.LandmarksGear.Enable"
          parameter="category" />
     </menu_item_call>
+    <menu_item_call
+     label="Restore Item"
+     layout="topleft"
+     name="restore_item">
+        <menu_item_call.on_click
+         function="Places.LandmarksGear.Custom.Action"
+         parameter="restore" />
+    </menu_item_call>
     <menu_item_separator
      layout="topleft" />
     <menu_item_call

indra/newview/skins/default/xui/en/menu_places_gear_landmark.xml

@@ -60,6 +60,14 @@
          function="Places.LandmarksGear.Enable"
          parameter="category" />
     </menu_item_call>
+    <menu_item_call
+     label="Restore Item"
+     layout="topleft"
+     name="restore_item">
+        <menu_item_call.on_click
+         function="Places.LandmarksGear.Custom.Action"
+         parameter="restore" />
+    </menu_item_call>
     <menu_item_separator
      layout="topleft" />
     <menu_item_call