C++ LLFolderViewItem类代码示例

LLFolderViewItem* LLLandmarksPanel::selectItemInAccordionTab(LLPlacesInventoryPanel* inventory_list,
															 const std::string& tab_name,
															 const LLUUID& obj_id,
															 BOOL take_keyboard_focus) const
{
	if (!inventory_list)
		return NULL;

	LLFolderView* root = inventory_list->getRootFolder();

	LLFolderViewItem* item = inventory_list->getItemByID(obj_id);
	if (!item)
		return NULL;

	LLAccordionCtrlTab* tab = getChild<LLAccordionCtrlTab>(tab_name);
	if (!tab->isExpanded())
	{
		tab->changeOpenClose(false);
	}

	root->setSelection(item, FALSE, take_keyboard_focus);

	LLAccordionCtrl* accordion = getChild<LLAccordionCtrl>("landmarks_accordion");
	LLRect screen_rc;
	localRectToScreen(item->getRect(), &screen_rc);
	accordion->notifyParent(LLSD().with("scrollToShowRect", screen_rc.getValue()));

	return item;
}

void LLInventoryPanel::setSelection(const LLUUID& obj_id, BOOL take_keyboard_focus)
{
	LLFolderViewItem* itemp = mFolders->getItemByID(obj_id);
	if(itemp && itemp->getListener())
	{
		itemp->getListener()->arrangeAndSet(itemp,
											  TRUE,
											  take_keyboard_focus);
	}
}

void LLLandmarksPanel::onAddAction(const LLSD& userdata) const
{
	LLFolderViewModelItemInventory* view_model = getCurSelectedViewModelItem();
	LLFolderViewItem* item = getCurSelectedItem();

	std::string command_name = userdata.asString();
	if("add_landmark" == command_name)
	{
		LLViewerInventoryItem* landmark = LLLandmarkActions::findLandmarkForAgentPos();
		if(landmark)
		{
			LLNotificationsUtil::add("LandmarkAlreadyExists");
		}
		else
		{
			LLFloaterSidePanelContainer::showPanel("places", LLSD().with("type", "create_landmark"));
		}
	} 
	else if ("category" == command_name)
	{
		if (item && mCurrentSelectedList == mLandmarksInventoryPanel)
		{
			LLFolderViewModelItem* folder_bridge = NULL;

			if (view_model->getInventoryType()
					== LLInventoryType::IT_LANDMARK)
			{
				// for a landmark get parent folder bridge
				folder_bridge = item->getParentFolder()->getViewModelItem();
			}
			else if (view_model->getInventoryType()
					== LLInventoryType::IT_CATEGORY)
			{
				// for a folder get its own bridge
				folder_bridge = view_model;
			}

			menu_create_inventory_item(mCurrentSelectedList,
					dynamic_cast<LLFolderBridge*> (folder_bridge), LLSD(
							"category"), gInventory.findCategoryUUIDForType(
							LLFolderType::FT_LANDMARK));
		}
		else
		{
			//in case My Landmarks tab is completely empty (thus cannot be determined as being selected)
			menu_create_inventory_item(mLandmarksInventoryPanel, NULL,  LLSD("category"), 
				gInventory.findCategoryUUIDForType(LLFolderType::FT_LANDMARK));

			if (mMyLandmarksAccordionTab)
			{
				mMyLandmarksAccordionTab->changeOpenClose(false);
			}
		}
	}
}

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);
}

void LLInventoryPanel::setSelection(const LLUUID& obj_id, BOOL take_keyboard_focus)
{
	LLFolderViewItem* itemp = mFolders->getItemByID(obj_id);
	if(itemp && itemp->getListener())
	{
		itemp->getListener()->arrangeAndSet(itemp, TRUE, take_keyboard_focus);
		mSelectThisID.setNull();
		return;
	}
	else
	{
		// save the desired item to be selected later (if/when ready)
		mSelectThisID = obj_id;
	}
}

// static
bool LLAvatarActions::canShareSelectedItems(LLInventoryPanel* inv_panel /* = NULL*/)
{
	using namespace action_give_inventory;

	if (!inv_panel)
	{
		LLInventoryPanel* active_panel = get_active_inventory_panel();
		if (!active_panel) return false;
		inv_panel = active_panel;
	}

	// check selection in the panel
	LLFolderView* root_folder = inv_panel->getRootFolder();
    if (!root_folder)
    {
        return false;
    }
	const std::set<LLFolderViewItem*> inventory_selected = root_folder->getSelectionList();
	if (inventory_selected.empty()) return false; // nothing selected

	bool can_share = true;
	std::set<LLFolderViewItem*>::const_iterator it = inventory_selected.begin();
	const std::set<LLFolderViewItem*>::const_iterator it_end = inventory_selected.end();
	for (; it != it_end; ++it)
	{
		LLViewerInventoryCategory* inv_cat = gInventory.getCategory(static_cast<LLFolderViewModelItemInventory*>((*it)->getViewModelItem())->getUUID());
		// any category can be offered.
		if (inv_cat)
		{
			continue;
		}

		// check if inventory item can be given
		LLFolderViewItem* item = *it;
		if (!item) return false;
		LLInvFVBridge* bridge = dynamic_cast<LLInvFVBridge*>(item->getViewModelItem());
		if (bridge && bridge->canShare())
		{
			continue;
		}

		// there are neither item nor category in inventory
		can_share = false;
		break;
	}

	return can_share;
}

void LLPanelOutfitEdit::saveListSelection()
{
	if(mWearablesListViewPanel->getVisible())
	{
		std::set<LLUUID> selected_ids = mInventoryItemsPanel->getRootFolder()->getSelectionList();

		if(!selected_ids.size()) return;

		for (std::set<LLUUID>::const_iterator item_id = selected_ids.begin(); item_id != selected_ids.end(); ++item_id)
		{
			mWearableItemsList->selectItemByUUID(*item_id, true);
		}
		mWearableItemsList->scrollToShowFirstSelectedItem();
	}
	else if(mInventoryItemsPanel->getVisible())
	{
		std::vector<LLUUID> selected_ids;
		mWearableItemsList->getSelectedUUIDs(selected_ids);

		if(!selected_ids.size()) return;

		mInventoryItemsPanel->clearSelection();
		LLFolderView* root = mInventoryItemsPanel->getRootFolder();

		if(!root) return;

		for(std::vector<LLUUID>::const_iterator item_id = selected_ids.begin(); item_id != selected_ids.end(); ++item_id)
		{
			LLFolderViewItem* item = root->getItemByID(*item_id);
			if (!item) continue;

			LLFolderViewFolder* parent = item->getParentFolder();
			if(parent)
			{
				parent->setOpenArrangeRecursively(TRUE, LLFolderViewFolder::RECURSE_UP);
			}
			mInventoryItemsPanel->getRootFolder()->changeSelection(item, TRUE);
		}
		mInventoryItemsPanel->getRootFolder()->scrollToShowSelection();
	}
}

LLFolderViewItem* LLInventoryPanel::buildNewViews(const LLUUID& id)
{
 	LLInventoryObject const* objectp = gInventory.getObject(id);
	LLUUID root_id = mFolderRoot.get()->getListener()->getUUID();
 	LLFolderViewFolder* parent_folder = NULL;
	LLFolderViewItem* itemp = NULL;
	
 	if (id == root_id)
 	{
		parent_folder = mFolderRoot.get();
 	}
 	else if (objectp)
 	{
 		const LLUUID &parent_id = objectp->getParentUUID();
		parent_folder = (LLFolderViewFolder*)mFolderRoot.get()->getItemByID(parent_id);
  		
  		if (parent_folder)
  		{
  			if (objectp->getType() <= LLAssetType::AT_NONE ||
  				objectp->getType() >= LLAssetType::AT_COUNT)
  			{
  				llwarns << "LLInventoryPanel::buildNewViews called with invalid objectp->mType : "
  						<< ((S32) objectp->getType()) << " name " << objectp->getName() << " UUID " << objectp->getUUID()
  						<< llendl;
  				return NULL;
  			}
  		
  			if ((objectp->getType() == LLAssetType::AT_CATEGORY) &&
  				(objectp->getActualType() != LLAssetType::AT_LINK_FOLDER))
			{
  				LLInvFVBridge* new_listener = mInvFVBridgeBuilder->createBridge(objectp->getType(),
													objectp->getType(),
													LLInventoryType::IT_CATEGORY,
													this,
													mFolderRoot.get(),
													objectp->getUUID());
  				if (new_listener)
  				{
					LLFolderViewFolder* folderp = createFolderViewFolder(new_listener);
					if (folderp)
					{
						folderp->setItemSortOrder(mFolderRoot.get()->getSortOrder());
					}
  					itemp = folderp;
  				}
  			}
  			else
  			{
  				// Build new view for item.
  				LLInventoryItem* item = (LLInventoryItem*)objectp;
  				LLInvFVBridge* new_listener = mInvFVBridgeBuilder->createBridge(item->getType(),
				item->getActualType(),
				item->getInventoryType(),
  																				this,
																				mFolderRoot.get(),
  																				item->getUUID(),
  																				item->getFlags());
 
  				if (new_listener)
  				{
					itemp = createFolderViewItem(new_listener);
  				}
  			}
 
  			if (itemp)
  			{
				itemp->addToFolder(parent_folder, mFolderRoot.get());
   			}
		}
	}

	// If this is a folder, add the children of the folder and recursively add any 
	// child folders.
	if (id.isNull()
		||	(objectp
			&& objectp->getType() == LLAssetType::AT_CATEGORY))
	{
		LLViewerInventoryCategory::cat_array_t* categories;
		LLViewerInventoryItem::item_array_t* items;
		mInventory->lockDirectDescendentArrays(id, categories, items);
		
		if(categories)
		{
			for (LLViewerInventoryCategory::cat_array_t::const_iterator cat_iter = categories->begin();
				 cat_iter != categories->end();
				 ++cat_iter)
			{
				const LLViewerInventoryCategory* cat = (*cat_iter);
				buildNewViews(cat->getUUID());
			}
		}
		
		if(items && parent_folder)
		{
			for (LLViewerInventoryItem::item_array_t::const_iterator item_iter = items->begin();
				 item_iter != items->end();
				 ++item_iter)
			{
				const LLViewerInventoryItem* item = (*item_iter);
				buildNewViews(item->getUUID());
//.........这里部分代码省略.........

void LLInventoryPanel::buildNewViews(const LLUUID& id)
{
	LLFolderViewItem* itemp = NULL;
	LLInventoryObject* objectp = gInventory.getObject(id);

	if (objectp)
	{		
		if (objectp->getType() <= LLAssetType::AT_NONE ||
			objectp->getType() >= LLAssetType::AT_COUNT)
		{
			llwarns << "LLInventoryPanel::buildNewViews called with objectp->mType == " 
				<< ((S32) objectp->getType())
				<< " (shouldn't happen)" << llendl;
		}
		else if (objectp->getType() == LLAssetType::AT_CATEGORY) // build new view for category
		{
			LLInvFVBridge* new_listener = LLInvFVBridge::createBridge(objectp->getType(),
													LLInventoryType::IT_CATEGORY,
													this,
													objectp->getUUID());

			if (new_listener)
			{
				LLFolderViewFolder* folderp = new LLFolderViewFolder(new_listener->getDisplayName(),
													new_listener->getIcon(),
													mFolders,
													new_listener);
				
				folderp->setItemSortOrder(mFolders->getSortOrder());
				itemp = folderp;
			}
		}
		else // build new view for item
		{
			LLInventoryItem* item = (LLInventoryItem*)objectp;
			LLInvFVBridge* new_listener = LLInvFVBridge::createBridge(
				item->getType(),
				item->getInventoryType(),
				this,
				item->getUUID(),
				item->getFlags());
			if (new_listener)
			{
				itemp = new LLFolderViewItem(new_listener->getDisplayName(),
												new_listener->getIcon(),
												new_listener->getCreationDate(),
												mFolders,
												new_listener);
			}
		}

		LLFolderViewFolder* parent_folder = (LLFolderViewFolder*)mFolders->getItemByID(objectp->getParentUUID());

		if (itemp)
		{
			if (parent_folder)
			{
				itemp->addToFolder(parent_folder, mFolders);
			}
			else
			{
				llwarns << "Couldn't find parent folder for child " << itemp->getLabel() << llendl;
				delete itemp;
			}
		}
	}

	if ((id.isNull() ||
		(objectp && objectp->getType() == LLAssetType::AT_CATEGORY)))
	{
		LLViewerInventoryCategory::cat_array_t* categories;
		LLViewerInventoryItem::item_array_t* items;

		mInventory->lockDirectDescendentArrays(id, categories, items);
		if(categories)
		{
			S32 count = categories->count();
			for(S32 i = 0; i < count; ++i)
			{
				LLInventoryCategory* cat = categories->get(i);
				buildNewViews(cat->getUUID());
			}
		}
		if(items)
		{
			S32 count = items->count();
			for(S32 i = 0; i < count; ++i)
			{
				LLInventoryItem* item = items->get(i);
				buildNewViews(item->getUUID());
			}
		}
		mInventory->unlockDirectDescendentArrays(id);
	}
}

void LLInventoryPanel::modelChanged(U32 mask)
{
	LLFastTimer t2(LLFastTimer::FTM_REFRESH);

	bool handled = false;
	if(mask & LLInventoryObserver::LABEL)
	{
		handled = true;
		// label change - empty out the display name for each object
		// in this change set.
		const std::set<LLUUID>& changed_items = gInventory.getChangedIDs();
		std::set<LLUUID>::const_iterator id_it = changed_items.begin();
		std::set<LLUUID>::const_iterator id_end = changed_items.end();
		LLFolderViewItem* view = NULL;
		LLInvFVBridge* bridge = NULL;
		for (;id_it != id_end; ++id_it)
		{
			view = mFolders->getItemByID(*id_it);
			if(view)
			{
				// request refresh on this item (also flags for filtering)
				bridge = (LLInvFVBridge*)view->getListener();
				if(bridge)
				{	// Clear the display name first, so it gets properly re-built during refresh()
					bridge->clearDisplayName();
				}
				view->refresh();
			}
		}
	}
	if((mask & (LLInventoryObserver::STRUCTURE
				| LLInventoryObserver::ADD
				| LLInventoryObserver::REMOVE)) != 0)
	{
		handled = true;
		// Record which folders are open by uuid.
		LLInventoryModel* model = getModel();
		if (model)
		{
			const std::set<LLUUID>& changed_items = gInventory.getChangedIDs();

			std::set<LLUUID>::const_iterator id_it = changed_items.begin();
			std::set<LLUUID>::const_iterator id_end = changed_items.end();
			for (;id_it != id_end; ++id_it)
			{
				// sync view with model
				LLInventoryObject* model_item = model->getObject(*id_it);
				LLFolderViewItem* view_item = mFolders->getItemByID(*id_it);

				if (model_item)
				{
					if (!view_item)
					{
						// this object was just created, need to build a view for it
						if ((mask & LLInventoryObserver::ADD) != LLInventoryObserver::ADD)
						{
							llwarns << *id_it << " is in model but not in view, but ADD flag not set" << llendl;
						}
						buildNewViews(*id_it);
						
						// select any newly created object
						// that has the auto rename at top of folder
						// root set
						if(mFolders->getRoot()->needsAutoRename())
						{
							setSelection(*id_it, FALSE);
						}
					}
					else
					{
						// this object was probably moved, check its parent
						if ((mask & LLInventoryObserver::STRUCTURE) != LLInventoryObserver::STRUCTURE)
						{
							llwarns << *id_it << " is in model and in view, but STRUCTURE flag not set" << llendl;
						}

						LLFolderViewFolder* new_parent = (LLFolderViewFolder*)mFolders->getItemByID(model_item->getParentUUID());
						if (view_item->getParentFolder() != new_parent)
						{
							view_item->getParentFolder()->extractItem(view_item);
							view_item->addToFolder(new_parent, mFolders);
						}
					}
				}
				else
				{
					if (view_item)
					{
						if ((mask & LLInventoryObserver::REMOVE) != LLInventoryObserver::REMOVE)
						{
							llwarns << *id_it << " is not in model but in view, but REMOVE flag not set" << llendl;
						}
						// item in view but not model, need to delete view
						view_item->destroyView();
					}
					else
					{
						llwarns << *id_it << "Item does not exist in either view or model, but notification triggered" << llendl;
					}
				}
//.........这里部分代码省略.........

BOOL LLPanelMainInventory::isActionEnabled(const LLSD& userdata)
{
	const std::string command_name = userdata.asString();
	if (command_name == "delete")
	{
		BOOL can_delete = FALSE;
		LLFolderView* root = getActivePanel()->getRootFolder();
		if (root)
		{
			can_delete = TRUE;
			std::set<LLUUID> selection_set = root->getSelectionList();
			if (selection_set.empty()) return FALSE;
			for (std::set<LLUUID>::iterator iter = selection_set.begin();
				 iter != selection_set.end();
				 ++iter)
			{
				const LLUUID &item_id = (*iter);
				LLFolderViewItem *item = root->getItemByID(item_id);
				const LLFolderViewEventListener *listener = item->getListener();
				llassert(listener);
				if (!listener) return FALSE;
				can_delete &= listener->isItemRemovable();
				can_delete &= !listener->isItemInTrash();
			}
			return can_delete;
		}
		return FALSE;
	}
	if (command_name == "save_texture")
	{
		return isSaveTextureEnabled(userdata);
	}
	if (command_name == "find_original")
	{
		LLFolderViewItem* current_item = getActivePanel()->getRootFolder()->getCurSelectedItem();
		if (!current_item) return FALSE;
		const LLUUID& item_id = current_item->getListener()->getUUID();
		const LLViewerInventoryItem *item = gInventory.getItem(item_id);
		if (item && item->getIsLinkType() && !item->getIsBrokenLink())
		{
			return TRUE;
		}
		return FALSE;
	}

	if (command_name == "find_links")
	{
		LLFolderView* root = getActivePanel()->getRootFolder();
		std::set<LLUUID> selection_set = root->getSelectionList();
		if (selection_set.size() != 1) return FALSE;
		LLFolderViewItem* current_item = root->getCurSelectedItem();
		if (!current_item) return FALSE;
		const LLUUID& item_id = current_item->getListener()->getUUID();
		const LLInventoryObject *obj = gInventory.getObject(item_id);
		if (obj && !obj->getIsLinkType() && LLAssetType::lookupCanLink(obj->getType()))
		{
			return TRUE;
		}
		return FALSE;
	}
	// This doesn't currently work, since the viewer can't change an assetID an item.
	if (command_name == "regenerate_link")
	{
		LLFolderViewItem* current_item = getActivePanel()->getRootFolder()->getCurSelectedItem();
		if (!current_item) return FALSE;
		const LLUUID& item_id = current_item->getListener()->getUUID();
		const LLViewerInventoryItem *item = gInventory.getItem(item_id);
		if (item && item->getIsBrokenLink())
		{
			return TRUE;
		}
		return FALSE;
	}

	if (command_name == "share")
	{
		LLSidepanelInventory* parent = dynamic_cast<LLSidepanelInventory*>(LLSideTray::getInstance()->getPanel("sidepanel_inventory"));
		return parent ? parent->canShare() : FALSE;
	}

	return TRUE;
}

void LLBuildNewViewsScheduler::buildNewViews(LLInventoryPanel* panelp, LLInventoryObject* objectp)
{
	LLFolderViewItem* itemp = NULL;

	if (objectp)
	{		
		if (objectp->getType() <= LLAssetType::AT_NONE ||
			objectp->getType() >= LLAssetType::AT_COUNT)
		{
			llwarns << "called with objectp->mType == " 
				<< ((S32) objectp->getType())
				<< " (shouldn't happen)" << llendl;
		}
		else if (objectp->getType() == LLAssetType::AT_CATEGORY) // build new view for category
		{
			LLInvFVBridge* new_listener = LLInvFVBridge::createBridge(objectp->getType(),
													LLInventoryType::IT_CATEGORY,
													panelp,
													objectp->getUUID());

			if (new_listener)
			{
				LLFolderViewFolder* folderp = new LLFolderViewFolder(new_listener->getDisplayName(),
													new_listener->getIcon(),
													panelp->getRootFolder(),
													new_listener);
				
				folderp->setItemSortOrder(panelp->getSortOrder());
				itemp = folderp;
			}
		}
		else // build new view for item
		{
			LLInventoryItem* item = (LLInventoryItem*)objectp;
			LLInvFVBridge* new_listener = LLInvFVBridge::createBridge(
				item->getType(),
				item->getInventoryType(),
				panelp,
				item->getUUID(),
				item->getFlags());
			if (new_listener)
			{
				itemp = new LLFolderViewItem(new_listener->getDisplayName(),
												new_listener->getIcon(),
												new_listener->getCreationDate(),
												panelp->getRootFolder(),
												new_listener);
			}
		}

		LLFolderViewFolder* parent_folder = (LLFolderViewFolder*)panelp->getRootFolder()->getItemByID(objectp->getParentUUID());

		if (itemp)
		{
			itemp->mDelayedDelete = TRUE;
			if (parent_folder)
			{
				itemp->addToFolder(parent_folder, panelp->getRootFolder());
			}
			else
			{
				llwarns << "Couldn't find parent folder for child " << itemp->getLabel() << llendl;
				delete itemp;
			}
		}
	}

	if (!objectp || (objectp && (objectp->getType() == LLAssetType::AT_CATEGORY)))
	{
		LLViewerInventoryCategory::cat_array_t* categories;
		LLViewerInventoryItem::item_array_t* items;

		panelp->getModel()->lockDirectDescendentArrays((objectp != NULL) ? objectp->getUUID() : LLUUID::null, categories, items);
		if(categories)
		{
			S32 count = categories->count();
			for(S32 i = 0; i < count; ++i)
			{
				LLInventoryCategory* cat = categories->get(i);
				addJob(panelp, cat);
			}
		}
		if(items)
		{
			S32 count = items->count();
			for(S32 i = 0; i < count; ++i)
			{
				LLInventoryItem* item = items->get(i);
				addJob(panelp, item);
			}
		}
		panelp->getModel()->unlockDirectDescendentArrays(objectp->getUUID());
	}
}

void LLInventoryPanel::buildNewViews(const LLUUID& id)
{
	LLMemType mt(LLMemType::MTYPE_INVENTORY_BUILD_NEW_VIEWS);
	LLFolderViewItem* itemp = NULL;
	LLInventoryObject* objectp = gInventory.getObject(id);
	if (objectp)
	{
		const LLUUID &parent_id = objectp->getParentUUID();
		LLFolderViewFolder* parent_folder = (LLFolderViewFolder*)mFolderRoot->getItemByID(parent_id);
		if (id == mStartFolderID)
		{
			parent_folder = mFolderRoot;
		}
		else if ((mStartFolderID != LLUUID::null) && (!gInventory.isObjectDescendentOf(id, mStartFolderID)))
		{
			// This item exists outside the inventory's hierarchy, so don't add it.
			return;
		}
		
		if (objectp->getType() <= LLAssetType::AT_NONE ||
			objectp->getType() >= LLAssetType::AT_COUNT)
		{
			llwarns << "LLInventoryPanel::buildNewViews called with invalid objectp->mType : "
					<< ((S32) objectp->getType()) << " name " << objectp->getName() << " UUID " << objectp->getUUID() 
					<< llendl;
			return;
		}
		
		if ((objectp->getType() == LLAssetType::AT_CATEGORY) &&
			(objectp->getActualType() != LLAssetType::AT_LINK_FOLDER))
		{
			LLInvFVBridge* new_listener = mInvFVBridgeBuilder->createBridge(objectp->getType(),
																			objectp->getType(),
																			LLInventoryType::IT_CATEGORY,
																			this,
																			mFolderRoot,
																			objectp->getUUID());
			if (new_listener)
			{
				LLFolderViewFolder::Params params;
				params.name = new_listener->getDisplayName();
				params.icon = new_listener->getIcon();
				params.icon_open = new_listener->getOpenIcon();
				if (mShowItemLinkOverlays) // if false, then links show up just like normal items
				{
					params.icon_overlay = LLUI::getUIImage("Inv_Link");
				}
				params.root = mFolderRoot;
				params.listener = new_listener;
				params.tool_tip = params.name;
				LLFolderViewFolder* folderp = LLUICtrlFactory::create<LLFolderViewFolder>(params);
				folderp->setItemSortOrder(mFolderRoot->getSortOrder());
				itemp = folderp;

				// Hide the root folder, so we can show the contents of a folder flat
				// but still have the parent folder present for listener-related operations.
				if (id == mStartFolderID)
				{
					folderp->setHidden(TRUE);
				}
				const LLViewerInventoryCategory *cat = dynamic_cast<LLViewerInventoryCategory *>(objectp);
				if (cat && getIsHiddenFolderType(cat->getPreferredType()))
				{
					folderp->setHidden(TRUE);
				}
			}
		}
		else 
		{
			// Build new view for item.
			LLInventoryItem* item = (LLInventoryItem*)objectp;
			LLInvFVBridge* new_listener = mInvFVBridgeBuilder->createBridge(item->getType(),
																			item->getActualType(),
																			item->getInventoryType(),
																			this,
																			mFolderRoot,
																			item->getUUID(),
																			item->getFlags());

			if (new_listener)
			{
				LLFolderViewItem::Params params;
				params.name = new_listener->getDisplayName();
				params.icon = new_listener->getIcon();
				params.icon_open = new_listener->getOpenIcon();
				if (mShowItemLinkOverlays) // if false, then links show up just like normal items
				{
					params.icon_overlay = LLUI::getUIImage("Inv_Link");
				}
				params.creation_date = new_listener->getCreationDate();
				params.root = mFolderRoot;
				params.listener = new_listener;
				params.rect = LLRect (0, 0, 0, 0);
				params.tool_tip = params.name;
				itemp = LLUICtrlFactory::create<LLFolderViewItem> (params);
			}
		}

		if (itemp)
		{
//.........这里部分代码省略.........

BOOL LLPanelOutfitsInventory::isActionEnabled(const LLSD& userdata)
{
    const std::string command_name = userdata.asString();
    if (command_name == "delete" || command_name == "remove")
    {
        BOOL can_delete = FALSE;
        LLFolderView *folder = getActivePanel()->getRootFolder();
        if (folder)
        {
            std::set<LLUUID> selection_set;
            folder->getSelectionList(selection_set);
            can_delete = (selection_set.size() > 0);
            for (std::set<LLUUID>::iterator iter = selection_set.begin();
                    iter != selection_set.end();
                    ++iter)
            {
                const LLUUID &item_id = (*iter);
                LLFolderViewItem *item = folder->getItemByID(item_id);
                can_delete &= item->getListener()->isItemRemovable();
            }
            return can_delete;
        }
        return FALSE;
    }
    if (command_name == "remove_link")
    {
        BOOL can_delete = FALSE;
        LLFolderView *folder = getActivePanel()->getRootFolder();
        if (folder)
        {
            std::set<LLUUID> selection_set;
            folder->getSelectionList(selection_set);
            can_delete = (selection_set.size() > 0);
            for (std::set<LLUUID>::iterator iter = selection_set.begin();
                    iter != selection_set.end();
                    ++iter)
            {
                const LLUUID &item_id = (*iter);
                LLViewerInventoryItem *item = gInventory.getItem(item_id);
                if (!item || !item->getIsLinkType())
                    return FALSE;
            }
            return can_delete;
        }
        return FALSE;
    }
    if (command_name == "rename" ||
            command_name == "delete_outfit")
    {
        return (getCorrectListenerForAction() != NULL) && hasItemsSelected();
    }

    if (command_name == "wear")
    {
        if (isCOFPanelActive())
        {
            return FALSE;
        }
    }
    if (command_name == "make_outfit")
    {
        return TRUE;
    }

    if (command_name == "edit" ||
            command_name == "add"
       )
    {
        return (getCorrectListenerForAction() != NULL);
    }
    return TRUE;
}