C++ LLAccordionCtrlTab::notifyChildren方法代码示例

void LLOutfitsList::applyFilter(const std::string& new_filter_substring)
{
	mAccordion->setFilterSubString(new_filter_substring);

	for (outfits_map_t::iterator
			 iter = mOutfitsMap.begin(),
			 iter_end = mOutfitsMap.end();
		 iter != iter_end; ++iter)
	{
		LLAccordionCtrlTab* tab = iter->second;
		if (!tab) continue;

		bool more_restrictive = sFilterSubString.size() < new_filter_substring.size() && !new_filter_substring.substr(0, sFilterSubString.size()).compare(sFilterSubString);

		// Restore tab visibility in case of less restrictive filter
		// to compare it with updated string if it was previously hidden.
		if (!more_restrictive)
		{
			tab->setVisible(TRUE);
		}

		LLWearableItemsList* list = dynamic_cast<LLWearableItemsList*>(tab->getAccordionView());
		if (list)
		{
			list->setFilterSubString(new_filter_substring);
		}

		if(sFilterSubString.empty() && !new_filter_substring.empty())
		{
			//store accordion tab state when filter is not empty
			tab->notifyChildren(LLSD().with("action","store_state"));
		}

		if (!new_filter_substring.empty())
		{
			applyFilterToTab(iter->first, tab, new_filter_substring);
		}
		else
		{
			// restore tab title when filter is empty
			tab->setTitle(tab->getTitle());

			//restore accordion state after all those accodrion tab manipulations
			tab->notifyChildren(LLSD().with("action","restore_state"));

			// Try restoring the tab selection.
			restoreOutfitSelection(tab, iter->first);
		}
	}

	mAccordion->arrange();
}

// Called to add items, no more, than ADD_LIMIT at time
void LLTeleportHistoryPanel::refresh()
{
	if (!mHistoryAccordion)
	{
		mDirty = false;
		return;
	}

	const LLTeleportHistoryStorage::slurl_list_t& items = mTeleportHistory->getItems();

	// Setting tab_boundary_date to "now", so date from any item would be earlier, than boundary.
	// That leads to call to getNextTab to get right tab_idx in first pass
	LLDate tab_boundary_date =  LLDate::now();

	LLFlatListView* curr_flat_view = NULL;
	std::string filter_string = sFilterSubString;
	LLStringUtil::toUpper(filter_string);

	U32 added_items = 0;
	while (mCurrentItem >= 0)
	{
		// Filtering
		if (!filter_string.empty())
		{
			std::string landmark_title(items[mCurrentItem].mTitle);
			LLStringUtil::toUpper(landmark_title);
			if( std::string::npos == landmark_title.find(filter_string) )
			{
				mCurrentItem--;
				continue;
			}
		}

		// Checking whether date of item is earlier, than tab_boundary_date.
		// In that case, item should be added to another tab
		const LLDate &date = items[mCurrentItem].mDate;

		if (date < tab_boundary_date)
		{
			// Getting apropriate tab_idx for this and subsequent items,
			// tab_boundary_date would be earliest possible date for this tab
			S32 tab_idx = 0;
			getNextTab(date, tab_idx, tab_boundary_date);
			tab_idx = mItemContainers.size() - 1 - tab_idx;
			if (tab_idx >= 0)
			{
				LLAccordionCtrlTab* tab = mItemContainers.get(tab_idx);
				tab->setVisible(true);

				// Expand all accordion tabs when filtering
				if(!sFilterSubString.empty())
				{
					//store accordion tab state when filter is not empty
					tab->notifyChildren(LLSD().with("action","store_state"));
				
					tab->setDisplayChildren(true);
				}
				// Restore each tab's expand state when not filtering
				else
				{
					bool collapsed = isAccordionCollapsedByUser(tab);
					tab->setDisplayChildren(!collapsed);
			
					//restore accordion state after all those accodrion tabmanipulations
					tab->notifyChildren(LLSD().with("action","restore_state"));
				}

				curr_flat_view = getFlatListViewFromTab(tab);
			}
		}

		if (curr_flat_view)
		{
			LLTeleportHistoryFlatItem* item =
				LLTeleportHistoryFlatItemStorage::instance()
				.getFlatItemForPersistentItem(&mContextMenu,
											  items[mCurrentItem],
											  mCurrentItem,
											  filter_string);
			if ( !curr_flat_view->addItem(item, LLUUID::null, ADD_BOTTOM, false) )
				llerrs << "Couldn't add flat item to teleport history." << llendl;
			if (mLastSelectedItemIndex == mCurrentItem)
				curr_flat_view->selectItem(item, true);
		}

		mCurrentItem--;

		if (++added_items >= ADD_LIMIT)
			break;
	}

	for (S32 n = mItemContainers.size() - 1; n >= 0; --n)
	{
		LLAccordionCtrlTab* tab = mItemContainers.get(n);
		LLFlatListView* fv = getFlatListViewFromTab(tab);
		if (fv)
		{
			fv->notify(LLSD().with("rearrange", LLSD()));
		}
//.........这里部分代码省略.........

void LLOutfitsList::refreshList(const LLUUID& category_id)
{
	LLInventoryModel::cat_array_t cat_array;
	LLInventoryModel::item_array_t item_array;

	// Collect all sub-categories of a given category.
	LLIsType is_category(LLAssetType::AT_CATEGORY);
	gInventory.collectDescendentsIf(
		category_id,
		cat_array,
		item_array,
		LLInventoryModel::EXCLUDE_TRASH,
		is_category);

	uuid_vec_t vadded;
	uuid_vec_t vremoved;

	// Create added and removed items vectors.
	computeDifference(cat_array, vadded, vremoved);

	// Handle added tabs.
	for (uuid_vec_t::const_iterator iter = vadded.begin();
		 iter != vadded.end();
		 ++iter)
	{
		const LLUUID cat_id = (*iter);
		LLViewerInventoryCategory *cat = gInventory.getCategory(cat_id);
		if (!cat) continue;

		std::string name = cat->getName();

		outfit_accordion_tab_params tab_params(get_accordion_tab_params());
		LLAccordionCtrlTab* tab = LLUICtrlFactory::create<LLAccordionCtrlTab>(tab_params);
		if (!tab) continue;
		LLWearableItemsList* wearable_list = LLUICtrlFactory::create<LLWearableItemsList>(tab_params.wearable_list);
		wearable_list->setShape(tab->getLocalRect());
		tab->addChild(wearable_list);

		tab->setName(name);
		tab->setTitle(name);

		// *TODO: LLUICtrlFactory::defaultBuilder does not use "display_children" from xml. Should be investigated.
		tab->setDisplayChildren(false);
		mAccordion->addCollapsibleCtrl(tab);

		// Start observing the new outfit category.
		LLWearableItemsList* list  = tab->getChild<LLWearableItemsList>("wearable_items_list");
		if (!mCategoriesObserver->addCategory(cat_id, boost::bind(&LLWearableItemsList::updateList, list, cat_id)))
		{
			// Remove accordion tab if category could not be added to observer.
			mAccordion->removeCollapsibleCtrl(tab);

			// kill removed tab
				tab->die();
			continue;
		}

		// Map the new tab with outfit category UUID.
		mOutfitsMap.insert(LLOutfitsList::outfits_map_value_t(cat_id, tab));

		tab->setRightMouseDownCallback(boost::bind(&LLOutfitsList::onAccordionTabRightClick, this,
			_1, _2, _3, cat_id));

		// Setting tab focus callback to monitor currently selected outfit.
		tab->setFocusReceivedCallback(boost::bind(&LLOutfitsList::changeOutfitSelection, this, list, cat_id));

		// Setting callback to reset items selection inside outfit on accordion collapsing and expanding (EXT-7875)
		tab->setDropDownStateChangedCallback(boost::bind(&LLOutfitsList::resetItemSelection, this, list, cat_id));

		// force showing list items that don't match current filter(EXT-7158)
		list->setForceShowingUnmatchedItems(true);

		// Setting list commit callback to monitor currently selected wearable item.
		list->setCommitCallback(boost::bind(&LLOutfitsList::onSelectionChange, this, _1));

		// Setting list refresh callback to apply filter on list change.
		list->setRefreshCompleteCallback(boost::bind(&LLOutfitsList::onFilteredWearableItemsListRefresh, this, _1));

		list->setRightMouseDownCallback(boost::bind(&LLOutfitsList::onWearableItemsListRightClick, this, _1, _2, _3));

		// Fetch the new outfit contents.
		cat->fetch();

		// Refresh the list of outfit items after fetch().
		// Further list updates will be triggered by the category observer.
		list->updateList(cat_id);

		// If filter is currently applied we store the initial tab state and
		// open it to show matched items if any.
		if (!sFilterSubString.empty())
		{
			tab->notifyChildren(LLSD().with("action","store_state"));
			tab->setDisplayChildren(true);

			// Setting mForceRefresh flag will make the list refresh its contents
			// even if it is not currently visible. This is required to apply the
			// filter to the newly added list.
			list->setForceRefresh(true);

			list->setFilterSubString(sFilterSubString);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
			// Remove accordion tab if category could not be added to observer.
			mAccordion->removeCollapsibleCtrl(tab);

			// kill removed tab
				tab->die();
			continue;
		}

		// Map the new tab with outfit category UUID.
		mOutfitsMap.insert(LLOutfitsList::outfits_map_value_t(cat_id, tab));

		tab->setRightMouseDownCallback(boost::bind(&LLOutfitsList::onAccordionTabRightClick, this,
			_1, _2, _3, cat_id));

		// Setting tab focus callback to monitor currently selected outfit.
		tab->setFocusReceivedCallback(boost::bind(&LLOutfitsList::changeOutfitSelection, this, list, cat_id));

		// Setting callback to reset items selection inside outfit on accordion collapsing and expanding (EXT-7875)
		tab->setDropDownStateChangedCallback(boost::bind(&LLOutfitsList::resetItemSelection, this, list, cat_id));

		// force showing list items that don't match current filter(EXT-7158)
		list->setForceShowingUnmatchedItems(true);

		// Setting list commit callback to monitor currently selected wearable item.
		list->setCommitCallback(boost::bind(&LLOutfitsList::onSelectionChange, this, _1));

		// Setting list refresh callback to apply filter on list change.
		list->setRefreshCompleteCallback(boost::bind(&LLOutfitsList::onFilteredWearableItemsListRefresh, this, _1));

		list->setRightMouseDownCallback(boost::bind(&LLOutfitsList::onWearableItemsListRightClick, this, _1, _2, _3));

		// Fetch the new outfit contents.
		cat->fetch();

		// Refresh the list of outfit items after fetch().
		// Further list updates will be triggered by the category observer.
		list->updateList(cat_id);

		// If filter is currently applied we store the initial tab state and
		// open it to show matched items if any.
		if (!sFilterSubString.empty())
		{
			tab->notifyChildren(LLSD().with("action","store_state"));
			tab->setDisplayChildren(true);

			// Setting mForceRefresh flag will make the list refresh its contents
			// even if it is not currently visible. This is required to apply the
			// filter to the newly added list.
			list->setForceRefresh(true);

			list->setFilterSubString(sFilterSubString);
		}
	}

	// <FS:ND> We called mAccordion->addCollapsibleCtrl with false as second paramter and did not let it arrange itself each time. Do this here after all is said and done.
	mAccordion->arrange();
	// </FS:ND>

	// Handle removed tabs.
	for (uuid_vec_t::const_iterator iter=vremoved.begin(); iter != vremoved.end(); ++iter)
	{
		outfits_map_t::iterator outfits_iter = mOutfitsMap.find((*iter));
		if (outfits_iter != mOutfitsMap.end())
		{
			const LLUUID& outfit_id = outfits_iter->first;
			LLAccordionCtrlTab* tab = outfits_iter->second;

			// An outfit is removed from the list. Do the following:
			// 1. Remove outfit category from observer to stop monitoring its changes.
			mCategoriesObserver->removeCategory(outfit_id);

			// 2. Remove the outfit from selection.
			deselectOutfit(outfit_id);

			// 3. Remove category UUID to accordion tab mapping.
			mOutfitsMap.erase(outfits_iter);

			// 4. Remove outfit tab from accordion.
			mAccordion->removeCollapsibleCtrl(tab);

			// kill removed tab
			if (tab != NULL)
			{
				tab->die();
			}
		}
	}

	// Get changed items from inventory model and update outfit tabs
	// which might have been renamed.
	const LLInventoryModel::changed_items_t& changed_items = gInventory.getChangedIDs();
	for (LLInventoryModel::changed_items_t::const_iterator items_iter = changed_items.begin();
		 items_iter != changed_items.end();
		 ++items_iter)
	{
		updateOutfitTab(*items_iter);
	}

	mAccordion->sort();
}