diff options
Diffstat (limited to 'indra/llui/llflatlistview.h')
| -rw-r--r-- | indra/llui/llflatlistview.h | 98 |
1 files changed, 67 insertions, 31 deletions
diff --git a/indra/llui/llflatlistview.h b/indra/llui/llflatlistview.h index f7d094f7e7..0515853698 100644 --- a/indra/llui/llflatlistview.h +++ b/indra/llui/llflatlistview.h @@ -2,31 +2,25 @@ * @file llflatlistview.h * @brief LLFlatListView base class and extension to support messages for several cases of an empty list. * - * $LicenseInfo:firstyear=2009&license=viewergpl$ - * - * Copyright (c) 2009-2010, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -60,6 +54,7 @@ */ class LLFlatListView : public LLScrollContainer, public LLEditMenuHandler { + LOG_CLASS(LLFlatListView); public: /** @@ -105,6 +100,9 @@ public: /** don't allow to deselect all selected items (for mouse events on items only) */ Optional<bool> keep_one_selected; + /** try to keep selection visible after reshape */ + Optional<bool> keep_selection_visible_on_reshape; + /** padding between items */ Optional<U32> item_pad; @@ -114,6 +112,9 @@ public: Params(); }; + // disable traversal when finding widget to hand focus off to + /*virtual*/ BOOL canFocusChildren() const { return FALSE; } + /** * Connects callback to signal called when Return key is pressed. */ @@ -146,19 +147,19 @@ public: * Remove specified item * @return true if the item was removed, false otherwise */ - virtual bool removeItem(LLPanel* item); + virtual bool removeItem(LLPanel* item, bool rearrange = true); /** * Remove an item specified by value * @return true if the item was removed, false otherwise */ - virtual bool removeItemByValue(const LLSD& value); + virtual bool removeItemByValue(const LLSD& value, bool rearrange = true); /** * Remove an item specified by uuid * @return true if the item was removed, false otherwise */ - virtual bool removeItemByUUID(const LLUUID& uuid); + virtual bool removeItemByUUID(const LLUUID& uuid, bool rearrange = true); /** * Get an item by value @@ -259,14 +260,14 @@ public: void setAllowSelection(bool can_select) { mAllowSelection = can_select; } /** Sets flag whether onCommit should be fired if selection was changed */ + // FIXME: this should really be a separate signal, since "Commit" implies explicit user action, and selection changes can happen more indirectly. void setCommitOnSelectionChange(bool b) { mCommitOnSelectionChange = b; } /** Get number of selected items in the list */ U32 numSelected() const {return mSelectedItemPairs.size(); } - /** Get number of items in the list */ - U32 size() const { return mItemPairs.size(); } - + /** Get number of (visible) items in the list */ + U32 size(const bool only_visible_items = true) const; /** Removes all items from the list */ virtual void clear(); @@ -291,6 +292,7 @@ public: bool updateValue(const LLSD& old_value, const LLSD& new_value); + void scrollToShowFirstSelectedItem(); void selectFirstItem (); void selectLastItem (); @@ -347,7 +349,7 @@ protected: virtual bool isSelected(item_pair_t* item_pair) const; - virtual bool removeItemPair(item_pair_t* item_pair); + virtual bool removeItemPair(item_pair_t* item_pair, bool rearrange); /** * Notify parent about changed size of internal controls with "size_changes" action @@ -411,6 +413,10 @@ private: bool mKeepOneItemSelected; + bool mIsConsecutiveSelection; + + bool mKeepSelectionVisibleOnReshape; + /** All pairs of the list */ pairs_list_t mItemPairs; @@ -444,6 +450,7 @@ private: */ class LLFlatListViewEx : public LLFlatListView { + LOG_CLASS(LLFlatListViewEx); public: struct Params : public LLInitParam::Block<Params, LLFlatListView::Params> { @@ -464,20 +471,49 @@ public: void setNoItemsMsg(const std::string& msg) { mNoItemsMsg = msg; } void setNoFilteredItemsMsg(const std::string& msg) { mNoFilteredItemsMsg = msg; } + bool getForceShowingUnmatchedItems(); + + void setForceShowingUnmatchedItems(bool show); + + /** + * Sets up new filter string and filters the list. + */ + void setFilterSubString(const std::string& filter_str); + + /** + * Filters the list, rearranges and notifies parent about shape changes. + * Derived classes may want to overload rearrangeItems() to exclude repeated separators after filtration. + */ + void filterItems(); + + /** + * Returns true if last call of filterItems() found at least one matching item + */ + bool hasMatchedItems(); + protected: LLFlatListViewEx(const Params& p); /** * Applies a message for empty list depend on passed argument. * - * @param items_filtered - if true message for filtered items will be set, otherwise for - * completely empty list. + * @param filter_string - if is not empty, message for filtered items will be set, otherwise for + * completely empty list. Value of filter string will be passed as search_term in SLURL. */ - void updateNoItemsMessage(bool items_filtered); + void updateNoItemsMessage(const std::string& filter_string); private: std::string mNoFilteredItemsMsg; std::string mNoItemsMsg; + std::string mFilterSubString; + /** + * Show list items that don't match current filter + */ + bool mForceShowingUnmatchedItems; + /** + * True if last call of filterItems() found at least one matching item + */ + bool mHasMatchedItems; }; #endif |