diff options
Diffstat (limited to 'indra/llui/llflatlistview.cpp')
| -rw-r--r-- | indra/llui/llflatlistview.cpp | 326 |
1 files changed, 277 insertions, 49 deletions
diff --git a/indra/llui/llflatlistview.cpp b/indra/llui/llflatlistview.cpp index 2e5aeec41d..6bd16c9ee6 100644 --- a/indra/llui/llflatlistview.cpp +++ b/indra/llui/llflatlistview.cpp @@ -1,10 +1,10 @@ /** * @file llflatlistview.cpp - * @brief LLFlatListView base class + * @brief LLFlatListView base class and extension to support messages for several cases of an empty list. * * $LicenseInfo:firstyear=2009&license=viewergpl$ * - * Copyright (c) 2009, Linden Research, Inc. + * Copyright (c) 2009-2010, Linden Research, Inc. * * Second Life Viewer Source Code * The source code in this file ("Source Code") is provided by Linden Lab @@ -243,7 +243,7 @@ LLUUID LLFlatListView::getSelectedUUID() const } } -void LLFlatListView::getSelectedUUIDs(std::vector<LLUUID>& selected_uuids) const +void LLFlatListView::getSelectedUUIDs(uuid_vec_t& selected_uuids) const { if (mSelectedItemPairs.empty()) return; @@ -297,6 +297,27 @@ void LLFlatListView::setNoItemsCommentText(const std::string& comment_text) mNoItemsCommentTextbox->setValue(comment_text); } +U32 LLFlatListView::size(const bool only_visible_items) const +{ + if (only_visible_items) + { + U32 size = 0; + for (pairs_const_iterator_t + iter = mItemPairs.begin(), + iter_end = mItemPairs.end(); + iter != iter_end; ++iter) + { + if ((*iter)->first->getVisible()) + ++size; + } + return size; + } + else + { + return mItemPairs.size(); + } +} + void LLFlatListView::clear() { // do not use LLView::deleteAllChildren to avoid removing nonvisible items. drag-n-drop for ex. @@ -358,6 +379,7 @@ LLFlatListView::LLFlatListView(const LLFlatListView::Params& p) , mCommitOnSelectionChange(false) , mPrevNotifyParentRect(LLRect()) , mNoItemsCommentTextbox(NULL) + , mIsConsecutiveSelection(false) { mBorderThickness = getBorderWidth(); @@ -426,7 +448,7 @@ void LLFlatListView::rearrangeItems() { static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0); - setNoItemsCommentVisible(mItemPairs.empty()); + setNoItemsCommentVisible(0==size()); if (mItemPairs.empty()) return; @@ -504,7 +526,80 @@ void LLFlatListView::onItemMouseClick(item_pair_t* item_pair, MASK mask) //*TODO find a better place for that enforcing stuff if (mKeepOneItemSelected && numSelected() == 1 && !select_item) return; - + + if ( (mask & MASK_SHIFT) && !(mask & MASK_CONTROL) + && mMultipleSelection && !mSelectedItemPairs.empty() ) + { + item_pair_t* last_selected_pair = mSelectedItemPairs.back(); + + // If item_pair is already selected - do nothing + if (last_selected_pair == item_pair) + return; + + bool grab_items = false; + bool reverse = false; + pairs_list_t pairs_to_select; + + // Pick out items from list between last selected and current clicked item_pair. + for (pairs_iterator_t + iter = mItemPairs.begin(), + iter_end = mItemPairs.end(); + iter != iter_end; ++iter) + { + item_pair_t* cur = *iter; + if (cur == last_selected_pair || cur == item_pair) + { + // We've got reverse selection if last grabed item isn't a new selection. + reverse = grab_items && (cur != item_pair); + grab_items = !grab_items; + // Skip last selected and current clicked item pairs. + continue; + } + if (!cur->first->getVisible()) + { + // Skip invisible item pairs. + continue; + } + if (grab_items) + { + pairs_to_select.push_back(cur); + } + } + + if (reverse) + { + pairs_to_select.reverse(); + } + + pairs_to_select.push_back(item_pair); + + for (pairs_iterator_t + iter = pairs_to_select.begin(), + iter_end = pairs_to_select.end(); + iter != iter_end; ++iter) + { + item_pair_t* pair_to_select = *iter; + if (isSelected(pair_to_select)) + { + // Item was already selected but there is a need to keep order from last selected pair to new selection. + // Do it here to prevent extra mCommitOnSelectionChange in selectItemPair(). + mSelectedItemPairs.remove(pair_to_select); + mSelectedItemPairs.push_back(pair_to_select); + } + else + { + selectItemPair(pair_to_select, true); + } + } + + if (!select_item) + { + // Update last selected item border. + mSelectedItemsBorder->setRect(getLastSelectedItemRect().stretch(-1)); + } + return; + } + if (!(mask & MASK_CONTROL) || !mMultipleSelection) resetSelection(); selectItemPair(item_pair, select_item); } @@ -558,15 +653,6 @@ BOOL LLFlatListView::handleKeyHere(KEY key, MASK mask) } break; } - case 'A': - { - if(MASK_CONTROL & mask) - { - selectAll(); - handled = TRUE; - } - break; - } default: break; } @@ -676,6 +762,8 @@ bool LLFlatListView::selectItemPair(item_pair_t* item_pair, bool select) // Stretch selected item rect to ensure it won't be clipped mSelectedItemsBorder->setRect(getLastSelectedItemRect().stretch(-1)); + // By default mark it as not consecutive selection + mIsConsecutiveSelection = false; return true; } @@ -692,14 +780,44 @@ LLRect LLFlatListView::getLastSelectedItemRect() void LLFlatListView::selectFirstItem () { - selectItemPair(mItemPairs.front(), true); - ensureSelectedVisible(); + // No items - no actions! + if (0 == size()) return; + + // Select first visible item + for (pairs_iterator_t + iter = mItemPairs.begin(), + iter_end = mItemPairs.end(); + iter != iter_end; ++iter) + { + // skip invisible items + if ( (*iter)->first->getVisible() ) + { + selectItemPair(*iter, true); + ensureSelectedVisible(); + break; + } + } } void LLFlatListView::selectLastItem () { - selectItemPair(mItemPairs.back(), true); - ensureSelectedVisible(); + // No items - no actions! + if (0 == size()) return; + + // Select last visible item + for (pairs_list_t::reverse_iterator + r_iter = mItemPairs.rbegin(), + r_iter_end = mItemPairs.rend(); + r_iter != r_iter_end; ++r_iter) + { + // skip invisible items + if ( (*r_iter)->first->getVisible() ) + { + selectItemPair(*r_iter, true); + ensureSelectedVisible(); + break; + } + } } void LLFlatListView::ensureSelectedVisible() @@ -717,14 +835,25 @@ void LLFlatListView::ensureSelectedVisible() bool LLFlatListView::selectNextItemPair(bool is_up_direction, bool reset_selection) { // No items - no actions! - if ( !mItemPairs.size() ) + if ( 0 == size() ) return false; - - item_pair_t* to_sel_pair = NULL; - item_pair_t* cur_sel_pair = NULL; + if (!mIsConsecutiveSelection) + { + // Leave only one item selected if list has not consecutive selection + if (mSelectedItemPairs.size() && !reset_selection) + { + item_pair_t* cur_sel_pair = mSelectedItemPairs.back(); + resetSelection(); + selectItemPair (cur_sel_pair, true); + } + } + if ( mSelectedItemPairs.size() ) { + item_pair_t* to_sel_pair = NULL; + item_pair_t* cur_sel_pair = NULL; + // Take the last selected pair cur_sel_pair = mSelectedItemPairs.back(); // Bases on given direction choose next item to select @@ -758,43 +887,52 @@ bool LLFlatListView::selectNextItemPair(bool is_up_direction, bool reset_selecti } } } + + if ( to_sel_pair ) + { + bool select = true; + if ( reset_selection ) + { + // Reset current selection if we were asked about it + resetSelection(); + } + else + { + // If item already selected and no reset request than we should deselect last selected item. + select = (mSelectedItemPairs.end() == std::find(mSelectedItemPairs.begin(), mSelectedItemPairs.end(), to_sel_pair)); + } + // Select/Deselect next item + selectItemPair(select ? to_sel_pair : cur_sel_pair, select); + // Mark it as consecutive selection + mIsConsecutiveSelection = true; + return true; + } } else { // If there weren't selected items then choose the first one bases on given direction - cur_sel_pair = (is_up_direction) ? mItemPairs.back() : mItemPairs.front(); // Force selection to first item - to_sel_pair = cur_sel_pair; - } - - - if ( to_sel_pair ) - { - bool select = true; - - if ( reset_selection ) - { - // Reset current selection if we were asked about it - resetSelection(); - } + if (is_up_direction) + selectLastItem(); else - { - // If item already selected and no reset request than we should deselect last selected item. - select = (mSelectedItemPairs.end() == std::find(mSelectedItemPairs.begin(), mSelectedItemPairs.end(), to_sel_pair)); - } - - // Select/Deselect next item - selectItemPair(select ? to_sel_pair : cur_sel_pair, select); - + selectFirstItem(); + // Mark it as consecutive selection + mIsConsecutiveSelection = true; return true; } + return false; } -bool LLFlatListView::selectAll() +BOOL LLFlatListView::canSelectAll() const { - if (!mAllowSelection) - return false; + return 0 != size() && mAllowSelection && mMultipleSelection; +} + +void LLFlatListView::selectAll() +{ + if (!mAllowSelection || !mMultipleSelection) + return; mSelectedItemPairs.clear(); @@ -814,8 +952,6 @@ bool LLFlatListView::selectAll() // Stretch selected item rect to ensure it won't be clipped mSelectedItemsBorder->setRect(getLastSelectedItemRect().stretch(-1)); - - return true; } bool LLFlatListView::isSelected(item_pair_t* item_pair) const @@ -953,11 +1089,17 @@ void LLFlatListView::getValues(std::vector<LLSD>& values) const void LLFlatListView::onFocusReceived() { mSelectedItemsBorder->setVisible(TRUE); + gEditMenuHandler = this; } // virtual void LLFlatListView::onFocusLost() { mSelectedItemsBorder->setVisible(FALSE); + // Route menu back to the default + if( gEditMenuHandler == this ) + { + gEditMenuHandler = NULL; + } } //virtual @@ -1061,4 +1203,90 @@ void LLFlatListView::detachItems(std::vector<LLPanel*>& detached_items) } } + +/************************************************************************/ +/* LLFlatListViewEx implementation */ +/************************************************************************/ +LLFlatListViewEx::Params::Params() +: no_items_msg("no_items_msg") +, no_filtered_items_msg("no_filtered_items_msg") +{ + +} + +LLFlatListViewEx::LLFlatListViewEx(const Params& p) +: LLFlatListView(p) +, mNoFilteredItemsMsg(p.no_filtered_items_msg) +, mNoItemsMsg(p.no_items_msg) +{ + +} + +void LLFlatListViewEx::updateNoItemsMessage(const std::string& filter_string) +{ + bool items_filtered = !filter_string.empty(); + if (items_filtered) + { + // items were filtered + LLStringUtil::format_map_t args; + args["[SEARCH_TERM]"] = LLURI::escape(filter_string); + std::string text = mNoFilteredItemsMsg; + LLStringUtil::format(text, args); + setNoItemsCommentText(text); + } + else + { + // list does not contain any items at all + setNoItemsCommentText(mNoItemsMsg); + } + +} + +void LLFlatListViewEx::setFilterSubString(const std::string& filter_str) +{ + if (0 != LLStringUtil::compareInsensitive(filter_str, mFilterSubString)) + { + mFilterSubString = filter_str; + updateNoItemsMessage(mFilterSubString); + filterItems(); + } +} + +void LLFlatListViewEx::filterItems() +{ + typedef std::vector <LLPanel*> item_panel_list_t; + + std::string cur_filter = mFilterSubString; + LLStringUtil::toUpper(cur_filter); + + LLSD action; + action.with("match_filter", cur_filter); + + item_panel_list_t items; + getItems(items); + + for (item_panel_list_t::iterator + iter = items.begin(), + iter_end = items.end(); + iter != iter_end; ++iter) + { + LLPanel* pItem = (*iter); + // 0 signifies that filter is matched, + // i.e. we don't hide items that don't support 'match_filter' action, separators etc. + if (0 == pItem->notify(action)) + { + pItem->setVisible(true); + } + else + { + // TODO: implement (re)storing of current selection. + selectItem(pItem, false); + pItem->setVisible(false); + } + } + + rearrangeItems(); + notifyParentItemsRectChanged(); +} + //EOF |