diff options
Diffstat (limited to 'indra/llui/llflatlistview.cpp')
-rw-r--r-- | indra/llui/llflatlistview.cpp | 230 |
1 files changed, 169 insertions, 61 deletions
diff --git a/indra/llui/llflatlistview.cpp b/indra/llui/llflatlistview.cpp index 3694ecd4f4..ec247b25c3 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 @@ -42,8 +42,6 @@ static const LLDefaultChildRegistry::Register<LLFlatListView> flat_list_view("fl const LLSD SELECTED_EVENT = LLSD().with("selected", true); const LLSD UNSELECTED_EVENT = LLSD().with("selected", false); -static const std::string COMMENT_TEXTBOX = "comment_text"; - //forward declaration bool llsds_are_equal(const LLSD& llsd_1, const LLSD& llsd_2); @@ -51,7 +49,8 @@ LLFlatListView::Params::Params() : item_pad("item_pad"), allow_select("allow_select"), multi_select("multi_select"), - keep_one_selected("keep_one_selected") + keep_one_selected("keep_one_selected"), + no_items_text("no_items_text") {}; void LLFlatListView::reshape(S32 width, S32 height, BOOL called_from_parent /* = TRUE */) @@ -244,7 +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; @@ -289,25 +288,12 @@ void LLFlatListView::resetSelection(bool no_commit_on_deselection /*= false*/) onCommit(); } - // Stretch selected items rect to ensure it won't be clipped - mSelectedItemsBorder->setRect(getSelectedItemsRect().stretch(-1)); + // Stretch selected item rect to ensure it won't be clipped + mSelectedItemsBorder->setRect(getLastSelectedItemRect().stretch(-1)); } void LLFlatListView::setNoItemsCommentText(const std::string& comment_text) { - if (NULL == mNoItemsCommentTextbox) - { - LLRect comment_rect = getRect(); - comment_rect.setOriginAndSize(0, 0, comment_rect.getWidth(), comment_rect.getHeight()); - comment_rect.stretch(-getBorderWidth()); - LLTextBox::Params text_p; - text_p.name(COMMENT_TEXTBOX); - text_p.border_visible(false); - text_p.rect(comment_rect); - text_p.follows.flags(FOLLOWS_ALL); - mNoItemsCommentTextbox = LLUICtrlFactory::create<LLTextBox>(text_p, this); - } - mNoItemsCommentTextbox->setValue(comment_text); } @@ -361,7 +347,6 @@ bool LLFlatListView::updateValue(const LLSD& old_value, const LLSD& new_value) // PROTECTED STUFF ////////////////////////////////////////////////////////////////////////// - LLFlatListView::LLFlatListView(const LLFlatListView::Params& p) : LLScrollContainer(p) , mItemComparator(NULL) @@ -393,11 +378,30 @@ LLFlatListView::LLFlatListView(const LLFlatListView::Params& p) LLViewBorder::Params params; params.name("scroll border"); - params.rect(getSelectedItemsRect()); + params.rect(getLastSelectedItemRect()); params.visible(false); params.bevel_style(LLViewBorder::BEVEL_IN); mSelectedItemsBorder = LLUICtrlFactory::create<LLViewBorder> (params); mItemsPanel->addChild( mSelectedItemsBorder ); + + { + // create textbox for "No Items" comment text + LLTextBox::Params text_p = p.no_items_text; + if (!text_p.rect.isProvided()) + { + LLRect comment_rect = getRect(); + comment_rect.setOriginAndSize(0, 0, comment_rect.getWidth(), comment_rect.getHeight()); + comment_rect.stretch(-getBorderWidth()); + text_p.rect(comment_rect); + } + text_p.border_visible(false); + + if (!text_p.follows.isProvided()) + { + text_p.follows.flags(FOLLOWS_ALL); + } + mNoItemsCommentTextbox = LLUICtrlFactory::create<LLTextBox>(text_p, this); + } }; // virtual @@ -480,21 +484,88 @@ void LLFlatListView::rearrangeItems() item_new_top -= (rc.getHeight() + mItemPad); } - // Stretch selected items rect to ensure it won't be clipped - mSelectedItemsBorder->setRect(getSelectedItemsRect().stretch(-1)); + // Stretch selected item rect to ensure it won't be clipped + mSelectedItemsBorder->setRect(getLastSelectedItemRect().stretch(-1)); } void LLFlatListView::onItemMouseClick(item_pair_t* item_pair, MASK mask) { if (!item_pair) return; + if (!item_pair->first) + { + llwarning("Attempt to selet an item pair containing null panel item", 0); + return; + } + setFocus(TRUE); bool select_item = !isSelected(item_pair); //*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; + 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) + { + 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 (select_item) + { + 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; + selectItemPair(pair_to_select, true); + } + + if (!select_item) + { + // Item was already selected but there is a need to update last selected item and its border. + // Do it here to prevent extra mCommitOnSelectionChange in selectItemPair(). + mSelectedItemPairs.remove(item_pair); + mSelectedItemPairs.push_back(item_pair); + mSelectedItemsBorder->setRect(getLastSelectedItemRect().stretch(-1)); + } + return; + } + if (!(mask & MASK_CONTROL) || !mMultipleSelection) resetSelection(); selectItemPair(item_pair, select_item); } @@ -548,15 +619,6 @@ BOOL LLFlatListView::handleKeyHere(KEY key, MASK mask) } break; } - case 'A': - { - if(MASK_CONTROL & mask) - { - selectAll(); - handled = TRUE; - } - break; - } default: break; } @@ -664,8 +726,8 @@ bool LLFlatListView::selectItemPair(item_pair_t* item_pair, bool select) onCommit(); } - // Stretch selected items rect to ensure it won't be clipped - mSelectedItemsBorder->setRect(getSelectedItemsRect().stretch(-1)); + // Stretch selected item rect to ensure it won't be clipped + mSelectedItemsBorder->setRect(getLastSelectedItemRect().stretch(-1)); return true; } @@ -680,31 +742,20 @@ LLRect LLFlatListView::getLastSelectedItemRect() return mSelectedItemPairs.back()->first->getRect(); } -LLRect LLFlatListView::getSelectedItemsRect() -{ - if (!mSelectedItemPairs.size()) - { - return LLRect::null; - } - LLRect rc = getLastSelectedItemRect(); - for ( pairs_const_iterator_t - it = mSelectedItemPairs.begin(), - it_end = mSelectedItemPairs.end(); - it != it_end; ++it ) - { - rc.unionWith((*it)->first->getRect()); - } - return rc; -} - void LLFlatListView::selectFirstItem () { + // No items - no actions! + if (mItemPairs.empty()) return; + selectItemPair(mItemPairs.front(), true); ensureSelectedVisible(); } void LLFlatListView::selectLastItem () { + // No items - no actions! + if (mItemPairs.empty()) return; + selectItemPair(mItemPairs.back(), true); ensureSelectedVisible(); } @@ -798,10 +849,15 @@ bool LLFlatListView::selectNextItemPair(bool is_up_direction, bool reset_selecti return false; } -bool LLFlatListView::selectAll() +BOOL LLFlatListView::canSelectAll() const { - if (!mAllowSelection) - return false; + return !mItemPairs.empty() && mAllowSelection && mMultipleSelection; +} + +void LLFlatListView::selectAll() +{ + if (!mAllowSelection || !mMultipleSelection) + return; mSelectedItemPairs.clear(); @@ -819,10 +875,8 @@ bool LLFlatListView::selectAll() onCommit(); } - // Stretch selected items rect to ensure it won't be clipped - mSelectedItemsBorder->setRect(getSelectedItemsRect().stretch(-1)); - - return true; + // Stretch selected item rect to ensure it won't be clipped + mSelectedItemsBorder->setRect(getLastSelectedItemRect().stretch(-1)); } bool LLFlatListView::isSelected(item_pair_t* item_pair) const @@ -878,7 +932,11 @@ void LLFlatListView::notifyParentItemsRectChanged() // take into account comment text height if exists if (mNoItemsCommentTextbox && mNoItemsCommentTextbox->getVisible()) { + // top text padding inside the textbox is included into the height comment_height = mNoItemsCommentTextbox->getTextPixelHeight(); + + // take into account a distance from parent's top border to textbox's top + comment_height += getRect().getHeight() - mNoItemsCommentTextbox->getRect().mTop; } LLRect req_rect = getItemsRect(); @@ -909,6 +967,10 @@ void LLFlatListView::setNoItemsCommentVisible(bool visible) const { if (visible) { +/* +// *NOTE: MA 2010-02-04 +// Deprecated after params of the comment text box were moved into widget (flat_list_view.xml) +// can be removed later if nothing happened. // We have to update child rect here because of issues with rect after reshaping while creating LLTextbox // It is possible to have invalid LLRect if Flat List is in LLAccordionTab LLRect comment_rect = getLocalRect(); @@ -920,6 +982,7 @@ void LLFlatListView::setNoItemsCommentVisible(bool visible) const LLViewBorder* scroll_border = getChild<LLViewBorder>("scroll border"); comment_rect.stretch(-scroll_border->getBorderWidth()); mNoItemsCommentTextbox->setRect(comment_rect); +*/ } mNoItemsCommentTextbox->setVisible(visible); } @@ -951,11 +1014,17 @@ 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 @@ -1059,4 +1128,43 @@ 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); + } + +} + //EOF |