diff options
Diffstat (limited to 'indra/llui/llflatlistview.cpp')
| -rwxr-xr-x[-rw-r--r--] | indra/llui/llflatlistview.cpp | 814 |
1 files changed, 747 insertions, 67 deletions
diff --git a/indra/llui/llflatlistview.cpp b/indra/llui/llflatlistview.cpp index bba5464b00..299f5e42d4 100644..100755 --- a/indra/llui/llflatlistview.cpp +++ b/indra/llui/llflatlistview.cpp @@ -1,32 +1,26 @@ /** * @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. - * + * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * 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 * $/LicenseInfo$ */ @@ -39,10 +33,8 @@ static const LLDefaultChildRegistry::Register<LLFlatListView> flat_list_view("flat_list_view"); -const LLSD SELECTED_EVENT = LLSD().insert("selected", true); -const LLSD UNSELECTED_EVENT = LLSD().insert("selected", false); - -static const std::string COMMENT_TEXTBOX = "comment_text"; +const LLSD SELECTED_EVENT = LLSD().with("selected", true); +const LLSD UNSELECTED_EVENT = LLSD().with("selected", false); //forward declaration bool llsds_are_equal(const LLSD& llsd_1, const LLSD& llsd_2); @@ -51,14 +43,22 @@ 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"), + keep_selection_visible_on_reshape("keep_selection_visible_on_reshape",false), + no_items_text("no_items_text") {}; void LLFlatListView::reshape(S32 width, S32 height, BOOL called_from_parent /* = TRUE */) { + S32 delta = height - getRect().getHeight(); LLScrollContainer::reshape(width, height, called_from_parent); setItemsNoScrollWidth(width); rearrangeItems(); + + if(delta!= 0 && mKeepSelectionVisibleOnReshape) + { + ensureSelectedVisible(); + } } const LLRect& LLFlatListView::getItemsRect() const @@ -66,7 +66,7 @@ const LLRect& LLFlatListView::getItemsRect() const return mItemsPanel->getRect(); } -bool LLFlatListView::addItem(LLPanel * item, const LLSD& value /*= LLUUID::null*/, EAddPosition pos /*= ADD_BOTTOM*/) +bool LLFlatListView::addItem(LLPanel * item, const LLSD& value /*= LLUUID::null*/, EAddPosition pos /*= ADD_BOTTOM*/,bool rearrange /*= true*/) { if (!item) return false; if (value.isUndefined()) return false; @@ -92,10 +92,16 @@ bool LLFlatListView::addItem(LLPanel * item, const LLSD& value /*= LLUUID::null* //_4 is for MASK item->setMouseDownCallback(boost::bind(&LLFlatListView::onItemMouseClick, this, new_pair, _4)); - item->setRightMouseDownCallback(boost::bind(&LLFlatListView::onItemMouseClick, this, new_pair, _4)); + item->setRightMouseDownCallback(boost::bind(&LLFlatListView::onItemRightMouseClick, this, new_pair, _4)); - rearrangeItems(); - notifyParentItemsRectChanged(); + // Children don't accept the focus + item->setTabStop(false); + + if (rearrange) + { + rearrangeItems(); + notifyParentItemsRectChanged(); + } return true; } @@ -137,7 +143,7 @@ bool LLFlatListView::insertItemAfter(LLPanel* after_item, LLPanel* item_to_add, //_4 is for MASK item_to_add->setMouseDownCallback(boost::bind(&LLFlatListView::onItemMouseClick, this, new_pair, _4)); - item_to_add->setRightMouseDownCallback(boost::bind(&LLFlatListView::onItemMouseClick, this, new_pair, _4)); + item_to_add->setRightMouseDownCallback(boost::bind(&LLFlatListView::onItemRightMouseClick, this, new_pair, _4)); rearrangeItems(); notifyParentItemsRectChanged(); @@ -145,7 +151,7 @@ bool LLFlatListView::insertItemAfter(LLPanel* after_item, LLPanel* item_to_add, } -bool LLFlatListView::removeItem(LLPanel* item) +bool LLFlatListView::removeItem(LLPanel* item, bool rearrange) { if (!item) return false; if (item->getParent() != mItemsPanel) return false; @@ -153,22 +159,22 @@ bool LLFlatListView::removeItem(LLPanel* item) item_pair_t* item_pair = getItemPair(item); if (!item_pair) return false; - return removeItemPair(item_pair); + return removeItemPair(item_pair, rearrange); } -bool LLFlatListView::removeItemByValue(const LLSD& value) +bool LLFlatListView::removeItemByValue(const LLSD& value, bool rearrange) { if (value.isUndefined()) return false; item_pair_t* item_pair = getItemPair(value); if (!item_pair) return false; - return removeItemPair(item_pair); + return removeItemPair(item_pair, rearrange); } -bool LLFlatListView::removeItemByUUID(const LLUUID& uuid) +bool LLFlatListView::removeItemByUUID(const LLUUID& uuid, bool rearrange) { - return removeItemByValue(LLSD(uuid)); + return removeItemByValue(LLSD(uuid), rearrange); } LLPanel* LLFlatListView::getItemByValue(const LLSD& value) const @@ -238,7 +244,7 @@ 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; @@ -282,28 +288,42 @@ void LLFlatListView::resetSelection(bool no_commit_on_deselection /*= false*/) { onCommit(); } + + // 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) + mNoItemsCommentTextbox->setValue(comment_text); +} + +U32 LLFlatListView::size(const bool only_visible_items) const +{ + if (only_visible_items) { - 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); + 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(); } - - mNoItemsCommentTextbox->setValue(comment_text); } void LLFlatListView::clear() { + // This will clear mSelectedItemPairs, calling all appropriate callbacks. + resetSelection(); + // do not use LLView::deleteAllChildren to avoid removing nonvisible items. drag-n-drop for ex. for (pairs_iterator_t it = mItemPairs.begin(); it != mItemPairs.end(); ++it) { @@ -312,7 +332,6 @@ void LLFlatListView::clear() delete *it; } mItemPairs.clear(); - mSelectedItemPairs.clear(); // also set items panel height to zero. Reshape it to allow reshaping of non-item children LLRect rc = mItemsPanel->getRect(); @@ -328,7 +347,7 @@ void LLFlatListView::sort() { if (!mItemComparator) { - llwarns << "No comparator specified for sorting FlatListView items." << llendl; + LL_WARNS() << "No comparator specified for sorting FlatListView items." << LL_ENDL; return; } @@ -352,7 +371,6 @@ bool LLFlatListView::updateValue(const LLSD& old_value, const LLSD& new_value) // PROTECTED STUFF ////////////////////////////////////////////////////////////////////////// - LLFlatListView::LLFlatListView(const LLFlatListView::Params& p) : LLScrollContainer(p) , mItemComparator(NULL) @@ -364,6 +382,8 @@ LLFlatListView::LLFlatListView(const LLFlatListView::Params& p) , mCommitOnSelectionChange(false) , mPrevNotifyParentRect(LLRect()) , mNoItemsCommentTextbox(NULL) + , mIsConsecutiveSelection(false) + , mKeepSelectionVisibleOnReshape(p.keep_selection_visible_on_reshape) { mBorderThickness = getBorderWidth(); @@ -381,13 +401,58 @@ LLFlatListView::LLFlatListView(const LLFlatListView::Params& p) //we don't need to stretch in vertical direction on reshaping by a parent //no bottom following! mItemsPanel->setFollows(FOLLOWS_LEFT | FOLLOWS_RIGHT | FOLLOWS_TOP); + + LLViewBorder::Params params; + params.name("scroll border"); + 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 +void LLFlatListView::draw() +{ + // Highlight border if a child of this container has keyboard focus + if( mSelectedItemsBorder->getVisible() ) + { + mSelectedItemsBorder->setKeyboardFocusHighlight( hasFocus() ); + } + LLScrollContainer::draw(); +} + +// virtual +BOOL LLFlatListView::postBuild() +{ + setTabStop(true); + return LLScrollContainer::postBuild(); +} + void LLFlatListView::rearrangeItems() { static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0); - setNoItemsCommentVisible(mItemPairs.empty()); + setNoItemsCommentVisible(0==size()); if (mItemPairs.empty()) return; @@ -444,19 +509,194 @@ void LLFlatListView::rearrangeItems() // move top for next item in list item_new_top -= (rc.getHeight() + mItemPad); } + + // 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) + { + LL_WARNS() << "Attempt to selet an item pair containing null panel item" << LL_ENDL; + 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_CONTROL) || !mMultipleSelection) resetSelection(); + + 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; + } + + //no need to do additional commit on selection reset + if (!(mask & MASK_CONTROL) || !mMultipleSelection) resetSelection(true); + + //only CTRL usage allows to deselect an item, usual clicking on an item cannot deselect it + if (mask & MASK_CONTROL) selectItemPair(item_pair, select_item); + else + selectItemPair(item_pair, true); +} + +void LLFlatListView::onItemRightMouseClick(item_pair_t* item_pair, MASK mask) +{ + if (!item_pair) + return; + + // Forbid deselecting of items on right mouse button click if mMultipleSelection flag is set on, + // because some of derived classes may have context menu and selected items must be kept. + if ( !(mask & MASK_CONTROL) && mMultipleSelection && isSelected(item_pair) ) + return; + + // else got same behavior as at onItemMouseClick + onItemMouseClick(item_pair, mask); +} + +BOOL LLFlatListView::handleKeyHere(KEY key, MASK mask) +{ + BOOL reset_selection = (mask != MASK_SHIFT); + BOOL handled = FALSE; + switch (key) + { + case KEY_RETURN: + { + if (mSelectedItemPairs.size() && mask == MASK_NONE) + { + mOnReturnSignal(this, getValue()); + handled = TRUE; + } + break; + } + case KEY_UP: + { + if ( !selectNextItemPair(true, reset_selection) && reset_selection) + { + // If case we are in accordion tab notify parent to go to the previous accordion + if(notifyParent(LLSD().with("action","select_prev")) > 0 )//message was processed + resetSelection(); + } + break; + } + case KEY_DOWN: + { + if ( !selectNextItemPair(false, reset_selection) && reset_selection) + { + // If case we are in accordion tab notify parent to go to the next accordion + if( notifyParent(LLSD().with("action","select_next")) > 0 ) //message was processed + resetSelection(); + } + break; + } + case KEY_ESCAPE: + { + if (mask == MASK_NONE) + { + setFocus(FALSE); // pass focus to the game area (EXT-8357) + } + break; + } + default: + break; + } + + if ( ( key == KEY_UP || key == KEY_DOWN ) && mSelectedItemPairs.size() ) + { + ensureSelectedVisible(); + /* + LLRect visible_rc = getVisibleContentRect(); + LLRect selected_rc = getLastSelectedItemRect(); + + if ( !visible_rc.contains (selected_rc) ) + { + // But scroll in Items panel coordinates + scrollToShowRect(selected_rc); + } + + // In case we are in accordion tab notify parent to show selected rectangle + LLRect screen_rc; + localRectToScreen(selected_rc, &screen_rc); + notifyParent(LLSD().with("scrollToShowRect",screen_rc.getValue()));*/ + + handled = TRUE; + } + + return handled ? handled : LLScrollContainer::handleKeyHere(key, mask); } LLFlatListView::item_pair_t* LLFlatListView::getItemPair(LLPanel* item) const @@ -538,9 +778,212 @@ bool LLFlatListView::selectItemPair(item_pair_t* item_pair, bool select) onCommit(); } + // 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; } +void LLFlatListView::scrollToShowFirstSelectedItem() +{ + if (!mSelectedItemPairs.size()) return; + + LLRect selected_rc = mSelectedItemPairs.front()->first->getRect(); + + if (selected_rc.isValid()) + { + scrollToShowRect(selected_rc); + } +} + +LLRect LLFlatListView::getLastSelectedItemRect() +{ + if (!mSelectedItemPairs.size()) + { + return LLRect::null; + } + + return mSelectedItemPairs.back()->first->getRect(); +} + +void LLFlatListView::selectFirstItem () +{ + // 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 () +{ + // 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() +{ + LLRect selected_rc = getLastSelectedItemRect(); + + if ( selected_rc.isValid() ) + { + scrollToShowRect(selected_rc); + } +} + + +// virtual +bool LLFlatListView::selectNextItemPair(bool is_up_direction, bool reset_selection) +{ + // No items - no actions! + if ( 0 == size() ) + return false; + + 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 + if ( is_up_direction ) + { + // Find current selected item position in mItemPairs list + pairs_list_t::reverse_iterator sel_it = std::find(mItemPairs.rbegin(), mItemPairs.rend(), cur_sel_pair); + + for (;++sel_it != mItemPairs.rend();) + { + // skip invisible items + if ( (*sel_it)->first->getVisible() ) + { + to_sel_pair = *sel_it; + break; + } + } + } + else + { + // Find current selected item position in mItemPairs list + pairs_list_t::iterator sel_it = std::find(mItemPairs.begin(), mItemPairs.end(), cur_sel_pair); + + for (;++sel_it != mItemPairs.end();) + { + // skip invisible items + if ( (*sel_it)->first->getVisible() ) + { + to_sel_pair = *sel_it; + break; + } + } + } + + 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 + // Force selection to first item + if (is_up_direction) + selectLastItem(); + else + selectFirstItem(); + // Mark it as consecutive selection + mIsConsecutiveSelection = true; + return true; + } + + return false; +} + +BOOL LLFlatListView::canSelectAll() const +{ + return 0 != size() && mAllowSelection && mMultipleSelection; +} + +void LLFlatListView::selectAll() +{ + if (!mAllowSelection || !mMultipleSelection) + return; + + mSelectedItemPairs.clear(); + + for (pairs_const_iterator_t it= mItemPairs.begin(); it != mItemPairs.end(); ++it) + { + item_pair_t* item_pair = *it; + mSelectedItemPairs.push_back(item_pair); + //a way of notifying panel of selection state changes + LLPanel* item = item_pair->first; + item->setValue(SELECTED_EVENT); + } + + if (mCommitOnSelectionChange) + { + onCommit(); + } + + // 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 { llassert(item_pair); @@ -549,11 +992,12 @@ bool LLFlatListView::isSelected(item_pair_t* item_pair) const return std::find(mSelectedItemPairs.begin(), it_end, item_pair) != it_end; } -bool LLFlatListView::removeItemPair(item_pair_t* item_pair) +bool LLFlatListView::removeItemPair(item_pair_t* item_pair, bool rearrange) { llassert(item_pair); bool deleted = false; + bool selection_changed = false; for (pairs_iterator_t it = mItemPairs.begin(); it != mItemPairs.end(); ++it) { item_pair_t* _item_pair = *it; @@ -573,6 +1017,7 @@ bool LLFlatListView::removeItemPair(item_pair_t* item_pair) if (selected_item_pair == item_pair) { it = mSelectedItemPairs.erase(it); + selection_changed = true; break; } } @@ -581,8 +1026,16 @@ bool LLFlatListView::removeItemPair(item_pair_t* item_pair) item_pair->first->die(); delete item_pair; + if (rearrange) + { rearrangeItems(); notifyParentItemsRectChanged(); + } + + if (selection_changed && mCommitOnSelectionChange) + { + onCommit(); + } return true; } @@ -594,7 +1047,11 @@ 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(); @@ -615,21 +1072,15 @@ void LLFlatListView::notifyParentItemsRectChanged() params["width"] = req_rect.getWidth(); params["height"] = req_rect.getHeight(); - getParent()->notifyParent(params); + if (getParent()) // dummy widgets don't have a parent + getParent()->notifyParent(params); } void LLFlatListView::setNoItemsCommentVisible(bool visible) const { if (mNoItemsCommentTextbox) { - if (visible) - { - // 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(); - comment_rect.stretch(-getBorderWidth()); - mNoItemsCommentTextbox->setRect(comment_rect); - } + mSelectedItemsBorder->setVisible(!visible); mNoItemsCommentTextbox->setVisible(visible); } } @@ -656,4 +1107,233 @@ void LLFlatListView::getValues(std::vector<LLSD>& values) const } } +// virtual +void LLFlatListView::onFocusReceived() +{ + if (size()) + { + mSelectedItemsBorder->setVisible(TRUE); + } + gEditMenuHandler = this; +} +// virtual +void LLFlatListView::onFocusLost() +{ + mSelectedItemsBorder->setVisible(FALSE); + // Route menu back to the default + if( gEditMenuHandler == this ) + { + gEditMenuHandler = NULL; + } +} + +//virtual +S32 LLFlatListView::notify(const LLSD& info) +{ + if(info.has("action")) + { + std::string str_action = info["action"]; + if(str_action == "select_first") + { + setFocus(true); + selectFirstItem(); + return 1; + } + else if(str_action == "select_last") + { + setFocus(true); + selectLastItem(); + return 1; + } + } + else if (info.has("rearrange")) + { + rearrangeItems(); + notifyParentItemsRectChanged(); + return 1; + } + return 0; +} + +void LLFlatListView::detachItems(std::vector<LLPanel*>& detached_items) +{ + LLSD action; + action.with("detach", LLSD()); + // Clear detached_items list + detached_items.clear(); + // Go through items and detach valid items, remove them from items panel + // and add to detached_items. + for (pairs_iterator_t + iter = mItemPairs.begin(), + iter_end = mItemPairs.end(); + iter != iter_end; ++iter) + { + LLPanel* pItem = (*iter)->first; + if (1 == pItem->notify(action)) + { + selectItemPair((*iter), false); + mItemsPanel->removeChild(pItem); + detached_items.push_back(pItem); + } + } + if (!detached_items.empty()) + { + // Some items were detached, clean ourself from unusable memory + if (detached_items.size() == mItemPairs.size()) + { + // This way will be faster if all items were disconnected + for (pairs_iterator_t + iter = mItemPairs.begin(), + iter_end = mItemPairs.end(); + iter != iter_end; ++iter) + { + (*iter)->first = NULL; + delete *iter; + } + mItemPairs.clear(); + // Also set items panel height to zero. + // Reshape it to allow reshaping of non-item children. + LLRect rc = mItemsPanel->getRect(); + rc.mBottom = rc.mTop; + mItemsPanel->reshape(rc.getWidth(), rc.getHeight()); + mItemsPanel->setRect(rc); + setNoItemsCommentVisible(true); + } + else + { + for (std::vector<LLPanel*>::const_iterator + detached_iter = detached_items.begin(), + detached_iter_end = detached_items.end(); + detached_iter != detached_iter_end; ++detached_iter) + { + LLPanel* pDetachedItem = *detached_iter; + for (pairs_iterator_t + iter = mItemPairs.begin(), + iter_end = mItemPairs.end(); + iter != iter_end; ++iter) + { + item_pair_t* item_pair = *iter; + if (item_pair->first == pDetachedItem) + { + mItemPairs.erase(iter); + item_pair->first = NULL; + delete item_pair; + break; + } + } + } + rearrangeItems(); + } + notifyParentItemsRectChanged(); + } +} + + +/************************************************************************/ +/* 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) +, mForceShowingUnmatchedItems(false) +, mHasMatchedItems(false) +{ + +} + +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); + } + +} + +bool LLFlatListViewEx::getForceShowingUnmatchedItems() +{ + return mForceShowingUnmatchedItems; +} + +void LLFlatListViewEx::setForceShowingUnmatchedItems(bool show) +{ + mForceShowingUnmatchedItems = show; +} + +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); + + mHasMatchedItems = false; + 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)) + { + mHasMatchedItems = true; + pItem->setVisible(true); + } + else + { + // TODO: implement (re)storing of current selection. + if(!mForceShowingUnmatchedItems) + { + selectItem(pItem, false); + } + pItem->setVisible(mForceShowingUnmatchedItems); + } + } + + sort(); + notifyParentItemsRectChanged(); +} + +bool LLFlatListViewEx::hasMatchedItems() +{ + return mHasMatchedItems; +} + //EOF |