diff options
Diffstat (limited to 'indra/newview/llfolderviewitem.cpp')
| -rw-r--r-- | indra/newview/llfolderviewitem.cpp | 178 |
1 files changed, 126 insertions, 52 deletions
diff --git a/indra/newview/llfolderviewitem.cpp b/indra/newview/llfolderviewitem.cpp index 50b35bfc69..3c36248c1f 100644 --- a/indra/newview/llfolderviewitem.cpp +++ b/indra/newview/llfolderviewitem.cpp @@ -2,31 +2,25 @@ * @file llfolderviewitem.cpp * @brief Items and folders that can appear in a hierarchical folder view * -* $LicenseInfo:firstyear=2001&license=viewergpl$ -* -* Copyright (c) 2001-2009, Linden Research, Inc. -* +* $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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. * -* 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 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. * -* 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. +* 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. * -* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO -* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, -* COMPLETENESS OR PERFORMANCE. +* 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 +* +* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #include "llviewerprecompiledheaders.h" @@ -495,27 +489,34 @@ void LLFolderViewItem::dirtyFilter() // together. BOOL LLFolderViewItem::setSelection(LLFolderViewItem* selection, BOOL openitem, BOOL take_keyboard_focus) { - if( selection == this ) + if (selection == this && !mIsSelected) { - mIsSelected = TRUE; - if(mListener) + selectItem(); + if (mListener) { mListener->selectItem(); } } - else + else if (mIsSelected) // Deselect everything else. { - mIsSelected = FALSE; + deselectItem(); } return mIsSelected; } BOOL LLFolderViewItem::changeSelection(LLFolderViewItem* selection, BOOL selected) { - if(selection == this && mIsSelected != selected) + if (selection == this && mIsSelected != selected) { - mIsSelected = selected; - if(mListener) + if (mIsSelected) + { + deselectItem(); + } + else + { + selectItem(); + } + if (mListener) { mListener->selectItem(); } @@ -524,6 +525,33 @@ BOOL LLFolderViewItem::changeSelection(LLFolderViewItem* selection, BOOL selecte return FALSE; } +void LLFolderViewItem::deselectItem(void) +{ + llassert(mIsSelected); + + mIsSelected = FALSE; + + // Update ancestors' count of selected descendents. + LLFolderViewFolder* parent_folder = getParentFolder(); + if (parent_folder) + { + parent_folder->recursiveIncrementNumDescendantsSelected(-1); + } +} + +void LLFolderViewItem::selectItem(void) +{ + llassert(!mIsSelected); + + mIsSelected = TRUE; + + // Update ancestors' count of selected descendents. + LLFolderViewFolder* parent_folder = getParentFolder(); + if (parent_folder) + { + parent_folder->recursiveIncrementNumDescendantsSelected(1); + } +} BOOL LLFolderViewItem::isMovable() { @@ -1079,6 +1107,7 @@ void LLFolderViewItem::draw() LLFolderViewFolder::LLFolderViewFolder( const LLFolderViewItem::Params& p ): LLFolderViewItem( p ), // 0 = no create time + mNumDescendantsSelected(0), mIsOpen(FALSE), mExpanderHighlighted(FALSE), mCurHeight(0.f), @@ -1464,16 +1493,34 @@ BOOL LLFolderViewFolder::hasFilteredDescendants() return mMostFilteredDescendantGeneration >= getRoot()->getFilter()->getCurrentGeneration(); } +void LLFolderViewFolder::recursiveIncrementNumDescendantsSelected(S32 increment) +{ + LLFolderViewFolder* parent_folder = this; + do + { + parent_folder->mNumDescendantsSelected += increment; + + // Make sure we don't have negative values. + llassert(parent_folder->mNumDescendantsSelected >= 0); + + parent_folder = parent_folder->getParentFolder(); + } + while(parent_folder); +} + // Passes selection information on to children and record selection // information if necessary. BOOL LLFolderViewFolder::setSelection(LLFolderViewItem* selection, BOOL openitem, - BOOL take_keyboard_focus) + BOOL take_keyboard_focus) { BOOL rv = FALSE; - if( selection == this ) + if (selection == this) { - mIsSelected = TRUE; - if(mListener) + if (!isSelected()) + { + selectItem(); + } + if (mListener) { mListener->selectItem(); } @@ -1481,7 +1528,10 @@ BOOL LLFolderViewFolder::setSelection(LLFolderViewItem* selection, BOOL openitem } else { - mIsSelected = FALSE; + if (isSelected()) + { + deselectItem(); + } rv = FALSE; } BOOL child_selected = FALSE; @@ -1513,21 +1563,31 @@ BOOL LLFolderViewFolder::setSelection(LLFolderViewItem* selection, BOOL openitem return rv; } -// This method is used to change the selection of an item. If -// selection is 'this', then note selection as true. Returns TRUE -// if this or a child is now selected. -BOOL LLFolderViewFolder::changeSelection(LLFolderViewItem* selection, - BOOL selected) +// This method is used to change the selection of an item. +// Recursively traverse all children; if 'selection' is 'this' then change +// the select status if necessary. +// Returns TRUE if the selection state of this folder, or of a child, was changed. +BOOL LLFolderViewFolder::changeSelection(LLFolderViewItem* selection, BOOL selected) { BOOL rv = FALSE; if(selection == this) { - mIsSelected = selected; - if(mListener && selected) + if (isSelected() != selected) + { + rv = TRUE; + if (selected) + { + selectItem(); + } + else + { + deselectItem(); + } + } + if (mListener && selected) { mListener->selectItem(); } - rv = TRUE; } for (folders_t::iterator iter = mFolders.begin(); @@ -1551,16 +1611,14 @@ BOOL LLFolderViewFolder::changeSelection(LLFolderViewItem* selection, return rv; } -S32 LLFolderViewFolder::extendSelection(LLFolderViewItem* selection, LLFolderViewItem* last_selected, LLDynamicArray<LLFolderViewItem*>& selected_items) +void LLFolderViewFolder::extendSelection(LLFolderViewItem* selection, LLFolderViewItem* last_selected, LLDynamicArray<LLFolderViewItem*>& selected_items) { - S32 num_selected = 0; - // pass on to child folders first for (folders_t::iterator iter = mFolders.begin(); iter != mFolders.end();) { folders_t::iterator fit = iter++; - num_selected += (*fit)->extendSelection(selection, last_selected, selected_items); + (*fit)->extendSelection(selection, last_selected, selected_items); } // handle selection of our immediate children... @@ -1653,7 +1711,6 @@ S32 LLFolderViewFolder::extendSelection(LLFolderViewItem* selection, LLFolderVie if (item->changeSelection(item, TRUE)) { selected_items.put(item); - num_selected++; } } } @@ -1663,11 +1720,8 @@ S32 LLFolderViewFolder::extendSelection(LLFolderViewItem* selection, LLFolderVie if (selection->changeSelection(selection, TRUE)) { selected_items.put(selection); - num_selected++; } } - - return num_selected; } void LLFolderViewFolder::destroyView() @@ -1717,6 +1771,10 @@ void LLFolderViewFolder::removeView(LLFolderViewItem* item) return; } // deselect without traversing hierarchy + if (item->isSelected()) + { + item->deselectItem(); + } getRoot()->removeFromSelectionList(item); extractItem(item); delete item; @@ -1732,16 +1790,24 @@ void LLFolderViewFolder::extractItem( LLFolderViewItem* item ) // This is an evil downcast. However, it's only doing // pointer comparison to find if (which it should be ) the // item is in the container, so it's pretty safe. - LLFolderViewFolder* f = reinterpret_cast<LLFolderViewFolder*>(item); + LLFolderViewFolder* f = static_cast<LLFolderViewFolder*>(item); folders_t::iterator ft; ft = std::find(mFolders.begin(), mFolders.end(), f); - if(ft != mFolders.end()) + if (ft != mFolders.end()) { + if ((*ft)->numSelected()) + { + recursiveIncrementNumDescendantsSelected(-(*ft)->numSelected()); + } mFolders.erase(ft); } } else { + if ((*it)->isSelected()) + { + recursiveIncrementNumDescendantsSelected(-1); + } mItems.erase(it); } //item has been removed, need to update filter @@ -1905,6 +1971,10 @@ BOOL LLFolderViewFolder::isRemovable() BOOL LLFolderViewFolder::addItem(LLFolderViewItem* item) { mItems.push_back(item); + if (item->isSelected()) + { + recursiveIncrementNumDescendantsSelected(1); + } item->setRect(LLRect(0, 0, getRect().getWidth(), 0)); item->setVisible(FALSE); addChild( item ); @@ -1918,6 +1988,10 @@ BOOL LLFolderViewFolder::addItem(LLFolderViewItem* item) BOOL LLFolderViewFolder::addFolder(LLFolderViewFolder* folder) { mFolders.push_back(folder); + if (folder->numSelected()) + { + recursiveIncrementNumDescendantsSelected(folder->numSelected()); + } folder->setOrigin(0, 0); folder->reshape(getRect().getWidth(), 0); folder->setVisible(FALSE); |