diff options
Diffstat (limited to 'indra/llui/llaccordionctrl.cpp')
| -rw-r--r-- | indra/llui/llaccordionctrl.cpp | 420 |
1 files changed, 378 insertions, 42 deletions
diff --git a/indra/llui/llaccordionctrl.cpp b/indra/llui/llaccordionctrl.cpp index b5e870228a..f9ffaaa646 100644 --- a/indra/llui/llaccordionctrl.cpp +++ b/indra/llui/llaccordionctrl.cpp @@ -2,31 +2,25 @@ * @file llaccordionctrl.cpp * @brief Accordion panel implementation * - * $LicenseInfo:firstyear=2009&license=viewergpl$ - * - * 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. * - * 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 "linden_common.h" @@ -63,8 +57,16 @@ static LLDefaultChildRegistry::Register<LLAccordionCtrl> t2("accordion"); LLAccordionCtrl::LLAccordionCtrl(const Params& params):LLPanel(params) , mFitParent(params.fit_parent) + , mAutoScrolling( false ) + , mAutoScrollRate( 0.f ) + , mSelectedTab( NULL ) + , mTabComparator( NULL ) + , mNoVisibleTabsHelpText(NULL) + , mNoVisibleTabsOrigString(params.no_visible_tabs_text.initial_value().asString()) { - mSingleExpansion = params.single_expansion; + initNoTabsWidget(params.no_matched_tabs_text); + + mSingleExpansion = params.single_expansion; if(mFitParent && !mSingleExpansion) { llinfos << "fit_parent works best when combined with single_expansion" << llendl; @@ -72,7 +74,13 @@ LLAccordionCtrl::LLAccordionCtrl(const Params& params):LLPanel(params) } LLAccordionCtrl::LLAccordionCtrl() : LLPanel() + , mAutoScrolling( false ) + , mAutoScrollRate( 0.f ) + , mSelectedTab( NULL ) + , mNoVisibleTabsHelpText(NULL) { + initNoTabsWidget(LLTextBox::Params()); + mSingleExpansion = false; mFitParent = false; LLUICtrlFactory::getInstance()->buildPanel(this, "accordion_parent.xml"); @@ -81,6 +89,19 @@ LLAccordionCtrl::LLAccordionCtrl() : LLPanel() //--------------------------------------------------------------------------------- void LLAccordionCtrl::draw() { + if (mAutoScrolling) + { + // add acceleration to autoscroll + mAutoScrollRate = llmin(mAutoScrollRate + (LLFrameTimer::getFrameDeltaTimeF32() * AUTO_SCROLL_RATE_ACCEL), MAX_AUTO_SCROLL_RATE); + } + else + { + // reset to minimum for next time + mAutoScrollRate = MIN_AUTO_SCROLL_RATE; + } + // clear this flag to be set on next call to autoScroll + mAutoScrolling = false; + LLRect local_rect(0, getRect().getHeight(), getRect().getWidth(), 0); LLLocalClipRect clip(local_rect); @@ -101,7 +122,6 @@ BOOL LLAccordionCtrl::postBuild() scrollbar_size, getRect().getHeight() - 1); - LLScrollbar::Params sbparams; sbparams.name("scrollable vertical"); sbparams.rect(scroll_rect); @@ -150,6 +170,8 @@ BOOL LLAccordionCtrl::postBuild() } } + updateNoTabsHelpTextVisibility(); + return TRUE; } @@ -169,8 +191,15 @@ void LLAccordionCtrl::reshape(S32 width, S32 height, BOOL called_from_parent) rcLocal.mRight = rcLocal.mLeft + width; rcLocal.mTop = rcLocal.mBottom + height; + // get textbox a chance to reshape its content + mNoVisibleTabsHelpText->reshape(width, height, called_from_parent); + setRect(rcLocal); + // assume that help text is always fit accordion. + // necessary text paddings can be set via h_pad and v_pad + mNoVisibleTabsHelpText->setRect(getLocalRect()); + arrange(); } @@ -313,44 +342,136 @@ void LLAccordionCtrl::addCollapsibleCtrl(LLView* view) LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(view); if(!accordion_tab) return; - if(std::find(getChildList()->begin(),getChildList()->end(),accordion_tab) == getChildList()->end()) + if(std::find(beginChild(), endChild(), accordion_tab) == endChild()) addChild(accordion_tab); mAccordionTabs.push_back(accordion_tab); - + accordion_tab->setDropDownStateChangedCallback( boost::bind(&LLAccordionCtrl::onCollapseCtrlCloseOpen, this, mAccordionTabs.size() - 1) ); + arrange(); +} +void LLAccordionCtrl::removeCollapsibleCtrl(LLView* view) +{ + LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(view); + if(!accordion_tab) + return; + + if(std::find(beginChild(), endChild(), accordion_tab) != endChild()) + removeChild(accordion_tab); + + for (std::vector<LLAccordionCtrlTab*>::iterator iter = mAccordionTabs.begin(); + iter != mAccordionTabs.end(); ++iter) + { + if (accordion_tab == (*iter)) + { + mAccordionTabs.erase(iter); + break; + } + } + + // if removed is selected - reset selection + if (mSelectedTab == view) + { + mSelectedTab = NULL; + } } +void LLAccordionCtrl::initNoTabsWidget(const LLTextBox::Params& tb_params) +{ + LLTextBox::Params tp = tb_params; + tp.rect(getLocalRect()); + mNoMatchedTabsOrigString = tp.initial_value().asString(); + mNoVisibleTabsHelpText = LLUICtrlFactory::create<LLTextBox>(tp, this); +} -void LLAccordionCtrl::arrange() +void LLAccordionCtrl::updateNoTabsHelpTextVisibility() { - if( mAccordionTabs.size() == 0) + bool visible_exists = false; + std::vector<LLAccordionCtrlTab*>::const_iterator it = mAccordionTabs.begin(); + const std::vector<LLAccordionCtrlTab*>::const_iterator it_end = mAccordionTabs.end(); + for (; it != it_end; ++it) { - //We do not arrange if we do not have what should be arranged - return; + if ((*it)->getVisible()) + { + visible_exists = true; + break; + } } - //Calculate params + mNoVisibleTabsHelpText->setVisible(!visible_exists); +} + +void LLAccordionCtrl::arrangeSinge() +{ S32 panel_left = BORDER_MARGIN; // Margin from left side of Splitter S32 panel_top = getRect().getHeight() - BORDER_MARGIN; // Top coordinate of the first panel S32 panel_width = getRect().getWidth() - 4; // Top coordinate of the first panel + S32 panel_height; - - if(mAccordionTabs.size() == 1) + S32 collapsed_height = 0; + + for(size_t i=0;i<mAccordionTabs.size();++i) { - LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[0]); - - LLRect panel_rect = accordion_tab->getRect(); + LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]); - S32 panel_height = getRect().getHeight() - 2*BORDER_MARGIN; + if(accordion_tab->getVisible() == false) //skip hidden accordion tabs + continue; + if(!accordion_tab->isExpanded() ) + { + collapsed_height+=mAccordionTabs[i]->getRect().getHeight(); + } + } - ctrlSetLeftTopAndSize(accordion_tab,panel_rect.mLeft,panel_top,panel_width,panel_height); + S32 expanded_height = getRect().getHeight() - BORDER_MARGIN - collapsed_height; + + for(size_t i=0;i<mAccordionTabs.size();++i) + { + LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]); - show_hide_scrollbar(getRect().getWidth(),getRect().getHeight()); - return; + if(accordion_tab->getVisible() == false) //skip hidden accordion tabs + continue; + if(!accordion_tab->isExpanded() ) + { + panel_height = accordion_tab->getRect().getHeight(); + } + else + { + if(mFitParent) + { + panel_height = expanded_height; + } + else + { + if(accordion_tab->getAccordionView()) + { + panel_height = accordion_tab->getAccordionView()->getRect().getHeight() + + accordion_tab->getHeaderHeight() + 2*BORDER_MARGIN; + } + else + { + panel_height = accordion_tab->getRect().getHeight(); + } + } + } + + // make sure at least header is shown + panel_height = llmax(panel_height, accordion_tab->getHeaderHeight()); + ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_left, panel_top, panel_width, panel_height); + panel_top-=mAccordionTabs[i]->getRect().getHeight(); } + show_hide_scrollbar(getRect().getWidth(), getRect().getHeight()); + updateLayout(getRect().getWidth(), getRect().getHeight()); +} + +void LLAccordionCtrl::arrangeMultiple() +{ + S32 panel_left = BORDER_MARGIN; // Margin from left side of Splitter + S32 panel_top = getRect().getHeight() - BORDER_MARGIN; // Top coordinate of the first panel + S32 panel_width = getRect().getWidth() - 4; // Top coordinate of the first panel + + //Calculate params for(size_t i = 0; i < mAccordionTabs.size(); i++ ) { LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]); @@ -398,7 +519,44 @@ void LLAccordionCtrl::arrange() show_hide_scrollbar(getRect().getWidth(),getRect().getHeight()); updateLayout(getRect().getWidth(),getRect().getHeight()); +} + +void LLAccordionCtrl::arrange() +{ + updateNoTabsHelpTextVisibility(); + + if( mAccordionTabs.size() == 0) + { + //We do not arrange if we do not have what should be arranged + return; + } + + + if(mAccordionTabs.size() == 1) + { + S32 panel_top = getRect().getHeight() - BORDER_MARGIN; // Top coordinate of the first panel + S32 panel_width = getRect().getWidth() - 4; // Top coordinate of the first panel + + LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[0]); + + LLRect panel_rect = accordion_tab->getRect(); + + S32 panel_height = getRect().getHeight() - 2*BORDER_MARGIN; + + if (accordion_tab->getFitParent()) + panel_height = accordion_tab->getRect().getHeight(); + ctrlSetLeftTopAndSize(accordion_tab,panel_rect.mLeft,panel_top,panel_width,panel_height); + + show_hide_scrollbar(getRect().getWidth(),getRect().getHeight()); + return; + + } + + if(mSingleExpansion) + arrangeSinge (); + else + arrangeMultiple (); } //--------------------------------------------------------------------------------- @@ -420,6 +578,64 @@ BOOL LLAccordionCtrl::handleKeyHere (KEY key, MASK mask) return LLPanel::handleKeyHere(key,mask); } +BOOL LLAccordionCtrl::handleDragAndDrop (S32 x, S32 y, MASK mask, + BOOL drop, + EDragAndDropType cargo_type, + void* cargo_data, + EAcceptance* accept, + std::string& tooltip_msg) +{ + // Scroll folder view if needed. Never accepts a drag or drop. + *accept = ACCEPT_NO; + BOOL handled = autoScroll(x, y); + + if( !handled ) + { + handled = childrenHandleDragAndDrop(x, y, mask, drop, cargo_type, + cargo_data, accept, tooltip_msg) != NULL; + } + return TRUE; +} + +BOOL LLAccordionCtrl::autoScroll (S32 x, S32 y) +{ + static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0); + + bool scrolling = false; + if( mScrollbar->getVisible() ) + { + LLRect rect_local( 0, getRect().getHeight(), getRect().getWidth() - scrollbar_size, 0 ); + LLRect screen_local_extents; + + // clip rect against root view + screenRectToLocal(getRootView()->getLocalRect(), &screen_local_extents); + rect_local.intersectWith(screen_local_extents); + + // autoscroll region should take up no more than one third of visible scroller area + S32 auto_scroll_region_height = llmin(rect_local.getHeight() / 3, 10); + S32 auto_scroll_speed = llround(mAutoScrollRate * LLFrameTimer::getFrameDeltaTimeF32()); + + LLRect bottom_scroll_rect = screen_local_extents; + bottom_scroll_rect.mTop = rect_local.mBottom + auto_scroll_region_height; + if( bottom_scroll_rect.pointInRect( x, y ) && (mScrollbar->getDocPos() < mScrollbar->getDocPosMax()) ) + { + mScrollbar->setDocPos( mScrollbar->getDocPos() + auto_scroll_speed ); + mAutoScrolling = true; + scrolling = true; + } + + LLRect top_scroll_rect = screen_local_extents; + top_scroll_rect.mBottom = rect_local.mTop - auto_scroll_region_height; + if( top_scroll_rect.pointInRect( x, y ) && (mScrollbar->getDocPos() > 0) ) + { + mScrollbar->setDocPos( mScrollbar->getDocPos() - auto_scroll_speed ); + mAutoScrolling = true; + scrolling = true; + } + } + return scrolling; +} + void LLAccordionCtrl::updateLayout (S32 width, S32 height) { S32 panel_top = height - BORDER_MARGIN ; @@ -500,19 +716,60 @@ S32 LLAccordionCtrl::notifyParent(const LLSD& info) LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]); if(accordion_tab->hasFocus() && i>0) { + bool prev_visible_tab_found = false; while(i>0) { if(mAccordionTabs[--i]->getVisible()) + { + prev_visible_tab_found = true; break; + } + } + + if (prev_visible_tab_found) + { + accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]); + accordion_tab->notify(LLSD().with("action","select_last")); + return 1; + } + break; + } + } + return 0; + } + else if(str_action == "select_current") + { + for(size_t i=0;i<mAccordionTabs.size();++i) + { + // Set selection to the currently focused tab. + if(mAccordionTabs[i]->hasFocus()) + { + if (mAccordionTabs[i] != mSelectedTab) + { + if (mSelectedTab) + { + mSelectedTab->setSelected(false); + } + mSelectedTab = mAccordionTabs[i]; + mSelectedTab->setSelected(true); } - - accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]); - accordion_tab->notify(LLSD().with("action","select_last")); + return 1; } } return 0; } + else if(str_action == "deselect_current") + { + // Reset selection to the currently selected tab. + if (mSelectedTab) + { + mSelectedTab->setSelected(false); + mSelectedTab = NULL; + return 1; + } + return 0; + } } else if (info.has("scrollToShowRect")) { @@ -537,6 +794,20 @@ S32 LLAccordionCtrl::notifyParent(const LLSD& info) } return 1; } + else if (info.has("child_visibility_change")) + { + BOOL new_visibility = info["child_visibility_change"]; + if (new_visibility) + { + // there is at least one visible tab + mNoVisibleTabsHelpText->setVisible(FALSE); + } + else + { + // it could be the latest visible tab, check all of them + updateNoTabsHelpTextVisibility(); + } + } return LLPanel::notifyParent(info); } void LLAccordionCtrl::reset () @@ -545,6 +816,71 @@ void LLAccordionCtrl::reset () mScrollbar->setDocPos(0); } +void LLAccordionCtrl::expandDefaultTab() +{ + if (mAccordionTabs.size() > 0) + { + LLAccordionCtrlTab* tab = mAccordionTabs.front(); + + if (!tab->getDisplayChildren()) + { + tab->setDisplayChildren(true); + } + + for (size_t i = 1; i < mAccordionTabs.size(); ++i) + { + tab = mAccordionTabs[i]; + + if (tab->getDisplayChildren()) + { + tab->setDisplayChildren(false); + } + } + + arrange(); + } +} + +void LLAccordionCtrl::sort() +{ + if (!mTabComparator) + { + llwarns << "No comparator specified for sorting accordion tabs." << llendl; + return; + } + + std::sort(mAccordionTabs.begin(), mAccordionTabs.end(), LLComparatorAdaptor(*mTabComparator)); + arrange(); +} + +void LLAccordionCtrl::setFilterSubString(const std::string& filter_string) +{ + LLStringUtil::format_map_t args; + args["[SEARCH_TERM]"] = LLURI::escape(filter_string); + std::string text = filter_string.empty() ? mNoVisibleTabsOrigString : mNoMatchedTabsOrigString; + LLStringUtil::format(text, args); + + mNoVisibleTabsHelpText->setValue(text); +} + +const LLAccordionCtrlTab* LLAccordionCtrl::getExpandedTab() const +{ + typedef std::vector<LLAccordionCtrlTab*>::const_iterator tabs_const_iterator; + + const LLAccordionCtrlTab* result = 0; + + for (tabs_const_iterator i = mAccordionTabs.begin(); i != mAccordionTabs.end(); ++i) + { + if ((*i)->isExpanded()) + { + result = *i; + break; + } + } + + return result; +} + S32 LLAccordionCtrl::calcExpandedTabHeight(S32 tab_index /* = 0 */, S32 available_height /* = 0 */) { if(tab_index < 0) |