diff options
Diffstat (limited to 'indra/llui/llaccordionctrl.cpp')
| -rw-r--r-- | indra/llui/llaccordionctrl.cpp | 1893 |
1 files changed, 955 insertions, 938 deletions
diff --git a/indra/llui/llaccordionctrl.cpp b/indra/llui/llaccordionctrl.cpp index f075aa564e..c40e78233d 100644 --- a/indra/llui/llaccordionctrl.cpp +++ b/indra/llui/llaccordionctrl.cpp @@ -1,938 +1,955 @@ -/** - * @file llaccordionctrl.cpp - * @brief Accordion panel implementation - * - * $LicenseInfo:firstyear=2009&license=viewerlgpl$ - * Second Life Viewer Source Code - * 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. - * - * 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. - * - * 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" - -#include "llaccordionctrl.h" -#include "llaccordionctrltab.h" - -#include "lluictrlfactory.h" // builds floaters from XML - -#include "llwindow.h" -#include "llfocusmgr.h" -#include "lllocalcliprect.h" - -#include "boost/bind.hpp" - -static const S32 BORDER_MARGIN = 2; -static const S32 PARENT_BORDER_MARGIN = 5; -static const S32 VERTICAL_MULTIPLE = 16; -static const F32 MIN_AUTO_SCROLL_RATE = 120.f; -static const F32 MAX_AUTO_SCROLL_RATE = 500.f; -static const F32 AUTO_SCROLL_RATE_ACCEL = 120.f; - -// LLAccordionCtrl =================================================================| - -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()) - , mSkipScrollToChild(false) -{ - initNoTabsWidget(params.no_matched_tabs_text); - - mSingleExpansion = params.single_expansion; - if (mFitParent && !mSingleExpansion) - { - LL_INFOS() << "fit_parent works best when combined with single_expansion" << LL_ENDL; - } -} - -LLAccordionCtrl::LLAccordionCtrl() : LLPanel() - , mAutoScrolling( false ) - , mAutoScrollRate( 0.f ) - , mSelectedTab( NULL ) - , mNoVisibleTabsHelpText(NULL) -{ - initNoTabsWidget(LLTextBox::Params()); - - mSingleExpansion = false; - mFitParent = false; - buildFromFile( "accordion_parent.xml"); -} - -//--------------------------------------------------------------------------------- -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); - - LLPanel::draw(); -} - -//--------------------------------------------------------------------------------- -bool LLAccordionCtrl::postBuild() -{ - static LLUICachedControl<S32> scrollbar_size("UIScrollbarSize", 0); - - LLRect scroll_rect; - scroll_rect.setOriginAndSize( - getRect().getWidth() - scrollbar_size, - 1, - scrollbar_size, - getRect().getHeight() - 1); - - LLScrollbar::Params sbparams; - sbparams.name("scrollable vertical"); - sbparams.rect(scroll_rect); - sbparams.orientation(LLScrollbar::VERTICAL); - sbparams.doc_size(mInnerRect.getHeight()); - sbparams.doc_pos(0); - sbparams.page_size(mInnerRect.getHeight()); - sbparams.step_size(VERTICAL_MULTIPLE); - sbparams.follows.flags(FOLLOWS_RIGHT | FOLLOWS_TOP | FOLLOWS_BOTTOM); - sbparams.change_callback(boost::bind(&LLAccordionCtrl::onScrollPosChangeCallback, this, _1, _2)); - - mScrollbar = LLUICtrlFactory::create<LLScrollbar>(sbparams); - LLView::addChild(mScrollbar); - mScrollbar->setVisible(false); - mScrollbar->setFollowsRight(); - mScrollbar->setFollowsTop(); - mScrollbar->setFollowsBottom(); - - //if it was created from xml... - std::vector<LLUICtrl*> accordion_tabs; - for (child_list_const_iter_t it = getChildList()->begin(); - getChildList()->end() != it; ++it) - { - LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(*it); - if (accordion_tab == NULL) - continue; - if (std::find(mAccordionTabs.begin(), mAccordionTabs.end(), accordion_tab) == mAccordionTabs.end()) - { - accordion_tabs.push_back(accordion_tab); - } - } - - for (std::vector<LLUICtrl*>::reverse_iterator it = accordion_tabs.rbegin(); - it < accordion_tabs.rend(); ++it) - { - addCollapsibleCtrl(*it); - } - - arrange(); - - if (mSingleExpansion) - { - if (!mAccordionTabs[0]->getDisplayChildren()) - mAccordionTabs[0]->setDisplayChildren(true); - for (size_t i = 1; i < mAccordionTabs.size(); ++i) - { - if (mAccordionTabs[i]->getDisplayChildren()) - mAccordionTabs[i]->setDisplayChildren(false); - } - } - - updateNoTabsHelpTextVisibility(); - - return true; -} - - -//--------------------------------------------------------------------------------- -LLAccordionCtrl::~LLAccordionCtrl() -{ - mAccordionTabs.clear(); -} - -//--------------------------------------------------------------------------------- - -void LLAccordionCtrl::reshape(S32 width, S32 height, bool called_from_parent) -{ - // adjust our rectangle - LLRect rcLocal = getRect(); - 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(); -} - -//--------------------------------------------------------------------------------- -bool LLAccordionCtrl::handleRightMouseDown(S32 x, S32 y, MASK mask) -{ - return LLPanel::handleRightMouseDown(x, y, mask); -} - -//--------------------------------------------------------------------------------- -void LLAccordionCtrl::shiftAccordionTabs(S16 panel_num, S32 delta) -{ - for (size_t i = panel_num; i < mAccordionTabs.size(); ++i) - { - ctrlShiftVertical(mAccordionTabs[i],delta); - } -} - -//--------------------------------------------------------------------------------- -void LLAccordionCtrl::onCollapseCtrlCloseOpen(S16 panel_num) -{ - if (mSingleExpansion) - { - for (size_t i = 0; i < mAccordionTabs.size(); ++i) - { - if (i == panel_num) - continue; - if (mAccordionTabs[i]->getDisplayChildren()) - mAccordionTabs[i]->setDisplayChildren(false); - } - - } - arrange(); -} - -void LLAccordionCtrl::show_hide_scrollbar(S32 width, S32 height) -{ - calcRecuiredHeight(); - if (getRecuiredHeight() > height) - showScrollbar(width, height); - else - hideScrollbar(width, height); -} - -void LLAccordionCtrl::showScrollbar(S32 width, S32 height) -{ - bool was_visible = mScrollbar->getVisible(); - - mScrollbar->setVisible(true); - - static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0); - - ctrlSetLeftTopAndSize(mScrollbar - , width - scrollbar_size - PARENT_BORDER_MARGIN / 2 - , height - PARENT_BORDER_MARGIN - , scrollbar_size - , height - PARENT_BORDER_MARGIN * 2); - - mScrollbar->setPageSize(height); - mScrollbar->setDocParams(mInnerRect.getHeight(), mScrollbar->getDocPos()); - - if (was_visible) - { - S32 scroll_pos = llmin(mScrollbar->getDocPos(), getRecuiredHeight() - height - 1); - mScrollbar->setDocPos(scroll_pos); - } -} - -void LLAccordionCtrl::hideScrollbar(S32 width, S32 height) -{ - if (!mScrollbar->getVisible()) - return; - mScrollbar->setVisible(false); - - static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0); - - S32 panel_width = width - 2*BORDER_MARGIN; - - // Reshape all accordions and shift all draggers - for (size_t i = 0; i < mAccordionTabs.size(); ++i) - { - LLRect panel_rect = mAccordionTabs[i]->getRect(); - ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_rect.mLeft, panel_rect.mTop, panel_width, panel_rect.getHeight()); - } - - mScrollbar->setDocPos(0); - - if (!mAccordionTabs.empty()) - { - S32 panel_top = height - BORDER_MARGIN; // Top coordinate of the first panel - S32 diff = panel_top - mAccordionTabs[0]->getRect().mTop; - shiftAccordionTabs(0, diff); - } -} - -//--------------------------------------------------------------------------------- -S32 LLAccordionCtrl::calcRecuiredHeight() -{ - S32 rec_height = 0; - - std::vector<LLAccordionCtrlTab*>::iterator panel; - for(panel=mAccordionTabs.begin(); panel!=mAccordionTabs.end(); ++panel) - { - LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(*panel); - if(accordion_tab && accordion_tab->getVisible()) - { - rec_height += accordion_tab->getRect().getHeight(); - } - } - - mInnerRect.setLeftTopAndSize(0, rec_height + BORDER_MARGIN * 2, getRect().getWidth(), rec_height + BORDER_MARGIN); - - return mInnerRect.getHeight(); -} - -//--------------------------------------------------------------------------------- -void LLAccordionCtrl::ctrlSetLeftTopAndSize(LLView* panel, S32 left, S32 top, S32 width, S32 height) -{ - if (!panel) - return; - LLRect panel_rect = panel->getRect(); - panel_rect.setLeftTopAndSize( left, top, width, height); - panel->reshape( width, height, 1); - panel->setRect(panel_rect); -} - -void LLAccordionCtrl::ctrlShiftVertical(LLView* panel, S32 delta) -{ - if (!panel) - return; - panel->translate(0,delta); -} - -//--------------------------------------------------------------------------------- - -void LLAccordionCtrl::addCollapsibleCtrl(LLView* view) -{ - LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(view); - if (!accordion_tab) - return; - if (std::find(beginChild(), endChild(), accordion_tab) == endChild()) - addChild(accordion_tab); - mAccordionTabs.push_back(accordion_tab); - - accordion_tab->setDropDownStateChangedCallback( boost::bind(&LLAccordionCtrl::onCollapseCtrlCloseOpen, this, (S16)(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::updateNoTabsHelpTextVisibility() -{ - bool visible_exists = false; - std::vector<LLAccordionCtrlTab*>::const_iterator it = mAccordionTabs.begin(); - const std::vector<LLAccordionCtrlTab*>::const_iterator it_end = mAccordionTabs.end(); - while (it < it_end) - { - if ((*(it++))->getVisible()) - { - visible_exists = true; - break; - } - } - - mNoVisibleTabsHelpText->setVisible(!visible_exists); -} - -void LLAccordionCtrl::arrangeSingle() -{ - 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; - S32 panel_height; - - S32 collapsed_height = 0; - - for (size_t i = 0; i < mAccordionTabs.size(); ++i) - { - LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]); - - if (!accordion_tab->getVisible()) // Skip hidden accordion tabs - continue; - if (!accordion_tab->isExpanded() ) - { - collapsed_height+=mAccordionTabs[i]->getRect().getHeight(); - } - } - - 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]); - - if (!accordion_tab->getVisible()) // 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() + BORDER_MARGIN * 2; - } - 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; - - //Calculate params - for (size_t i = 0; i < mAccordionTabs.size(); i++ ) - { - LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]); - - if (!accordion_tab->getVisible()) // Skip hidden accordion tabs - continue; - - if (!accordion_tab->isExpanded() ) - { - ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_left, panel_top, panel_width, accordion_tab->getRect().getHeight()); - panel_top -= mAccordionTabs[i]->getRect().getHeight(); - } - else - { - S32 panel_height = accordion_tab->getRect().getHeight(); - - if (mFitParent) - { - // All expanded tabs will have equal height - panel_height = calcExpandedTabHeight(i, panel_top); - ctrlSetLeftTopAndSize(accordion_tab, panel_left, panel_top, panel_width, panel_height); - - // Try to make accordion tab fit accordion view height. - // Accordion View should implement getRequiredRect() and provide valid height - S32 optimal_height = accordion_tab->getAccordionView()->getRequiredRect().getHeight(); - optimal_height += accordion_tab->getHeaderHeight() + 2 * BORDER_MARGIN; - if (optimal_height < panel_height) - { - panel_height = optimal_height; - } - - // minimum tab height is equal to header height - if (mAccordionTabs[i]->getHeaderHeight() > panel_height) - { - panel_height = mAccordionTabs[i]->getHeaderHeight(); - } - } - - ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_left, panel_top, panel_width, panel_height); - panel_top -= panel_height; - - } - } - - show_hide_scrollbar(getRect().getWidth(), getRect().getHeight()); - - updateLayout(getRect().getWidth(), getRect().getHeight()); -} - - -void LLAccordionCtrl::arrange() -{ - updateNoTabsHelpTextVisibility(); - - if (mAccordionTabs.empty()) - { - // Nothing to arrange - return; - } - - if (mAccordionTabs.size() == 1) - { - S32 panel_top = getRect().getHeight() - BORDER_MARGIN; // Top coordinate of the first panel - S32 panel_width = getRect().getWidth() - 4; - - LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[0]); - - LLRect panel_rect = accordion_tab->getRect(); - - S32 panel_height = getRect().getHeight() - BORDER_MARGIN * 2; - 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) - arrangeSingle(); - else - arrangeMultiple(); -} - -//--------------------------------------------------------------------------------- - -bool LLAccordionCtrl::handleScrollWheel(S32 x, S32 y, S32 clicks) -{ - if (LLPanel::handleScrollWheel(x, y, clicks)) - return true; - if (mScrollbar->getVisible() && mScrollbar->handleScrollWheel(0, 0, clicks)) - return true; - return false; -} - -bool LLAccordionCtrl::handleKeyHere(KEY key, MASK mask) -{ - if (mScrollbar->getVisible() && mScrollbar->handleKeyHere(key, mask)) - return true; - 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 = ll_round(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 ; - if (mScrollbar->getVisible()) - panel_top += mScrollbar->getDocPos(); - - S32 panel_width = width - BORDER_MARGIN * 2; - - static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0); - if (mScrollbar->getVisible()) - panel_width -= scrollbar_size; - - // set sizes for first panels and dragbars - for (size_t i = 0; i < mAccordionTabs.size(); ++i) - { - if (!mAccordionTabs[i]->getVisible()) - continue; - LLRect panel_rect = mAccordionTabs[i]->getRect(); - ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_rect.mLeft, panel_top, panel_width, panel_rect.getHeight()); - panel_top -= panel_rect.getHeight(); - } -} - -void LLAccordionCtrl::onScrollPosChangeCallback(S32, LLScrollbar*) -{ - updateLayout(getRect().getWidth(), getRect().getHeight()); -} - -// virtual -void LLAccordionCtrl::onUpdateScrollToChild(const LLUICtrl *cntrl) -{ - if (mScrollbar && mScrollbar->getVisible() && !mSkipScrollToChild) - { - // same as scrollToShowRect - LLRect rect; - cntrl->localRectToOtherView(cntrl->getLocalRect(), &rect, this); - - // Translate to parent coordinatess to check if we are in visible rectangle - rect.translate(getRect().mLeft, getRect().mBottom); - - if (!getRect().contains(rect)) - { - // for accordition's scroll, height is in pixels - // Back to local coords and calculate position for scroller - S32 bottom = mScrollbar->getDocPos() - rect.mBottom + getRect().mBottom; - S32 top = mScrollbar->getDocPos() - rect.mTop + getRect().mTop; - - S32 scroll_pos = llclamp(mScrollbar->getDocPos(), - bottom, // min vertical scroll - top); // max vertical scroll - - mScrollbar->setDocPos(scroll_pos); - } - } - - LLUICtrl::onUpdateScrollToChild(cntrl); -} - -void LLAccordionCtrl::onOpen(const LLSD& key) -{ - for (size_t i = 0; i < mAccordionTabs.size(); ++i) - { - LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]); - LLPanel* panel = dynamic_cast<LLPanel*>(accordion_tab->getAccordionView()); - if (panel != NULL) - { - panel->onOpen(key); - } - } -} - -S32 LLAccordionCtrl::notifyParent(const LLSD& info) -{ - if (info.has("action")) - { - std::string str_action = info["action"]; - if (str_action == "size_changes") - { - // - arrange(); - return 1; - } - if (str_action == "select_next") - { - for (size_t i = 0; i < mAccordionTabs.size(); ++i) - { - LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]); - if (accordion_tab->hasFocus()) - { - while (++i < mAccordionTabs.size()) - { - if (mAccordionTabs[i]->getVisible()) - break; - } - if (i < mAccordionTabs.size()) - { - accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]); - accordion_tab->notify(LLSD().with("action","select_first")); - return 1; - } - break; - } - } - return 0; - } - if (str_action == "select_prev") - { - for (size_t i = 0; i < mAccordionTabs.size(); ++i) - { - 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; - } - 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); - } - - return 1; - } - } - return 0; - } - 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")) - { - LLRect screen_rc, local_rc; - screen_rc.setValue(info["scrollToShowRect"]); - screenRectToLocal(screen_rc, &local_rc); - - // Translate to parent coordinatess to check if we are in visible rectangle - local_rc.translate(getRect().mLeft, getRect().mBottom); - - if (!getRect().contains (local_rc)) - { - // Back to local coords and calculate position for scroller - S32 bottom = mScrollbar->getDocPos() - local_rc.mBottom + getRect().mBottom; - S32 top = mScrollbar->getDocPos() - local_rc.mTop + getRect().mTop; - - S32 scroll_pos = llclamp(mScrollbar->getDocPos(), - bottom, // min vertical scroll - top); // max vertical scroll - - mScrollbar->setDocPos(scroll_pos); - } - 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() -{ - if (mScrollbar) - mScrollbar->setDocPos(0); -} - -void LLAccordionCtrl::expandDefaultTab() -{ - if (!mAccordionTabs.empty()) - { - 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) - { - LL_WARNS() << "No comparator specified for sorting accordion tabs." << LL_ENDL; - 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) - { - return available_height; - } - - S32 collapsed_tabs_height = 0; - S32 num_expanded = 0; - - for (size_t n = tab_index; n < mAccordionTabs.size(); ++n) - { - if (!mAccordionTabs[n]->isExpanded()) - { - collapsed_tabs_height += mAccordionTabs[n]->getHeaderHeight(); - } - else - { - ++num_expanded; - } - } - - if (0 == num_expanded) - { - return available_height; - } - - S32 expanded_tab_height = available_height - collapsed_tabs_height - BORDER_MARGIN; // top BORDER_MARGIN is added in arrange(), here we add bottom BORDER_MARGIN - expanded_tab_height /= num_expanded; - return expanded_tab_height; -} +/**
+ * @file llaccordionctrl.cpp
+ * @brief Accordion panel implementation
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * 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.
+ *
+ * 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.
+ *
+ * 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"
+
+#include "llaccordionctrl.h"
+#include "llaccordionctrltab.h"
+
+#include "lluictrlfactory.h" // builds floaters from XML
+
+#include "llwindow.h"
+#include "llfocusmgr.h"
+#include "lllocalcliprect.h"
+
+#include "boost/bind.hpp"
+
+static const S32 BORDER_MARGIN = 2;
+static const S32 PARENT_BORDER_MARGIN = 5;
+static const S32 VERTICAL_MULTIPLE = 16;
+static const F32 MIN_AUTO_SCROLL_RATE = 120.f;
+static const F32 MAX_AUTO_SCROLL_RATE = 500.f;
+static const F32 AUTO_SCROLL_RATE_ACCEL = 120.f;
+
+// LLAccordionCtrl =================================================================|
+
+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())
+ , mSkipScrollToChild(false)
+{
+ initNoTabsWidget(params.no_matched_tabs_text);
+
+ mSingleExpansion = params.single_expansion;
+ if (mFitParent && !mSingleExpansion)
+ {
+ LL_INFOS() << "fit_parent works best when combined with single_expansion" << LL_ENDL;
+ }
+}
+
+LLAccordionCtrl::LLAccordionCtrl() : LLPanel()
+ , mAutoScrolling( false )
+ , mAutoScrollRate( 0.f )
+ , mSelectedTab( NULL )
+ , mNoVisibleTabsHelpText(NULL)
+{
+ initNoTabsWidget(LLTextBox::Params());
+
+ mSingleExpansion = false;
+ mFitParent = false;
+ buildFromFile( "accordion_parent.xml");
+}
+
+//---------------------------------------------------------------------------------
+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);
+
+ LLPanel::draw();
+}
+
+//---------------------------------------------------------------------------------
+bool LLAccordionCtrl::postBuild()
+{
+ static LLUICachedControl<S32> scrollbar_size("UIScrollbarSize", 0);
+
+ LLRect scroll_rect;
+ scroll_rect.setOriginAndSize(
+ getRect().getWidth() - scrollbar_size,
+ 1,
+ scrollbar_size,
+ getRect().getHeight() - 1);
+
+ LLScrollbar::Params sbparams;
+ sbparams.name("scrollable vertical");
+ sbparams.rect(scroll_rect);
+ sbparams.orientation(LLScrollbar::VERTICAL);
+ sbparams.doc_size(mInnerRect.getHeight());
+ sbparams.doc_pos(0);
+ sbparams.page_size(mInnerRect.getHeight());
+ sbparams.step_size(VERTICAL_MULTIPLE);
+ sbparams.follows.flags(FOLLOWS_RIGHT | FOLLOWS_TOP | FOLLOWS_BOTTOM);
+ sbparams.change_callback(boost::bind(&LLAccordionCtrl::onScrollPosChangeCallback, this, _1, _2));
+
+ mScrollbar = LLUICtrlFactory::create<LLScrollbar>(sbparams);
+ LLView::addChild(mScrollbar);
+ mScrollbar->setVisible(false);
+ mScrollbar->setFollowsRight();
+ mScrollbar->setFollowsTop();
+ mScrollbar->setFollowsBottom();
+
+ //if it was created from xml...
+ std::vector<LLUICtrl*> accordion_tabs;
+ for (child_list_const_iter_t it = getChildList()->begin();
+ getChildList()->end() != it; ++it)
+ {
+ LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(*it);
+ if (accordion_tab == NULL)
+ continue;
+ if (std::find(mAccordionTabs.begin(), mAccordionTabs.end(), accordion_tab) == mAccordionTabs.end())
+ {
+ accordion_tabs.push_back(accordion_tab);
+ }
+ }
+
+ for (std::vector<LLUICtrl*>::reverse_iterator it = accordion_tabs.rbegin();
+ it < accordion_tabs.rend(); ++it)
+ {
+ addCollapsibleCtrl(*it);
+ }
+
+ arrange();
+
+ if (mSingleExpansion)
+ {
+ if (!mAccordionTabs[0]->getDisplayChildren())
+ mAccordionTabs[0]->setDisplayChildren(true);
+ for (size_t i = 1; i < mAccordionTabs.size(); ++i)
+ {
+ if (mAccordionTabs[i]->getDisplayChildren())
+ mAccordionTabs[i]->setDisplayChildren(false);
+ }
+ }
+
+ updateNoTabsHelpTextVisibility();
+
+ return true;
+}
+
+
+//---------------------------------------------------------------------------------
+LLAccordionCtrl::~LLAccordionCtrl()
+{
+ mAccordionTabs.clear();
+}
+
+//---------------------------------------------------------------------------------
+
+void LLAccordionCtrl::reshape(S32 width, S32 height, bool called_from_parent)
+{
+ // adjust our rectangle
+ LLRect rcLocal = getRect();
+ 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();
+}
+
+//---------------------------------------------------------------------------------
+bool LLAccordionCtrl::handleRightMouseDown(S32 x, S32 y, MASK mask)
+{
+ return LLPanel::handleRightMouseDown(x, y, mask);
+}
+
+//---------------------------------------------------------------------------------
+void LLAccordionCtrl::shiftAccordionTabs(S16 panel_num, S32 delta)
+{
+ for (size_t i = panel_num; i < mAccordionTabs.size(); ++i)
+ {
+ ctrlShiftVertical(mAccordionTabs[i],delta);
+ }
+}
+
+//---------------------------------------------------------------------------------
+void LLAccordionCtrl::onCollapseCtrlCloseOpen(S16 panel_num)
+{
+ if (mSingleExpansion)
+ {
+ for (size_t i = 0; i < mAccordionTabs.size(); ++i)
+ {
+ if (i == panel_num)
+ continue;
+ if (mAccordionTabs[i]->getDisplayChildren())
+ mAccordionTabs[i]->setDisplayChildren(false);
+ }
+
+ }
+ arrange();
+}
+
+void LLAccordionCtrl::show_hide_scrollbar(S32 width, S32 height)
+{
+ calcRecuiredHeight();
+ if (getRecuiredHeight() > height)
+ showScrollbar(width, height);
+ else
+ hideScrollbar(width, height);
+}
+
+void LLAccordionCtrl::showScrollbar(S32 width, S32 height)
+{
+ bool was_visible = mScrollbar->getVisible();
+
+ mScrollbar->setVisible(true);
+
+ static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+
+ ctrlSetLeftTopAndSize(mScrollbar
+ , width - scrollbar_size - PARENT_BORDER_MARGIN / 2
+ , height - PARENT_BORDER_MARGIN
+ , scrollbar_size
+ , height - PARENT_BORDER_MARGIN * 2);
+
+ mScrollbar->setPageSize(height);
+ mScrollbar->setDocParams(mInnerRect.getHeight(), mScrollbar->getDocPos());
+
+ if (was_visible)
+ {
+ S32 scroll_pos = llmin(mScrollbar->getDocPos(), getRecuiredHeight() - height - 1);
+ mScrollbar->setDocPos(scroll_pos);
+ }
+}
+
+void LLAccordionCtrl::hideScrollbar(S32 width, S32 height)
+{
+ if (!mScrollbar->getVisible())
+ return;
+ mScrollbar->setVisible(false);
+
+ static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+
+ S32 panel_width = width - 2*BORDER_MARGIN;
+
+ // Reshape all accordions and shift all draggers
+ for (size_t i = 0; i < mAccordionTabs.size(); ++i)
+ {
+ LLRect panel_rect = mAccordionTabs[i]->getRect();
+ ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_rect.mLeft, panel_rect.mTop, panel_width, panel_rect.getHeight());
+ }
+
+ mScrollbar->setDocPos(0);
+
+ if (!mAccordionTabs.empty())
+ {
+ S32 panel_top = height - BORDER_MARGIN; // Top coordinate of the first panel
+ S32 diff = panel_top - mAccordionTabs[0]->getRect().mTop;
+ shiftAccordionTabs(0, diff);
+ }
+}
+
+//---------------------------------------------------------------------------------
+S32 LLAccordionCtrl::calcRecuiredHeight()
+{
+ S32 rec_height = 0;
+
+ std::vector<LLAccordionCtrlTab*>::iterator panel;
+ for(panel=mAccordionTabs.begin(); panel!=mAccordionTabs.end(); ++panel)
+ {
+ LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(*panel);
+ if(accordion_tab && accordion_tab->getVisible())
+ {
+ rec_height += accordion_tab->getRect().getHeight();
+ }
+ }
+
+ mInnerRect.setLeftTopAndSize(0, rec_height + BORDER_MARGIN * 2, getRect().getWidth(), rec_height + BORDER_MARGIN);
+
+ return mInnerRect.getHeight();
+}
+
+//---------------------------------------------------------------------------------
+void LLAccordionCtrl::ctrlSetLeftTopAndSize(LLView* panel, S32 left, S32 top, S32 width, S32 height)
+{
+ if (!panel)
+ return;
+ LLRect panel_rect = panel->getRect();
+ panel_rect.setLeftTopAndSize( left, top, width, height);
+ panel->reshape( width, height, 1);
+ panel->setRect(panel_rect);
+}
+
+void LLAccordionCtrl::ctrlShiftVertical(LLView* panel, S32 delta)
+{
+ if (!panel)
+ return;
+ panel->translate(0,delta);
+}
+
+//---------------------------------------------------------------------------------
+
+void LLAccordionCtrl::addCollapsibleCtrl(LLView* view)
+{
+ LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(view);
+ if (!accordion_tab)
+ return;
+ if (std::find(beginChild(), endChild(), accordion_tab) == endChild())
+ addChild(accordion_tab);
+ mAccordionTabs.push_back(accordion_tab);
+
+ accordion_tab->setDropDownStateChangedCallback( boost::bind(&LLAccordionCtrl::onCollapseCtrlCloseOpen, this, (S16)(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::updateNoTabsHelpTextVisibility()
+{
+ bool visible_exists = false;
+ std::vector<LLAccordionCtrlTab*>::const_iterator it = mAccordionTabs.begin();
+ const std::vector<LLAccordionCtrlTab*>::const_iterator it_end = mAccordionTabs.end();
+ while (it < it_end)
+ {
+ if ((*(it++))->getVisible())
+ {
+ visible_exists = true;
+ break;
+ }
+ }
+
+ mNoVisibleTabsHelpText->setVisible(!visible_exists);
+}
+
+void LLAccordionCtrl::arrangeSingle()
+{
+ 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;
+ S32 panel_height;
+
+ S32 collapsed_height = 0;
+
+ for (size_t i = 0; i < mAccordionTabs.size(); ++i)
+ {
+ LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
+
+ if (!accordion_tab->getVisible()) // Skip hidden accordion tabs
+ continue;
+ if (!accordion_tab->isExpanded() )
+ {
+ collapsed_height+=mAccordionTabs[i]->getRect().getHeight();
+ }
+ }
+
+ 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]);
+
+ if (!accordion_tab->getVisible()) // 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() + BORDER_MARGIN * 2;
+ }
+ 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;
+
+ //Calculate params
+ for (size_t i = 0; i < mAccordionTabs.size(); i++ )
+ {
+ LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
+
+ if (!accordion_tab->getVisible()) // Skip hidden accordion tabs
+ continue;
+
+ if (!accordion_tab->isExpanded() )
+ {
+ ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_left, panel_top, panel_width, accordion_tab->getRect().getHeight());
+ panel_top -= mAccordionTabs[i]->getRect().getHeight();
+ }
+ else
+ {
+ S32 panel_height = accordion_tab->getRect().getHeight();
+
+ if (mFitParent)
+ {
+ // All expanded tabs will have equal height
+ panel_height = calcExpandedTabHeight(i, panel_top);
+ ctrlSetLeftTopAndSize(accordion_tab, panel_left, panel_top, panel_width, panel_height);
+
+ // Try to make accordion tab fit accordion view height.
+ // Accordion View should implement getRequiredRect() and provide valid height
+ S32 optimal_height = accordion_tab->getAccordionView()->getRequiredRect().getHeight();
+ optimal_height += accordion_tab->getHeaderHeight() + 2 * BORDER_MARGIN;
+ if (optimal_height < panel_height)
+ {
+ panel_height = optimal_height;
+ }
+
+ // minimum tab height is equal to header height
+ if (mAccordionTabs[i]->getHeaderHeight() > panel_height)
+ {
+ panel_height = mAccordionTabs[i]->getHeaderHeight();
+ }
+ }
+
+ ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_left, panel_top, panel_width, panel_height);
+ panel_top -= panel_height;
+
+ }
+ }
+
+ show_hide_scrollbar(getRect().getWidth(), getRect().getHeight());
+
+ updateLayout(getRect().getWidth(), getRect().getHeight());
+}
+
+
+void LLAccordionCtrl::arrange()
+{
+ updateNoTabsHelpTextVisibility();
+
+ if (mAccordionTabs.empty())
+ {
+ // Nothing to arrange
+ return;
+ }
+
+ if (mAccordionTabs.size() == 1)
+ {
+ S32 panel_top = getRect().getHeight() - BORDER_MARGIN; // Top coordinate of the first panel
+ S32 panel_width = getRect().getWidth() - 4;
+
+ LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[0]);
+
+ LLRect panel_rect = accordion_tab->getRect();
+
+ S32 panel_height = getRect().getHeight() - BORDER_MARGIN * 2;
+ 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)
+ arrangeSingle();
+ else
+ arrangeMultiple();
+}
+
+//---------------------------------------------------------------------------------
+
+bool LLAccordionCtrl::handleScrollWheel(S32 x, S32 y, S32 clicks)
+{
+ if (LLPanel::handleScrollWheel(x, y, clicks))
+ return true;
+ if (mScrollbar->getVisible() && mScrollbar->handleScrollWheel(0, 0, clicks))
+ return true;
+ return false;
+}
+
+bool LLAccordionCtrl::handleKeyHere(KEY key, MASK mask)
+{
+ if (mScrollbar->getVisible() && mScrollbar->handleKeyHere(key, mask))
+ return true;
+ 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 = ll_round(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 ;
+ if (mScrollbar->getVisible())
+ panel_top += mScrollbar->getDocPos();
+
+ S32 panel_width = width - BORDER_MARGIN * 2;
+
+ static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+ if (mScrollbar->getVisible())
+ panel_width -= scrollbar_size;
+
+ // set sizes for first panels and dragbars
+ for (size_t i = 0; i < mAccordionTabs.size(); ++i)
+ {
+ if (!mAccordionTabs[i]->getVisible())
+ continue;
+ LLRect panel_rect = mAccordionTabs[i]->getRect();
+ ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_rect.mLeft, panel_top, panel_width, panel_rect.getHeight());
+ panel_top -= panel_rect.getHeight();
+ }
+}
+
+void LLAccordionCtrl::onScrollPosChangeCallback(S32, LLScrollbar*)
+{
+ updateLayout(getRect().getWidth(), getRect().getHeight());
+}
+
+// virtual
+void LLAccordionCtrl::onUpdateScrollToChild(const LLUICtrl *cntrl)
+{
+ if (mScrollbar && mScrollbar->getVisible() && !mSkipScrollToChild)
+ {
+ // same as scrollToShowRect
+ LLRect rect;
+ cntrl->localRectToOtherView(cntrl->getLocalRect(), &rect, this);
+
+ // Translate to parent coordinatess to check if we are in visible rectangle
+ rect.translate(getRect().mLeft, getRect().mBottom);
+
+ if (!getRect().contains(rect))
+ {
+ // for accordition's scroll, height is in pixels
+ // Back to local coords and calculate position for scroller
+ S32 bottom = mScrollbar->getDocPos() - rect.mBottom + getRect().mBottom;
+ S32 top = mScrollbar->getDocPos() - rect.mTop + getRect().mTop;
+
+ S32 scroll_pos = llclamp(mScrollbar->getDocPos(),
+ bottom, // min vertical scroll
+ top); // max vertical scroll
+
+ mScrollbar->setDocPos(scroll_pos);
+ }
+ }
+
+ LLUICtrl::onUpdateScrollToChild(cntrl);
+}
+
+void LLAccordionCtrl::onOpen(const LLSD& key)
+{
+ for (size_t i = 0; i < mAccordionTabs.size(); ++i)
+ {
+ LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
+ LLPanel* panel = dynamic_cast<LLPanel*>(accordion_tab->getAccordionView());
+ if (panel != NULL)
+ {
+ panel->onOpen(key);
+ }
+ }
+}
+
+S32 LLAccordionCtrl::notifyParent(const LLSD& info)
+{
+ if (info.has("action"))
+ {
+ std::string str_action = info["action"];
+ if (str_action == "size_changes")
+ {
+ //
+ arrange();
+ return 1;
+ }
+ if (str_action == "select_next")
+ {
+ for (size_t i = 0; i < mAccordionTabs.size(); ++i)
+ {
+ LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
+ if (accordion_tab->hasFocus())
+ {
+ while (++i < mAccordionTabs.size())
+ {
+ if (mAccordionTabs[i]->getVisible())
+ break;
+ }
+ if (i < mAccordionTabs.size())
+ {
+ accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
+ accordion_tab->notify(LLSD().with("action","select_first"));
+ return 1;
+ }
+ break;
+ }
+ }
+ return 0;
+ }
+ if (str_action == "select_prev")
+ {
+ for (size_t i = 0; i < mAccordionTabs.size(); ++i)
+ {
+ 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;
+ }
+ 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);
+ }
+
+ return 1;
+ }
+ }
+ return 0;
+ }
+ 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"))
+ {
+ LLRect screen_rc, local_rc;
+ screen_rc.setValue(info["scrollToShowRect"]);
+ screenRectToLocal(screen_rc, &local_rc);
+
+ // Translate to parent coordinatess to check if we are in visible rectangle
+ local_rc.translate(getRect().mLeft, getRect().mBottom);
+
+ if (!getRect().contains (local_rc))
+ {
+ // Back to local coords and calculate position for scroller
+ S32 bottom = mScrollbar->getDocPos() - local_rc.mBottom + getRect().mBottom;
+ S32 top = mScrollbar->getDocPos() - local_rc.mTop + getRect().mTop;
+
+ S32 scroll_pos = llclamp(mScrollbar->getDocPos(),
+ bottom, // min vertical scroll
+ top); // max vertical scroll
+
+ mScrollbar->setDocPos(scroll_pos);
+ }
+ 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()
+{
+ if (mScrollbar)
+ mScrollbar->setDocPos(0);
+}
+
+void LLAccordionCtrl::expandDefaultTab()
+{
+ if (!mAccordionTabs.empty())
+ {
+ 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)
+ {
+ LL_WARNS() << "No comparator specified for sorting accordion tabs." << LL_ENDL;
+ 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)
+ {
+ return available_height;
+ }
+
+ S32 collapsed_tabs_height = 0;
+ S32 num_expanded = 0;
+
+ for (size_t n = tab_index; n < mAccordionTabs.size(); ++n)
+ {
+ if (!mAccordionTabs[n]->isExpanded())
+ {
+ collapsed_tabs_height += mAccordionTabs[n]->getHeaderHeight();
+ }
+ else
+ {
+ ++num_expanded;
+ }
+ }
+
+ if (0 == num_expanded)
+ {
+ return available_height;
+ }
+
+ S32 expanded_tab_height = available_height - collapsed_tabs_height - BORDER_MARGIN; // top BORDER_MARGIN is added in arrange(), here we add bottom BORDER_MARGIN
+ expanded_tab_height /= num_expanded;
+ return expanded_tab_height;
+}
+
+void LLAccordionCtrl::collapseAllTabs()
+{
+ if (mAccordionTabs.size() > 0)
+ {
+ for (size_t i = 0; i < mAccordionTabs.size(); ++i)
+ {
+ LLAccordionCtrlTab *tab = mAccordionTabs[i];
+
+ if (tab->getDisplayChildren())
+ {
+ tab->setDisplayChildren(false);
+ }
+ }
+ arrange();
+ }
+}
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