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Diffstat (limited to 'indra/llui/llaccordionctrl.cpp')
| -rw-r--r-- | indra/llui/llaccordionctrl.cpp | 914 |
1 files changed, 914 insertions, 0 deletions
diff --git a/indra/llui/llaccordionctrl.cpp b/indra/llui/llaccordionctrl.cpp new file mode 100644 index 0000000000..f9ffaaa646 --- /dev/null +++ b/indra/llui/llaccordionctrl.cpp @@ -0,0 +1,914 @@ +/** + * @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 DRAGGER_BAR_MARGIN = 4; +static const S32 DRAGGER_BAR_HEIGHT = 5; +static const S32 BORDER_MARGIN = 2; +static const S32 PARENT_BORDER_MARGIN = 5; + +static const S32 panel_delta = DRAGGER_BAR_MARGIN; // Distanse between two panels + +static const S32 HORIZONTAL_MULTIPLE = 8; +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()) +{ + initNoTabsWidget(params.no_matched_tabs_text); + + mSingleExpansion = params.single_expansion; + if(mFitParent && !mSingleExpansion) + { + llinfos << "fit_parent works best when combined with single_expansion" << llendl; + } +} + +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"); +} + +//--------------------------------------------------------------------------------- +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-2*PARENT_BORDER_MARGIN); + + 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() == false) + return; + mScrollbar->setVisible(false); + + static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0); + + S32 panel_width = width - 2*BORDER_MARGIN; + + //reshape all accordeons 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.size()>0) + { + 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, 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(); + for (; it != it_end; ++it) + { + if ((*it)->getVisible()) + { + visible_exists = true; + break; + } + } + + 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; + + 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() == false) //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() == 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]); + + if(accordion_tab->getVisible() == false) //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.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 (); +} + +//--------------------------------------------------------------------------------- + +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 = 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 ; + if(mScrollbar->getVisible()) + panel_top+=mScrollbar->getDocPos(); + + S32 panel_width = width - 2*BORDER_MARGIN; + + 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()); +} +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; + } + else 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; + } + else 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; + } + 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); + } + + 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")) + { + 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.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) + { + 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; +} |