phoenix-firestorm/indra/llui/llaccordionctrl.cpp

956 lines
30 KiB
C++

/**
* @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() == FALSE)
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 ? FALSE : TRUE);
}
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() == 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() + 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() == 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.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 ? TRUE : FALSE;
}
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();
}
}