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/**
* @file llscrolllistitem.cpp
* @brief Scroll lists are composed of rows (items), each of which
* contains columns (cells).
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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 "llscrolllistitem.h"
#include "llrect.h"
#include "llui.h"
//---------------------------------------------------------------------------
// LLScrollListItem
//---------------------------------------------------------------------------
LLScrollListItem::LLScrollListItem( const Params& p )
: mSelected(false),
mHighlighted(false),
mHoverIndex(-1),
mSelectedIndex(-1),
mEnabled(p.enabled),
mUserdata(p.userdata),
mItemValue(p.value),
mItemAltValue(p.alt_value)
{
}
LLScrollListItem::~LLScrollListItem()
{
std::for_each(mColumns.begin(), mColumns.end(), DeletePointer());
mColumns.clear();
}
void LLScrollListItem::setSelected(bool b)
{
mSelected = b;
mSelectedIndex = -1;
}
void LLScrollListItem::setHighlighted(bool b)
{
mHighlighted = b;
mHoverIndex = -1;
}
void LLScrollListItem::setHoverCell(S32 cell)
{
mHoverIndex = cell;
}
void LLScrollListItem::setSelectedCell(S32 cell)
{
mSelectedIndex = cell;
}
void LLScrollListItem::addColumn(const LLScrollListCell::Params& p)
{
mColumns.push_back(LLScrollListCell::create(p));
}
void LLScrollListItem::setNumColumns(S32 columns)
{
auto prev_columns = mColumns.size();
if (columns < prev_columns)
{
std::for_each(mColumns.begin()+columns, mColumns.end(), DeletePointer());
}
mColumns.resize(columns);
for (auto col = prev_columns; col < columns; ++col)
{
mColumns[col] = NULL;
}
}
void LLScrollListItem::setColumn( S32 column, LLScrollListCell *cell )
{
if (column < (S32)mColumns.size())
{
delete mColumns[column];
mColumns[column] = cell;
}
else
{
LL_ERRS() << "LLScrollListItem::setColumn: bad column: " << column << LL_ENDL;
}
}
S32 LLScrollListItem::getNumColumns() const
{
return static_cast<S32>(mColumns.size());
}
LLScrollListCell* LLScrollListItem::getColumn(const S32 i) const
{
if (0 <= i && i < (S32)mColumns.size())
{
return mColumns[i];
}
return NULL;
}
std::string LLScrollListItem::getContentsCSV() const
{
std::string ret;
S32 count = getNumColumns();
for (S32 i=0; i<count; ++i)
{
ret += getColumn(i)->getValue().asString();
if (i < count-1)
{
ret += ", ";
}
}
return ret;
}
void LLScrollListItem::draw(const LLRect& rect, const LLColor4& fg_color, const LLColor4& hover_color, const LLColor4& select_color, const LLColor4& highlight_color, S32 column_padding)
{
// draw background rect
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
LLRect bg_rect = rect;
if (mSelectedIndex < 0 && getSelected())
{
// Whole item is highlighted/selected
gl_rect_2d(bg_rect, select_color);
}
else if (mHoverIndex < 0)
{
// Whole item is highlighted/selected
gl_rect_2d(bg_rect, hover_color);
}
S32 cur_x = rect.mLeft;
S32 num_cols = getNumColumns();
S32 cur_col = 0;
for (LLScrollListCell* cell = getColumn(0); cur_col < num_cols; cell = getColumn(++cur_col))
{
// Two ways a cell could be hidden
if (cell->getWidth() < 0
|| !cell->getVisible()) continue;
LLUI::pushMatrix();
{
LLUI::translate((F32) cur_x, (F32) rect.mBottom);
if (mSelectedIndex == cur_col)
{
// select specific cell
LLRect highlight_rect(0,
cell->getHeight(),
cell->getWidth(),
0);
gl_rect_2d(highlight_rect, select_color);
}
else if (mHoverIndex == cur_col)
{
// highlight specific cell
LLRect highlight_rect(0,
cell->getHeight(),
cell->getWidth() ,
0);
gl_rect_2d(highlight_rect, hover_color);
}
cell->draw( fg_color, highlight_color );
}
LLUI::popMatrix();
cur_x += cell->getWidth() + column_padding;
}
}
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