summaryrefslogtreecommitdiff
path: root/indra/llui/llscrolllistitem.cpp
blob: a928a574652e580320dbd0347bbfaa7d155c63f0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
/**
 * @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)
{
    S32 prev_columns = mColumns.size();
    if (columns < prev_columns)
    {
        std::for_each(mColumns.begin()+columns, mColumns.end(), DeletePointer());
    }

    mColumns.resize(columns);

    for (S32 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 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;
    }
}