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
|
/**
* @file llviewmodel.cpp
* @author Nat Goodspeed
* @date 2008-08-08
* @brief Implementation for llviewmodel.
*
* $LicenseInfo:firstyear=2008&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
// Precompiled header
#include "linden_common.h"
// associated header
#include "llviewmodel.h"
// STL headers
// std headers
// external library headers
// other Linden headers
///
LLViewModel::LLViewModel()
: mDirty(false)
{
}
/// Instantiate an LLViewModel with an existing data value
LLViewModel::LLViewModel(const LLSD& value)
: mDirty(false)
{
setValue(value);
}
/// Update the stored value
void LLViewModel::setValue(const LLSD& value)
{
mValue = value;
mDirty = true;
}
LLSD LLViewModel::getValue() const
{
return mValue;
}
////////////////////////////////////////////////////////////////////////////
///
LLTextViewModel::LLTextViewModel()
: LLViewModel(false),
mUpdateFromDisplay(false)
{
}
/// Instantiate an LLViewModel with an existing data value
LLTextViewModel::LLTextViewModel(const LLSD& value)
: LLViewModel(value),
mUpdateFromDisplay(false)
{
}
/// Update the stored value
void LLTextViewModel::setValue(const LLSD& value)
{
LLViewModel::setValue(value);
memDisclaim(mDisplay);
mDisplay = utf8str_to_wstring(value.asString());
memClaim(mDisplay);
// mDisplay and mValue agree
mUpdateFromDisplay = false;
}
void LLTextViewModel::setDisplay(const LLWString& value)
{
// This is the strange way to alter the value. Normally we'd setValue()
// and do the utf8str_to_wstring() to get the corresponding mDisplay
// value. But a text editor might want to edit the display string
// directly, then convert back to UTF8 on commit.
memDisclaim(mDisplay);
mDisplay = value;
memClaim(mDisplay);
mDirty = true;
// Don't immediately convert to UTF8 -- do it lazily -- we expect many
// more setDisplay() calls than getValue() calls. Just flag that it needs
// doing.
mUpdateFromDisplay = true;
}
LLSD LLTextViewModel::getValue() const
{
// Has anyone called setDisplay() since the last setValue()? If so, have
// to convert mDisplay back to UTF8.
if (mUpdateFromDisplay)
{
// The fact that we're lazily updating fields in this object should be
// transparent to clients, which is why this method is left
// conventionally const. Nor do we particularly want to make these
// members mutable. Just cast away constness in this one place.
LLTextViewModel* nthis = const_cast<LLTextViewModel*>(this);
nthis->mUpdateFromDisplay = false;
nthis->mValue = wstring_to_utf8str(mDisplay);
}
return LLViewModel::getValue();
}
////////////////////////////////////////////////////////////////////////////
LLListViewModel::LLListViewModel(const LLSD& values)
: LLViewModel()
{
}
void LLListViewModel::addColumn(const LLSD& column, EAddPosition pos)
{
}
void LLListViewModel::clearColumns()
{
}
void LLListViewModel::setColumnLabel(const std::string& column, const std::string& label)
{
}
LLScrollListItem* LLListViewModel::addElement(const LLSD& value, EAddPosition pos,
void* userdata)
{
return NULL;
}
LLScrollListItem* LLListViewModel::addSimpleElement(const std::string& value, EAddPosition pos,
const LLSD& id)
{
return NULL;
}
void LLListViewModel::clearRows()
{
}
void LLListViewModel::sortByColumn(const std::string& name, bool ascending)
{
}
|
