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
|
/*
* 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; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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
*
* JsonSections.cpp
* This builds the json string for the web UI.
* Copyright (C) 2010 Simon Newton
*/
#include <algorithm>
#include <iostream>
#include <string>
#include <utility>
#include <vector>
#include "ola/web/JsonSections.h"
#include "ola/Logging.h"
#include "ola/web/Json.h"
#include "ola/web/JsonWriter.h"
#include "ola/StringUtils.h"
namespace ola {
namespace web {
using std::endl;
using std::pair;
using std::string;
using std::vector;
using ola::EscapeString;
void GenericItem::PopulateItem(JsonObject *item) const {
if (!m_button_text.empty())
item->Add("button", m_button_text);
if (!m_id.empty())
item->Add("id", m_id);
item->Add("description", m_description);
item->Add("type", Type());
SetValue(item);
SetExtraProperties(item);
}
void UIntItem::SetExtraProperties(JsonObject *item) const {
if (m_min_set)
item->Add("min", m_min);
if (m_max_set)
item->Add("max", m_max);
}
void SelectItem::AddItem(const string &label, const string &value) {
pair<string, string> p(label, value);
m_values.push_back(p);
}
void SelectItem::AddItem(const string &label, unsigned int value) {
AddItem(label, IntToString(value));
}
void SelectItem::SetValue(JsonObject *item) const {
JsonArray *options = item->AddArray("value");
vector<pair<string, string> >::const_iterator iter = m_values.begin();
for (; iter != m_values.end(); ++iter) {
JsonObject *option = options->AppendObject();
option->Add("label", iter->first);
option->Add("value", iter->second);
}
}
/**
* Create a new section response
*/
JsonSection::JsonSection(bool allow_refresh)
: m_allow_refresh(allow_refresh),
m_error(""),
m_save_button_text("") {
}
/**
* Cleanup
*/
JsonSection::~JsonSection() {
vector<const GenericItem*>::const_iterator iter = m_items.begin();
for (; iter != m_items.end(); ++iter) {
delete *iter;
}
}
/**
* Add an item to this section, ownership is transferred.
*/
void JsonSection::AddItem(const GenericItem *item) {
m_items.push_back(item);
}
/*
* Return the section as a string.
*/
string JsonSection::AsString() const {
JsonObject json;
json.Add("refresh", m_allow_refresh);
json.Add("error", m_error);
if (!m_save_button_text.empty())
json.Add("save_button", m_save_button_text);
JsonArray *items = json.AddArray("items");
vector<const GenericItem*>::const_iterator iter = m_items.begin();
for (; iter != m_items.end(); ++iter) {
JsonObject *item = items->AppendObject();
(*iter)->PopulateItem(item);
}
return JsonWriter::AsString(json);
}
} // namespace web
} // namespace ola
|
