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comparison forms.js @ 0:f62b5c395a48

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Initial commit.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sat, 04 Jun 2011 05:02:47 +0200
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children f4422eafb0f8
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-1:000000000000 0:f62b5c395a48
1 /*
2 * Copyright (C) 2010 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
3 *
4 * This file is part of PSĜS, a PubSub server written in JavaScript.
5 *
6 * PSĜS is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License.
10 *
11 * PSĜS is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
15 *
16 * You should have received a copy of the GNU Affero General Public License
17 * along with PSĜS. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 'use strict';
21
22 var xmpp = require('xmpp')
23
24 var parseBoolean = function(b) {
25 if (b == 'true' || b == 'True' || b == 'TRUE' || b == '1')
26 return true;
27 return false;
28 }
29
30 exports.build = function(type, desc, content, labels, title, instructions) {
31 var x = xmpp.stanza('x', {xmlns: 'jabber:x:data', type: type});
32
33 if (desc._TITLE)
34 x.c('title').t(desc._TITLE).up();
35 else if (title)
36 x.c('title').t(title).up();
37
38 if (desc._INSTRUCTIONS)
39 x.c('instructions').t(desc._INSTRUCTIONS).up();
40 else if (instructions)
41 x.c('instructions').t(instructions).up();
42
43 if (content == 'default') {
44 content = {};
45 for (var i in desc)
46 content[i] = desc[i].value;
47 }
48
49 for (var i in desc) {
50 if (i[0] == '_')
51 continue;
52
53 var fieldAttr = {'var': i};
54
55 if (labels) {
56 if (desc[i].type)
57 fieldAttr.type = desc[i].type;
58 if (desc[i].label)
59 fieldAttr.label = desc[i].label;
60 }
61 x.c('field', fieldAttr);
62
63 if (labels &&
64 (desc[i].type == 'list-multi' ||
65 desc[i].type == 'list-single')) {
66 for (var j in desc[i].options) {
67 var optAttr = {};
68 if (desc[i].options[j].label)
69 optAttr.label = desc[i].options[j].label;
70 x.c('option', optAttr).c('value').t(j).up().up();
71 }
72 }
73
74 if (i == 'FORM_TYPE')
75 x.c('value').t(desc[i].value).up();
76 else if (typeof content[i] != 'undefined') {
77 var md = content[i];
78 if (desc[i].type == 'jid-multi' ||
79 desc[i].type == 'list-multi' ||
80 desc[i].type == 'text-multi') {
81 for (var j=0; j<md.length; j++)
82 x.c('value')
83 .t(md[j].toString()).up();
84 } else
85 x.c('value').t(md.toString()).up();
86 }
87
88 x.up();
89 }
90 return x;
91 }
92
93 exports.parse = function(x, params) {
94 var form = {};
95
96 x.constructor.prototype.getAttribute = function(a) {
97 return this.attrs[a];
98 }
99
100 if (!params) {
101 var type = x.getAttribute('type');
102 if (type)
103 form.type = type;
104
105 var title = x.getChild('title');
106 if (title)
107 form.title = title;
108
109 var instructions = x.getChild('instructions');
110 if (instructions)
111 form.instructions = instructions;
112 }
113
114 form.fields = {};
115 for (var i in x.children) {
116 var field = x.children[i];
117 var name = field.getAttribute('var');
118 if (params && name == 'FORM_TYPE')
119 continue;
120
121 if (params) {
122 var type = field.getAttribute('type');
123 if (type == 'jid-multi' || type == 'list-multi' || type == 'text-multi') {
124 form.fields[name] = [];
125 for (var j in field.children) {
126 var elem = field.children[j];
127 if (elem.name == 'value')
128 form.fields[name].push(elem.getText());
129 }
130 } else if (type == 'boolean') {
131 var value = field.getChild('value');
132 if (value)
133 form.fields[name] = parseBoolean(value.getText());
134 } else {
135 var value = field.getChild('value');
136 if (value)
137 form.fields[name] = value.getText();
138 }
139 } else {
140 form.fields[name] = {};
141
142 var label = field.getAttribute('label');
143 if (label)
144 form.fields[name].label = label;
145
146 var type = field.getAttribute('type');
147 if (type)
148 form.fields[name].type = type;
149
150 if (type == 'jid-multi' || type == 'list-multi' || type == 'text-multi') {
151 form.fields[name].options = {};
152 form.fields[name].values = [];
153 for (var j in field.children) {
154 var elem = field.children[j];
155 if (elem.name == 'option') {
156 var value = elem.getChild('value');
157 if (!value)
158 continue;
159
160 value = value.getText();
161 if (!value)
162 continue;
163
164 form.fields[name].options[value] = {};
165
166 label = elem.getAttribute('label')
167 if (label)
168 form.fields[name].options[value].label = label;
169 } else if (elem.name == 'value')
170 form.fields[name].values.push(elem.getText());
171 }
172 } else if (type == 'boolean') {
173 var value = field.getChild('value');
174 if (value)
175 form.fields[name].value = parseBoolean(value.getText());
176 } else {
177 var value = field.getChild('value');
178 if (value)
179 form.fields[name].value = value.getText();
180 }
181 }
182 }
183 return form;
184 }