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
|
<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Base class for forms
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Widget
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @author Sarven Capadisli <csarven@controlyourself.ca>
* @copyright 2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/lib/widget.php';
/**
* Base class for forms
*
* We have a lot of common forms (subscribe, fave, delete) and this superclass
* lets us abstract out the basic features of the form.
*
* @category Widget
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @author Sarven Capadisli <csarven@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*
* @see HTMLOutputter
*/
class Form extends Widget
{
/**
* Show the form
*
* Uses a recipe to output the form.
*
* @return void
* @see Widget::show()
*/
function show()
{
$this->out->elementStart('form',
array('id' => $this->id(),
'method' => 'POST',
'action' => $this->action()));
$this->out->elementStart('fieldset');
$this->formLegend();
$this->sessionToken();
$this->formData();
$this->formActions();
$this->out->elementEnd('fieldset');
$this->out->elementEnd('form');
}
/**
* Include a session token for CSRF protection
*
* @return void
*/
function sessionToken()
{
$this->out->hidden('token', common_session_token());
}
/**
* Name of the form
*
* Sub-classes should overload this with the name of their form.
*
* @return void
*/
function formLegend()
{
}
/**
* Visible or invisible data elements
*
* Display the form fields that make up the data of the form.
* Sub-classes should overload this to show their data.
*
* @return void
*/
function formData()
{
}
/**
* Buttons for form actions
*
* Submit and cancel buttons (or whatever)
* Sub-classes should overload this to show their own buttons.
*
* @return void
*/
function formActions()
{
}
/**
* ID of the form
*
* Should be unique on the page. Sub-classes should overload this
* to show their own IDs.
*
* @return int ID of the form
*/
function id()
{
return null;
}
/**
* Action of the form.
*
* URL to post to. Should be overloaded by subclasses to give
* somewhere to post to.
*
* @return string URL to post to
*/
function action()
{
}
}
|
