1 | <?php
|
---|
2 |
|
---|
3 | /*
|
---|
4 | Plugin Name: Google Website Optimizer for WordPress
|
---|
5 | Plugin URI: http://www.masteringlandingpages.com/gwo4wp
|
---|
6 | Description: Test your WordPress Landing Pages with Google Website Optimizer for WordPress
|
---|
7 | Version: 1.2
|
---|
8 | Author: Filippo Toso
|
---|
9 | Author URI: http://www.masteringlandingpages.com/
|
---|
10 | */
|
---|
11 |
|
---|
12 | /* Copyright 2009 Filippo Toso (email : info@masteringlandingpages.com)
|
---|
13 |
|
---|
14 | This program is free software; you can redistribute it and/or modify
|
---|
15 | it under the terms of the GNU General Public License as published by
|
---|
16 | the Free Software Foundation; either version 2 of the License, or
|
---|
17 | (at your option) any later version.
|
---|
18 |
|
---|
19 | This program is distributed in the hope that it will be useful,
|
---|
20 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
22 | GNU General Public License for more details.
|
---|
23 |
|
---|
24 | You should have received a copy of the GNU General Public License
|
---|
25 | along with this program; if not, write to the Free Software
|
---|
26 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
---|
27 | */
|
---|
28 |
|
---|
29 | define('GWO_META_NAME', 'gwo4wp');
|
---|
30 | define('GWO_CONTROL_IN_HEAD', true);
|
---|
31 |
|
---|
32 | class GW04WP {
|
---|
33 |
|
---|
34 | var $meta = 'gwo4wp';
|
---|
35 | var $control_in_head = true;
|
---|
36 | var $control_script = '';
|
---|
37 | var $tracking_script = '';
|
---|
38 | var $conversion_script = '';
|
---|
39 |
|
---|
40 | function GW04WP($meta = 'gwo4wp', $control_in_head = true) {
|
---|
41 | $this->__construct($meta, $control_in_head);
|
---|
42 | }
|
---|
43 |
|
---|
44 | function __construct($meta = 'gwo4wp', $control_in_head = true) {
|
---|
45 | $this->meta = $meta;
|
---|
46 | $this->control_in_head = $control_in_head;
|
---|
47 | add_action('plugins_loaded', array(&$this, 'action_plugins_loaded'));
|
---|
48 | }
|
---|
49 |
|
---|
50 | function action_plugins_loaded() {
|
---|
51 | if (is_admin()) {
|
---|
52 | require_once(ABSPATH . 'wp-admin/includes/template.php'); // Needed for add_meta_box()
|
---|
53 | add_meta_box('gwo_section', 'Google Website Optimizer', array(&$this, 'meta_box_post'), 'post', 'normal', 'high');
|
---|
54 | add_meta_box('gwo_section', 'Google Website Optimizer', array(&$this, 'meta_box_post'), 'page', 'normal', 'high');
|
---|
55 | add_action('save_post', array(&$this, 'action_save_post'), 1, 2);
|
---|
56 | } else {
|
---|
57 | add_action('template_redirect', array(&$this, 'action_template_redirect'));
|
---|
58 | }
|
---|
59 | }
|
---|
60 |
|
---|
61 | function action_wp_head() {
|
---|
62 | echo('<meta name="generator" content="Google Website Optimizer for WordPress - http://www.masteringlandingpages.com/gwo4wp" />');
|
---|
63 | if ($this->control_in_head) {
|
---|
64 | echo($this->control_script);
|
---|
65 | }
|
---|
66 | }
|
---|
67 |
|
---|
68 | function action_template_redirect() {
|
---|
69 |
|
---|
70 | if (is_single() || is_page()) {
|
---|
71 | global $post;
|
---|
72 | $options = get_post_meta($post->ID, $this->meta, true);
|
---|
73 | if (isset($options['enabled']) && $options['enabled']) {
|
---|
74 |
|
---|
75 | add_action('wp_head', array(&$this, 'action_wp_head'));
|
---|
76 |
|
---|
77 | $this->control_script = isset($options['control_script']) ? trim($options['control_script']) : '';
|
---|
78 | $this->tracking_script = isset($options['tracking_script']) ? trim($options['tracking_script']) : '';
|
---|
79 | $this->conversion_script = isset($options['conversion_script']) ? trim($options['conversion_script']) : '';
|
---|
80 |
|
---|
81 | ob_start(array(&$this, 'ob_start_callback'));
|
---|
82 |
|
---|
83 | }
|
---|
84 | }
|
---|
85 |
|
---|
86 | }
|
---|
87 |
|
---|
88 | function ob_start_callback($content) {
|
---|
89 | if (!$this->control_in_head) {
|
---|
90 | $html = $this->control_script;
|
---|
91 | if ($html != '') {
|
---|
92 | $content = preg_replace('#<body[^>]*>#si', "$0\r\n{$html}\r\n", $content);
|
---|
93 | }
|
---|
94 | }
|
---|
95 | $html = trim($this->tracking_script . "\r\n" . $this->conversion_script);
|
---|
96 | if ($html != '') {
|
---|
97 | $content = preg_replace('#</body[^>]*>#si', "\r\n{$html}\r\n$0", $content);
|
---|
98 | }
|
---|
99 | return $content;
|
---|
100 | }
|
---|
101 |
|
---|
102 | function action_save_post($post_id, $post) {
|
---|
103 | if ($post->post_type != 'revision') {
|
---|
104 | $options = array();
|
---|
105 | $options['enabled'] = isset($_POST['enable_gwo']) && ($_POST['enable_gwo'] == '1');
|
---|
106 | $options['control_script'] = isset($_POST['control_script']) ? trim($_POST['control_script']) : '';
|
---|
107 | $options['tracking_script'] = isset($_POST['tracking_script']) ? trim($_POST['tracking_script']) : '';
|
---|
108 | $options['conversion_script'] = isset($_POST['conversion_script']) ? trim($_POST['conversion_script']) : '';
|
---|
109 | if (!update_post_meta($post->ID, $this->meta, $options)) {
|
---|
110 | add_post_meta($post->ID, $this->meta, $options);
|
---|
111 | }
|
---|
112 | }
|
---|
113 | }
|
---|
114 |
|
---|
115 | function meta_box_post() {
|
---|
116 |
|
---|
117 | global $post;
|
---|
118 | $options = get_post_meta($post->ID, $this->meta, true);
|
---|
119 |
|
---|
120 | if (is_array($options)) {
|
---|
121 | $options['enabled'] = isset($options['enabled']) ? (bool)$options['enabled'] : false;
|
---|
122 | $options['control_script'] = isset($options['control_script']) ? trim($options['control_script']) : '';
|
---|
123 | $options['tracking_script'] = isset($options['tracking_script']) ? trim($options['tracking_script']) : '';
|
---|
124 | $options['conversion_script'] = isset($options['conversion_script']) ? trim($options['conversion_script']) : '';
|
---|
125 | } else {
|
---|
126 | $options['enabled'] = false;
|
---|
127 | $options['control_script'] = '';
|
---|
128 | $options['tracking_script'] = '';
|
---|
129 | $options['conversion_script'] = '';
|
---|
130 | }
|
---|
131 |
|
---|
132 | $url = get_bloginfo('wpurl') . '/' . PLUGINDIR . '/' . dirname(plugin_basename(__FILE__));
|
---|
133 |
|
---|
134 | ?>
|
---|
135 | <table border="0" width="100%">
|
---|
136 | <tr>
|
---|
137 | <td colspan="2">To use this plugin you must register a <a href="http://www.google.com/websiteoptimizer" target="_blank">Google Website Optimizer</a> account. It's free.</td>
|
---|
138 | </tr>
|
---|
139 | <tr>
|
---|
140 | <td colspan="2"> </td>
|
---|
141 | </tr>
|
---|
142 | <tr>
|
---|
143 | <td colspan="2"><input type="checkbox" name="enable_gwo" value="1" <?php if ($options['enabled']) { echo('checked="checked"'); } ?> /> <label for="enable_gwo">Enable the Google Website Optimizer support for this page/post.</label></td>
|
---|
144 | </tr>
|
---|
145 | <tr>
|
---|
146 | <td colspan="2"> </td>
|
---|
147 | </tr>
|
---|
148 | <tr>
|
---|
149 | <td> </td>
|
---|
150 | <td><label for="control_script" style="color: #CC6600; font-weight: bold;">Control Script</label></td>
|
---|
151 | </tr>
|
---|
152 | <tr>
|
---|
153 | <td width="35" valign="top"><img src="<?php echo($url); ?>/control_script.gif" align="Control Script" width="30" height="37" /></td>
|
---|
154 | <td><textarea rows="2" cols="40" name="control_script" tabindex="5" id="control_script" style="width: 98%"><?php echo(htmlentities($options['control_script'])); ?></textarea>
|
---|
155 | <br/>
|
---|
156 | <span style="font-size: 11px">Insert here the <strong style="color: #CC6600;">Control Script</strong> provided by the Google Website Optimizer. <br/>
|
---|
157 | You must fill this field only if this page/post is your <strong>Original page</strong>.</span> </td>
|
---|
158 | </tr>
|
---|
159 | <tr>
|
---|
160 | <td colspan="2"> </td>
|
---|
161 | </tr>
|
---|
162 | <tr>
|
---|
163 | <td> </td>
|
---|
164 | <td><label for="tracking_script" style="color: #006600; font-weight: bold;">Tracking Script</label></td>
|
---|
165 | </tr>
|
---|
166 | <tr>
|
---|
167 | <td width="35" valign="top"><img src="<?php echo($url); ?>/tracking_script.gif" align="Tracking Script" width="30" height="37" /></td>
|
---|
168 | <td><textarea rows="2" cols="40" name="tracking_script" tabindex="5" id="tracking_script" style="width: 98%"><?php echo(htmlentities($options['tracking_script'])); ?></textarea>
|
---|
169 | <br/>
|
---|
170 | <span style="font-size: 11px">Insert here the <strong style="color: #006600;">Tracking Script</strong> provided by the Google Website Optimizer. <br/>
|
---|
171 | You must fill this field only if this page/post is your <strong>Original page</strong> or a <strong>Variation page</strong>.</span> </td>
|
---|
172 | </tr>
|
---|
173 | <tr>
|
---|
174 | <td colspan="2"> </td>
|
---|
175 | </tr>
|
---|
176 | <tr>
|
---|
177 | <td> </td>
|
---|
178 | <td><label for="conversion_script" style="color: #660000; font-weight: bold;">Conversion Script</label></td>
|
---|
179 | </tr>
|
---|
180 | <tr>
|
---|
181 | <td width="35" valign="top"><img src="<?php echo($url); ?>/conversion_script.gif" align="Conversion Script" width="30" height="37" /></td>
|
---|
182 | <td><textarea rows="2" cols="40" name="conversion_script" tabindex="5" id="conversion_script" style="width: 98%"><?php echo(htmlentities($options['conversion_script'])); ?></textarea>
|
---|
183 | <br/>
|
---|
184 | <span style="font-size: 11px">Insert here the <strong style="color: #660000;">Conversion Script</strong> provided by the Google Website Optimizer. <br/>
|
---|
185 | You must fill this field only if this page/post is your <strong>Conversion page</strong>.</span> </td>
|
---|
186 | </tr>
|
---|
187 | </table>
|
---|
188 | <?php
|
---|
189 | }
|
---|
190 |
|
---|
191 | }
|
---|
192 |
|
---|
193 | $gwo = new GW04WP(GWO_META_NAME, GWO_CONTROL_IN_HEAD);
|
---|
194 |
|
---|
195 | ?> |
---|