WP External Links (nofollow new tab seo) - Version 0.10

Version Description

  • Features: opening in a new window, set link icon, set "external", set "nofollow", set css-class
  • Replaces external links by clean XHTML tags
  • Internalization implemented (no language files yet)

=

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Release Info

Developer freelancephp
Plugin Icon 128x128 WP External Links (nofollow new tab seo)
Version 0.10
Comparing to
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Version 0.10

Files changed (18) hide show
  1. images/external-1.png +0 -0
  2. images/external-10.png +0 -0
  3. images/external-11.png +0 -0
  4. images/external-2.png +0 -0
  5. images/external-3.png +0 -0
  6. images/external-4.png +0 -0
  7. images/external-5.png +0 -0
  8. images/external-6.png +0 -0
  9. images/external-7.png +0 -0
  10. images/external-8.png +0 -0
  11. images/external-9.png +0 -0
  12. images/icon.png +0 -0
  13. images/link-icon-example.png +0 -0
  14. js/external-links.js +31 -0
  15. readme.txt +46 -0
  16. screenshot-1.png +0 -0
  17. screenshot-2.png +0 -0
  18. wp-external-links.php +359 -0
images/external-1.png ADDED
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images/link-icon-example.png ADDED
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js/external-links.js ADDED
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1
+ // New Window Links Plugin
2
+ function setExternalLinks() {
3
+ var links = document.getElementsByTagName( 'a' ),
4
+ glob = window.globNewWindowLinks || {};
5
+
6
+ for ( var i = 0; i < links.length; i++ ){
7
+ var a = links[ i ],
8
+ href = a.href ? a.href.toLowerCase() : '',
9
+ rel = a.rel ? a.rel.toLowerCase() : '';
10
+
11
+ if ( a.href && ( rel.indexOf( 'external' ) > -1
12
+ || ( href.indexOf( glob.baseUrl ) === -1 &&
13
+ ( href.substr( 0, 7 ) == 'http://'
14
+ || href.substr( 0, 8 ) == 'https://'
15
+ || href.substr( 0, 6 ) == 'ftp://' ) ) ) ) {
16
+
17
+ // set target blank
18
+ a.target = '_blank';
19
+ }
20
+ }
21
+ }
22
+
23
+ if ( typeof jQuery == 'undefined' ) {
24
+ window.onload = function() {
25
+ setExternalLinks();
26
+ }
27
+ } else {
28
+ jQuery(function(){
29
+ setExternalLinks();
30
+ });
31
+ }
readme.txt ADDED
@@ -0,0 +1,46 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ === WP External Links ===
2
+ Contributors: freelancephp
3
+ Tags: links, external, new window, icon, target, _blank, _new, rel, nofollow, javascript, xhtml strict
4
+ Requires at least: 2.7.0
5
+ Tested up to: 3.1.0
6
+ Stable tag: 0.10
7
+
8
+ Manage the external links on your site: opening in a new window, set link icon, set "external", set "nofollow", set css-class.
9
+
10
+ == Description ==
11
+
12
+ Manage the external links on your site.
13
+
14
+ = Features =
15
+ * Opening external links in a new window
16
+ * Adding "external" and/or "nofollow" value to rel-attribute
17
+ * Choose an icon for external links
18
+ * Add a css Class-name
19
+ * Unobtrusive JavaScript method wich is XHTML Strict compliant
20
+ * Supports PHP4.3+ and up to latest WP version
21
+
22
+ Also see info at [FreelancePHP.net](http://www.freelancephp.net/wp-external-links-plugin)
23
+
24
+ == Installation ==
25
+
26
+ 1. Upload `new-window-links.zip` to the `/wp-content/plugins/` directory or add the plugin with 'Add Plugins' in the admin menu
27
+ 1. Be sure the plugin is activated in the Plugin-list
28
+
29
+ == Frequently Asked Questions ==
30
+
31
+ [Do you have a question? Please ask me](http://www.freelancephp.net/contact/)
32
+
33
+ == Screenshots ==
34
+
35
+ 1. Admin Settings Page
36
+ 1. Icon on the Site
37
+
38
+ == Changelog ==
39
+
40
+ = 0.10 =
41
+ * Features: opening in a new window, set link icon, set "external", set "nofollow", set css-class
42
+ * Replaces external links by clean XHTML <a> tags
43
+ * Internalization implemented (no language files yet)
44
+
45
+ == Other notes ==
46
+ * Title icon on Admin Options Page was made by [FatCow Web Hosting](http://www.fatcow.com/) taken form [iconfinder](http://findicons.com/icon/164579/link_go?id=427009)
screenshot-1.png ADDED
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screenshot-2.png ADDED
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wp-external-links.php ADDED
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1
+ <?php
2
+ /*
3
+ Plugin Name: WP External Links
4
+ Plugin URI: http://www.freelancephp.net/
5
+ Description: Manage the external links on your site: opening in a new window, set link icon, set "external", set "nofollow", set css-class.
6
+ Author: Victor Villaverde Laan
7
+ Version: 0.10
8
+ Author URI: http://www.freelancephp.net
9
+ License: Dual licensed under the MIT and GPL licenses
10
+ */
11
+
12
+ /**
13
+ * Class WP_External_Links
14
+ * @category WordPress Plugins
15
+ */
16
+ class WP_External_Links {
17
+
18
+ /**
19
+ * Used as prefix for options entry and could be used as text domain (for translations)
20
+ * @var string
21
+ */
22
+ var $domain = 'WP_External_Links';
23
+
24
+ /**
25
+ * @var string
26
+ */
27
+ var $options_name = 'WP_External_Links_options';
28
+
29
+ /**
30
+ * @var array
31
+ */
32
+ var $options = array(
33
+ 'target_blank' => 1,
34
+ 'external' => TRUE,
35
+ 'nofollow' => TRUE,
36
+ 'icon' => 1,
37
+ 'class_name' => 'external-link',
38
+ );
39
+
40
+ /**
41
+ * PHP4 constructor
42
+ */
43
+ function WP_External_Links() {
44
+ $this->__construct();
45
+ }
46
+
47
+ /**
48
+ * PHP5 constructor
49
+ */
50
+ function __construct() {
51
+ // set option values
52
+ $this->_set_options();
53
+
54
+ // load text domain for translations
55
+ load_plugin_textdomain( $this->domain, dirname( __FILE__ ) . '/lang/', basename( dirname(__FILE__) ) . '/lang/' );
56
+
57
+ // add actions
58
+ add_action( 'init', array( $this, 'init' ), 10000 );
59
+ add_action( 'admin_init', array( $this, 'admin_init' ), 10000 );
60
+ add_action( 'admin_menu', array( $this, 'admin_menu' ), 10000 );
61
+
62
+ // add filters
63
+ add_action( 'wp', array( $this, 'wp' ), 10000 );
64
+
65
+ // set uninstall hook
66
+ if ( function_exists( 'register_deactivation_hook' ) )
67
+ register_deactivation_hook( __FILE__, array( $this, 'deactivation' ));
68
+ }
69
+
70
+ /**
71
+ * Callback wp
72
+ */
73
+ function wp() {
74
+ if ( ! is_admin() && ! is_feed() ) {
75
+ ob_start( array( $this, 'filter_content' ) );
76
+ }
77
+ }
78
+
79
+ /**
80
+ * Callback admin_menu
81
+ */
82
+ function admin_menu() {
83
+ if ( function_exists( 'add_options_page' ) AND current_user_can( 'manage_options' ) ) {
84
+ // add options page
85
+ $page = add_options_page( 'External Links', 'External Links',
86
+ 'manage_options', __FILE__, array( $this, 'options_page' ) );
87
+ }
88
+ }
89
+
90
+ /**
91
+ * Callback init
92
+ */
93
+ function init() {
94
+ if ( ! is_admin() ) {
95
+ // add wp_head for setting js vars and css style
96
+ add_action( 'wp_head', array( $this, 'wp_head' ) );
97
+
98
+ // set js file
99
+ if ( $this->options[ 'target_blank' ] == 2 ) {
100
+ wp_enqueue_script( 'external-links', plugins_url( 'js/external-links.js', __FILE__ ), array( 'jquery' ) );
101
+ }
102
+ }
103
+ }
104
+
105
+ /**
106
+ * Callback wp_head
107
+ */
108
+ function wp_head() {
109
+ ?>
110
+ <?php if ( $this->options[ 'target_blank' ] == 2 ): ?>
111
+ <!-- JS External Links Plugin -->
112
+ <script language="javascript">
113
+ /* <![CDATA[ */
114
+ var globNewWindowLinks = {
115
+ baseUrl: '<?php echo get_bloginfo( 'url' ) ?>',
116
+ class_name: '<?php echo $this->options[ 'class_name' ] ?>'
117
+ };
118
+ /* ]]> */
119
+ </script>
120
+ <!-- /JS External Links Plugin -->
121
+ <?php endif; ?>
122
+ <?php if ( $this->options[ 'class_name' ] AND $this->options[ 'icon' ] > 0 ): ?>
123
+ <!-- Style External Links Plugin -->
124
+ <style type="text/css">
125
+ .<?php echo $this->options[ 'class_name' ] ?> {
126
+ background: url( <?php echo plugins_url( 'images/external-'. $this->options[ 'icon' ] .'.png', __FILE__ ) ?> ) no-repeat right center;
127
+ padding-right: 15px;
128
+ };
129
+ </style>
130
+ <!-- /Style External Links Plugin -->
131
+ <?php endif; ?>
132
+ <?php
133
+ }
134
+
135
+ /**
136
+ * Filter content
137
+ */
138
+ function filter_content( $content ) {
139
+ $a_pattern = '/<[aA](.*?)>(.*?)<\/[aA][\s+]*>/i';
140
+ return preg_replace_callback( $a_pattern, array( $this, 'parse_link' ), $content );
141
+ }
142
+
143
+ function parse_link( $match ) {
144
+ $attrs = shortcode_parse_atts( $match[ 1 ] );
145
+
146
+ $href_tolower = strtolower( $attrs[ 'href' ] );
147
+ $rel_tolower = ( isset( $attrs[ 'rel' ] ) ) ? strtolower( $attrs[ 'rel' ] ) : '';
148
+
149
+ // check url
150
+ if ( isset( $attrs[ 'href' ] ) AND ( strpos( $rel_tolower, 'external' ) !== FALSE
151
+ OR ( strpos( $href_tolower, strtolower( get_bloginfo( 'url' ) ) ) === FALSE )
152
+ AND ( substr( $href_tolower, 0, 7 ) == 'http://'
153
+ OR substr( $href_tolower, 0, 8 ) == 'https://'
154
+ OR substr( $href_tolower, 0, 6 ) == 'ftp://' ) ) ){
155
+ // set rel="external" (when not already set)
156
+ if ( $this->options[ 'external' ] AND strpos( $rel_tolower, 'external' ) === FALSE ){
157
+ $attrs[ 'rel' ] = ( empty( $attrs[ 'rel' ] ) )
158
+ ? 'external'
159
+ : $attrs[ 'rel' ] .' external';
160
+ }
161
+
162
+ // set rel="nofollow" when doesn't have "follow" (or already "nofollow")
163
+ if ( $this->options[ 'nofollow' ] AND strpos( $rel_tolower, 'follow' ) === FALSE ){
164
+ $attrs[ 'rel' ] = ( empty( $attrs[ 'rel' ] ) )
165
+ ? 'nofollow'
166
+ : $attrs[ 'rel' ] .' nofollow';
167
+ }
168
+
169
+ // set class
170
+ if ( ! empty( $this->options[ 'class_name' ] ) AND ( empty( $attrs[ 'class' ] ) OR strpos( $attrs[ 'class' ], $this->options[ 'class_name' ] ) === FALSE ) ){
171
+ $attrs[ 'class' ] = ( empty( $attrs[ 'class' ] ) )
172
+ ? $this->options[ 'class_name' ]
173
+ : $attrs[ 'class' ] .' '. $this->options[ 'class_name' ];
174
+ }
175
+
176
+ // set target="_blank"
177
+ if ( $this->options[ 'target_blank' ] == 1 )
178
+ $attrs[ 'target' ] = '_blank';
179
+ }
180
+
181
+
182
+ // create element code
183
+ $link = '<a ';
184
+
185
+ foreach ( $attrs AS $key => $value )
186
+ $link .= $key .'="'. $value .'" ';
187
+
188
+ // remove last space
189
+ $link = substr( $link, 0, -1 );
190
+
191
+ $link .= '>'. $match[ 2 ] .'</a>';
192
+
193
+ return $link;
194
+ }
195
+
196
+ /**
197
+ * Callback admin_init
198
+ */
199
+ function admin_init() {
200
+ // register settings
201
+ register_setting( $this->domain, $this->options_name );
202
+
203
+ // set dashboard postbox
204
+ wp_admin_css( 'dashboard' );
205
+ wp_enqueue_script( 'dashboard' );
206
+ }
207
+
208
+ /**
209
+ * Admin options page
210
+ */
211
+ function options_page() {
212
+ ?>
213
+ <div class="wrap">
214
+ <div class="icon32" id="icon-options-custom" style="background:url( <?php echo plugins_url( 'images/icon.png', __FILE__ ) ?> ) no-repeat 50% 50%"><br></div>
215
+ <h2>External Links</h2>
216
+
217
+ <form method="post" action="options.php">
218
+ <?php
219
+ settings_fields( $this->domain );
220
+ $this->_set_options();
221
+ $options = $this->options;
222
+ ?>
223
+
224
+ <div class="postbox-container metabox-holder meta-box-sortables" style="width:69%;">
225
+ <div style="margin:0 5px;">
226
+ <div class="postbox">
227
+ <div class="handlediv" title="<?php _e( 'Click to toggle' ) ?>"><br/></div>
228
+ <h3 class="hndle"><?php _e( 'Settings' ) ?></h3>
229
+ <div class="inside">
230
+ <fieldset class="options">
231
+ <h4><?php _e( 'External links', $this->domain ) ?></h4>
232
+ <table class="form-table">
233
+ <tr>
234
+ <th><?php _e( 'Open in new window', $this->domain ) ?></th>
235
+ <td><label><input type="radio" name="<?php echo $this->options_name ?>[target_blank]" value="0" <?php checked('0', (int) $options['target_blank']); ?> />
236
+ <span><?php _e( 'No, open external links in same window', $this->domain ) ?></span></label>
237
+ <br/><label><input type="radio" name="<?php echo $this->options_name ?>[target_blank]" value="1" <?php checked('1', (int) $options['target_blank']); ?> />
238
+ <span><?php _e( 'Yes, add <code>target="_blank"</code> to external links', $this->domain ) ?></span></label>
239
+ <br/><label><input type="radio" name="<?php echo $this->options_name ?>[target_blank]" value="2" <?php checked('2', (int) $options['target_blank']); ?> />
240
+ <span><?php _e( 'Yes, by using JavaScript (unobtrusive and XHTML Strict compliant)', $this->domain ) ?></span></label>
241
+ </td>
242
+ </tr>
243
+ <tr>
244
+ <th><?php _e( 'Add "external"', $this->domain ) ?></th>
245
+ <td><label><input type="checkbox" id="<?php echo $this->options_name ?>[external]" name="<?php echo $this->options_name ?>[external]" value="1" <?php checked('1', (int) $options['external']); ?> />
246
+ <span><?php _e( 'Automatically add "external" to the rel-attribute of external links <code>rel="external"</code>', $this->domain ) ?></span></label>
247
+ </td>
248
+ </tr>
249
+ <tr>
250
+ <th><?php _e( 'Add "nofollow"', $this->domain ) ?></th>
251
+ <td><label><input type="checkbox" id="<?php echo $this->options_name ?>[nofollow]" name="<?php echo $this->options_name ?>[nofollow]" value="1" <?php checked('1', (int) $options['nofollow']); ?> />
252
+ <span><?php _e( 'Automatically add "nofollow" to the rel-attribute of external links <code>rel="nofollow"</code> (except to links that already contain "follow")', $this->domain ) ?></span></label>
253
+ </td>
254
+ </tr>
255
+ </table>
256
+
257
+ <h4><?php _e( 'Styling', $this->domain ) ?></h4>
258
+ <table class="form-table">
259
+ <tr>
260
+ <th><?php _e( 'Classname', $this->domain ) ?></th>
261
+ <td><label><input type="text" id="<?php echo $this->options_name ?>[class_name]" name="<?php echo $this->options_name ?>[class_name]" value="<?php echo $options['class_name']; ?>" />
262
+ <span><?php _e( 'Add this classname to external links (or leave blank)', $this->domain ) ?></span></label></td>
263
+ </tr>
264
+ <tr>
265
+ <th><?php _e( 'Show icon', $this->domain ) ?>
266
+ </th>
267
+ <td>
268
+ <div style="width:74%;float:right"><?php _e( 'Icon Example:', $this->domain ) ?>
269
+ <br/>
270
+ <br/><img src="<?php echo plugins_url( 'images/link-icon-example.png', __FILE__ ) ?>" />
271
+ <br/>
272
+ <br/><span class="description"><?php _e( 'Note: icon only works if classname is given', $this->domain ) ?></span>
273
+ </div>
274
+ <div style="width:25%;float:left">
275
+ <label><input type="radio" name="<?php echo $this->options_name ?>[icon]" value="0" <?php checked('0', (int) $options['icon']); ?> />
276
+ <span><?php _e( 'No icon', $this->domain ) ?></span></label>
277
+ <?php for ( $x = 1; $x <= 11; $x++ ): ?>
278
+ <br/><label><input type="radio" name="<?php echo $this->options_name ?>[icon]" value="<?php echo $x ?>" <?php checked( $x, (int) $options['icon'] ); ?> />
279
+ <img src="<?php echo plugins_url( 'images/external-'. $x .'.png', __FILE__ ) ?>" /></label>
280
+ <?php endfor; ?>
281
+ </div>
282
+ </td>
283
+ </tr>
284
+ </table>
285
+ </fieldset>
286
+ <p class="submit">
287
+ <input class="button-primary" type="submit" value="<?php _e( 'Save Changes' ) ?>" />
288
+ </p>
289
+ </div>
290
+ </div>
291
+ </div>
292
+ </div>
293
+
294
+ <div class="postbox-container metabox-holder meta-box-sortables" style="width:29%;">
295
+ <div style="margin:0 5px;">
296
+ <div class="postbox">
297
+ <div class="handlediv" title="<?php _e( 'Click to toggle' ) ?>"><br/></div>
298
+ <h3 class="hndle"><?php _e( 'About' ) ?> WP External Links</h3>
299
+ <div class="inside">
300
+ <ul>
301
+ <li><a href="<?php echo plugins_url( 'readme.txt', __FILE__ ) ?>" target="_blank">readme.txt</a></li>
302
+ <li><a href="http://www.freelancephp.net/wp-external-links-plugin/" target="_blank"><?php _e( 'Plugin page on ', $this->domain ) ?> FreelancePHP.net</a></li>
303
+ <li><a href="http://wordpress.org/extend/plugins/wp-external-links/" target="_blank"><?php _e( 'Plugin page on ', $this->domain ) ?> WordPress.org</a></li>
304
+ <li><a href="http://www.freelancephp.net/contact/" target="_blank"><?php _e( 'Contact the author', $this->domain ) ?></a></li>
305
+ </ul>
306
+ </div>
307
+ </div>
308
+
309
+ <div class="postbox">
310
+ <div class="handlediv" title="<?php _e( 'Click to toggle' ) ?>"><br/></div>
311
+ <h3 class="hndle"><?php _e( 'Other Plugins', $this->domain ) ?></h3>
312
+ <div class="inside">
313
+ <ul>
314
+ <li><a href="http://www.freelancephp.net/email-encoder-php-class-wp-plugin/" target="_blank">WP Email Encoder Bundle</a></li>
315
+ </ul>
316
+ </div>
317
+ </div>
318
+ </div>
319
+ </div>
320
+ </form>
321
+ <div class="clear"></div>
322
+ </div>
323
+ <?php
324
+ }
325
+
326
+ /**
327
+ * Deactivation plugin method
328
+ */
329
+ function deactivation() {
330
+ delete_option( $this->options_name );
331
+ unregister_setting( $this->domain, $this->options_name );
332
+ }
333
+
334
+ /**
335
+ * Set options from save values or defaults
336
+ */
337
+ function _set_options() {
338
+ // set options
339
+ $saved_options = get_option( $this->options_name );
340
+
341
+ if ( ! empty( $saved_options ) ) {
342
+ // set saved option values
343
+ $this->options['target_blank'] = $saved_options['target_blank'];
344
+ $this->options['external'] = ! empty( $saved_options['external'] );
345
+ $this->options['nofollow'] = ! empty( $saved_options['nofollow'] );
346
+ $this->options['icon'] = $saved_options['icon'];
347
+ $this->options['class_name'] = $saved_options['class_name'];
348
+ }
349
+ }
350
+
351
+ } // end class WP_External_Links
352
+
353
+
354
+ /**
355
+ * Create WP_External_Links instance
356
+ */
357
+ $WP_External_Links = new WP_External_Links;
358
+
359
+ ?>