126 lines
4.5 KiB
PHP
126 lines
4.5 KiB
PHP
<?php
|
|
/*
|
|
Plugin Name: Keyboard Navigation
|
|
Plugin URI: http://www.coswellproductions.com/wordpress/wordpress-plugins/
|
|
Description: Attach keyboard navigation to blog entries.
|
|
Version: 1.0
|
|
Author: John Bintz
|
|
Author URI: http://www.coswellproductions.org/wordpress/
|
|
|
|
Copyright 2008-2009 John Bintz (email : jcoswell@coswellproductions.org)
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
*/
|
|
|
|
class KeyboardNavigation {
|
|
function init() {
|
|
wp_enqueue_script('prototype');
|
|
|
|
add_action('wp_footer', array(&$this, "wp_footer"));
|
|
add_action('admin_menu', array(&$this, "admin_menu"));
|
|
add_action('admin_head', array(&$this, "admin_head"));
|
|
|
|
$this->messages = array();
|
|
$this->fields = array(
|
|
'previous' => __("Previous [Left arrow]", 'keyboard-navigation'),
|
|
'next' => __("Next [Right arrow]", 'keyboard-navigation'),
|
|
'first' => __("First [Shift-Left arrow]", 'keyboard-navigation'),
|
|
'last' => __("Last [Shift-Right arrow]", 'keyboard-navigation'),
|
|
);
|
|
|
|
if (isset($_POST['kbnav'])) {
|
|
if (is_array($_POST['kbnav'])) {
|
|
if (isset($_POST['kbnav']['_nonce'])) {
|
|
if (wp_verify_nonce($_POST['kbnav']['_nonce'], 'keyboard-navigation')) {
|
|
if (isset($_POST['kbnav']['module'])) {
|
|
$method = "handle_update_" . $_POST['kbnav']['module'];
|
|
if (method_exists($this, $method)) { $this->{$method}($_POST['kbnav']); }
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function handle_update_options($info) {
|
|
$options = array();
|
|
|
|
foreach (array('selectors', 'highlight') as $field) {
|
|
if (isset($info[$field])) { $options[$field] = $info[$field]; }
|
|
}
|
|
|
|
update_option('keyboard-navigation-options', $options);
|
|
|
|
$this->messages[] = __('Options updated.', 'keyboard-navigation');
|
|
}
|
|
|
|
function KeyboardNavigation() {}
|
|
|
|
function wp_footer() {
|
|
$plugin_dir_url = plugin_dir_url(__FILE__);
|
|
$options = get_option('keyboard-navigation-options');
|
|
$nonce = wp_create_nonce('keyboard-navigation');
|
|
$options = get_option('keyboard-navigation-options');
|
|
if (!is_array($options)) { $options = array(); }
|
|
|
|
?><script type="text/javascript">
|
|
var s = document.createElement('script');
|
|
s.src = '<?php echo $plugin_dir_url . 'keyboard-navigation.js' ?>';
|
|
s.onload = function() {
|
|
var keyboard_navigation_fields = {};
|
|
<?php foreach (array_keys($this->fields) as $field) {
|
|
if (!empty($options['selectors'][$field])) { ?>
|
|
keyboard_navigation_fields['<?php echo $field ?>'] = "<?php echo addslashes($options['selectors'][$field]) ?>";
|
|
<?php }
|
|
} ?>
|
|
|
|
var highlight_selectors = <?php echo (current_user_can('edit_themes') && $options['highlight']) ? "true" : "false" ?>;
|
|
|
|
var results = KeyboardNavigation.get_hrefs(keyboard_navigation_fields, highlight_selectors);
|
|
if (results != false) { KeyboardNavigation.add_events(results); }
|
|
};
|
|
document.getElementsByTagName('body')[0].appendChild(s);
|
|
</script>
|
|
<?php }
|
|
|
|
function admin_menu() {
|
|
add_options_page('Keyboard Navigation', __("Keyboard Navigation", 'keyboard-navigation'), 'edit_themes', 'keyboard-navigation', array($this, "link_editor"));
|
|
}
|
|
|
|
function admin_head() {
|
|
global $plugin_page;
|
|
|
|
if ($plugin_page == plugin_basename(dirname(__FILE__))) {
|
|
echo '<link rel="stylesheet" href="' . plugin_dir_url(__FILE__) . '/styles.css" type="text/css" />';
|
|
}
|
|
}
|
|
|
|
function link_editor() {
|
|
$plugin_dir_url = plugin_dir_url(__FILE__);
|
|
$nonce = wp_create_nonce('keyboard-navigation');
|
|
$options = get_option('keyboard-navigation-options');
|
|
if (!is_array($options)) { $options = array(); }
|
|
|
|
$plugin_data = get_plugin_data(__FILE__);
|
|
|
|
include(dirname(__FILE__) . '/admin.inc');
|
|
}
|
|
}
|
|
|
|
$keyboard_navigation = new KeyboardNavigation();
|
|
add_action('init', array(&$keyboard_navigation, 'init'));
|
|
|
|
?>
|