'External links',
'description' => 'Alter the display of external links on the site.',
'page callback' => 'drupal_get_form',
'page arguments' => array('extlink_admin_settings'),
'access callback' => 'user_access',
'access arguments' => array('administer site configuration'),
);
return $items;
}
/**
* Implementation of hook_init().
*/
function extlink_init() {
$path = drupal_get_path('module', 'extlink');
$settings = array(
'extTarget' => variable_get('extlink_target', 0),
'extClass' => variable_get('extlink_class', 'ext'),
'extSubdomains' => variable_get('extlink_subdomains', 1),
'extExclude' => variable_get('extlink_exclude', ''),
'extInclude' => variable_get('extlink_include', ''),
'extAlert' => variable_get('extlink_alert', 0),
'extAlertText' => variable_get('extlink_alert_text', NULL),
'mailtoClass' => variable_get('extlink_mailto_class', 'mailto'),
);
// The default alert text must be translated separately to avoid caching.
if ($settings['extAlertText'] === NULL) {
$settings['extAlertText'] = t('This link will take you to an external web site. We are not responsible for their content.');
}
drupal_add_js($path . '/extlink.js');
drupal_add_js(array('extlink' => $settings), 'setting');
if (variable_get('extlink_class', 'ext') == 'ext' || variable_get('extlink_mailto_class', 'mailto') == 'mailto') {
drupal_add_css($path . '/extlink.css');
}
}
function extlink_admin_settings() {
$form = array();
$form['extlink_class'] = array(
'#type' => 'checkbox',
'#title' => t('Add icon to external links'),
'#return_value' => 'ext',
'#default_value' => variable_get('extlink_class', 'ext'),
'#description' => t('Places an !icon icon next to external links.', array('!icon' => theme_image(drupal_get_path('module', 'extlink') .'/extlink.png'))),
);
$form['extlink_mailto_class'] = array(
'#type' => 'checkbox',
'#title' => t('Add icon to mailto links'),
'#return_value' => 'mailto',
'#default_value' => variable_get('extlink_mailto_class', 'mailto'),
'#description' => t('Places an !icon icon next to mailto links.', array('!icon' => theme_image(drupal_get_path('module', 'extlink') .'/mailto.png'))),
);
$form['extlink_subdomains'] = array(
'#type' => 'checkbox',
'#title' => t('Consider subdomains internal'),
'#default_value' => variable_get('extlink_subdomains', 1),
'#description' => t('If checked, links with the same primary domain will all be considered internal. A link from www.example.com to my.example.com would be considered internal. Links between the www. and non-www. domain are always considered internal.'),
);
$form['extlink_target'] = array(
'#type' => 'checkbox',
'#title' => t('Open external links in a new window'),
'#return_value' => '_blank',
'#default_value' => variable_get('extlink_target', 0),
'#description' => t('Should all external links be opened in a new window?'),
);
$form['extlink_alert'] = array(
'#type' => 'checkbox',
'#title' => t('Display pop-up warnings'),
'#return_value' => '_blank',
'#default_value' => variable_get('extlink_alert', 0),
'#description' => t('Displays a pop-up warning when any external link is clicked.'),
);
// The default alert text must be translated separately to avoid caching.
$extlink_alert_text = variable_get('extlink_alert_text', NULL);
if ($extlink_alert_text === NULL) {
$extlink_alert_text = t('This link will take you to an external web site. We are not responsible for their content.');
}
$form['extlink_alert_text'] = array(
'#type' => 'textarea',
'#rows' => 3,
'#title' => t('Pop-up warning text'),
'#default_value' => $extlink_alert_text,
'#description' => t('Text to display in the pop-up external link warning box.'),
'#wysiwyg' => FALSE,
);
$patterns = array(
'(example\.com) ' . t('Matches example.com.'),
'(example\.com)|(example.net) ' . t('Multiple patterns can be strung together by using a pipe. Matches example.com OR example.net.'),
'(links/goto/[0-9]+/[0-9]+) ' . t('Matches links that go through the Links module redirect.'),
);
$wildcards = array(
'. ' . t('Matches any character.'),
'? ' . t('The previous character or set is optional.'),
'\d ' . t('Matches any digit (0-9).'),
'[a-z] ' . t('Brackets may be used to match a custom set of characters. This matches any alphabetic letter.'),
);
$form['patterns'] = array(
'#tree' => FALSE,
'#type' => 'fieldset',
'#title' => t('Pattern matching'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#description' =>
'' . t('External links uses patterns (regular expressions) to match the "href" property of links.') . '
' .
t('Here are some common patterns.') .
theme('item_list', $patterns) .
t('Common special characters:') .
theme('item_list', $wildcards) .
'' . t('All special characters (^ $ . ? ( ) | * +) must also be escaped with backslashes. Patterns are not case-sensitive. Any pattern supported by JavaScript may be used.') . '
',
);
$form['patterns']['extlink_exclude'] = array(
'#type' => 'textfield',
'#title' => t('Exclude links matching the pattern'),
'#maxlength' => NULL,
'#default_value' => variable_get('extlink_exclude', ''),
'#description' => t('Enter a regular expression for links that you wish to exclude from being considered external.'),
);
$form['patterns']['extlink_include'] = array(
'#type' => 'textfield',
'#title' => t('Include links matching the pattern'),
'#maxlength' => NULL,
'#default_value' => variable_get('extlink_include', ''),
'#description' => t('Enter a regular expression for internal links that you wish to be considered external.'),
);
return system_settings_form($form);
}