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<?php
function extlink_menu($may_cache) {
$items = array();
if ($may_cache) {
$items[] = array(
'path' => 'admin/settings/extlink',
'title' => t('External links'),
'description' => t('Alter the display of external links on the site.'),
'callback' => 'drupal_get_form',
'callback arguments' => array(
'extlink_admin_settings',
),
'access' => user_access('administer site configuration'),
);
}
else {
$path = drupal_get_path('module', 'extlink');
drupal_add_js($path . '/extlink.js');
drupal_add_js(array(
'extlink' => 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', 'This link will take you to an external web site. We are not responsible for their content.'),
'mailtoClass' => variable_get('extlink_mailto_class', 'mailto'),
),
), 'setting');
if (variable_get('extlink_class', 'ext') == 'ext' || variable_get('extlink_mailto_class', 'mailto') == 'mailto') {
drupal_add_css($path . '/extlink.css');
}
}
return $items;
}
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.'),
);
$form['extlink_alert_text'] = array(
'#type' => 'textarea',
'#rows' => 3,
'#title' => t('Pop-up warning text'),
'#default_value' => variable_get('extlink_alert_text', 'This link will take you to an external web site. We are not responsible for their content.'),
'#description' => t('Text to display in the pop-up external link warning box.'),
);
$patterns = array(
'<em>(example\\.com)</em> ' . t('Matches example.com.'),
'<em>(example\\.com)|(example.net)</em> ' . t('Multiple patterns can be strung together by using a pipe. Matches example.com OR example.net.'),
'<em>(links/goto/[0-9]+/[0-9]+)</em> ' . t('Matches links that go through the <a href="http://drupal.org/project/links">Links module</a> redirect.'),
);
$wildcards = array(
'<em>.</em> ' . t('Matches any character.'),
'<em>?</em> ' . t('The previous character or set is optional.'),
'<em>\\d</em> ' . t('Matches any digit (0-9).'),
'<em>[a-z]</em> ' . 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' => '<p>' . t('External links uses patterns (regular expressions) to match the "href" property of links.') . '</p>' . t('Here are some common patterns.') . theme('item_list', $patterns) . t('Common special characters:') . theme('item_list', $wildcards) . '<p>' . t('All special characters (<em>^ $ . ? ( ) | * +</em>) must also be escaped with backslashes. Patterns are not case-sensitive. Any <a href="http://www.javascriptkit.com/javatutors/redev2.shtml">pattern supported by JavaScript</a> may be used.') . '</p>',
);
$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);
}
