diff --git a/extlink.js b/extlink.js
index 84e7b17..513a3a8 100644
--- a/extlink.js
+++ b/extlink.js
@@ -1,21 +1,23 @@
-// $Id: extlink.js,v 1.8 2010/05/26 01:25:56 quicksketch Exp $
(function ($) {
-function extlinkAttach(context) {
+Drupal.extlink = Drupal.extlink || {};
+
+Drupal.extlink.attach = function (context, settings) {
// Strip the host name down, removing ports, subdomains, or www.
var pattern = /^(([^\/:]+?\.)*)([^\.:]{4,})((\.[a-z]{1,4})*)(:[0-9]{1,5})?$/;
var host = window.location.host.replace(pattern, '$3$4');
var subdomain = window.location.host.replace(pattern, '$1');
// Determine what subdomains are considered internal.
- if (Drupal.settings.extlink.extSubdomains) {
- var subdomains = "([^/]*\\.)?";
+ var subdomains;
+ if (settings.extlink.extSubdomains) {
+ subdomains = "([^/]*\\.)?";
}
else if (subdomain == 'www.' || subdomain == '') {
- var subdomains = "(www\\.)?";
+ subdomains = "(www\\.)?";
}
else {
- var subdomains = subdomain.replace(".", "\\.");
+ subdomains = subdomain.replace(".", "\\.");
}
// Build regular expressions that define an internal link.
@@ -23,71 +25,64 @@ function extlinkAttach(context) {
// Extra internal link matching.
var extInclude = false;
- if (Drupal.settings.extlink.extInclude) {
- extInclude = new RegExp(Drupal.settings.extlink.extInclude.replace(/\\/, '\\'));
+ if (settings.extlink.extInclude) {
+ extInclude = new RegExp(settings.extlink.extInclude.replace(/\\/, '\\'));
}
// Extra external link matching.
var extExclude = false;
- if (Drupal.settings.extlink.extExclude) {
- extExclude = new RegExp(Drupal.settings.extlink.extExclude.replace(/\\/, '\\'));
+ if (settings.extlink.extExclude) {
+ extExclude = new RegExp(settings.extlink.extExclude.replace(/\\/, '\\'));
}
// Find all links which are NOT internal and begin with http (as opposed
// to ftp://, javascript:, etc. other kinds of links.
- // When operating on the 'this' variable, the host has been appended to
- // all links by the browser, even local ones.
// In jQuery 1.1 and higher, we'd use a filter method here, but it is not
// available in jQuery 1.0 (Drupal 5 default).
var external_links = new Array();
var mailto_links = new Array();
- $("a:not(." + Drupal.settings.extlink.extClass + ", ." + Drupal.settings.extlink.mailtoClass + ")", context).each(function(el) {
+ var potential_links = $("a:not(." + settings.extlink.extClass + ", ." + settings.extlink.mailtoClass + "), area:not(." + settings.extlink.extClass + ", ." + settings.extlink.mailtoClass + ")", context);
+ var length = potential_links.length;
+ var i, link;
+ for (i = 0; i < length; i++) {
+ // The link in this case is a native Link object, which means the host has
+ // already been appended by the browser, even for local links.
+ link = potential_links[i];
try {
- var url = this.href.toLowerCase();
+ var url = link.href.toLowerCase();
if (url.indexOf('http') == 0 && (!url.match(internal_link) || (extInclude && url.match(extInclude))) && !(extExclude && url.match(extExclude))) {
- external_links.push(this);
+ external_links.push(link);
}
- else if (url.indexOf('mailto:') == 0) {
- mailto_links.push(this);
+ // Do not include area tags with begin with mailto: (this prohibits
+ // icons from being added to image-maps).
+ else if (this.tagName != 'AREA' && url.indexOf('mailto:') == 0) {
+ mailto_links.push(link);
}
}
// IE7 throws errors often when dealing with irregular links, such as:
// Empty tags.
// example User:pass syntax.
- catch(error) {
+ catch (error) {
return false;
}
- });
-
- if (Drupal.settings.extlink.extClass) {
- // Apply the "ext" class to all links not containing images.
- if (parseFloat($().jquery) < 1.2) {
- $(external_links).not('[img]').addClass(Drupal.settings.extlink.extClass).each(function() { if ($(this).css('display') == 'inline') $(this).after(''); });
- }
- else {
- $(external_links).not($(external_links).find('img').parents('a')).addClass(Drupal.settings.extlink.extClass).each(function() { if ($(this).css('display') == 'inline') $(this).after(''); });
- }
+ }
+ if (settings.extlink.extClass) {
+ Drupal.extlink.applyClassAndSpan(external_links, settings.extlink.extClass);
}
- if (Drupal.settings.extlink.mailtoClass) {
- // Apply the "mailto" class to all mailto links not containing images.
- if (parseFloat($().jquery) < 1.2) {
- $(mailto_links).not('[img]').addClass(Drupal.settings.extlink.mailtoClass).each(function() { if ($(this).css('display') == 'inline') $(this).after(''); });
- }
- else {
- $(mailto_links).not($(mailto_links).find('img').parents('a')).addClass(Drupal.settings.extlink.mailtoClass).each(function() { if ($(this).css('display') == 'inline') $(this).after(''); });
- }
+ if (settings.extlink.mailtoClass) {
+ Drupal.extlink.applyClassAndSpan(mailto_links, settings.extlink.mailtoClass);
}
- if (Drupal.settings.extlink.extTarget) {
+ if (settings.extlink.extTarget) {
// Apply the target attribute to all links.
- $(external_links).attr('target', Drupal.settings.extlink.extTarget);
+ $(external_links).attr('target', settings.extlink.extTarget);
}
- if (Drupal.settings.extlink.extAlert) {
+ if (settings.extlink.extAlert) {
// Add pop-up click-through dialog.
$(external_links).click(function(e) {
- return confirm(Drupal.settings.extlink.extAlertText);
+ return confirm(settings.extlink.extAlertText);
});
}
@@ -95,12 +90,46 @@ function extlinkAttach(context) {
if (($.support && !($.support.boxModel === undefined) && !$.support.boxModel) || ($.browser.msie && parseInt($.browser.version) <= 7)) {
$('span.ext, span.mailto').css('display', 'inline-block');
}
-}
+};
-Drupal.behaviors.extlink = {
- attach: function(context){
+/**
+ * Apply a class and a trailing to all links not containing images.
+ *
+ * @param links
+ * An array of DOM elements representing the links.
+ * @param class_name
+ * The class to apply to the links.
+ */
+Drupal.extlink.applyClassAndSpan = function (links, class_name) {
+ var $links_to_process;
+ if (parseFloat($().jquery) < 1.2) {
+ $links_to_process = $(links).not('[img]');
+ }
+ else {
+ var links_with_images = $(links).find('img').parents('a');
+ $links_to_process = $(links).not(links_with_images);
+ }
+ $links_to_process.addClass(class_name);
+ var i;
+ var length = $links_to_process.length;
+ for (i = 0; i < length; i++) {
+ var $link = $($links_to_process[i]);
+ if ($link.css('display') == 'inline') {
+ $link.after('');
+ }
+ }
+};
+
+Drupal.behaviors.extlink = Drupal.behaviors.extlink || {};
+Drupal.behaviors.extlink.attach = function (context, settings) {
+ // Backwards compatibility, for the benefit of modules overriding extlink
+ // functionality by defining an "extlinkAttach" global function.
+ if (typeof extlinkAttach === 'function') {
extlinkAttach(context);
}
-}
+ else {
+ Drupal.extlink.attach(context, settings);
+ }
+};
})(jQuery);