From 93a093441c07db91e330333b85e3274904dc1bde Mon Sep 17 00:00:00 2001
From: Sergio Manzi <smz@smz.it>
Date: Fri, 19 Dec 2014 11:21:11 +0100
Subject: [PATCH] Toggle icon Plus/Minus when expanding/collapsing

Ported to com_weblinks from a similar PR in core
(https://github.com/joomla/joomla-cms/pull/5469)
---
 .../site/views/categories/tmpl/default.php           | 12 ++++++++++++
 .../site/views/categories/tmpl/default_items.php     |  3 ++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/com_weblinks/site/views/categories/tmpl/default.php b/src/com_weblinks/site/views/categories/tmpl/default.php
index cf56a15..6ea708f 100644
--- a/src/com_weblinks/site/views/categories/tmpl/default.php
+++ b/src/com_weblinks/site/views/categories/tmpl/default.php
@@ -11,6 +11,18 @@ defined('_JEXEC') or die;
 
 JHtml::addIncludePath(JPATH_COMPONENT . '/helpers');
 JHtml::_('behavior.caption');
+
+JFactory::getDocument()->addScriptDeclaration("
+jQuery(function($) {
+	$('.categories-list').find('[id^=category-btn-]').each(function(index, btn) {
+		var btn = $(btn);
+		btn.on('click', function() {
+			btn.find('span').toggleClass('icon-plus');
+			btn.find('span').toggleClass('icon-minus');
+		});
+	});
+});");
+
 echo JLayoutHelper::render('joomla.content.categories_default', $this);
 echo $this->loadTemplate('items');
 ?>
diff --git a/src/com_weblinks/site/views/categories/tmpl/default_items.php b/src/com_weblinks/site/views/categories/tmpl/default_items.php
index f4272f3..0eb36ff 100644
--- a/src/com_weblinks/site/views/categories/tmpl/default_items.php
+++ b/src/com_weblinks/site/views/categories/tmpl/default_items.php
@@ -34,7 +34,8 @@ if (count($this->items[$this->parent->id]) > 0 && $this->maxLevelcat != 0) :
 						</span>
 					<?php endif; ?>
 					<?php if (count($item->getChildren()) > 0 && $this->maxLevelcat > 1) : ?>
-						<a href="#category-<?php echo $item->id;?>" data-toggle="collapse" data-toggle="button" class="btn btn-mini pull-right"><span class="icon-plus"></span></a>
+						<a id="category-btn-<?php echo $item->id;?>" href="#category-<?php echo $item->id;?>" 
+							data-toggle="collapse" data-toggle="button" class="btn btn-mini pull-right"><span class="icon-plus"></span></a>
 					<?php endif;?>
 				</h3>
 				<?php if ($this->params->get('show_subcat_desc_cat') == 1) :?>