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-rw-r--r--program/js/treelist.js4
1 files changed, 3 insertions, 1 deletions
diff --git a/program/js/treelist.js b/program/js/treelist.js
index 353eb6be7..b5629a658 100644
--- a/program/js/treelist.js
+++ b/program/js/treelist.js
@@ -409,7 +409,7 @@ function rcube_treelist_widget(node, p)
var li = $(e), sublist = li.children('ul');
var node = {
id: dom2id(li),
- classes: li.attr('class').split(' '),
+ classes: String(li.attr('class')).split(' '),
virtual: li.hasClass('virtual'),
html: li.children().first().get(0).outerHTML,
children: walk_list(sublist)
@@ -420,6 +420,8 @@ function rcube_treelist_widget(node, p)
}
if (node.children.length) {
node.collapsed = sublist.css('display') == 'none';
+ if (!li.children('div.treetoggle').length)
+ $('<div class="treetoggle '+(node.collapsed ? 'collapsed' : 'expanded') + '">&nbsp;</div>').appendTo(li);
}
if (li.hasClass('selected')) {
selection = node.id;