|  | @@ -79,7 +79,12 @@ $(document).ready(function() {
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				|  |  |              },
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				|  |  |              refreshAddButton: function() {
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				|  |  |                  const select = this.getSelectNode();
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				|  |  | -                $('[href="#add-folder"]').attr('disabled', select && select.tree_level >= 4);
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				|  |  | +                // $('[href="#add-folder"]').attr("disabled", select && (select.tree_level >= 4 || !select.is_folder));
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				|  |  | +                if (select && (select.tree_level >= 4 || !select.is_folder)) {
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				|  |  | +                    $('[href="#add-folder"]').hide();
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				|  |  | +                } else {
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				|  |  | +                    $('[href="#add-folder"]').show();
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				|  |  | +                }
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				|  |  |              },
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				|  |  |              refreshTreeTable: function(result) {
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				|  |  |                  ProjectTree.loadDatas(result);
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