(function($) {
var CLASSES = $.treeview.classes;
var proxied = $.fn.treeview;
$.fn.treeview = function(settings) {
settings = $.extend({}, settings);
if (settings.add) {
return this.trigger("add", [settings.add]);
}
if (settings.remove) {
return this.trigger("remove", [settings.remove]);
}
return proxied.apply(this, arguments).bind("add", function(event, branches) {
$(branches).prev()
.removeClass(CLASSES.last)
.removeClass(CLASSES.lastCollapsable)
.removeClass(CLASSES.lastExpandable)
.find(">.hitarea")
.removeClass(CLASSES.lastCollapsableHitarea)
.removeClass(CLASSES.lastExpandableHitarea);
$(branches).find("li").andSelf().prepareBranches(settings).applyClasses(settings, $(this).data("toggler"));
}).bind("remove", function(event, branches) {
var prev = $(branches).prev();
var parent = $(branches).parent();
$(branches).remove();
prev.filter(":last-child").addClass(CLASSES.last)
.filter("." + CLASSES.expandable).replaceClass(CLASSES.last, CLASSES.lastExpandable).end()
.find(">.hitarea").replaceClass(CLASSES.expandableHitarea, CLASSES.lastExpandableHitarea).end()
.filter("." + CLASSES.collapsable).replaceClass(CLASSES.last, CLASSES.lastCollapsable).end()
.find(">.hitarea").replaceClass(CLASSES.collapsableHitarea, CLASSES.lastCollapsableHitarea);
if (parent.is(":not(:has(>))") && parent[0] != this) {
parent.parent().removeClass(CLASSES.collapsable).removeClass(CLASSES.expandable);
parent.siblings(".hitarea").andSelf().remove();
}
});
};
})(jQuery);
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