Adding "return" for beforeShow function. Helps in deciding to show DatePicker. If the value returned from beforeShow (custom function) is false, popup must not show up. (This is the general behaviour in JQuery UI DatePicker as well.

kunalkumar · kunalkumar · commit 13eeded31b2d · 2011-12-28T01:27:31.000+05:30
diff --git a/jquery-ui-timepicker-addon.js b/jquery-ui-timepicker-addon.js
@@ -147,7 +147,7 @@ $.extend(Timepicker.prototype, {
 		tp_inst._defaults = $.extend({}, this._defaults, inlineSettings, o, {
 			beforeShow: function(input, dp_inst) {
 				if ($.isFunction(o.beforeShow))
-					o.beforeShow(input, dp_inst, tp_inst);
+					return o.beforeShow(input, dp_inst, tp_inst);
 			},
 			onChangeMonthYear: function(year, month, dp_inst) {
 				// Update the time as well : this prevents the time from disappearing from the $input field.
