Ticket #2933: datepicker_rev170_enhancements.patch

Index: ui.datepicker.js
===================================================================
--- ui.datepicker.js	(revision 170)
+++ ui.datepicker.js	(working copy)
@@ -260,6 +260,28 @@
 		return (inst ? inst._getDate() : null);
 	},
 
+	_isDateInRangeDatepicker: function(target) {
+		var inst = this._getInst(target._calId);
+		
+		return (inst ? inst._isInRange(this._getDateDatepicker(target)) : null);
+	},
+	
+	_isMinDateDatepicker: function(target) {
+		var inst    = this._getInst(target._calId);
+		var date    = this._getDateDatepicker(target);
+		var minDate = inst._getMinMaxDate('min', true);
+		
+		return (!minDate || date >= minDate);
+	},
+	
+	_isMaxDateDatepicker: function(target) {
+		var inst    = this._getInst(target._calId);
+		var date    = this._getDateDatepicker(target);
+		var maxDate = inst._getMinMaxDate('max', true);
+		
+		return (!maxDate || date <= maxDate);
+	},
+
 	/* Handle keystrokes. */
 	_doKeyDown: function(e) {
 		var inst = $.datepicker._getInst(this._calId);
@@ -1425,7 +1447,7 @@
    @return  jQuery object */
 $.fn.datepicker = function(options){
 	var otherArgs = Array.prototype.slice.call(arguments, 1);
-	if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate')) {
+	if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate' || options == 'isDateInRange' || options == 'isMinDate'|| options == 'isMaxDate' )) {
 		return $.datepicker['_' + options + 'Datepicker'].apply($.datepicker, [this[0]].concat(otherArgs));
 	}
 	return this.each(function() {