Ticket #2933: ui.datepicker.rev930.patch

Index: ui.datepicker.js
===================================================================
--- ui.datepicker.js	(revision 930)
+++ ui.datepicker.js	(working copy)
@@ -473,7 +473,69 @@
 			this._setDateFromField(inst); 
 		return (inst ? this._getDate(inst) : null);
 	},
+
+	/* custom method for jquery validate */
+	_isDateInRangeDatepicker: function(target) {
+		var inst = this._getInst(target);
+
+		return (inst ? this._isInRange(inst, this._getDateDatepicker(target)) : null);
+	},
 	
+	/* custom method for jquery validate */
+	_isMinDateDatepicker: function(target) {
+		var inst    = this._getInst(target);
+
+		var date    = this._getDateDatepicker(target);
+		var minDate = this._getMinMaxDate(inst, 'min', true);
+		
+		return (!minDate || date >= minDate);
+	},
+	
+	/* custom method for jquery validate */
+	_isMaxDateDatepicker: function(target) {
+		var inst    = this._getInst(target);
+		
+		var date    = this._getDateDatepicker(target);
+		var maxDate = this._getMinMaxDate(inst, 'max', true);
+
+		return (!maxDate || date <= maxDate);
+	},
+	
+	/* custom method for jquery validate */
+	_isValidDateDatepicker: function(target) {
+		var inst       = this._getInst(target);
+		var dateFormat = this._get(inst, 'dateFormat');
+		
+		var dates = inst.input ? inst.input.val().split(this._get(inst, 'rangeSeparator')) : null;
+
+		try {
+			this.parseDate(dateFormat, dates[0]);
+			if ( typeof dates[1] != 'undefined' ) {
+				this.parseDate(dateFormat, dates[1]);
+			}
+			return true;
+		} catch(err) {
+			return false;
+		}
+	},
+	
+	/* custom method for jquery validate */
+	_getMinMaxRangeDateDatepicker: function(target, minMax) {
+		var inst = this._getInst(target);
+		var date = this._getDateDatepicker(target);
+
+		return (date == null ? this._getMinMaxDate(inst, minMax, true) : date );
+	},
+	
+	/* custom method for jquery validate */
+	_getMinMaxParsedDateDatepicker: function(target, minMax) {
+		var inst       = this._getInst(target);
+		var dateFormat = this._get(inst, 'dateFormat');
+		var dateminMax = this._getMinMaxDate(inst, minMax, true);
+
+		return this.formatDate(dateFormat, dateminMax);
+	},
+	
 	/* Handle keystrokes. */
 	_doKeyDown: function(e) {
 		var inst = $.datepicker._getInst(e.target);
@@ -1730,7 +1792,10 @@
 	}
 	
 	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'
+		|| options == 'isValidDate' || options == 'getMinMaxParsedDate' || options == 'getMinMaxRangeDate' )
+	)
 		return $.datepicker['_' + options + 'Datepicker'].
 			apply($.datepicker, [this[0]].concat(otherArgs));
 	return this.each(function() {