/*
	Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dijit.form._DateTimeTextBox"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit.form._DateTimeTextBox"] = true;
dojo.provide("dijit.form._DateTimeTextBox");
dojo.require("dojo.date");
dojo.require("dojo.date.locale");
dojo.require("dojo.date.stamp");
dojo.require("dijit.form.ValidationTextBox");
dojo.require("dijit._HasDropDown");


new Date("X"); // workaround for #11279, new Date("") == NaN

/*=====
dojo.declare(
	"dijit.form._DateTimeTextBox.__Constraints",
	[dijit.form.RangeBoundTextBox.__Constraints, dojo.date.locale.__FormatOptions], {
	// summary:
	//		Specifies both the rules on valid/invalid values (first/last date/time allowed),
	//		and also formatting options for how the date/time is displayed.
	// example:
	//		To restrict to dates within 2004, displayed in a long format like "December 25, 2005":
	//	|		{min:'2004-01-01',max:'2004-12-31', formatLength:'long'}
});
=====*/

dojo.declare(
	"dijit.form._DateTimeTextBox",
	[ dijit.form.RangeBoundTextBox, dijit._HasDropDown ],
	{
		// summary:
		//		Base class for validating, serializable, range-bound date or time text box.

		templateString: dojo.cache("dijit.form", "templates/DropDownBox.html", "<div class=\"dijit dijitReset dijitInlineTable dijitLeft\"\n\tid=\"widget_${id}\"\n\trole=\"combobox\"\n\t><div class='dijitReset dijitRight dijitButtonNode dijitArrowButton dijitDownArrowButton dijitArrowButtonContainer'\n\t\tdojoAttachPoint=\"_buttonNode, _popupStateNode\" role=\"presentation\"\n\t\t><input class=\"dijitReset dijitInputField dijitArrowButtonInner\" value=\"&#9660; \" type=\"text\" tabIndex=\"-1\" readonly=\"readonly\" role=\"presentation\"\n\t\t\t${_buttonInputDisabled}\n\t/></div\n\t><div class='dijitReset dijitValidationContainer'\n\t\t><input class=\"dijitReset dijitInputField dijitValidationIcon dijitValidationInner\" value=\"&#935; \" type=\"text\" tabIndex=\"-1\" readonly=\"readonly\" role=\"presentation\"\n\t/></div\n\t><div class=\"dijitReset dijitInputField dijitInputContainer\"\n\t\t><input class='dijitReset dijitInputInner' ${!nameAttrSetting} type=\"text\" autocomplete=\"off\"\n\t\t\tdojoAttachPoint=\"textbox,focusNode\" role=\"textbox\" aria-haspopup=\"true\"\n\t/></div\n></div>\n"),

		// hasDownArrow: [const] Boolean
		//		Set this textbox to display a down arrow button, to open the drop down list.
		hasDownArrow: true,

		// openOnClick: [const] Boolean
		//		Set to true to open drop down upon clicking anywhere on the textbox.
		openOnClick: true,

		/*=====
		// constraints: dijit.form._DateTimeTextBox.__Constraints
		//		Despite the name, this parameter specifies both constraints on the input
		//		(including starting/ending dates/times allowed) as well as
		//		formatting options like whether the date is displayed in long (ex: December 25, 2005)
		//		or short (ex: 12/25/2005) format.  See `dijit.form._DateTimeTextBox.__Constraints` for details.
		constraints: {},
		======*/

		// Override ValidationTextBox.regExpGen().... we use a reg-ex generating function rather
		// than a straight regexp to deal with locale  (plus formatting options too?)
		regExpGen: dojo.date.locale.regexp,

		// datePackage: String
		//		JavaScript namespace to find calendar routines.	 Uses Gregorian calendar routines
		//		at dojo.date, by default.
		datePackage: "dojo.date",

		// Override _FormWidget.compare() to work for dates/times
		compare: function(/*Date*/ val1, /*Date*/ val2){
			var isInvalid1 = this._isInvalidDate(val1);
			var isInvalid2 = this._isInvalidDate(val2);
			return isInvalid1 ? (isInvalid2 ? 0 : -1) : (isInvalid2 ? 1 : dojo.date.compare(val1, val2, this._selector));
		},

		// flag to _HasDropDown to make drop down Calendar width == <input> width
		forceWidth: true,

		format: function(/*Date*/ value, /*dojo.date.locale.__FormatOptions*/ constraints){
			// summary:
			//		Formats the value as a Date, according to specified locale (second argument)
			// tags:
			//		protected
			if(!value){ return ''; }
			return this.dateLocaleModule.format(value, constraints);
		},

		"parse": function(/*String*/ value, /*dojo.date.locale.__FormatOptions*/ constraints){
			// summary:
			//		Parses as string as a Date, according to constraints
			// tags:
			//		protected

			return this.dateLocaleModule.parse(value, constraints) || (this._isEmpty(value) ? null : undefined);	 // Date
		},

		// Overrides ValidationTextBox.serialize() to serialize a date in canonical ISO format.
		serialize: function(/*anything*/ val, /*Object?*/ options){
			if(val.toGregorian){
				val = val.toGregorian();
			}
			return dojo.date.stamp.toISOString(val, options);
		},

		// dropDownDefaultValue: Date
		//		The default value to focus in the popupClass widget when the textbox value is empty.
		dropDownDefaultValue : new Date(),

		// value: Date
		//		The value of this widget as a JavaScript Date object.  Use get("value") / set("value", val) to manipulate.
		//		When passed to the parser in markup, must be specified according to `dojo.date.stamp.fromISOString`
		value: new Date(""),	// value.toString()="NaN"

		_blankValue: null,	// used by filter() when the textbox is blank

		// popupClass: [protected extension] String
		//		Name of the popup widget class used to select a date/time.
		//		Subclasses should specify this.
		popupClass: "", // default is no popup = text only


		// _selector: [protected extension] String
		//		Specifies constraints.selector passed to dojo.date functions, should be either
		//		"date" or "time".
		//		Subclass must specify this.
		_selector: "",

		constructor: function(/*Object*/ args){
			var dateClass = args.datePackage ? args.datePackage + ".Date" : "Date";
			this.dateClassObj = dojo.getObject(dateClass, false);
			this.value = new this.dateClassObj("");

			this.datePackage = args.datePackage || this.datePackage;
			this.dateLocaleModule = dojo.getObject(this.datePackage + ".locale", false);
			this.regExpGen = this.dateLocaleModule.regexp;
			this._invalidDate = dijit.form._DateTimeTextBox.prototype.value.toString();
		},

		buildRendering: function(){
			this.inherited(arguments);

			if(!this.hasDownArrow){
				this._buttonNode.style.display = "none";
			}

			// If openOnClick is true, we basically just want to treat the whole widget as the
			// button.  We need to do that also if the actual drop down button will be hidden,
			// so that there's a mouse method for opening the drop down.
			if(this.openOnClick || !this.hasDownArrow){
				this._buttonNode = this.domNode;
				this.baseClass += " dijitComboBoxOpenOnClick";
			}
		},

		_setConstraintsAttr: function(/*Object*/ constraints){
			constraints.selector = this._selector;
			constraints.fullYear = true; // see #5465 - always format with 4-digit years
			var fromISO = dojo.date.stamp.fromISOString;
			if(typeof constraints.min == "string"){ constraints.min = fromISO(constraints.min); }
 			if(typeof constraints.max == "string"){ constraints.max = fromISO(constraints.max); }
			this.inherited(arguments);
		},

		_isInvalidDate: function(/*Date*/ value){
			// summary:
			//		Runs various tests on the value, checking for invalid conditions
			// tags:
			//		private
			return !value || isNaN(value) || typeof value != "object" || value.toString() == this._invalidDate;
		},

		_setValueAttr: function(/*Date|String*/ value, /*Boolean?*/ priorityChange, /*String?*/ formattedValue){
			// summary:
			//		Sets the date on this textbox. Note: value can be a JavaScript Date literal or a string to be parsed.
			if(value !== undefined){
				if(typeof value == "string"){
					value = dojo.date.stamp.fromISOString(value);
				}
				if(this._isInvalidDate(value)){
					value = null;
				}
				if(value instanceof Date && !(this.dateClassObj instanceof Date)){
					value = new this.dateClassObj(value);
				}
			}
			this.inherited(arguments);
			if(this.dropDown){
				this.dropDown.set('value', value, false);
			}
		},

		_set: function(attr, value){
			// Avoid spurious watch() notifications when value is changed to new Date object w/the same value
			if(attr == "value" && this.value instanceof Date && this.compare(value, this.value) == 0){
				return;
			}
			this.inherited(arguments);
		},

		_setDropDownDefaultValueAttr: function(/*Date*/ val){
			if(this._isInvalidDate(val)){
				// convert null setting into today's date, since there needs to be *some* default at all times.
				 val = new this.dateClassObj()
						}
			this.dropDownDefaultValue = val;
		},

		openDropDown: function(/*Function*/ callback){
			// rebuild drop down every time, so that constraints get copied (#6002)
			if(this.dropDown){
				this.dropDown.destroy();
			}
			var PopupProto = dojo.getObject(this.popupClass, false),
				textBox = this,
				value = this.get("value");
			this.dropDown = new PopupProto({
				onChange: function(value){
						// this will cause InlineEditBox and other handlers to do stuff so make sure it's last
						dijit.form._DateTimeTextBox.superclass._setValueAttr.call(textBox, value, true);
					},
					id: this.id + "_popup",
					dir: textBox.dir,
					lang: textBox.lang,
				value: value,
				currentFocus: !this._isInvalidDate(value) ? value : this.dropDownDefaultValue,
					constraints: textBox.constraints,
				filterString: textBox.filterString, // for TimeTextBox, to filter times shown

					datePackage: textBox.datePackage,

					isDisabledDate: function(/*Date*/ date){
						// summary:
						// 	disables dates outside of the min/max of the _DateTimeTextBox
						return !textBox.rangeCheck(date, textBox.constraints);
					}
				});

			this.inherited(arguments);
		},

		_getDisplayedValueAttr: function(){
			return this.textbox.value;
		},

		_setDisplayedValueAttr: function(/*String*/ value, /*Boolean?*/ priorityChange){
			this._setValueAttr(this.parse(value, this.constraints), priorityChange, value);
		}
	}
);

}