/**
 * @class Ext.form.DateField
 * @extends Ext.form.TriggerField
 * Provides a date input field with a {@link Ext.DatePicker} dropdown and automatic date validation.
 * @constructor
 * Create a new DateField
 * @param {Object} config
 * @xtype datefield
 */

Ext.form.DateField = Ext.extend(Ext.form.TriggerField,  {
   
/**
     * @cfg {String} format
     * The default date format string which can be overriden for localization support.  The format must be
     * valid according to {@link Date#parseDate} (defaults to
'm/d/Y').
     */

    format
: "m/d/Y",
   
/**
     * @cfg {String} altFormats
     * Multiple date formats separated by "
|" to try when parsing a user input value and it
     * does not match the defined format (defaults to
     *
'm/d/Y|n/j/Y|n/j/y|m/j/y|n/d/y|m/j/Y|n/d/Y|m-d-y|m-d-Y|m/d|m-d|md|mdy|mdY|d|Y-m-d').
     */

    altFormats
: "m/d/Y|n/j/Y|n/j/y|m/j/y|n/d/y|m/j/Y|n/d/Y|m-d-y|m-d-Y|m/d|m-d|md|mdy|mdY|d|Y-m-d",
   
/**
     * @cfg {String} disabledDaysText
     * The tooltip to display when the date falls on a disabled day (defaults to
'Disabled')
     */

    disabledDaysText
: "Disabled",
   
/**
     * @cfg {String} disabledDatesText
     * The tooltip text to display when the date falls on a disabled date (defaults to
'Disabled')
     */

    disabledDatesText
: "Disabled",
   
/**
     * @cfg {String} minText
     * The error text to display when the date in the cell is before
{@link #minValue} (defaults to
     *
'The date in this field must be after {minValue}').
     */

    minText
: "The date in this field must be equal to or after {0}",
   
/**
     * @cfg {String} maxText
     * The error text to display when the date in the cell is after
{@link #maxValue} (defaults to
     *
'The date in this field must be before {maxValue}').
     */

    maxText
: "The date in this field must be equal to or before {0}",
   
/**
     * @cfg {String} invalidText
     * The error text to display when the date in the field is invalid (defaults to
     *
'{value} is not a valid date - it must be in the format {format}').
     */

    invalidText
: "{0} is not a valid date - it must be in the format {1}",
   
/**
     * @cfg {String} triggerClass
     * An additional CSS class used to style the trigger button.  The trigger will always get the
     * class
'x-form-trigger' and triggerClass will be appended if specified
     * (defaults to
'x-form-date-trigger' which displays a calendar icon).
     */

    triggerClass
: 'x-form-date-trigger',
   
/**
     * @cfg {Boolean} showToday
     *
false to hide the footer area of the DatePicker containing the Today button and disable
     * the keyboard handler for spacebar that selects the current date (defaults to
true).
     */

    showToday
: true,
   
/**
     * @cfg {Date/String} minValue
     * The minimum allowed date. Can be either a Javascript date object or a string date in a
     * valid format (defaults to null).
     */

   
/**
     * @cfg {Date/String} maxValue
     * The maximum allowed date. Can be either a Javascript date object or a string date in a
     * valid format (defaults to null).
     */

   
/**
     * @cfg {Array} disabledDays
     * An array of days to disable, 0 based (defaults to null). Some examples:

// disable Sunday and Saturday:
disabledDays:  [0, 6]
// disable weekdays:
disabledDays: [1,2,3,4,5]
     *

     */

   
/**
     * @cfg {Array} disabledDates
     * An array of "dates" to disable, as strings. These strings will be used to build a dynamic regular
     * expression so they are very powerful. Some examples:

// disable these exact dates:
disabledDates: ["03/08/2003", "09/16/2003"]
// disable these days for every year:
disabledDates: ["03/08", "09/16"]
// only match the beginning (useful if you are using short years):
disabledDates: ["^03/08"]
// disable every day in March 2006:
disabledDates: ["03/../2006"]
// disable every day in every March:
disabledDates: ["^03"]
     *

     * Note that the format of the dates included in the array should exactly match the {@link #format} config.
     * In order to support regular expressions, if you are using a {@link #format date format} that has "." in
     * it, you will have to escape the dot when restricting dates. For example:
["03\\.08\\.03"].
     */

   
/**
     * @cfg {String/Object} autoCreate
     * A {@link Ext.DomHelper DomHelper element specification object}, or
true for the default element
     * specification object:

     * autoCreate: {tag: "input", type: "text", size: "10", autocomplete: "off"}
     *

     */


   
// private
    defaultAutoCreate
: {tag: "input", type: "text", size: "10", autocomplete: "off"},

    initComponent
: function(){
       
Ext.form.DateField.superclass.initComponent.call(this);

       
this.addEvents(
           
/**
             * @event select
             * Fires when a date is selected via the date picker.
             * @param {Ext.form.DateField} this
             * @param {Date} date The date that was selected
             */

           
'select'
       
);

       
if(Ext.isString(this.minValue)){
           
this.minValue = this.parseDate(this.minValue);
       
}
       
if(Ext.isString(this.maxValue)){
           
this.maxValue = this.parseDate(this.maxValue);
       
}
       
this.disabledDatesRE = null;
       
this.initDisabledDays();
   
},

   
// private
    initDisabledDays
: function(){
       
if(this.disabledDates){
           
var dd = this.disabledDates,
                len
= dd.length - 1,
                re
= "(?:";
               
           
Ext.each(dd, function(d, i){
                re
+= Ext.isDate(d) ? '^' + Ext.escapeRe(d.dateFormat(this.format)) + '$' : dd[i];
               
if(i != len){
                    re
+= '|';
               
}
           
}, this);
           
this.disabledDatesRE = new RegExp(re + ')');
       
}
   
},

   
/**
     * Replaces any existing disabled dates with new values and refreshes the DatePicker.
     * @param {Array} disabledDates An array of date strings (see the
{@link #disabledDates} config
     * for details on supported values) used to disable a pattern of dates.
     */

    setDisabledDates
: function(dd){
       
this.disabledDates = dd;
       
this.initDisabledDays();
       
if(this.menu){
           
this.menu.picker.setDisabledDates(this.disabledDatesRE);
       
}
   
},

   
/**
     * Replaces any existing disabled days (by index, 0-6) with new values and refreshes the DatePicker.
     * @param {Array} disabledDays An array of disabled day indexes. See the
{@link #disabledDays}
     * config for details on supported values.
     */

    setDisabledDays
: function(dd){
       
this.disabledDays = dd;
       
if(this.menu){
           
this.menu.picker.setDisabledDays(dd);
       
}
   
},

   
/**
     * Replaces any existing
{@link #minValue} with the new value and refreshes the DatePicker.
     * @param {Date} value The minimum date that can be selected
     */

    setMinValue
: function(dt){
       
this.minValue = (Ext.isString(dt) ? this.parseDate(dt) : dt);
       
if(this.menu){
           
this.menu.picker.setMinDate(this.minValue);
       
}
   
},

   
/**
     * Replaces any existing
{@link #maxValue} with the new value and refreshes the DatePicker.
     * @param {Date} value The maximum date that can be selected
     */

    setMaxValue
: function(dt){
       
this.maxValue = (Ext.isString(dt) ? this.parseDate(dt) : dt);
       
if(this.menu){
           
this.menu.picker.setMaxDate(this.maxValue);
       
}
   
},

   
// private
    validateValue
: function(value){
        value
= this.formatDate(value);
       
if(!Ext.form.DateField.superclass.validateValue.call(this, value)){
           
return false;
       
}
       
if(value.length < 1){ // if it's blank and textfield didn't flag it then it's valid
             
return true;
       
}
       
var svalue = value;
        value
= this.parseDate(value);
       
if(!value){
           
this.markInvalid(String.format(this.invalidText, svalue, this.format));
           
return false;
       
}
       
var time = value.getTime();
       
if(this.minValue && time < this.minValue.getTime()){
           
this.markInvalid(String.format(this.minText, this.formatDate(this.minValue)));
           
return false;
       
}
       
if(this.maxValue && time > this.maxValue.getTime()){
           
this.markInvalid(String.format(this.maxText, this.formatDate(this.maxValue)));
           
return false;
       
}
       
if(this.disabledDays){
           
var day = value.getDay();
           
for(var i = 0; i < this.disabledDays.length; i++) {
               
if(day === this.disabledDays[i]){
                   
this.markInvalid(this.disabledDaysText);
                   
return false;
               
}
           
}
       
}
       
var fvalue = this.formatDate(value);
       
if(this.disabledDatesRE && this.disabledDatesRE.test(fvalue)){
           
this.markInvalid(String.format(this.disabledDatesText, fvalue));
           
return false;
       
}
       
return true;
   
},

   
// private
   
// Provides logic to override the default TriggerField.validateBlur which just returns true
    validateBlur
: function(){
       
return !this.menu || !this.menu.isVisible();
   
},

   
/**
     * Returns the current date value of the date field.
     * @return {Date} The date value
     */

    getValue
: function(){
       
return this.parseDate(Ext.form.DateField.superclass.getValue.call(this)) || "";
   
},

   
/**
     * Sets the value of the date field.  You can pass a date object or any string that can be
     * parsed into a valid date, using
{@link #format} as the date format, according
     * to the same rules as {@link Date#parseDate} (the default format used is
"m/d/Y").
     *
Usage:
     *

//All of these calls set the same date value (May 4, 2006)

//Pass a date object:
var dt = new Date('5/4/2006');
dateField.setValue(dt);

//Pass a date string (default format):
dateField.setValue('05/04/2006');

//Pass a date string (custom format):
dateField.format = 'Y-m-d';
dateField.setValue('2006-05-04');

     * @param {String/Date} date The date or valid date string
     * @return {Ext.form.Field} this
     */

    setValue
: function(date){
       
return Ext.form.DateField.superclass.setValue.call(this, this.formatDate(this.parseDate(date)));
   
},

   
// private
    parseDate
: function(value){
       
if(!value || Ext.isDate(value)){
           
return value;
       
}
       
var v = Date.parseDate(value, this.format);
       
if(!v && this.altFormats){
           
if(!this.altFormatsArray){
               
this.altFormatsArray = this.altFormats.split("|");
           
}
           
for(var i = 0, len = this.altFormatsArray.length; i < len && !v; i++){
                v
= Date.parseDate(value, this.altFormatsArray[i]);
           
}
       
}
       
return v;
   
},

   
// private
    onDestroy
: function(){
               
Ext.destroy(this.menu);
       
Ext.form.DateField.superclass.onDestroy.call(this);
   
},

   
// private
    formatDate
: function(date){
       
return Ext.isDate(date) ? date.dateFormat(this.format) : date;
   
},

   
/**
     * @method onTriggerClick
     * @hide
     */

   
// private
   
// Implements the default empty TriggerField.onTriggerClick function to display the DatePicker
    onTriggerClick
: function(){
       
if(this.disabled){
           
return;
       
}
       
if(this.menu == null){
           
this.menu = new Ext.menu.DateMenu({
                hideOnClick
: false
           
});
       
}
       
this.onFocus();
       
Ext.apply(this.menu.picker,  {
            minDate
: this.minValue,
            maxDate
: this.maxValue,
            disabledDatesRE
: this.disabledDatesRE,
            disabledDatesText
: this.disabledDatesText,
            disabledDays
: this.disabledDays,
            disabledDaysText
: this.disabledDaysText,
            format
: this.format,
            showToday
: this.showToday,
            minText
: String.format(this.minText, this.formatDate(this.minValue)),
            maxText
: String.format(this.maxText, this.formatDate(this.maxValue))
       
});
       
this.menu.picker.setValue(this.getValue() || new Date());
       
this.menu.show(this.el, "tl-bl?");
       
this.menuEvents('on');
   
},
   
   
//private
    menuEvents
: function(method){
       
this.menu[method]('select', this.onSelect, this);
       
this.menu[method]('hide', this.onMenuHide, this);
       
this.menu[method]('show', this.onFocus, this);
   
},
   
    onSelect
: function(m, d){
       
this.setValue(d);
       
this.fireEvent('select', this, d);
       
this.menu.hide();
   
},
   
    onMenuHide
: function(){
       
this.focus(false, 60);
       
this.menuEvents('un');
   
},

   
// private
    beforeBlur
: function(){
       
var v = this.parseDate(this.getRawValue());
       
if(v){
           
this.setValue(v);
       
}
   
}

   
/**
     * @cfg {Boolean} grow @hide
     */

   
/**
     * @cfg {Number} growMin @hide
     */

   
/**
     * @cfg {Number} growMax @hide
     */

   
/**
     * @hide
     * @method autoSize
     */

});
Ext.reg('datefield', Ext.form.DateField);