shubhadownloader
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JavaScript
/**
* @docauthor Jason Johnston <jason@sencha.com>
*
* Provides a date input field with a {@link Ext.picker.Date date picker} dropdown and automatic date
* validation.
*
* This field recognizes and uses the JavaScript Date object as its main {@link #value} type. In addition,
* it recognizes string values which are parsed according to the {@link #format} and/or {@link #altFormats}
* configs. These may be reconfigured to use date formats appropriate for the user's locale.
*
* The field may be limited to a certain range of dates by using the {@link #minValue}, {@link #maxValue},
* {@link #disabledDays}, and {@link #disabledDates} config parameters. These configurations will be used both
* in the field's validation, and in the date picker dropdown by preventing invalid dates from being selected.
*
* # Example usage
*
* @example
* Ext.create('Ext.form.Panel', {
* renderTo: Ext.getBody(),
* width: 300,
* bodyPadding: 10,
* title: 'Dates',
* items: [{
* xtype: 'datefield',
* anchor: '100%',
* fieldLabel: 'From',
* name: 'from_date',
* maxValue: new Date() // limited to the current date or prior
* }, {
* xtype: 'datefield',
* anchor: '100%',
* fieldLabel: 'To',
* name: 'to_date',
* value: new Date() // defaults to today
* }]
* });
*
* # Date Formats Examples
*
* This example shows a couple of different date format parsing scenarios. Both use custom date format
* configurations; the first one matches the configured `format` while the second matches the `altFormats`.
*
* @example
* Ext.create('Ext.form.Panel', {
* renderTo: Ext.getBody(),
* width: 300,
* bodyPadding: 10,
* title: 'Dates',
* items: [{
* xtype: 'datefield',
* anchor: '100%',
* fieldLabel: 'Date',
* name: 'date',
* // The value matches the format; will be parsed and displayed using that format.
* format: 'm d Y',
* value: '2 4 1978'
* }, {
* xtype: 'datefield',
* anchor: '100%',
* fieldLabel: 'Date',
* name: 'date',
* // The value does not match the format, but does match an altFormat; will be parsed
* // using the altFormat and displayed using the format.
* format: 'm d Y',
* altFormats: 'm,d,Y|m.d.Y',
* value: '2.4.1978'
* }]
* });
*/
Ext.define('Ext.form.field.Date', {
extend:'Ext.form.field.Picker',
alias: 'widget.datefield',
requires: ['Ext.picker.Date'],
alternateClassName: ['Ext.form.DateField', 'Ext.form.Date'],
//<locale>
/**
* @cfg {String} format
* The default date format string which can be overriden for localization support. The format must be valid
* according to {@link Ext.Date#parse}.
*/
format : "m/d/Y",
//</locale>
//<locale>
/**
* @cfg {String} altFormats
* Multiple date formats separated by "|" to try when parsing a user input value and it does not match the defined
* format.
*/
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|n-j|n/j",
//</locale>
//<locale>
/**
* @cfg {String} disabledDaysText
* The tooltip to display when the date falls on a disabled day.
*/
disabledDaysText : "Disabled",
//</locale>
//<locale>
/**
* @cfg {String} disabledDatesText
* The tooltip text to display when the date falls on a disabled date.
*/
disabledDatesText : "Disabled",
//</locale>
//<locale>
/**
* @cfg {String} minText
* The error text to display when the date in the cell is before {@link #minValue}.
*/
minText : "The date in this field must be equal to or after {0}",
//</locale>
//<locale>
/**
* @cfg {String} maxText
* The error text to display when the date in the cell is after {@link #maxValue}.
*/
maxText : "The date in this field must be equal to or before {0}",
//</locale>
//<locale>
/**
* @cfg {String} invalidText
* The error text to display when the date in the field is invalid.
*/
invalidText : "{0} is not a valid date - it must be in the format {1}",
//</locale>
/**
* @cfg {String} [triggerCls='x-form-date-trigger']
* An additional CSS class used to style the trigger button. The trigger will always get the class 'x-form-trigger'
* and triggerCls will be **appended** if specified (default class displays a calendar icon).
*/
triggerCls : Ext.baseCSSPrefix + 'form-date-trigger',
/**
* @cfg {Boolean} showToday
* false to hide the footer area of the Date picker containing the Today button and disable the keyboard handler for
* spacebar that selects the current date.
*/
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.
*/
/**
* @cfg {Date/String} maxValue
* The maximum allowed date. Can be either a Javascript date object or a string date in a valid format.
*/
/**
* @cfg {Number[]} disabledDays
* An array of days to disable, 0 based. Some examples:
*
* // disable Sunday and Saturday:
* disabledDays: [0, 6]
* // disable weekdays:
* disabledDays: [1,2,3,4,5]
*/
/**
* @cfg {String[]} 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} submitFormat
* The date format string which will be submitted to the server. The format must be valid according to
* {@link Ext.Date#parse}.
*
* Defaults to {@link #format}.
*/
/**
* @cfg {Boolean} useStrict
* True to enforce strict date parsing to prevent the default Javascript "date rollover".
* Defaults to the useStrict parameter set on Ext.Date
* See {@link Ext.Date#parse}.
*/
useStrict: undefined,
// in the absence of a time value, a default value of 12 noon will be used
// (note: 12 noon was chosen because it steers well clear of all DST timezone changes)
initTime: '12', // 24 hour format
initTimeFormat: 'H',
matchFieldWidth: false,
//<locale>
/**
* @cfg {Number} [startDay=undefined]
* Day index at which the week should begin, 0-based.
*
* Defaults to `0` (Sunday).
*/
startDay: 0,
//</locale>
initComponent : function(){
var me = this,
isString = Ext.isString,
min, max;
min = me.minValue;
max = me.maxValue;
if(isString(min)){
me.minValue = me.parseDate(min);
}
if(isString(max)){
me.maxValue = me.parseDate(max);
}
me.disabledDatesRE = null;
me.initDisabledDays();
me.callParent();
},
initValue: function() {
var me = this,
value = me.value;
// If a String value was supplied, try to convert it to a proper Date
if (Ext.isString(value)) {
me.value = me.rawToValue(value);
}
me.callParent();
},
// private
initDisabledDays : function(){
if(this.disabledDates){
var dd = this.disabledDates,
len = dd.length - 1,
re = "(?:",
d,
dLen = dd.length,
date;
for (d = 0; d < dLen; d++) {
date = dd[d];
re += Ext.isDate(date) ? '^' + Ext.String.escapeRegex(date.dateFormat(this.format)) + '$' : date;
if (d !== len) {
re += '|';
}
}
this.disabledDatesRE = new RegExp(re + ')');
}
},
/**
* Replaces any existing disabled dates with new values and refreshes the Date picker.
* @param {String[]} 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){
var me = this,
picker = me.picker;
me.disabledDates = dd;
me.initDisabledDays();
if (picker) {
picker.setDisabledDates(me.disabledDatesRE);
}
},
/**
* Replaces any existing disabled days (by index, 0-6) with new values and refreshes the Date picker.
* @param {Number[]} disabledDays An array of disabled day indexes. See the {@link #disabledDays} config for details on
* supported values.
*/
setDisabledDays : function(dd){
var picker = this.picker;
this.disabledDays = dd;
if (picker) {
picker.setDisabledDays(dd);
}
},
/**
* Replaces any existing {@link #minValue} with the new value and refreshes the Date picker.
* @param {Date} value The minimum date that can be selected
*/
setMinValue : function(dt){
var me = this,
picker = me.picker,
minValue = (Ext.isString(dt) ? me.parseDate(dt) : dt);
me.minValue = minValue;
if (picker) {
picker.minText = Ext.String.format(me.minText, me.formatDate(me.minValue));
picker.setMinDate(minValue);
}
},
/**
* Replaces any existing {@link #maxValue} with the new value and refreshes the Date picker.
* @param {Date} value The maximum date that can be selected
*/
setMaxValue : function(dt){
var me = this,
picker = me.picker,
maxValue = (Ext.isString(dt) ? me.parseDate(dt) : dt);
me.maxValue = maxValue;
if (picker) {
picker.maxText = Ext.String.format(me.maxText, me.formatDate(me.maxValue));
picker.setMaxDate(maxValue);
}
},
/**
* Runs all of Date's validations and returns an array of any errors. Note that this first runs Text's validations,
* so the returned array is an amalgamation of all field errors. The additional validation checks are testing that
* the date format is valid, that the chosen date is within the min and max date constraints set, that the date
* chosen is not in the disabledDates regex and that the day chosed is not one of the disabledDays.
* @param {Object} [value] The value to get errors for (defaults to the current field value)
* @return {String[]} All validation errors for this field
*/
getErrors: function(value) {
var me = this,
format = Ext.String.format,
clearTime = Ext.Date.clearTime,
errors = me.callParent(arguments),
disabledDays = me.disabledDays,
disabledDatesRE = me.disabledDatesRE,
minValue = me.minValue,
maxValue = me.maxValue,
len = disabledDays ? disabledDays.length : 0,
i = 0,
svalue,
fvalue,
day,
time;
value = me.formatDate(value || me.processRawValue(me.getRawValue()));
if (value === null || value.length < 1) { // if it's blank and textfield didn't flag it then it's valid
return errors;
}
svalue = value;
value = me.parseDate(value);
if (!value) {
errors.push(format(me.invalidText, svalue, Ext.Date.unescapeFormat(me.format)));
return errors;
}
time = value.getTime();
if (minValue && time < clearTime(minValue).getTime()) {
errors.push(format(me.minText, me.formatDate(minValue)));
}
if (maxValue && time > clearTime(maxValue).getTime()) {
errors.push(format(me.maxText, me.formatDate(maxValue)));
}
if (disabledDays) {
day = value.getDay();
for(; i < len; i++) {
if (day === disabledDays[i]) {
errors.push(me.disabledDaysText);
break;
}
}
}
fvalue = me.formatDate(value);
if (disabledDatesRE && disabledDatesRE.test(fvalue)) {
errors.push(format(me.disabledDatesText, fvalue));
}
return errors;
},
rawToValue: function(rawValue) {
return this.parseDate(rawValue) || rawValue || null;
},
valueToRaw: function(value) {
return this.formatDate(this.parseDate(value));
},
/**
* @method setValue
* 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 Ext.Date#parse} (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.Date} this
*/
/**
* Attempts to parse a given string value using a given {@link Ext.Date#parse date format}.
* @param {String} value The value to attempt to parse
* @param {String} format A valid date format (see {@link Ext.Date#parse})
* @return {Date} The parsed Date object, or null if the value could not be successfully parsed.
*/
safeParse : function(value, format) {
var me = this,
utilDate = Ext.Date,
result = null,
strict = me.useStrict,
parsedDate;
if (utilDate.formatContainsHourInfo(format)) {
// if parse format contains hour information, no DST adjustment is necessary
result = utilDate.parse(value, format, strict);
} else {
// set time to 12 noon, then clear the time
parsedDate = utilDate.parse(value + ' ' + me.initTime, format + ' ' + me.initTimeFormat, strict);
if (parsedDate) {
result = utilDate.clearTime(parsedDate);
}
}
return result;
},
// @private
getSubmitValue: function() {
var format = this.submitFormat || this.format,
value = this.getValue();
return value ? Ext.Date.format(value, format) : '';
},
/**
* @private
*/
parseDate : function(value) {
if(!value || Ext.isDate(value)){
return value;
}
var me = this,
val = me.safeParse(value, me.format),
altFormats = me.altFormats,
altFormatsArray = me.altFormatsArray,
i = 0,
len;
if (!val && altFormats) {
altFormatsArray = altFormatsArray || altFormats.split('|');
len = altFormatsArray.length;
for (; i < len && !val; ++i) {
val = me.safeParse(value, altFormatsArray[i]);
}
}
return val;
},
// private
formatDate : function(date){
return Ext.isDate(date) ? Ext.Date.dateFormat(date, this.format) : date;
},
createPicker: function() {
var me = this,
format = Ext.String.format;
return new Ext.picker.Date({
pickerField: me,
ownerCt: me.ownerCt,
renderTo: document.body,
floating: true,
hidden: true,
focusOnShow: true,
minDate: me.minValue,
maxDate: me.maxValue,
disabledDatesRE: me.disabledDatesRE,
disabledDatesText: me.disabledDatesText,
disabledDays: me.disabledDays,
disabledDaysText: me.disabledDaysText,
format: me.format,
showToday: me.showToday,
startDay: me.startDay,
minText: format(me.minText, me.formatDate(me.minValue)),
maxText: format(me.maxText, me.formatDate(me.maxValue)),
listeners: {
scope: me,
select: me.onSelect
},
keyNavConfig: {
esc: function() {
me.collapse();
}
}
});
},
onSelect: function(m, d) {
var me = this;
me.setValue(d);
me.fireEvent('select', me, d);
me.collapse();
},
/**
* @private
* Sets the Date picker's value to match the current field value when expanding.
*/
onExpand: function() {
var value = this.getValue();
this.picker.setValue(Ext.isDate(value) ? value : new Date());
},
/**
* @private
* Focuses the field when collapsing the Date picker.
*/
onCollapse: function() {
this.focus(false, 60);
},
// private
beforeBlur : function(){
var me = this,
v = me.parseDate(me.getRawValue()),
focusTask = me.focusTask;
if (focusTask) {
focusTask.cancel();
}
if (v) {
me.setValue(v);
}
}
/**
* @cfg {Boolean} grow
* @private
*/
/**
* @cfg {Number} growMin
* @private
*/
/**
* @cfg {Number} growMax
* @private
*/
/**
* @method autoSize
* @private
*/
});