www.gusucode.com > 一个基于extjs的强大聊天插件源码程序 > 一个基于extjs的强大聊天插件/extjame/ext-jame/js/ext2/source/widgets/form/DateField.js
/*
* Ext JS Library 2.0.2
* Copyright(c) 2006-2008, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/
/**
* @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
*/
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 doesn't match the defined
* format (defaults to 'm/d/Y|m-d-y|m-d-Y|m/d|m-d|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 {Array} disabledDays
* An array of days to disable, 0 based. For example, [0, 6] disables Sunday and Saturday (defaults to null).
*/
disabledDays : null,
/**
* @cfg {String} disabledDaysText
* The tooltip to display when the date falls on a disabled day (defaults to 'Disabled')
*/
disabledDaysText : "Disabled",
/**
* @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:
* <ul>
* <li>["03/08/2003", "09/16/2003"] would disable those exact dates</li>
* <li>["03/08", "09/16"] would disable those days for every year</li>
* <li>["^03/08"] would only match the beginning (useful if you are using short years)</li>
* <li>["03/../2006"] would disable every day in March 2006</li>
* <li>["^03"] would disable every day in every March</li>
* </ul>
* In order to support regular expressions, if you are using a date format that has "." in it, you will have to
* escape the dot when restricting dates. For example: ["03\\.08\\.03"].
*/
disabledDates : null,
/**
* @cfg {String} disabledDatesText
* The tooltip text to display when the date falls on a disabled date (defaults to 'Disabled')
*/
disabledDatesText : "Disabled",
/**
* @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).
*/
minValue : 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).
*/
maxValue : null,
/**
* @cfg {String} minText
* The error text to display when the date in the cell is before 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 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 <b>appended</b> if specified (defaults to 'x-form-date-trigger'
* which displays a calendar icon).
*/
triggerClass : 'x-form-date-trigger',
/**
* @cfg {String/Object} autoCreate
* A DomHelper element spec, or true for a default element spec (defaults to
* {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);
if(typeof this.minValue == "string"){
this.minValue = this.parseDate(this.minValue);
}
if(typeof this.maxValue == "string"){
this.maxValue = this.parseDate(this.maxValue);
}
this.ddMatch = null;
if(this.disabledDates){
var dd = this.disabledDates;
var re = "(?:";
for(var i = 0; i < dd.length; i++){
re += dd[i];
if(i != dd.length-1) re += "|";
}
this.ddMatch = new RegExp(re + ")");
}
},
// 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.ddMatch && this.ddMatch.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 DateField.format as the date format, according to the same rules as {@link Date#parseDate}
* (the default format used is "m/d/y").
* <br />Usage:
* <pre><code>
//All of these calls set the same date value (May 4, 2006)
//Pass a date object:
var dt = new Date('5/4/06');
dateField.setValue(dt);
//Pass a date string (default format):
dateField.setValue('5/4/06');
//Pass a date string (custom format):
dateField.format = 'Y-m-d';
dateField.setValue('2006-5-4');
</code></pre>
* @param {String/Date} date The date or valid date string
*/
setValue : function(date){
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(){
if(this.menu) {
this.menu.destroy();
}
if(this.wrap){
this.wrap.remove();
}
Ext.form.DateField.superclass.onDestroy.call(this);
},
// private
formatDate : function(date){
return Ext.isDate(date) ? date.dateFormat(this.format) : date;
},
// private
menuListeners : {
select: function(m, d){
this.setValue(d);
},
show : function(){ // retain focus styling
this.onFocus();
},
hide : function(){
this.focus.defer(10, this);
var ml = this.menuListeners;
this.menu.un("select", ml.select, this);
this.menu.un("show", ml.show, this);
this.menu.un("hide", ml.hide, this);
}
},
// 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();
}
Ext.apply(this.menu.picker, {
minDate : this.minValue,
maxDate : this.maxValue,
disabledDatesRE : this.ddMatch,
disabledDatesText : this.disabledDatesText,
disabledDays : this.disabledDays,
disabledDaysText : this.disabledDaysText,
format : this.format,
minText : String.format(this.minText, this.formatDate(this.minValue)),
maxText : String.format(this.maxText, this.formatDate(this.maxValue))
});
this.menu.on(Ext.apply({}, this.menuListeners, {
scope:this
}));
this.menu.picker.setValue(this.getValue() || new Date());
this.menu.show(this.el, "tl-bl?");
},
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);