date.js

dojo与json创建无限级树的时候,当在父结点下添加了一个新结点,我怎么让父亲结点重新调用json加载一下子结点内容.

				      // Monday
				return String(dateObject.getDay() || 7); break;
				
			case "U": // week number of the current year as a decimal number,
				      // starting with the first Sunday as the first day of the
				      // first week
				return _(dojo.date.getWeekOfYear(dateObject)); break;

			case "V": // week number of the year (Monday as the first day of the
				      // week) as a decimal number [01,53]. If the week containing
				      // 1 January has four or more days in the new year, then it 
				      // is considered week 1. Otherwise, it is the last week of 
				      // the previous year, and the next week is week 1.
				return _(dojo.date.getIsoWeekOfYear(dateObject)); break;
				
			case "W": // week number of the current year as a decimal number,
				      // starting with the first Monday as the first day of the
				      // first week
				return _(dojo.date.getWeekOfYear(dateObject, 1)); break;
				
			case "w": // day of the week as a decimal, Sunday being 0
				return String(dateObject.getDay()); break;

			case "x": // preferred date representation for the current locale
				      // without the time
				break;

			case "X": // preferred date representation for the current locale
				      // without the time
				break;

			case "y": // year as a decimal number without a century (range 00 to
				      // 99)
				return _(dateObject.getFullYear()%100); break;
				
			case "Y": // year as a decimal number including the century
				return String(dateObject.getFullYear()); break;
			
			case "z": // time zone or name or abbreviation
				var timezoneOffset = dateObject.getTimezoneOffset();
				return (timezoneOffset < 0 ? "-" : "+") + 
					_(Math.floor(Math.abs(timezoneOffset)/60)) + ":" +
					_(Math.abs(timezoneOffset)%60); break;
				
			case "Z": // time zone or name or abbreviation
				return dojo.date.getTimezoneName(dateObject); break;
			
			case "%":
				return "%"; break;
		}
	}

	// parse the formatting string and construct the resulting string
	var string = "";
	var i = 0, index = 0, switchCase;
	while ((index = format.indexOf("%", i)) != -1) {
		string += format.substring(i, index++);
		
		// inspect modifier flag
		switch (format.charAt(index++)) {
			case "_": // Pad a numeric result string with spaces.
				padChar = " "; break;
			case "-": // Do not pad a numeric result string.
				padChar = ""; break;
			case "0": // Pad a numeric result string with zeros.
				padChar = "0"; break;
			case "^": // Convert characters in result string to upper case.
				switchCase = "upper"; break;
			case "#": // Swap the case of the result string.
				switchCase = "swap"; break;
			default: // no modifer flag so decremenet the index
				padChar = null; index--; break;
		}

		// toggle case if a flag is set
		var property = $(format.charAt(index++));
		if (switchCase == "upper" ||
			(switchCase == "swap" && /[a-z]/.test(property))) {
			property = property.toUpperCase();
		} else if (switchCase == "swap" && !/[a-z]/.test(property)) {
			property = property.toLowerCase();
		}
		var swicthCase = null;
		
		string += property;
		i = index;
	}
	string += format.substring(i);
	
	return string;
}

/* compare and add
 ******************/
dojo.date.compareTypes={
	// 	summary
	//	bitmask for comparison operations.
	DATE:1, TIME:2 
};
dojo.date.compare=function(/* Date */ dateA, /* Date */ dateB, /* int */ options){
	//	summary
	//	Compare two date objects by date, time, or both.
	var dA=dateA;
	var dB=dateB||new Date();
	var now=new Date();
	var opt=options||(dojo.date.compareTypes.DATE|dojo.date.compareTypes.TIME);
	var d1=new Date(
		((opt&dojo.date.compareTypes.DATE)?(dA.getFullYear()):now.getFullYear()), 
		((opt&dojo.date.compareTypes.DATE)?(dA.getMonth()):now.getMonth()), 
		((opt&dojo.date.compareTypes.DATE)?(dA.getDate()):now.getDate()), 
		((opt&dojo.date.compareTypes.TIME)?(dA.getHours()):0), 
		((opt&dojo.date.compareTypes.TIME)?(dA.getMinutes()):0), 
		((opt&dojo.date.compareTypes.TIME)?(dA.getSeconds()):0)
	);
	var d2=new Date(
		((opt&dojo.date.compareTypes.DATE)?(dB.getFullYear()):now.getFullYear()), 
		((opt&dojo.date.compareTypes.DATE)?(dB.getMonth()):now.getMonth()), 
		((opt&dojo.date.compareTypes.DATE)?(dB.getDate()):now.getDate()), 
		((opt&dojo.date.compareTypes.TIME)?(dB.getHours()):0), 
		((opt&dojo.date.compareTypes.TIME)?(dB.getMinutes()):0), 
		((opt&dojo.date.compareTypes.TIME)?(dB.getSeconds()):0)
	);
	if(d1.valueOf()>d2.valueOf()){
		return 1;	//	int
	}
	if(d1.valueOf()<d2.valueOf()){
		return -1;	//	int
	}
	return 0;	//	int
}

dojo.date.dateParts={ 
	//	summary
	//	constants for use in dojo.date.add
	YEAR:0, MONTH:1, DAY:2, HOUR:3, MINUTE:4, SECOND:5, MILLISECOND:6 
};
dojo.date.add=function(/* Date */ d, /* dojo.date.dateParts */ unit, /* int */ amount){
	var n=(amount)?amount:1;
	var v;
	switch(unit){
		case dojo.date.dateParts.YEAR:{
			v=new Date(d.getFullYear()+n, d.getMonth(), d.getDate(), d.getHours(), d.getMinutes(), d.getSeconds(), d.getMilliseconds());
			break;
		}
		case dojo.date.dateParts.MONTH:{
			v=new Date(d.getFullYear(), d.getMonth()+n, d.getDate(), d.getHours(), d.getMinutes(), d.getSeconds(), d.getMilliseconds());
			break;
		}
		case dojo.date.dateParts.HOUR:{
			v=new Date(d.getFullYear(), d.getMonth(), d.getDate(), d.getHours()+n, d.getMinutes(), d.getSeconds(), d.getMilliseconds());
			break;
		}
		case dojo.date.dateParts.MINUTE:{
			v=new Date(d.getFullYear(), d.getMonth(), d.getDate(), d.getHours(), d.getMinutes()+n, d.getSeconds(), d.getMilliseconds());
			break;
		}
		case dojo.date.dateParts.SECOND:{
			v=new Date(d.getFullYear(), d.getMonth(), d.getDate(), d.getHours(), d.getMinutes(), d.getSeconds()+n, d.getMilliseconds());
			break;
		}
		case dojo.date.dateParts.MILLISECOND:{
			v=new Date(d.getFullYear(), d.getMonth(), d.getDate(), d.getHours(), d.getMinutes(), d.getSeconds(), d.getMilliseconds()+n);
			break;
		}
		default:{
			v=new Date(d.getFullYear(), d.getMonth(), d.getDate()+n, d.getHours(), d.getMinutes(), d.getSeconds(), d.getMilliseconds());
		}
	};
	return v;	//	Date
};

/* Deprecated
 *************/


dojo.date.toString = function(date, format){
	dojo.deprecated("dojo.date.toString",
		"use dojo.date.format instead", "0.4");

	if (format.indexOf("#d") > -1) {
		format = format.replace(/#dddd/g, dojo.date.getDayOfWeekName(date));
		format = format.replace(/#ddd/g, dojo.date.getShortDayOfWeekName(date));
		format = format.replace(/#dd/g, (date.getDate().toString().length==1?"0":"")+date.getDate());
		format = format.replace(/#d/g, date.getDate());
	}

	if (format.indexOf("#M") > -1) {
		format = format.replace(/#MMMM/g, dojo.date.getMonthName(date));
		format = format.replace(/#MMM/g, dojo.date.getShortMonthName(date));
		format = format.replace(/#MM/g, ((date.getMonth()+1).toString().length==1?"0":"")+(date.getMonth()+1));
		format = format.replace(/#M/g, date.getMonth() + 1);
	}

	if (format.indexOf("#y") > -1) {
		var fullYear = date.getFullYear().toString();
		format = format.replace(/#yyyy/g, fullYear);
		format = format.replace(/#yy/g, fullYear.substring(2));
		format = format.replace(/#y/g, fullYear.substring(3));
	}

	// Return if only date needed;
	if (format.indexOf("#") == -1) {
		return format;
	}
	
	if (format.indexOf("#h") > -1) {
		var hours = date.getHours();
		hours = (hours > 12 ? hours - 12 : (hours == 0) ? 12 : hours);
		format = format.replace(/#hh/g, (hours.toString().length==1?"0":"")+hours);
		format = format.replace(/#h/g, hours);
	}
	
	if (format.indexOf("#H") > -1) {
		format = format.replace(/#HH/g, (date.getHours().toString().length==1?"0":"")+date.getHours());
		format = format.replace(/#H/g, date.getHours());
	}
	
	if (format.indexOf("#m") > -1) {
		format = format.replace(/#mm/g, (date.getMinutes().toString().length==1?"0":"")+date.getMinutes());
		format = format.replace(/#m/g, date.getMinutes());
	}

	if (format.indexOf("#s") > -1) {
		format = format.replace(/#ss/g, (date.getSeconds().toString().length==1?"0":"")+date.getSeconds());
		format = format.replace(/#s/g, date.getSeconds());
	}
	
	if (format.indexOf("#T") > -1) {
		format = format.replace(/#TT/g, date.getHours() >= 12 ? "PM" : "AM");
		format = format.replace(/#T/g, date.getHours() >= 12 ? "P" : "A");
	}

	if (format.indexOf("#t") > -1) {
		format = format.replace(/#tt/g, date.getHours() >= 12 ? "pm" : "am");
		format = format.replace(/#t/g, date.getHours() >= 12 ? "p" : "a");
	}
					
	return format;
	
}


dojo.date.daysInMonth = function (month, year) {
	dojo.deprecated("daysInMonth(month, year)",
		"replaced by getDaysInMonth(dateObject)", "0.4");
	return dojo.date.getDaysInMonth(new Date(year, month, 1));
}

/**
 *
 * Returns a string of the date in the version "January 1, 2004"
 *
 * @param date The date object
 */
dojo.date.toLongDateString = function(date) {
	dojo.deprecated("dojo.date.toLongDateString",
		'use dojo.date.format(date, "%B %e, %Y") instead', "0.4");
	return dojo.date.format(date, "%B %e, %Y")
}

/**
 *
 * Returns a string of the date in the version "Jan 1, 2004"
 *
 * @param date The date object
 */
dojo.date.toShortDateString = function(date) {
	dojo.deprecated("dojo.date.toShortDateString",
		'use dojo.date.format(date, "%b %e, %Y") instead', "0.4");
	return dojo.date.format(date, "%b %e, %Y");
}

/**
 *
 * Returns military formatted time
 *
 * @param date the date object
 */
dojo.date.toMilitaryTimeString = function(date){
	dojo.deprecated("dojo.date.toMilitaryTimeString",
		'use dojo.date.format(date, "%T")', "0.4");
	return dojo.date.format(date, "%T");
}

/**
 *
 * Returns a string of the date relative to the current date.
 *
 * @param date The date object
 *
 * Example returns:
 * - "1 minute ago"
 * - "4 minutes ago"
 * - "Yesterday"
 * - "2 days ago"
 */
dojo.date.toRelativeString = function(date) {
	var now = new Date();
	var diff = (now - date) / 1000;
	var end = " ago";
	var future = false;
	if(diff < 0) {
		future = true;
		end = " from now";
		diff = -diff;
	}

	if(diff < 60) {
		diff = Math.round(diff);
		return diff + " second" + (diff == 1 ? "" : "s") + end;
	} else if(diff < 3600) {
		diff = Math.round(diff/60);
		return diff + " minute" + (diff == 1 ? "" : "s") + end;
	} else if(diff < 3600*24 && date.getDay() == now.getDay()) {
		diff = Math.round(diff/3600);
		return diff + " hour" + (diff == 1 ? "" : "s") + end;
	} else if(diff < 3600*24*7) {
		diff = Math.round(diff/(3600*24));
		if(diff == 1) {
			return future ? "Tomorrow" : "Yesterday";
		} else {
			return diff + " days" + end;
		}
	} else {
		return dojo.date.toShortDateString(date);
	}
}

/**
 * Retrieves the day of the week the Date is set to.
 *
 * @return The day of the week
 */
dojo.date.getDayOfWeekName = function (date) {
	dojo.deprecated("dojo.date.getDayOfWeekName",
		"use dojo.date.getDayName instead", "0.4");
	return dojo.date.days[date.getDay()];
}

/**
 * Retrieves the short day of the week name the Date is set to.
 *
 * @return The short day of the week name
 */
dojo.date.getShortDayOfWeekName = function (date) {
	dojo.deprecated("dojo.date.getShortDayOfWeekName",
		"use dojo.date.getDayShortName instead", "0.4");
	return dojo.date.shortDays[date.getDay()];
}

/**
 * Retrieves the short month name the Date is set to.
 *
 * @return The short month name
 */
dojo.date.getShortMonthName = function (date) {
	dojo.deprecated("dojo.date.getShortMonthName",
		"use dojo.date.getMonthShortName instead", "0.4");
	return dojo.date.shortMonths[date.getMonth()];
}


/**
 * Convert a Date to a SQL string, optionally ignoring the HH:MM:SS portion of the Date
 */
dojo.date.toSql = function(date, noTime) {
	return dojo.date.format(date, "%F" + !noTime ? " %T" : "");
}

/**
 * Convert a SQL date string to a JavaScript Date object
 */
dojo.date.fromSql = function(sqlDate) {
	var parts = sqlDate.split(/[\- :]/g);
	while(parts.length < 6) {
		parts.push(0);
	}
	return new Date(parts[0], (parseInt(parts[1],10)-1), parts[2], parts[3], parts[4], parts[5]);
}