New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f

1 files changed, 343 insertions, 0 deletions

diff --git a/includes/js/dojo/date.js b/includes/js/dojo/date.js
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+if(!dojo._hasResource["dojo.date"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojo.date"] = true;
+dojo.provide("dojo.date");
+
+/*=====
+dojo.date = {
+	// summary: Date manipulation utilities
+}
+=====*/
+
+dojo.date.getDaysInMonth = function(/*Date*/dateObject){
+	//	summary:
+	//		Returns the number of days in the month used by dateObject
+	var month = dateObject.getMonth();
+	var days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
+	if(month == 1 && dojo.date.isLeapYear(dateObject)){ return 29; } // Number
+	return days[month]; // Number
+}
+
+dojo.date.isLeapYear = function(/*Date*/dateObject){
+	//	summary:
+	//		Determines if the year of the dateObject is a leap year
+	//	description:
+	//		Leap years are years with an additional day YYYY-02-29, where the
+	//		year number is a multiple of four with the following exception: If
+	//		a year is a multiple of 100, then it is only a leap year if it is
+	//		also a multiple of 400. For example, 1900 was not a leap year, but
+	//		2000 is one.
+
+	var year = dateObject.getFullYear();
+	return !(year%400) || (!(year%4) && !!(year%100)); // Boolean
+}
+
+// FIXME: This is not localized
+dojo.date.getTimezoneName = function(/*Date*/dateObject){
+	//	summary:
+	//		Get the user's time zone as provided by the browser
+	// dateObject:
+	//		Needed because the timezone may vary with time (daylight savings)
+	//	description:
+	//		Try to get time zone info from toString or toLocaleString method of
+	//		the Date object -- UTC offset is not a time zone.  See
+	//		http://www.twinsun.com/tz/tz-link.htm Note: results may be
+	//		inconsistent across browsers.
+
+	var str = dateObject.toString(); // Start looking in toString
+	var tz = ''; // The result -- return empty string if nothing found
+	var match;
+
+	// First look for something in parentheses -- fast lookup, no regex
+	var pos = str.indexOf('(');
+	if(pos > -1){
+		tz = str.substring(++pos, str.indexOf(')'));
+	}else{
+		// If at first you don't succeed ...
+		// If IE knows about the TZ, it appears before the year
+		// Capital letters or slash before a 4-digit year 
+		// at the end of string
+		var pat = /([A-Z\/]+) \d{4}$/;
+		if((match = str.match(pat))){
+			tz = match[1];
+		}else{
+		// Some browsers (e.g. Safari) glue the TZ on the end
+		// of toLocaleString instead of putting it in toString
+			str = dateObject.toLocaleString();
+			// Capital letters or slash -- end of string, 
+			// after space
+			pat = / ([A-Z\/]+)$/;
+			if((match = str.match(pat))){
+				tz = match[1];
+			}
+		}
+	}
+
+	// Make sure it doesn't somehow end up return AM or PM
+	return (tz == 'AM' || tz == 'PM') ? '' : tz; // String
+}
+
+// Utility methods to do arithmetic calculations with Dates
+
+dojo.date.compare = function(/*Date*/date1, /*Date?*/date2, /*String?*/portion){
+	//	summary:
+	//		Compare two date objects by date, time, or both.
+	//	description:
+	//  	Returns 0 if equal, positive if a > b, else negative.
+	//	date1:
+	//		Date object
+	//	date2:
+	//		Date object.  If not specified, the current Date is used.
+	//	portion:
+	//		A string indicating the "date" or "time" portion of a Date object.
+	//		Compares both "date" and "time" by default.  One of the following:
+	//		"date", "time", "datetime"
+
+	// Extra step required in copy for IE - see #3112
+	date1 = new Date(Number(date1));
+	date2 = new Date(Number(date2 || new Date()));
+
+	if(portion !== "undefined"){
+		if(portion == "date"){
+			// Ignore times and compare dates.
+			date1.setHours(0, 0, 0, 0);
+			date2.setHours(0, 0, 0, 0);
+		}else if(portion == "time"){
+			// Ignore dates and compare times.
+			date1.setFullYear(0, 0, 0);
+			date2.setFullYear(0, 0, 0);
+		}
+	}
+	
+	if(date1 > date2){ return 1; } // int
+	if(date1 < date2){ return -1; } // int
+	return 0; // int
+};
+
+dojo.date.add = function(/*Date*/date, /*String*/interval, /*int*/amount){
+	//	summary:
+	//		Add to a Date in intervals of different size, from milliseconds to years
+	//	date: Date
+	//		Date object to start with
+	//	interval:
+	//		A string representing the interval.  One of the following:
+	//			"year", "month", "day", "hour", "minute", "second",
+	//			"millisecond", "quarter", "week", "weekday"
+	//	amount:
+	//		How much to add to the date.
+
+	var sum = new Date(Number(date)); // convert to Number before copying to accomodate IE (#3112)
+	var fixOvershoot = false;
+	var property = "Date";
+
+	switch(interval){
+		case "day":
+			break;
+		case "weekday":
+			//i18n FIXME: assumes Saturday/Sunday weekend, but this is not always true.  see dojo.cldr.supplemental
+
+			// Divide the increment time span into weekspans plus leftover days
+			// e.g., 8 days is one 5-day weekspan / and two leftover days
+			// Can't have zero leftover days, so numbers divisible by 5 get
+			// a days value of 5, and the remaining days make up the number of weeks
+			var days, weeks;
+			var mod = amount % 5;
+			if(!mod){
+				days = (amount > 0) ? 5 : -5;
+				weeks = (amount > 0) ? ((amount-5)/5) : ((amount+5)/5);
+			}else{
+				days = mod;
+				weeks = parseInt(amount/5);
+			}
+			// Get weekday value for orig date param
+			var strt = date.getDay();
+			// Orig date is Sat / positive incrementer
+			// Jump over Sun
+			var adj = 0;
+			if(strt == 6 && amount > 0){
+				adj = 1;
+			}else if(strt == 0 && amount < 0){
+			// Orig date is Sun / negative incrementer
+			// Jump back over Sat
+				adj = -1;
+			}
+			// Get weekday val for the new date
+			var trgt = strt + days;
+			// New date is on Sat or Sun
+			if(trgt == 0 || trgt == 6){
+				adj = (amount > 0) ? 2 : -2;
+			}
+			// Increment by number of weeks plus leftover days plus
+			// weekend adjustments
+			amount = (7 * weeks) + days + adj;
+			break;
+		case "year":
+			property = "FullYear";
+			// Keep increment/decrement from 2/29 out of March
+			fixOvershoot = true;
+			break;
+		case "week":
+			amount *= 7;
+			break;
+		case "quarter":
+			// Naive quarter is just three months
+			amount *= 3;
+			// fallthrough...
+		case "month":
+			// Reset to last day of month if you overshoot
+			fixOvershoot = true;
+			property = "Month";
+			break;
+		case "hour":
+		case "minute":
+		case "second":
+		case "millisecond":
+			property = "UTC"+interval.charAt(0).toUpperCase() + interval.substring(1) + "s";
+	}
+
+	if(property){
+		sum["set"+property](sum["get"+property]()+amount);
+	}
+
+	if(fixOvershoot && (sum.getDate() < date.getDate())){
+		sum.setDate(0);
+	}
+
+	return sum; // Date
+};
+
+dojo.date.difference = function(/*Date*/date1, /*Date?*/date2, /*String?*/interval){
+	//	summary:
+	//		Get the difference in a specific unit of time (e.g., number of
+	//		months, weeks, days, etc.) between two dates, rounded to the
+	//		nearest integer.
+	//	date1:
+	//		Date object
+	//	date2:
+	//		Date object.  If not specified, the current Date is used.
+	//	interval:
+	//		A string representing the interval.  One of the following:
+	//			"year", "month", "day", "hour", "minute", "second",
+	//			"millisecond", "quarter", "week", "weekday"
+	//		Defaults to "day".
+
+	date2 = date2 || new Date();
+	interval = interval || "day";
+	var yearDiff = date2.getFullYear() - date1.getFullYear();
+	var delta = 1; // Integer return value
+
+	switch(interval){
+		case "quarter":
+			var m1 = date1.getMonth();
+			var m2 = date2.getMonth();
+			// Figure out which quarter the months are in
+			var q1 = Math.floor(m1/3) + 1;
+			var q2 = Math.floor(m2/3) + 1;
+			// Add quarters for any year difference between the dates
+			q2 += (yearDiff * 4);
+			delta = q2 - q1;
+			break;
+		case "weekday":
+			var days = Math.round(dojo.date.difference(date1, date2, "day"));
+			var weeks = parseInt(dojo.date.difference(date1, date2, "week"));
+			var mod = days % 7;
+
+			// Even number of weeks
+			if(mod == 0){
+				days = weeks*5;
+			}else{
+				// Weeks plus spare change (< 7 days)
+				var adj = 0;
+				var aDay = date1.getDay();
+				var bDay = date2.getDay();
+
+				weeks = parseInt(days/7);
+				mod = days % 7;
+				// Mark the date advanced by the number of
+				// round weeks (may be zero)
+				var dtMark = new Date(date1);
+				dtMark.setDate(dtMark.getDate()+(weeks*7));
+				var dayMark = dtMark.getDay();
+
+				// Spare change days -- 6 or less
+				if(days > 0){
+					switch(true){
+						// Range starts on Sat
+						case aDay == 6:
+							adj = -1;
+							break;
+						// Range starts on Sun
+						case aDay == 0:
+							adj = 0;
+							break;
+						// Range ends on Sat
+						case bDay == 6:
+							adj = -1;
+							break;
+						// Range ends on Sun
+						case bDay == 0:
+							adj = -2;
+							break;
+						// Range contains weekend
+						case (dayMark + mod) > 5:
+							adj = -2;
+					}
+				}else if(days < 0){
+					switch(true){
+						// Range starts on Sat
+						case aDay == 6:
+							adj = 0;
+							break;
+						// Range starts on Sun
+						case aDay == 0:
+							adj = 1;
+							break;
+						// Range ends on Sat
+						case bDay == 6:
+							adj = 2;
+							break;
+						// Range ends on Sun
+						case bDay == 0:
+							adj = 1;
+							break;
+						// Range contains weekend
+						case (dayMark + mod) < 0:
+							adj = 2;
+					}
+				}
+				days += adj;
+				days -= (weeks*2);
+			}
+			delta = days;
+			break;
+		case "year":
+			delta = yearDiff;
+			break;
+		case "month":
+			delta = (date2.getMonth() - date1.getMonth()) + (yearDiff * 12);
+			break;
+		case "week":
+			// Truncate instead of rounding
+			// Don't use Math.floor -- value may be negative
+			delta = parseInt(dojo.date.difference(date1, date2, "day")/7);
+			break;
+		case "day":
+			delta /= 24;
+			// fallthrough
+		case "hour":
+			delta /= 60;
+			// fallthrough
+		case "minute":
+			delta /= 60;
+			// fallthrough
+		case "second":
+			delta /= 1000;
+			// fallthrough
+		case "millisecond":
+			delta *= date2.getTime() - date1.getTime();
+	}
+
+	// Round for fractional values and DST leaps
+	return Math.round(delta); // Number (integer)
+};
+
+}