datepicker.js

struts hibernet spring

				if(dojo.html.hasClass(currentCalendarNode,this.classNames.selectedDate)){
					this.selectedNode = currentCalendarNode;
				}
				nextDate = dojo.date.add(nextDate, dojo.date.dateParts.DAY, 1);
			}
			this.lastDay = dojo.date.add(nextDate,dojo.date.dateParts.DAY,-1);
			this._initControls();
		},
		_initControls: function(){
			var d = this.firstDay;
			var d2 = this.lastDay;
			var decWeek, incWeek, decMonth, incMonth, decYear, incYear;
			decWeek = incWeek = decMonth = incMonth = decYear = incYear = !this.staticDisplay;
			with(dojo.date.dateParts){
				var add = dojo.date.add;
				if(decWeek && add(d,DAY,(-1*(this._getAdjustedDay(d)+1)))<this.startDate){
					decWeek = decMonth = decYear = false;
				}
				if(incWeek && d2>this.endDate){
					incWeek = incMonth = incYear = false;
				}
				if(decMonth && add(d,DAY,-1)<this.startDate){
					decMonth = decYear = false;
				}
				if(incMonth && add(d2,DAY,1)>this.endDate){
					incMonth = incYear = false;
				}
				if(decYear && add(d2,YEAR,-1)<this.startDate){
					decYear = false;
				}
				if(incYear && add(d,YEAR,1)>this.endDate){
					incYear = false;
				}
			}

			function enableControl(node, enabled){
				dojo.html.setVisibility(node, enabled ? '' : 'hidden');
			}
			enableControl(this.decreaseWeekNode,decWeek);
			enableControl(this.increaseWeekNode,incWeek);
			enableControl(this.decreaseMonthNode,decMonth);
			enableControl(this.increaseMonthNode,incMonth);
			enableControl(this.previousYearLabelNode,decYear);
			enableControl(this.nextYearLabelNode,incYear);
		},
		
		_incrementWeek: function(evt) {
			var d = new Date(this.firstDay);
			switch(evt.target) {
				case this.increaseWeekNode.getElementsByTagName("img").item(0): 
				case this.increaseWeekNode:
					var tmpDate = dojo.date.add(d, dojo.date.dateParts.WEEK, 1);
					if(tmpDate < this.endDate){
						d = dojo.date.add(d, dojo.date.dateParts.WEEK, 1);
					}
					break;
				case this.decreaseWeekNode.getElementsByTagName("img").item(0):
				case this.decreaseWeekNode:
					if(d >= this.startDate){
						d = dojo.date.add(d, dojo.date.dateParts.WEEK, -1);
					}
					break;
			}
			this._preInitUI(d,true,true);
		},
	
		_incrementMonth: function(evt) {
			var d = new Date(this.curMonth);
			var tmpDate = new Date(this.firstDay);
			switch(evt.currentTarget) {
				case this.increaseMonthNode.getElementsByTagName("img").item(0):
				case this.increaseMonthNode:
					tmpDate = dojo.date.add(tmpDate, dojo.date.dateParts.DAY, this.displayWeeks*7);
					if(tmpDate < this.endDate){
						d = dojo.date.add(d, dojo.date.dateParts.MONTH, 1);
					}else{
						var revertToEndDate = true;
					}
					break;
				case this.decreaseMonthNode.getElementsByTagName("img").item(0):
				case this.decreaseMonthNode:
					if(tmpDate > this.startDate){
						d = dojo.date.add(d, dojo.date.dateParts.MONTH, -1);
					}else{
						var revertToStartDate = true;
					}
					break;
			}
			if(revertToStartDate){
				d = new Date(this.startDate);
			}else if(revertToEndDate){
				d = new Date(this.endDate);
			}
			this._preInitUI(d,false,true);
		},
	
		_incrementYear: function(evt) {
			var year = this.curMonth.getFullYear();
			var tmpDate = new Date(this.firstDay);
			switch(evt.target) {
				case this.nextYearLabelNode:
					tmpDate = dojo.date.add(tmpDate, dojo.date.dateParts.YEAR, 1);
					if(tmpDate<this.endDate){
						year++;
					}else{
						var revertToEndDate = true;
					}
					break;
				case this.previousYearLabelNode:
					tmpDate = dojo.date.add(tmpDate, dojo.date.dateParts.YEAR, -1);
					if(tmpDate>this.startDate){
						year--;
					}else{
						var revertToStartDate = true;
					}
					break;
			}
			var d;
			if(revertToStartDate){
				d = new Date(this.startDate);
			}else if(revertToEndDate){
				d = new Date(this.endDate);
			}else{
				d = new Date(year, this.curMonth.getMonth(), 1);
			}
			this._preInitUI(d,false,true);
		},
	
		onIncrementWeek: function(/*Event*/evt) {
			// summary: handler for increment week event
			evt.stopPropagation();
			if(!this.staticDisplay){
				this._incrementWeek(evt);
			}
		},
	
		onIncrementMonth: function(/*Event*/evt) {
			// summary: handler for increment month event
			evt.stopPropagation();
			if(!this.staticDisplay){
				this._incrementMonth(evt);
			}
		},
		
		onIncrementYear: function(/*Event*/evt) {
			// summary: handler for increment year event
			evt.stopPropagation();
			if(!this.staticDisplay){
				this._incrementYear(evt);
			}
		},
	
		_setMonthLabel: function(monthIndex) {
			this.monthLabelNode.innerHTML = dojo.date.getNames('months', 'wide', 'standAlone', this.lang)[monthIndex];
		},
		
		_setYearLabels: function(year) {
			var y = year - 1;
			var that = this;
			function f(n){
				that[n+"YearLabelNode"].innerHTML =
					dojo.date.format(new Date(y++, 0), {formatLength:'yearOnly', locale:that.lang});
			}
			f("previous");
			f("current");
			f("next");
		},
		
		_getDateClassName: function(date, monthState) {
			var currentClassName = this.classNames[monthState];
			//we use Number comparisons because 2 dateObjects never seem to equal each other otherwise
			if ((!this.selectedIsUsed && this.value) && (Number(date) == Number(this.value))) {
				currentClassName = this.classNames.selectedDate + " " + currentClassName;
				this.selectedIsUsed = true;
			}
			if((!this.currentIsUsed) && (Number(date) == Number(this.today))) {
				currentClassName = currentClassName + " "  + this.classNames.currentDate;
				this.currentIsUsed = true;
			}
			return currentClassName;
		},
	
		onClick: function(/*Event*/evt) {
			//summary: the click event handler
			dojo.event.browser.stopEvent(evt);
		},

		_handleUiClick: function(/*Event*/evt) {
			var eventTarget = evt.target;
			if(eventTarget.nodeType != dojo.dom.ELEMENT_NODE){eventTarget = eventTarget.parentNode;}
			dojo.event.browser.stopEvent(evt);
			this.selectedIsUsed = this.todayIsUsed = false;
			var month = this.curMonth.getMonth();
			var year = this.curMonth.getFullYear();
			if(dojo.html.hasClass(eventTarget, this.classNames["disabledPrevious"])||dojo.html.hasClass(eventTarget, this.classNames["disabledCurrent"])||dojo.html.hasClass(eventTarget, this.classNames["disabledNext"])){
				return; //this date is disabled... ignore it
			}else if (dojo.html.hasClass(eventTarget, this.classNames["next"])) {
				month = ++month % 12;
				if(month===0){++year;}
			} else if (dojo.html.hasClass(eventTarget, this.classNames["previous"])) {
				month = --month % 12;
				if(month==11){--year;}
			}
			this.clickedNode = eventTarget;
			this.setDate(new Date(year, month, eventTarget.innerHTML));
		},
		
		onValueChanged: function(/*Date*/date) {
			//summary: the set date event handler
		},
		
		_isDisabledDate: function(dateObj){
			if(dateObj<this.startDate||dateObj>this.endDate){
				return true;
			}

			return this.isDisabledDate(dateObj, this.lang);
		},

		isDisabledDate: function(/*Date*/dateObj, /*String?*/locale){
		// summary:
		//	May be overridden to disable certain dates in the calendar e.g. isDisabledDate=dojo.date.isWeekend

			return false; // Boolean
		},

		_initFirstDay: function(/*Date*/dateObj, /*Boolean*/adj){
			//adj: false for first day of month, true for first day of week adjusted by startOfWeek
			var d = new Date(dateObj);
			if(!adj){d.setDate(1);}
			d.setDate(d.getDate()-this._getAdjustedDay(d,this.weekStartsOn));
			d.setHours(0,0,0,0);
			return d; // Date
		},

		_getAdjustedDay: function(/*Date*/dateObj){
			//summary: used to adjust date.getDay() values to the new values based on the current first day of the week value
			var days = [0,1,2,3,4,5,6];
			if(this.weekStartsOn>0){
				for(var i=0;i<this.weekStartsOn;i++){
					days.unshift(days.pop());
				}
			}
			return days[dateObj.getDay()]; // Number: 0..6 where 0=Sunday
		}
	}
);