popcalendar.js

金苹果进销存管理系统-是一个用C#.net编写的非常使用而且功能强大的进销存的B/S系统

	function selectYear(nYear) {
		yearSelected=parseInt(nYear+nStartingYear);
		yearConstructed=false;
		constructCalendar();
		popDownYear();
	}

	function constructYear() {
		popDownMonth()
		sHTML =	""
		if (!yearConstructed) {

			sHTML =	"<tr><td align='center'	onmouseover='this.style.backgroundColor=\"#FFCC99\"' onmouseout='clearInterval(intervalID1);this.style.backgroundColor=\"\"' style='cursor:pointer'	onmousedown='clearInterval(intervalID1);intervalID1=setInterval(\"decYear()\",30)' onmouseup='clearInterval(intervalID1)'>-</td></tr>"

			j =	0
			nStartingYear =	yearSelected-3
			for	(i=(yearSelected-3); i<=(yearSelected+3); i++) {
				sName =	i;
				if (i==yearSelected){
					sName =	"<B>" +	sName +	"</B>"
				}

				sHTML += "<tr><td id='y" + j + "' onmouseover='this.style.backgroundColor=\"#FFCC99\"' onmouseout='this.style.backgroundColor=\"\"' style='cursor:pointer' onclick='selectYear("+j+");event.cancelBubble=true'>&nbsp;" + sName + "&nbsp;</td></tr>"
				j ++;
			}

			sHTML += "<tr><td align='center' onmouseover='this.style.backgroundColor=\"#FFCC99\"' onmouseout='clearInterval(intervalID2);this.style.backgroundColor=\"\"' style='cursor:pointer' onmousedown='clearInterval(intervalID2);intervalID2=setInterval(\"incYear()\",30)'	onmouseup='clearInterval(intervalID2)'>+</td></tr>"

			document.getElementById("selectYear").innerHTML	= "<table width=44 style='font-family:arial; font-size:11px; border-width:1; border-style:solid; border-color:#a0a0a0;'	bgcolor='#FFFFDD' onmouseover='clearTimeout(timeoutID2)' onmouseout='clearTimeout(timeoutID2);timeoutID2=setTimeout(\"popDownYear()\",100)' cellspacing=0>"	+ sHTML	+ "</table>"

			yearConstructed	= true
		}
	}

	function popDownYear() {
		clearInterval(intervalID1)
		clearTimeout(timeoutID1)
		clearInterval(intervalID2)
		clearTimeout(timeoutID2)
		crossYearObj.visibility= "hidden"
	}

	function popUpYear() {
		var	leftOffset

		constructYear()
		crossYearObj.visibility	= (dom||ie)? "visible" : "show"
		leftOffset = parseInt(crossobj.left) + document.getElementById("spanYear").offsetLeft
		if (ie)
		{
			leftOffset += 6
		}
		crossYearObj.left =	leftOffset
		crossYearObj.top = parseInt(crossobj.top) +	26
	}

	/*** calendar ***/
   function WeekNbr(n) {
      // Algorithm used:
      // From Klaus Tondering's Calendar document (The Authority/Guru)
      // hhtp://www.tondering.dk/claus/calendar.html
      // a = (14-month) / 12
      // y = year + 4800 - a
      // m = month + 12a - 3
      // J = day + (153m + 2) / 5 + 365y + y / 4 - y / 100 + y / 400 - 32045
      // d4 = (J + 31741 - (J mod 7)) mod 146097 mod 36524 mod 1461
      // L = d4 / 1460
      // d1 = ((d4 - L) mod 365) + L
      // WeekNumber = d1 / 7 + 1
 
      year = n.getFullYear();
      month = n.getMonth() + 1;
	  /*
      if (startAt == 0) {
         day = n.getDate() + 1;
      }
      else {
         day = n.getDate();
      }*/
	  day = n.getDate() + 1-startAt;
 
      a = Math.floor((14-month) / 12);
      y = year + 4800 - a;
      m = month + 12 * a - 3;
      b = Math.floor(y/4) - Math.floor(y/100) + Math.floor(y/400);
      J = day + Math.floor((153 * m + 2) / 5) + 365 * y + b - 32045;
      d4 = (((J + 31741 - (J % 7)) % 146097) % 36524) % 1461;
      L = Math.floor(d4 / 1460);
      d1 = ((d4 - L) % 365) + L;
      week = Math.floor(d1/7) + 1;
 
      return week;
   }

	function constructCalendar () {
		var aNumDays = Array (31,0,31,30,31,30,31,31,30,31,30,31)

		var dateMessage
		var	startDate =	new	Date (yearSelected,monthSelected,1)
		var endDate

		if (monthSelected==1)
		{
			endDate	= new Date (yearSelected,monthSelected+1,1);
			endDate	= new Date (endDate	- (24*60*60*1000));
			numDaysInMonth = endDate.getDate()
		}
		else
		{
			numDaysInMonth = aNumDays[monthSelected];
		}

		datePointer	= 0
		//dayPointer = startDate.getDay()
		dayPointer = firstdayofweek(startDate.getDay())
		/*
		switch (startAt)
			{
			case (0): dayPointer = dayPointer
			break;
			case (1): dayPointer--
			break;
			case (6): dayPointer++
			break;
			}	
			*/
		//dayPointer = startDate.getDay()// - startAt
		
		if (dayPointer<0)
		{
			//dayPointer = 6
		}

		sHTML =	"<table	 border=0 style='font-family:verdana;font-size:10px;'><tr>"

		if (showWeekNumber==1)
		{
			sHTML += "<td width=27><b>" + weekString + "</b></td><td width=1 rowspan=7 bgcolor='#d0d0d0' style='padding:0px'><img src='"+imgDir+"divider.gif' width=1></td>"
		}

		for	(i=0; i<7; i++)	{
			sHTML += "<td width='27' align='right'><B>"+ dayName[i]+"</B></td>"
		}
		sHTML +="</tr><tr>"
		
		if (showWeekNumber==1)
		{
			sHTML += "<td align=right>" + WeekNbr(startDate) + "&nbsp;</td>"
		}

		for	( var i=1; i<=dayPointer;i++ )
		{
			sHTML += "<td>&nbsp;</td>"
		}
	
		for	( datePointer=1; datePointer<=numDaysInMonth; datePointer++ )
		{
			dayPointer++;
			sHTML += "<td align=right>"
			sStyle=styleAnchor
			if ((datePointer==odateSelected) &&	(monthSelected==omonthSelected)	&& (yearSelected==oyearSelected))
			{ sStyle+=styleLightBorder }

			sHint = ""
			for (k=0;k<HolidaysCounter;k++)
			{
				if ((parseInt(Holidays[k].d)==datePointer)&&(parseInt(Holidays[k].m)==(monthSelected+1)))
				{
					if ((parseInt(Holidays[k].y)==0)||((parseInt(Holidays[k].y)==yearSelected)&&(parseInt(Holidays[k].y)!=0)))
					{
						sStyle+="background-color:#FFDDDD;"
						sHint+=sHint==""?Holidays[k].desc:"\n"+Holidays[k].desc
					}
				}
			}

			var regexp= /\"/g
			sHint=sHint.replace(regexp,"&quot;")

			dateMessage = "onmousemove='window.status=\""+selectDateMessage.replace("[date]",constructDate(datePointer,monthSelected,yearSelected))+"\"' onmouseout='window.status=\"\"' "

			if ((datePointer==dateNow)&&(monthSelected==monthNow)&&(yearSelected==yearNow))
			{ sHTML += "<b><a "+dateMessage+" title=\"" + sHint + "\" style='"+sStyle+"' href='javascript:dateSelected="+datePointer+";closeCalendar();'><font color=#ff0000>&nbsp;" + datePointer + "</font>&nbsp;</a></b>"}
			else if	(dayPointer % 7 == (startAt * -1)+1)
			{ sHTML += "<a "+dateMessage+" title=\"" + sHint + "\" style='"+sStyle+"' href='javascript:dateSelected="+datePointer + ";closeCalendar();'>&nbsp;<font color=#909090>" + datePointer + "</font>&nbsp;</a>" }
			else
			{ sHTML += "<a "+dateMessage+" title=\"" + sHint + "\" style='"+sStyle+"' href='javascript:dateSelected="+datePointer + ";closeCalendar();'>&nbsp;" + datePointer + "&nbsp;</a>" }

			sHTML += ""
			if ((dayPointer+startAt) % 7 == startAt) { 
				sHTML += "</tr><tr>" 
				if ((showWeekNumber==1)&&(datePointer<numDaysInMonth))
				{
					sHTML += "<td align=right>" + (WeekNbr(new Date(yearSelected,monthSelected,datePointer+1))) + "&nbsp;</td>"
				}
			}
		}

		document.getElementById("content").innerHTML   = sHTML
		document.getElementById("spanMonth").innerHTML = "&nbsp;" +	monthName[monthSelected] + "&nbsp;<IMG id='changeMonth' SRC='"+imgDir+"drop1.gif' WIDTH='12' HEIGHT='10' BORDER=0>"
		document.getElementById("spanYear").innerHTML =	"&nbsp;" + yearSelected	+ "&nbsp;<IMG id='changeYear' SRC='"+imgDir+"drop1.gif' WIDTH='12' HEIGHT='10' BORDER=0>"
	}

	function popUpCalendar(ctl,	ctl2, format, top, left) {
		var	leftpos = left
		var	toppos = top
		
		if (isNaN(left))
			leftpos = -235 //-208
			
		if (isNaN(top))
			toppos = 0

		if (bPageLoaded)
		{
			if ( crossobj.visibility ==	"hidden" ) {
				ctlToPlaceValue	= ctl2
				dateFormat=format;

				formatChar = " "
				aFormat	= dateFormat.split(formatChar)
				if (aFormat.length<3)
				{
					formatChar = "/"
					aFormat	= dateFormat.split(formatChar)
					if (aFormat.length<3)
					{
						formatChar = "."
						aFormat	= dateFormat.split(formatChar)
						if (aFormat.length<3)
						{
							formatChar = "-"
							aFormat	= dateFormat.split(formatChar)
							if (aFormat.length<3)
							{
								// invalid date	format
								formatChar=""
							}
						}
					}
				}
        
				tokensChanged =	0
				if ( formatChar	!= "" )
				{
					// use user's date
					aData =	ctl2.value.split(formatChar)

					for	(i=0;i<3;i++)
					{
						if ((aFormat[i]=="d") || (aFormat[i]=="dd"))
						{
							dateSelected = parseInt(aData[i], 10)
							tokensChanged ++
						}
						else if	((aFormat[i]=="m") || (aFormat[i]=="mm"))
						{
							monthSelected =	parseInt(aData[i], 10) - 1
							tokensChanged ++
						}
						else if	(aFormat[i]=="yyyy")
						{
							yearSelected = parseInt(aData[i], 10)
							tokensChanged ++
						}
						else if	(aFormat[i]=="mmm")
						{
							for	(j=0; j<12;	j++)
							{
								if (aData[i]==monthName[j])
								{
									monthSelected=j
									tokensChanged ++
								}
							}
						}
					}
				}

				if ((tokensChanged!=3)||isNaN(dateSelected)||isNaN(monthSelected)||isNaN(yearSelected))
				{
					dateSelected = dateNow
					monthSelected =	monthNow
					yearSelected = yearNow
				}

				odateSelected=dateSelected
				omonthSelected=monthSelected
				oyearSelected=yearSelected

				aTag = ctl
				do {
					aTag = aTag.offsetParent;
					leftpos	+= aTag.offsetLeft;
					toppos += aTag.offsetTop;
				} while(aTag.tagName!="BODY");

				crossobj.left =	fixedX==-1 ? ctl.offsetLeft	+ leftpos :	fixedX
				crossobj.top = fixedY==-1 ?	ctl.offsetTop +	toppos + ctl.offsetHeight +	2 :	fixedY
				constructCalendar (1, monthSelected, yearSelected);
				crossobj.visibility=(dom||ie)? "visible" : "show"

				hideElement( 'SELECT', document.getElementById("calendar") );
				hideElement( 'APPLET', document.getElementById("calendar") );			

				bShow = true;
			}
			else
			{
				hideCalendar()
				if (ctlNow!=ctl) {popUpCalendar(ctl, ctl2, format)}
			}
			ctlNow = ctl
		}
	}

	document.onkeypress = function hidecal1 () { 
		if (event.keyCode==27) 
		{
			hideCalendar()
		}
	}
	document.onclick = function hidecal2 () { 		
		if (!bShow)
		{
			hideCalendar()
		}
		bShow = false
	}

	if(ie)
	{
		init()
	}
	else
	{
		window.onload=init
	}