popcalendarch.js

使用ajax编写的日历控件, 可直接再应用程序中使用.

   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,imgPath) {
  var leftpos = left
  var toppos = top
  imgDir = imgPath
  if(imgPath=="")
      imgDir='img/';
  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
  }
  swapImage("changeLeft","left1.gif")
  swapImage("changeRight","right1.gif")
 }

 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
 }
 
 function DateFormatTest(DateTime,dateFormats,Alt)
 {
  var ttime=DateTime.value;
  var dataFormat = dateFormats
  if(ttime==null)
  {
  return;
  }
  if(ttime=="") {
  return;
  }
  
  var reg;
  
  if ( dateFormat == "yyyy-mm-dd" )
  {
   reg=/^\d{4}-\d{1,2}-\d{1,2}＄/;
  }
  else // dateFormat = "mm-dd-yyyy"  or "dd-mm-yyyy"
  {
   reg=/^\d{1,2}-\d{1,2}-\d{4}＄/;
  }
  
  
  var r = ttime.match(reg)
  if(r==null)
  {
  alert(Alt);
  DateTime.focus();
  return;
  }
  
  var s=ttime.split("-");
  if( dateFormat == "dd-mm-yyyy")
  {
   if(s[0]<1||s[0]>31||s[1]<1||s[1]>12||s[2].substring(0,2)<19||s[2].substring(0,2)>22)
   {
    alert(Alt);
    DateTime.select();
    return;
   }
  }
  if( dateFormat == "mm-dd-yyyy")
  {
   if(s[1]<1||s[1]>12||s[0]<1||s[0]>31||s[2].substring(0,2)<19||s[2].substring(0,2)>22)
   {
    alert(Alt);
    DateTime.select();
    return;
   }
  }
  if( dateFormat == "dd-mm-yyyy")
  {
   if(s[2].substring(0,2)<19||s[2].substring(0,2)>22||s[0]<1||s[0]>31||s[1]<1||s[1]>12)
   {
    alert(Alt);
    DateTime.select();
    return;
   }
  }
  return true;
  
 }