Wednesday, November 25, 2009

Javascript function for Datepicker

Posted by bala at 10:46 AM

/*   -----------Date picker start-----------  */

var datePickerDivID = "datepicker";
var iFrameDivID = "datepickeriframe";
var dayArrayShort = new Array('Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa');
var dayArrayMed = new Array('Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat');
var dayArrayLong = new Array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday');
var monthArrayShort = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
var monthArrayMed = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'June', 'July', 'Aug', 'Sept', 'Oct', 'Nov', 'Dec');
var monthArrayLong = new Array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December');
var defaultDateSeparator = "/";
var defaultDateFormat = "dmy";
var dateSeparator = defaultDateSeparator;
var dateFormat = defaultDateFormat;
function displayDatePicker(dateFieldName, displayBelowThisObject, dtFormat, dtSep)
{
  var targetDateField = document.getElementsByName (dateFieldName).item(0);
  if (!displayBelowThisObject)
    displayBelowThisObject = targetDateField;
  if (dtSep)
    dateSeparator = dtSep;
  else
    dateSeparator = defaultDateSeparator;

  if (dtFormat)
    dateFormat = dtFormat;
  else
    dateFormat = defaultDateFormat;
  var x = displayBelowThisObject.offsetLeft;
  var y = displayBelowThisObject.offsetTop + displayBelowThisObject.offsetHeight ;
  var parent = displayBelowThisObject;
  while (parent.offsetParent) {
    parent = parent.offsetParent;
    x += parent.offsetLeft;
    y += parent.offsetTop ;
  }
  drawDatePicker(targetDateField, x, y);
}
function drawDatePicker(targetDateField, x, y)
{
  datePickerTempCanclose=true;
  var dt = getFieldDate(targetDateField.value );
  if (!document.getElementById(datePickerDivID)) {
    var newNode = document.createElement("div");
    newNode.setAttribute("id", datePickerDivID);
    newNode.setAttribute("class", "dpDiv");
    newNode.setAttribute("style", "visibility: hidden;");
    document.body.appendChild(newNode);
  }
  var pickerDiv = document.getElementById(datePickerDivID);
  pickerDiv.style.position = "absolute";
  pickerDiv.style.left = x + "px";
  pickerDiv.style.top = y + "px";
  pickerDiv.style.visibility = (pickerDiv.style.visibility == "visible" ? "hidden" : "visible");
  pickerDiv.style.display = (pickerDiv.style.display == "block" ? "none" : "block");
  pickerDiv.style.zIndex = 10000;
  refreshDatePicker(targetDateField.name, dt.getFullYear(), dt.getMonth(), dt.getDate());
}
function getLMSGMTDate(){
  try{
        var date = new Date();
        var tempDateArray1 = LMSGMT.split(' ');
      var tempDateArray2 = tempDateArray1[0].split('/');
      var ye = parseInt(tempDateArray2[2]);
      var mo = (parseInt(tempDateArray2[1])==0?parseInt(tempDateArray2[1].charAt(1)):parseInt(tempDateArray2[1]))-1;
      var da = (parseInt(tempDateArray2[0])==0?parseInt(tempDateArray2[0].charAt(1)):parseInt(tempDateArray2[0]));//parseInt(tempDateArray2[0]);
      var tempDateArray3 = tempDateArray1[1].split(':');
      var hour = tempDateArray3[0];
      var min = tempDateArray3[1];
      var sec = tempDateArray3[2];
      var thisDay = new Date(ye,mo,da,hour,min,sec);
      return thisDay;
  }catch(e){return new Date();}
}
function setDateTimePickerToFields(ids){
     var dateTimeArray = LMSGMT.split(' ');
    var dateArray = dateTimeArray[0].split('/');
    var timeArray = dateTimeArray[1].split(':');
    var dateArg = parseInt(dateArray[2]+dateArray[1]+dateArray[0]);
    var timeArg = timeArray[0]+timeArray[1];
    var id=ids.split(",");
    for(var i=0;i
        var cal = Calendar.setup({
              onSelect: function(cal) {
                cal.hide();
              },
              date: dateArg,
              time:timeArg,
              showTime: 12
          });
          cal.manageFields(id[i], id[i], "%d/%b/%Y %H:%M:%S");
          cal.selection.set(dateArg);
      }
}
function refreshDatePicker(dateFieldName, year, month, day){
  /*var tempDateArray = LMSGMT.split('/');
  var ye = parseInt(tempDateArray[2])-1900;
  var mo = 0;
  var da = parseInt(tempDateArray[0]);
  for(var monIndex =0 ;monIndex<12;monIndex++){
      if(tempDateArray[1]==monthArrayShort[monIndex]){
          mo = monIndex;
      }
  }
  var thisDay = new Date(ye,mo,da);*/
  var thisDay = getLMSGMTDate();
  if ((month >= 0) && (year > 0)) {
      day = thisDay.getDate();
    thisDay = new Date(year, month, 1);
  } else {
    day = thisDay.getDate();
    thisDay.setDate(1);
  }
  var crlf = "\r\n";
  var TABLE = "

" + crlf;   var xTABLE = "
" + crlf;
  var TR = "";
  var TR_title = "";
  var TR_days = "";
  var TR_todaybutton = "";
  var xTR = "" + crlf;
  var TD = "
  var TD_title = "";
  var TD_buttons = "";
  var TD_todaybutton = "";
  var TD_days = "";
  var TD_selected = "
  var xTD = "" + crlf;
  var DIV_title = "
";
  var DIV_selected = "
";
  var xDIV = "
";
  var html = TABLE;
  html += TR_title;
  html += TD_buttons + getButtonCode(dateFieldName, thisDay, -1, "<") + xTD;
  html += TD_title + DIV_title + monthArrayShort[ thisDay.getMonth()] + " " + thisDay.getFullYear() + xDIV + xTD;
   html += TD_buttons + getButtonCode(dateFieldName, thisDay, 1, ">") + xTD;
  html += xTR;
  html += TR_days;
  for(i = 0; i < dayArrayShort.length; i++)
  html += TD_days + dayArrayShort[i] + xTD;
  html += xTR;
  html += TR;
  for (i = 0; i < thisDay.getDay(); i++)
    html += TD + " " + xTD;
  do {
    dayNum = thisDay.getDate();
    TD_onclick = " onclick=\"updateDateField('" + dateFieldName + "', '" + getDateString(thisDay) + "');\">";
    if (dayNum == day)
      html += TD_selected + TD_onclick + DIV_selected + dayNum + xDIV + xTD;
    else
      html += TD + TD_onclick + dayNum + xTD;
    if (thisDay.getDay() == 6)
      html += xTR + TR;  
    thisDay.setDate(thisDay.getDate() + 1);
  } while (thisDay.getDate() > 1)
  if (thisDay.getDay() > 0) {
    for (i = 6; i > thisDay.getDay(); i--)
      html += TD + " " + xTD;
  }
  html += xTR;
  var today = new Date();
  var todayString = "Today is " + dayArrayMed[today.getDay()] + ", " + monthArrayShort[ today.getMonth()] + " " + today.getDate();
  html += TR_todaybutton + TD_todaybutton;
  html += " ";
  html += "";
  html += xTD + xTR;
  html += xTABLE;
  document.getElementById(datePickerDivID).innerHTML = html;
  adjustiFrame();
}
function getButtonCode(dateFieldName, dateVal, adjust, label)
{
  var newMonth = (dateVal.getMonth () + adjust) % 12;
  var newYear = dateVal.getFullYear() + parseInt((dateVal.getMonth() + adjust) / 12);
  if (newMonth < 0) {
    newMonth += 12;
    newYear += -1;
  }
  return "";
}
function getDateString(dateVal)
{
  var dayString = "00" + dateVal.getDate();
  var monthString =monthArrayShort[ dateVal.getMonth()];
  dayString = dayString.substring(dayString.length - 2);
  monthString = monthString.substring(monthString.length - 3);
  switch (dateFormat) {
    case "dmy" :
      return dayString + dateSeparator + monthString + dateSeparator + dateVal.getFullYear();
    case "ymd" :
      return dateVal.getFullYear() + dateSeparator + monthString + dateSeparator + dayString;
    case "mdy" :
    default :
      return monthString + dateSeparator + dayString + dateSeparator + dateVal.getFullYear();
  }
}
function getFieldDate(dateString)
{
  var dateVal;
  var dArray;
  var d, m, y;
  try {
    dArray = splitDateString(dateString);
    if (dArray) {
      switch (dateFormat) {
        case "dmy" :
          d = parseInt(dArray[0], 10);
          m = parseInt(dArray[1], 10) - 1;
          y = parseInt(dArray[2], 10);
          break;
        case "ymd" :
          d = parseInt(dArray[2], 10);
          m = parseInt(dArray[1], 10) - 1;
          y = parseInt(dArray[0], 10);
          break;
        case "mdy" :
        default :
          d = parseInt(dArray[1], 10);
          m = parseInt(dArray[0], 10) - 1;
          y = parseInt(dArray[2], 10);
          break;
      }
      dateVal = new Date(y, m, d);
    } else if (dateString) {
      dateVal = new Date(dateString);
    } else {
      dateVal = getLMSGMTDate();
    }
  } catch(e) {
    dateVal = getLMSGMTDate();
  }
  return dateVal;
}
function splitDateString(dateString)
{
  var dArray;
  if (dateString.indexOf("/") >= 0)
    dArray = dateString.split("/");
  else if (dateString.indexOf(".") >= 0)
    dArray = dateString.split(".");
  else if (dateString.indexOf("-") >= 0)
    dArray = dateString.split("-");
  else if (dateString.indexOf("\\") >= 0)
    dArray = dateString.split("\\");
  else
    dArray = false;
  return dArray;
}
function updateDateField(dateFieldName, dateString)
{
  var targetDateField = document.getElementsByName (dateFieldName).item(0);
  if (dateString)
    targetDateField.value = dateString;
  var pickerDiv = document.getElementById(datePickerDivID);
  pickerDiv.style.visibility = "hidden";
  pickerDiv.style.display = "none";
  adjustiFrame();
  targetDateField.focus();
  if ((dateString) && (typeof(datePickerClosed) == "function"))
    datePickerClosed(targetDateField);
}
function adjustiFrame(pickerDiv, iFrameDiv)
{
  var is_opera = (navigator.userAgent.toLowerCase().indexOf("opera") != -1);
  if (is_opera)
    return;
  try {
    if (!document.getElementById(iFrameDivID)) {
      var newNode = document.createElement("iFrame");
      newNode.setAttribute("id", iFrameDivID);
      newNode.setAttribute("src", "javascript:false;");
      newNode.setAttribute("scrolling", "no");
      newNode.setAttribute ("frameborder", "0");
      document.body.appendChild(newNode);
    }
    if (!pickerDiv)
      pickerDiv = document.getElementById(datePickerDivID);
    if (!iFrameDiv)
      iFrameDiv = document.getElementById(iFrameDivID);
    try {
      iFrameDiv.style.position = "absolute";
      iFrameDiv.style.width = pickerDiv.offsetWidth;
      iFrameDiv.style.height = pickerDiv.offsetHeight ;
      iFrameDiv.style.top = pickerDiv.style.top;
      iFrameDiv.style.left = pickerDiv.style.left;
      iFrameDiv.style.zIndex = pickerDiv.style.zIndex - 1;
      iFrameDiv.style.visibility = pickerDiv.style.visibility ;
      iFrameDiv.style.display = pickerDiv.style.display;
    } catch(e) {
    }
  } catch (ee) {
  }
}
function closeDateField(){
    var pickerDiv = document.getElementById(datePickerDivID);
    if(pickerDiv){
      pickerDiv.style.visibility = "hidden";
      pickerDiv.style.display = "none";
      adjustiFrame();
      }
      return true;
}
        /*   ----------- Date picker end -----------  */

 

0 comments:

Post a Comment

Subscribe to: Post Comments (Atom)