// validation scripts for date and time fields
// @author $Author: WK $ $State$
// @version $Revision: 124079 $ $Date: 2013-03-12 11:51:29 +0100 (Di, 12 Mär 2013) $
// @file $RCSfile$

// do submit function that set the useraction, the id, and the target on the form with the name formName
function doSubmitExt (id, ua, ac, formName)
{
  var form = document.forms[formName];
  if (form!=null) {
    form.id.value = id;
    form.userAction.value = ua;
    form.action = ac;
    form.submit ();
  }
}

// do submit function that set the useraction, the id, and the target
function doSubmit (id, ua, ac)
{
  doSubmitExt(id, ua, ac, 'FORM_VAL');
}

function setUserAction(sender, value) {
  setFormField(sender, 'userAction', value);
}

function setFormField(sender, fieldname, value) {
  sender.form.elements[fieldname].value = value;
}

function doSubmitForm (sender, id, ua, ac)
{
  var form = sender.form;
  if (form!=null) {
    setFormField(form, 'id', id);
    setFormField(form, 'userAction', ua);
    form.action = ac;
    form.submit ();
  }
}


// Calls a delete action after showing a popup message to the user
function onDeleteSingle (id, ac, msg)
{
  var Check = window.confirm (msg);
  if (Check == true)
  {
    doSubmit (id, 'delete', ac);
  }
}

function doReject (id, ac, address, subject, body, msg)
{
  doRejectExt(id, ac, address, subject, body, msg, 'FORM_VAL');
}

// function to open mail-client if a order is rejected by disponent
function doRejectExt (id, ac, address, subject, body, msg, formName)
{
  Check = window.confirm (msg);

  if (Check == true)
  {
    dummy = window.open("about:blank", "dummy", "width=1,height=1,location=no,menubar=no,status=no,scrollbars=no,toolbar=no");

    //window.alert("1");
    //dummy.location.href="mailto:dmp@soloplan.de?subject=Auftrag abgelehnt&body=Ihr Autrag .... wurde abgelehnt. Begruendung:";
    var s = (subject==null) ? "" : escape(subject);
    var b = (body==null) ? "" : escape(body);
    var bo = b.replace (/_E_/g, "%0D%0A");

    var mail = "mailto:" + address + "?subject=" + s + "&body=" + bo;
//    alert (mail);
    dummy.location.href = mail;

    dummy.close();

    doSubmitExt(id, "reject", ac, formName);
  }
}

// erzeugt ein Popup in der Mitte des Screens
function createPopup (src, name, w, h, param)
{
  var x = screen.width/2-w/2;
  var y = screen.height/2-h/2;
  hwindow = window.open (src, name, "width=" + w + ",height=" + h + ","+param);
  hwindow.moveTo (x,y);
  hwindow.focus();
  return hwindow;
}

function doSkip (id, si, ac)
{
  document.FORM_VAL.id.value = id;
  document.FORM_VAL.startIndex.value = si;
  document.FORM_VAL.userAction.value = 'skip';
  document.FORM_VAL.action = ac;
  document.FORM_VAL.submit ();
}

function doSkipExt (id, si, ac, formName)
{
  document.forms[formName].id.value = id;
  document.forms[formName].startIndex.value = si;
  document.forms[formName].userAction.value = 'skip';
  document.forms[formName].action = ac;
  document.forms[formName].submit ();
}

function doSort (sortColumn, sortDir, ac)
{
  document.FORM_VAL.sortColumn.value = sortColumn;
  document.FORM_VAL.sortDir.value = sortDir;
  document.FORM_VAL.userAction.value = 'sort';
  document.FORM_VAL.action = ac;
  document.FORM_VAL.submit ();
}

function doSortExt (sortColumn, sortDir, ac, formName)
{
  document.forms[formName].sortColumn.value = sortColumn;
  document.forms[formName].sortDir.value = sortDir;
  document.forms[formName].userAction.value = 'sort';
  document.forms[formName].action = ac;
  document.forms[formName].submit ();
}

/* Should prohibit the user's navigation by usings browsers forward or backwar buttons.
   Should be invoked on each page.
*/
function prohibitBrowserNavigation()
{
  window.history.forward(1);
}

function blurElement(element) {
  if ((element.type=="button") ||
      (element.type=="text") ||
      (element.type=="textarea")) {
      element.blur();
      }
}


/* Set a field within a form to a value (if not null)
*/
function setIfNotNull(form, elementname, newValue) {
  try {
    if ((form!=null) && (form.elements[elementname]!=null)) {
      form.elements[elementname].value = (((newValue!=null) && (newValue!="null"))? newValue : "");
      blurElement(form.elements[elementname]);
    }
  } catch (e) {
    //nothing
  }
}

function getAddressText(form, fieldPrefix) {
  var res = null;
  if (form!=null) {
	  try{
    res =
      form.elements[fieldPrefix+'CompanyName'].value+'; '+
      form.elements[fieldPrefix+'Contact'].value+'; '+
      form.elements[fieldPrefix+'Country'].value+'-'+
      form.elements[fieldPrefix+'ZipCode'].value+' '+
      form.elements[fieldPrefix+'City'].value+'; '+
      form.elements[fieldPrefix+'Email'].value;
	  }
	  catch(err){
		 // do nothing. Some form elements may be missing. 
	  }
  }
  return res;
}

function fillAddressText(form, fieldPrefix) {
  setIfNotNull(form, fieldPrefix+"AddressText", getAddressText(form, fieldPrefix));
}


/* set all address-fields
*/
function setAddress(fieldPrefix, number, contact, companyName, companyName2, streetName, streetNumber, country, zipCode, city, telephone, mobilephone, faxNumber, email, UID, ID) {
  form = window.opener.document.forms["createNewOrderForm"];
  if (form==null)
    form = window.opener.document.forms["CreateNewOrderForm"];
  if (form==null)
    form = window.opener.document.forms[0];

  try {
    if (form!=null)
    {
      setIfNotNull(form, fieldPrefix+"Number", number);
      setIfNotNull(form, fieldPrefix+"Name", companyName);
      setIfNotNull(form, fieldPrefix+"Name2", companyName2);
      setIfNotNull(form, fieldPrefix+"CompanyName", companyName);
      setIfNotNull(form, fieldPrefix+"CompanyName2", companyName2);
      setIfNotNull(form, fieldPrefix+"Contact", contact);
      setIfNotNull(form, fieldPrefix+"Street", streetName);
      setIfNotNull(form, fieldPrefix+"StreetNum", streetNumber);
      setIfNotNull(form, fieldPrefix+"Country", country);
      setIfNotNull(form, fieldPrefix+"ZipCode", zipCode);
      setIfNotNull(form, fieldPrefix+"City", city);
      setIfNotNull(form, fieldPrefix+"Telephone", telephone);
      setIfNotNull(form, fieldPrefix+"Mobilephone", mobilephone);
      setIfNotNull(form, fieldPrefix+"Fax", faxNumber);
      setIfNotNull(form, fieldPrefix+"Email", email);
      setIfNotNull(form, fieldPrefix+"UID", UID);
      setIfNotNull(form, fieldPrefix+"ID", ID);
      setIfNotNull(form, fieldPrefix+"Number", number);
      fillAddressText(form, fieldPrefix);
    }
  } finally {
    window.close();
  }
}

// validation/modification of time fields
function checkTime (field_name, form_name)
{
  alert("checkTime(" + field_name + ")");
  if (form_name == null || form_name == ""){
	  form_name = "FORM_VAL";	
  }
  
//  var field_val = document.FORM_VAL.elements[field_name].value
  
  var field_val = document.forms[form_name].elements[field_name].value
  var l;
  var i;
  var dot = -1;
  var result = "";

  // empty field
  if (field_val==null || field_val=="") return;


  // replace the first non-numeric char by ":"
  result = field_val.replace(/\D/, ":");
  l = result.length;
  dot = result.indexOf(":");

  if (dot>=0) // found ":"
  {
    if ((l - dot) == 1) result = result + "00";
    else if ((l - dot) == 2) result = result + "0";

    //document.FORM_VAL.elements[field_name].value = result;
    document.forms[form_name].elements[field_name].value = result;
    return;
  }

  // no ":" found
  //fill in ":" or append ":00"
  if (l==1 || l==2)
  {
    result = result + ":00";
    //document.FORM_VAL.elements[field_name].value = result;
    document.forms[form_name].elements[field_name].value = result;
  }
  else if (l==3 || l==4)
  {
    i = l-2;
    result = field_val.substring(0, i) + ":" + field_val.substring(i, l);
    document.forms[form_name].elements[field_name].value = result;
  }

}//checkTime

/**
 * This function checks the entered time and formats it.
 * ! This function uses jquery. You have to ensure that the jquery-library is included if you use this function.  
 */
function jqCheckTime (field_name, form_name)
{
  if (form_name == null || form_name == ""){
	  form_name = "FORM_VAL";
  }
  
  var field_val = $('form#' + form_name + ' input[name=' + field_name + ']').val()
  var l;
  var i;
  var dot = -1;
  var result = "";

  // empty field
  if (field_val==null || field_val=="") return;


  // replace the first non-numeric char by ":"
  result = field_val.replace(/\D/, ":");
  l = result.length;
  dot = result.indexOf(":");
  
  if (dot < 0){ // no ":" found
	  //fill in ":" or append ":00"
	  
	  if ( l > 4 ){
		  result = result.substring(0,4);
		  l = result.length; 
	  }
	  
	  if (l==1 || l==2){
		  result = result + ":00";
	  }
	  else if (l==3 || l==4){
		  i = l-2;
		  result = result.substring(0, i) + ":" + result.substring(i, l);
	  }
  }
  
  // now we surely have a colon:
  dot = result.indexOf(":");
  l = result.length;
  
  // ensure valid hours
  hours = result.substring(0,dot);
  if (hours.length > 2){
	  hours = hours.substring(hours.length-2, hours.length);
  }
  if (!isNumeric(hours)){
	  hours = 0;
  }
  else if (hours > 23){
	  hours = 23;  
  }
  
  // ensure valid minutes
  minutes = result.substring(dot+1,l);
  if (minutes.length > 2){
	  minutes = minutes.substring(0,2);
  } 
  if (!isNumeric(minutes)){
	  minutes = 0;
  }
  else if (minutes > 59){
	  minutes = 59;
  }
  
  result = fillDigits(hours) + ":" + fillDigits(minutes);
  

  $('form#' + form_name + ' input[name=' + field_name + ']').val(result);
}//checkTime

// validation/modification of date fields
function checkDate (field_name, form_name)
{
  if (form_name == null || form_name == ""){
	  form_name = "FORM_VAL";	
  }
  //var field_val = document.FORM_VAL.elements[field_name].value
  var field_val = document.forms[form_name].elements[field_name].value
  var result = "";
  var first_dot = -1;
  var last_dot = -1;
  var le = -1;

  
  if (field_val==null || field_val=="") return;

  // replace all non-numeric chars by "."
  result = field_val.replace(/\D/g, ".");

  // get dots and length
  first_dot = result.indexOf(".");
  last_dot = result.lastIndexOf(".");
  le = result.length;
  //window.alert("first: " + first_dot + "\nlast_dot: " + last_dot + "\nlength: " + le);

  // maybe we can insert some missing dots
  if ((first_dot==-1) && (last_dot==-1)) // no dots
  {
    switch (le)
    {
      case 4: // e.g. 1102
        result = field_val.substring(0, 1) + "." + field_val.substring(1, 2) + "." + field_val.substring(2, le);
        break;

      case 5: // e.g. 10102 or 11002
        result = field_val.substring(0, 3) + "." + field_val.substring(3, le);
        // can we do more???
        break;

      case 6: // e.g. 010102 or 112002
        result = field_val.substring(0, 2) + "." + field_val.substring(2, le);
        // can we do more???
        break;

      case 7: // e.g. 1012002 or 1102002
        result = field_val.substring(0, 3) + "." + field_val.substring(3, le);
        // can we do more???
        break;

      case 8: // e.g. 01012002
        result = field_val.substring(0, 2) + "." + field_val.substring(2, 4) + "." + field_val.substring(4, le);
        break;

    }//switch
  }// no dots

  else if (first_dot < last_dot) // two dots
  {
    // there's nothing else to do
  }

  else // one dot - horror
  {
    // get a copy if we changed one char into "."
    var copy = String(result);

    switch (le)
    {
      case 5: // e.g. 1.102 or 11.02
        if (first_dot==1)      result = copy.substring(0, 3) + "." + copy.substring(3, le);
        else if (last_dot==2)  result = copy.substring(0, 1) + "." + copy.substring(1, le);
        break;

      case 6: // e.g. 1.1002 or 10.102 or 101.02 or 110.02
        if (first_dot==1)      result = copy.substring(0, 4) + "." + copy.substring(4, le);
        else if (first_dot==2) result = copy.substring(0, 4) + "." + copy.substring(4, le);
        //else if (first_dot==3)           // can we do more???
        break;

      case 7: // e.g. 1.12002 or 11.2002 or 10.1002 or 1010.02
        if (first_dot==1)      result = copy.substring(0, 3) + "." + copy.substring(3, le);
        //else if (first_dot==2)           // can we do more???
        else if (last_dot==4)  result = copy.substring(0, 2) + "." + copy.substring(2, le);
        break;

      case 8: // e.g. 1.102002 or 10.12002 or 110.2002 or 101.2002
        if (first_dot==1)      result = copy.substring(0, 4) + "." + copy.substring(4, le);
        else if (first_dot==2) result = copy.substring(0, 4) + "." + copy.substring(4, le);
        //else if (first_dot==3)           // can we do more???
        break;

      case 9: // e.g. 01.012002 or 0101.2002
        if (first_dot==2)      result = copy.substring(0, 5) + "." + copy.substring(5, le);
        else if (last_dot==4) result = copy.substring(0, 2) + "." + copy.substring(2, le);
        break;

    }//switch
  }

  result = formatGermanDateByString(result);
  
  // write back the modified string into field
  document.forms[form_name].elements[field_name].value = result;
  return;

}//checkDate

function setClientID(aFieldName){
	var form = document.forms[0];
	form.userAction.value = 'changeclient';
	document.forms[0].submit();
}

/**
 * Copies the date from the sourcefield to the destinationfield and adds the given amount of days 
 * to the destination-date
 * @param aFormName
 * @param aSourceField
 * @param aDestField
 * @param aAddNumOfDays
 * @return
 */
function copyFromDate (aFormName, aSourceField, aDestField, aAddNumOfDays){
	var form = document.forms[aFormName];
	var loadDate = parseGermanDate(form.elements[aSourceField].value);
	var deliverdate;
	if (form.elements[aSourceField].value == ""){
		form.elements[aDestField].value = "";	
	}
	else if (loadDate != null){
		if (aAddNumOfDays != null){
			deliverdate = addDays(loadDate, parseInt(aAddNumOfDays));
		}
		form.elements[aDestField].value = formatGermanDate(deliverdate);
	}
}

/**
 * Copies the time from the sourcefield to the destinationfield
 * @param aFormName
 * @param aSourceField
 * @param aDestField
 */
function copyFromTime (aFormName, aSourceField, aDestField){
	var form = document.forms[aFormName];	
	var loadTime = form.elements[aSourceField].value;
	var deliverTime = form.elements[aDestField].value;
	
	//alert("loadTime: "+loadTime+" ,deliverTime: " + deliverTime)
	form.elements[aDestField].value = loadTime;
}


/**
 * Parses a Date in format dd.mm.yyyy
 * @param aDateString: String in format dd.mm.yyyy
 * @return the parsed Dateobj
 */
function parseGermanDate(aDateString) {
	var result = null;
	var fistDotPos;
	var lastDotPos;
	try {
		if (typeof(aDateString) == 'string'){
			// typeconversion
			//aDateString = String(aDateString);
			fistDotPos = aDateString.indexOf(".");
			lastDotPos = aDateString.lastIndexOf(".");
			var dd = aDateString.substring(0, fistDotPos);
			var mm = (aDateString.substring(fistDotPos + 1, lastDotPos)) - 1;
			var yyyy = aDateString.substring(lastDotPos+1, aDateString.length );
			// Fill the year to four digits. E.g. change 11 to 2011
			if (yyyy.length < 4){
				var currentDate = new Date();
				var currentYearStr = currentDate.getFullYear().toString();
				yyyy = currentYearStr.substring(0, 4 - yyyy.length) + yyyy;
			}

			result = new Date(yyyy, mm, dd);
			
		}
		else{
			//alert("type: " + typeof(aDateString))
		}
	} catch (err) {
		alert("parseGermanDate\n" + err);
		result = null;
	}
	return result;
}

/**
 * Formats the given date with German date-pattern
 * @param aDate the date as string
 * @return formatted date
 */
function formatGermanDateByString(aDateString){
	return formatGermanDate(parseGermanDate(aDateString));
}

/**
 * Formats the given date with German date-pattern
 * @param aDate the date as date-object
 * @return formatted date
 */
function formatGermanDate(aDate) {
	var result = null;
	try {
		result = fillDigits(aDate.getDate()) + "." + fillDigits(aDate.getMonth() + 1) + "." + aDate.getFullYear();
	} catch (err) {
		//alert("formatGermanDate\n" + err);
		result = null;
	}
	return result;
}

/**
 * Fills the given value with zeros
 * @param aValue
 * @return
 */
function fillDigits(aValue) {
	result = "" + aValue;
	if(result.length==1){
		result = "0" + result;
	}
	return result;
}


/**
* @param aDate The Date that should be increased
* @param aDays The amount of days that should be add
* @return a date-object with the increased date-value
*/
function addDays(aDate, aDays){
	var dayInMillis = 86400000;
	//alert("addDays: " + aDate);
	return new Date ((aDate.getTime() + (aDays * dayInMillis)));
}

/**
 * Checks if the given string is numeric
 * @param aValue
 * @returns
 */
function isNumeric(aValue){;
	return aValue.match(/^[0-9]+$/);
}