/** \file html\javascript\java.js
 *  \brief ZKL webinterface general javascript functions.
 *  \author Rob Schalken, Core|Vision
 *  \version 1.0
 *  \date 17-10-2008
 *
 * This file contains the general framework javascript functions.
 */

/**
 *  Return element ID (Browser independend)
 *
 *  Inputs:
 *  - aID:                  Element ID
 *
 *  Return: ID
 */
function getElement(id) {
  if (document.getElementById(id) || (!document.getElementById(id) && document.getElementsByName(id).length==0)) {
    // IF   An ID attribute is assigned
    // OR   No ID attribute is assigned but using IE and Opera
    //          (which will find the NAME attribute value using getElementById)
    // OR   No element has this ID or NAME attribute value
    //          (used internally by the script)
    // THEN Return the required element.

    return document.getElementById(id);
  }
  else {
    if (document.getElementsByName(id).length==1) {
      // IF   No ID attribute is assigned
      // AND  Using a standards-based browser
      // AND  Only one element has the NAME attribute set to the value
      // THEN Return the required element (using the NAME attribute value).
      return document.getElementsByName(id)[0];
    }
    else {
      if (document.getElementsByName(id).length>1) {
        // IF   No ID attribute is assigned
        // AND  using a standards-based browser
        // AND  more than one element has the NAME attribute set to the value
        // THEN alert developer to fix the fault.
        return (document.getElementsByName(id)[0]);
      }
      else return null;
    }
  }
}


/**
 *  Return elements by class name
 *
 *  Inputs:
 *  - oElm:                  Element name
 *  - strTagName:            Tag name
 *  - oClassNames:           Class name
 *
 *  Return: Array containing elements
 */
function getElementsByClassName(oElm, strTagName, oClassNames) {
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	var arrRegExpClassNames = new Array();
	if(typeof oClassNames == "object"){
		for(var i=0; i<oClassNames.length; i++){
			arrRegExpClassNames.push(new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)"));
		}
	}
	else{
		arrRegExpClassNames.push(new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)"));
	}
	var oElement;
	var bMatchesAll;
	for(var j=0; j<arrElements.length; j++){
		oElement = arrElements[j];
		bMatchesAll = true;
		for(var k=0; k<arrRegExpClassNames.length; k++){
			if(!arrRegExpClassNames[k].test(oElement.className)){
				bMatchesAll = false;
				break;
			}
		}
		if(bMatchesAll){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}


/**
 *  Catch enter/tab event
 */
function noenter(arg1,arg2)
{
 var k;

 if ("which" in arg1) {
   k = arg1.which
 }
 else if ("keyCode" in arg1) {
   k = arg1.keyCode
 }
 else if ("keyCode" in window.event) {
   k = window.event.keyCode
 }
 else if ("which" in window.event) {
   k=arg1.which
 }
 else {
   return true
 }

  // Catch TAB
//  if (k == 9) {
//    arg2.value = arg2.value + "\t";
//    setTimeout("arg2.focus()",1)
//    return false;
//  }

  // Catch ENTER
  if (k == 13) {
    return false;
  }

  return true;
}


/**
 *  Get current value of y-position scrollbar
 */
function getScrollY() {
  var scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
  }
  return scrOfY;
}


/**
 *  Get current value of x-position scrollbar
 */
function getScrollX() {
  var scrOfX = 0;
  if( typeof( window.pageXOffset ) == 'number' ) {
    //Netscape compliant
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfX = document.documentElement.scrollLeft;
  }
  return scrOfX;
}

/**
 *  Set current value of y-position scrollbar
 *
 *  Inputs:
 *  - y:                    The new Y position
 *
 */
function setScrollY(y) {
  document.body.scrollTop = y;
  document.documentElement.scrollTop = y;
}


/**
 *  Write cookie
 *
 */
function write_cookie(cookie_data, ExpiresAfterDays)
{
  var the_cookie_date;
  if (typeof(ExpiresAfterDays) == 'undefined') {
    the_cookie_date = 0;
  }
  else {
    var the_date = new Date();
    the_date.setDate(the_date.getDate() + ExpiresAfterDays);
    the_cookie_date = the_date.toGMTString();
  }
  document.cookie = cookie_data + ";expires=" + the_cookie_date + ";secure";
}


/**
 *  Get url parameter ($_GET)
 *
 */
function getURLParam(strParamName){
  var strReturn = "";
  var strHref = window.location.href;
  if ( strHref.indexOf("?") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if (aQueryString[iParam].indexOf(strParamName.toLowerCase() + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return unescape(strReturn);
}


/**
 *  Open window
 *
 */
function windowOpener(url, name, args)
{
  if (typeof(popupWin) != "object"){
    popupWin = window.open(url,name,args);
  }
  else {
    if (!popupWin.closed){
      popupWin.location.href = url;
    }
    else {
      popupWin = window.open(url, name,args);
    }
  }
  popupWin.focus();
}


/**
 *  screen width?
 *
 */
function ScreenWidth() {
  var myWidth = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
  } else if( document.documentElement && document.documentElement.clientWidth ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
  } else if( document.body && document.body.clientWidth ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
  }
  return myWidth;
}


/**
 *  screen height?
 *
 */
function ScreenHeight() {
  var myHeight = 0;
  if( typeof( window.innerHeight ) == 'number' ) {
    //Non-IE
    myHeight = window.innerHeight;
  } else if( document.documentElement && document.documentElement.clientHeight ) {
    //IE 6+ in 'standards compliant mode'
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && document.body.clientHeight ) {
    //IE 4 compatible
    myHeight = document.body.clientHeight;
  }
  return myHeight;
}


/**
 *  Redirect parent
 *
 */
function goParent(url)
{
  parent.location.href = url;
}

/**
 *  Get current datetime
 *
 */
function getDateTime()
{
  // Get date object
  var d = new Date();

  d_month = d.getMonth();
  if (d_month < 10) {
    var d_month = '0' + d_month;
  }    
  
  d_date = d.getDate();
  if (d_date < 10) {
    var d_date = '0' + d_date;
  }    

  d_hour = d.getHours();
  if (d_hour < 10) {
    var d_hour = '0' + d_hour;
  }    

  d_min = d.getMinutes();
  if (d_min < 10) {
    var d_min = '0' + d_min;
  }    

  d_sec = d.getSeconds();
  if (d_sec < 10) {
    var d_sec = '0' + d_sec
  }      

  return d.getFullYear() + '-' + d_month + '-' + d_date + ' ' + d_hour + ':' + d_min + ':' + d_sec;
}

/**
 *  Get current time
 *
 */
function getTime()
{
  // Get date object
  var d = new Date();

  d_hour = d.getHours();
  if (d_hour < 10) {
    var d_hour = '0' + d_hour;
  }    

  d_min = d.getMinutes();
  if (d_min < 10) {
    var d_min = '0' + d_min;
  }    

  d_sec = d.getSeconds();
  if (d_sec < 10) {
    var d_sec = '0' + d_sec
  }      

  return d_hour + ':' + d_min + ':' + d_sec;
}

/**
 *  Get current date
 *
 */
function getDate()
{
  // Get date object
  var d = new Date();

  d_month = d.getMonth();
  if (d_month < 10) {
    var d_month = '0' + d_month;
  }    
  
  d_date = d.getDate();
  if (d_date < 10) {
    var d_date = '0' + d_date;
  }    

  return d.getFullYear() + '-' + d_month + '-' + d_date;
}

/*
 * Sort array associative 
 */
function sortAssoc(aInput){
  var aTemp = [];
  for (var sKey in aInput)
  aTemp.push([sKey, aInput[sKey]]);
  aTemp.sort(function () {return arguments[0][1] < arguments[1][1]});
  
  var aOutput = [];
  for (var nIndex = aTemp.length-1; nIndex >=0; nIndex--)
  aOutput[aTemp[nIndex][0]] = aTemp[nIndex][1];
  
  return aOutput;
}


/*
 * Show elements by Class name
 */
function showClass(className) {
  var x = getElementsByClassName(document, '*', className);

  for (i = 0; i < x.length; i++) {
    x[i].style.visibility = "visible";
  }
}


/*
 * Hide elements by Class name
 */
function hideClass(className) {
  var x = getElementsByClassName(document, '*', className);

  for (i = 0; i < x.length; i++) {
    x[i].style.visibility = "hidden";
  }
}


/*
 * Active window height
 */
function ActiveWindowHeight() {
  if (parseInt(navigator.appVersion) > 3) {
    if (navigator.appName=="Netscape") {
      return window.innerHeight - 16;
    }
    if (navigator.appName.indexOf("Microsoft") != -1) {
      return document.body.offsetHeight - 20;
    }
  }
}


/*
 * Active window window
 */
function ActiveWindowWidth() {
  if (parseInt(navigator.appVersion) > 3) {
    if (navigator.appName=="Netscape") {
      return window.innerWidth - 16;
    }
    if (navigator.appName.indexOf("Microsoft") != -1) {
      return document.body.offsetWidth - 20;
    }
  }
}


/*
 * Print layout (hide skin items)
 */
function PrintLayout() {
  // Store old values to restore
  var header_height   = getElement('header').style.height; 
  var led_height      = getElement('greenled').style.height;
  var body_background = document.body.style.background;
  
  getElement('content_table_col1').style.visibility = 'hidden';
  getElement('header').style.visibility             = 'hidden';
  getElement('header').style.height                 = '150px';
  getElement('svg_logo').style.visibility           = 'visible';
  getElement('footer_container').style.visibility   = 'hidden';
  getElement('greenled').style.height               = '0px';
  getElement('redled').style.height                 = '0px';
  document.body.style.background                    = '#ffffff';
  
  // Show print popup
  window.print();
  
  getElement('content_table_col1').style.visibility = 'visible';
  getElement('header').style.visibility             = 'visible';
  getElement('header').style.height                 = header_height;
  getElement('svg_logo').style.visibility           = 'visible';
  getElement('footer_container').style.visibility   = 'visible';
  getElement('greenled').style.height               = led_height;
  getElement('redled').style.height                 = led_height;
  document.body.style.background                    = body_background;
}