// Copyright (c) the partners of MetaClass, 2003, 2004
// Licensed under the Academic Free License version 2.0

//this file should not contain any application- or installation specific code
//for example localization-specific code should be factored out and overridden in
//specific.js
function inArray(myArray, myElem) {
	for (i=0; i<myArray.length; i++) {
		if (myArray[i]==myElem) {
			return true;
		}
	}
	return false;
}

function getElement( elementId)
    {
    var element;

    if (document.all) {
        element = document.all[elementId];
        }
    else if (document.getElementById) {
        element = document.getElementById(elementId);
        }
    else element = -1;

    return element;
}



// table data link, follows link from table item to its editpage
// see PntPage::decorateItemTableData
function tdl(obj, itemId) {
	document.location.href = tdlGetHref(obj, itemId);
}

function tdlGetHref(obj, itemId) {
	dirTypeAndContext = obj.parentNode.parentNode.parentNode.id;
	arr = dirTypeAndContext.split('*');
	link = '../'+arr[0]+'index.php?pntType='+arr[1]+'&id='+itemId;
	if (arr[2] != '')
		link = link + '&pntContext='+arr[2]+'*'+arr[3]+'*'+arr[4];

	var pntOriginType = getQueryVariable("pntOriginType");
	if (pntOriginType != '')
		link = link + '&pntOriginType='+pntOriginType;

	var pntOrigin  = getQueryVariable("pntOrigin");
	if (pntOrigin != '')
		link = link + '&pntOrigin='+pntOrigin;

	return link;
}



// clears dialog widget inputs in form of ObjectEditDetailsPage
function clrDialogWidget(idKey, labelKey)
{
	var theForm = getElement('detailsForm');
	theForm[idKey].value = '';

	//BW: CHANGED 01-09-2004 (labelKey not a form element, but a div)
	getElement(labelKey).innerHTML = '';
}

function getParentNodeByTagName(elem, tagName)
{
	while (elem.tagName != tagName) {
		elem = elem.parentNode;
	}
	return elem;
}

function invertTableCheckboxes(aButton)
{

	var aTableSection = getParentNodeByTagName(aButton, 'TABLE');
	var elements = aTableSection.getElementsByTagName("input");
	for (i=0; i<elements.length; i++) {
		if (elements[i].type=="checkbox") {
			if (elements[i].checked) {
				elements[i].checked=false;
			} else {
				elements[i].checked=true;
			}
		}
	}

}

function getElementsByClassName(class_name)
{
  var all_obj,ret_obj=new Array(),j=0,teststr;

  if(document.all)all_obj=document.all;
  else if(document.getElementsByTagName && !document.all)
    all_obj=document.getElementsByTagName("*");

  for(i=0;i<all_obj.length;i++)
  {
    if(all_obj[i].className.indexOf(class_name)!=-1)
    {
      teststr=","+all_obj[i].className.split(" ").join(",")+",";
      if(teststr.indexOf(","+class_name+",")!=-1)
      {
        ret_obj[j]=all_obj[i];
        j++;
      }
    }
  }
  return ret_obj;
}

function getObjectHtmlTag(myObj) {
	return myObj.outerHTML.replace(myObj.innerHTML,'');
}

//piece of code for replacing keypad . with ,
//this is the international version that does nothing. see specific.js
var metLK;
function metKD(evt) {
    metLK = evt.keyCode;
}
function metKP(evt) {
	//international version does nothing
}
//end of piece

function scaleContent()
{
	//default implementation: ignore
}

function pntTabSelected(allTabs, selected)
{
	 for (var i=0; i<allTabs.length; i++) {
	 	var contentDiv = getElement(allTabs[i] + 'Content');
	 	var tabDiv = getElement(allTabs[i] + 'Tab');

	 	if (allTabs[i] == selected) {
	 		tabDiv.className='pntTab_selected';
	 		contentDiv.style.display='block';
	 	} else {
	 		tabDiv.className='pntTab';
	 		contentDiv.style.display='none';
	 	}
	}
}

function gotoNext(txtBlur, txtFocus, iLength) {
	if (txtBlur.value.length >= iLength) {
		txtFocus.focus();
	}
}

function addOptionFor(obj, idVal, label) {
	// Adds & selects a new option for the obj-selectbox.
	// Called from 'classObjectAddPopupSaveAction.php'.
	var formObj = getElement(obj);

	if (formObj.isTextEdit) { // Input type=text
		formObj.value=idVal
		var textField = getElement(obj.substring(0,obj.length-2));
		textField.value=label;
	} else { // Selectbox
		var newOption = new Option(label,idVal);
		newOption.selected=true;
		formObj.add(newOption);
	}
}

function inspect(what) {
    var output = '';
    for (var i in what)
        output += i+ ' = ' + what[i] + '\n';
    return(output);
}

function hashObject(myObj) {

	return escape(inspect(myObj));
}


function setFirstInputFocus() {
	var inputs;
	inputs = document.getElementsByTagName("input");
	for (i=0; i<inputs.length; i++) {
		inp = inputs[i];
		if (inp.type=="text") {
			inp.focus();
			return;

		}
	}
}

function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  }
  return false;
}


function GetCookie (name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
	var j = i + alen;
	if (document.cookie.substring(i, j) == arg)
		return getCookieVal (j);
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return null;
}
function SetCookie (name, value) {
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) +
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
	((path == null) ? "" : ("; path=" + path)) +
	((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");
}
function DeleteCookie (name) {
	var exp = new Date();
	exp.setTime (exp.setTime(exp.getTime() - (expDays*24*60*60*1000)));
	// This cookie is history
	var cval = GetCookie (name);
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
var expDays = 30;
var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
function amt(){
	var count = GetCookie('count')
	if(count == null) {
		SetCookie('count','1')
		return 1
	}
	else {
		var newcount = parseInt(count) + 1;
		DeleteCookie('count')
		SetCookie('count',newcount,exp)
		return count
	}
}
function getCookieVal(offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
    endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}


function countWords (this_field) {
	var fullStr = this_field.value + " ";
	var initial_whitespace_rExp = /^[^A-Za-z0-9]+/gi;
	var left_trimmedStr = fullStr.replace(initial_whitespace_rExp, "");
	var non_alphanumerics_rExp = rExp = /[^A-Za-z0-9]+/gi;
	var cleanedStr = left_trimmedStr.replace(non_alphanumerics_rExp, " ");
	var splitString = cleanedStr.split(" ");
	var word_count = splitString.length -1;
	if (fullStr.length <2) {
		word_count = 0;
	}
	return word_count;
}


function show(object) {
    if (document.getElementById && document.getElementById(object) != null)
         node = document.getElementById(object).style.visibility='visible';
    else if (document.layers && document.layers[object] != null)
        document.layers[object].visibility = 'visible';
    else if (document.all)
        document.all[object].style.visibility = 'visible';
}

function hide(object) {
    if (document.getElementById && document.getElementById(object) != null)
         node = document.getElementById(object).style.visibility='hidden';
    else if (document.layers && document.layers[object] != null)
        document.layers[object].visibility = 'hidden';
    else if (document.all)
         document.all[object].style.visibility = 'hidden';
}

function preloadImage(src) {
	var img;
	img = document.createElement('img');
	img.setAttribute('src', src);
}