// Miscellaneous core Javascript functions for Moodle

function popupchecker(msg) {
    var testwindow = window.open('itestwin.html', '', 'width=1,height=1,left=0,top=0,scrollbars=no');
    if (testwindow == null)
        {alert(msg);}
    else {
        testwindow.close();
    }
}

/*
function popUpProperties(inobj) {
/// Legacy function
  var op = window.open();
  op.document.open('text/plain');
  for (objprop in inobj) {
    op.document.write(objprop + ' => ' + inobj[objprop] + '\n');
  }
  op.document.close();
}

function fillmessagebox(text) {
/// Legacy function
  document.form.message.value = text;
}

function copyrichtext(textname) {
/// Legacy stub for old editor - to be removed soon
  return true;
}
*/

function checkall() {
  var el = document.getElementsByTagName('input');
  for(var i=0; i<el.length; i++) {
    if(el[i].type == 'checkbox') {
      el[i].checked = true;
    }
  }
}

function checknone() {
  var el = document.getElementsByTagName('input');
  for(var i=0; i<el.length; i++) {
    if(el[i].type == 'checkbox') {
      el[i].checked = false;
    }
  }
}

function lockoptions(formid, master, subitems) {
  // Subitems is an array of names of sub items.
  // Optionally, each item in subitems may have a
  // companion hidden item in the form with the
  // same name but prefixed by "h".
  var form = document.forms[formid];

  if (eval("form."+master+".checked")) {
    for (i=0; i<subitems.length; i++) {
      unlockoption(form, subitems[i]);
    }
  } else {
    for (i=0; i<subitems.length; i++) {
      lockoption(form, subitems[i]);
    }
  }
  return(true);
}

function lockoption(form,item) {
  eval("form."+item+".disabled=true");/* IE thing */
  if(form.elements['h'+item]) {
    eval("form.h"+item+".value=1");
  }
}

function unlockoption(form,item) {
  eval("form."+item+".disabled=false");/* IE thing */
  if(form.elements['h'+item]) {
    eval("form.h"+item+".value=0");
  }
}


function lockoptionsall(formid) {
    var form = document.forms[formid];
    var dependons = eval(formid+'items');
    var tolock = Array();
    for (var dependon in dependons) {
        var master = form[dependon];
        if (master == undefined) {
            continue;
        }
        for (var condition in dependons[dependon]) {
            for (var value in dependons[dependon][condition]) {
                var lock;
                switch (condition) {
                  case 'notchecked':
                      lock = !master.checked; break;
                  case 'checked':
                      lock = master.checked; break;
                  case 'noitemselected':
                      lock = master.selectedIndex==-1; break;
                  case 'eq':
                      lock = master.value==value; break;
                  default:
                      lock = master.value!=value; break;
                }
                for (var ei in dependons[dependon][condition][value]) {
                    var eltolock = dependons[dependon][condition][value][ei];
                    if (tolock[eltolock] != null){
                        tolock[eltolock] =
                                lock || tolock[eltolock];
                    } else {
                        tolock[eltolock] = lock;
                    }
                }
            }
        }
    }
    for (var el in tolock){
        var formelement = form[el];
        if (formelement == undefined) {
            continue;
        }
        formelement.disabled = tolock[el];
    }
    return true;
}

function lockoptionsallsetup(formid) {
    var form = document.forms[formid];
    var dependons = eval(formid+'items');
    for (var dependon in dependons) {
        var master = form[dependon];
        if (master == undefined) {
            continue;
        }
        master.formid = formid;
        master.onclick  = function() {return lockoptionsall(this.formid);};
        master.onblur   = function() {return lockoptionsall(this.formid);};
        master.onchange = function() {return lockoptionsall(this.formid);};
    }
    for (var i = 0; i < form.elements.length; i++){
        var formelement = form.elements[i];
        if (formelement.type=='reset') {
            formelement.formid = formid;
            formelement.onclick  = function() {this.form.reset();return lockoptionsall(this.formid);};
            formelement.onblur   = function() {this.form.reset();return lockoptionsall(this.formid);};
            formelement.onchange = function() {this.form.reset();return lockoptionsall(this.formid);};
        }
    }
    return lockoptionsall(formid);
}


function submitFormById(id) {
    var theform = document.getElementById(id);
    if(!theform) {
        return false;
    }
    if(theform.tagName.toLowerCase() != 'form') {
        return false;
    }
    if(!theform.onsubmit || theform.onsubmit()) {
        return theform.submit();
    }
}

function select_all_in(elTagName, elClass, elId) {
    var inputs = document.getElementsByTagName('input');
    inputs = filterByParent(inputs, function(el) {return findParentNode(el, elTagName, elClass, elId);});
    for(var i = 0; i < inputs.length; ++i) {
        if(inputs[i].type == 'checkbox' || inputs[i].type == 'radio') {
            inputs[i].checked = 'checked';
        }
    }
}

function deselect_all_in(elTagName, elClass, elId) {
    var inputs = document.getElementsByTagName('INPUT');
    inputs = filterByParent(inputs, function(el) {return findParentNode(el, elTagName, elClass, elId);});
    for(var i = 0; i < inputs.length; ++i) {
        if(inputs[i].type == 'checkbox' || inputs[i].type == 'radio') {
            inputs[i].checked = '';
        }
    }
}

function confirm_if(expr, message) {
    if(!expr) {
        return true;
    }
    return confirm(message);
}


/*
    findParentNode (start, elementName, elementClass, elementID)

    Travels up the DOM hierarchy to find a parent element with the
    specified tag name, class, and id. All conditions must be met,
    but any can be ommitted. Returns the BODY element if no match
    found.
*/
function findParentNode(el, elName, elClass, elId) {
    while(el.nodeName.toUpperCase() != 'BODY') {
        if(
            (!elName || el.nodeName.toUpperCase() == elName) &&
            (!elClass || el.className.indexOf(elClass) != -1) &&
            (!elId || el.id == elId))
        {
            break;
        }
        el = el.parentNode;
    }
    return el;
}
/*
    findChildNode (start, elementName, elementClass, elementID)

    Travels down the DOM hierarchy to find all child elements with the
    specified tag name, class, and id. All conditions must be met,
    but any can be ommitted.
    Doesn't examine children of matches.
*/
function findChildNodes(start, tagName, elementClass, elementID, elementName) {
    var children = new Array();
    for (var i = 0; i < start.childNodes.length; i++) {
        var classfound = false;
        var child = start.childNodes[i];
        if((child.nodeType == 1) &&//element node type
                  (elementClass && (typeof(child.className)=='string'))){
            var childClasses = child.className.split(/\s+/);
            for (var childClassIndex in childClasses){
                if (childClasses[childClassIndex]==elementClass){
                    classfound = true;
                    break;
                }
            }
        }
        if(child.nodeType == 1) { //element node type
            if  ( (!tagName || child.nodeName == tagName) &&
                (!elementClass || classfound)&&
                (!elementID || child.id == elementID) &&
                (!elementName || child.name == elementName))
            {
                children = children.concat(child);
            } else {
                children = children.concat(findChildNodes(child, tagName, elementClass, elementID, elementName));
            }
        }
    }
    return children;
}
/*
    elementSetHide (elements, hide)

    Adds or removes the "hide" class for the specified elements depending on boolean hide.
*/
function elementShowAdvanced(elements, show) {
    for (var elementIndex in elements){
        element = elements[elementIndex];
        element.className = element.className.replace(new RegExp(' ?hide'), '')
        if(!show) {
            element.className += ' hide';
        }
    }
}

function showAdvancedOnClick(button, hidetext, showtext){
    var toSet=findChildNodes(button.form, null, 'advanced');
    var buttontext = '';
    if (button.form.elements['mform_showadvanced_last'].value == '0' ||  button.form.elements['mform_showadvanced_last'].value == '' ) {
        elementShowAdvanced(toSet, true);
        buttontext = hidetext;
        button.form.elements['mform_showadvanced_last'].value = '1';
    } else {
        elementShowAdvanced(toSet, false);
        buttontext = showtext;
        button.form.elements['mform_showadvanced_last'].value = '0';
    }
    var formelements = button.form.elements;
    for (var i in formelements){
        if (formelements[i] && formelements[i].name && (formelements[i].name=='mform_showadvanced')){
            formelements[i].value = buttontext;
        }
    }
    //never submit the form if js is enabled.
    return false;
}

function revealPassword(id) {
  var pw = document.getElementById(id);
  var chb = document.getElementById(id+'reveal');

  try {
    // first try IE way - it can not set name attribute later
    if (chb.checked) {
      var newpw = document.createElement('<input type="text" name="'+pw.name+'">');
    } else {
      var newpw = document.createElement('<input type="password" name="'+pw.name+'">');
    }
  } catch (e) {
    var newpw = document.createElement('input');
    newpw.setAttribute('name', pw.name);
    if (chb.checked) {
      newpw.setAttribute('type', 'text');
    } else {
      newpw.setAttribute('type', 'password');
    }
  }
  newpw.id = pw.id;
  newpw.size = pw.size;
  newpw.onblur = pw.onblur;
  newpw.onchange = pw.onchange;
  newpw.value = pw.value;
  pw.parentNode.replaceChild(newpw, pw);
}

/*
    elementToggleHide (element, elementFinder)

    If elementFinder is not provided, toggles the "hidden" class for the specified element.
    If elementFinder is provided, then the "hidden" class will be toggled for the object
    returned by the function call elementFinder(element).

    If persistent == true, also sets a cookie for this.
*/
function elementToggleHide(el, persistent, elementFinder) {
    if(!elementFinder) {
        var obj = el;
    }
    else {
        var obj = elementFinder(el);
    }
    if(obj.className.indexOf('hidden') == -1) {
        obj.className += ' hidden';
        var shown = 0;
    }
    else {
        obj.className = obj.className.replace(new RegExp(' ?hidden'), '')
        var shown = 1;
    }

    if(persistent == true) {
        new cookie('hide:' + obj.id, 1, (shown ? -1 : 356), '/').set();
    }
}


function elementCookieHide(id) {
    var obj  = document.getElementById(id);
    var cook = new cookie('hide:' + id).read();
    if(cook != null) {
        elementToggleHide(obj, false);
    }
}

function filterByParent(elCollection, parentFinder) {
    var filteredCollection = [];
    for(var i = 0; i < elCollection.length; ++i) {
        var findParent = parentFinder(elCollection[i]);
        if(findParent.nodeName != 'BODY') {
            filteredCollection.push(elCollection[i]);
        }
    }
    return filteredCollection;
}

/*
    All this is here just so that IE gets to handle oversized blocks
    in a visually pleasing manner. It does a browser detect. So sue me.
*/

function fix_column_widths() {
    var agt = navigator.userAgent.toLowerCase();
    if ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)) {
        fix_column_width('left-column');
        fix_column_width('right-column');
    }
}

function fix_column_width(colName) {
    if(column = document.getElementById(colName)) {
        if(!column.offsetWidth) {
            setTimeout("fix_column_width('" + colName + "')", 20);
            return;
        }

        var width = 0;
        var nodes = column.childNodes;

        for(i = 0; i < nodes.length; ++i) {
            if(nodes[i].className.indexOf("sideblock") != -1 ) {
                if(width < nodes[i].offsetWidth) {
                    width = nodes[i].offsetWidth;
                }
            }
        }

        for(i = 0; i < nodes.length; ++i) {
            if(nodes[i].className.indexOf("sideblock") != -1 ) {
                nodes[i].style.width = width + 'px';
            }
        }
    }
}


/*
   Insert myValue at current cursor position
 */
function insertAtCursor(myField, myValue) {
    // IE support
    if (document.selection) {
        myField.focus();
        sel = document.selection.createRange();
        sel.text = myValue;
    }
    // Mozilla/Netscape support
    else if (myField.selectionStart || myField.selectionStart == '0') {
        var startPos = myField.selectionStart;
        var endPos = myField.selectionEnd;
        myField.value = myField.value.substring(0, startPos)
            + myValue + myField.value.substring(endPos, myField.value.length);
    } else {
        myField.value += myValue;
    }
}

/*
Goes to the link which will delete the register
*/
function confirm_delete(link, showed_string, divid){
if (confirm(showed_string)){
	location.href = link;
	}

}

function order_mdbox(ordenation, ordered, divid, page, filter, numbershow){
var order_parameter='';
	switch(ordenation){
		case '1':
			if(ordered.value=='1.desc'){
				order_parameter ='date-asc';
				ordered.value ='1.asc';
			}else{
				order_parameter ='date-desc';
				ordered.value ='1.desc';
			}
		break;

		case '2':
			if(ordered.value=='2.asc'){
				order_parameter ='title-desc';
				ordered.value ='2.desc';
			}else{
				order_parameter ='title-asc';
				ordered.value ='2.asc';
			}

		break;

		case '3':
			if(ordered.value=='3.asc'){
				order_parameter ='state-desc';
				ordered.value ='3.desc';
			}else{
				order_parameter ='state-asc';
				ordered.value ='3.asc';
			}

		break;

	}
	ordered = order_parameter;
	load_edit_form('./order_mdbox.php', 'value=' + order_parameter + '&page=' + page + '&filter=' + filter + '&numbershow=' + numbershow , divid);

}

function order_shared(ordenation, ordered, divid, page, filter, numbershow){
var order_parameter='';
	switch(ordenation){
		case '1':
			if(ordered.value=='1.desc'){
				order_parameter ='date-asc';
				ordered.value ='1.asc';
			}else{
				order_parameter ='date-desc';
				ordered.value ='1.desc';
			}
		break;

		case '2':
			if(ordered.value=='2.asc'){
				order_parameter ='title-desc';
				ordered.value ='2.desc';
			}else{
				order_parameter ='title-asc';
				ordered.value ='2.asc';
			}

		break;

		case '3':
			if(ordered.value=='3.asc'){
				order_parameter ='state-desc';
				ordered.value ='3.desc';
			}else{
				order_parameter ='state-asc';
				ordered.value ='3.asc';
			}

		break;

	}
	ordered = order_parameter;
	load_edit_form('./order_shared.php', 'value=' + order_parameter + '&page=' + page + '&filter=' + filter + '&numbershow=' + numbershow , divid);

}

function order_telemed(ordenation, ordered, divid, page, filter, numbershow){
	var order_parameter='';
	switch(ordenation){
		case '1':
			if(ordered.value=='1.desc'){
				order_parameter ='date-asc';
				ordered.value ='1.asc';
			}else{
				order_parameter ='date-desc';
				ordered.value ='1.desc';
			}
		break;

		case '2':
			if(ordered.value=='2.asc'){
				order_parameter ='title-desc';
				ordered.value ='2.desc';
			}else{
				order_parameter ='title-asc';
				ordered.value ='2.asc';
			}

		break;

		case '3':
			if(ordered.value=='3.asc'){
				order_parameter ='state-desc';
				ordered.value ='3.desc';
			}else{
				order_parameter ='state-asc';
				ordered.value ='3.asc';
			}

		break;

	}
	ordered = order_parameter;
	load_edit_form('./order_telemed.php', 'value=' + order_parameter + '&page=' + page + '&filter=' + filter + '&numbershow=' + numbershow , divid);

}

function order_myatlas(ordenation, ordered, divid, page, filter, numbershow){
var order_parameter='';
	switch(ordenation){
		case '1':
			if(ordered.value=='1.desc'){
				order_parameter ='date-asc';
				ordered.value ='1.asc';
			}else{
				order_parameter ='date-desc';
				ordered.value ='1.desc';
			}
		break;

		case '2':
			if(ordered.value=='2.asc'){
				order_parameter ='title-desc';
				ordered.value ='2.desc';
			}else{
				order_parameter ='title-asc';
				ordered.value ='2.asc';
			}

		break;

		case '3':
			if(ordered.value=='3.asc'){
				order_parameter ='state-desc';
				ordered.value ='3.desc';
			}else{
				order_parameter ='state-asc';
				ordered.value ='3.asc';
			}

		break;

	}
	ordered = order_parameter;
	load_edit_form('./order_myatlas.php', 'value=' + order_parameter + '&page=' + page + '&filter=' + filter + '&numbershow=' + numbershow , divid);

}


function send_block_email(file,divid,form){
	act='email=' + form.email.value + '&comment=' +form.comment.value;
	load_edit_form(file,act,divid);

}

function send_email(file,divid,userid,comment){
	act='userid=' + userid + '&comment=' +comment + '&destinationdiv=' +divid;
	load_edit_form(file,act,divid);
}


function unsubscribe(file,divid,userid, refererid, type){
	act='userid=' + userid + '&refererid=' + refererid + '&type=' + type + '&destinationdiv=' +divid;
	load_edit_form(file,act,divid);
}

function vote_survey(form, div, url,id_survey){
var vote= null;
	for(i=0;i<form.surveys.length;i++){
		if(form.surveys[i].checked){
			vote=form.surveys[i].value;
		}
	}
	act='vote='+vote+'&survey='+id_survey;
		load_edit_form(url,act,div);
}


function send_mail_form (home, action, divid){
	$.ajax({
		type: "POST",
		url: home,
		data: action,
		/*complete: function(objeto, exito){
            //alert("Me acabo de completar")
            if(exito=="success"){
                alert("El mail se envio satisfactoriamente");
            }
        },*/
		success: function(msg){
			//document.getElementById(divid).innerHTML= '<img id="idloading" src="http://localhost/mdpixx_project//themes/standard/lightbox/lightbox-ico-loading.gif"/>';
			document.getElementById(divid).innerHTML = msg;

		},
		error: function(xho){
			document.getElementById(divid).innerHTML = "Error:"+xho.responseText;
		}
	});
}

function go_to_confirmation(uri, message){
	if(confirm(message)){
		document.location.href=uri;
		}

}
function confirmation_post_form(message,formid){
	if(confirm(message)){
		document.getElementById(formid).submit();
		}

}


function no_submit_event(event){
var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;

  return (keyCode!= 13 && keyCode!= 8);

}

function mover(idul, idli,idresource) {
						var liimg = document.getElementById(idli);//cargo el li
						var obja=document.getElementById("mas"+idli);//cargo el a para cambiarle el evento onclick
						var objimg=document.getElementById("img"+idli);//cargo el img para cambiarle el src

						if(idul=="ul1"){
					   		var ulpadre=document.getElementById("ul2");
							objimg.src= pathroot + "/themes/standard/buttons/iconmenos.gif";
							var input = document.createElement("input"); // 5
							input.type = "hidden"; // 6
							input.value = idresource; // 8
							input.name = "resource[]"; // 8
							input.id = "inputoculto"+idresource;
							liimg.appendChild(input);
							ulpadre.appendChild(liimg);

						}
						else{
							if(idul=="ul2"){
								var ulpadre=document.getElementById("ul1");
								objimg.src= pathroot + "/themes/standard/buttons/iconmas.jpg";
								ulpadre.appendChild(liimg);
								var oculto=document.getElementById("inputoculto"+idresource);
								liimg.removeChild(document.getElementById("inputoculto"+idresource));
							}else{
								alert("caso 3");
							}
						}

				 }

				 function mostrarid(id){
					var objul=document.getElementById(id);
					objul=document.getElementById(id).childNodes;
					var ids="";
					var contador=0;
				    for (i=0; i<objul.length; i++) {
						contador+=1;
						if(eval(typeof(objul.item(i).id) != "undefined")){
							ids+=objul.item(i).id+"--";
						}
					}
					alert(ids);
				}

/**
* Reference: Sandeep V. Tamhankar (stamhankar@hotmail.com),
* http://javascript.internet.com
*/



function test_email(valor)
{
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(valor))
{
return (true);
 }

  return (false);


}

 function add_email_to_select(idEmail, selectid, message){
	var email = $('#'+idEmail).val();
 	if (!test_email(email)){ alert(message); return; }

 	$('#'+idEmail).val('');
	add_record_to_select(email, email, selectid);
 }


function send_share_case (elementid, uri, div, caseid){
	$('#'+elementid+' dd').each(function(){
		var action = 'shared=' + $(this).attr("value") + '&caseid=' + caseid;
   		load_edit_form_post(uri, action, div);
	});
}

function send_share_telemed (elementid, uri, div, id){
	$('#'+elementid+' dd').each(function(){
		var action = 'shared=' + $(this).attr("value") + '&telemedid=' + id;
   		load_edit_form_post(uri, action, div);
	});
}

function reset_share_telemed (elementid, uri, div, id){
	$('#'+elementid+' dd').each(function(){
		$(this).remove();
	});
}

function visor_jcarousel(case_id){
	function cint(dividendo, divisor){
		var resto = dividendo % divisor;
		return((dividendo - resto)/divisor);
	};

	function mycarousel_itemLoadCallback(carousel, state){
	    // Check if the requested items already exist
	    if (carousel.has(carousel.first, carousel.last)) {
	        return;
	    }

	    jQuery.get(
	       jacarousel_wwwroot,
	        {
	            first: carousel.first,
	            last: carousel.last,
	           	caseid: case_id

	        },
	        function(xml) {
	            mycarousel_itemAddCallback(carousel, carousel.first, carousel.last, xml);
	        },
	        'xml'
	    );
	};

	function mycarousel_itemAddCallback(carousel, first, last, xml){
	    // Set the size of the carousel
	    carousel.size(parseInt(jQuery('total', xml).text()));

	    jQuery('image', xml).each(function(i) {
	        carousel.add(first + i, mycarousel_getItemHTML(jQuery(this)));

	    });
	};


	function mycarousel_getItemHTML(url){
	    return '<a href="'+pathroot+'/atlas/view.php?id='+ url.attr('id') +'"><img src="'+ url.text() +'" width="75" height="75"/></a>';
	};


	jQuery(document).ready(function() {
	    jQuery('#mycarousel_'+ case_id).jcarousel({
	        // Uncomment the following option if you want items
	        // which are outside the visible range to be removed
	        // from the DOM.
	        // Useful for carousels with MANY items.
	        // itemVisibleOutCallback: {onAfterAnimation: function(carousel, item, i, state, evt) { carousel.remove(i); }},
			//vertical:true,
			scroll:1,
			itemLoadCallback: mycarousel_itemLoadCallback
	    });
	});
}

function visor_jcarousel_vertical(case_id){
	function cint(dividendo, divisor){
		var resto = dividendo % divisor;
		return((dividendo - resto)/divisor);

	};

	function mycarousel_itemLoadCallback(carousel, state){
	    // Check if the requested items already exist
	    if (carousel.has(carousel.first, carousel.last)) {
	        return;
	    }

	    jQuery.get(
	       jacarousel_wwwroot,
	        {
	            first: carousel.first,
	            last: carousel.last,
	           	caseid: case_id

	        },
	        function(xml) {
	            mycarousel_itemAddCallback(carousel, carousel.first, carousel.last, xml);
	        },
	        'xml'
	    );
	};

	function mycarousel_itemAddCallback(carousel, first, last, xml){
	    // Set the size of the carousel
	    carousel.size(parseInt(jQuery('total', xml).text()));

	    jQuery('image', xml).each(function(i) {
	        carousel.add(first + i, mycarousel_getItemHTML(jQuery(this).text()));

	    });
	};


	function mycarousel_getItemHTML(url){
		//url.substr(url.lastIndexOf("/")+1 , url.indexOf("_") - 1)
		var str;
		str = url.substring(0 , url.lastIndexOf('_')-1);
	    return '<a href="'+ pathroot +'/atlas/view.php?id=' + str.substring(str.lastIndexOf('/') + 1, str.lastIndexOf('_')) + '"><img  src=\"' + url + '\"  alt=\"\" /></a>';
	};


	jQuery(document).ready(function() {
	    jQuery('#mycarousel_'+ case_id).jcarousel({
	        // Uncomment the following option if you want items
	        // which are outside the visible range to be removed
	        // from the DOM.
	        // Useful for carousels with MANY items.
	        // itemVisibleOutCallback: {onAfterAnimation: function(carousel, item, i, state, evt) { carousel.remove(i); }},
	        scroll:2,
			vertical:true,
			itemLoadCallback: mycarousel_itemLoadCallback

	    });

	});
}