HarvardReferences.js

//Scripts for supporting extension http://www.mediawiki.org/wiki/Extension:HarvardReferences

var HrvHighlight = new function(){

var state = "";

function setBackground(prm_name){

       var anchorTags = document.getElementsByTagName("li");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.className=="harvBackground"){
                       ob1.className = "";
               }
       }

       var anchorTags = document.getElementsByTagName("sup");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.id.indexOf("harv_note-"+prm_name)==0){
                       ob1.parentNode.className = "harvBackground";
               }else if(ob1.id.indexOf("harv_note-")==0){
                       ob1.parentNode.className = "";
               }
       }

}

function setBackground1(prm_name, prm_n){

       var anchorTags = document.getElementsByTagName("sup");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.id.indexOf("harv_note-")==0){
                       ob1.parentNode.className = "";
               }
       }
       var anchorTags = document.getElementsByTagName("li");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.className=="harvBackground"){
                       ob1.className = "";
               }

               if(ob1.id.indexOf("cite_note-"+prm_name+"-"+prm_n)==0){
                       ob1.className = "harvBackground";
               }else if(ob1.id.indexOf("cite_note-")==0){
                       ob1.className = "";
               }
       }
       

}

function setBackground2(prm_name){

       var n="";

       var arr=prm_name.split("-");
       var arr1=arr[1].split("_");
       
       if(arr[2]){
               n="cite_note-"+arr1[0]+"-"+arr1[1];
       }else{
               n="cite_note-"+arr[1];
       }

       var anchorTags = document.getElementsByTagName("li");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.className=="harvBackground"){
                       ob1.className = "";
               }
               if(ob1.id.indexOf("cite_note-")==0){
                       if(ob1.id==n){
                               ob1.className = "harvBackground";
                       }else{
                               ob1.className = "";
                       }
               }
       }

}

//when user clicks to harv ref in article text function whenUserClicksToHarvRef(prm_name, prm_n){

       var anchorTags = document.getElementsByTagName("a");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.className == "harvReferenceLink" || ob1.className == "harvVisitedLink"){
                       ob1.className = "";
               }
       }

       var anchorTags = document.getElementsByTagName("sup");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.id=="harv_ref-"+prm_name+"-"+prm_n){
                       ob1.className = "harvVisitedLink";
               }else if(ob1.id=="harv_note-"+prm_name+"-"+prm_n){      
                       ob1.className = "harvReferenceLink";
               }else if(ob1.id=="harv_note-"+prm_name){        
                       ob1.className = "harvReferenceLink";
               }else{  
                       ob1.className = "";
               }
       }
       setBackground(prm_name);

}

//when user clicks to big backlink from bibliography function whenUserClicksToHarvBigBacklink(prm_name){

       var anchorTags = document.getElementsByTagName("a");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.className == "harvReferenceLink" || ob1.className == "harvVisitedLink"){
                       ob1.className = "";
               }
       }

       var anchorTags = document.getElementsByTagName("sup");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.className == "harvReferenceLink" || ob1.className == "harvVisitedLink"){
                       ob1.className = "";
               }

               if(ob1.id.indexOf("harv_ref-"+prm_name+"-")==0){
                       ob1.className = "harvVisitedLink";
               }else if(ob1.id=="harv_note-"+prm_name){
                       ob1.className = "harvReferenceLink";
               }
       }

       setBackground(prm_name);

}

//when user clicks to small (number) backlink from bibliography function whenUserClicksToHarvSmallBacklink(prm_name, prm_n){

       var anchorTags = document.getElementsByTagName("a");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.className == "harvReferenceLink" || ob1.className == "harvVisitedLink"){
                       ob1.className = "";
               }
       }

       var anchorTags = document.getElementsByTagName("sup");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.className == "harvReferenceLink" || ob1.className == "harvVisitedLink"){
                       ob1.className = "";
               }

               if(ob1.id=="harv_ref-"+prm_name+"-"+prm_n){
                       ob1.className = "harvVisitedLink";
               }else if(ob1.id=="harv_note-"+prm_name){
                       ob1.className = "harvReferenceLink";
               }else if(ob1.id=="harv_note-"+prm_name+"-"+prm_n){
                       ob1.className = "harvReferenceLink";
               }
       }
       setBackground(prm_name);

}

function showRefsMode(n){

       var anchorTags = document.getElementsByTagName("sup");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.id.indexOf("harv_ref-")==0){
                       if(n==""){
                               ob1.style.display = "";
                               ob2=ob1.childNodes[0]; 
                               ob3=ob2.childNodes[0]; 
                               if(ob3.nodeValue.indexOf("*")>=0){
                                       t=ob2.title;
                                       ob3.nodeValue=t;
                               };
                       }else if(n=="hide"){
                               ob1.style.display = "none";
                       }else if (n=="short"){
                               ob1.style.display = "";
                               ob2=ob1.childNodes[0]; 
                               ob3=ob2.childNodes[0]; 
                               var t=ob3.nodeValue;
                               if(ob1.childNodes.length>1){
                                       var p=ob1.childNodes[1].nodeValue;
                                       t=t+ob1.childNodes[1].nodeValue;
                                       ob1.childNodes[1].nodeValue="";
                               }
                               ob2.title=t;
                               ob3.nodeValue="* ";
                       }else{  
                               ob1.style.display = "";
                       }
               }
       }

}

this.changeFormat = function(){

       var s=state;
       if(s==""){
               s="short";
       }else if(s=="short"){   
               s="hide";
       }else if(s=="hide"){    
               s="";
       }
       state=s;
       showRefsMode(s);

}

//when user clicks to ref in article text whenUserClicksToRef function whenUserClicksToRef(prm_name, prm_n){

       var anchorTags = document.getElementsByTagName("sup");
       //alert('"#cite_ref'+prm_name+'-'+prm_n+'"');
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               //alert(ob1.id+"==="+ob1.id.indexOf('cite_ref-'));
               if(ob1.id.indexOf("cite_ref-")==0){     
                       if(ob1.id=="cite_ref"+prm_name+"-"+prm_n){
                               ob1.className = "harvVisitedLink";
                       }else{  
                               ob1.className = "harvNone";
                       }
               }else if(ob1.id.indexOf("harv_ref-")==0){       
                       ob1.className = "";
               }else if(ob1.id.indexOf("harv_note-")==0){      
                       ob1.className = "";
               }
       }
       //setBackground(prm_name);

       var anchorTags = document.getElementsByTagName("a");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               var h=ob1.href;
               var p=h.lastIndexOf("#");
               if(p==-1) continue;
               var h=h.substring(p, h.length);
               if(h.indexOf("#cite_ref-")==0){ 
                       if(h == "#cite_ref"+prm_name+"-"+prm_n){        
                               ob1.className = "harvReferenceLink";
                       }else{  
                               ob1.className = "";
                       }
               }
       }
       setBackground1(prm_name, prm_n);

}

function handler1(id){

       var arr=id.split("-");
       whenUserClicksToHarvRef(arr[1], arr[2]);

}

function handler2(id){

       var arr=id.split("-");
       if(arr[2]){
               whenUserClicksToHarvSmallBacklink(arr[1], arr[2]);
       }else{
               whenUserClicksToHarvBigBacklink(arr[1]);
       }

}

function handler3(id){

       var arr=id.split("-");
       if(arr[2]){
               whenUserClicksToRef("-"+arr[1], arr[2]);
       }else{
               whenUserClicksToRef("", arr[1]);
       }

}

function handler4(id, h){

       var p=h.lastIndexOf("#");
       if(p==-1) return;
       var h=h.substring(p+1, h.length);
       whenUserClicksToBackRef(h);

}

//when user clicks to ref in article text whenUserClicksToRef function whenUserClicksToBackRef(prm_href){

       var anchorTags = document.getElementsByTagName("sup");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               if(ob1.className == "harvReferenceLink"){
                       ob1.className = "";
               }
               if(ob1.className == "harvVisitedLink"){
                       ob1.className = "";
               }
               if(ob1.id.indexOf("cite_ref-")==0){     
                       if(ob1.id==prm_href){
                               ob1.className = "harvVisitedLink";
                       }else{  
                               ob1.className = "";
                       }
               }
       }

       var anchorTags = document.getElementsByTagName("a");
       for (var i = 0; i < anchorTags.length ; i++){
               var ob1=anchorTags[i];
               var h=ob1.href;
               var p=h.lastIndexOf("#");
               if(p==-1) continue;
               var h=h.substring(p, h.length);
               if(h.indexOf("#cite_ref-")==0){ 
                       if(h == "#"+prm_href){  
                               ob1.className = "harvReferenceLink";
                       }else{  
                               ob1.className = "";
                       }
               }
       }
       setBackground2(prm_href);

}

//Main function on load page this.onLoad = function(){

       if (wgAction=="view"){ //only for view pages
               var ok=0;
               //install events
               var anchorTags = document.getElementsByTagName("a");
               for (var i = 0; i < anchorTags.length ; i++){
                       var ob1=anchorTags[i];

                       if(ob1.href.indexOf("#harv_note-")>=0){
                               ob1.onclick= function(){handler1(this.parentNode.id)};
                       }else if(ob1.href.indexOf("#harv_ref-")>=0){
                               ob1.onclick= function(){handler2(this.parentNode.id)};
                               ok=1;
                       }else if(ob1.href.indexOf("#cite_note-")>=0){
                               ob1.onclick= function(){handler3(this.parentNode.id)};
                               ok=1;
                       }else if(ob1.href.indexOf("#cite_ref-")>=0){
                               ob1.onclick= function(){handler4(this.parentNode.id, this.href)};
                               ok=1;
                       }
               }

               //install the portlet
               if(ok==1){
                       var hist; var url;
                       if (!(hist = document.getElementById('ca-history') )) return;
                       if (!(url = hist.getElementsByTagName('a')[0] )) return;
                       if (!(url = url.href )) return;
                       addPortletLink('p-cactions', 'javascript:HrvHighlight.changeFormat();',
                                                  'links', 'ca-harvrefs', 'Change format of harvard references', );

                       var s=state;
                       if(s!="") showRefsMode(s);
               }
       }

}

}//obj

//Script is starting here if (doneOnloadHook) HrvHighlight.onLoad() else addOnloadHook(HrvHighlight.onLoad);