MediaWiki:Common.js

/* Il codice JavaScript inserito qui viene caricato da ciascuna pagina, per tutti gli utenti. */

// BEGIN Enable multiple onload functions

// setup onload functions this way:
// aOnloadFunctions[aOnloadFunctions.length] = function_name; // without brackets!

if (!window.aOnloadFunctions) {
  var aOnloadFunctions = new Array();
}

window.onload = function() {
  if (window.aOnloadFunctions) {
    for (var _i=0; _i<aOnloadFunctions.length; _i++) {
      aOnloadFunctions[_i]();
    }
  }
}

// END Enable multiple onload functions


function addLoadEvent(func) 
{
  if (window.addEventListener) 
    window.addEventListener("load", func, false);
  else if (window.attachEvent) 
    window.attachEvent("onload", func);
}

/*** RICERCA ***/
/** 
*******************************************************
*
*  Descrizione: Cambia Speciale:Ricerca per usare un menu' a
*  tendina, con come default il motore interno di MediaWiki
*
*  Creato e gestito da: [[:en:User:Gracenotes]]
*  Importato in it.wiki da: [[Utente:Jalo]]
*/
 
 if (wgPageName == "Speciale:Ricerca") {
         var searchEngines = [];
         addOnloadHook(SpecialSearchEnhanced);
 }
 
 function SpecialSearchEnhanced() {
         var createOption = function(site, action, mainQ, addQ, addV) {
                 var opt = document.createElement('option');
                 opt.appendChild(document.createTextNode(site));
                 searchEngines[searchEngines.length] = [action, mainQ, addQ, addV];
                 return opt;
         }
         if (document.forms['powersearch'])
             var searchForm = document.forms['powersearch'];
         if (document.forms['search'])
             var searchForm = document.forms['search'];

         if (searchForm.lsearchbox) {
             var searchBox = searchForm.lsearchbox;
         } else {
             var searchBox = searchForm.search;
         }

         var selectBox = document.createElement('select');
         selectBox.id = 'searchEngine';
         searchForm.onsubmit = function() {
                 var optSelected = searchEngines[document.getElementById('searchEngine').selectedIndex];
                 searchForm.action = optSelected[0];
                 searchBox.name = optSelected[1];
                 searchForm.title.value = optSelected[3];
                 searchForm.title.name = optSelected[2];
         }
         selectBox.appendChild(createOption('MediaWiki', wgScriptPath + '/index.php', 'search', 'title', 'Speciale:Ricerca'));
         selectBox.appendChild(createOption('Google', 'http://www.google.com/search', 'q', 'sitesearch', 'it.wikipedia.org'));
         selectBox.appendChild(createOption('Yahoo', 'http://search.yahoo.com/search', 'p', 'vs', 'it.wikipedia.org'));
         selectBox.appendChild(createOption('Windows Live', 'http://search.live.com/results.aspx', 'q', 'q1', 'site:http://it.wikipedia.org'));
         selectBox.appendChild(createOption('Wikiwix', 'http://it.wikiwix.com/', 'action', 'lang', 'it'));
         selectBox.appendChild(createOption('Exalead', 'http://www.exalead.com/wikipedia/results', 'q', 'language', 'it'));

         searchBox.style.marginLeft = '0px';
         if (document.getElementById('loadStatus')) {
             var lStat = document.getElementById('loadStatus');
         } else {
             var lStat = searchForm.fulltext;
         }
         lStat.parentNode.insertBefore(selectBox, lStat);
}

// Serve per far funzionare il Cassetto2 con IE6.
if (window.attachEvent && !window.XMLHttpRequest) window.attachEvent("onload", function() {
        var x=document.getElementById("bodyContent").getElementsByTagName("div");
        for (var i=0; i<x.length; i++) {
                if (x[i].className != "HopFrame") continue;
                var y=x[i].getElementsByTagName("div"); var j;
                for (j=0; j<y.length; j++)
                        if (y[j].className == "HopContent") {x[i].hopContent = y[j]; break;}
                if (j<y.length) {
                        x[i].onmouseover=function() { this.hopContent.style.display="block"; };
                        x[i].onmouseout=function() { this.hopContent.style.display="none"; };
                }
        }
});

// BEGIN Dynamic Navigation Bars


/* Test if an element has a certain class **************************************
 *
 * Description: Uses regular expressions and caching for better performance.
 * Maintainers: User:Mike Dillon, User:R. Koot, User:SG
 */

var hasClass = (function () {
    var reCache = {};
    return function (element, className) {
        return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
    };
})();


// set up the words in your language
var NavigationBarHide = '▲ Nascondi';
var NavigationBarShow = '▼ Espandi';

// set up max count of Navigation Bars on page,
// if there are more, all will be hidden
// NavigationBarShowDefault = 0; // all bars will be hidden
// NavigationBarShowDefault = 1; // on pages with more than 1 bar all bars will be hidden
var NavigationBarShowDefault = 0;


// shows and hides content and picture (if available) of navigation bars
// Parameters:
//     indexNavigationBar: the index of navigation bar to be toggled
function toggleNavigationBar(indexNavigationBar)
{
   var NavToggle = document.getElementById("NavToggle" + indexNavigationBar);
   var NavFrame = document.getElementById("NavFrame" + indexNavigationBar);

   if (!NavFrame || !NavToggle) {
       return false;
   }

   // if shown now
   if (NavToggle.firstChild.data == NavigationBarHide) {
       for (
               var NavChild = NavFrame.firstChild;
               NavChild != null;
               NavChild = NavChild.nextSibling
           ) {
           if (hasClass(NavChild, 'NavPic')) {
               NavChild.style.display = 'none';
           }
           if (hasClass(NavChild, 'NavContent')) {
               NavChild.style.display = 'none';
           }
           if (hasClass(NavChild, 'NavToggle')) {
               NavChild.firstChild.data = NavigationBarShow;
           }
       }

   // if hidden now
   } else if (NavToggle.firstChild.data == NavigationBarShow) {
       for (
               var NavChild = NavFrame.firstChild;
               NavChild != null;
               NavChild = NavChild.nextSibling
           ) {
           if (hasClass(NavChild, 'NavPic')) {
               NavChild.style.display = 'block';
           }
           if (hasClass(NavChild, 'NavContent')) {
               NavChild.style.display = 'block';
           }
           if (hasClass(NavChild, 'NavToggle')) {
               NavChild.firstChild.data = NavigationBarHide;
           }
       }
   }
}

// adds show/hide-button to navigation bars
function createNavigationBarToggleButton()
{
   var indexNavigationBar = 0;
   // iterate over all < div >-elements
   for(
           var i=0; 
           NavFrame = document.getElementsByTagName("div")[i]; 
           i++
       ) {
       // if found a navigation bar
       if (hasClass(NavFrame, 'NavFrame')) {

           indexNavigationBar++;
           var NavToggle = document.createElement("a");
           NavToggle.className = 'NavToggle';
           NavToggle.setAttribute('id', 'NavToggle' + indexNavigationBar);
           NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');');

           var NavToggleText = document.createTextNode(NavigationBarHide);
           NavToggle.appendChild(NavToggleText);

           // add NavToggle-Button as first div-element 
           // in < div class="NavFrame" >
           NavFrame.insertBefore(
               NavToggle,
               NavFrame.firstChild
           );
           NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
       }
   }
   // if more Navigation Bars found than Default: hide all
   if (NavigationBarShowDefault < indexNavigationBar) {
       for(
               var i=1; 
               i<=indexNavigationBar; 
               i++
       ) {
           toggleNavigationBar(i);
       }
   }

}

aOnloadFunctions[aOnloadFunctions.length] = createNavigationBarToggleButton;

// END Dynamic Navigation Bars


/** Collapsible tables *********************************************************
 *
 *  Taken from http://en.wikipedia.org/wiki/MediaWiki:Common.js
 *  Description: Allows tables to be collapsed, showing only the header. See
 *               Wikipedia:NavFrame.
 *  Maintainers: User:R. Koot
 */

var autoCollapse = 2;
var collapseCaption = "nascondi";
var expandCaption = "espandi";

function collapseTable( tableIndex )
{
    var Button = document.getElementById( "collapseButton" + tableIndex );
    var Table = document.getElementById( "collapsibleTable" + tableIndex );

    if ( !Table || !Button ) {
        return false;
    }

    var Rows = Table.getElementsByTagName( "tr" ); 

    if ( Button.firstChild.data == collapseCaption ) {
        for ( var i = 1; i < Rows.length; i++ ) {
            Rows[i].style.display = "none";
        }
        Button.firstChild.data = expandCaption;
    } else {
        for ( var i = 1; i < Rows.length; i++ ) {
            Rows[i].style.display = Rows[0].style.display;
        }
        Button.firstChild.data = collapseCaption;
    }
}

function createCollapseButtons()
{
    var tableIndex = 0;
    var NavigationBoxes = new Object();
    var Tables = document.getElementsByTagName( "table" );

    for ( var i = 0; i < Tables.length; i++ ) {
        if ( hasClass( Tables[i], "collapsible" ) ) {
            NavigationBoxes[ tableIndex ] = Tables[i];
            Tables[i].setAttribute( "id", "collapsibleTable" + tableIndex );

            var Button     = document.createElement( "span" );
            var ButtonLink = document.createElement( "a" );
            var ButtonText = document.createTextNode( collapseCaption );

            Button.style.styleFloat = "right";
            Button.style.cssFloat = "right";
            Button.style.fontWeight = "normal";
            Button.style.textAlign = "right";
            Button.style.width = "6em";

            ButtonLink.setAttribute( "id", "collapseButton" + tableIndex );
            ButtonLink.setAttribute( "href", "javascript:collapseTable(" + tableIndex + ");" );
            ButtonLink.appendChild( ButtonText );

            Button.appendChild( document.createTextNode( "[" ) );
            Button.appendChild( ButtonLink );
            Button.appendChild( document.createTextNode( "]" ) );

            var Header = Tables[i].getElementsByTagName( "tr" )[0].getElementsByTagName( "th" )[0];
            /* only add button and increment count if there is a header row to work with */
            if (Header) {
                Header.insertBefore( Button, Header.childNodes[0] );
                tableIndex++;
            }
        }
    }

    for ( var i = 0;  i < tableIndex; i++ ) {
        if ( hasClass( NavigationBoxes[i], "collapsed" ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], "autocollapse" ) ) ) {
            collapseTable( i );
        }
    }
}

addOnloadHook( createCollapseButtons );

//END Collapsible tables