Difference between revisions of "MediaWiki:Common.js"

Revision as of 04:28, 11 February 2012

//<source lang="javascript">

/* ACTA code from here (can't import) */

/* Copyright 2011 Fight for the Future. Licensed under the MIT license. http://www.opensource.org/licenses/mit-license.php Source available at http://americancensorship.org/modal/client.js */

//IPInfoDB jQuery JSON query example
//Tested with FF 3.5, Opera 10, Chome 5 and IE 8
//Geolocation data is stored as serialized JSON in a cookie
//Bug reports : http://forum.ipinfodb.com/viewforum.php?f=7
function geolocate(timezone, cityPrecision) {
  var key = 'a809ea57ae42411b030ca10dafd412b9653886d6fc4859f7ef6d924b1d8e2b2d';
  var api = (cityPrecision) ? "ip-city" : "ip-country";
  var domain = 'api.ipinfodb.com';
  var version = 'v3';
  var url = "http://" + domain + "/" + version + "/" + api + "/?key=" + key + "&format=json" + "&callback=?";
  var geodata;
  var JSON = JSON || {};

  // implement JSON.stringify serialization
  JSON.stringify = JSON.stringify || function (obj) {
    var t = typeof (obj);
    if (t != "object" || obj === null) {
      // simple data type
      if (t == "string") obj = '"'+obj+'"';
        return String(obj);
    } else {
    // recurse array or object
      var n, v, json = [], arr = (obj && obj.constructor == Array);
      for (n in obj) {
        v = obj[n]; t = typeof(v);
        if (t == "string") v = '"'+v+'"';
        else if (t == "object" && v !== null) v = JSON.stringify(v);
        json.push((arr ? "" : '"' + n + '":') + String(v));
      }
      return (arr ? "[" : "{") + String(json) + (arr ? "]" : "}");
    }
  };

  // implement JSON.parse de-serialization
  JSON.parse = JSON.parse || function (str) {
    if (str === "") str = '""';
      eval("var p=" + str + ";");
      return p;
  };

  //Check if cookie already exist. If not, query IPInfoDB
  this.checkcookie = function(callback) {
    geolocationCookie = getCookie('geolocation');
    if (!geolocationCookie) {
      getGeolocation(callback);
    } else {
      geodata = JSON.parse(geolocationCookie);
      callback();
    }
  }

  //Return a geolocation field
  this.getField = function(field) {
    try {
      return geodata[field];
    } catch(err) {}
  }

  //Request to IPInfoDB
  function getGeolocation(callback) {
    try {
      $.getJSON(url,
      function(data){
        if (data['statusCode'] == 'OK') {
          geodata = data;
          JSONString = JSON.stringify(geodata);
          setCookie('geolocation', JSONString, 365);
          callback();
        }
      });
    } catch(err) {}
  }

  //Set the cookie
  function setCookie(c_name, value, expire) {
    var exdate=new Date();
    exdate.setDate(exdate.getDate()+expire);
    document.cookie = c_name+ "=" +escape(value) + ((expire==null) ? "" : ";expires="+exdate.toGMTString());
  }

  //Get the cookie content
  function getCookie(c_name) {
    if (document.cookie.length > 0 ) {
      c_start=document.cookie.indexOf(c_name + "=");
      if (c_start != -1){
        c_start=c_start + c_name.length+1;
        c_end=document.cookie.indexOf(";",c_start);
        if (c_end == -1) {
          c_end=document.cookie.length;
        }
        return unescape(document.cookie.substring(c_start,c_end));
      }
    }
    return '';
  }
}




function setCookie(name,value,days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
    }
    else var expires = "";
    document.cookie = name+"="+value+expires+"; path=/";
}

function getCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return null;
}

function deleteCookie(name) {
    setCookie(name,"",-1);
}

if (typeof global_displayAmericanCensorshipModal == 'undefined') {
    var global_displayAmericanCensorshipModal = 0;
}

displayAmericanCensorshipModal = function() {
  // Inject CSS
  if (!global_displayAmericanCensorshipModal) {
      global_displayAmericanCensorshipModal = 1;
      var css = '#signupmodal-overlay{display:block;position:absolute;top:0;left:0;width:100%;height:100%;background-color:#444;z-index:1001;-moz-opacity:.8;opacity:.8;filter:alpha(opacity=80);}#signupmodal-lightbox{display:block;position:absolute;left:15%;top:15%;width:862px;height:347px;padding:0;margin:0;background-color:#fff;z-index:1500;overflow:hidden;box-shadow:0px 0px 25px #171717;-webkit-border-radius: 3px;-moz-border-radius: 3px;border-radius: 3px;overflow:hidden;}#signupmodal-lightbox iframe{border:0;width:862px;height:527px;overflow:hidden;}#signupmodal-close{color:white;font-family:"Helvetica","Arial",sans-serif;float:right;vertical-align:10px;z-index:100;position:absolute;margin-left:800px;vertical-align:50px;}';
      var style = document.createElement('style');
      style.type = "text/css";
      style.innerHTML = css;
      document.body.appendChild(style);

      // Inject HTML
      var html = '<a id="signupmodal-overlay" href="javascript:void(0)" onclick="javascript:document.getElementById(\'signupmodal-overlay\').style.display=\'none\';document.getElementById(\'signupmodal-lightbox\').style.display=\'none\';"></a>'
               + '<div id="signupmodal-lightbox">'
               + '<a id="signupmodal-close" href="javascript:void(0)" onclick="javascript:document.getElementById(\'signupmodal-overlay\').style.display=\'none\';document.getElementById(\'signupmodal-lightbox\').style.display=\'none\';">'
               + '<img src="http://americancensorship.org/modal/images/close.png" title="Close"/>'
               + '</a>'
               + '<iframe src="http://killacta.org/embed.html"></iframe>'
               + '</div>';

      var injector = document.createElement('div');
      injector.innerHTML = html;
      document.body.appendChild(injector);
  } else {
      document.getElementById('signupmodal-overlay').style.display='block';
      document.getElementById('signupmodal-lightbox').style.display='block';
  }
}


var euCountries=["BE", "BG", "CZ", "DK", "DE", "EE", "IE", "EL", "ES", "FR", "IT", "CY", "LV", "LT", "LU",  "HU", "MT", "NL", "AT", "PL", "PT", "RO", "SI", "SK", "FI", "SE", "UK", "US", "GB"];


if (getCookie('acta-letterzEU')) {
    ;
} else {
		//function geolocate(timezone, cityPrecision)
		var visitorGeolocation = new geolocate(false, true);

		//Check for cookie and run a callback function to execute after geolocation is read either from cookie or IPInfoDB API
		//$(document).ready(function(){alert(visitorGeolocation.getField('countryCode'))}) doesnt work with google Chrome, this is why a callback is used instead
		var callback = function(){

			// $('#country').text(visitorGeolocation.getField('countryCode'));
			$("#country").val(visitorGeolocation.getField('countryCode'));
	};
		visitorGeolocation.checkcookie(callback);

			
		if (jQuery.inArray(visitorGeolocation.getField('countryCode'), euCountries) == -1) {
			setTimeout("displayAmericanCensorshipModal()", 10);
		    setCookie('acta-letterzEU', 'beenthere', 1);
		}   
}

/* ACTA code end */



/* Import more specific scripts if necessary */

if (wgAction == "edit" || wgAction == "submit" || wgPageName == "Special:Upload") //scripts specific to editing pages
{
    importScript("MediaWiki:Common.js/edit.js")
}
else if (wgPageName == "Special:Watchlist") //watchlist scripts
{
    importScript("MediaWiki:Common.js/watchlist.js")
}
else if (wgPageName == "Special:Search") //scripts specific to Special:Search
{
    importScript("MediaWiki:Common.js/search.js")
}


/** Sysop Javascript *******************************************************
  *
  *  Description: Allows for sysop-specific Javascript at [[MediaWiki:Sysop.js]].
  */
function sysopFunctions() {
    if ( wgUserGroups && !window.disableSysopJS ) {
        for ( var g = 0; g < wgUserGroups.length; ++g ) {
            if ( wgUserGroups[g] == "sysop" ) {
                importScript( "MediaWiki:Sysop.js" );
                break;
            }
        }
    }
}

addOnloadHook( sysopFunctions );


/** WikiMiniAtlas *******************************************************
  *
  *  Description: WikiMiniAtlas is a popup click and drag world map.
  *               This script causes all of our coordinate links to display the WikiMiniAtlas popup button.
  *               The script itself is located on meta because it is used by many projects.
  *               See [[Meta:WikiMiniAtlas]] for more information. 
  *  Maintainers: [[User:Dschwen]]
  */

if (wgServer == "https://secure.wikimedia.org") {
    var metaBase = "https://secure.wikimedia.org/wikipedia/meta";
} else {
    var metaBase = "http://meta.wikimedia.org";
}
importScriptURI(metaBase+"/w/index.php?title=MediaWiki:Wikiminiatlas.js&action=raw&ctype=text/javascript&smaxage=21600&maxage=86400")


/* JavaScript for mobile devices */
if (/(Android|iPhone|iPod|webOS)/.test(navigator.userAgent)) {
    importScript("MediaWiki:Common.js/mobile.js")
}


/* Scripts specific to Internet Explorer */

if (navigator.appName == "Microsoft Internet Explorer")
{
    /** Internet Explorer bug fix **************************************************
     *
     *  Description: Fixes IE horizontal scrollbar bug
     *  Maintainers: [[User:Tom-]]?
     */
    
    var oldWidth;
    var docEl = document.documentElement;
    
    function fixIEScroll()
    {
        if (!oldWidth || docEl.clientWidth > oldWidth)
            doFixIEScroll();
        else
            setTimeout(doFixIEScroll, 1);
        
        oldWidth = docEl.clientWidth;
    }
    
    function doFixIEScroll() {
        docEl.style.overflowX = (docEl.scrollWidth - docEl.clientWidth < 4) ? "hidden" : "";
    }
    
    document.attachEvent("onreadystatechange", fixIEScroll);
    document.attachEvent("onresize", fixIEScroll);
    
    
    /**
     * Remove need for CSS hacks regarding MSIE and IPA.
     */
    if (document.createStyleSheet) {
        document.createStyleSheet().addRule('.IPA', 'font-family: "Doulos SIL", "Charis SIL", Gentium, "DejaVu Sans", Code2000, "TITUS Cyberbit Basic", "Arial Unicode MS", "Lucida Sans Unicode", "Chrysanthi Unicode";');
    }

    // In print IE (7?) does not like line-height
    appendCSS( '@media print { sup, sub, p, .documentDescription { line-height: normal; }}');
    
    //Import scripts specific to Internet Explorer 6
    if (navigator.appVersion.substr(22, 1) == "6") {
        importScript("MediaWiki:Common.js/IE60Fixes.js")
    }
}


/* 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);
    };
})();


/** Interwiki links to featured articles ***************************************
 *
 *  Description: Highlights interwiki links to featured articles (or
 *               equivalents) by changing the bullet before the interwiki link
 *               into a star.
 *  Maintainers: [[User:R. Koot]]
 */

function LinkFA() 
{
    if ( document.getElementById( "p-lang" ) ) {
        var InterwikiLinks = document.getElementById( "p-lang" ).getElementsByTagName( "li" );

        for ( var i = 0; i < InterwikiLinks.length; i++ ) {
            if ( document.getElementById( InterwikiLinks[i].className + "-fa" ) ) {
                InterwikiLinks[i].className += " FA"
                InterwikiLinks[i].title = "This is a featured article in another language.";
            }
        }
    }
}

addOnloadHook( LinkFA );


/** Collapsible tables *********************************************************
 *
 *  Description: Allows tables to be collapsed, showing only the header. See
 *               [[Wikipedia:NavFrame]].
 *  Maintainers: [[User:R. Koot]]
 */

var autoCollapse = 2;
var collapseCaption = "hide";
var expandCaption = "show";

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

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

    var Rows = Table.rows;

    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" ) ) {

            /* only add button and increment count if there is a header row to work with */
            var HeaderRow = Tables[i].getElementsByTagName( "tr" )[0];
            if (!HeaderRow) continue;
            var Header = HeaderRow.getElementsByTagName( "th" )[0];
            if (!Header) continue;

            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.className = "collapseButton";  //Styles are declared in Common.css

            ButtonLink.style.color = Header.style.color;
            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( "]" ) );

            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 );
        } 
        else if ( hasClass( NavigationBoxes[i], "innercollapse" ) ) {
            var element = NavigationBoxes[i];
            while (element = element.parentNode) {
                if ( hasClass( element, "outercollapse" ) ) {
                    collapseTable ( i );
                    break;
                }
            }
        }
    }
}

addOnloadHook( createCollapseButtons );


/** Dynamic Navigation Bars (experimental) *************************************
 *
 *  Description: See [[Wikipedia:NavFrame]].
 *  Maintainers: UNMAINTAINED
 */

// set up the words in your language
var NavigationBarHide = '[' + collapseCaption + ']';
var NavigationBarShow = '[' + expandCaption + ']';

// 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';
            }
        }
    NavToggle.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';
            }
        }
        NavToggle.firstChild.data = NavigationBarHide;
    }
}

// adds show/hide-button to navigation bars
function createNavigationBarToggleButton()
{
    var indexNavigationBar = 0;
    // iterate over all < div >-elements 
    var divs = document.getElementsByTagName("div");
    for (var i = 0; NavFrame = divs[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 isCollapsed = hasClass( NavFrame, "collapsed" );
            /*
             * Check if any children are already hidden.  This loop is here for backwards compatibility:
             * the old way of making NavFrames start out collapsed was to manually add style="display:none"
             * to all the NavPic/NavContent elements.  Since this was bad for accessibility (no way to make
             * the content visible without JavaScript support), the new recommended way is to add the class
             * "collapsed" to the NavFrame itself, just like with collapsible tables.
             */
            for (var NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling) {
                if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
                    if ( NavChild.style.display == 'none' ) {
                        isCollapsed = true;
                    }
                }
            }
            if (isCollapsed) {
                for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
                    if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
                        NavChild.style.display = 'none';
                    }
                }
            }
            var NavToggleText = document.createTextNode(isCollapsed ? NavigationBarShow : NavigationBarHide);
            NavToggle.appendChild(NavToggleText);

            // Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
            for(var j=0; j < NavFrame.childNodes.length; j++) {
                if (hasClass(NavFrame.childNodes[j], "NavHead")) {
                    NavFrame.childNodes[j].appendChild(NavToggle);
                }
            }
            NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
        }
    }
}

addOnloadHook( createNavigationBarToggleButton );


/** Main Page layout fixes *********************************************************
 *
 *  Description: Adds an additional link to the complete list of languages available.
 *  Maintainers: [[User:AzaToth]], [[User:R. Koot]], [[User:Alex Smotrov]]
 */

if (wgPageName == 'Main_Page' || wgPageName == 'Talk:Main_Page') 
    addOnloadHook(function () {
        addPortletLink('p-lang', 'http://meta.wikimedia.org/wiki/List_of_Wikipedias',
                 'Complete list', 'interwiki-completelist', 'Complete list of Wikipedias')
        var nstab = document.getElementById('ca-nstab-main')
        if (nstab && wgUserLanguage=='en') 
            nstab.firstChild.firstChild.nodeValue = 'Main Page'
    }
)


/** Table sorting fixes ************************************************
  *
  *  Description: Disables code in table sorting routine to set classes on even/odd rows
  *  Maintainers: [[User:Random832]]
  */

ts_alternate_row_colors = false;


/***** uploadwizard_newusers ********
 * Switches in a message for non-autoconfirmed users at [[Wikipedia:Upload]]
 *
 *  Maintainers: [[User:Krimpet]]
 ****/
function uploadwizard_newusers() {
  if (wgNamespaceNumber == 4 && wgTitle == "Upload" && wgAction == "view") {
    var oldDiv = document.getElementById("autoconfirmedusers"),
        newDiv = document.getElementById("newusers");
    if (oldDiv && newDiv) {
      if (typeof wgUserGroups == "object" && wgUserGroups) {
        for (i = 0; i < wgUserGroups.length; i++) {
          if (wgUserGroups[i] == "autoconfirmed") {
            oldDiv.style.display = "block";
            newDiv.style.display = "none";
            return;
          }
        }
      }
      oldDiv.style.display = "none";
      newDiv.style.display = "block";
      return;
    }
  }
}
addOnloadHook(uploadwizard_newusers);


/** IPv6 AAAA connectivity testing **/

var __ipv6wwwtest_factor = 100;
var __ipv6wwwtest_done = 0;
if ((wgServer != "https://secure.wikimedia.org") && (Math.floor(Math.random()*__ipv6wwwtest_factor)==42)) {
    importScript("MediaWiki:Common.js/IPv6.js");
}

/** Magic editintros ****************************************************
 *
 *  Description: Adds editintros on disambiguation pages and BLP pages.
 *  Maintainers: [[User:RockMFR]]
 */

function addEditIntro(name)
{
  var el = document.getElementById('ca-edit');
  if (!el)
    return;
  el = el.getElementsByTagName('a')[0];
  if (el)
    el.href += '&editintro=' + name;
}


if (wgNamespaceNumber == 0) {
  addOnloadHook(function(){
    if (document.getElementById('disambig') || document.getElementById('disambigbox'))
      addEditIntro('Template:Disambig_editintro');
  });

  addOnloadHook(function(){
    var cats = document.getElementById('mw-normal-catlinks');
    if (!cats)
      return;
    cats = cats.getElementsByTagName('a');
    for (var i = 0; i < cats.length; i++) {
      if (cats[i].title == 'Category:Living people' || cats[i].title == 'Category:Possibly living people') {
        addEditIntro('Template:BLP_editintro');
        break;
      }
    }
  });
}

//</source>