MediaWiki:Common.js
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/* 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.indexOf( "badge-featuredarticle" ) === -1 ) {
InterwikiLinks[i].className += " FA"
InterwikiLinks[i].title = "This is a featured article in another language.";
}
}
}
}
$( 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 = "fjal";
var expandCaption = "vís";
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 );
}
}
}
$( createCollapseButtons );
/** Dynamic Navigation Bars (experimental) *************************************
*
* Description: See [[Wikipedia:NavFrame]].
* Maintainers: UNMAINTAINED
*/
// set up the words in your language
var NavigationBarHide = '[' + collapseCaption + ']';
var NavigationBarShow = '[' + expandCaption + ']';
// 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 = autoCollapse;
// 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 NavToggleText = document.createTextNode(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);
}
}
// if more Navigation Bars found than Default: hide all
if (NavigationBarShowDefault < indexNavigationBar) {
for(
var i=1;
i<=indexNavigationBar;
i++
) {
toggleNavigationBar(i);
}
}
}
$( createNavigationBarToggleButton );
function mainPageAppendCompleteListLink() {
try {
var node = document.getElementById( "p-lang" )
.getElementsByTagName('div')[0]
.getElementsByTagName('ul')[0];
var aNode = document.createElement( 'a' );
var liNode = document.createElement( 'li' );
aNode.appendChild( document.createTextNode( 'Øll mál' ) );
aNode.setAttribute( 'href' , '//meta.wikimedia.org/wiki/List_of_Wikipedias' );
liNode.appendChild( aNode );
liNode.className = 'interwiki-completelist';
node.appendChild( liNode );
} catch(e) {
// lets just ignore what's happened
return;
}
}
if ( mw.config.get('wgIsMainPage') ) {
$( mainPageAppendCompleteListLink );
}
/** "Technical restrictions" title fix *****************************************
*
* Description:
* Maintainers: [[User:Interiot]], [[User:Mets501]]
*/
// For pages that have something like Template:Lowercase, replace the title, but only if it is cut-and-pasteable as a valid wikilink.
// (for instance [[iPod]]'s title is updated. <nowiki>But [[C#]] is not an equivalent wikilink, so [[C Sharp]] doesn't have its main title changed)</nowiki>
//
// The function looks for a banner like this: <nowiki>
// <div id="RealTitleBanner"> <!-- div that gets hidden -->
// <span id="RealTitle">title</span>
// </div>
// </nowiki>An element with id=DisableRealTitle disables the function.
var disableRealTitle = 0; // users can disable this by making this true from their monobook.js
if (mw.config.get('wgIsArticle')) { // don't display the RealTitle when editing, since it is apparently inconsistent (doesn't show when editing sections, doesn't show when not previewing)
$(function() {
try {
var realTitleBanner = document.getElementById("RealTitleBanner");
if (realTitleBanner && !document.getElementById("DisableRealTitle") && !disableRealTitle) {
var realTitle = document.getElementById("RealTitle");
if (realTitle) {
var realTitleHTML = realTitle.innerHTML;
realTitleText = pickUpText(realTitle);
var isPasteable = 0;
//var containsHTML = /</.test(realTitleHTML); // contains ANY HTML
var containsTooMuchHTML = /</.test( realTitleHTML.replace(/<\/?(sub|sup|small|big)>/gi, "") ); // contains HTML that will be ignored when cut-n-pasted as a wikilink
// calculate whether the title is pasteable
var verifyTitle = realTitleText.replace(/^ +/, ""); // trim left spaces
verifyTitle = verifyTitle[0].toUpperCase() + verifyTitle.substring(1, verifyTitle.length); // uppercase first character
// if the namespace prefix is there, remove it on our verification copy. If it isn't there, add it to the original realValue copy.
if (mw.config.get('wgNamespaceNumber') != 0) {
if (mw.config.get('wgCanonicalNamespace') == verifyTitle.substr(0, mw.config.get('wgCanonicalNamespace').length).replace(/ /g, "_") && verifyTitle.charAt(mw.config.get('wgCanonicalNamespace').length) == ":") {
verifyTitle = verifyTitle.substr(mw.config.get('wgCanonicalNamespace').length + 1);
} else {
realTitleText = mw.config.get('wgCanonicalNamespace').replace(/_/g, " ") + ":" + realTitleText;
realTitleHTML = mw.config.get('wgCanonicalNamespace').replace(/_/g, " ") + ":" + realTitleHTML;
}
}
// verify whether wgTitle matches
verifyTitle = verifyTitle.replace(/^ +/, "").replace(/ +$/, ""); // trim left and right spaces
verifyTitle = verifyTitle.replace(/_/g, " "); // underscores to spaces
verifyTitle = verifyTitle[0].toUpperCase() + verifyTitle.substring(1, verifyTitle.length); // uppercase first character
isPasteable = (verifyTitle == mw.config.get('wgTitle'));
var h1 = document.getElementsByTagName("h1")[0];
if (h1 && isPasteable) {
h1.innerHTML = containsTooMuchHTML ? realTitleText : realTitleHTML;
if (!containsTooMuchHTML)
realTitleBanner.style.display = "none";
}
document.title = realTitleText + " - Wikipedia, the free encyclopedia";
}
}
} catch (e) {
/* Something went wrong. */
}
});
}
// similar to innerHTML, but only returns the text portions of the insides, excludes HTML
function pickUpText(aParentElement) {
var str = "";
function pickUpTextInternal(aElement) {
var child = aElement.firstChild;
while (child) {
if (child.nodeType == 1) // ELEMENT_NODE
pickUpTextInternal(child);
else if (child.nodeType == 3) // TEXT_NODE
str += child.nodeValue;
child = child.nextSibling;
}
}
pickUpTextInternal(aParentElement);
return str;
}
//fix edit summary prompt for undo
//this code fixes the fact that the undo function combined with the "no edit summary prompter" causes problems if leaving the
//edit summary unchanged
//this was added by [[User:Deskana]], code by [[User:Tra]]
$(function () {
if (document.location.search.indexOf("undo=") != -1
&& document.getElementsByName('wpAutoSummary')[0]) {
document.getElementsByName('wpAutoSummary')[0].value='';
}
})
/** Add dismiss button to watchlist-message *************************************
*
* Description: Hide the watchlist message for one week.
* Maintainers: [[User:Ruud Koot|Ruud Koot]]
*/
function addDismissButton() {
var watchlistMessage = document.getElementById("watchlist-message");
if ( watchlistMessage == null ) return;
if ( document.cookie.indexOf( "hidewatchlistmessage=yes" ) != -1 ) {
watchlistMessage.style.display = "none";
}
var Button = document.createElement( "span" );
var ButtonLink = document.createElement( "a" );
var ButtonText = document.createTextNode( "fjal" );
ButtonLink.setAttribute( "id", "dismissButton" );
ButtonLink.setAttribute( "href", "javascript:dismissWatchlistMessage();" );
ButtonLink.setAttribute( "title", "Fjal hesu boð í eina viku" );
ButtonLink.appendChild( ButtonText );
Button.appendChild( document.createTextNode( "[" ) );
Button.appendChild( ButtonLink );
Button.appendChild( document.createTextNode( "]" ) );
watchlistMessage.appendChild( Button );
}
function dismissWatchlistMessage() {
var e = new Date();
e.setTime( e.getTime() + (7*24*60*60*1000) );
document.cookie = "hidewatchlistmessage=yes; expires=" + e.toGMTString() + "; path=/";
var watchlistMessage = document.getElementById("watchlist-message");
watchlistMessage.style.display = "none";
}
$( addDismissButton );