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: [[wikipedia:User:Mike Dillon]], [[wikipedia:User:R. Koot]], [[wikipedia: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);
};
})();
/** Collapsible tables *********************************************************
*
* Description: Allows tables to be collapsed, showing only the header. See
* [[Wikipedia:NavFrame]].
* Maintainers: [[wikipedia: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.style.styleFloat = "right";
Button.style.cssFloat = "right";
Button.style.fontWeight = "normal";
Button.style.textAlign = "right";
Button.style.width = "6em";
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 );
}
}
}
jQuery( document ).ready( createCollapseButtons );
// Collapse all tables
function collapseAllTables() {
for (i = 0; i <= $('[id^="collapseButton"]').length; i++) {
collapseTable(i);
}
}
function prepareCollapseAllButton() {
$('.toggle-all-collapsibles').each(function() {
var $link = $('<a href="javascript:collapseAllTables()">toggle all collapsibles</a>');
$(this).replaceWith($link);
});
}
jQuery(document).ready(prepareCollapseAllButton);
/** "Technical restrictions" title fix *****************************************
*
* Description:
* Maintainers: wikipedia:User:Interiot, wikipedia:User:Mets501, wikipedia:User:Freakofnurture
*/
//
// 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. But [[C#]] is not an equivalent
// wikilink, so [[C Sharp]] doesn't have its main title changed)
// Likewise for users who have selected the U.K. date format ("1 March") the
// titles of day-of-the-year articles will appear in that style. Users with any
// other date setting are not affected.
//
// The function looks for a banner like this:
// <div id="RealTitleBanner"> ... <span id="RealTitle">title</span> ... </div>
// An element with id=DisableRealTitle disables the function.
//
var disableRealTitle = 0; // users can set disableRealTitle = 1 locally to disable.
if (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)
jQuery( document ).ready(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.charAt(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 (wgNamespaceNumber != 0) {
if (wgCanonicalNamespace == verifyTitle.substr(0, wgCanonicalNamespace.length).replace(/ /g, "_") && verifyTitle.charAt(wgCanonicalNamespace.length) == ":") {
verifyTitle = verifyTitle.substr(wgCanonicalNamespace.length + 1);
} else {
realTitleText = wgCanonicalNamespace.replace(/_/g, " ") + ":" + realTitleText;
realTitleHTML = wgCanonicalNamespace.replace(/_/g, " ") + ":" + realTitleHTML;
}
}
// verify whether wgTitle matches
verifyTitle = verifyTitle.replace(/[\s_]+/g, " "); // underscores and multiple spaces to single spaces
verifyTitle = verifyTitle.replace(/^\s+/, "").replace(/\s+$/, ""); // trim left and right spaces
verifyTitle = verifyTitle.charAt(0).toUpperCase() + verifyTitle.substring(1, verifyTitle.length); // uppercase first character
if ( (verifyTitle == wgTitle) || (verifyTitle == wgTitle.replace(/^(.+)?(January|February|March|April|May|June|July|August|September|October|November|December)\s+([12]?[0-9]|3[0123])([^\d].*)?$/g, "$1$3 $2$4") )) isPasteable = 1;
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 [[wikipedia:User:Deskana]], code by [[wikipedia:User:Tra]]
jQuery( document ).ready(function () {
if (document.location.search.indexOf("undo=") != -1
&& document.getElementsByName('wpAutoSummary')[0]) {
document.getElementsByName('wpAutoSummary')[0].value='1';
}
})
/** Add dismiss button to watchlist-message *************************************
*
* Description: Hide the watchlist message for one week.
* Maintainers: [[wikipedia:User:Ruud Koot|Ruud Koot]]
*/
function addDismissButton() {
var watchlistMessage = document.getElementById("watchlist-message");
if ( watchlistMessage == null ) return;
var watchlistCookieID = watchlistMessage.className.replace(/cookie\-ID\_/ig,'');
if ( document.cookie.indexOf( "hidewatchlistmessage-" + watchlistCookieID + "=yes" ) != -1 ) {
watchlistMessage.style.display = "none";
}
var Button = document.createElement( "span" );
var ButtonLink = document.createElement( "a" );
var ButtonText = document.createTextNode( "dismiss" );
ButtonLink.setAttribute( "id", "dismissButton" );
ButtonLink.setAttribute( "href", "javascript:dismissWatchlistMessage();" );
ButtonLink.setAttribute( "title", "Hide this message for one week" );
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) );
var watchlistMessage = document.getElementById("watchlist-message");
var watchlistCookieID = watchlistMessage.className.replace(/cookie\-ID\_/ig,'');
document.cookie = "hidewatchlistmessage-" + watchlistCookieID + "=yes; expires=" + e.toGMTString() + "; path=/";
watchlistMessage.style.display = "none";
}
jQuery( document ).ready( addDismissButton );