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 /** Test if an...'

2011-07-20T11:18:09Z

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/* JavaScript som skrivs här körs varje gång en användare laddar en sida. */
/* Any JavaScript here will be loaded for all users on every page load. */
//<pre>
/** Test if an element has a certain class **************************************
*
* Description: Uses regular expressions and caching for better performance.
*/
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:Wikipedia:NavFrame]].
*/

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 );
}
}
}

addOnloadHook( createCollapseButtons );

/*
Source: http://www.dustindiaz.com/getelementsbyclass/
getElementsByClass, which complements getElementById and getElementsByTagName, returns an array of all subelements of ''node'' that are tagged with a specific CSS class (''searchClass'') and are of the tag name ''tag''. If tag is null, it searches for any suitable elements regardless of the tag name.
Example: getElementsByClass('infobox', document.getElementById('content'), 'div') selects the same elements as the CSS declaration #content div.infobox
*/
function getElementsByClass( searchClass, node, tag ) {
var classElements = new Array();

if( node == null ) {
node = document;
}

if( tag == null ) {
tag = '*';
}

var els = node.getElementsByTagName( tag );
var elsLen = els.length;
var tester = new ClassTester( searchClass );

for( i = 0, j = 0; i < elsLen; i++ ) {
if( tester.isMatch( els[i] ) ) {
classElements[j] = els[i];
j++;
}
}

return classElements;
}

function ClassTester( className ) {
this.regex = new RegExp( "(^|\\s)" + className + "(\\s|$)" );
}

ClassTester.prototype.isMatch = function( element ) {
return this.regex.test( element.className );
}
/* end getElementsByClass */

/** Username replace function ([[template:USERNAME]]) *******************************
* Inserts user name into 
*/
function UserNameReplace() {
if( typeof( disableUsernameReplace ) != 'undefined' && disableUsernameReplace || wgUserName == null ) {
return;
}
var spans = getElementsByClass( 'insertusername', null, 'span' );

for( var i = 0; i < spans.length; i++ ) {
spans[i].innerHTML = wgUserName;
}
}
addOnloadHook( UserNameReplace );

// **************************************************
// Experimental JavaScript countdown timer (Splarka)
// Version 0.0.3
// **************************************************
//
// Usage example:
// 
// Only January 01 2007 00:00:00 PST until New years.
// 
// JavaScript disabled.
function updatetimer( i ) {
var now = new Date();
var then = timers[i].eventdate;
var diff = count = Math.floor( ( then.getTime() - now.getTime( ) ) / 1000 );

// catch bad date strings
if( isNaN( diff ) ) {
timers[i].firstChild.nodeValue = '** ' + timers[i].eventdate + ' **';
return;
}

// determine plus/minus
if( diff < 0 ) {
diff = -diff;
var tpm = ' ';
} else {
var tpm = ' ';
}

// calcuate the diff
var left = ( diff % 60 ) + ' seconds';
diff = Math.floor( diff / 60 );
if( diff > 0 ) {
left = ( diff % 60 ) + ' minutes ' + left;
}
diff = Math.floor( diff / 60 );
if( diff > 0 ) {
left = ( diff % 24 ) + ' hours ' + left;
}
diff = Math.floor( diff / 24 );
if( diff > 0 ) {
left = diff + ' days ' + left;
}
timers[i].firstChild.nodeValue = tpm + left;

// a setInterval() is more efficient, but calling setTimeout()
// makes errors break the script rather than infinitely recurse
timeouts[i] = setTimeout( 'updatetimer(' + i + ')', 1000 );
}

function checktimers() {
// hide 'nocountdown' and show 'countdown'
var nocountdowns = getElementsByClassName( document, 'span', 'nocountdown' );
for( var i in nocountdowns ) {
nocountdowns[i].style.display = 'none';
}
var countdowns = getElementsByClassName( document, 'span', 'countdown' );
for( var i in countdowns ) {
countdowns[i].style.display = 'inline';
}

// set up global objects timers and timeouts.
timers = getElementsByClassName( document, 'span', 'countdowndate' ); // global
timeouts = new Array(); // generic holder for the timeouts, global
if( timers.length == 0 ) {
return;
}
for( var i in timers ) {
timers[i].eventdate = new Date( timers[i].firstChild.nodeValue );
updatetimer( i ); // start it up
}
}
addOnloadHook( checktimers );

// **************************************************
// - end - Experimental JavaScript countdown timer
// **************************************************

/* Returns h1.firstHeading (the page title element). */
function getFirstHeading() {
var elements = getElementsByClass( 'firstHeading', document.getElementById( 'content' ), 'h1' );
return ( elements != null && elements.length > 0 ) ? elements[0] : null;
}

// BEGIN JavaScript title rewrite
// requires getFirstHeading() and getElementsByClass() and its dependencies
function rewriteTitle() {
if( typeof( window.SKIP_TITLE_REWRITE ) != 'undefined' && window.SKIP_TITLE_REWRITE ) {
return;
}

var titleDiv = document.getElementById( 'title-meta' );

if( titleDiv == null ) {
return;
}

var cloneNode = titleDiv.cloneNode( true );
var firstHeading = getFirstHeading();
var node = firstHeading.childNodes[0];

// new, then old!
firstHeading.replaceChild( cloneNode, node );
cloneNode.style.display = 'inline';

var titleAlign = document.getElementById( 'title-align' );
firstHeading.style.textAlign = titleAlign.childNodes[0].nodeValue;
}
addOnloadHook( rewriteTitle );
// END JavaScript title rewrite

MediaWiki:Common.js - Versionshistorik

Solar Dragon: Skapade sidan med '/* JavaScript som skrivs här körs varje gång en användare laddar en sida. / / Any JavaScript here will be loaded for all users on every page load. */ //
/** Test if an...'