Difference between revisions of "MediaWiki:Common.js"

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(Added countdown timer code, at request of Antitrust)
(Removed collapsible table code (redundant and potential source of conflict, according to Antitrust))
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/* Any JavaScript here will be loaded for all users on every page load. */
 
/* Any JavaScript here will be loaded for all users on every page load. */
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/** Collapsible tables *********************************************************
 
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*
 
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*  Description: Allows tables to be collapsed, showing only the header. See
 
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*   http://www.mediawiki.org/wiki/Manual:Collapsible_tables.
 
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*  Maintainers: [[en:User:R. Koot]]
 
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*/
 
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var autoCollapse = 2;
 
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var collapseCaption = 'hide';
 
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var expandCaption = 'show';
 
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function collapseTable( tableIndex ) {
 
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var Button = document.getElementById( 'collapseButton' + tableIndex );
 
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var Table = document.getElementById( 'collapsibleTable' + tableIndex );
 
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if ( !Table || !Button ) {
 
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return false;
 
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}
 
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var Rows = Table.rows;
 
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if ( Button.firstChild.data == collapseCaption ) {
 
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for ( var i = 1; i < Rows.length; i++ ) {
 
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Rows[i].style.display = 'none';
 
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}
 
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Button.firstChild.data = expandCaption;
 
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} else {
 
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for ( var i = 1; i < Rows.length; i++ ) {
 
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Rows[i].style.display = Rows[0].style.display;
 
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}
 
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Button.firstChild.data = collapseCaption;
 
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}
 
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}
 
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function createCollapseButtons() {
 
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var tableIndex = 0;
 
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var NavigationBoxes = new Object();
 
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var Tables = document.getElementsByTagName( 'table' );
 
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for ( var i = 0; i < Tables.length; i++ ) {
 
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if ( hasClass( Tables[i], 'collapsible' ) ) {
 
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/* only add button and increment count if there is a header row to work with */
 
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var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
 
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if ( !HeaderRow ) {
 
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continue;
 
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}
 
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var Header = HeaderRow.getElementsByTagName( 'th' )[0];
 
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if ( !Header ) {
 
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continue;
 
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}
 
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NavigationBoxes[tableIndex] = Tables[i];
 
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Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );
 
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var Button = document.createElement( 'span' );
 
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var ButtonLink = document.createElement( 'a' );
 
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var ButtonText = document.createTextNode( collapseCaption );
 
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Button.className = 'collapseButton'; // Styles are declared in [[MediaWiki:Common.css]]
 
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ButtonLink.style.color = Header.style.color;
 
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ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
 
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ButtonLink.setAttribute( 'href', "javascript:collapseTable(" + tableIndex + ");" );
 
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ButtonLink.appendChild( ButtonText );
 
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Button.appendChild( document.createTextNode( '[' ) );
 
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Button.appendChild( ButtonLink );
 
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Button.appendChild( document.createTextNode( ']' ) );
 
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Header.insertBefore( Button, Header.childNodes[0] );
 
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tableIndex++;
 
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}
 
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}
 
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for ( var i = 0;  i < tableIndex; i++ ) {
 
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if ( hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
 
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collapseTable( i );
 
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} else if ( hasClass( NavigationBoxes[i], 'innercollapse' ) ) {
 
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var element = NavigationBoxes[i];
 
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while ( element = element.parentNode ) {
 
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if ( hasClass( element, 'outercollapse' ) ) {
 
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collapseTable( i );
 
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break;
 
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}
 
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}
 
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}
 
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}
 
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}
 
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addOnloadHook( createCollapseButtons );
 
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/** Test if an element has a certain class **************************************
 
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*
 
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* Description: Uses regular expressions and caching for better performance.
 
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* Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
 
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*/
 
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var hasClass = ( function() {
 
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var reCache = {};
 
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return function( element, className ) {
 
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return ( reCache[className] ? reCache[className] : ( reCache[className] = new RegExp( "(?:\\s|^)" + className + "(?:\\s|$)" ) ) ).test( element.className );
 
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};
 
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})();
 
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/* This code displays a clock or a countdown timer. Adapted from w3schools.com example. */
 
/* This code displays a clock or a countdown timer. Adapted from w3schools.com example. */
 
function cdTimer() {
 
function cdTimer() {

Revision as of 04:40, 30 September 2012

/* Any JavaScript here will be loaded for all users on every page load. */
/* This code displays a clock or a countdown timer. Adapted from w3schools.com example. */
function cdTimer() {
         var timerElem = $('#CountdownTimer');
         var cdoffset = document.getElementById('cdoffset').innerHTML;

         function checkTime(i) {
                 if (i < 10) {
                         i = "0" + i;
                 }
                 return i;
         }

         if (timerElem.length > 0) {
                 var today = new Date();
                 var h = today.getUTCHours();
                 var m = today.getUTCMinutes();
                 var s = today.getUTCSeconds();

                 var s1 = (s !==0) ? 60 - s : s;
                 var m1 = (m !==0) ? 60 - m : m;
                 var h1 = (24 - (h - cdoffset)) % 24;

                 // add a zero in front of numbers<10
                 m1 = checkTime(m1);
                 s1 = checkTime(s1);
                 timerElem.text(h1 + ":" + m1 + ":" + s1);
                 t = setTimeout('cdTimer()', 1000);
         }
}

addonloadHook(cdTimer);

function sTime() {
         var timeElem = $('#ServerTime');
         var soffset = document.getElementById('soffset').innerHTML;

         function checkTime(i) {
                 if (i < 10) {
                         i = "0" + i;
                 }
                 return i;
         }

         if (timeElem.length > 0) {
                 var today = new Date();
                 var h = today.getUTCHours();
                 var m = today.getUTCMinutes();
                 var s = today.getUTCSeconds();

                 var h2 = (h + soffset) % 24;

                 // add a zero in front of numbers<10
                 h2 = checkTime(h2);
                 m2 = checkTime(m);
                 s2 = checkTime(s);
                 timeElem.text(h2 + ":" + m2 + ":" + s2);
                 t = setTimeout('sTime()', 1000);
         }
}

addonloadHook(sTime);
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