MediaWiki:Common.js: Difference between revisions

Switching to MediaWiki's built-in collapsible table system to remove redundant code
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(Switching to MediaWiki's built-in collapsible table system to remove redundant code)
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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. */
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;
    }
}
mw.loader.using( ['mediawiki.user', 'mediawiki.util', 'mediawiki.notify', 'jquery.client'] ).done( function () {
/* 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: [[User:R. Koot]]
  */
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" ) ) {
            var Header = null;
            /* the editor can override which table header element gets the button with a class */
            var OverrideHeader = Tables[i].getElementsByClassName("collapsiblebutton");
            if(OverrideHeader) OverrideHeader = OverrideHeader[0];
            if(OverrideHeader) Header = OverrideHeader;
            /* only add button and increment count if there is a header row to work with */
            if (!Header){
                var HeaderRow = Tables[i].getElementsByTagName( "tr" )[0];
                if (!HeaderRow) continue;
                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";
            Button.style.marginLeft = "-100%";
            Button.setAttribute( "class", "collapsible-button" );
            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 );
        }
    }
}
$( createCollapseButtons );


/* Content tabber, version 1.0.5 by Greenpickle (GPL3) */
/* Content tabber, version 1.0.5 by Greenpickle (GPL3) */