MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */
// --------------------------------------------------------
// Collapsible tables
// Description: Allows tables to be collapsed, showing only the header. See [[Wikipedia:NavFrame]].
// Maintainers: User:R. Koot
// --------------------------------------------------------
 
var autoCollapse = 3;
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 );


// --------------------------------------------------------
// addPurge
// adds a "purge" tab (after "watch")
// --------------------------------------------------------
addOnloadHook(function () {
    if (wgAction != 'edit' && wgCanonicalNamespace != 'Special' && wgAction != 'history' && wgAction != 'delete' && wgAction != 'watch' && wgAction 
    != 'unwatch' && wgAction != 'protect' && wgAction != 'markpatrolled' && wgAction != 'rollback' && document.URL.indexOf('diff=') <= 0
    && document.URL.indexOf('oldid=') <=0)
    { var hist; var url;
    if (!(hist = document.getElementById('ca-history') )) return;
    if (!(url = hist.getElementsByTagName('a')[0] )) return;
    if (!(url = url.href )) return;
    addPortletLink('p-cactions', url.replace(/([?&]action=)history([&#]|$)/, '$1purge$2'),
                   'purge', 'ca-purge', 'Purge server cache for this page', '0');
}
});
//