Difference between revisions of "MediaWiki:Common.js"

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(use non-breaking space on show ▼ hide ▲ buttons)
(remove collapsible content. See Wiki Team/Guide/Collapsible content.)
 
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/* JavaScript here is loaded for all users on every page load.  */
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/* JavaScript here is loaded for all users on every page load, and so should be minimized.  */
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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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/** 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: [[**MAINTAINERS**]]
 
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* added 07 Nov 2009 by [[User:FGrose]] from above source, replacing old code
 
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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 ) continue;
 
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var Header = HeaderRow.getElementsByTagName( 'th' )[0];
 
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if( !Header ) continue;
 
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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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}
 
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}
 
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}
 
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addOnloadHook( createCollapseButtons );
 
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/** Dynamic Navigation Bars (experimental) *************************************
 
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*
 
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*  Description: See [[Wikipedia:NavFrame]].
 
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*  Maintainers: UNMAINTAINED
 
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*
 
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* Added by [[User:FGrose]] on 07 Nov 2009 from Wikipedia:MediaWiki:Common.js
 
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*/
 
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// set up the words in your language
 
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var NavigationBarHide = '[' + collapseCaption + ']';
 
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var NavigationBarShow = '[' + expandCaption + ']';
 
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// shows and hides content and picture (if available) of navigation bars
 
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// Parameters:
 
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//    indexNavigationBar: the index of navigation bar to be toggled
 
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function toggleNavigationBar(indexNavigationBar)
 
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{
 
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    var NavToggle = document.getElementById("NavToggle" + indexNavigationBar);
 
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    var NavFrame = document.getElementById("NavFrame" + indexNavigationBar);
 
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    if (!NavFrame || !NavToggle) {
 
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        return false;
 
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    }
 
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    // if shown now
 
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    if (NavToggle.firstChild.data == NavigationBarHide) {
 
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        for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
 
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            if (hasClass(NavChild, 'NavContent') || hasClass(NavChild, 'NavPic')) {
 
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                NavChild.style.display = 'none';
 
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            }
 
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        }
 
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    NavToggle.firstChild.data = NavigationBarShow;
 
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    // if hidden now
 
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    } else if (NavToggle.firstChild.data == NavigationBarShow) {
 
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        for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
 
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            if (hasClass(NavChild, 'NavContent') || hasClass(NavChild, 'NavPic')) {
 
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                NavChild.style.display = 'block';
 
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            }
 
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        }
 
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        NavToggle.firstChild.data = NavigationBarHide;
 
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    }
 
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}
 
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// adds show/hide-button to navigation bars
 
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function createNavigationBarToggleButton()
 
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{
 
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    var indexNavigationBar = 0;
 
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    // iterate over all < div >-elements
 
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    var divs = document.getElementsByTagName("div");
 
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    for (var i = 0; NavFrame = divs[i]; i++) {
 
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        // if found a navigation bar
 
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        if (hasClass(NavFrame, "NavFrame")) {
 
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            indexNavigationBar++;
 
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            var NavToggle = document.createElement("a");
 
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            NavToggle.className = 'NavToggle';
 
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            NavToggle.setAttribute('id', 'NavToggle' + indexNavigationBar);
 
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            NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');');
 
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            var isCollapsed = hasClass( NavFrame, "collapsed" );
 
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            /*
 
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            * Check if any children are already hidden.  This loop is here for backwards compatibility:
 
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            * the old way of making NavFrames start out collapsed was to manually add style="display:none"
 
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            * to all the NavPic/NavContent elements.  Since this was bad for accessibility (no way to make
 
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            * the content visible without JavaScript support), the new recommended way is to add the class
 
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            * "collapsed" to the NavFrame itself, just like with collapsible tables.
 
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            */
 
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            for (var NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling) {
 
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                if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
 
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                    if ( NavChild.style.display == 'none' ) {
 
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                        isCollapsed = true;
 
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                    }
 
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                }
 
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            }
 
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            if (isCollapsed) {
 
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                for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
 
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                    if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
 
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                        NavChild.style.display = 'none';
 
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                    }
 
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                }
 
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            }
 
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            var NavToggleText = document.createTextNode(isCollapsed ? NavigationBarShow : NavigationBarHide);
 
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            NavToggle.appendChild(NavToggleText);
 
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            // Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
 
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            for(var j=0; j < NavFrame.childNodes.length; j++) {
 
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                if (hasClass(NavFrame.childNodes[j], "NavHead")) {
 
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                    NavFrame.childNodes[j].appendChild(NavToggle);
 
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                }
 
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            }
 
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            NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
 
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        }
 
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    }
 
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}
 
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addOnloadHook( createNavigationBarToggleButton );
 

Latest revision as of 22:59, 6 November 2013

/* JavaScript here is loaded for all users on every page load, and so should be minimized.  */
Retrieved from "https://wiki.sugarlabs.org/index.php?title=MediaWiki:Common.js&oldid=90340"