MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */
//Adding Header/Footer to these pages
(function() {
    var css = document.createElement('link');
    css.rel = 'stylesheet';
    css.href = '//familysearch.org/hf/hf.css';
    var head = document.querySelector('head');
    head.insertBefore(css, head.childNodes[0]);
})();

(function() {
    var body = document.querySelector('body');
    body.innerHTML = '<div class="wikiContainer">' + body.innerHTML + '</div>';
    body.insertBefore(document.createElement('header'), body.childNodes[0]);
    body.appendChild(document.createElement('footer'));
})();

(function() {
    var meta = document.createElement('meta');
    meta.name = 'hf_base_url';
    meta.content = 'https://beta.familysearch.org';
    var head = document.querySelector('head');
    head.insertBefore(meta, head.childNodes[0]);
})();

(function() {
    var fs = document.createElement('script');
    fs.type = 'text/javascript';
    fs.async = true;
    var base_url = "https://beta.familysearch.org";
    fs.src = 'https://familysearch.org/hf/hf.js' + (base_url === "" ? "" : "?base_url=" + base_url);
    var s = document.getElementsByTagName('script')[0];
    s.parentNode.insertBefore(fs, s);
})();

function getCookie(name) {
    var re = new RegExp(name + "=([^;]+)");
    var value = re.exec(document.cookie);
    return (value !== null) ? unescape(value[1]) : null;
}
setTimeout(function() {
    var templeCookie = getCookie('fs-highconf') || getCookie('fs-templeinfo');
    if (templeCookie && templeCookie.indexOf('true') > -1) {
        var body = document.querySelector('body');
        body.classList.add('templeMember');
    }

    /** Test if an element has a certain class **************************************
     *
     * Description: Uses regular expressions and caching for better performance.
     * Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[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
     *               http://www.mediawiki.org/wiki/Manual:Collapsible_tables.
     *  Maintainers: [[**MAINTAINERS**]]
     */
    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.className = 'collapseButton'; // Styles are declared in MediaWiki:Common.css

                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);


    /** Dynamic Navigation Bars (experimental) *************************************
     *
     *  Description: See [[Wikipedia:NavFrame]].
     *  Maintainers: UNMAINTAINED
     */

    // set up the words in your language
    var NavigationBarHide = '[' + collapseCaption + ']';
    var NavigationBarShow = '[' + expandCaption + ']';

    // shows and hides content and picture (if available) of navigation bars
    // Parameters:
    //     indexNavigationBar: the index of navigation bar to be toggled
    function toggleNavigationBar(indexNavigationBar) {
        var NavToggle = document.getElementById("NavToggle" + indexNavigationBar);
        var NavFrame = document.getElementById("NavFrame" + indexNavigationBar);

        if (!NavFrame || !NavToggle) {
            return false;
        }

        // if shown now
        if (NavToggle.firstChild.data == NavigationBarHide) {
            for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
                if (hasClass(NavChild, 'NavContent') || hasClass(NavChild, 'NavPic')) {
                    NavChild.style.display = 'none';
                }
            }
            NavToggle.firstChild.data = NavigationBarShow;

            // if hidden now
        } else if (NavToggle.firstChild.data == NavigationBarShow) {
            for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
                if (hasClass(NavChild, 'NavContent') || hasClass(NavChild, 'NavPic')) {
                    NavChild.style.display = 'block';
                }
            }
            NavToggle.firstChild.data = NavigationBarHide;
        }
    }

    // adds show/hide-button to navigation bars
    function createNavigationBarToggleButton() {
        var indexNavigationBar = 0;
        // iterate over all < div >-elements 
        var divs = document.getElementsByTagName("div");
        for (var i = 0; NavFrame = divs[i]; i++) {
            // if found a navigation bar
            if (hasClass(NavFrame, "NavFrame")) {

                indexNavigationBar++;
                var NavToggle = document.createElement("a");
                NavToggle.className = 'NavToggle';
                NavToggle.setAttribute('id', 'NavToggle' + indexNavigationBar);
                NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');');

                var isCollapsed = hasClass(NavFrame, "collapsed");
                /*
                 * Check if any children are already hidden.  This loop is here for backwards compatibility:
                 * the old way of making NavFrames start out collapsed was to manually add style="display:none"
                 * to all the NavPic/NavContent elements.  Since this was bad for accessibility (no way to make
                 * the content visible without JavaScript support), the new recommended way is to add the class
                 * "collapsed" to the NavFrame itself, just like with collapsible tables.
                 */
                for (var NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling) {
                    if (hasClass(NavChild, 'NavPic') || hasClass(NavChild, 'NavContent')) {
                        if (NavChild.style.display == 'none') {
                            isCollapsed = true;
                        }
                    }
                }
                if (isCollapsed) {
                    for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
                        if (hasClass(NavChild, 'NavPic') || hasClass(NavChild, 'NavContent')) {
                            NavChild.style.display = 'none';
                        }
                    }
                }
                var NavToggleText = document.createTextNode(isCollapsed ? NavigationBarShow : NavigationBarHide);
                NavToggle.appendChild(NavToggleText);

                // Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
                for (var j = 0; j < NavFrame.childNodes.length; j++) {
                    if (hasClass(NavFrame.childNodes[j], "NavHead")) {
                        NavToggle.style.color = NavFrame.childNodes[j].style.color;
                        NavFrame.childNodes[j].appendChild(NavToggle);
                    }
                }
                NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
            }
        }
    }

    $(createNavigationBarToggleButton);
}, 2000);