Difference between revisions of "MediaWiki:Common.js"

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(DoW -- dunno if this is problematic)
(purge)
Line 1: Line 1:
/* 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. */
/**
* 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
**/
window.toggleNavigationBar = function ( indexNavigationBar, event ) {
    var NavToggle = document.getElementById( 'NavToggle' + indexNavigationBar );
    var NavFrame = document.getElementById( 'NavFrame' + indexNavigationBar );
    var NavChild;
    if ( !NavFrame || !NavToggle ) {
        return false;
    }
    /* if shown now */
    if ( NavToggle.firstChild.data === NavigationBarHide ) {
        for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
            if ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( 'NavPic' ) ) {
                NavChild.style.display = 'none';
            }
        }
    NavToggle.firstChild.data = NavigationBarShow;
    /* if hidden now */
    } else if ( NavToggle.firstChild.data === NavigationBarShow ) {
        for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
            if ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( 'NavPic' ) ) {
                NavChild.style.display = 'block';
            }
        }
        NavToggle.firstChild.data = NavigationBarHide;
    }
    event.preventDefault();
};
/* adds show/hide-button to navigation bars */
function createNavigationBarToggleButton() {
    var indexNavigationBar = 0;
    var NavFrame;
    var NavChild;
    /* iterate over all < div >-elements */
    var divs = document.getElementsByTagName( 'div' );
    for ( var i = 0; (NavFrame = divs[i]); i++ ) {
        /* if found a navigation bar */
        if ( $( NavFrame ).hasClass( 'NavFrame' ) ) {
            indexNavigationBar++;
            var NavToggle = document.createElement( 'a' );
            NavToggle.className = 'NavToggle';
            NavToggle.setAttribute( 'id', 'NavToggle' + indexNavigationBar );
            NavToggle.setAttribute( 'href', '#' );
            $( NavToggle ).on( 'click', $.proxy( window.toggleNavigationBar, window, indexNavigationBar ) );
            var isCollapsed = $( NavFrame ).hasClass( '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 ( NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling ) {
                if ( $( NavChild ).hasClass( 'NavPic' ) || $( NavChild ).hasClass( 'NavContent' ) ) {
                    if ( NavChild.style.display === 'none' ) {
                        isCollapsed = true;
                    }
                }
            }
            if ( isCollapsed ) {
                for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
                    if ( $( NavChild ).hasClass( 'NavPic' ) || $( NavChild ).hasClass( '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 ( $( NavFrame.childNodes[j] ).hasClass( 'NavHead' ) ) {
                    NavToggle.style.color = NavFrame.childNodes[j].style.color;
                    NavFrame.childNodes[j].appendChild( NavToggle );
                }
            }
            NavFrame.setAttribute( 'id', 'NavFrame' + indexNavigationBar );
        }
    }
}
mw.hook( 'wikipage.content' ).add( createNavigationBarToggleButton );

Revision as of 02:13, 15 January 2014

/* Any JavaScript here will be loaded for all users on every page load. */
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