MediaWiki:Common.js

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if ( !Array.prototype.indexOf )
{
    Array.prototype.indexOf = function( elt /*, from*/ )
    {
        var len = this.length;
        var from = Number( arguments[1] ) || 0;
        from = from < 0 ? Math.ceil( from ) : Math.floor( from );

        if ( from < 0 )
            from += len;

        for ( ; from < len; from++ )
        {
            if ( from in this && this[from] === elt )

            return from;
        }

        return -1;
    };
}

function Map()
{
    // private members
    var mKeyArray = new Array(); // Keys
    var mValueArray = new Array(); // Values

    // methods
    this.clear = function()
    {
        mKeyArray.length = 0;
        mValueArray.length = 0;
    };

    this.containsKey = function( key )
    {
        return mKeyArray.indexOf( key ) == -1 ? false : true;
    };

    this.containsValue = function( value )
    {
        return mValueArray.indexOf( value ) == -1 ? false : true;
    };

    this.entrySet = function()
    {
        set = new Array();

        for ( i = 0; i < mKeyArray.length; i++ )
        {
            entry = new Object();
            entry.key = mKeyArray[i];
            entry.value = valArray[i];
            set.push( entry );
        }

        return set;
    };

    this.get = function( key )
    {
        var index = mKeyArray.indexOf( key );

        return index == -1 ? null : mValueArray[index];
    };

    this.isEmpty = function()
    {
        return mKeyArray.length == 0 ? true : false;
    }

    this.keySet = function()
    {
        // return a copy of the key set array
        return mKeyArray.slice(0);
    };

    this.put = function( key, val )
    {
        var index = mKeyArray.indexOf( key );

        if ( index == -1 )
        {
            mKeyArray.push( key );
            mValueArray.push( val );
            return null;
        }

        var old = mValueArray[index];
        mValueArray[index] = val;

        return old;
    };

    this.putAll = function( map )
    {
        if ( !Map.prototype.isPrototypeOf( map ) )
            throw new TypeError( "Argument is not of class 'Map'." );

        var keys = map.keySet();

        for ( i = 0; i < keys.length; i++ )
        {
            key = keys[i];
            this.put( key, map.get( key ) );
        }
    };

    this.remove = function( key )
    {
        var index = mKeyArray.indexOf( key );

        if ( index == -1 )
            return null;

        var old = mValueArray[index];
        mKeyArray = mKeyArray.splice( index, 1 );
        mValueArray = mValueArray.splice( index, 1 );
        return old;
    };

    this.size = function()
    {
        return mKeyArray.length;
    };

    this.toString = function()
    {
        var result = "{";

        for( var i = 0; i < mKeyArray.length; i++ )
        {
            if ( i != 0 )
                result += ", ";

            result += mKeyArray[i].valueOf() + "=" + mValueArray[i].valueOf();
        }

        result = "}";

        return result;
    };   // returns a string with all keys and values in map.

    this.values = function()
    {
        // return a copy of the value set array
        return mValueArray.slice(0);
    };
}
/**
 * Collapsible tables; reimplemented with mw-collapsible
 * Styling is also in place to avoid FOUC
 * 
 * Allows tables to be collapsed, showing only the header. See [[Help:Collapsing]].
 * @version 3.0.0 (2018-05-20)
 * @source https://www.mediawiki.org/wiki/MediaWiki:Gadget-collapsibleTables.js
 * @author [[User:R. Koot]]
 * @author [[User:Krinkle]]
 * @author [[User:TheDJ]]
 * @deprecated Since MediaWiki 1.20: Use class="mw-collapsible" instead which
 * is supported in MediaWiki core. Shimmable since MediaWiki 1.32
 */
function makeCollapsibleMwCollapsible( $content ) {
	var $tables = $content
		.find( 'table.collapsible:not(.mw-collapsible)' )
		.addClass( 'mw-collapsible' );

	$.each( $tables, function( index, table ) {
		// mw.log.warn( 'This page is using the deprecated class collapsible. Please replace it with mw-collapsible.');
		if( $( table ).hasClass( 'collapsed') ) {
			$( table ).addClass( 'mw-collapsed' );
			// mw.log.warn( 'This page is using the deprecated class collapsed. Please replace it with mw-collapsed.');
		}
	} );
	if( $tables.length > 0 ) {
		mw.loader.using( 'jquery.makeCollapsible' ).then( function() {
			$tables.makeCollapsible();
		} );
	}
}
mw.hook( 'wikipage.content' ).add( makeCollapsibleMwCollapsible );

/**
 * Add support to mw-collapsible for autocollapse, innercollapse and outercollapse
 *
 * Maintainers: TheDJ
 */
function mwCollapsibleSetup( $collapsibleContent ) {
	var $element,
		$toggle,
		autoCollapseThreshold = 2;
	$.each( $collapsibleContent, function (index, element) {
		$element = $( element );
		if ( $element.hasClass( 'collapsible' ) ) {
			$element.find('tr:first > th:first').prepend( $element.find('tr:first > * > .mw-collapsible-toggle'));
		}
		if ( $collapsibleContent.length >= autoCollapseThreshold && $element.hasClass( 'autocollapse' ) ) {
			$element.data( 'mw-collapsible' ).collapse();
		} else if ( $element.hasClass( 'innercollapse' ) ) {
			if ( $element.parents( '.outercollapse' ).length > 0 ) {
				$element.data( 'mw-collapsible' ).collapse();
			}
		}
		// because of colored backgrounds, style the link in the text color
		// to ensure accessible contrast
		$toggle = $element.find( '.mw-collapsible-toggle' );
		if ( $toggle.length ) {
			// Make the toggle inherit text color
			if( $toggle.parent()[0].style.color ) {
				$toggle.find( 'a' ).css( 'color', 'inherit' );
			}
		}
	} );
}

mw.hook( 'wikipage.collapsibleContent' ).add( mwCollapsibleSetup );

/**
 * Dynamic Navigation Bars (experimental)
 *
 * Description: See [[Wikipedia:NavFrame]].
 * Maintainers: UNMAINTAINED
 */
 
var collapseCaption = 'hide';
var expandCaption = 'show';

// Set up the words in your language
var navigationBarHide = '[' + collapseCaption + ']';
var navigationBarShow = '[' + expandCaption + ']';

/**
 * Shows and hides content and picture (if available) of navigation bars.
 *
 * @param {number} indexNavigationBar The index of navigation bar to be toggled
 * @param {jQuery.Event} event Event object
 */
function toggleNavigationBar( 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.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.style.display = 'block';
			}
		}
		navToggle.firstChild.data = navigationBarHide;
	}

	event.preventDefault();
}

/**
 * Adds show/hide-button to navigation bars.
 *
 * @param {jQuery} $content
 */
function createNavigationBarToggleButton( $content ) {
	var i, j, navChild, navToggle, navToggleText, isCollapsed,
		indexNavigationBar = 0;
	// Iterate over all < div >-elements
	var $divs = $content.find( 'div.NavFrame:not(.mw-collapsible)' );
	$divs.each( function ( i, navFrame ) {
		indexNavigationBar++;
		navToggle = document.createElement( 'a' );
		navToggle.className = 'NavToggle';
		navToggle.setAttribute( 'id', 'NavToggle' + indexNavigationBar );
		navToggle.setAttribute( 'href', '#' );
		$( navToggle ).on( 'click', $.proxy( toggleNavigationBar, null, indexNavigationBar ) );

		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';
				}
			}
		}
		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 ( 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 );