MediaWiki:Common.js

/**
 * Element animator (used in [[Template:Grid]])
 *
 * Will cycle the active class on any child elements within an element with the animated class.
 */
if ( $( '.animated' ).length ) {
    setInterval( function() {
        $( '.animated' ).each( function() {
            var current = $( this ).find( '.active' ).removeClass( 'active' ), next = current.next();
            if ( !current.next().length ) {
                next = $( this ).children().eq( 0 );
            }
            next.addClass( 'active' );
        } );
    }, 2000 );
}

/**
 * Pause grid templates with lots of cells in them (e.g. [[Template:Grid/Crafting Table]]) on mouseover
 *
 * This is so people have a chance to look at each image on the cell
 * and click on pages they want to view.
 */
function pauseGrid( grid ) {
    $( grid ).hover( function() { 
        $( this ).find( '.grid .animated' ).removeClass( 'animated' ).addClass( 'paused' );
    }, function() {
        $( this ).find( '.grid .paused' ).removeClass( 'paused' ).addClass( 'animated' );
    } );
}
pauseGrid( '.grid-Crafting_Table' );
pauseGrid( '.grid-Furnace' );
pauseGrid( '.grid-Brewing_Stand' );


/**
 * Frame parser (for [[Template:Grid]])
 * 
 * Requests the urls for all the animated grids on a page in 2
 * API requests (due to a bug, 1 API request when it is fixed)
 * and appends them to the correct location.
 */
var baseURL = '/', wikiURL = '/wiki/', $grids = $( '.grid' ), imgString = '';
if ( $grids.length ) {
    $grids.each( function() {
        var imgs = $( this ).data( 'imgs' ), mod = $( this ).data( 'mod' );
        if ( !imgs ) {
            return true;
        }
        
        imgs = imgs.split( ';' );
        imgs.shift();
        $.each( imgs, function() {
            if ( !this.trim() ) {
                return true;
            }
            
            if ( this.indexOf( ':' ) > -1 ) {
                this.replace( /([^:]*):?([^,]*)/, function( $, mod, name ) {
                    if ( mod.trim().toLowerCase() === 'v' || mod.trim().toLowerCase() === 'vanilla' ) {
                        if ( imgString.indexOf( 'File:Grid ' + name.trim() + '.png' ) === -1 ) {
                            imgString += 'File:Grid ' + name.trim() + '.png|';
                        }
                    } else {
                        if ( imgString.indexOf( 'File:Grid ' + name.trim() + ' (' + mod.trim() + ').png' ) === -1 ) {
                            imgString += 'File:Grid ' + name.trim() + ' (' + mod.trim() + ').png|';
                        }
                    }
                } );
            } else {
                this.replace( /([^,]*)/, function( $, name ) {
                    if ( !mod || mod.trim().toLowerCase() === 'v' || mod.trim().toLowerCase() === 'vanilla' ) {
                        if ( imgString.indexOf( 'File:Grid ' + name.trim() + '.png' ) === -1 ) {
                            imgString += 'File:Grid ' + name.trim() + '.png|';
                        }
                    } else {
                        if ( imgString.indexOf( 'File:Grid ' + name.trim() + ' (' + mod.trim() + ').png' ) === -1 ) {
                            imgString += 'File:Grid ' + name.trim() + ' (' + mod.trim() + ').png|';
                        }
                    }
                } );
            }
        } );
    } );
    imgString = imgString.slice( 0, -1 );

    /* Thanks to an API bug, &redirects doesn't work properly with prop=imageinfo
     * Some of the images will return without any imageinfo, even though they are valid
     * So the redirects have to be resolved in a separate request...
     */
    if ( imgString ) {
        $.ajax( {
            type: 'POST',
            url: baseURL + 'w/api.php?action=query&format=json&redirects',
            data: { titles: imgString },
            timeout: 20000
        } ).done( function( data ) {
            var redirects = {};
            if ( data.query.redirects ) {
                $.each( data.query.redirects, function() {
                    redirects[this.to] = this.from;
                    imgString = imgString.replace( this.from, this.to );
                } );
            }
            
            $.ajax( {
                type: 'POST',
                url: baseURL + 'w/api.php?action=query&format=json&prop=imageinfo&iiprop=url&iiurlwidth=32&iiurlheight=32',
                data: { titles: imgString },
                timeout: 20000
            } ).done( function( data ) {
                var urls = {};
                
                $.each( data.query.pages, function( index ) {
                    if ( index < 0 ) {
                        return true;
                    }
                    
                    if ( redirects.hasOwnProperty( this.title ) ) {
                        urls[redirects[this.title].replace( /File:Grid (.*).png/, '$1' )] = this.imageinfo[0].thumburl;
                    } else {
                        urls[this.title.replace( /File:Grid (.*).png/, '$1' )] = this.imageinfo[0].thumburl;
                    }
                } );
                
                $grids.each( function() {
                    var $grid = $( this ), imgs = $grid.data( 'imgs' ), mod = $( this ).data( 'mod' ), html = '';
                    if ( !imgs ) {
                        return true;
                    }
                    
                    imgs = imgs.split( ';' );
                    imgs.shift();
                    $.each( imgs, function() {
                        if ( !this.trim() ) {
                            html += gridFormat();
                            return true;
                        }
                        
                        if ( this.indexOf( ':' ) > -1 ) {
                            this.replace( /([^:]*):?([^,]*),?(\d*)/, function( $, mod, name, num ) {
                                if ( mod.trim().toLowerCase() === 'v' || mod.trim().toLowerCase() === 'vanilla' ) {
                                    html += gridFormat( name.trim(), name.trim(), urls[name.trim()], num );
                                } else {
                                    var img = name.trim() + ' (' + mod.trim() + ')';
                                    html += gridFormat( img, 'Mods/' + mod.trim() + '/' + name.trim(),  urls[img], num );
                                }
                            } );
                        } else {
                            this.replace( /([^,]*),?(\d*)/, function( $, name, num ) {
                                if ( !mod || mod.trim().toLowerCase() === 'v' || mod.trim().toLowerCase() === 'vanilla' ) {
                                    html += gridFormat( name.trim(), name.trim(), urls[name.trim()], num );
                                } else {
                                    var img = name.trim() + ' (' + mod.trim() + ')';
                                    html += gridFormat( img, 'Mods/' + mod.trim() + '/' + name.trim(),  urls[img], num );
                                }
                            } );
                        }
                    } );
                    
                    $grid.find( '> .border > span > .animated' ).append( html );
                } );
            } ).fail( function( error ) {
                console.error( error );
            } );
        } ).fail( function( error ) {
            console.error( error );
        } );
    }
}

function gridFormat( name, link, url, num ) {
    var html = '<span class="image">';
    
    if ( name ) {
        if ( url ) {
            html += '<a title="' + link + '" href="' + wikiURL + link.replace( / /g, '_' ) + '"><img width="32" height="32" src="' + url + '" alt="' + name + '"></a>';
            if ( num ) {
                html += '<span class="number"><a title="' + link + '" href="' + wikiURL + link.replace( / /g, '_' ) + '">' + num + '</a></span>';
            }
        } else {
            html += '<a class="new" title="File:Grid ' + name + '.png" href="' + baseURL + 'w/index.php?title=Special:Upload&wpDestFile=Grid_' + name.replace( / /g, '_' ) + '.png"></a>';
        }
    } else {
        html += '&nbsp;';
    }
    
    return html += '</span>';
}