Albums={ // album item in this array should look as follow // {name: string, // numOfCovers: int} // // previews array should be an array of base64 decoded images // to display to user as preview picture when scrolling throught // the album cover albums:new Array(), // add simply adds new album to internal structure // however albums names must be unique so other // album with the same name wont be insered, // and false will be returned // true on success add: function(album_name, num) { if (Albums.albums[album_name] != undefined) return false; Albums.albums[album_name] = {name: album_name, numOfCovers: num}; return true; }, // remove element with given name // returns remove element or undefined if no such element was present remove: function(name) { var i = -1, tmp = 0; for (var a in Albums.albums) { if (a.name == name) { i = tmp; break; } tmp++; } if (i != -1) { return Albums.albums.splice(i,1); } return undefined; }, // return element which match given name // of undefined if such element do not exist find: function(name) { return Albums.albums[name]; }, // displays gallery in linear representation // on given element, and apply default styles for gallery display: function(element) { var displayTemplate = ''; for (var i in Albums.albums) { var a = Albums.albums[i]; var local=$(displayTemplate); local.attr('data-album',a.name); $(".gallery_album_decoration a.rename", local).bind('click', {name: a.name},function(event){ event.preventDefault(); galleryRename(event.data.name); }); $(".gallery_album_decoration a.remove", local).bind('click', {name: a.name},function(event){ event.preventDefault(); galleryRemove(event.data.name); }); $("a.view", local).attr('href','?view='+escape(a.name)); $('h1',local).text(a.name); $(".gallery_album_cover", local).attr('title',a.name); $(".gallery_album_cover", local).css('background-repeat', 'no-repeat'); $(".gallery_album_cover", local).css('background-position', '0'); $(".gallery_album_cover", local).css('background-image','url("ajax/galleryOp.php?operation=get_covers&albumname='+escape(a.name)+'")'); $(".gallery_album_cover", local).mousemove(function(e) { var albumMetadata = Albums.find(this.title); if (albumMetadata == undefined) { return; } var x = Math.floor((e.layerX - this.offsetLeft)/(this.offsetWidth/albumMetadata.numOfCovers)); x *= this.offsetWidth; if (x < 0) x=0; $(this).css('background-position', -x+'px 0'); }); $(element).append(local); } }, rename: function(element, new_name) { if (new_name) { $(element).attr("data-album", new_name); $("a.view", element).attr("href", "?view="+new_name); $("h1", element).text(new_name); } }, clear: function(element) { Albums.albums = new Array(); element.innerHTML = ''; } }