Created
November 29, 2011 09:48
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PicasaWeb Random Album Widget [JavaScript]
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/**************************************************** | |
* PicasaWeb 隨機相簿 JavaScript Widget | |
* | |
* 使用方式: | |
* | |
* 1. 引入此 JavaScript 檔案 | |
* 2. 在要顯示的地方使用,記得將 [USERNAME] 的部份改成自己的 PicasaWeb 帳號 | |
* <script src="http://picasaweb.google.com/data/feed/base/user/[USERNAME]?kind=album&access=public&alt=json-in-script&callback=showRandomAlbums"></script> | |
* | |
****************************************************/ | |
/** | |
* 取得相簿網址 | |
*/ | |
function getAlbumURL(album) { | |
var albumURL = "" | |
for (var i = 0; i < album.link.length; i++) { | |
if (album.link[i].rel == 'alternate') { | |
albumURL = album.link[i].href | |
break | |
} | |
} | |
return albumURL; | |
} | |
/** | |
* 顯示相簿連結 | |
* | |
* 每本相簿是一個 <ul> 標籤 | |
* | |
*/ | |
function showAlbum(album) { | |
var albumTitle = album.title.$t | |
var albumThumbnail = album.media$group.media$thumbnail[0].url | |
var albumURL = getAlbumURL(album) | |
document.write('<li class="albumItem">') | |
document.write(' <a class="albumLink" href="' + albumURL + '" title="' + albumTitle +'" >') | |
document.write(' <img src="' + albumThumbnail + '"/></a>') | |
document.write('</li>') | |
} | |
/** | |
* 隨機顯示相簿 | |
*/ | |
function showRandomAlbums(picasaJSON) { | |
var shuffledAlbum = shuffle(picasaJSON.feed.entry) | |
document.write('<ul class="albumList">') | |
for (var i = 0; i < shuffledAlbum.length; i++) { | |
var album = shuffledAlbum[i]; | |
showAlbum(album) | |
} | |
document.write('</ul>') | |
} | |
//+ Jonas Raoni Soares Silva | |
//@ http://jsfromhell.com/array/shuffle [v1.0] | |
shuffle = function(o){ //v1.0 | |
for(var j, x, i = o.length; i; j = parseInt(Math.random() * i), x = o[--i], o[i] = o[j], o[j] = x); | |
return o; | |
}; |
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