Penggabungan Label Blog dengan Recent Posts

Pada tutorial kali ini beda dengan tutorial-tutorial lainnya yang di buat oleh Kang Fathur. Mengapa? Artikel blogger ini penggabungan dari Label Blog dengan Recent Posts. Label blog yang dibuat dengan menu dropdown dengan sedikit penerapan kode CSS yang dimodifikasi. Anda bisa langsung melihatnya untuk memastikan penerapan tutorial ini berhasil atau gak.

LIVE DEMO

Cara untuk membuatnya, anda langsung memilih tambahkan gadget (widget) pada blog serta pilih HTML/JavaScript.

<div style="background:#F2F2F2;overflow:auto;width:100%px;height:280px; padding:10px; border:1px solid #ccc">
<span id="pio_labels"></span>
<div id="pio_tulisan"> Recent Posts </div>
<script type="text/javascript">
var maximum_account = 10;
var scripsi = true;
var scripsi_account = 100;
</script>
<script type='text/javascript'>
var num     = maximum_account;
var wsumm   = scripsi;
var summlen = scripsi_account;
var json; var labels;
function entryHasLabel(entry, label){
if(label == "*"){return true;} // always true if label is "*"
var labels = getPostLabels(entry);
return isExists(labels, label);
}
function getAllLabels(json){
var labels  = [];
var entries = json.feed.entry;
for(var i=0; i<entries.length; i++){
var entry = entries[i];
var categories = entry.category;
if(!categories){continue;}
for(var j=0; j<categories.length; j++){
var category = categories[j];
var label = category.term;
if(!isExists(labels, label)){labels.push(label);}
}
}
labels.sort();
return labels;
}
function getContent(entry){
if(!wsumm){return "";}
var content = entry.content ? entry.content.$t : entry.summary.$t;
content = stripHTML(content);
if(content.length <= summlen){return content;}
content = content.substr(0, summlen);
if(content.charAt(content.length-1) != " "){content = content.substr(0, content.lastIndexOf(" ")+1);}
content += "...";
return content;
}
function getPermalink(entry){
var links = entry.link;
if(!links){return null;}
for(var i=0; i<links.length; i++){
var link = links[i];
if(link.rel == "alternate"){return link.href;}
}
return null;
}
function getPostLabels(entry){
var labels     = [];
var categories = entry.category;
if(!categories){return labels;}
for(var i=0; i<categories.length; i++){
labels.push(categories[i].term);
}
return labels;
}
function getRecentPosts(json, label){
// this widget is made by copycat91 in his blog
var posts   = [];
var entries = json.feed.entry;
var i = 0;
while(posts.length < num){
if(i == entries.length){break;}
var entry   = entries[i];
if(entryHasLabel(entry, label)){
var title   = entry.title.$t;
var href    = getPermalink(entry);
var content = getContent(entry);
var post    = {"title" : title, "href" : href, "content" : content};
posts.push(post);
}
i++;
}
return posts;
}
function isExists(array, val){
for(var i=0; i<array.length; i++){
if(array[i] == val){return true;}
}
return false;
}
function onLoadFeed(json_arg){
json   = json_arg;
labels = getAllLabels(json);
showLabels(labels);
showLabeledPosts("*");
}
function showLabeledPosts(label){
// set label == "*" if you want to show all posts
posts = getRecentPosts(json, label);
showPosts(posts);
}
function showLabels(labels){
var s = "";
s += "<select onchange='showLabeledPosts(this.value)'>";
s += "<option value='*'/>Semua Labels";
for(var i=0; i<labels.length; i++){
var label = labels[i];
s += "<option value='"+label+"'/>" + label;
}
s += "</select>";
document.getElementById("pio_labels").innerHTML = s;
}
function showPosts(posts){
var s = "";
if(!wsumm){s += "<ul>";}
for(var i=0; i<posts.length; i++){
var post = posts[i];
if(wsumm){
s += "<p>";
s += "<b><a href='"+post.href+"'>" + post.title + "</a></b> <br/>";
s += post.content;
s += "<br/><a href='"+post.href+"'> continue&gt;&gt; </a>";
s += "</p>";
} else {
s += "<li><a href='"+post.href+"'>" + post.title + "</a></li>";
}
}
if(!wsumm){s += "</ul>";}
document.getElementById("pio_tulisan").innerHTML = s;
}
function stripHTML(s) {
var c;
var intag = false; var newstr = "";
for(var i=0; i<s.length; i++){
c = s.charAt(i);
if(c=="<"){intag = true;}
else if(c==">"){intag = false;}
if(c == ">"){newstr += " ";}
else if(!intag){newstr += c;}
}
return newstr;
}
</script>
<script src="http://kang-fathur.blogspot.com/feeds/posts/default?alt=json-in-script&callback=onLoadFeed"></script>

</div>

Catatan :

Ganti tulisan yang bergaris bawah

1. height:280px; sesuai dengan keinginan anda
2. http://kang-fathur.blogspot.com dengan URL Blog anda.

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