Page navigation widget

ဘေလာ့မွာ Older Post,Newer Post နဲ႔ Home ဆိုတာေတြေနရာမွာ Page navigation ဆိုတဲ့ widget ေလးထည့္နည္းပါ။ဒါကို သံုးမယ္ဆိုရင္ သင့္ဘေလာ့မွာ main page မွာ Older Posts ဆိုတာ ေပၚေအာင္ လံုေလာက္တဲ့ ပို႔စ္ အေရအတြက္ရွိရပါမယ္။
ဒါမွ မဟုတ္ရင္လည္း Setting - Formatting ကိုသြားၿပီး အေပၚဆံုးက Show at most မွာ ပို႔စ္အေရအတြက္သတ္မွတ္ေပးလိုက္ပါ။



အရင္ဆံုး Design - Page Elements ကိုသြားၿပီး Add a gadget မွ HTML&JavaScript ကိုသြားၿပီးေအာက္က code ကုိထည့္ပါ။

<style type="text/CSS">
.showpageArea a {
text-decoration:underline;
}
.showpageNum a {
text-decoration:none;
border: 1px solid #7AA1C3;
margin:0 3px;
padding:3px;
}
.showpageNum a:hover {
border: 1px solid #7AA1C3;
background-color:#F6F6F6;
}
.showpagePoint {
color:#333;
text-decoration:none;
border: 1px solid #7AA1C3;
background: #F6F6F6;
margin:0 3px;
padding:3px;
}
.showpageOf {
text-decoration:none;
padding:3px;
margin: 0 3px 0 0;
}
.showpage a {
text-decoration:none;
border: 1px solid #7AA1C3;
padding:3px;
}
.showpage a:hover {
text-decoration:none;
}
.showpageNum a:link,.showpage a:link {
text-decoration:none;
color:#7AA1C3;
}
</style>

<script type="text/JavaScript">
function showpageCount(json) {
var thisUrl = location.href;
var htmlMap = new Array();
var isFirstPage = thisUrl.substring(thisUrl.length-5,thisUrl.length)==".com/";
var isLablePage = thisUrl.indexOf("/search/label/")!=-1;
var isPage = thisUrl.indexOf("/search?updated")!=-1;
var thisLable = isLablePage ? thisUrl.substr(thisUrl.indexOf("/search/label/")+14,thisUrl.length) : "";
thisLable = thisLable.indexOf("?")!=-1 ? thisLable.substr(0,thisLable.indexOf("?")) : thisLable;
var thisNum = 1;
var postNum=1;
var itemCount = 0;
var fFlag = 0;
var eFlag = 0;
var html= '';
var upPageHtml ='';
var downPageHtml ='';

var pageCount = 2;
var displayPageNum = 5;
var upPageWord = 'Previous';
var downPageWord = 'Next';

var labelHtml = '<span class="showpageNum"><a href="/search/label/'+thisLable+'?&max-results='+pageCount+'">';

for(var i=0, post; post = json.feed.entry[i]; i++) {
var timestamp = post.published.$t.substr(0,10);
var title = post.title.$t;
if(isLablePage){
if(title!=''){
if(post.category){
for(var c=0, post_category; post_category = post.category[c]; c++) {
if(encodeURIComponent(post_category.term)==thisLable){
if(itemCount==0 || (itemCount % pageCount ==(pageCount-1))){
if(thisUrl.indexOf(timestamp)!=-1 ){
thisNum = postNum;
}

postNum++;
htmlMap[htmlMap.length] = '/search/label/'+thisLable+'?updated-max='+timestamp+'T00%3A00%3A00%2B08%3A00&max-results='+pageCount;
}
}
}
}//end if(post.category){

itemCount++;
}

}else{
if(title!=''){
if(itemCount==0 || (itemCount % pageCount ==(pageCount-1))){
if(thisUrl.indexOf(timestamp)!=-1 ){
thisNum = postNum;
}

if(title!='') postNum++;
htmlMap[htmlMap.length] = '/search?updated-max='+timestamp+'T00%3A00%3A00%2B08%3A00&max-results='+pageCount;
}
}
itemCount++;
}
}

for(var p =0;p< htmlMap.length;p++){
if(p>=(thisNum-displayPageNum-1) && p<(thisNum+displayPageNum)){
if(fFlag ==0 && p == thisNum-2){
if(thisNum==2){
if(isLablePage){
upPageHtml = labelHtml + upPageWord +'</a></span>';
}else{
upPageHtml = '<span class="showpage"><a href="/">'+ upPageWord +'</a></span>';
}
}else{
upPageHtml = '<span class="showpage"><a href="'+htmlMap[p]+'">'+ upPageWord +'</a></span>';
}

fFlag++;
}

if(p==(thisNum-1)){
html += '<span class="showpagePoint">'+thisNum+'</span>';
}else{
if(p==0){
if(isLablePage){
html = labelHtml+'1</a></span>';
}else{
html += '<span class="showpageNum"><a href="/">1</a></span>';
}
}else{
html += '<span class="showpageNum"><a href="'+htmlMap[p]+'">'+ (p+1) +'</a></span>';
}
}

if(eFlag ==0 && p == thisNum){
downPageHtml = '<span class="showpage"> <a href="'+htmlMap[p]+'">'+ downPageWord +'</a></span>';
eFlag++;
}
}//end if(p>=(thisNum-displayPageNum-1) && p<(thisNum+displayPageNum)){
}//end for(var p =0;p< htmlMap.length;p++){

if(thisNum>1){
if(!isLablePage){
html = ''+upPageHtml+' '+html +' ';
}else{
html = ''+upPageHtml+' '+html +' ';
}
}

html = '<div class="showpageArea"><span  class="showpageOf"> Pages ('+(postNum-1)+')</span>'+html;

if(thisNum<(postNum-1)){
html += downPageHtml;

}

if(postNum==1) postNum++;
html += '</div>';

if(isPage || isFirstPage || isLablePage){
var pageArea = document.getElementsByName("pageArea");
var blogPager = document.getElementById("blog-pager");

if(postNum <= 2){
html ='';
}

for(var p =0;p< pageArea.length;p++){
pageArea[p].innerHTML = html;
}

if(pageArea&&pageArea.length>0){
html ='';
}

if(blogPager){
blogPager.innerHTML = html;
}
}

}
</script>

<script src="/feeds/posts/summary?alt=json-in-script&callback=showpageCount&max-results=99999" ; type="text/javascript"></script>

ၿပီးသြားရင္ အနီနဲ႔ျပထားတဲ့ .com ေနရာမွာ သင့္ရဲ့ domain extension ကို ေျပာင္းေပးရပါမယ္။တကယ္လို႔ သင္က blogspot.com or .com ပဲသံုးေနတယ္ဆိုရင္ ေျပာင္းစရာမလိုပါဘူး။ ဥပမာ...သင့္ domain က .net ဒါမွမဟုတ္ .info နဲ႔ဆံုးတယ္ဆိုရင္ .com ကို .net .info ေျပာင္းေပးရပါမယ္။

ေနာက္ဆံုးအဆင့္အေနနဲ႔ ....widget ကို Post area ေအာက္ကိုေရႊ႕ေပးလိုက္ပါ။

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