Slider News Otomatis

Satu lagi tutorial membuat slider otomatis dari Lofslidernews. Slider ini buatan landofcoder.com, contoh nya  bisa anda lihat seperti gambar di atas. Slider ini bisa menampilkan artikel terbaru juga per kategori atau label.

Sebelum masuk ke tutorial membuat slider ini, saya mau kasih tau dulu kalau slider ini agak ribet dalam pengaturan panjang dan lebar image, baik yang besar maupun yang kecil (pagination). Juga slider ini lebih banyak menggunakan kode script, yang bagi blog prioritas SEO akan sangat merugikan. Tapi semua itu bisa diatasi dengan mengkompres dan meringkas kode-kode script pada slider di Google Code.

Oke, jika Anda berminat perhatikan baik-baik tutorial cara pemasangan slider ini sebagai berikut :

1. Setelah masuk ke dashboard blogger, pilih blog yang akan dipasang slider ini.
2. Kemudian masuk ke Template >> Edit HTML 
3. Di back up dulu templatenya, jika sewaktu-waktu terjadi kesalahan bisa dikembalikan ke bentuk semula.
4. Pertama yang harus Anda lakukan adalah membuat satu buah kolom kosong diatas blog post. (jika pada template yang Anda pakai sudah terdapat satu kolom kosong langkah ini tidak perlu dilakukan)

Caranya, letakkan kode berikut di atas kode ]]></b:skin> 

1. /* Slide Content 
2. ----------------------------------------------- */  
3. .slide-wrapper {padding:0 auto;margin:0 auto;width:auto;float: left;  
4. word-wrap: break-word; overflow: hidden;}   
5. .slide {color: #666666;line-height: 1.3em;}  
6. .slide ul {list-style:none;margin:0 0 0;padding:0 0 0;}  
7. .slide li {margin:0;padding-top:0;  
8. padding-right:0;padding-bottom:.25em;  
9. padding-left:0px;text-indent:0px;line-height:1.3em;}  
10. .slide .widget {margin:0px 0px 6px 0px;}  

Kemudian untuk memunculkannya pada layout (diatas blog post), anda harus memanggilnya. Cari kode <div id='main-wrapper'>  atau  <div id='wrapper'>  kemudian letakkan kode berikut dibawahnya :

1. <b:if cond='data:blog.url == data:blog.homepageUrl'>  
2.       <div id='slide-wrapper'>  
3. <b:section class='slide' id='slide' preferred='yes'/>  
4.       </div>  
5. </b:if>   

Save template dulu, sekarang masuk ke Layout/Tata Letak, Anda cek apa sudah terpasang satu kolom di atas Blog Post? Jika sudah ada, masuk lagi ke Edit HTML. Kemudian masukkan kode berikut di atas kode ]]></b:skin> :

/* Lofslidernews */ #slider{background-color:#e2e2e2;background-image: -moz-linear-gradient(top,#f6f6f6 0,#e2e2e2 100%); background-image: -ms-linear-gradient(top,#f6f6f6 0,#e2e2e2 100%); background-image: -o-linear-gradient(top,#f6f6f6 0,#e2e2e2 100%); background-image: -webkit-gradient(linear,left top,left bottom,color-stop(0,#f6f6f6),color-stop(100%,#e2e2e2)); background-image: -webkit-linear-gradient(top,#f6f6f6 0,#e2e2e2 100%); background-image: linear-gradient(to bottom,#f6f6f6 0,#e2e2e2 100%); border-radius:4px;-moz-border-radius:4px;-webkit-border-radius:4px;border:1px solid #999;box-shadow:0 0 4px #888;-moz-box-shadow:0 0 4px #888;-webkit-box-shadow:0 0 4px #888;padding:10px;margin:4px;position:relative;overflow:hidden;width:600px;height:298px;} .slider-main-outer{position:relative;height:100%;width:400px;z-index:3;overflow:hidden} ul.slider-main-wapper li h3{z-index:10;position:absolute;bottom:-14px;width:385px;background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmAw3u1fUhlWyiQxmf0HJQ4gHl1yj55AxU9wdeVzoj12qqbDUGYLZ6ldLYnlLqicyItuOwgoSd9l3IjCutpCHxnes1fMlLKxpMXdqArvDPA164nRO9gkINAz0kfefPtJP-FpSku-zUXXqz/s1600/transparant.png);padding:10px} ul.slider-main-wapper li h3 p{color:#FFF;font-size:12px;padding-top:5px;display:block;margin:0} ul.slider-main-wapper li h3 a{color:#FFF;font-size:16px;line-height:25px;margin:0} ul.slider-main-wapper li .imgauto{width:405px;height:298px;overflow:hidden;margin:0;padding:0} ul.slider-main-wapper{height:298px;width:405px;position:absolute;overflow:hidden;margin:0;padding:0} ul.slider-main-wapper li{overflow:hidden;list-style:none;height:100%;width:405px;float:left;margin:0;padding:0} .slider-opacity li{position:absolute;top:0;left:0;float:inherit} ul.slider-main-wapper li img{list-style:none;width:405px;height:auto;padding:0} ul.slider-navigator{top:0;position:absolute;width:100%;margin:0;padding:0} ul.slider-navigator li{cursor:pointer;list-style:none;width:100%;overflow:hidden;margin:0;padding:0} .slider-navigator-outer{position:absolute;right:10px;top:10px;z-index:10;height:300px;width:200px;overflow:hidden;color:#333} .slider-navigator li h5{color:#333;font:11px Arial;margin:0;padding:5px 10px 0 0} .slider-navigator li div{background-color:#e2e2e2;background-image: -moz-linear-gradient(top,#fff 0,#e2e2e2 100%); background-image: -ms-linear-gradient(top,#fff 0,#e2e2e2 100%); background-image: -o-linear-gradient(top,#fff 0,#e2e2e2 100%); background-image: -webkit-gradient(linear,left top,left bottom,color-stop(0,#fff),color-stop(100%,#e2e2e2)); background-image: -webkit-linear-gradient(top,#fff 0,#e2e2e2 100%); background-image: linear-gradient(to bottom,#fff 0,#e2e2e2 100%)color:#444;text-shadow:1px 1px 1px #fff;height:56px;position:relative;margin:0px 0px 3px 10px;padding:0 5px;border:1px solid #c0c0c0;} .slider-navigator li.active div,.slider-navigator li:hover div{color:#0178d3;border:1px solid #999} .slider-navigator li img{border:#ddd solid 1px;height:44px;width:60px;float:left;margin:5px 5px 5px 0} .slider-navigator li.active img{border:#eee solid 1px} .slider-navigator li.active h5{color:#0178d3}

Perhatikan kode width:600px;height:298px;  itu adalah ukuran panjang dan lebar slider, silahkan disesuaikan dengan ukuran pada template Anda. 

Masih di Edit HTML, masukkan kode script berikut ini diatas </head>

<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js' type='text/javascript'/> <script src='http://yourjavascript.com/24211643151/jquery.easing.js' type='text/javascript'/> <script type='text/javascript'> //<![CDATA[ (function($) { var types = ['DOMMouseScroll', 'mousewheel']; $.event.special.mousewheel = { setup: function() { if ( this.addEventListener ) for ( var i=types.length; i; ) this.addEventListener( types[--i], handler, false ); else this.onmousewheel = handler; }, teardown: function() { if ( this.removeEventListener ) for ( var i=types.length; i; ) this.removeEventListener( types[--i], handler, false ); else this.onmousewheel = null; } }; $.fn.extend({ mousewheel: function(fn) { return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel"); }, unmousewheel: function(fn) { return this.unbind("mousewheel", fn); } }); function handler(event) { var args = [].slice.call( arguments, 1 ), delta = 0, returnValue = true; event = $.event.fix(event || window.event); event.type = "mousewheel"; if ( event.wheelDelta ) delta = event.wheelDelta/120; if ( event.detail ) delta = -event.detail/3; // Add events and delta to the front of the arguments args.unshift(event, delta); return $.event.handle.apply(this, args); } })(jQuery); /** * @version $Id: $Revision * @package jquery * @subpackage lofslidernews * @copyright Copyright (C) JAN 2010 LandOfCoder.com <@emai:landofcoder@gmail.com>. All rights reserved. * @website http://landofcoder.com * @license This plugin is dual-licensed under the GNU General Public License and the MIT License */ // JavaScript Document (function($) { $.fn.lofJSidernews = function( settings ) { return this.each(function() { // get instance of the lofSiderNew. new $.lofSidernews( this, settings ); }); } $.lofSidernews = function( obj, settings ){ this.settings = { direction : '', mainItemSelector : 'li', navInnerSelector : 'ul', navSelector : 'li' , navigatorEvent : 'click', wapperSelector: '.slider-main-wapper', interval : 4000, auto : true, // whether to automatic play the slideshow maxItemDisplay : 5, startItem : 0, navPosition : 'vertical', navigatorHeight : 60, navigatorWidth : 210, duration : 600, navItemsSelector : '.slider-navigator li', navOuterSelector : '.slider-navigator-outer' , isPreloaded : true, easing : 'easeInOutQuad' } $.extend( this.settings, settings ||{} ); this.nextNo = null; this.previousNo = null; this.maxWidth = this.settings.mainWidth || 600; this.wrapper = $( obj ).find( this.settings.wapperSelector ); this.slides = this.wrapper.find( this.settings.mainItemSelector ); if( !this.wrapper.length || !this.slides.length ) return ; // set width of wapper if( this.settings.maxItemDisplay > this.slides.length ){ this.settings.maxItemDisplay = this.slides.length; } this.currentNo = isNaN(this.settings.startItem)||this.settings.startItem > this.slides.length?0:this.settings.startItem; this.navigatorOuter = $( obj ).find( this.settings.navOuterSelector ); this.navigatorItems = $( obj ).find( this.settings.navItemsSelector ) ; this.navigatorInner = this.navigatorOuter.find( this.settings.navInnerSelector ); if( this.settings.navPosition == 'horizontal' ){ this.navigatorInner.width( this.slides.length * this.settings.navigatorWidth ); this.navigatorOuter.width( this.settings.maxItemDisplay * this.settings.navigatorWidth ); this.navigatorOuter.height( this.settings.navigatorHeight ); } else { this.navigatorInner.height( this.slides.length * this.settings.navigatorHeight ); this.navigatorOuter.height( this.settings.maxItemDisplay * this.settings.navigatorHeight ); this.navigatorOuter.width( this.settings.navigatorWidth ); } this.navigratorStep = this.__getPositionMode( this.settings.navPosition ); this.directionMode = this.__getDirectionMode(); if( this.settings.direction == 'opacity') { this.wrapper.addClass( 'slider-opacity' ); $(this.slides).css('opacity',0).eq(this.currentNo).css('opacity',1); } else { this.wrapper.css({'left':'-'+this.currentNo*this.maxSize+'px', 'width':( this.maxWidth ) * this.slides.length } ); } if( this.settings.isPreloaded ) { this.preLoadImage( this.onComplete ); } else { this.onComplete(); } } $.lofSidernews.fn = $.lofSidernews.prototype; $.lofSidernews.fn.extend = $.lofSidernews.extend = $.extend; $.lofSidernews.fn.extend({ startUp:function( obj, wrapper ) { seft = this; this.navigatorItems.each( function(index, item ){ $(item).click( function(){ seft.jumping( index, true ); seft.setNavActive( index, item ); } ); $(item).css( {'height': seft.settings.navigatorHeight, 'width': seft.settings.navigatorWidth} ); }) this.registerWheelHandler( this.navigatorOuter, this ); this.setNavActive(this.currentNo ); if( this.settings.buttons && typeof (this.settings.buttons) == "object" ){ this.registerButtonsControl( 'click', this.settings.buttons, this ); } if( this.settings.auto ) this.play( this.settings.interval,'next', true ); return this; }, onComplete:function(){ setTimeout( function(){ $('.preload').fadeOut( 900 ); }, 400 ); this.startUp( ); }, preLoadImage:function( callback ){ var self = this; var images = this.wrapper.find( 'img' ); var count = 0; images.each( function(index,image){ if( !image.complete ){ image.onload =function(){ count++; if( count >= images.length ){ self.onComplete(); } } image.onerror =function(){ count++; if( count >= images.length ){ self.onComplete(); } } }else { count++; if( count >= images.length ){ self.onComplete(); } } } ); }, navivationAnimate:function( currentIndex ) { if (currentIndex <= this.settings.startItem || currentIndex - this.settings.startItem >= this.settings.maxItemDisplay-1) { this.settings.startItem = currentIndex - this.settings.maxItemDisplay+2; if (this.settings.startItem < 0) this.settings.startItem = 0; if (this.settings.startItem >this.slides.length-this.settings.maxItemDisplay) { this.settings.startItem = this.slides.length-this.settings.maxItemDisplay; } } this.navigatorInner.stop().animate( eval('({'+this.navigratorStep[0]+':-'+this.settings.startItem*this.navigratorStep[1]+'})'), {duration:500, easing:'easeInOutQuad'} ); }, setNavActive:function( index, item ){ if( (this.navigatorItems) ){ this.navigatorItems.removeClass( 'active' ); $(this.navigatorItems.get(index)).addClass( 'active' ); this.navivationAnimate( this.currentNo ); } }, __getPositionMode:function( position ){ if( position == 'horizontal' ){ return ['left', this.settings.navigatorWidth]; } return ['top', this.settings.navigatorHeight]; }, __getDirectionMode:function(){ switch( this.settings.direction ){ case 'opacity': this.maxSize=0; return ['opacity','opacity']; default: this.maxSize=this.maxWidth; return ['left','width']; } }, registerWheelHandler:function( element, obj ){ element.bind('mousewheel', function(event, delta ) { var dir = delta > 0 ? 'Up' : 'Down', vel = Math.abs(delta); if( delta > 0 ){ obj.previous( true ); } else { obj.next( true ); } return false; }); }, registerButtonsControl:function( eventHandler, objects, self ){ for( var action in objects ){ switch (action.toString() ){ case 'next': objects[action].click( function() { self.next( true) } ); break; case 'previous': objects[action].click( function() { self.previous( true) } ); break; } } return this; }, onProcessing:function( manual, start, end ){ this.previousNo = this.currentNo + (this.currentNo>0 ? -1 : this.slides.length-1); this.nextNo = this.currentNo + (this.currentNo < this.slides.length-1 ? 1 : 1- this.slides.length); return this; }, finishFx:function( manual ){ if( manual ) this.stop(); if( manual && this.settings.auto ){ this.play( this.settings.interval,'next', true ); } this.setNavActive( this.currentNo ); }, getObjectDirection:function( start, end ){ return eval("({'"+this.directionMode[0]+"':-"+(this.currentNo*start)+"})"); }, fxStart:function( index, obj, currentObj ){ if( this.settings.direction == 'opacity' ) { $(this.slides).stop().animate({opacity:0}, {duration: this.settings.duration, easing:this.settings.easing} ); $(this.slides).eq(index).stop().animate( {opacity:1}, {duration: this.settings.duration, easing:this.settings.easing} ); }else { this.wrapper.stop().animate( obj, {duration: this.settings.duration, easing:this.settings.easing} ); } return this; }, jumping:function( no, manual ){ this.stop(); if( this.currentNo == no ) return; var obj = eval("({'"+this.directionMode[0]+"':-"+(this.maxSize*no)+"})"); this.onProcessing( null, manual, 0, this.maxSize ) .fxStart( no, obj, this ) .finishFx( manual ); this.currentNo = no; }, next:function( manual , item){ this.currentNo += (this.currentNo < this.slides.length-1) ? 1 : (1 - this.slides.length); this.onProcessing( item, manual, 0, this.maxSize ) .fxStart( this.currentNo, this.getObjectDirection(this.maxSize ), this ) .finishFx( manual ); }, previous:function( manual, item ){ this.currentNo += this.currentNo > 0 ? -1 : this.slides.length - 1; this.onProcessing( item, manual ) .fxStart( this.currentNo, this.getObjectDirection(this.maxSize ), this ) .finishFx( manual ); }, play:function( delay, direction, wait ){ this.stop(); if(!wait){ this[direction](false); } var self = this; this.isRun = setTimeout(function() { self[direction](true); }, delay); }, stop:function(){ if (this.isRun == null) return; clearTimeout(this.isRun); this.isRun = null; } }) })(jQuery) //]]> </script> <script type='text/javascript'> //<![CDATA[ imgr = new Array(); imgr[0] = "https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhFw2W7HJLY3xpFjJqQqj9xf1_tVdlNYeAP_5ZOMwIatyDXgQDC08Wzu3wAE_LsLZjSsw6J18sbtzTTOyHHqjLArXg27YOSj4ffC0GP336Z5uvhd1f97uF_OS0nuP7e5XQ14jJHMSSRnY/s1600/no+image.jpg"; showRandomImg = true; aBold = true; summaryPost = 70; summaryTitle = 20; numposts = 10; function removeHtmlTag(strx,chop){ var s = strx.split("<"); for(var i=0;i<s.length;i++){ if(s[i].indexOf(">")!=-1){ s[i] = s[i].substring(s[i].indexOf(">")+1,s[i].length); } } s = s.join(""); s = s.substring(0,chop-1); return s; } function showrecentposts(json) { j = (showRandomImg) ? Math.floor((imgr.length+1)*Math.random()) : 0; img = new Array(); for (var i = 0; i < numposts; i++) { var entry = json.feed.entry[i]; var posttitle = entry.title.$t; var pcm; var posturl; if (i == json.feed.entry.length) break; for (var k = 0; k < entry.link.length; k++) { if (entry.link[k].rel == 'alternate') { posturl = entry.link[k].href; break; } } for (var k = 0; k < entry.link.length; k++) { if (entry.link[k].rel == 'replies' && entry.link[k].type == 'text/html') { pcm = entry.link[k].title.split(" ")[0]; break; } } if ("content" in entry) { var postcontent = entry.content.$t;} else if ("summary" in entry) { var postcontent = entry.summary.$t;} else var postcontent = ""; postdate = entry.published.$t; if(j>imgr.length-1) j=0; img[i] = imgr[j]; s = postcontent ; a = s.indexOf("<img"); b = s.indexOf("src=\"",a); c = s.indexOf("\"",b+5); d = s.substr(b+5,c-b-5); if((a!=-1)&&(b!=-1)&&(c!=-1)&&(d!="")) img[i] = d; //cmtext = (text != 'no') ? '<i><font color="'+acolor+'">('+pcm+' '+text+')</font></i>' : ''; var month = [1,2,3,4,5,6,7,8,9,10,11,12]; var month2 = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"]; var day = postdate.split("-")[2].substring(0,2); var m = postdate.split("-")[1]; var y = postdate.split("-")[0]; for(var u2=0;u2<month.length;u2++){ if(parseInt(m)==month[u2]) { m = month2[u2] ; break; } } var daystr = day+ ' ' + m + ' ' + y ; var trtd = ' <li style="position:relative;"><div class="imgauto"> <a href="'+posturl+'"><img width="405" height="298" class=" " src="'+img[i]+'"/></a></div> <h3> <a href="'+posturl+'">'+posttitle+'</a><p> '+daystr+' / '+pcm+' comments</p> </h3> </li> '; document.write(trtd); j++; } } function showrecentposts1(json) { j = (showRandomImg) ? Math.floor((imgr.length+1)*Math.random()) : 0; img = new Array(); for (var i = 0; i < numposts; i++) { var entry = json.feed.entry[i]; var posttitle = entry.title.$t; var pcm; var posturl; if (i == json.feed.entry.length) break; for (var k = 0; k < entry.link.length; k++) { if (entry.link[k].rel == 'alternate') { posturl = entry.link[k].href; break; } } for (var k = 0; k < entry.link.length; k++) { if (entry.link[k].rel == 'replies' && entry.link[k].type == 'text/html') { pcm = entry.link[k].title.split(" ")[0]; break; } } if ("content" in entry) { var postcontent = entry.content.$t;} else if ("summary" in entry) { var postcontent = entry.summary.$t;} else var postcontent = ""; postdate = entry.published.$t; if(j>imgr.length-1) j=0; img[i] = imgr[j]; s = postcontent ; a = s.indexOf("<img"); b = s.indexOf("src=\"",a); c = s.indexOf("\"",b+5); d = s.substr(b+5,c-b-5); if((a!=-1)&&(b!=-1)&&(c!=-1)&&(d!="")) img[i] = d; //cmtext = (text != 'no') ? '<i><font color="'+acolor+'">('+pcm+' '+text+')</font></i>' : ''; var month = [1,2,3,4,5,6,7,8,9,10,11,12]; var month2 = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"]; var day = postdate.split("-")[2].substring(0,2); var m = postdate.split("-")[1]; var y = postdate.split("-")[0]; for(var u2=0;u2<month.length;u2++){ if(parseInt(m)==month[u2]) { m = month2[u2] ; break; } } var daystr = day+ ' ' + m + ' ' + y ; var trtd = ' <li><div> <img width="60" height="44" class="alignnone" src="'+img[i]+'"/><h5> '+posttitle+'</h5> </div> </li> '; document.write(trtd); j++; } } //]]> </script>

Perhatikan kode script <script src='http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js' type='text/javascript'/> paling atas, jika pada template Anda sudah terpasang script itu seri berapapun, kode script itu tidak usah diikutkan. numposts:10; adalah jumlah post yang tampil pada slider

Save templates lagi, pemasangan kode-kode di Edit HTML selesai. Sekarang Anda kembali ke Layout/Tata Letak. Masukkan kode di bawah ini ke dalam kolom kosong diatas Blog Post yang sudah Anda buat pertama kali, klik Add a Gadget >> HTML/Javascript :

<div class='lof-main-wapper' id='slider'> <div class='slider-main-outer'> <ul class='slider-main-wapper'> <script> document.write("<script src=\"/feeds/posts/default/-/misteri?max-results="+numposts+"&orderby=published&alt=json-in-script&callback=showrecentposts\"><\/script>"); </script> </ul> </div> <div class='slider-navigator-outer'> <ul class='slider-navigator'> <script> document.write("<script src=\"/feeds/posts/default/-/misteri?max-results="+numposts+"&orderby=published&alt=json-in-script&callback=showrecentposts1\"><\/script>"); </script> </ul> </div> </div> <script type='text/javascript'> jQuery(document).ready(function($){ $('#slider').lofJSidernews({ interval:6000, duration:800, mainWidth: 405, navigatorWidth: 200, maxItemDisplay:5, easing:'easeInOutQuad', auto:true, isPreloaded: false }); }); </script>

Keterangan :
Tulisan misteri adalah label yang saya masukkan pada slider. Silahkan diganti dengan label yang ingin ditampilkan. 

Save...selesai

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