Gadget top comentaristas com Avatar para Blogger

Este gadget tem sido muito utilizado por muitos blogs, e basicamente mostra as pessoas que mais comentaram em seu blog. É uma boa solução para incentivar e gerar aumento nos comentários de seu blog.

Veja o gadget em funcionamento na barra lateral do blog.

Instalação do gadget top comentaristas com avatar no blogger

Vá em Layout → Modelo → Elementos de página → Escolha onde quer adicionar a gadget de Top Comentaristas

Clique em Adicionar um elemento de página → Escolha tipo HTML/JavaScript → Copie o código abaixo e cole no gadget.

 <style type="text/css">.top-commenter-line {margin: 3px 0;} .top-commenter-avatar {vertical-align:middle;} </style><script type="text/javascript">// // Top Commentators gadget with avatars, by MS-potilas 2012. // Gets a list of top commentators from all comments, or specified number of days in the past. // See http://yabtb.blogspot.com/2012/05/top-commenters-gadget-with-avatars.html // // CONFIG: var maxTopCommenters = 5; // how big a list of top commentators var minComments = 1; // how many comments must top commentator have at least var numDays = 0; // from how many days (ex. 30), or 0 from "all the time" var excludeMe = true; // true: exclude my own comments var excludeUsers = ["Anonymous", "someotherusertoexclude"]; // exclude these usernames var maxUserNameLength = 42; // 0: don't cut, >4: cut usernames // var txtTopLine = '<b>[#].</b> [image] [user] ([count])'; var txtNoTopCommenters = 'No top commentators at this time.'; var txtAnonymous = ''; // empty, or Anonymous user name localized if you want to localize // var sizeAvatar = 16; var cropAvatar = true; // var urlNoAvatar = "http://lh4.googleusercontent.com/-069mnq7DV_g/TvgRrBI_JaI/AAAAAAAAAic/Iot55vywnYw/s"+sizeAvatar+"/avatar_blue_m_96.png"; // http://www.blogger.com/img/avatar_blue_m_96.png resizeable var urlAnoAvatar = 'http://www.gravatar.com/avatar/00000000000000000000000000000000?d=mm&s=' + sizeAvatar; var urlMyProfile = ''; // set if you have no profile gadget on page var urlMyAvatar = ''; // can be empty (then it is fetched) or url to image // config end // for old IEs & IE modes: if(!Array.indexOf) { Array.prototype.indexOf=function(obj) { for(var i=0;i<this.length;i++) if(this[i]==obj) return i; return -1; }} function replaceTopCmtVars(text, item, position) { if(!item || !item.author) return text; var author = item.author; var authorUri = ""; if(author.uri && author.uri.$t != "") authorUri = author.uri.$t; var avaimg = urlAnoAvatar; var bloggerprofile = "http://www.blogger.com/profile/"; if(author.gd$image && author.gd$image.src && authorUri.substr(0,bloggerprofile.length) == bloggerprofile) avaimg = author.gd$image.src; else { var parseurl = document.createElement('a'); if(authorUri != "") { parseurl.href = authorUri; avaimg = 'http://www.google.com/s2/favicons?domain=' + parseurl.hostname; } } if(urlMyProfile != "" && authorUri == urlMyProfile && urlMyAvatar != "") avaimg = urlMyAvatar; if(avaimg == "http://img2.blogblog.com/img/b16-rounded.gif" && urlNoAvatar != "") avaimg = urlNoAvatar; var newsize="s"+sizeAvatar; avaimg = avaimg.replace(/\/s\d\d+-c\//, "/"+newsize+"-c/"); if(cropAvatar) newsize+="-c"; avaimg = avaimg.replace(/\/s\d\d+(-c){0,1}\//, "/"+newsize+"/"); var authorName = author.name.$t; if(authorName == 'Anonymous' && txtAnonymous != '' && avaimg == urlAnoAvatar) authorName = txtAnonymous; var imgcode = '<img class="top-commenter-avatar" height="'+sizeAvatar+'" width="'+sizeAvatar+'" title="'+authorName+'" src="'+avaimg+'" />'; if(authorUri!="") imgcode = '<a href="'+authorUri+'">'+imgcode+'</a>'; if(maxUserNameLength > 3 && authorName.length > maxUserNameLength) authorName = authorName.substr(0, maxUserNameLength-3) + "..."; var authorcode = authorName; if(authorUri!="") authorcode = '<a class="profile-name-link" href="'+authorUri+'">'+authorcode+'</a>'; text = text.replace('[user]', authorcode); text = text.replace('[image]', imgcode); text = text.replace('[#]', position); text = text.replace('[count]', item.count); return text; } var topcommenters = {}; var ndxbase = 1; function showTopCommenters(json) { var one_day=1000*60*60*24; var today = new Date(); if(urlMyProfile == "") { var elements = document.getElementsByTagName("*"); var expr = /(^| )profile-link( |$)/; for(var i=0 ; i<elements.length ; i++) if(expr.test(elements[i].className)) { urlMyProfile = elements[i].href; break; } } for(var i = 0 ; i < json.feed.entry.length ; i++ ) { var entry = json.feed.entry[i]; if(numDays > 0) { var datePart = entry.published.$t.match(/\d+/g); // assume ISO 8601 var cmtDate = new Date(datePart[0],datePart[1]-1,datePart[2],datePart[3],datePart[4],datePart[5]); //Calculate difference btw the two dates, and convert to days var days = Math.ceil((today.getTime()-cmtDate.getTime())/(one_day)); if(days > numDays) break; } var authorUri = ""; if(entry.author[0].uri && entry.author[0].uri.$t != "") authorUri = entry.author[0].uri.$t; if(excludeMe && authorUri != "" && authorUri == urlMyProfile) continue; var authorName = entry.author[0].name.$t; if(excludeUsers.indexOf(authorName) != -1) continue; var hash=entry.author[0].name.$t + "-" + authorUri; if(topcommenters[hash]) topcommenters[hash].count++; else { var commenter = new Object(); commenter.author = entry.author[0]; commenter.count = 1; topcommenters[hash] = commenter; } } if(json.feed.entry.length == 200) { ndxbase += 200; document.write('<script type="text/javascript" src="http://'+window.location.hostname+'/feeds/comments/default?redirect=false&max-results=200&start-index='+ndxbase+'&alt=json-in-script&callback=showTopCommenters"></'+'script>'); return; } // convert object to array of tuples var tuplear = []; for(var key in topcommenters) tuplear.push([key, topcommenters[key]]); tuplear.sort(function(a, b) { if(b[1].count-a[1].count) return b[1].count-a[1].count; return (a[1].author.name.$t.toLowerCase() < b[1].author.name.$t.toLowerCase()) ? -1 : 1; }); // list top topcommenters: var realcount = 0; for(var i = 0; i < maxTopCommenters && i < tuplear.length ; i++) { var item = tuplear[i][1]; if(item.count < minComments) break; document.write('<di'+'v class="top-commenter-line">'); document.write(replaceTopCmtVars(txtTopLine, item, realcount+1)); document.write('</d'+'iv>'); realcount++; } if(!realcount) document.write(txtNoTopCommenters); } document.write('<script type="text/javascript" src="http://'+window.location.hostname+'/feeds/comments/default?redirect=false&max-results=200&alt=json-in-script&callback=showTopCommenters"></'+'script>'); </script>

Salve e pronto! Está feito. Qualquer dúvida, comente!

Fonte: Yabtb.blogspot.com

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