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segunda-feira

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Gadget de Postagens Aleatórias Com Apenas Imagens

ACESSOS:
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Já havia mostrado aqui no DicasHot um gadget semelhante. Esse mostra apenas imagens, o outro que já havia mostrado mostra o título, n´mero de cometários, etc. Caso prefira o outro modelo, veja: 





Eu recomendo muito gadgets como esse em seu blog, por que assim as pessoas conseguem ver todas as postagens de seu blog, não é como o gadget de postagens populares, por que limita as visualizações de página a somente as mais vistas; gadgets como esse podem ajudar muito na visibilidade de todas as postagens aleatóriamente.

Para colocar e seu blog...

Entre em "Layout" - "Adicionar um Gadget" - "HTML/JavaScript" e cole o seguinte código:
<div id='aleatórioDicasHot'>
<script style='text/javascript'>var postTitleOriginal,myLink, myDiv, myImage,mySeparator;
var main;
var float_clear=false;
var flag = 0;
function bprecentpostswiththumbnails(json) {
for (var i = 0; i < numberOfPosts; i++) {
if (i == json.feed.entry.length) break;
var s;
var entry = json.feed.entry[i];
var postTitle = entry.title.$t;
postTitleOriginal = postTitle;
if (isNaN(titleLength) || titleLength == 0) {
postTitle = '';
}
else if (postTitle.length > titleLength) postTitle = postTitle.substring(0, titleLength) + "...";
var postUrl="";
for (var k = 0; k < entry.link.length; k++) {
if (entry.link[k].rel == 'replies' && entry.link[k].type == 'text/html') {
var commentText = entry.link[k].title;
var commentUrl = entry.link[k].href;
}
if (entry.link[k].rel == 'alternate') {
postUrl = entry.link[k].href;
break;
}
}
if (showThumbs == true) {
var thumbUrl = "";
try {
thumbUrl = entry.media$thumbnail.url;
thumbUrl = thumbUrl.replace("/s72-c/","/s"+imgDim+"-c/");
} catch (error) {
if ("content" in entry) s = entry.content.$t; else s="";
if (thumbUrl == "" && mediaThumbsOnly == false) {
regex = /http\:\/\/www\.youtube(-nocookie){0,1}\.com\/(v){0,1}(embed){0,1}\/(([^"&?' ]*))/;
videoIds = s.match(regex);
if (videoIds != null) {
videoId = videoIds[4];
}
if (videoIds != null && videoId != null) thumbUrl = "http://img.youtube.com/vi/" + videoId + "/2.jpg"
}
if (thumbUrl == "" && mediaThumbsOnly == false) {
a = s.indexOf("<img");
b = s.indexOf("src=\"", a);
c = s.indexOf("\"", b + 12);
d = s.substr(b + 12, c - b - 12);
if ((a != -1) && (b != -1) && (c != -1) && (d != "")) thumbUrl = d;
}
}
if(thumbUrl.indexOf("static.flickr.com")!=-1) {thumbUrl= thumbUrl.replace("_b_t.jpg","_s.jpg");thumbUrl= thumbUrl.replace("_m_t.jpg","_s.jpg");thumbUrl= thumbUrl.replace("_s_t.jpg","_s.jpg");
thumbUrl= thumbUrl.replace("_b.jpg","_s.jpg");thumbUrl= thumbUrl.replace("_m.jpg","_s.jpg");}
if (thumbUrl == "" && showNoImage == true)
{
thumbUrl = "http://2.bp.blogspot.com/-erTXCq61ULM/TmHYAQBZ0GI/AAAAAAAACCs/6cBX54Dn6Gs/s72-c/default.png";
try{if(defaultImage!="") thumbUrl=defaultImage;}catch(error){}
thumbUrl = thumbUrl.replace("/s72-c/","/s"+imgDim+"-c/");
}
}
if (showPostDate == true) {
var postdate = entry.published.$t;
var cdyear = postdate.substring(0, 4);
var cdmonth = postdate.substring(12, 7);
var cdday = postdate.substring(8, 10);
var monthnames = new Array();
monthnames[1] = "Jan";
monthnames[2] = "Feb";
monthnames[3] = "Mar";
monthnames[4] = "Apr";
monthnames[5] = "May";
monthnames[6] = "Jun";
monthnames[7] = "Jul";
monthnames[8] = "Aug";
monthnames[9] = "Sep";
monthnames[10] = "Oct";
monthnames[11] = "Nov";
monthnames[12] = "Dec";
}
code = "";
main = document.getElementById('aleatórioDicasHot');
myDiv = document.createElement('div');
myDiv.setAttribute("class", "bp_item_title");
myLink = createLink(postUrl,"_top",postTitleOriginal)
if(main.innerHTML!=""){
mySeparator = createDiv("aleatórioDicasHot_separator");
main.appendChild(mySeparator)
}
if(postTitle != ''){myDiv.appendChild(myLink);}
main.appendChild(myDiv);if(postTitle != '')myLink.innerHTML = postTitle;
if (showThumbs == true && thumbUrl != "") {
myImage = document.createElement('img');
myImage.setAttribute("src", thumbUrl);
if(imgFloat!="none")
{
float_clear=true;
myImage.style.cssFloat=imgFloat;
myImage.style.styleFloat=imgFloat;
}
try{if(myMargin!=0)myImage.style.margin = myMargin+"px";} catch(error){}
myImage.setAttribute("alt", postTitleOriginal);
myImage.setAttribute("width", imgDim);
myImage.setAttribute("height", imgDim);
myLink = document.createElement('a');
myLink.setAttribute("href", postUrl+"?utm_source=aleatórioDicasHot&utm-medium=gadget&utm_campaign=aleatórioDicasHot");
myLink.setAttribute("target", "_top");
myLink.setAttribute("title", postTitleOriginal);
myLink.appendChild(myImage);
myDiv = document.createElement('div');
myDiv.setAttribute("class", "bp_item_thumb");
myDiv.appendChild(myLink);
main.appendChild(myDiv);
}
try {
if ("content" in entry) {
var postContent = entry.content.$t;
}
else if ("summary" in entry) {
var postContent = entry.summary.$t;
}
else var postContent = "";
var re = /<\S[^>]*>/g;
postContent = postContent.replace(re, "");
if (showSummary == true) {
myDiv = createDiv("bp_item_summary");
if (postContent.length < summaryLength) {myDiv.appendChild(document.createTextNode(postContent));}
else {
postContent = postContent.substring(0, summaryLength);
var quoteEnd = postContent.lastIndexOf(" ");
postContent = postContent.substring(0, quoteEnd);
myDiv.appendChild(document.createTextNode(postContent + '...'));
}
main.appendChild(myDiv);
}
} //end try
catch (error) {}
myDiv = createDiv("bp_item_meta");
myDiv.style.clear="both";
myDiv.style.marginBottom="4px";
if (showPostDate == true) {
myDiv.appendChild(document.createTextNode(monthnames[parseInt(cdmonth, 10)] + '-' + cdday + '-' + cdyear));
flag = 1;
}
if (showCommentCount == true) {
if (flag == 1) {
myDiv.appendChild(document.createTextNode(" | "));
}
if (commentText == '1 Comments') commentText = '1 Comment';
if (commentText == '0 Comments') commentText = 'No Comments';
var myLink = createLink(commentUrl,"_top",commentText + " on " + postTitleOriginal)
myDiv.appendChild(myLink);
myLink.innerHTML=commentText;
flag = 1;;
}
if (showReadMore == true) {
if (flag == 1) {
myDiv.appendChild(document.createTextNode(" | "));
}
var myLink = createLink(postUrl,"_top",postTitleOriginal)
myDiv.appendChild(myLink);
myLink.innerHTML = readMore+" &raquo;";
flag = 1;;
}
if (flag == 1) main.appendChild(myDiv);
}
if(float_clear==true && imgFloat!="none")
{
myDiv = createDiv("bp_clear_float");
myDiv.style.clear=imgFloat;
main.appendChild(myDiv);
}
document.getElementById("aleatórioDicasHot_link").style.backgroundImage="url('http://3.bp.blogspot.com/-H8WPIh3wjr4/TmHnuo9tnnI/AAAAAAAACDE/_yuVqfb1HAk/blogger-widgets.png')";
document.getElementById("aleatórioDicasHot_link").style.backgroundRepeat="no-repeat";
try{
if(myMargin!=0 && imgFloat=="left" && flag==0) document.getElementById("aleatórioDicasHot_link").style.marginLeft = myMargin+"px";
} catch(error){}
}
function createDiv(className)
{
var myDiv = document.createElement('div');
myDiv.setAttribute("class", className);
return myDiv;
}
function createLink(href,target,title)
{
var myLink = document.createElement('a');
if(href.substring(href.length-13,href.length)=="#comment-form") {href= href.substring(0,href.length-13)+"?utm_source=aleatórioDicasHot&utm-medium=gadget&utm_campaign=aleatórioDicasHot"+"#comment-form";myLink.setAttribute("href", href);}
else myLink.setAttribute("href", href+"?utm_source=aleatórioDicasHot&utm-medium=gadget&utm_campaign=aleatórioDicasHot");
myLink.setAttribute("target", target);
myLink.setAttribute("title", title);
return myLink;
}
var numberOfPosts = 12;
var showPostDate = false;
var showSummary = false;
var titleLength = 0;
var showCommentCount = false;
var showThumbs = true;
var showNoImage = true;
var imgDim = 77;
var imgFloat = 'left';
var myMargin = 5;
var mediaThumbsOnly = true;
var showReadMore = false;
hoje = new Date()
var numposts = (12 +(2*(hoje.getSeconds())))
document.write("<script src=\"http://dicashot.blogspot.com.br/feeds/posts/default?start-index="+numposts+"&max-results=12&orderby=published&alt=json-in-script&callback=bprecentpostswiththumbnails\"><\/script>");
</script></div>
<div style="text-align: right;">
<span style="color: #eeeeee; font-size: xx-small;">Widget by <a href="http://dicashot.blogspot.com.br/2014/05/gadget-de-postagens-aleatorias-com.html" target="_blank"><span style="color: #eeeeee;">DicasHot</span></a></span></div>
Na parte destacada de azul, substitua pelo nome do seu blog. O número 12, destacado de vermelho corresponde ao número de imagens que vai aparecer.

Tendo feito isto, salve.

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