dfx-jekyll-mdl/js/site.js
2015-07-19 11:56:00 -06:00

49 lines
1.5 KiB
JavaScript

var _this = document.getElementById("js-load-more");
_this.onclick = loadMorePosts;
var HttpClient = function() {
'use strict';
this.get = function(Url, Callback) {
var HttpRequest = new XMLHttpRequest();
HttpRequest.onreadystatechange = function() {
if (HttpRequest.readyState == 4 && HttpRequest.status == 200)
Callback(HttpRequest.responseText);
};
HttpRequest.open("GET", Url, true);
HttpRequest.send(null);
};
};
Element.prototype.remove = function() {
this.parentElement.removeChild(this);
};
NodeList.prototype.remove = HTMLCollection.prototype.remove = function() {
for (var i = this.length - 1; i >= 0; i--) {
if (this[i] && this[i].parentElement) {
this[i].parentElement.removeChild(this[i]);
}
}
};
function loadMorePosts() {
var blogContainer = document.getElementById("js-post-container");
var nextPage = parseInt(blogContainer.dataset.page) + 1;
_this.className += " loading";
Client = new HttpClient();
Client.get('/page' + nextPage, function(data) {
parser = new DOMParser();
var htmlData = parser.parseFromString(data, "text/html");
var articles = htmlData.getElementsByTagName("article");
blogContainer.parentNode.insertBefore(articles[0], blogContainer.nextSibling);
if (blogContainer.dataset.totalPages == nextPage) {
document.getElementById("js-load-more").remove();
}
_this.className = "";
});
}