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/*
TODO: Further optimize serialize function
UPDATE: We were forced to create an individual XHR for each request
to avoid race conditions on slower browsers where the request would
be overwritten before the callback triggered, and leave it hanging.
This only happened in FF3.0 that we tested.
Example usage 1:
ajax.handle = function () {
$('#preview' + postid).raw().innerHTML = ajax.response;
$('#editbox' + postid).ghide();
}
ajax.post("ajax.php?action=preview","#form-id" + postid);
Example usage 2:
ajax.handle = function() {
$('#quickpost').raw().value = "[quote="+username+"]" + ajax.response + "[/quote]";
}
ajax.get("?action=get_post&post=" + postid);
*/
"use strict";
var json = {
encode: function (object) {
try {
return JSON.stringify(object);
} catch (err) {
return '';
}
},
decode: function (string) {
if (window.JSON && JSON.parse) {
return JSON.parse(string);
} else {
return eval("(" + string + ")");
//return (new Function("return " + data))();
}
}
};
var ajax = {
get: function (url, callback) {
var req = (typeof(window.ActiveXObject) === 'undefined') ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
if (callback !== undefined) {
req.onreadystatechange = function () {
if (req.readyState !== 4 || req.status !== 200) {
return;
}
callback(req.responseText);
};
}
req.open("GET", url, true);
req.send(null);
},
post: function (url, data, callback) {
var req = isset(window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
var params = ajax.serialize(data);
if (callback !== undefined) {
req.onreadystatechange = function () {
if (req.readyState !== 4 || req.status !== 200) {
return;
}
callback(req.responseText);
};
}
req.open('POST', url, true);
req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
req.send(params);
},
serialize: function (data) {
var query = '',
elements;
if (is_array(data)) {
for (var key in data) {
query += key + '=' + encodeURIComponent(data[key]) + '&';
}
} else {
elements = document.getElementById(data).elements;
for (var i = 0, il = elements.length; i < il; i++) {
var element = elements[i];
if (!isset(element) || element.disabled || element.name === '') {
continue;
}
switch (element.type) {
case 'text':
case 'hidden':
case 'password':
case 'textarea':
case 'select-one':
query += element.name + '=' + encodeURIComponent(element.value) + '&';
break;
case 'select-multiple':
for (var j = 0, jl = element.options.length; j < jl; j++) {
var current = element.options[j];
if (current.selected) {
query += element.name + '=' + encodeURIComponent(current.value) + '&';
}
}
break;
case 'radio':
if (element.checked) {
query += element.name + '=' + encodeURIComponent(element.value) + '&';
}
break;
case 'checkbox':
if (element.checked) {
query += element.name + '=' + encodeURIComponent(element.value) + '&';
}
break;
}
}
}
return query.substr(0, query.length - 1);
}
};
//Bookmarks
function Bookmark(type, id, newName) {
var bmLinks = $('#bookmarklink_' + type + '_' + id + ', .bookmarklink_' + type + '_' + id);
var oldName = bmLinks.html();
ajax.get("bookmarks.php?action=add&type=" + type + "&auth=" + authkey + "&id=" + id, function() {
bmLinks.parent('.remove_bookmark, .add_bookmark').toggleClass('add_bookmark remove_bookmark');
bmLinks.html(newName).attr('title', 'Remove bookmark').removeAttr('onclick').off('click').click(function() {
Unbookmark(type, id, oldName);
return false;
});
});
}
function Unbookmark(type, id, newName) {
if (window.location.pathname.indexOf('bookmarks.php') != -1) {
ajax.get("bookmarks.php?action=remove&type=" + type + "&auth=" + authkey + "&id=" + id, function() {
$('#group_' + id).remove();
$('.groupid_' + id).remove();
$('.bookmark_' + id).remove();
});
} else {
var bmLinks = $('#bookmarklink_' + type + '_' + id + ', .bookmarklink_' + type + '_' + id);
var oldName = bmLinks.html();
ajax.get("bookmarks.php?action=remove&type=" + type + "&auth=" + authkey + "&id=" + id, function() {
bmLinks.parent('.remove_bookmark, .add_bookmark').toggleClass('add_bookmark remove_bookmark');
bmLinks.html(newName).attr('title', 'Add bookmark').removeAttr('onclick').off('click').click(function() {
Bookmark(type, id, oldName);
return false;
});
});
}
}
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