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Removed ajax.js

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* This script was a self-rolled Ajax library for use in PICKLES.

 * It is being replaced by a simpler / more powerful jQuery rolled solution.
This commit is contained in:
Josh Sherman 2010-03-12 23:01:29 -05:00
parent 744040bf46
commit a6ccb2c23e
1 changed files with 0 additions and 222 deletions
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222
js/ajax.js
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@ -1,222 +0,0 @@
// @todo Document this file better, it's a mess.
var request = null;
function getForm(form) {
var params = 'ajax=true';
var count = form.elements.length;
for (var i = 0; i < count; i++) {
element = form.elements[i];
switch (element.type) {
case 'hidden':
case 'password':
case 'text':
case 'textarea':
// Checks if the field is visible
// if (element.name == 'referred_by') {
// alert(element.name);
// alert(element.style.display);
// }
if (element.style.display != 'none') {
// Checks if it's required
if (element.title == 'required' && trim(element.value) == '') {
alert('Error: The ' + element.name.replace('_', ' ') + ' field is required.');
element.focus();
return false;
}
// If the field is named email, check it's validity
else if (element.name == 'email') {
if (element.value.match(/^[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,4}$/i) == null) {
alert('Error: The email address entered is not valid.');
element.focus();
return false;
}
}
params += '&' + element.name + '=' + encodeURI(element.value);
}
break;
case 'checkbox':
case 'radio':
if (element.checked) {
params += '&' + element.name + '=' + encodeURI(element.value);
}
break;
case 'select-one':
params += '&' + element.name + '=' + element.options[element.selectedIndex].value;
break;
case 'select-multiple':
var option_count = element.options.length;
for (var j = 0; j < option_count; j++) {
if (element.options[j].selected == true) {
params += '&' + element.name + '[]=' + element.options[j].value;
}
}
break;
default:
//alert(element.type);
break;
}
}
return params;
}
function createRequest() {
try {
request = new XMLHttpRequest();
} catch (trymicrosoft) {
try {
request = new ActiveXObject("Msxml12.XMLHTTP");
} catch (othermicrosoft) {
try {
request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (failed) {
request = null;
}
}
}
if (request == null) {
alert("Error creating request object!");
}
}
function ajaxRequest(htmlElement, customHandler, placement, url) {
var params = '';
var return_status = '';
var customHandler = (customHandler == null) ? null : customHandler;
var placement = (placement == null) ? 'before' : placement;
var url = (url == null) ? null : url;
var return_json = false;
// If .value is undefined, assumes it's a FORM element
if (typeof htmlElement.value == 'undefined') {
if (typeof htmlElement == 'string') {
method = 'POST';
action = htmlElement;
return_json = true;
}
else {
params = getForm(htmlElement);
method = htmlElement.method;
action = htmlElement.action;
var formElement = htmlElement;
}
}
else {
if (htmlElement.id != '') {
var variable = htmlElement.id;
}
else if (htmlElement.name != '') {
var variable = htmlElement.name;
}
else {
var variable = 'id';
}
params = variable + '=' + htmlElement.value;
method = 'POST';
action = url;
// Loops up through the parents until it reaches the form element
while (htmlElement.nodeName != 'FORM') {
htmlElement = htmlElement.parentNode;
}
var formElement = htmlElement;
}
// @todo need to decide on a way to request a page w/o any params.
// if (true) {
if (params) {
createRequest();
request.open(method, action, true);
request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
request.setRequestHeader("Content-length", params.length);
request.setRequestHeader("Connection", "close");
request.onreadystatechange = function() {
if (request.readyState == 4 && request.status == 200) {
var responseElement = document.createElement('div');
responseElement.id = 'ajaxResponse';
if (request.responseText.substring(0, 1) == '{' && request.responseText.substring(request.responseText.length - 1) == '}') {
var responseObject = eval( "(" + request.responseText + ")" );
if (document.getElementById(responseElement.id) != null) {
//formElement.removeChild(document.getElementById(responseElement.id));
// @todo
document.getElementById('ajaxResponse').parentNode.removeChild(document.getElementById('ajaxResponse'));
}
if (customHandler) {
responseElement = window[customHandler](responseObject, responseElement);
}
else {
if (placement == 'inside') {
if (responseObject.type == 'error') {
htmlElement.style.backgroundColor = '#C88';
htmlElement.style.borderColor = '#600';
htmlElement.style.color = '#600';
htmlElement.style.fontWeight = 'bold';
htmlElement.value = responseObject.message;
}
}
else {
var responseMessage = document.createTextNode(responseObject.message);
responseElement.className = responseObject.type;
responseElement.appendChild(responseMessage);
}
}
}
else {
responseElement.innerHTML = request.responseText;
}
if (document.getElementById(responseElement.id) != null) {
formElement.removeChild(document.getElementById(responseElement.id));
}
if (responseElement != false) {
formElement.insertBefore(responseElement, (placement == 'before') ? formElement.firstChild : formElement.lastChild);
}
if (typeof responseObject.type != 'undefined') {
if (responseObject.type == 'success' && placement == 'inside') {
formElement.submit();
}
}
}
}
request.send(params);
}
// @todo need to remember why this is here.
else if (customHandler) {
responseElement = window[customHandler]();
return false;
}
}
function trim(str) {
str = str.replace(/^\s+/, '');
for (var i = str.length - 1; i >= 0; i--) {
if (/\S/.test(str.charAt(i))) {
str = str.substr(0, i + 1);
break;
}
}
return str;
}