document.observe("dom:loaded", function() {
var authToken = $$('meta[name=csrf-token]').first().readAttribute('content'),
authParam = $$('meta[name=csrf-param]').first().readAttribute('content'),
formTemplate = '<form method="#{method}" action="#{action}">\
#{realmethod}<input name="#{param}" value="#{token}" type="hidden">\
</form>',
realmethodTemplate = '<input name="_method" value="#{method}" type="hidden">';
function handleRemote(element) {
var method, url, params;
if (element.tagName.toLowerCase() == 'form') {
method = element.readAttribute('method') || 'post';
url = element.readAttribute('action');
params = element.serialize(true);
} else {
method = element.readAttribute('data-method') || 'get';
// TODO: data-url support is going away, just use href
url = element.readAttribute('data-url') || element.readAttribute('href');
params = {};
}
var event = element.fire("ajax:before");
if (event.stopped) return false;
new Ajax.Request(url, {
method: method,
parameters: params,
asynchronous: true,
evalScripts: true,
onLoading: function(request) { element.fire("ajax:loading", {request: request}); },
onLoaded: function(request) { element.fire("ajax:loaded", {request: request}); },
onInteractive: function(request) { element.fire("ajax:interactive", {request: request}); },
onComplete: function(request) { element.fire("ajax:complete", {request: request}); },
onSuccess: function(request) { element.fire("ajax:success", {request: request}); },
onFailure: function(request) { element.fire("ajax:failure", {request: request}); }
});
element.fire("ajax:after");
}
$(document.body).observe("click", function(event) {
var message = event.element().readAttribute('data-confirm');
if (message && !confirm(message)) {
event.stop();
return false;
}
var element = event.findElement("a[data-remote=true]");
if (element) {
handleRemote(element);
event.stop();
}
var element = event.findElement("a[data-method]");
if (element && element.readAttribute('data-remote') != 'true') {
var method = element.readAttribute('data-method'),
piggyback = method.toLowerCase() != 'post',
formHTML = formTemplate.interpolate({
method: 'POST',
realmethod: piggyback ? realmethodTemplate.interpolate({ method: method }) : '',
action: element.readAttribute('href'),
token: authToken,
param: authParam
});
var form = new Element('div').update(formHTML).down().hide();
this.insert({ bottom: form });
form.submit();
event.stop();
}
});
// TODO: I don't think submit bubbles in IE
$(document.body).observe("submit", function(event) {
var message = event.element().readAttribute('data-confirm');
if (message && !confirm(message)) {
event.stop();
return false;
}
var inputs = event.element().select("input[type=submit][data-disable-with]");
inputs.each(function(input) {
input.disabled = true;
input.writeAttribute('data-original-value', input.value);
input.value = input.readAttribute('data-disable-with');
});
var element = event.findElement("form[data-remote=true]");
if (element) {
handleRemote(element);
event.stop();
}
});
$(document.body).observe("ajax:complete", function(event) {
var element = event.element();
if (element.tagName.toLowerCase() == 'form') {
var inputs = element.select("input[type=submit][disabled=true][data-disable-with]");
inputs.each(function(input) {
input.value = input.readAttribute('data-original-value');
input.writeAttribute('data-original-value', null);
input.disabled = false;
});
}
});
});
