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rails.js
107 lines (89 loc) · 3.47 KB
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rails.js
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document.on("dom:loaded", function() {
function handleRemote(element) {
var method, url, params;
var event = element.fire("ajax:before");
if (event.stopped) return false;
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';
url = element.readAttribute('href');
params = {};
}
new Ajax.Request(url, {
method: method,
parameters: params,
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");
}
function handleMethod(element) {
var method = element.readAttribute('data-method'),
url = element.readAttribute('href'),
csrf_param = $$('meta[name=csrf-param]')[0],
csrf_token = $$('meta[name=csrf-token]')[0];
var form = new Element('form', { method: "POST", action: url, style: "display: none;" });
element.parentNode.insert(form);
if (method !== 'post') {
var field = new Element('input', { type: 'hidden', name: '_method', value: method });
form.insert(field);
}
if (csrf_param) {
var param = csrf_param.readAttribute('content'),
token = csrf_token.readAttribute('content'),
field = new Element('input', { type: 'hidden', name: param, value: token });
form.insert(field);
}
form.submit();
}
document.on("click", "*[data-confirm]", function(event, element) {
var message = element.readAttribute('data-confirm');
if (!confirm(message)) event.stop();
});
document.on("click", "a[data-remote]", function(event, element) {
if (event.stopped) return;
handleRemote(element);
event.stop();
});
document.on("click", "a[data-method]", function(event, element) {
if (event.stopped) return;
handleMethod(element);
event.stop();
});
// TODO: Submit does not bubble in IE
document.on("submit", function(event) {
var element = event.findElement(),
message = element.readAttribute('data-confirm');
if (message && !confirm(message)) {
event.stop();
return false;
}
var inputs = 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]");
if (element) {
handleRemote(element);
event.stop();
}
});
document.on("ajax:after", "form", function(event, element) {
var inputs = element.select("input[type=submit][disabled=true][data-disable-with]");
inputs.each(function(input) {
input.value = input.readAttribute('data-original-value');
input.removeAttribute('data-original-value');
input.disabled = false;
});
});
});