Event.observe(document, 'dom:loaded', function() {
function handleRemote(e, el){
var data = null,
method = el.readAttribute('method') || el.readAttribute('data-method') || 'GET',
url = el.readAttribute('action') || el.readAttribute('data-url') || '#',
async = el.readAttribute('data-remote-type') === 'synchronous' ? false : true,
update = el.readAttribute('data-update-success'),
position = el.readAttribute('data-update-position');
if (el.readAttribute('data-submit')) {
var submit_el = $(el.readAttribute('data-submit'));
if(submit_el !== undefined && submit_el.tagName.toUpperCase() == 'FORM'){
data = submit_el.serialize();
}
} else if (el.readAttribute('data-with')) {
data = el.readAttribute('data-with');
} else if(el.tagName.toUpperCase() === 'FORM') {
data = el.serialize();
}
document.fire('rails:before');
new Ajax.Request(url, {
method: method,
asynchronous: async,
parameters: data,
evalJS: true,
evalJSON: true,
onComplete: function(xhr){
document.fire('rails:complete', {xhr: xhr, element: el, submitted_button: getEventProperty(e, 'submitted_button')});
},
onLoading: function(xhr){
document.fire('rails:after', {xhr: xhr, element: el});
document.fire('rails:loading', {xhr: xhr, element: el});
},
onLoaded: function(xhr){
document.fire('rails:loaded', {xhr: xhr, element: el});
},
onSuccess: function(xhr){
document.fire('rails:success', {xhr: xhr, element: el});
},
onFailure: function(xhr){
document.fire('rails:failure', {xhr: xhr, element: el});
}
});
}
function setEventProperty(e, property, value){
if(e.memo === undefined){
e.memo = {};
}
e.memo[property] = value;
}
function getEventProperty(e, property){
if(e.memo !== undefined && e.memo[property] !== undefined){
return e.memo[property];
}
}
function confirmed(e, el){
if(getEventProperty(e,'confirm_checked') !== true){
setEventProperty(e, 'confirm_checked', true);
el = Event.findElement(e, 'form') || el;
var confirm_msg = el.readAttribute('data-confirm');
if(confirm_msg !== null){
var result = el.fire('rails:confirm', {confirm_msg: confirm_msg});
if(result.memo.stop_event === true){
Event.stop(e);
return false;
}
}
}
return true;
}
function disable_button(el){
var disable_with = el.readAttribute('data-disable-with');
if(disable_with !== null){
el.writeAttribute('data-enable-with', el.readAttribute('value'));
el.writeAttribute('value', disable_with);
el.writeAttribute('disabled', true);
}
}
function enable_button(el){
var enable_with = el.readAttribute('data-enable-with');
if(enable_with !== null){
el.writeAttribute('value', enable_with);
}
el.writeAttribute('disabled', false);
}
function updateHTML(el, content, result){
var element_id = null;
if(result === 'success'){
element_id = el.readAttribute('data-update-success');
} else if(result === 'failure'){
element_id = el.readAttribute('data-update-failure');
}
var element_to_update = $(element_id);
if(element_to_update !== null){
var position = el.readAttribute('data-update-position');
if(position !== null){
var options = {};
options[position] = content;
element_to_update.insert(options);
} else {
element_to_update.update(content);
}
}
}
/**
*
* Event Listeners
*
*/
Event.observe(document, 'submit', function (e) {
var form = Event.findElement(e, 'form');
// Make sure conditions and confirm have not already run
if(form !== undefined && conditions_met(e, form) && confirmed(e, form)){
var button = form.down('input[data-submitted=true]');
button.writeAttribute('data-submitted', null);
setEventProperty(e, 'submitted_button', button);
disable_button(button);
if(form.readAttribute('data-remote') === 'true'){
Event.stop(e);
handleRemote(e, form);
}
}
});
Event.observe(document, 'click', function (e) {
var el = Event.findElement(e, 'a') || Event.findElement(e, 'input');
if(el !== undefined && el.tagName.toUpperCase() === 'INPUT' && el.readAttribute('type').toUpperCase() === 'SUBMIT'){
el.writeAttribute('data-submitted', 'true');
// Submit is handled by submit event, don't continue on this path
el = undefined;
} else if(el !== undefined && el.tagName.toUpperCase() === 'INPUT' && el.readAttribute('type').toUpperCase() !== 'BUTTON'){
// Make sure other inputs do not send this event
el = undefined;
}
if(el !== undefined && conditions_met(e, el) && confirmed(e, el)){
if(el.tagName.toUpperCase() === 'INPUT' && el.readAttribute('type').toUpperCase() === 'BUTTON'){
disable_button(el);
}
if(el.readAttribute('data-remote') === 'true'){
Event.stop(e);
handleRemote(e, el);
} else if(el.readAttribute('data-popup') !== null){
Event.stop(e);
console.log('firing rails:popup');
document.fire('rails:popup', {element: el});
}
}
});
/**
*
* Default Event Handlers
*
*/
Event.observe(document, 'rails:confirm', function(e){
setEventProperty(e, 'stop_event', !confirm(getEventProperty(e,'confirm_msg')));
});
Event.observe(document, 'rails:popup', function(e){
console.log('in rails:popup');
var el = getEventProperty(e, 'element');
var url = el.readAttribute('href') || el.readAttribute('data-url');
if(el.readAttribute('data-popup') === true){
window.open(url);
} else {
window.open(url, el.readAttribute('data-popup'));
}
});
Event.observe(document, 'rails:complete', function(e){
var el = getEventProperty(e, 'element');
if(el.tagName.toUpperCase() === 'FORM'){
var button = getEventProperty(e, 'submitted_button') ;
enable_button(button);
}
});
Event.observe(document, 'rails:success', function(e){
var el = getEventProperty(e, 'element'),
xhr = getEventProperty(e, 'xhr');
if(xhr.responseText !== null){
updateHTML(el, xhr.responseText, 'success');
}
});
Event.observe(document, 'rails:failure', function(e){
var el = getEventProperty(e, 'element'),
xhr = getEventProperty(e, 'xhr');
if(xhr.responseText !== null){
updateHTML(el, xhr.responseText, 'failure');
}
});
/**
*
* Rails 2.x Helpers / Event Handlers
*
*/
function evalAttribute(el, attribute){
var js = el.readAttribute('data-' + attribute);
if(js){
eval(js);
}
}
function conditions_met(e, el){
if(getEventProperty(e,'condition_checked') !== true){
setEventProperty(e, 'condition_checked', true);
el = Event.findElement(e, 'form') || el;
var conditions = el.readAttribute('data-condition');
if(conditions !== null){
if(eval(conditions) === false){
Event.stop(e);
return false;
}
}
}
return true;
}
Event.observe(document, 'rails:success', function(e){
evalAttribute('onsuccess');
});
Event.observe(document, 'rails:failure', function(e){
evalAttribute('onfailure');
});
Event.observe(document, 'rails:complete', function(e){
evalAttribute('oncomplete');
evalAttribute(this, 'on' + getEventProperty('xhr', xhr.status));
});
Event.observe(document, 'rails:loading', function(e){
evalAttribute('onloading');
});
Event.observe(document, 'rails:loaded', function(e){
evalAttribute('onloaded');
});
Event.observe(document, 'rails:before', function(e){
evalAttribute('onbefore');
});
Event.observe(document, 'rails:after', function(e){
evalAttribute('onafter');
});
});
