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Update JQuery UJS
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@spastorino
spastorino committed Dec 26, 2010
1 parent e9a0432 commit 57f5fe1
Showing 1 changed file with 48 additions and 26 deletions.
74 changes: 48 additions & 26 deletions railties/lib/rails/generators/rails/app/templates/public/javascripts/jquery_ujs.js
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@@ -1,3 +1,12 @@
/*
* jquery-ujs
*
* http://github.com/rails/jquery-ujs/blob/master/src/rails.js
*
* This rails.js file supports jQuery 1.4.3 and 1.4.4 .
*
*/

jQuery(function ($) {
var csrf_token = $('meta[name=csrf-token]').attr('content'),
csrf_param = $('meta[name=csrf-param]').attr('content');
Expand All @@ -7,9 +16,6 @@ jQuery(function ($) {
* Triggers a custom event on an element and returns the event result
* this is used to get around not being able to ensure callbacks are placed
* at the end of the chain.
*
* TODO: deprecate with jQuery 1.4.2 release, in favor of subscribing to our
* own events and placing ourselves at the end of the chain.
*/
triggerAndReturn: function (name, data) {
var event = new $.Event(name);
Expand All @@ -19,26 +25,33 @@ jQuery(function ($) {
},

/**
* Handles execution of remote calls firing overridable events along the way
* Handles execution of remote calls. Provides following callbacks:
*
* - ajax:beforeSend - is executed before firing ajax call
* - ajax:success - is executed when status is success
* - ajax:complete - is executed when the request finishes, whether in failure or success
* - ajax:error - is execute in case of error
*/
callRemote: function () {
var el = this,
method = el.attr('method') || el.attr('data-method') || 'GET',
url = el.attr('action') || el.attr('href'),
dataType = el.attr('data-type') || 'script';
dataType = el.attr('data-type') || ($.ajaxSettings && $.ajaxSettings.dataType);

if (url === undefined) {
throw "No URL specified for remote call (action or href must be present).";
throw "No URL specified for remote call (action or href must be present).";
} else {
if (el.triggerAndReturn('ajax:before')) {
var data = el.is('form') ? el.serializeArray() : [];
var $this = $(this), data = el.is('form') ? el.serializeArray() : [];

$.ajax({
url: url,
data: data,
dataType: dataType,
type: method.toUpperCase(),
beforeSend: function (xhr) {
el.trigger('ajax:loading', xhr);
if ($this.triggerHandler('ajax:beforeSend') === false) {
return false;
}
},
success: function (data, status, xhr) {
el.trigger('ajax:success', [data, status, xhr]);
Expand All @@ -47,20 +60,17 @@ jQuery(function ($) {
el.trigger('ajax:complete', xhr);
},
error: function (xhr, status, error) {
el.trigger('ajax:failure', [xhr, status, error]);
el.trigger('ajax:error', [xhr, status, error]);
}
});
}

el.trigger('ajax:after');
}
}
});

/**
* confirmation handler
* confirmation handler
*/
$('a[data-confirm],input[data-confirm]').live('click', function () {
$('body').delegate('a[data-confirm], button[data-confirm], input[data-confirm]', 'click.rails', function () {
var el = $(this);
if (el.triggerAndReturn('confirm')) {
if (!confirm(el.attr('data-confirm'))) {
Expand All @@ -70,28 +80,34 @@ jQuery(function ($) {
});



/**
* remote handlers
*/
$('form[data-remote]').live('submit', function (e) {
$('form[data-remote]').live('submit.rails', function (e) {
$(this).callRemote();
e.preventDefault();
});

$('a[data-remote],input[data-remote]').live('click', function (e) {
$('a[data-remote],input[data-remote]').live('click.rails', function (e) {
$(this).callRemote();
e.preventDefault();
});

$('a[data-method]:not([data-remote])').live('click', function (e){
/**
* <%= link_to "Delete", user_path(@user), :method => :delete, :confirm => "Are you sure?" %>
*
* <a href="/users/5" data-confirm="Are you sure?" data-method="delete" rel="nofollow">Delete</a>
*/
$('a[data-method]:not([data-remote])').live('click.rails', function (e){
var link = $(this),
href = link.attr('href'),
method = link.attr('data-method'),
form = $('<form method="post" action="'+href+'"></form>'),
metadata_input = '<input name="_method" value="'+method+'" type="hidden" />';

if (csrf_param != null && csrf_token != null) {
metadata_input += '<input name="'+csrf_param+'" value="'+csrf_token+'" type="hidden" />';
if (csrf_param !== undefined && csrf_token !== undefined) {
metadata_input += '<input name="'+csrf_param+'" value="'+csrf_token+'" type="hidden" />';
}

form.hide()
Expand All @@ -105,9 +121,9 @@ jQuery(function ($) {
/**
* disable-with handlers
*/
var disable_with_input_selector = 'input[data-disable-with]';
var disable_with_form_remote_selector = 'form[data-remote]:has(' + disable_with_input_selector + ')';
var disable_with_form_not_remote_selector = 'form:not([data-remote]):has(' + disable_with_input_selector + ')';
var disable_with_input_selector = 'input[data-disable-with]',
disable_with_form_remote_selector = 'form[data-remote]:has(' + disable_with_input_selector + ')',
disable_with_form_not_remote_selector = 'form:not([data-remote]):has(' + disable_with_input_selector + ')';

var disable_with_input_function = function () {
$(this).find(disable_with_input_selector).each(function () {
Expand All @@ -118,15 +134,21 @@ jQuery(function ($) {
});
};

$(disable_with_form_remote_selector).live('ajax:before', disable_with_input_function);
$(disable_with_form_not_remote_selector).live('submit', disable_with_input_function);
$(disable_with_form_remote_selector).live('ajax:before.rails', disable_with_input_function);
$(disable_with_form_not_remote_selector).live('submit.rails', disable_with_input_function);

$(disable_with_form_remote_selector).live('ajax:complete', function () {
$(disable_with_form_remote_selector).live('ajax:complete.rails', function () {
$(this).find(disable_with_input_selector).each(function () {
var input = $(this);
input.removeAttr('disabled')
.val(input.data('enable-with'));
});
});

var jqueryVersion = $().jquery;

if (!( (jqueryVersion === '1.4.3') || (jqueryVersion === '1.4.4'))){
alert('This rails.js does not support the jQuery version you are using. Please read documentation.');
}

});

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