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jQuery is no longer vendored

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Xavier Noria 2011-05-01 23:30:04 +02:00
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2
railties/CHANGELOG
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*Rails 3.1.0 (unreleased)*
* jQuery is no longer vendored, it is provided from now on by the jquery-rails gem. [fxn]
* Application generation no longer supports the -j option. [fxn]
* Prototype and Scriptaculous are no longer vendored, they are provided from now on

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railties/lib/rails/generators/rails/app/templates/vendor/assets/javascripts/jquery.js vendored
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railties/lib/rails/generators/rails/app/templates/vendor/assets/javascripts/jquery_ujs.js vendored
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/**
* Unobtrusive scripting adapter for jQuery
*
* Requires jQuery 1.4.3 or later.
* https://github.com/rails/jquery-ujs
* Uploading file using rails.js
* =============================
*
* By default, browsers do not allow files to be uploaded via AJAX. As a result, if there are any non-blank file fields
* in the remote form, this adapter aborts the AJAX submission and allows the form to submit through standard means.
*
* The `ajax:aborted:file` event allows you to bind your own handler to process the form submission however you wish.
*
* Ex:
* $('form').live('ajax:aborted:file', function(event, elements){
* // Implement own remote file-transfer handler here for non-blank file inputs passed in `elements`.
* // Returning false in this handler tells rails.js to disallow standard form submission
* return false;
* });
*
* The `ajax:aborted:file` event is fired when a file-type input is detected with a non-blank value.
*
* Third-party tools can use this hook to detect when an AJAX file upload is attempted, and then use
* techniques like the iframe method to upload the file instead.
*
* Required fields in rails.js
* ===========================
*
* If any blank required inputs (required="required") are detected in the remote form, the whole form submission
* is canceled. Note that this is unlike file inputs, which still allow standard (non-AJAX) form submission.
*
* The `ajax:aborted:required` event allows you to bind your own handler to inform the user of blank required inputs.
*
* !! Note that Opera does not fire the form's submit event if there are blank required inputs, so this event may never
* get fired in Opera. This event is what causes other browsers to exhibit the same submit-aborting behavior.
*
* Ex:
* $('form').live('ajax:aborted:required', function(event, elements){
* // Returning false in this handler tells rails.js to submit the form anyway.
* // The blank required inputs are passed to this function in `elements`.
* return ! confirm("Would you like to submit the form with missing info?");
* });
*/
(function($) {
// Shorthand to make it a little easier to call public rails functions from within rails.js
var rails;
$.rails = rails = {
// Link elements bound by jquery-ujs
linkClickSelector: 'a[data-confirm], a[data-method], a[data-remote]',
// Form elements bound by jquery-ujs
formSubmitSelector: 'form',
// Form input elements bound by jquery-ujs
formInputClickSelector: 'form input[type=submit], form input[type=image], form button[type=submit], form button:not([type])',
// Form input elements disabled during form submission
disableSelector: 'input[data-disable-with], button[data-disable-with], textarea[data-disable-with]',
// Form input elements re-enabled after form submission
enableSelector: 'input[data-disable-with]:disabled, button[data-disable-with]:disabled, textarea[data-disable-with]:disabled',
// Form required input elements
requiredInputSelector: 'input[name][required],textarea[name][required]',
// Form file input elements
fileInputSelector: 'input:file',
// Make sure that every Ajax request sends the CSRF token
CSRFProtection: function(xhr) {
var token = $('meta[name="csrf-token"]').attr('content');
if (token) xhr.setRequestHeader('X-CSRF-Token', token);
},
// Triggers an event on an element and returns false if the event result is false
fire: function(obj, name, data) {
var event = $.Event(name);
obj.trigger(event, data);
return event.result !== false;
},
// Submits "remote" forms and links with ajax
handleRemote: function(element) {
var method, url, data,
dataType = element.data('type') || ($.ajaxSettings && $.ajaxSettings.dataType);
if (rails.fire(element, 'ajax:before')) {
if (element.is('form')) {
method = element.attr('method');
url = element.attr('action');
data = element.serializeArray();
// memoized value from clicked submit button
var button = element.data('ujs:submit-button');
if (button) {
data.push(button);
element.data('ujs:submit-button', null);
}
} else {
method = element.data('method');
url = element.attr('href');
data = null;
}
$.ajax({
url: url, type: method || 'GET', data: data, dataType: dataType,
// stopping the "ajax:beforeSend" event will cancel the ajax request
beforeSend: function(xhr, settings) {
if (settings.dataType === undefined) {
xhr.setRequestHeader('accept', '*/*;q=0.5, ' + settings.accepts.script);
}
return rails.fire(element, 'ajax:beforeSend', [xhr, settings]);
},
success: function(data, status, xhr) {
element.trigger('ajax:success', [data, status, xhr]);
},
complete: function(xhr, status) {
element.trigger('ajax:complete', [xhr, status]);
},
error: function(xhr, status, error) {
element.trigger('ajax:error', [xhr, status, error]);
}
});
}
},
// Handles "data-method" on links such as:
// <a href="/users/5" data-method="delete" rel="nofollow" data-confirm="Are you sure?">Delete</a>
handleMethod: function(link) {
var href = link.attr('href'),
method = link.data('method'),
csrf_token = $('meta[name=csrf-token]').attr('content'),
csrf_param = $('meta[name=csrf-param]').attr('content'),
form = $('<form method="post" action="' + href + '"></form>'),
metadata_input = '<input name="_method" value="' + method + '" type="hidden" />';
if (csrf_param !== undefined && csrf_token !== undefined) {
metadata_input += '<input name="' + csrf_param + '" value="' + csrf_token + '" type="hidden" />';
}
form.hide().append(metadata_input).appendTo('body');
form.submit();
},
/* Disables form elements:
- Caches element value in 'ujs:enable-with' data store
- Replaces element text with value of 'data-disable-with' attribute
- Adds disabled=disabled attribute
*/
disableFormElements: function(form) {
form.find(rails.disableSelector).each(function() {
var element = $(this), method = element.is('button') ? 'html' : 'val';
element.data('ujs:enable-with', element[method]());
element[method](element.data('disable-with'));
element.attr('disabled', 'disabled');
});
},
/* Re-enables disabled form elements:
- Replaces element text with cached value from 'ujs:enable-with' data store (created in `disableFormElements`)
- Removes disabled attribute
*/
enableFormElements: function(form) {
form.find(rails.enableSelector).each(function() {
var element = $(this), method = element.is('button') ? 'html' : 'val';
if (element.data('ujs:enable-with')) element[method](element.data('ujs:enable-with'));
element.removeAttr('disabled');
});
},
// If message provided in 'data-confirm' attribute, fires `confirm` event and returns result of confirm dialog.
// Attaching a handler to the element's `confirm` event that returns false cancels the confirm dialog.
allowAction: function(element) {
var message = element.data('confirm');
return !message || (rails.fire(element, 'confirm') && confirm(message));
},
// Helper function which checks for blank inputs in a form that match the specified CSS selector
blankInputs: function(form, specifiedSelector, nonBlank) {
var inputs = $(), input,
selector = specifiedSelector || 'input,textarea';
form.find(selector).each(function() {
input = $(this);
// Collect non-blank inputs if nonBlank option is true, otherwise, collect blank inputs
if (nonBlank ? input.val() : !input.val()) {
inputs = inputs.add(input);
}
});
return inputs.length ? inputs : false;
},
// Helper function which checks for non-blank inputs in a form that match the specified CSS selector
nonBlankInputs: function(form, specifiedSelector) {
return rails.blankInputs(form, specifiedSelector, true); // true specifies nonBlank
},
// Helper function, needed to provide consistent behavior in IE
stopEverything: function(e) {
e.stopImmediatePropagation();
return false;
},
// find all the submit events directly bound to the form and
// manually invoke them. If anyone returns false then stop the loop
callFormSubmitBindings: function(form) {
var events = form.data('events'), continuePropagation = true;
if (events !== undefined && events['submit'] !== undefined) {
$.each(events['submit'], function(i, obj){
if (typeof obj.handler === 'function') return continuePropagation = obj.handler(obj.data);
});
}
return continuePropagation;
}
};
// ajaxPrefilter is a jQuery 1.5 feature
if ('ajaxPrefilter' in $) {
$.ajaxPrefilter(function(options, originalOptions, xhr){ rails.CSRFProtection(xhr); });
} else {
$(document).ajaxSend(function(e, xhr){ rails.CSRFProtection(xhr); });
}
$(rails.linkClickSelector).live('click.rails', function(e) {
var link = $(this);
if (!rails.allowAction(link)) return rails.stopEverything(e);
if (link.data('remote') !== undefined) {
rails.handleRemote(link);
return false;
} else if (link.data('method')) {
rails.handleMethod(link);
return false;
}
});
$(rails.formSubmitSelector).live('submit.rails', function(e) {
var form = $(this),
remote = form.data('remote') !== undefined,
blankRequiredInputs = rails.blankInputs(form, rails.requiredInputSelector),
nonBlankFileInputs = rails.nonBlankInputs(form, rails.fileInputSelector);
if (!rails.allowAction(form)) return rails.stopEverything(e);
// skip other logic when required values are missing or file upload is present
if (blankRequiredInputs && rails.fire(form, 'ajax:aborted:required', [blankRequiredInputs])) {
return !remote;
}
if (remote) {
if (nonBlankFileInputs) {
return rails.fire(form, 'ajax:aborted:file', [nonBlankFileInputs]);
}
// If browser does not support submit bubbling, then this live-binding will be called before direct
// bindings. Therefore, we should directly call any direct bindings before remotely submitting form.
if (!$.support.submitBubbles && rails.callFormSubmitBindings(form) === false) return rails.stopEverything(e);
rails.handleRemote(form);
return false;
} else {
// slight timeout so that the submit button gets properly serialized
setTimeout(function(){ rails.disableFormElements(form); }, 13);
}
});
$(rails.formInputClickSelector).live('click.rails', function(event) {
var button = $(this);
if (!rails.allowAction(button)) return rails.stopEverything(event);
// register the pressed submit button
var name = button.attr('name'),
data = name ? {name:name, value:button.val()} : null;
button.closest('form').data('ujs:submit-button', data);
});
$(rails.formSubmitSelector).live('ajax:beforeSend.rails', function(event) {
if (this == event.target) rails.disableFormElements($(this));
});
$(rails.formSubmitSelector).live('ajax:complete.rails', function(event) {
if (this == event.target) rails.enableFormElements($(this));
});
})( jQuery );