work on controllers/views started
This commit is contained in:
albert
@@ -1,110 +1,129 @@
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document.observe("dom:loaded", function() {
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var authToken = $$('meta[name=csrf-token]').first().readAttribute('content'),
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authParam = $$('meta[name=csrf-param]').first().readAttribute('content'),
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formTemplate = '<form method="#{method}" action="#{action}">\
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#{realmethod}<input name="#{param}" value="#{token}" type="hidden">\
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</form>',
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realmethodTemplate = '<input name="_method" value="#{method}" type="hidden">';
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// from http://github.com/rails/jquery-ujs/raw/master/src/rails.js
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function handleRemote(element) {
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var method, url, params;
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jQuery(function ($) {
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var csrf_token = $('meta[name=csrf-token]').attr('content'),
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csrf_param = $('meta[name=csrf-param]').attr('content');
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if (element.tagName.toLowerCase() == 'form') {
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method = element.readAttribute('method') || 'post';
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url = element.readAttribute('action');
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params = element.serialize(true);
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} else {
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method = element.readAttribute('data-method') || 'get';
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// TODO: data-url support is going away, just use href
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url = element.readAttribute('data-url') || element.readAttribute('href');
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params = {};
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}
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$.fn.extend({
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/**
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* Triggers a custom event on an element and returns the event result
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* this is used to get around not being able to ensure callbacks are placed
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* at the end of the chain.
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*
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* TODO: deprecate with jQuery 1.4.2 release, in favor of subscribing to our
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* own events and placing ourselves at the end of the chain.
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*/
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triggerAndReturn: function (name, data) {
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var event = new $.Event(name);
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this.trigger(event, data);
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var event = element.fire("ajax:before");
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if (event.stopped) return false;
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return event.result !== false;
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},
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new Ajax.Request(url, {
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method: method,
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parameters: params,
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asynchronous: true,
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evalScripts: true,
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/**
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* Handles execution of remote calls firing overridable events along the way
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*/
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callRemote: function () {
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var el = this,
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data = el.is('form') ? el.serializeArray() : [],
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method = el.attr('method') || el.attr('data-method') || 'GET',
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url = el.attr('action') || el.attr('href');
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onLoading: function(request) { element.fire("ajax:loading", {request: request}); },
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onLoaded: function(request) { element.fire("ajax:loaded", {request: request}); },
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onInteractive: function(request) { element.fire("ajax:interactive", {request: request}); },
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onComplete: function(request) { element.fire("ajax:complete", {request: request}); },
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onSuccess: function(request) { element.fire("ajax:success", {request: request}); },
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onFailure: function(request) { element.fire("ajax:failure", {request: request}); }
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if (url === undefined) {
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throw "No URL specified for remote call (action or href must be present).";
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} else {
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if (el.triggerAndReturn('ajax:before')) {
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$.ajax({
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url: url,
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data: data,
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dataType: 'script',
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type: method.toUpperCase(),
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beforeSend: function (xhr) {
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el.trigger('ajax:loading', xhr);
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},
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success: function (data, status, xhr) {
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el.trigger('ajax:success', [data, status, xhr]);
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},
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complete: function (xhr) {
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el.trigger('ajax:complete', xhr);
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},
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error: function (xhr, status, error) {
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el.trigger('ajax:failure', [xhr, status, error]);
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}
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});
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}
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el.trigger('ajax:after');
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}
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}
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});
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element.fire("ajax:after");
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}
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/**
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* confirmation handler
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*/
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$('a[data-confirm],input[data-confirm]').live('click', function () {
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var el = $(this);
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if (el.triggerAndReturn('confirm')) {
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if (!confirm(el.attr('data-confirm'))) {
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return false;
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}
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}
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});
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$(document.body).observe("click", function(event) {
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var message = event.element().readAttribute('data-confirm');
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if (message && !confirm(message)) {
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event.stop();
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return false;
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}
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var element = event.findElement("a[data-remote=true]");
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if (element) {
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handleRemote(element);
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event.stop();
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}
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/**
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* remote handlers
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*/
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$('form[data-remote]').live('submit', function (e) {
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$(this).callRemote();
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e.preventDefault();
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});
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var element = event.findElement("a[data-method]");
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if (element && element.readAttribute('data-remote') != 'true') {
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var method = element.readAttribute('data-method'),
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piggyback = method.toLowerCase() != 'post',
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formHTML = formTemplate.interpolate({
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method: 'POST',
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realmethod: piggyback ? realmethodTemplate.interpolate({ method: method }) : '',
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action: element.readAttribute('href'),
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token: authToken,
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param: authParam
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$('a[data-remote],input[data-remote]').live('click', function (e) {
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$(this).callRemote();
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e.preventDefault();
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});
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$('a[data-method]:not([data-remote])').live('click', function (e){
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var link = $(this),
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href = link.attr('href'),
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method = link.attr('data-method'),
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form = $('<form method="post" action="'+href+'">'),
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metadata_input = '<input name="_method" value="'+method+'" type="hidden" />';
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if (csrf_param != null && csrf_token != null) {
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metadata_input += '<input name="'+csrf_param+'" value="'+csrf_token+'" type="hidden" />';
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}
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form.hide()
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.append(metadata_input)
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.appendTo('body');
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e.preventDefault();
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form.submit();
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});
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/**
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* disable-with handlers
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*/
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var disable_with_input_selector = 'input[data-disable-with]';
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var disable_with_form_selector = 'form[data-remote]:has(' + disable_with_input_selector + ')';
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$(disable_with_form_selector).live('ajax:before', function () {
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$(this).find(disable_with_input_selector).each(function () {
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var input = $(this);
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input.data('enable-with', input.val())
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.attr('value', input.attr('data-disable-with'))
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.attr('disabled', 'disabled');
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});
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var form = new Element('div').update(formHTML).down().hide();
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this.insert({ bottom: form });
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form.submit();
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event.stop();
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}
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});
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// TODO: I don't think submit bubbles in IE
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$(document.body).observe("submit", function(event) {
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var message = event.element().readAttribute('data-confirm');
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if (message && !confirm(message)) {
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event.stop();
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return false;
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}
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var inputs = event.element().select("input[type=submit][data-disable-with]");
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inputs.each(function(input) {
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input.disabled = true;
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input.writeAttribute('data-original-value', input.value);
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input.value = input.readAttribute('data-disable-with');
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});
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var element = event.findElement("form[data-remote=true]");
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if (element) {
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handleRemote(element);
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event.stop();
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}
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});
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$(document.body).observe("ajax:complete", function(event) {
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var element = event.element();
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if (element.tagName.toLowerCase() == 'form') {
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var inputs = element.select("input[type=submit][disabled=true][data-disable-with]");
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inputs.each(function(input) {
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input.value = input.readAttribute('data-original-value');
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input.writeAttribute('data-original-value', null);
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input.disabled = false;
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});
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}
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});
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$(disable_with_form_selector).live('ajax:after', function () {
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$(this).find(disable_with_input_selector).each(function () {
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var input = $(this);
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input.removeAttr('disabled')
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.val(input.data('enable-with'));
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});
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});
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});
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